diff options
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/cpu.h | 1025 | ||||
-rw-r--r-- | target-ppc/exec.h | 90 | ||||
-rw-r--r-- | target-ppc/helper.c | 1458 | ||||
-rw-r--r-- | target-ppc/op.c | 1296 | ||||
-rw-r--r-- | target-ppc/op_helper.c | 589 | ||||
-rw-r--r-- | target-ppc/op_helper_mem.h | 100 | ||||
-rw-r--r-- | target-ppc/op_mem.h | 371 | ||||
-rw-r--r-- | target-ppc/op_template.h | 183 | ||||
-rw-r--r-- | target-ppc/translate.c | 2701 | ||||
-rw-r--r-- | target-ppc/translate_init.c | 2067 |
10 files changed, 9880 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h new file mode 100644 index 0000000..88d9135 --- /dev/null +++ b/target-ppc/cpu.h @@ -0,0 +1,1025 @@ +/* + * PowerPC emulation cpu definitions for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#if !defined (__CPU_PPC_H__) +#define __CPU_PPC_H__ + +#include "config.h" + +#define TARGET_LONG_BITS 32 + +#include "cpu-defs.h" + +#include <setjmp.h> + +#include "softfloat.h" + +#define TARGET_HAS_ICE 1 + +/* XXX: this should be tunable: PowerPC 601 & 64 bits PowerPC + * have different cache line sizes + */ +#define ICACHE_LINE_SIZE 32 +#define DCACHE_LINE_SIZE 32 + +/* XXX: put this in a common place */ +#define likely(x) __builtin_expect(!!(x), 1) + +/*****************************************************************************/ +/* PVR definitions for most known PowerPC */ +enum { + /* PowerPC 401 cores */ + CPU_PPC_401A1 = 0x00210000, + CPU_PPC_401B2 = 0x00220000, + CPU_PPC_401C2 = 0x00230000, + CPU_PPC_401D2 = 0x00240000, + CPU_PPC_401E2 = 0x00250000, + CPU_PPC_401F2 = 0x00260000, + CPU_PPC_401G2 = 0x00270000, + CPU_PPC_IOP480 = 0x40100000, + /* PowerPC 403 cores */ + CPU_PPC_403GA = 0x00200000, + CPU_PPC_403GB = 0x00200100, + CPU_PPC_403GC = 0x00200200, + CPU_PPC_403GCX = 0x00201400, + /* PowerPC 405 cores */ + CPU_PPC_405 = 0x40110000, + CPU_PPC_405EP = 0x51210000, + CPU_PPC_405GPR = 0x50910000, + CPU_PPC_405D2 = 0x20010000, + CPU_PPC_405D4 = 0x41810000, + CPU_PPC_NPE405H = 0x41410000, + CPU_PPC_NPE405L = 0x41610000, +#if 0 + CPU_PPC_STB02 = xxx, +#endif + CPU_PPC_STB03 = 0x40310000, +#if 0 + CPU_PPC_STB04 = xxx, +#endif + CPU_PPC_STB25 = 0x51510000, +#if 0 + CPU_PPC_STB130 = xxx, +#endif + /* PowerPC 440 cores */ + CPU_PPC_440EP = 0x42220000, + CPU_PPC_440GP = 0x40120400, + CPU_PPC_440GX = 0x51B20000, + /* PowerPC MPC 8xx cores */ + CPU_PPC_8540 = 0x80200000, + CPU_PPC_8xx = 0x00500000, + CPU_PPC_8240 = 0x00810100, + CPU_PPC_8245 = 0x00811014, + /* PowerPC 6xx cores */ + CPU_PPC_601 = 0x00010000, + CPU_PPC_602 = 0x00050000, + CPU_PPC_603 = 0x00030000, + CPU_PPC_603E = 0x00060000, + CPU_PPC_603EV = 0x00070000, + CPU_PPC_603R = 0x00071000, + CPU_PPC_G2 = 0x80810000, + CPU_PPC_G2LE = 0x80820000, + CPU_PPC_604 = 0x00040000, + CPU_PPC_604E = 0x00090000, + CPU_PPC_604R = 0x000a0000, + /* PowerPC 74x/75x cores (aka G3) */ + CPU_PPC_74x = 0x00080000, + CPU_PPC_755 = 0x00083000, + CPU_PPC_74xP = 0x10080000, + CPU_PPC_750CXE22 = 0x00082202, + CPU_PPC_750CXE24 = 0x00082214, + CPU_PPC_750CXE24b = 0x00083214, + CPU_PPC_750CXE31 = 0x00083211, + CPU_PPC_750CXE31b = 0x00083311, +#define CPU_PPC_750CXE CPU_PPC_750CXE31b + CPU_PPC_750FX = 0x70000000, + CPU_PPC_750GX = 0x70020000, + /* PowerPC 74xx cores (aka G4) */ + CPU_PPC_7400 = 0x000C0000, + CPU_PPC_7410 = 0x800C0000, + CPU_PPC_7441 = 0x80000200, + CPU_PPC_7450 = 0x80000000, + CPU_PPC_7451 = 0x80000203, + CPU_PPC_7455 = 0x80010000, + CPU_PPC_7457 = 0x80020000, + CPU_PPC_7457A = 0x80030000, + /* 64 bits PowerPC */ + CPU_PPC_620 = 0x00140000, + CPU_PPC_630 = 0x00400000, + CPU_PPC_631 = 0x00410000, + CPU_PPC_POWER4 = 0x00350000, + CPU_PPC_POWER4P = 0x00380000, + CPU_PPC_POWER5 = 0x003A0000, + CPU_PPC_POWER5P = 0x003B0000, + CPU_PPC_970 = 0x00390000, + CPU_PPC_970FX = 0x003C0000, + CPU_PPC_RS64 = 0x00330000, + CPU_PPC_RS64II = 0x00340000, + CPU_PPC_RS64III = 0x00360000, + CPU_PPC_RS64IV = 0x00370000, + /* Original POWER */ + /* XXX: should be POWER (RIOS), RSC3308, RSC4608, + * POWER2 (RIOS2) & RSC2 (P2SC) here + */ +#if 0 + CPU_POWER = xxx, +#endif +#if 0 + CPU_POWER2 = xxx, +#endif +}; + +/* System version register (used on MPC 8xx) */ +enum { + PPC_SVR_8540 = 0x80300000, + PPC_SVR_8541E = 0x807A0000, + PPC_SVR_8555E = 0x80790000, + PPC_SVR_8560 = 0x80700000, +}; + +/*****************************************************************************/ +/* Instruction types */ +enum { + PPC_NONE = 0x00000000, + /* integer operations instructions */ + /* flow control instructions */ + /* virtual memory instructions */ + /* ld/st with reservation instructions */ + /* cache control instructions */ + /* spr/msr access instructions */ + PPC_INSNS_BASE = 0x00000001, +#define PPC_INTEGER PPC_INSNS_BASE +#define PPC_FLOW PPC_INSNS_BASE +#define PPC_MEM PPC_INSNS_BASE +#define PPC_RES PPC_INSNS_BASE +#define PPC_CACHE PPC_INSNS_BASE +#define PPC_MISC PPC_INSNS_BASE + /* floating point operations instructions */ + PPC_FLOAT = 0x00000002, + /* more floating point operations instructions */ + PPC_FLOAT_EXT = 0x00000004, + /* external control instructions */ + PPC_EXTERN = 0x00000008, + /* segment register access instructions */ + PPC_SEGMENT = 0x00000010, + /* Optional cache control instructions */ + PPC_CACHE_OPT = 0x00000020, + /* Optional floating point op instructions */ + PPC_FLOAT_OPT = 0x00000040, + /* Optional memory control instructions */ + PPC_MEM_TLBIA = 0x00000080, + PPC_MEM_TLBIE = 0x00000100, + PPC_MEM_TLBSYNC = 0x00000200, + /* eieio & sync */ + PPC_MEM_SYNC = 0x00000400, + /* PowerPC 6xx TLB management instructions */ + PPC_6xx_TLB = 0x00000800, + /* Altivec support */ + PPC_ALTIVEC = 0x00001000, + /* Time base support */ + PPC_TB = 0x00002000, + /* Embedded PowerPC dedicated instructions */ + PPC_4xx_COMMON = 0x00004000, + /* PowerPC 40x exception model */ + PPC_40x_EXCP = 0x00008000, + /* PowerPC 40x specific instructions */ + PPC_40x_SPEC = 0x00010000, + /* PowerPC 405 Mac instructions */ + PPC_405_MAC = 0x00020000, + /* PowerPC 440 specific instructions */ + PPC_440_SPEC = 0x00040000, + /* Specific extensions */ + /* Power-to-PowerPC bridge (601) */ + PPC_POWER_BR = 0x00080000, + /* PowerPC 602 specific */ + PPC_602_SPEC = 0x00100000, + /* Deprecated instructions */ + /* Original POWER instruction set */ + PPC_POWER = 0x00200000, + /* POWER2 instruction set extension */ + PPC_POWER2 = 0x00400000, + /* Power RTC support */ + PPC_POWER_RTC = 0x00800000, + /* 64 bits PowerPC instructions */ + /* 64 bits PowerPC instruction set */ + PPC_64B = 0x01000000, + /* 64 bits hypervisor extensions */ + PPC_64H = 0x02000000, + /* 64 bits PowerPC "bridge" features */ + PPC_64_BRIDGE = 0x04000000, +}; + +/* CPU run-time flags (MMU and exception model) */ +enum { + /* MMU model */ +#define PPC_FLAGS_MMU_MASK (0x0000000F) + /* Standard 32 bits PowerPC MMU */ + PPC_FLAGS_MMU_32B = 0x00000000, + /* Standard 64 bits PowerPC MMU */ + PPC_FLAGS_MMU_64B = 0x00000001, + /* PowerPC 601 MMU */ + PPC_FLAGS_MMU_601 = 0x00000002, + /* PowerPC 6xx MMU with software TLB */ + PPC_FLAGS_MMU_SOFT_6xx = 0x00000003, + /* PowerPC 4xx MMU with software TLB */ + PPC_FLAGS_MMU_SOFT_4xx = 0x00000004, + /* PowerPC 403 MMU */ + PPC_FLAGS_MMU_403 = 0x00000005, + /* Exception model */ +#define PPC_FLAGS_EXCP_MASK (0x000000F0) + /* Standard PowerPC exception model */ + PPC_FLAGS_EXCP_STD = 0x00000000, + /* PowerPC 40x exception model */ + PPC_FLAGS_EXCP_40x = 0x00000010, + /* PowerPC 601 exception model */ + PPC_FLAGS_EXCP_601 = 0x00000020, + /* PowerPC 602 exception model */ + PPC_FLAGS_EXCP_602 = 0x00000030, + /* PowerPC 603 exception model */ + PPC_FLAGS_EXCP_603 = 0x00000040, + /* PowerPC 604 exception model */ + PPC_FLAGS_EXCP_604 = 0x00000050, + /* PowerPC 7x0 exception model */ + PPC_FLAGS_EXCP_7x0 = 0x00000060, + /* PowerPC 7x5 exception model */ + PPC_FLAGS_EXCP_7x5 = 0x00000070, + /* PowerPC 74xx exception model */ + PPC_FLAGS_EXCP_74xx = 0x00000080, + /* PowerPC 970 exception model */ + PPC_FLAGS_EXCP_970 = 0x00000090, +}; + +#define PPC_MMU(env) (env->flags & PPC_FLAGS_MMU_MASK) +#define PPC_EXCP(env) (env->flags & PPC_FLAGS_EXCP_MASK) + +/*****************************************************************************/ +/* Supported instruction set definitions */ +/* This generates an empty opcode table... */ +#define PPC_INSNS_TODO (PPC_NONE) +#define PPC_FLAGS_TODO (0x00000000) + +/* PowerPC 40x instruction set */ +#define PPC_INSNS_4xx (PPC_INSNS_BASE | PPC_MEM_TLBSYNC | PPC_4xx_COMMON) +/* PowerPC 401 */ +#define PPC_INSNS_401 (PPC_INSNS_TODO) +#define PPC_FLAGS_401 (PPC_FLAGS_TODO) +/* PowerPC 403 */ +#define PPC_INSNS_403 (PPC_INSNS_4xx | PPC_MEM_SYNC | PPC_MEM_TLBIA | \ + PPC_40x_EXCP | PPC_40x_SPEC) +#define PPC_FLAGS_403 (PPC_FLAGS_MMU_403 | PPC_FLAGS_EXCP_40x) +/* PowerPC 405 */ +#define PPC_INSNS_405 (PPC_INSNS_4xx | PPC_MEM_SYNC | PPC_CACHE_OPT | \ + PPC_MEM_TLBIA | PPC_TB | PPC_40x_SPEC | PPC_40x_EXCP | \ + PPC_405_MAC) +#define PPC_FLAGS_405 (PPC_FLAGS_MMU_SOFT_4xx | PPC_FLAGS_EXCP_40x) +/* PowerPC 440 */ +#define PPC_INSNS_440 (PPC_INSNS_4xx | PPC_CACHE_OPT | PPC_405_MAC | \ + PPC_440_SPEC) +#define PPC_FLAGS_440 (PPC_FLAGS_TODO) +/* Non-embedded PowerPC */ +#define PPC_INSNS_COMMON (PPC_INSNS_BASE | PPC_FLOAT | PPC_MEM_SYNC | \ + PPC_SEGMENT | PPC_MEM_TLBIE) +/* PowerPC 601 */ +#define PPC_INSNS_601 (PPC_INSNS_COMMON | PPC_EXTERN | PPC_POWER_BR) +#define PPC_FLAGS_601 (PPC_FLAGS_MMU_601 | PPC_FLAGS_EXCP_601) +/* PowerPC 602 */ +#define PPC_INSNS_602 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ + PPC_MEM_TLBSYNC | PPC_TB) +#define PPC_FLAGS_602 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_602) +/* PowerPC 603 */ +#define PPC_INSNS_603 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ + PPC_MEM_TLBSYNC | PPC_EXTERN | PPC_TB) +#define PPC_FLAGS_603 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_603) +/* PowerPC G2 */ +#define PPC_INSNS_G2 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ + PPC_MEM_TLBSYNC | PPC_EXTERN | PPC_TB) +#define PPC_FLAGS_G2 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_603) +/* PowerPC 604 */ +#define PPC_INSNS_604 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ + PPC_MEM_TLBSYNC | PPC_TB) +#define PPC_FLAGS_604 (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_604) +/* PowerPC 740/750 (aka G3) */ +#define PPC_INSNS_7x0 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ + PPC_MEM_TLBSYNC | PPC_TB) +#define PPC_FLAGS_7x0 (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_7x0) +/* PowerPC 745/755 */ +#define PPC_INSNS_7x5 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ + PPC_MEM_TLBSYNC | PPC_TB | PPC_6xx_TLB) +#define PPC_FLAGS_7x5 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_7x5) +/* PowerPC 74xx (aka G4) */ +#define PPC_INSNS_74xx (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_ALTIVEC | \ + PPC_MEM_TLBSYNC | PPC_TB) +#define PPC_FLAGS_74xx (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_74xx) + +/* Default PowerPC will be 604/970 */ +#define PPC_INSNS_PPC32 PPC_INSNS_604 +#define PPC_FLAGS_PPC32 PPC_FLAGS_604 +#if 0 +#define PPC_INSNS_PPC64 PPC_INSNS_970 +#define PPC_FLAGS_PPC64 PPC_FLAGS_970 +#endif +#define PPC_INSNS_DEFAULT PPC_INSNS_604 +#define PPC_FLAGS_DEFAULT PPC_FLAGS_604 +typedef struct ppc_def_t ppc_def_t; + +/*****************************************************************************/ +/* Types used to describe some PowerPC registers */ +typedef struct CPUPPCState CPUPPCState; +typedef struct opc_handler_t opc_handler_t; +typedef struct ppc_tb_t ppc_tb_t; +typedef struct ppc_spr_t ppc_spr_t; +typedef struct ppc_dcr_t ppc_dcr_t; +typedef struct ppc_avr_t ppc_avr_t; + +/* SPR access micro-ops generations callbacks */ +struct ppc_spr_t { + void (*uea_read)(void *opaque, int spr_num); + void (*uea_write)(void *opaque, int spr_num); + void (*oea_read)(void *opaque, int spr_num); + void (*oea_write)(void *opaque, int spr_num); + const unsigned char *name; +}; + +/* Altivec registers (128 bits) */ +struct ppc_avr_t { + uint32_t u[4]; +}; + +/* Software TLB cache */ +typedef struct ppc_tlb_t ppc_tlb_t; +struct ppc_tlb_t { + /* Physical page number */ + target_phys_addr_t RPN; + /* Virtual page number */ + target_ulong VPN; + /* Page size */ + target_ulong size; + /* Protection bits */ + int prot; + int is_user; + uint32_t private; + uint32_t flags; +}; + +/*****************************************************************************/ +/* Machine state register bits definition */ +#define MSR_SF 63 /* Sixty-four-bit mode */ +#define MSR_ISF 61 /* Sixty-four-bit interrupt mode on 630 */ +#define MSR_HV 60 /* hypervisor state */ +#define MSR_VR 25 /* altivec available */ +#define MSR_AP 23 /* Access privilege state on 602 */ +#define MSR_SA 22 /* Supervisor access mode on 602 */ +#define MSR_KEY 19 /* key bit on 603e */ +#define MSR_POW 18 /* Power management */ +#define MSR_WE 18 /* Wait state enable on embedded PowerPC */ +#define MSR_TGPR 17 /* TGPR usage on 602/603 */ +#define MSR_TLB 17 /* TLB on ? */ +#define MSR_CE 17 /* Critical interrupt enable on embedded PowerPC */ +#define MSR_ILE 16 /* Interrupt little-endian mode */ +#define MSR_EE 15 /* External interrupt enable */ +#define MSR_PR 14 /* Problem state */ +#define MSR_FP 13 /* Floating point available */ +#define MSR_ME 12 /* Machine check interrupt enable */ +#define MSR_FE0 11 /* Floating point exception mode 0 */ +#define MSR_SE 10 /* Single-step trace enable */ +#define MSR_DWE 10 /* Debug wait enable on 405 */ +#define MSR_BE 9 /* Branch trace enable */ +#define MSR_DE 9 /* Debug interrupts enable on embedded PowerPC */ +#define MSR_FE1 8 /* Floating point exception mode 1 */ +#define MSR_AL 7 /* AL bit on POWER */ +#define MSR_IP 6 /* Interrupt prefix */ +#define MSR_IR 5 /* Instruction relocate */ +#define MSR_IS 5 /* Instruction address space on embedded PowerPC */ +#define MSR_DR 4 /* Data relocate */ +#define MSR_DS 4 /* Data address space on embedded PowerPC */ +#define MSR_PE 3 /* Protection enable on 403 */ +#define MSR_EP 3 /* Exception prefix on 601 */ +#define MSR_PX 2 /* Protection exclusive on 403 */ +#define MSR_PMM 2 /* Performance monitor mark on POWER */ +#define MSR_RI 1 /* Recoverable interrupt */ +#define MSR_LE 0 /* Little-endian mode */ +#define msr_sf env->msr[MSR_SF] +#define msr_isf env->msr[MSR_ISF] +#define msr_hv env->msr[MSR_HV] +#define msr_vr env->msr[MSR_VR] +#define msr_ap env->msr[MSR_AP] +#define msr_sa env->msr[MSR_SA] +#define msr_key env->msr[MSR_KEY] +#define msr_pow env->msr[MSR_POW] +#define msr_we env->msr[MSR_WE] +#define msr_tgpr env->msr[MSR_TGPR] +#define msr_tlb env->msr[MSR_TLB] +#define msr_ce env->msr[MSR_CE] +#define msr_ile env->msr[MSR_ILE] +#define msr_ee env->msr[MSR_EE] +#define msr_pr env->msr[MSR_PR] +#define msr_fp env->msr[MSR_FP] +#define msr_me env->msr[MSR_ME] +#define msr_fe0 env->msr[MSR_FE0] +#define msr_se env->msr[MSR_SE] +#define msr_dwe env->msr[MSR_DWE] +#define msr_be env->msr[MSR_BE] +#define msr_de env->msr[MSR_DE] +#define msr_fe1 env->msr[MSR_FE1] +#define msr_al env->msr[MSR_AL] +#define msr_ip env->msr[MSR_IP] +#define msr_ir env->msr[MSR_IR] +#define msr_is env->msr[MSR_IS] +#define msr_dr env->msr[MSR_DR] +#define msr_ds env->msr[MSR_DS] +#define msr_pe env->msr[MSR_PE] +#define msr_ep env->msr[MSR_EP] +#define msr_px env->msr[MSR_PX] +#define msr_pmm env->msr[MSR_PMM] +#define msr_ri env->msr[MSR_RI] +#define msr_le env->msr[MSR_LE] + +/*****************************************************************************/ +/* The whole PowerPC CPU context */ +struct CPUPPCState { + /* First are the most commonly used resources + * during translated code execution + */ +#if TARGET_LONG_BITS > HOST_LONG_BITS + /* temporary fixed-point registers + * used to emulate 64 bits target on 32 bits hosts + */ + target_ulong t0, t1, t2; +#endif + /* general purpose registers */ + target_ulong gpr[32]; + /* LR */ + target_ulong lr; + /* CTR */ + target_ulong ctr; + /* condition register */ + uint8_t crf[8]; + /* XER */ + /* XXX: We use only 5 fields, but we want to keep the structure aligned */ + uint8_t xer[8]; + /* Reservation address */ + target_ulong reserve; + + /* Those ones are used in supervisor mode only */ + /* machine state register */ + uint8_t msr[64]; + /* temporary general purpose registers */ + target_ulong tgpr[4]; /* Used to speed-up TLB assist handlers */ + + /* Floating point execution context */ + /* temporary float registers */ + float64 ft0; + float64 ft1; + float64 ft2; + float_status fp_status; + /* floating point registers */ + float64 fpr[32]; + /* floating point status and control register */ + uint8_t fpscr[8]; + + CPU_COMMON + + int halted; /* TRUE if the CPU is in suspend state */ + + int access_type; /* when a memory exception occurs, the access + type is stored here */ + + /* MMU context */ + /* Address space register */ + target_ulong asr; + /* segment registers */ + target_ulong sdr1; + target_ulong sr[16]; + /* BATs */ + int nb_BATs; + target_ulong DBAT[2][8]; + target_ulong IBAT[2][8]; + + /* Other registers */ + /* Special purpose registers */ + target_ulong spr[1024]; + /* Altivec registers */ + ppc_avr_t avr[32]; + uint32_t vscr; + + /* Internal devices resources */ + /* Time base and decrementer */ + ppc_tb_t *tb_env; + /* Device control registers */ + int (*dcr_read)(ppc_dcr_t *dcr_env, int dcr_num, target_ulong *val); + int (*dcr_write)(ppc_dcr_t *dcr_env, int dcr_num, target_ulong val); + ppc_dcr_t *dcr_env; + + /* PowerPC TLB registers (for 4xx and 60x software driven TLBs) */ + int nb_tlb; + int nb_ways, last_way; + ppc_tlb_t tlb[128]; + /* Callbacks for specific checks on some implementations */ + int (*tlb_check_more)(CPUPPCState *env, struct ppc_tlb_t *tlb, int *prot, + target_ulong vaddr, int rw, int acc_type, + int is_user); + /* 403 dedicated access protection registers */ + target_ulong pb[4]; + + /* Those resources are used during exception processing */ + /* CPU model definition */ + uint64_t msr_mask; + uint32_t flags; + + int exception_index; + int error_code; + int interrupt_request; + + /* Those resources are used only during code translation */ + /* Next instruction pointer */ + target_ulong nip; + /* SPR translation callbacks */ + ppc_spr_t spr_cb[1024]; + /* opcode handlers */ + opc_handler_t *opcodes[0x40]; + + /* Those resources are used only in Qemu core */ + jmp_buf jmp_env; + int user_mode_only; /* user mode only simulation */ + uint32_t hflags; + + /* Power management */ + int power_mode; + + /* temporary hack to handle OSI calls (only used if non NULL) */ + int (*osi_call)(struct CPUPPCState *env); +}; + +/*****************************************************************************/ +CPUPPCState *cpu_ppc_init(void); +int cpu_ppc_exec(CPUPPCState *s); +void cpu_ppc_close(CPUPPCState *s); +/* you can call this signal handler from your SIGBUS and SIGSEGV + signal handlers to inform the virtual CPU of exceptions. non zero + is returned if the signal was handled by the virtual CPU. */ +struct siginfo; +int cpu_ppc_signal_handler(int host_signum, struct siginfo *info, + void *puc); + +void do_interrupt (CPUPPCState *env); +void cpu_loop_exit(void); + +void dump_stack (CPUPPCState *env); + +target_ulong do_load_ibatu (CPUPPCState *env, int nr); +target_ulong do_load_ibatl (CPUPPCState *env, int nr); +void do_store_ibatu (CPUPPCState *env, int nr, target_ulong value); +void do_store_ibatl (CPUPPCState *env, int nr, target_ulong value); +target_ulong do_load_dbatu (CPUPPCState *env, int nr); +target_ulong do_load_dbatl (CPUPPCState *env, int nr); +void do_store_dbatu (CPUPPCState *env, int nr, target_ulong value); +void do_store_dbatl (CPUPPCState *env, int nr, target_ulong value); + +target_ulong do_load_nip (CPUPPCState *env); +void do_store_nip (CPUPPCState *env, target_ulong value); +target_ulong do_load_sdr1 (CPUPPCState *env); +void do_store_sdr1 (CPUPPCState *env, target_ulong value); +target_ulong do_load_asr (CPUPPCState *env); +void do_store_asr (CPUPPCState *env, target_ulong value); +target_ulong do_load_sr (CPUPPCState *env, int srnum); +void do_store_sr (CPUPPCState *env, int srnum, target_ulong value); +uint32_t do_load_cr (CPUPPCState *env); +void do_store_cr (CPUPPCState *env, uint32_t value, uint32_t mask); +uint32_t do_load_xer (CPUPPCState *env); +void do_store_xer (CPUPPCState *env, uint32_t value); +target_ulong do_load_msr (CPUPPCState *env); +void do_store_msr (CPUPPCState *env, target_ulong value); +float64 do_load_fpscr (CPUPPCState *env); +void do_store_fpscr (CPUPPCState *env, float64 f, uint32_t mask); + +void do_compute_hflags (CPUPPCState *env); + +int ppc_find_by_name (const unsigned char *name, ppc_def_t **def); +int ppc_find_by_pvr (uint32_t apvr, ppc_def_t **def); +void ppc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); +int cpu_ppc_register (CPUPPCState *env, ppc_def_t *def); + +/* Time-base and decrementer management */ +#ifndef NO_CPU_IO_DEFS +uint32_t cpu_ppc_load_tbl (CPUPPCState *env); +uint32_t cpu_ppc_load_tbu (CPUPPCState *env); +void cpu_ppc_store_tbu (CPUPPCState *env, uint32_t value); +void cpu_ppc_store_tbl (CPUPPCState *env, uint32_t value); +uint32_t cpu_ppc_load_decr (CPUPPCState *env); +void cpu_ppc_store_decr (CPUPPCState *env, uint32_t value); +#endif + +#define TARGET_PAGE_BITS 12 +#include "cpu-all.h" + +/*****************************************************************************/ +/* Registers definitions */ +#define ugpr(n) (env->gpr[n]) + +#define XER_SO 31 +#define XER_OV 30 +#define XER_CA 29 +#define XER_CMP 8 +#define XER_BC 0 +#define xer_so env->xer[4] +#define xer_ov env->xer[6] +#define xer_ca env->xer[2] +#define xer_cmp env->xer[1] +#define xer_bc env->xer[0] + +/* SPR definitions */ +#define SPR_MQ (0x000) +#define SPR_XER (0x001) +#define SPR_601_VRTCU (0x004) +#define SPR_601_VRTCL (0x005) +#define SPR_601_UDECR (0x006) +#define SPR_LR (0x008) +#define SPR_CTR (0x009) +#define SPR_DSISR (0x012) +#define SPR_DAR (0x013) +#define SPR_601_RTCU (0x014) +#define SPR_601_RTCL (0x015) +#define SPR_DECR (0x016) +#define SPR_SDR1 (0x019) +#define SPR_SRR0 (0x01A) +#define SPR_SRR1 (0x01B) +#define SPR_440_PID (0x030) +#define SPR_440_DECAR (0x036) +#define SPR_CSRR0 (0x03A) +#define SPR_CSRR1 (0x03B) +#define SPR_440_DEAR (0x03D) +#define SPR_440_ESR (0x03E) +#define SPR_440_IVPR (0x03F) +#define SPR_8xx_EIE (0x050) +#define SPR_8xx_EID (0x051) +#define SPR_8xx_NRE (0x052) +#define SPR_58x_CMPA (0x090) +#define SPR_58x_CMPB (0x091) +#define SPR_58x_CMPC (0x092) +#define SPR_58x_CMPD (0x093) +#define SPR_58x_ICR (0x094) +#define SPR_58x_DER (0x094) +#define SPR_58x_COUNTA (0x096) +#define SPR_58x_COUNTB (0x097) +#define SPR_58x_CMPE (0x098) +#define SPR_58x_CMPF (0x099) +#define SPR_58x_CMPG (0x09A) +#define SPR_58x_CMPH (0x09B) +#define SPR_58x_LCTRL1 (0x09C) +#define SPR_58x_LCTRL2 (0x09D) +#define SPR_58x_ICTRL (0x09E) +#define SPR_58x_BAR (0x09F) +#define SPR_VRSAVE (0x100) +#define SPR_USPRG0 (0x100) +#define SPR_USPRG4 (0x104) +#define SPR_USPRG5 (0x105) +#define SPR_USPRG6 (0x106) +#define SPR_USPRG7 (0x107) +#define SPR_VTBL (0x10C) +#define SPR_VTBU (0x10D) +#define SPR_SPRG0 (0x110) +#define SPR_SPRG1 (0x111) +#define SPR_SPRG2 (0x112) +#define SPR_SPRG3 (0x113) +#define SPR_SPRG4 (0x114) +#define SPR_SCOMC (0x114) +#define SPR_SPRG5 (0x115) +#define SPR_SCOMD (0x115) +#define SPR_SPRG6 (0x116) +#define SPR_SPRG7 (0x117) +#define SPR_ASR (0x118) +#define SPR_EAR (0x11A) +#define SPR_TBL (0x11C) +#define SPR_TBU (0x11D) +#define SPR_SVR (0x11E) +#define SPR_440_PIR (0x11E) +#define SPR_PVR (0x11F) +#define SPR_HSPRG0 (0x130) +#define SPR_440_DBSR (0x130) +#define SPR_HSPRG1 (0x131) +#define SPR_440_DBCR0 (0x134) +#define SPR_IBCR (0x135) +#define SPR_440_DBCR1 (0x135) +#define SPR_DBCR (0x136) +#define SPR_HDEC (0x136) +#define SPR_440_DBCR2 (0x136) +#define SPR_HIOR (0x137) +#define SPR_MBAR (0x137) +#define SPR_RMOR (0x138) +#define SPR_440_IAC1 (0x138) +#define SPR_HRMOR (0x139) +#define SPR_440_IAC2 (0x139) +#define SPR_HSSR0 (0x13A) +#define SPR_440_IAC3 (0x13A) +#define SPR_HSSR1 (0x13B) +#define SPR_440_IAC4 (0x13B) +#define SPR_LPCR (0x13C) +#define SPR_440_DAC1 (0x13C) +#define SPR_LPIDR (0x13D) +#define SPR_DABR2 (0x13D) +#define SPR_440_DAC2 (0x13D) +#define SPR_440_DVC1 (0x13E) +#define SPR_440_DVC2 (0x13F) +#define SPR_440_TSR (0x150) +#define SPR_440_TCR (0x154) +#define SPR_440_IVOR0 (0x190) +#define SPR_440_IVOR1 (0x191) +#define SPR_440_IVOR2 (0x192) +#define SPR_440_IVOR3 (0x193) +#define SPR_440_IVOR4 (0x194) +#define SPR_440_IVOR5 (0x195) +#define SPR_440_IVOR6 (0x196) +#define SPR_440_IVOR7 (0x197) +#define SPR_440_IVOR8 (0x198) +#define SPR_440_IVOR9 (0x199) +#define SPR_440_IVOR10 (0x19A) +#define SPR_440_IVOR11 (0x19B) +#define SPR_440_IVOR12 (0x19C) +#define SPR_440_IVOR13 (0x19D) +#define SPR_440_IVOR14 (0x19E) +#define SPR_440_IVOR15 (0x19F) +#define SPR_IBAT0U (0x210) +#define SPR_IBAT0L (0x211) +#define SPR_IBAT1U (0x212) +#define SPR_IBAT1L (0x213) +#define SPR_IBAT2U (0x214) +#define SPR_IBAT2L (0x215) +#define SPR_IBAT3U (0x216) +#define SPR_IBAT3L (0x217) +#define SPR_DBAT0U (0x218) +#define SPR_DBAT0L (0x219) +#define SPR_DBAT1U (0x21A) +#define SPR_DBAT1L (0x21B) +#define SPR_DBAT2U (0x21C) +#define SPR_DBAT2L (0x21D) +#define SPR_DBAT3U (0x21E) +#define SPR_DBAT3L (0x21F) +#define SPR_IBAT4U (0x230) +#define SPR_IBAT4L (0x231) +#define SPR_IBAT5U (0x232) +#define SPR_IBAT5L (0x233) +#define SPR_IBAT6U (0x234) +#define SPR_IBAT6L (0x235) +#define SPR_IBAT7U (0x236) +#define SPR_IBAT7L (0x237) +#define SPR_DBAT4U (0x238) +#define SPR_DBAT4L (0x239) +#define SPR_DBAT5U (0x23A) +#define SPR_DBAT5L (0x23B) +#define SPR_DBAT6U (0x23C) +#define SPR_DBAT6L (0x23D) +#define SPR_DBAT7U (0x23E) +#define SPR_DBAT7L (0x23F) +#define SPR_440_INV0 (0x370) +#define SPR_440_INV1 (0x371) +#define SPR_440_INV2 (0x372) +#define SPR_440_INV3 (0x373) +#define SPR_440_IVT0 (0x374) +#define SPR_440_IVT1 (0x375) +#define SPR_440_IVT2 (0x376) +#define SPR_440_IVT3 (0x377) +#define SPR_440_DNV0 (0x390) +#define SPR_440_DNV1 (0x391) +#define SPR_440_DNV2 (0x392) +#define SPR_440_DNV3 (0x393) +#define SPR_440_DVT0 (0x394) +#define SPR_440_DVT1 (0x395) +#define SPR_440_DVT2 (0x396) +#define SPR_440_DVT3 (0x397) +#define SPR_440_DVLIM (0x398) +#define SPR_440_IVLIM (0x399) +#define SPR_440_RSTCFG (0x39B) +#define SPR_440_DCBTRL (0x39C) +#define SPR_440_DCBTRH (0x39D) +#define SPR_440_ICBTRL (0x39E) +#define SPR_440_ICBTRH (0x39F) +#define SPR_UMMCR0 (0x3A8) +#define SPR_UPMC1 (0x3A9) +#define SPR_UPMC2 (0x3AA) +#define SPR_USIA (0x3AB) +#define SPR_UMMCR1 (0x3AC) +#define SPR_UPMC3 (0x3AD) +#define SPR_UPMC4 (0x3AE) +#define SPR_USDA (0x3AF) +#define SPR_40x_ZPR (0x3B0) +#define SPR_40x_PID (0x3B1) +#define SPR_440_MMUCR (0x3B2) +#define SPR_4xx_CCR0 (0x3B3) +#define SPR_405_IAC3 (0x3B4) +#define SPR_405_IAC4 (0x3B5) +#define SPR_405_DVC1 (0x3B6) +#define SPR_405_DVC2 (0x3B7) +#define SPR_MMCR0 (0x3B8) +#define SPR_PMC1 (0x3B9) +#define SPR_40x_SGR (0x3B9) +#define SPR_PMC2 (0x3BA) +#define SPR_40x_DCWR (0x3BA) +#define SPR_SIA (0x3BB) +#define SPR_405_SLER (0x3BB) +#define SPR_MMCR1 (0x3BC) +#define SPR_405_SU0R (0x3BC) +#define SPR_PMC3 (0x3BD) +#define SPR_405_DBCR1 (0x3BD) +#define SPR_PMC4 (0x3BE) +#define SPR_SDA (0x3BF) +#define SPR_403_VTBL (0x3CC) +#define SPR_403_VTBU (0x3CD) +#define SPR_DMISS (0x3D0) +#define SPR_DCMP (0x3D1) +#define SPR_DHASH1 (0x3D2) +#define SPR_DHASH2 (0x3D3) +#define SPR_4xx_ICDBDR (0x3D3) +#define SPR_IMISS (0x3D4) +#define SPR_40x_ESR (0x3D4) +#define SPR_ICMP (0x3D5) +#define SPR_40x_DEAR (0x3D5) +#define SPR_RPA (0x3D6) +#define SPR_40x_EVPR (0x3D6) +#define SPR_403_CDBCR (0x3D7) +#define SPR_TCR (0x3D8) +#define SPR_40x_TSR (0x3D8) +#define SPR_IBR (0x3DA) +#define SPR_40x_TCR (0x3DA) +#define SPR_ESASR (0x3DB) +#define SPR_40x_PIT (0x3DB) +#define SPR_403_TBL (0x3DC) +#define SPR_403_TBU (0x3DD) +#define SPR_SEBR (0x3DE) +#define SPR_40x_SRR2 (0x3DE) +#define SPR_SER (0x3DF) +#define SPR_40x_SRR3 (0x3DF) +#define SPR_HID0 (0x3F0) +#define SPR_40x_DBSR (0x3F0) +#define SPR_HID1 (0x3F1) +#define SPR_IABR (0x3F2) +#define SPR_40x_DBCR0 (0x3F2) +#define SPR_601_HID2 (0x3F2) +#define SPR_HID2 (0x3F3) +#define SPR_440_DBDR (0x3F3) +#define SPR_40x_IAC1 (0x3F4) +#define SPR_DABR (0x3F5) +#define DABR_MASK (~(target_ulong)0x7) +#define SPR_40x_IAC2 (0x3F5) +#define SPR_601_HID5 (0x3F5) +#define SPR_40x_DAC1 (0x3F6) +#define SPR_40x_DAC2 (0x3F7) +#define SPR_L2PM (0x3F8) +#define SPR_750_HID2 (0x3F8) +#define SPR_L2CR (0x3F9) +#define SPR_IABR2 (0x3FA) +#define SPR_40x_DCCR (0x3FA) +#define SPR_ICTC (0x3FB) +#define SPR_40x_ICCR (0x3FB) +#define SPR_THRM1 (0x3FC) +#define SPR_403_PBL1 (0x3FC) +#define SPR_SP (0x3FD) +#define SPR_THRM2 (0x3FD) +#define SPR_403_PBU1 (0x3FD) +#define SPR_LT (0x3FE) +#define SPR_THRM3 (0x3FE) +#define SPR_FPECR (0x3FE) +#define SPR_403_PBL2 (0x3FE) +#define SPR_PIR (0x3FF) +#define SPR_403_PBU2 (0x3FF) +#define SPR_601_HID15 (0x3FF) + +/* Memory access type : + * may be needed for precise access rights control and precise exceptions. + */ +enum { + /* 1 bit to define user level / supervisor access */ + ACCESS_USER = 0x00, + ACCESS_SUPER = 0x01, + /* Type of instruction that generated the access */ + ACCESS_CODE = 0x10, /* Code fetch access */ + ACCESS_INT = 0x20, /* Integer load/store access */ + ACCESS_FLOAT = 0x30, /* floating point load/store access */ + ACCESS_RES = 0x40, /* load/store with reservation */ + ACCESS_EXT = 0x50, /* external access */ + ACCESS_CACHE = 0x60, /* Cache manipulation */ +}; + +/*****************************************************************************/ +/* Exceptions */ +#define EXCP_NONE -1 +/* PowerPC hardware exceptions : exception vectors defined in PowerPC book 3 */ +#define EXCP_RESET 0x0100 /* System reset */ +#define EXCP_MACHINE_CHECK 0x0200 /* Machine check exception */ +#define EXCP_DSI 0x0300 /* Data storage exception */ +#define EXCP_DSEG 0x0380 /* Data segment exception */ +#define EXCP_ISI 0x0400 /* Instruction storage exception */ +#define EXCP_ISEG 0x0480 /* Instruction segment exception */ +#define EXCP_EXTERNAL 0x0500 /* External interruption */ +#define EXCP_ALIGN 0x0600 /* Alignment exception */ +#define EXCP_PROGRAM 0x0700 /* Program exception */ +#define EXCP_NO_FP 0x0800 /* Floating point unavailable exception */ +#define EXCP_DECR 0x0900 /* Decrementer exception */ +#define EXCP_HDECR 0x0980 /* Hypervisor decrementer exception */ +#define EXCP_SYSCALL 0x0C00 /* System call */ +#define EXCP_TRACE 0x0D00 /* Trace exception */ +#define EXCP_PERF 0x0F00 /* Performance monitor exception */ +/* Exceptions defined in PowerPC 32 bits programming environment manual */ +#define EXCP_FP_ASSIST 0x0E00 /* Floating-point assist */ +/* Implementation specific exceptions */ +/* 40x exceptions */ +#define EXCP_40x_PIT 0x1000 /* Programmable interval timer interrupt */ +#define EXCP_40x_FIT 0x1010 /* Fixed interval timer interrupt */ +#define EXCP_40x_WATCHDOG 0x1020 /* Watchdog timer exception */ +#define EXCP_40x_DTLBMISS 0x1100 /* Data TLB miss exception */ +#define EXCP_40x_ITLBMISS 0x1200 /* Instruction TLB miss exception */ +#define EXCP_40x_DEBUG 0x2000 /* Debug exception */ +/* 405 specific exceptions */ +#define EXCP_405_APU 0x0F20 /* APU unavailable exception */ +/* TLB assist exceptions (602/603) */ +#define EXCP_I_TLBMISS 0x1000 /* Instruction TLB miss */ +#define EXCP_DL_TLBMISS 0x1100 /* Data load TLB miss */ +#define EXCP_DS_TLBMISS 0x1200 /* Data store TLB miss */ +/* Breakpoint exceptions (602/603/604/620/740/745/750/755...) */ +#define EXCP_IABR 0x1300 /* Instruction address breakpoint */ +#define EXCP_SMI 0x1400 /* System management interrupt */ +/* Altivec related exceptions */ +#define EXCP_VPU 0x0F20 /* VPU unavailable exception */ +/* 601 specific exceptions */ +#define EXCP_601_IO 0x0600 /* IO error exception */ +#define EXCP_601_RUNM 0x2000 /* Run mode exception */ +/* 602 specific exceptions */ +#define EXCP_602_WATCHDOG 0x1500 /* Watchdog exception */ +#define EXCP_602_EMUL 0x1600 /* Emulation trap exception */ +/* G2 specific exceptions */ +#define EXCP_G2_CRIT 0x0A00 /* Critical interrupt */ +/* MPC740/745/750 & IBM 750 specific exceptions */ +#define EXCP_THRM 0x1700 /* Thermal management interrupt */ +/* 74xx specific exceptions */ +#define EXCP_74xx_VPUA 0x1600 /* VPU assist exception */ +/* 970FX specific exceptions */ +#define EXCP_970_SOFTP 0x1500 /* Soft patch exception */ +#define EXCP_970_MAINT 0x1600 /* Maintenance exception */ +#define EXCP_970_THRM 0x1800 /* Thermal exception */ +#define EXCP_970_VPUA 0x1700 /* VPU assist exception */ +/* End of exception vectors area */ +#define EXCP_PPC_MAX 0x4000 +/* Qemu exceptions: special cases we want to stop translation */ +#define EXCP_MTMSR 0x11000 /* mtmsr instruction: */ + /* may change privilege level */ +#define EXCP_BRANCH 0x11001 /* branch instruction */ +#define EXCP_SYSCALL_USER 0x12000 /* System call in user mode only */ +#define EXCP_INTERRUPT_CRITICAL 0x13000 /* critical IRQ */ + +/* Error codes */ +enum { + /* Exception subtypes for EXCP_ALIGN */ + EXCP_ALIGN_FP = 0x01, /* FP alignment exception */ + EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */ + EXCP_ALIGN_LE = 0x03, /* Multiple little-endian access */ + EXCP_ALIGN_PROT = 0x04, /* Access cross protection boundary */ + EXCP_ALIGN_BAT = 0x05, /* Access cross a BAT/seg boundary */ + EXCP_ALIGN_CACHE = 0x06, /* Impossible dcbz access */ + /* Exception subtypes for EXCP_PROGRAM */ + /* FP exceptions */ + EXCP_FP = 0x10, + EXCP_FP_OX = 0x01, /* FP overflow */ + EXCP_FP_UX = 0x02, /* FP underflow */ + EXCP_FP_ZX = 0x03, /* FP divide by zero */ + EXCP_FP_XX = 0x04, /* FP inexact */ + EXCP_FP_VXNAN = 0x05, /* FP invalid SNaN op */ + EXCP_FP_VXISI = 0x06, /* FP invalid infinite substraction */ + EXCP_FP_VXIDI = 0x07, /* FP invalid infinite divide */ + EXCP_FP_VXZDZ = 0x08, /* FP invalid zero divide */ + EXCP_FP_VXIMZ = 0x09, /* FP invalid infinite * zero */ + EXCP_FP_VXVC = 0x0A, /* FP invalid compare */ + EXCP_FP_VXSOFT = 0x0B, /* FP invalid operation */ + EXCP_FP_VXSQRT = 0x0C, /* FP invalid square root */ + EXCP_FP_VXCVI = 0x0D, /* FP invalid integer conversion */ + /* Invalid instruction */ + EXCP_INVAL = 0x20, + EXCP_INVAL_INVAL = 0x01, /* Invalid instruction */ + EXCP_INVAL_LSWX = 0x02, /* Invalid lswx instruction */ + EXCP_INVAL_SPR = 0x03, /* Invalid SPR access */ + EXCP_INVAL_FP = 0x04, /* Unimplemented mandatory fp instr */ + /* Privileged instruction */ + EXCP_PRIV = 0x30, + EXCP_PRIV_OPC = 0x01, + EXCP_PRIV_REG = 0x02, + /* Trap */ + EXCP_TRAP = 0x40, +}; + +/*****************************************************************************/ + +#endif /* !defined (__CPU_PPC_H__) */ diff --git a/target-ppc/exec.h b/target-ppc/exec.h new file mode 100644 index 0000000..3ef0968 --- /dev/null +++ b/target-ppc/exec.h @@ -0,0 +1,90 @@ +/* + * PowerPC emulation definitions for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#if !defined (__PPC_H__) +#define __PPC_H__ + +#include "config.h" + +#include "dyngen-exec.h" + +#define TARGET_LONG_BITS 32 + +register struct CPUPPCState *env asm(AREG0); +register uint32_t T0 asm(AREG1); +register uint32_t T1 asm(AREG2); +register uint32_t T2 asm(AREG3); + +#define PARAM(n) ((uint32_t)PARAM##n) +#define SPARAM(n) ((int32_t)PARAM##n) +#define FT0 (env->ft0) +#define FT1 (env->ft1) +#define FT2 (env->ft2) + +#if defined (DEBUG_OP) +#define RETURN() __asm__ __volatile__("nop"); +#else +#define RETURN() __asm__ __volatile__(""); +#endif + +#include "cpu.h" +#include "exec-all.h" + +static inline uint32_t rotl (uint32_t i, int n) +{ + return ((i << n) | (i >> (32 - n))); +} + +#if !defined(CONFIG_USER_ONLY) +#include "softmmu_exec.h" +#endif /* !defined(CONFIG_USER_ONLY) */ + +void do_raise_exception_err (uint32_t exception, int error_code); +void do_raise_exception (uint32_t exception); + +void do_sraw(void); + +void do_fctiw (void); +void do_fctiwz (void); +void do_fnmadd (void); +void do_fnmsub (void); +void do_fsqrt (void); +void do_fres (void); +void do_frsqrte (void); +void do_fsel (void); +void do_fcmpu (void); +void do_fcmpo (void); + +void do_check_reservation (void); +void do_icbi (void); +void do_tlbia (void); +void do_tlbie (void); + +static inline void env_to_regs(void) +{ +} + +static inline void regs_to_env(void) +{ +} + +int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw, + int is_user, int is_softmmu); + +#endif /* !defined (__PPC_H__) */ diff --git a/target-ppc/helper.c b/target-ppc/helper.c new file mode 100644 index 0000000..3f7a708 --- /dev/null +++ b/target-ppc/helper.c @@ -0,0 +1,1458 @@ +/* + * PowerPC emulation helpers for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include <signal.h> +#include <assert.h> + +#include "cpu.h" +#include "exec-all.h" + +//#define DEBUG_MMU +//#define DEBUG_BATS +//#define DEBUG_EXCEPTIONS +//#define FLUSH_ALL_TLBS + +/*****************************************************************************/ +/* PowerPC MMU emulation */ + +#if defined(CONFIG_USER_ONLY) +int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw, + int is_user, int is_softmmu) +{ + int exception, error_code; + + if (rw == 2) { + exception = EXCP_ISI; + error_code = 0; + } else { + exception = EXCP_DSI; + error_code = 0; + if (rw) + error_code |= 0x02000000; + env->spr[SPR_DAR] = address; + env->spr[SPR_DSISR] = error_code; + } + env->exception_index = exception; + env->error_code = error_code; + return 1; +} +target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr) +{ + return addr; +} +#else +/* Perform BAT hit & translation */ +static int get_bat (CPUState *env, uint32_t *real, int *prot, + uint32_t virtual, int rw, int type) +{ + uint32_t *BATlt, *BATut, *BATu, *BATl; + uint32_t base, BEPIl, BEPIu, bl; + int i; + int ret = -1; + +#if defined (DEBUG_BATS) + if (loglevel > 0) { + fprintf(logfile, "%s: %cBAT v 0x%08x\n", __func__, + type == ACCESS_CODE ? 'I' : 'D', virtual); + } +#endif + switch (type) { + case ACCESS_CODE: + BATlt = env->IBAT[1]; + BATut = env->IBAT[0]; + break; + default: + BATlt = env->DBAT[1]; + BATut = env->DBAT[0]; + break; + } +#if defined (DEBUG_BATS) + if (loglevel > 0) { + fprintf(logfile, "%s...: %cBAT v 0x%08x\n", __func__, + type == ACCESS_CODE ? 'I' : 'D', virtual); + } +#endif + base = virtual & 0xFFFC0000; + for (i = 0; i < 4; i++) { + BATu = &BATut[i]; + BATl = &BATlt[i]; + BEPIu = *BATu & 0xF0000000; + BEPIl = *BATu & 0x0FFE0000; + bl = (*BATu & 0x00001FFC) << 15; +#if defined (DEBUG_BATS) + if (loglevel > 0) { + fprintf(logfile, "%s: %cBAT%d v 0x%08x BATu 0x%08x BATl 0x%08x\n", + __func__, type == ACCESS_CODE ? 'I' : 'D', i, virtual, + *BATu, *BATl); + } +#endif + if ((virtual & 0xF0000000) == BEPIu && + ((virtual & 0x0FFE0000) & ~bl) == BEPIl) { + /* BAT matches */ + if ((msr_pr == 0 && (*BATu & 0x00000002)) || + (msr_pr == 1 && (*BATu & 0x00000001))) { + /* Get physical address */ + *real = (*BATl & 0xF0000000) | + ((virtual & 0x0FFE0000 & bl) | (*BATl & 0x0FFE0000)) | + (virtual & 0x0001F000); + if (*BATl & 0x00000001) + *prot = PAGE_READ; + if (*BATl & 0x00000002) + *prot = PAGE_WRITE | PAGE_READ; +#if defined (DEBUG_BATS) + if (loglevel > 0) { + fprintf(logfile, "BAT %d match: r 0x%08x prot=%c%c\n", + i, *real, *prot & PAGE_READ ? 'R' : '-', + *prot & PAGE_WRITE ? 'W' : '-'); + } +#endif + ret = 0; + break; + } + } + } + if (ret < 0) { +#if defined (DEBUG_BATS) + printf("no BAT match for 0x%08x:\n", virtual); + for (i = 0; i < 4; i++) { + BATu = &BATut[i]; + BATl = &BATlt[i]; + BEPIu = *BATu & 0xF0000000; + BEPIl = *BATu & 0x0FFE0000; + bl = (*BATu & 0x00001FFC) << 15; + printf("%s: %cBAT%d v 0x%08x BATu 0x%08x BATl 0x%08x \n\t" + "0x%08x 0x%08x 0x%08x\n", + __func__, type == ACCESS_CODE ? 'I' : 'D', i, virtual, + *BATu, *BATl, BEPIu, BEPIl, bl); + } +#endif + } + /* No hit */ + return ret; +} + +/* PTE table lookup */ +static int find_pte (uint32_t *RPN, int *prot, uint32_t base, uint32_t va, + int h, int key, int rw) +{ + uint32_t pte0, pte1, keep = 0, access = 0; + int i, good = -1, store = 0; + int ret = -1; /* No entry found */ + + for (i = 0; i < 8; i++) { + pte0 = ldl_phys(base + (i * 8)); + pte1 = ldl_phys(base + (i * 8) + 4); +#if defined (DEBUG_MMU) + if (loglevel > 0) { + fprintf(logfile, "Load pte from 0x%08x => 0x%08x 0x%08x " + "%d %d %d 0x%08x\n", base + (i * 8), pte0, pte1, + pte0 >> 31, h, (pte0 >> 6) & 1, va); + } +#endif + /* Check validity and table match */ + if (pte0 & 0x80000000 && (h == ((pte0 >> 6) & 1))) { + /* Check vsid & api */ + if ((pte0 & 0x7FFFFFBF) == va) { + if (good == -1) { + good = i; + keep = pte1; + } else { + /* All matches should have equal RPN, WIMG & PP */ + if ((keep & 0xFFFFF07B) != (pte1 & 0xFFFFF07B)) { + if (loglevel > 0) + fprintf(logfile, "Bad RPN/WIMG/PP\n"); + return -1; + } + } + /* Check access rights */ + if (key == 0) { + access = PAGE_READ; + if ((pte1 & 0x00000003) != 0x3) + access |= PAGE_WRITE; + } else { + switch (pte1 & 0x00000003) { + case 0x0: + access = 0; + break; + case 0x1: + case 0x3: + access = PAGE_READ; + break; + case 0x2: + access = PAGE_READ | PAGE_WRITE; + break; + } + } + if (ret < 0) { + if ((rw == 0 && (access & PAGE_READ)) || + (rw == 1 && (access & PAGE_WRITE))) { +#if defined (DEBUG_MMU) + if (loglevel > 0) + fprintf(logfile, "PTE access granted !\n"); +#endif + good = i; + keep = pte1; + ret = 0; + } else { + /* Access right violation */ + ret = -2; +#if defined (DEBUG_MMU) + if (loglevel > 0) + fprintf(logfile, "PTE access rejected\n"); +#endif + } + *prot = access; + } + } + } + } + if (good != -1) { + *RPN = keep & 0xFFFFF000; +#if defined (DEBUG_MMU) + if (loglevel > 0) { + fprintf(logfile, "found PTE at addr 0x%08x prot=0x%01x ret=%d\n", + *RPN, *prot, ret); + } +#endif + /* Update page flags */ + if (!(keep & 0x00000100)) { + /* Access flag */ + keep |= 0x00000100; + store = 1; + } + if (!(keep & 0x00000080)) { + if (rw && ret == 0) { + /* Change flag */ + keep |= 0x00000080; + store = 1; + } else { + /* Force page fault for first write access */ + *prot &= ~PAGE_WRITE; + } + } + if (store) { + stl_phys_notdirty(base + (good * 8) + 4, keep); + } + } + + return ret; +} + +static inline uint32_t get_pgaddr (uint32_t sdr1, uint32_t hash, uint32_t mask) +{ + return (sdr1 & 0xFFFF0000) | (hash & mask); +} + +/* Perform segment based translation */ +static int get_segment (CPUState *env, uint32_t *real, int *prot, + uint32_t virtual, int rw, int type) +{ + uint32_t pg_addr, sdr, ptem, vsid, pgidx; + uint32_t hash, mask; + uint32_t sr; + int key; + int ret = -1, ret2; + + sr = env->sr[virtual >> 28]; +#if defined (DEBUG_MMU) + if (loglevel > 0) { + fprintf(logfile, "Check segment v=0x%08x %d 0x%08x nip=0x%08x " + "lr=0x%08x ir=%d dr=%d pr=%d %d t=%d\n", + virtual, virtual >> 28, sr, env->nip, + env->lr, msr_ir, msr_dr, msr_pr, rw, type); + } +#endif + key = (((sr & 0x20000000) && msr_pr == 1) || + ((sr & 0x40000000) && msr_pr == 0)) ? 1 : 0; + if ((sr & 0x80000000) == 0) { +#if defined (DEBUG_MMU) + if (loglevel > 0) + fprintf(logfile, "pte segment: key=%d n=0x%08x\n", + key, sr & 0x10000000); +#endif + /* Check if instruction fetch is allowed, if needed */ + if (type != ACCESS_CODE || (sr & 0x10000000) == 0) { + /* Page address translation */ + vsid = sr & 0x00FFFFFF; + pgidx = (virtual >> 12) & 0xFFFF; + sdr = env->sdr1; + hash = ((vsid ^ pgidx) & 0x0007FFFF) << 6; + mask = ((sdr & 0x000001FF) << 16) | 0xFFC0; + pg_addr = get_pgaddr(sdr, hash, mask); + ptem = (vsid << 7) | (pgidx >> 10); +#if defined (DEBUG_MMU) + if (loglevel > 0) { + fprintf(logfile, "0 sdr1=0x%08x vsid=0x%06x api=0x%04x " + "hash=0x%07x pg_addr=0x%08x\n", sdr, vsid, pgidx, hash, + pg_addr); + } +#endif + /* Primary table lookup */ + ret = find_pte(real, prot, pg_addr, ptem, 0, key, rw); + if (ret < 0) { + /* Secondary table lookup */ + hash = (~hash) & 0x01FFFFC0; + pg_addr = get_pgaddr(sdr, hash, mask); +#if defined (DEBUG_MMU) + if (virtual != 0xEFFFFFFF && loglevel > 0) { + fprintf(logfile, "1 sdr1=0x%08x vsid=0x%06x api=0x%04x " + "hash=0x%05x pg_addr=0x%08x\n", sdr, vsid, pgidx, + hash, pg_addr); + } +#endif + ret2 = find_pte(real, prot, pg_addr, ptem, 1, key, rw); + if (ret2 != -1) + ret = ret2; + } + } else { +#if defined (DEBUG_MMU) + if (loglevel > 0) + fprintf(logfile, "No access allowed\n"); +#endif + ret = -3; + } + } else { +#if defined (DEBUG_MMU) + if (loglevel > 0) + fprintf(logfile, "direct store...\n"); +#endif + /* Direct-store segment : absolutely *BUGGY* for now */ + switch (type) { + case ACCESS_INT: + /* Integer load/store : only access allowed */ + break; + case ACCESS_CODE: + /* No code fetch is allowed in direct-store areas */ + return -4; + case ACCESS_FLOAT: + /* Floating point load/store */ + return -4; + case ACCESS_RES: + /* lwarx, ldarx or srwcx. */ + return -4; + case ACCESS_CACHE: + /* dcba, dcbt, dcbtst, dcbf, dcbi, dcbst, dcbz, or icbi */ + /* Should make the instruction do no-op. + * As it already do no-op, it's quite easy :-) + */ + *real = virtual; + return 0; + case ACCESS_EXT: + /* eciwx or ecowx */ + return -4; + default: + if (logfile) { + fprintf(logfile, "ERROR: instruction should not need " + "address translation\n"); + } + printf("ERROR: instruction should not need " + "address translation\n"); + return -4; + } + if ((rw == 1 || key != 1) && (rw == 0 || key != 0)) { + *real = virtual; + ret = 2; + } else { + ret = -2; + } + } + + return ret; +} + +static int get_physical_address (CPUState *env, uint32_t *physical, int *prot, + uint32_t address, int rw, int access_type) +{ + int ret; +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s\n", __func__); + } +#endif + if ((access_type == ACCESS_CODE && msr_ir == 0) || + (access_type != ACCESS_CODE && msr_dr == 0)) { + /* No address translation */ + *physical = address & ~0xFFF; + *prot = PAGE_READ | PAGE_WRITE; + ret = 0; + } else { + /* Try to find a BAT */ + ret = get_bat(env, physical, prot, address, rw, access_type); + if (ret < 0) { + /* We didn't match any BAT entry */ + ret = get_segment(env, physical, prot, address, rw, access_type); + } + } +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s address %08x => %08x\n", + __func__, address, *physical); + } +#endif + return ret; +} + +target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr) +{ + uint32_t phys_addr; + int prot; + + if (get_physical_address(env, &phys_addr, &prot, addr, 0, ACCESS_INT) != 0) + return -1; + return phys_addr; +} + +/* Perform address translation */ +int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw, + int is_user, int is_softmmu) +{ + uint32_t physical; + int prot; + int exception = 0, error_code = 0; + int access_type; + int ret = 0; + + if (rw == 2) { + /* code access */ + rw = 0; + access_type = ACCESS_CODE; + } else { + /* data access */ + /* XXX: put correct access by using cpu_restore_state() + correctly */ + access_type = ACCESS_INT; + // access_type = env->access_type; + } + if (env->user_mode_only) { + /* user mode only emulation */ + ret = -2; + goto do_fault; + } + ret = get_physical_address(env, &physical, &prot, + address, rw, access_type); + if (ret == 0) { + ret = tlb_set_page(env, address & ~0xFFF, physical, prot, + is_user, is_softmmu); + } else if (ret < 0) { + do_fault: +#if defined (DEBUG_MMU) + if (loglevel > 0) + cpu_dump_state(env, logfile, fprintf, 0); +#endif + if (access_type == ACCESS_CODE) { + exception = EXCP_ISI; + switch (ret) { + case -1: + /* No matches in page tables */ + error_code = 0x40000000; + break; + case -2: + /* Access rights violation */ + error_code = 0x08000000; + break; + case -3: + /* No execute protection violation */ + error_code = 0x10000000; + break; + case -4: + /* Direct store exception */ + /* No code fetch is allowed in direct-store areas */ + error_code = 0x10000000; + break; + case -5: + /* No match in segment table */ + exception = EXCP_ISEG; + error_code = 0; + break; + } + } else { + exception = EXCP_DSI; + switch (ret) { + case -1: + /* No matches in page tables */ + error_code = 0x40000000; + break; + case -2: + /* Access rights violation */ + error_code = 0x08000000; + break; + case -4: + /* Direct store exception */ + switch (access_type) { + case ACCESS_FLOAT: + /* Floating point load/store */ + exception = EXCP_ALIGN; + error_code = EXCP_ALIGN_FP; + break; + case ACCESS_RES: + /* lwarx, ldarx or srwcx. */ + error_code = 0x04000000; + break; + case ACCESS_EXT: + /* eciwx or ecowx */ + error_code = 0x04100000; + break; + default: + printf("DSI: invalid exception (%d)\n", ret); + exception = EXCP_PROGRAM; + error_code = EXCP_INVAL | EXCP_INVAL_INVAL; + break; + } + break; + case -5: + /* No match in segment table */ + exception = EXCP_DSEG; + error_code = 0; + break; + } + if (exception == EXCP_DSI && rw == 1) + error_code |= 0x02000000; + /* Store fault address */ + env->spr[SPR_DAR] = address; + env->spr[SPR_DSISR] = error_code; + } +#if 0 + printf("%s: set exception to %d %02x\n", + __func__, exception, error_code); +#endif + env->exception_index = exception; + env->error_code = error_code; + ret = 1; + } + return ret; +} +#endif + +/*****************************************************************************/ +/* BATs management */ +#if !defined(FLUSH_ALL_TLBS) +static inline void do_invalidate_BAT (CPUPPCState *env, + target_ulong BATu, target_ulong mask) +{ + target_ulong base, end, page; + base = BATu & ~0x0001FFFF; + end = base + mask + 0x00020000; +#if defined (DEBUG_BATS) + if (loglevel != 0) + fprintf(logfile, "Flush BAT from %08x to %08x (%08x)\n", base, end, mask); +#endif + for (page = base; page != end; page += TARGET_PAGE_SIZE) + tlb_flush_page(env, page); +#if defined (DEBUG_BATS) + if (loglevel != 0) + fprintf(logfile, "Flush done\n"); +#endif +} +#endif + +static inline void dump_store_bat (CPUPPCState *env, char ID, int ul, int nr, + target_ulong value) +{ +#if defined (DEBUG_BATS) + if (loglevel != 0) { + fprintf(logfile, "Set %cBAT%d%c to 0x%08lx (0x%08lx)\n", + ID, nr, ul == 0 ? 'u' : 'l', (unsigned long)value, + (unsigned long)env->nip); + } +#endif +} + +target_ulong do_load_ibatu (CPUPPCState *env, int nr) +{ + return env->IBAT[0][nr]; +} + +target_ulong do_load_ibatl (CPUPPCState *env, int nr) +{ + return env->IBAT[1][nr]; +} + +void do_store_ibatu (CPUPPCState *env, int nr, target_ulong value) +{ + target_ulong mask; + + dump_store_bat(env, 'I', 0, nr, value); + if (env->IBAT[0][nr] != value) { + mask = (value << 15) & 0x0FFE0000UL; +#if !defined(FLUSH_ALL_TLBS) + do_invalidate_BAT(env, env->IBAT[0][nr], mask); +#endif + /* When storing valid upper BAT, mask BEPI and BRPN + * and invalidate all TLBs covered by this BAT + */ + mask = (value << 15) & 0x0FFE0000UL; + env->IBAT[0][nr] = (value & 0x00001FFFUL) | + (value & ~0x0001FFFFUL & ~mask); + env->IBAT[1][nr] = (env->IBAT[1][nr] & 0x0000007B) | + (env->IBAT[1][nr] & ~0x0001FFFF & ~mask); +#if !defined(FLUSH_ALL_TLBS) + do_invalidate_BAT(env, env->IBAT[0][nr], mask); +#endif +#if defined(FLUSH_ALL_TLBS) + tlb_flush(env, 1); +#endif + } +} + +void do_store_ibatl (CPUPPCState *env, int nr, target_ulong value) +{ + dump_store_bat(env, 'I', 1, nr, value); + env->IBAT[1][nr] = value; +} + +target_ulong do_load_dbatu (CPUPPCState *env, int nr) +{ + return env->DBAT[0][nr]; +} + +target_ulong do_load_dbatl (CPUPPCState *env, int nr) +{ + return env->DBAT[1][nr]; +} + +void do_store_dbatu (CPUPPCState *env, int nr, target_ulong value) +{ + target_ulong mask; + + dump_store_bat(env, 'D', 0, nr, value); + if (env->DBAT[0][nr] != value) { + /* When storing valid upper BAT, mask BEPI and BRPN + * and invalidate all TLBs covered by this BAT + */ + mask = (value << 15) & 0x0FFE0000UL; +#if !defined(FLUSH_ALL_TLBS) + do_invalidate_BAT(env, env->DBAT[0][nr], mask); +#endif + mask = (value << 15) & 0x0FFE0000UL; + env->DBAT[0][nr] = (value & 0x00001FFFUL) | + (value & ~0x0001FFFFUL & ~mask); + env->DBAT[1][nr] = (env->DBAT[1][nr] & 0x0000007B) | + (env->DBAT[1][nr] & ~0x0001FFFF & ~mask); +#if !defined(FLUSH_ALL_TLBS) + do_invalidate_BAT(env, env->DBAT[0][nr], mask); +#else + tlb_flush(env, 1); +#endif + } +} + +void do_store_dbatl (CPUPPCState *env, int nr, target_ulong value) +{ + dump_store_bat(env, 'D', 1, nr, value); + env->DBAT[1][nr] = value; +} + +static inline void invalidate_all_tlbs (CPUPPCState *env) +{ + /* XXX: this needs to be completed for sotware driven TLB support */ + tlb_flush(env, 1); +} + +/*****************************************************************************/ +/* Special registers manipulation */ +target_ulong do_load_nip (CPUPPCState *env) +{ + return env->nip; +} + +void do_store_nip (CPUPPCState *env, target_ulong value) +{ + env->nip = value; +} + +target_ulong do_load_sdr1 (CPUPPCState *env) +{ + return env->sdr1; +} + +void do_store_sdr1 (CPUPPCState *env, target_ulong value) +{ +#if defined (DEBUG_MMU) + if (loglevel != 0) { + fprintf(logfile, "%s: 0x%08lx\n", __func__, (unsigned long)value); + } +#endif + if (env->sdr1 != value) { + env->sdr1 = value; + invalidate_all_tlbs(env); + } +} + +target_ulong do_load_sr (CPUPPCState *env, int srnum) +{ + return env->sr[srnum]; +} + +void do_store_sr (CPUPPCState *env, int srnum, target_ulong value) +{ +#if defined (DEBUG_MMU) + if (loglevel != 0) { + fprintf(logfile, "%s: reg=%d 0x%08lx %08lx\n", + __func__, srnum, (unsigned long)value, env->sr[srnum]); + } +#endif + if (env->sr[srnum] != value) { + env->sr[srnum] = value; +#if !defined(FLUSH_ALL_TLBS) && 0 + { + target_ulong page, end; + /* Invalidate 256 MB of virtual memory */ + page = (16 << 20) * srnum; + end = page + (16 << 20); + for (; page != end; page += TARGET_PAGE_SIZE) + tlb_flush_page(env, page); + } +#else + invalidate_all_tlbs(env); +#endif + } +} + +uint32_t do_load_cr (CPUPPCState *env) +{ + return (env->crf[0] << 28) | + (env->crf[1] << 24) | + (env->crf[2] << 20) | + (env->crf[3] << 16) | + (env->crf[4] << 12) | + (env->crf[5] << 8) | + (env->crf[6] << 4) | + (env->crf[7] << 0); +} + +void do_store_cr (CPUPPCState *env, uint32_t value, uint32_t mask) +{ + int i, sh; + + for (i = 0, sh = 7; i < 8; i++, sh --) { + if (mask & (1 << sh)) + env->crf[i] = (value >> (sh * 4)) & 0xFUL; + } +} + +uint32_t do_load_xer (CPUPPCState *env) +{ + return (xer_so << XER_SO) | + (xer_ov << XER_OV) | + (xer_ca << XER_CA) | + (xer_bc << XER_BC) | + (xer_cmp << XER_CMP); +} + +void do_store_xer (CPUPPCState *env, uint32_t value) +{ + xer_so = (value >> XER_SO) & 0x01; + xer_ov = (value >> XER_OV) & 0x01; + xer_ca = (value >> XER_CA) & 0x01; + xer_cmp = (value >> XER_CMP) & 0xFF; + xer_bc = (value >> XER_BC) & 0x3F; +} + +target_ulong do_load_msr (CPUPPCState *env) +{ + return (msr_vr << MSR_VR) | + (msr_ap << MSR_AP) | + (msr_sa << MSR_SA) | + (msr_key << MSR_KEY) | + (msr_pow << MSR_POW) | + (msr_tlb << MSR_TLB) | + (msr_ile << MSR_ILE) | + (msr_ee << MSR_EE) | + (msr_pr << MSR_PR) | + (msr_fp << MSR_FP) | + (msr_me << MSR_ME) | + (msr_fe0 << MSR_FE0) | + (msr_se << MSR_SE) | + (msr_be << MSR_BE) | + (msr_fe1 << MSR_FE1) | + (msr_al << MSR_AL) | + (msr_ip << MSR_IP) | + (msr_ir << MSR_IR) | + (msr_dr << MSR_DR) | + (msr_pe << MSR_PE) | + (msr_px << MSR_PX) | + (msr_ri << MSR_RI) | + (msr_le << MSR_LE); +} + +void do_compute_hflags (CPUPPCState *env) +{ + /* Compute current hflags */ + env->hflags = (msr_pr << MSR_PR) | (msr_le << MSR_LE) | + (msr_fp << MSR_FP) | (msr_fe0 << MSR_FE0) | (msr_fe1 << MSR_FE1) | + (msr_vr << MSR_VR) | (msr_ap << MSR_AP) | (msr_sa << MSR_SA) | + (msr_se << MSR_SE) | (msr_be << MSR_BE); +} + +void do_store_msr (CPUPPCState *env, target_ulong value) +{ + int enter_pm; + + value &= env->msr_mask; + if (((value >> MSR_IR) & 1) != msr_ir || + ((value >> MSR_DR) & 1) != msr_dr) { + /* Flush all tlb when changing translation mode + * When using software driven TLB, we may also need to reload + * all defined TLBs + */ + tlb_flush(env, 1); + env->interrupt_request |= CPU_INTERRUPT_EXITTB; + } +#if 0 + if (loglevel != 0) { + fprintf(logfile, "%s: T0 %08lx\n", __func__, value); + } +#endif + msr_vr = (value >> MSR_VR) & 1; + msr_ap = (value >> MSR_AP) & 1; + msr_sa = (value >> MSR_SA) & 1; + msr_key = (value >> MSR_KEY) & 1; + msr_pow = (value >> MSR_POW) & 1; + msr_tlb = (value >> MSR_TLB) & 1; + msr_ile = (value >> MSR_ILE) & 1; + msr_ee = (value >> MSR_EE) & 1; + msr_pr = (value >> MSR_PR) & 1; + msr_fp = (value >> MSR_FP) & 1; + msr_me = (value >> MSR_ME) & 1; + msr_fe0 = (value >> MSR_FE0) & 1; + msr_se = (value >> MSR_SE) & 1; + msr_be = (value >> MSR_BE) & 1; + msr_fe1 = (value >> MSR_FE1) & 1; + msr_al = (value >> MSR_AL) & 1; + msr_ip = (value >> MSR_IP) & 1; + msr_ir = (value >> MSR_IR) & 1; + msr_dr = (value >> MSR_DR) & 1; + msr_pe = (value >> MSR_PE) & 1; + msr_px = (value >> MSR_PX) & 1; + msr_ri = (value >> MSR_RI) & 1; + msr_le = (value >> MSR_LE) & 1; + do_compute_hflags(env); + + enter_pm = 0; + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_7x0: + if (msr_pow == 1 && (env->spr[SPR_HID0] & 0x00E00000) != 0) + enter_pm = 1; + break; + default: + break; + } + if (enter_pm) { + /* power save: exit cpu loop */ + env->halted = 1; + env->exception_index = EXCP_HLT; + cpu_loop_exit(); + } +} + +float64 do_load_fpscr (CPUPPCState *env) +{ + /* The 32 MSB of the target fpr are undefined. + * They'll be zero... + */ + union { + float64 d; + struct { + uint32_t u[2]; + } s; + } u; + int i; + +#ifdef WORDS_BIGENDIAN +#define WORD0 0 +#define WORD1 1 +#else +#define WORD0 1 +#define WORD1 0 +#endif + u.s.u[WORD0] = 0; + u.s.u[WORD1] = 0; + for (i = 0; i < 8; i++) + u.s.u[WORD1] |= env->fpscr[i] << (4 * i); + return u.d; +} + +void do_store_fpscr (CPUPPCState *env, float64 f, uint32_t mask) +{ + /* + * We use only the 32 LSB of the incoming fpr + */ + union { + double d; + struct { + uint32_t u[2]; + } s; + } u; + int i, rnd_type; + + u.d = f; + if (mask & 0x80) + env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[WORD1] >> 28) & ~0x9); + for (i = 1; i < 7; i++) { + if (mask & (1 << (7 - i))) + env->fpscr[i] = (u.s.u[WORD1] >> (4 * (7 - i))) & 0xF; + } + /* TODO: update FEX & VX */ + /* Set rounding mode */ + switch (env->fpscr[0] & 0x3) { + case 0: + /* Best approximation (round to nearest) */ + rnd_type = float_round_nearest_even; + break; + case 1: + /* Smaller magnitude (round toward zero) */ + rnd_type = float_round_to_zero; + break; + case 2: + /* Round toward +infinite */ + rnd_type = float_round_up; + break; + default: + case 3: + /* Round toward -infinite */ + rnd_type = float_round_down; + break; + } + set_float_rounding_mode(rnd_type, &env->fp_status); +} + +/*****************************************************************************/ +/* Exception processing */ +#if defined (CONFIG_USER_ONLY) +void do_interrupt (CPUState *env) +{ + env->exception_index = -1; +} +#else +static void dump_syscall(CPUState *env) +{ + fprintf(logfile, "syscall r0=0x%08x r3=0x%08x r4=0x%08x r5=0x%08x r6=0x%08x nip=0x%08x\n", + env->gpr[0], env->gpr[3], env->gpr[4], + env->gpr[5], env->gpr[6], env->nip); +} + +void do_interrupt (CPUState *env) +{ + target_ulong msr, *srr_0, *srr_1, tmp; + int excp; + + excp = env->exception_index; + msr = do_load_msr(env); + /* The default is to use SRR0 & SRR1 to save the exception context */ + srr_0 = &env->spr[SPR_SRR0]; + srr_1 = &env->spr[SPR_SRR1]; +#if defined (DEBUG_EXCEPTIONS) + if ((excp == EXCP_PROGRAM || excp == EXCP_DSI) && msr_pr == 1) { + if (loglevel != 0) { + fprintf(logfile, "Raise exception at 0x%08lx => 0x%08x (%02x)\n", + (unsigned long)env->nip, excp, env->error_code); + cpu_dump_state(env, logfile, fprintf, 0); + } + } +#endif + if (loglevel & CPU_LOG_INT) { + fprintf(logfile, "Raise exception at 0x%08lx => 0x%08x (%02x)\n", + (unsigned long)env->nip, excp, env->error_code); + } + msr_pow = 0; + /* Generate informations in save/restore registers */ + switch (excp) { + /* Generic PowerPC exceptions */ + case EXCP_RESET: /* 0x0100 */ + if (PPC_EXCP(env) != PPC_FLAGS_EXCP_40x) { + if (msr_ip) + excp += 0xFFC00; + excp |= 0xFFC00000; + } else { + srr_0 = &env->spr[SPR_40x_SRR2]; + srr_1 = &env->spr[SPR_40x_SRR3]; + } + goto store_next; + case EXCP_MACHINE_CHECK: /* 0x0200 */ + if (msr_me == 0) { + cpu_abort(env, "Machine check exception while not allowed\n"); + } + if (PPC_EXCP(env) == PPC_FLAGS_EXCP_40x) { + srr_0 = &env->spr[SPR_40x_SRR2]; + srr_1 = &env->spr[SPR_40x_SRR3]; + } + msr_me = 0; + break; + case EXCP_DSI: /* 0x0300 */ + /* Store exception cause */ + /* data location address has been stored + * when the fault has been detected + */ + msr &= ~0xFFFF0000; +#if defined (DEBUG_EXCEPTIONS) + if (loglevel) { + fprintf(logfile, "DSI exception: DSISR=0x%08x, DAR=0x%08x\n", + env->spr[SPR_DSISR], env->spr[SPR_DAR]); + } else { + printf("DSI exception: DSISR=0x%08x, DAR=0x%08x\n", + env->spr[SPR_DSISR], env->spr[SPR_DAR]); + } +#endif + goto store_next; + case EXCP_ISI: /* 0x0400 */ + /* Store exception cause */ + msr &= ~0xFFFF0000; + msr |= env->error_code; +#if defined (DEBUG_EXCEPTIONS) + if (loglevel != 0) { + fprintf(logfile, "ISI exception: msr=0x%08x, nip=0x%08x\n", + msr, env->nip); + } +#endif + goto store_next; + case EXCP_EXTERNAL: /* 0x0500 */ + if (msr_ee == 0) { +#if defined (DEBUG_EXCEPTIONS) + if (loglevel > 0) { + fprintf(logfile, "Skipping hardware interrupt\n"); + } +#endif + /* Requeue it */ + env->interrupt_request |= CPU_INTERRUPT_HARD; + return; + } + goto store_next; + case EXCP_ALIGN: /* 0x0600 */ + if (PPC_EXCP(env) != PPC_FLAGS_EXCP_601) { + /* Store exception cause */ + /* Get rS/rD and rA from faulting opcode */ + env->spr[SPR_DSISR] |= + (ldl_code((env->nip - 4)) & 0x03FF0000) >> 16; + /* data location address has been stored + * when the fault has been detected + */ + } else { + /* IO error exception on PowerPC 601 */ + /* XXX: TODO */ + cpu_abort(env, + "601 IO error exception is not implemented yet !\n"); + } + goto store_current; + case EXCP_PROGRAM: /* 0x0700 */ + msr &= ~0xFFFF0000; + switch (env->error_code & ~0xF) { + case EXCP_FP: + if (msr_fe0 == 0 && msr_fe1 == 0) { +#if defined (DEBUG_EXCEPTIONS) + printf("Ignore floating point exception\n"); +#endif + return; + } + msr |= 0x00100000; + /* Set FX */ + env->fpscr[7] |= 0x8; + /* Finally, update FEX */ + if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & + ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) + env->fpscr[7] |= 0x4; + break; + case EXCP_INVAL: + // printf("Invalid instruction at 0x%08x\n", env->nip); + msr |= 0x00080000; + break; + case EXCP_PRIV: + msr |= 0x00040000; + break; + case EXCP_TRAP: + msr |= 0x00020000; + break; + default: + /* Should never occur */ + break; + } + msr |= 0x00010000; + goto store_current; + case EXCP_NO_FP: /* 0x0800 */ + msr &= ~0xFFFF0000; + goto store_current; + case EXCP_DECR: + if (msr_ee == 0) { +#if 1 + /* Requeue it */ + env->interrupt_request |= CPU_INTERRUPT_TIMER; +#endif + return; + } + goto store_next; + case EXCP_SYSCALL: /* 0x0C00 */ + /* NOTE: this is a temporary hack to support graphics OSI + calls from the MOL driver */ + if (env->gpr[3] == 0x113724fa && env->gpr[4] == 0x77810f9b && + env->osi_call) { + if (env->osi_call(env) != 0) + return; + } + if (loglevel & CPU_LOG_INT) { + dump_syscall(env); + } + goto store_next; + case EXCP_TRACE: /* 0x0D00 */ + /* XXX: TODO */ + cpu_abort(env, "Trace exception is not implemented yet !\n"); + goto store_next; + case EXCP_PERF: /* 0x0F00 */ + /* XXX: TODO */ + cpu_abort(env, + "Performance counter exception is not implemented yet !\n"); + goto store_next; + /* 32 bits PowerPC specific exceptions */ + case EXCP_FP_ASSIST: /* 0x0E00 */ + /* XXX: TODO */ + cpu_abort(env, "Floating point assist exception " + "is not implemented yet !\n"); + goto store_next; + /* 64 bits PowerPC exceptions */ + case EXCP_DSEG: /* 0x0380 */ + /* XXX: TODO */ + cpu_abort(env, "Data segment exception is not implemented yet !\n"); + goto store_next; + case EXCP_ISEG: /* 0x0480 */ + /* XXX: TODO */ + cpu_abort(env, + "Instruction segment exception is not implemented yet !\n"); + goto store_next; + case EXCP_HDECR: /* 0x0980 */ + if (msr_ee == 0) { +#if 1 + /* Requeue it */ + env->interrupt_request |= CPU_INTERRUPT_TIMER; +#endif + return; + } + cpu_abort(env, + "Hypervisor decrementer exception is not implemented yet !\n"); + goto store_next; + /* Implementation specific exceptions */ + case 0x0A00: + if (PPC_EXCP(env) != PPC_FLAGS_EXCP_602) { + /* Critical interrupt on G2 */ + /* XXX: TODO */ + cpu_abort(env, "G2 critical interrupt is not implemented yet !\n"); + goto store_next; + } else { + cpu_abort(env, "Invalid exception 0x0A00 !\n"); + } + return; + case 0x0F20: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* APU unavailable on 405 */ + /* XXX: TODO */ + cpu_abort(env, + "APU unavailable exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_74xx: + /* Altivec unavailable */ + /* XXX: TODO */ + cpu_abort(env, "Altivec unavailable exception " + "is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x0F20 !\n"); + break; + } + return; + case 0x1000: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* PIT on 4xx */ + /* XXX: TODO */ + cpu_abort(env, "40x PIT exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_602: + case PPC_FLAGS_EXCP_603: + /* ITLBMISS on 602/603 */ + msr &= ~0xF00F0000; + msr_tgpr = 1; + goto store_gprs; + default: + cpu_abort(env, "Invalid exception 0x1000 !\n"); + break; + } + return; + case 0x1010: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* FIT on 4xx */ + cpu_abort(env, "40x FIT exception is not implemented yet !\n"); + /* XXX: TODO */ + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1010 !\n"); + break; + } + return; + case 0x1020: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* Watchdog on 4xx */ + /* XXX: TODO */ + cpu_abort(env, + "40x watchdog exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1020 !\n"); + break; + } + return; + case 0x1100: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* DTLBMISS on 4xx */ + /* XXX: TODO */ + cpu_abort(env, + "40x DTLBMISS exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_602: + case PPC_FLAGS_EXCP_603: + /* DLTLBMISS on 602/603 */ + msr &= ~0xF00F0000; + msr_tgpr = 1; + goto store_gprs; + default: + cpu_abort(env, "Invalid exception 0x1100 !\n"); + break; + } + return; + case 0x1200: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* ITLBMISS on 4xx */ + /* XXX: TODO */ + cpu_abort(env, + "40x ITLBMISS exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_602: + case PPC_FLAGS_EXCP_603: + /* DSTLBMISS on 602/603 */ + msr &= ~0xF00F0000; + msr_tgpr = 1; + store_gprs: +#if defined (DEBUG_SOFTWARE_TLB) + if (loglevel != 0) { + fprintf(logfile, "6xx %sTLB miss: IM %08x DM %08x IC %08x " + "DC %08x H1 %08x H2 %08x %08x\n", + excp == 0x1000 ? "I" : excp == 0x1100 ? "DL" : "DS", + env->spr[SPR_IMISS], env->spr[SPR_DMISS], + env->spr[SPR_ICMP], env->spr[SPR_DCMP], + env->spr[SPR_DHASH1], env->spr[SPR_DHASH2], + env->error_code); + } +#endif + /* Swap temporary saved registers with GPRs */ + tmp = env->gpr[0]; + env->gpr[0] = env->tgpr[0]; + env->tgpr[0] = tmp; + tmp = env->gpr[1]; + env->gpr[1] = env->tgpr[1]; + env->tgpr[1] = tmp; + tmp = env->gpr[2]; + env->gpr[2] = env->tgpr[2]; + env->tgpr[2] = tmp; + tmp = env->gpr[3]; + env->gpr[3] = env->tgpr[3]; + env->tgpr[3] = tmp; + msr |= env->crf[0] << 28; + msr |= env->error_code; /* key, D/I, S/L bits */ + /* Set way using a LRU mechanism */ + msr |= (env->last_way ^ 1) << 17; + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1200 !\n"); + break; + } + return; + case 0x1300: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_601: + case PPC_FLAGS_EXCP_602: + case PPC_FLAGS_EXCP_603: + case PPC_FLAGS_EXCP_604: + case PPC_FLAGS_EXCP_7x0: + case PPC_FLAGS_EXCP_7x5: + /* IABR on 6xx/7xx */ + /* XXX: TODO */ + cpu_abort(env, "IABR exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1300 !\n"); + break; + } + return; + case 0x1400: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_601: + case PPC_FLAGS_EXCP_602: + case PPC_FLAGS_EXCP_603: + case PPC_FLAGS_EXCP_604: + case PPC_FLAGS_EXCP_7x0: + case PPC_FLAGS_EXCP_7x5: + /* SMI on 6xx/7xx */ + /* XXX: TODO */ + cpu_abort(env, "SMI exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1400 !\n"); + break; + } + return; + case 0x1500: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_602: + /* Watchdog on 602 */ + cpu_abort(env, + "602 watchdog exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_970: + /* Soft patch exception on 970 */ + /* XXX: TODO */ + cpu_abort(env, + "970 soft-patch exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_74xx: + /* VPU assist on 74xx */ + /* XXX: TODO */ + cpu_abort(env, "VPU assist exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1500 !\n"); + break; + } + return; + case 0x1600: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_602: + /* Emulation trap on 602 */ + /* XXX: TODO */ + cpu_abort(env, "602 emulation trap exception " + "is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_970: + /* Maintenance exception on 970 */ + /* XXX: TODO */ + cpu_abort(env, + "970 maintenance exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1600 !\n"); + break; + } + return; + case 0x1700: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_7x0: + case PPC_FLAGS_EXCP_7x5: + /* Thermal management interrupt on G3 */ + /* XXX: TODO */ + cpu_abort(env, "G3 thermal management exception " + "is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_970: + /* VPU assist on 970 */ + /* XXX: TODO */ + cpu_abort(env, + "970 VPU assist exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1700 !\n"); + break; + } + return; + case 0x1800: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_970: + /* Thermal exception on 970 */ + /* XXX: TODO */ + cpu_abort(env, "970 thermal management exception " + "is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1800 !\n"); + break; + } + return; + case 0x2000: + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_40x: + /* DEBUG on 4xx */ + /* XXX: TODO */ + cpu_abort(env, "40x debug exception is not implemented yet !\n"); + goto store_next; + case PPC_FLAGS_EXCP_601: + /* Run mode exception on 601 */ + /* XXX: TODO */ + cpu_abort(env, + "601 run mode exception is not implemented yet !\n"); + goto store_next; + default: + cpu_abort(env, "Invalid exception 0x1800 !\n"); + break; + } + return; + /* Other exceptions */ + /* Qemu internal exceptions: + * we should never come here with those values: abort execution + */ + default: + cpu_abort(env, "Invalid exception: code %d (%04x)\n", excp, excp); + return; + store_current: + /* save current instruction location */ + *srr_0 = (env->nip - 4) & 0xFFFFFFFFULL; + break; + store_next: + /* save next instruction location */ + *srr_0 = env->nip & 0xFFFFFFFFULL; + break; + } + /* Save msr */ + *srr_1 = msr; + /* If we disactivated any translation, flush TLBs */ + if (msr_ir || msr_dr) { + tlb_flush(env, 1); + } + /* reload MSR with correct bits */ + msr_ee = 0; + msr_pr = 0; + msr_fp = 0; + msr_fe0 = 0; + msr_se = 0; + msr_be = 0; + msr_fe1 = 0; + msr_ir = 0; + msr_dr = 0; + msr_ri = 0; + msr_le = msr_ile; + msr_sf = msr_isf; + do_compute_hflags(env); + /* Jump to handler */ + env->nip = excp; + env->exception_index = EXCP_NONE; +} +#endif /* !CONFIG_USER_ONLY */ diff --git a/target-ppc/op.c b/target-ppc/op.c new file mode 100644 index 0000000..ca1dbc5 --- /dev/null +++ b/target-ppc/op.c @@ -0,0 +1,1296 @@ +/* + * PowerPC emulation micro-operations for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//#define DEBUG_OP + +#include "config.h" +#include "exec.h" + +#define regs (env) +#define Ts0 (int32_t)T0 +#define Ts1 (int32_t)T1 +#define Ts2 (int32_t)T2 + +#define FT0 (env->ft0) +#define FT1 (env->ft1) +#define FT2 (env->ft2) + +#define PPC_OP(name) void glue(op_, name)(void) + +#define REG 0 +#include "op_template.h" + +#define REG 1 +#include "op_template.h" + +#define REG 2 +#include "op_template.h" + +#define REG 3 +#include "op_template.h" + +#define REG 4 +#include "op_template.h" + +#define REG 5 +#include "op_template.h" + +#define REG 6 +#include "op_template.h" + +#define REG 7 +#include "op_template.h" + +#define REG 8 +#include "op_template.h" + +#define REG 9 +#include "op_template.h" + +#define REG 10 +#include "op_template.h" + +#define REG 11 +#include "op_template.h" + +#define REG 12 +#include "op_template.h" + +#define REG 13 +#include "op_template.h" + +#define REG 14 +#include "op_template.h" + +#define REG 15 +#include "op_template.h" + +#define REG 16 +#include "op_template.h" + +#define REG 17 +#include "op_template.h" + +#define REG 18 +#include "op_template.h" + +#define REG 19 +#include "op_template.h" + +#define REG 20 +#include "op_template.h" + +#define REG 21 +#include "op_template.h" + +#define REG 22 +#include "op_template.h" + +#define REG 23 +#include "op_template.h" + +#define REG 24 +#include "op_template.h" + +#define REG 25 +#include "op_template.h" + +#define REG 26 +#include "op_template.h" + +#define REG 27 +#include "op_template.h" + +#define REG 28 +#include "op_template.h" + +#define REG 29 +#include "op_template.h" + +#define REG 30 +#include "op_template.h" + +#define REG 31 +#include "op_template.h" + +/* PowerPC state maintenance operations */ +/* set_Rc0 */ +PPC_OP(set_Rc0) +{ + uint32_t tmp; + + if (Ts0 < 0) { + tmp = 0x08; + } else if (Ts0 > 0) { + tmp = 0x04; + } else { + tmp = 0x02; + } + tmp |= xer_ov; + env->crf[0] = tmp; + RETURN(); +} + +/* reset_Rc0 */ +PPC_OP(reset_Rc0) +{ + env->crf[0] = 0x02 | xer_ov; + RETURN(); +} + +/* set_Rc0_1 */ +PPC_OP(set_Rc0_1) +{ + env->crf[0] = 0x04 | xer_ov; + RETURN(); +} + +/* Set Rc1 (for floating point arithmetic) */ +PPC_OP(set_Rc1) +{ + env->crf[1] = regs->fpscr[7]; + RETURN(); +} + +/* Constants load */ +PPC_OP(set_T0) +{ + T0 = PARAM(1); + RETURN(); +} + +PPC_OP(set_T1) +{ + T1 = PARAM(1); + RETURN(); +} + +PPC_OP(set_T2) +{ + T2 = PARAM(1); + RETURN(); +} + +/* Generate exceptions */ +PPC_OP(raise_exception_err) +{ + do_raise_exception_err(PARAM(1), PARAM(2)); +} + +PPC_OP(raise_exception) +{ + do_raise_exception(PARAM(1)); +} + +PPC_OP(update_nip) +{ + env->nip = PARAM(1); +} + +PPC_OP(debug) +{ + do_raise_exception(EXCP_DEBUG); +} + +/* Segment registers load and store with immediate index */ +PPC_OP(load_srin) +{ + T0 = regs->sr[T1 >> 28]; + RETURN(); +} + +PPC_OP(store_srin) +{ + do_store_sr(env, ((uint32_t)T1 >> 28), T0); + RETURN(); +} + +PPC_OP(load_sdr1) +{ + T0 = regs->sdr1; + RETURN(); +} + +PPC_OP(store_sdr1) +{ + do_store_sdr1(env, T0); + RETURN(); +} + +PPC_OP(exit_tb) +{ + EXIT_TB(); +} + +/* Load/store special registers */ +PPC_OP(load_cr) +{ + T0 = do_load_cr(env); + RETURN(); +} + +PPC_OP(store_cr) +{ + do_store_cr(env, T0, PARAM(1)); + RETURN(); +} + +PPC_OP(load_xer_cr) +{ + T0 = (xer_so << 3) | (xer_ov << 2) | (xer_ca << 1); + RETURN(); +} + +PPC_OP(clear_xer_cr) +{ + xer_so = 0; + xer_ov = 0; + xer_ca = 0; + RETURN(); +} + +PPC_OP(load_xer_bc) +{ + T1 = xer_bc; + RETURN(); +} + +PPC_OP(load_xer) +{ + T0 = do_load_xer(env); + RETURN(); +} + +PPC_OP(store_xer) +{ + do_store_xer(env, T0); + RETURN(); +} + +PPC_OP(load_msr) +{ + T0 = do_load_msr(env); + RETURN(); +} + +PPC_OP(store_msr) +{ + do_store_msr(env, T0); + RETURN(); +} + +/* SPR */ +PPC_OP(load_spr) +{ + T0 = regs->spr[PARAM(1)]; + RETURN(); +} + +PPC_OP(store_spr) +{ + regs->spr[PARAM(1)] = T0; + RETURN(); +} + +PPC_OP(load_lr) +{ + T0 = regs->lr; + RETURN(); +} + +PPC_OP(store_lr) +{ + regs->lr = T0; + RETURN(); +} + +PPC_OP(load_ctr) +{ + T0 = regs->ctr; + RETURN(); +} + +PPC_OP(store_ctr) +{ + regs->ctr = T0; + RETURN(); +} + +PPC_OP(load_tbl) +{ + T0 = cpu_ppc_load_tbl(regs); + RETURN(); +} + +PPC_OP(load_tbu) +{ + T0 = cpu_ppc_load_tbu(regs); + RETURN(); +} + +PPC_OP(store_tbl) +{ + cpu_ppc_store_tbl(regs, T0); + RETURN(); +} + +PPC_OP(store_tbu) +{ + cpu_ppc_store_tbu(regs, T0); + RETURN(); +} + +PPC_OP(load_decr) +{ + T0 = cpu_ppc_load_decr(regs); + } + +PPC_OP(store_decr) +{ + cpu_ppc_store_decr(regs, T0); + RETURN(); +} + +PPC_OP(load_ibat) +{ + T0 = regs->IBAT[PARAM(1)][PARAM(2)]; +} + +void op_store_ibatu (void) +{ + do_store_ibatu(env, PARAM1, T0); + RETURN(); +} + +void op_store_ibatl (void) +{ +#if 1 + env->IBAT[1][PARAM1] = T0; +#else + do_store_ibatl(env, PARAM1, T0); +#endif + RETURN(); +} + +PPC_OP(load_dbat) +{ + T0 = regs->DBAT[PARAM(1)][PARAM(2)]; +} + +void op_store_dbatu (void) +{ + do_store_dbatu(env, PARAM1, T0); + RETURN(); +} + +void op_store_dbatl (void) +{ +#if 1 + env->DBAT[1][PARAM1] = T0; +#else + do_store_dbatl(env, PARAM1, T0); +#endif + RETURN(); +} + +/* FPSCR */ +PPC_OP(load_fpscr) +{ + FT0 = do_load_fpscr(env); + RETURN(); +} + +PPC_OP(store_fpscr) +{ + do_store_fpscr(env, FT0, PARAM1); + RETURN(); +} + +PPC_OP(reset_scrfx) +{ + regs->fpscr[7] &= ~0x8; + RETURN(); +} + +/* crf operations */ +PPC_OP(getbit_T0) +{ + T0 = (T0 >> PARAM(1)) & 1; + RETURN(); +} + +PPC_OP(getbit_T1) +{ + T1 = (T1 >> PARAM(1)) & 1; + RETURN(); +} + +PPC_OP(setcrfbit) +{ + T1 = (T1 & PARAM(1)) | (T0 << PARAM(2)); + RETURN(); +} + +/* Branch */ +#define EIP regs->nip + +PPC_OP(setlr) +{ + regs->lr = PARAM1; +} + +PPC_OP(goto_tb0) +{ + GOTO_TB(op_goto_tb0, PARAM1, 0); +} + +PPC_OP(goto_tb1) +{ + GOTO_TB(op_goto_tb1, PARAM1, 1); +} + +PPC_OP(b_T1) +{ + regs->nip = T1 & ~3; +} + +PPC_OP(jz_T0) +{ + if (!T0) + GOTO_LABEL_PARAM(1); + RETURN(); +} + +PPC_OP(btest_T1) +{ + if (T0) { + regs->nip = T1 & ~3; + } else { + regs->nip = PARAM1; + } + RETURN(); +} + +PPC_OP(movl_T1_ctr) +{ + T1 = regs->ctr; +} + +PPC_OP(movl_T1_lr) +{ + T1 = regs->lr; +} + +/* tests with result in T0 */ + +PPC_OP(test_ctr) +{ + T0 = regs->ctr; +} + +PPC_OP(test_ctr_true) +{ + T0 = (regs->ctr != 0 && (T0 & PARAM(1)) != 0); +} + +PPC_OP(test_ctr_false) +{ + T0 = (regs->ctr != 0 && (T0 & PARAM(1)) == 0); +} + +PPC_OP(test_ctrz) +{ + T0 = (regs->ctr == 0); +} + +PPC_OP(test_ctrz_true) +{ + T0 = (regs->ctr == 0 && (T0 & PARAM(1)) != 0); +} + +PPC_OP(test_ctrz_false) +{ + T0 = (regs->ctr == 0 && (T0 & PARAM(1)) == 0); +} + +PPC_OP(test_true) +{ + T0 = (T0 & PARAM(1)); +} + +PPC_OP(test_false) +{ + T0 = ((T0 & PARAM(1)) == 0); +} + +/* CTR maintenance */ +PPC_OP(dec_ctr) +{ + regs->ctr--; + RETURN(); +} + +/*** Integer arithmetic ***/ +/* add */ +PPC_OP(add) +{ + T0 += T1; + RETURN(); +} + +void do_addo (void); +void op_addo (void) +{ + do_addo(); + RETURN(); +} + +/* add carrying */ +PPC_OP(addc) +{ + T2 = T0; + T0 += T1; + if (T0 < T2) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +void do_addco (void); +void op_addco (void) +{ + do_addco(); + RETURN(); +} + +/* add extended */ +void do_adde (void); +void op_adde (void) +{ + do_adde(); +} + +void do_addeo (void); +PPC_OP(addeo) +{ + do_addeo(); + RETURN(); +} + +/* add immediate */ +PPC_OP(addi) +{ + T0 += PARAM(1); + RETURN(); +} + +/* add immediate carrying */ +PPC_OP(addic) +{ + T1 = T0; + T0 += PARAM(1); + if (T0 < T1) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +/* add to minus one extended */ +PPC_OP(addme) +{ + T1 = T0; + T0 += xer_ca + (-1); + if (T1 != 0) + xer_ca = 1; + RETURN(); +} + +void do_addmeo (void); +void op_addmeo (void) +{ + do_addmeo(); + RETURN(); +} + +/* add to zero extended */ +PPC_OP(addze) +{ + T1 = T0; + T0 += xer_ca; + if (T0 < T1) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +void do_addzeo (void); +void op_addzeo (void) +{ + do_addzeo(); + RETURN(); +} + +/* divide word */ +PPC_OP(divw) +{ + if ((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0) { + T0 = (int32_t)((-1) * (T0 >> 31)); + } else { + T0 = (Ts0 / Ts1); + } + RETURN(); +} + +void do_divwo (void); +void op_divwo (void) +{ + do_divwo(); + RETURN(); +} + +/* divide word unsigned */ +PPC_OP(divwu) +{ + if (T1 == 0) { + T0 = 0; + } else { + T0 /= T1; + } + RETURN(); +} + +void do_divwuo (void); +void op_divwuo (void) +{ + do_divwuo(); + RETURN(); +} + +/* multiply high word */ +PPC_OP(mulhw) +{ + T0 = ((int64_t)Ts0 * (int64_t)Ts1) >> 32; + RETURN(); +} + +/* multiply high word unsigned */ +PPC_OP(mulhwu) +{ + T0 = ((uint64_t)T0 * (uint64_t)T1) >> 32; + RETURN(); +} + +/* multiply low immediate */ +PPC_OP(mulli) +{ + T0 = (Ts0 * SPARAM(1)); + RETURN(); +} + +/* multiply low word */ +PPC_OP(mullw) +{ + T0 *= T1; + RETURN(); +} + +void do_mullwo (void); +void op_mullwo (void) +{ + do_mullwo(); + RETURN(); +} + +/* negate */ +PPC_OP(neg) +{ + if (T0 != 0x80000000) { + T0 = -Ts0; + } + RETURN(); +} + +void do_nego (void); +void op_nego (void) +{ + do_nego(); + RETURN(); +} + +/* substract from */ +PPC_OP(subf) +{ + T0 = T1 - T0; + RETURN(); +} + +void do_subfo (void); +void op_subfo (void) +{ + do_subfo(); + RETURN(); +} + +/* substract from carrying */ +PPC_OP(subfc) +{ + T0 = T1 - T0; + if (T0 <= T1) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +void do_subfco (void); +void op_subfco (void) +{ + do_subfco(); + RETURN(); +} + +/* substract from extended */ +void do_subfe (void); +void op_subfe (void) +{ + do_subfe(); + RETURN(); +} + +void do_subfeo (void); +PPC_OP(subfeo) +{ + do_subfeo(); + RETURN(); +} + +/* substract from immediate carrying */ +PPC_OP(subfic) +{ + T0 = PARAM(1) + ~T0 + 1; + if (T0 <= PARAM(1)) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +/* substract from minus one extended */ +PPC_OP(subfme) +{ + T0 = ~T0 + xer_ca - 1; + + if (T0 != -1) + xer_ca = 1; + RETURN(); +} + +void do_subfmeo (void); +void op_subfmeo (void) +{ + do_subfmeo(); + RETURN(); +} + +/* substract from zero extended */ +PPC_OP(subfze) +{ + T1 = ~T0; + T0 = T1 + xer_ca; + if (T0 < T1) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +void do_subfzeo (void); +void op_subfzeo (void) +{ + do_subfzeo(); + RETURN(); +} + +/*** Integer comparison ***/ +/* compare */ +PPC_OP(cmp) +{ + if (Ts0 < Ts1) { + T0 = 0x08; + } else if (Ts0 > Ts1) { + T0 = 0x04; + } else { + T0 = 0x02; + } + RETURN(); +} + +/* compare immediate */ +PPC_OP(cmpi) +{ + if (Ts0 < SPARAM(1)) { + T0 = 0x08; + } else if (Ts0 > SPARAM(1)) { + T0 = 0x04; + } else { + T0 = 0x02; + } + RETURN(); +} + +/* compare logical */ +PPC_OP(cmpl) +{ + if (T0 < T1) { + T0 = 0x08; + } else if (T0 > T1) { + T0 = 0x04; + } else { + T0 = 0x02; + } + RETURN(); +} + +/* compare logical immediate */ +PPC_OP(cmpli) +{ + if (T0 < PARAM(1)) { + T0 = 0x08; + } else if (T0 > PARAM(1)) { + T0 = 0x04; + } else { + T0 = 0x02; + } + RETURN(); +} + +/*** Integer logical ***/ +/* and */ +PPC_OP(and) +{ + T0 &= T1; + RETURN(); +} + +/* andc */ +PPC_OP(andc) +{ + T0 &= ~T1; + RETURN(); +} + +/* andi. */ +PPC_OP(andi_) +{ + T0 &= PARAM(1); + RETURN(); +} + +/* count leading zero */ +PPC_OP(cntlzw) +{ + T1 = T0; + for (T0 = 32; T1 > 0; T0--) + T1 = T1 >> 1; + RETURN(); +} + +/* eqv */ +PPC_OP(eqv) +{ + T0 = ~(T0 ^ T1); + RETURN(); +} + +/* extend sign byte */ +PPC_OP(extsb) +{ + T0 = (int32_t)((int8_t)(Ts0)); + RETURN(); +} + +/* extend sign half word */ +PPC_OP(extsh) +{ + T0 = (int32_t)((int16_t)(Ts0)); + RETURN(); +} + +/* nand */ +PPC_OP(nand) +{ + T0 = ~(T0 & T1); + RETURN(); +} + +/* nor */ +PPC_OP(nor) +{ + T0 = ~(T0 | T1); + RETURN(); +} + +/* or */ +PPC_OP(or) +{ + T0 |= T1; + RETURN(); +} + +/* orc */ +PPC_OP(orc) +{ + T0 |= ~T1; + RETURN(); +} + +/* ori */ +PPC_OP(ori) +{ + T0 |= PARAM(1); + RETURN(); +} + +/* xor */ +PPC_OP(xor) +{ + T0 ^= T1; + RETURN(); +} + +/* xori */ +PPC_OP(xori) +{ + T0 ^= PARAM(1); + RETURN(); +} + +/*** Integer rotate ***/ +/* rotate left word immediate then mask insert */ +PPC_OP(rlwimi) +{ + T0 = (rotl(T0, PARAM(1)) & PARAM(2)) | (T1 & PARAM(3)); + RETURN(); +} + +/* rotate left immediate then and with mask insert */ +PPC_OP(rotlwi) +{ + T0 = rotl(T0, PARAM(1)); + RETURN(); +} + +PPC_OP(slwi) +{ + T0 = T0 << PARAM(1); + RETURN(); +} + +PPC_OP(srwi) +{ + T0 = T0 >> PARAM(1); + RETURN(); +} + +/* rotate left word then and with mask insert */ +PPC_OP(rlwinm) +{ + T0 = rotl(T0, PARAM(1)) & PARAM(2); + RETURN(); +} + +PPC_OP(rotl) +{ + T0 = rotl(T0, T1); + RETURN(); +} + +PPC_OP(rlwnm) +{ + T0 = rotl(T0, T1) & PARAM(1); + RETURN(); +} + +/*** Integer shift ***/ +/* shift left word */ +PPC_OP(slw) +{ + if (T1 & 0x20) { + T0 = 0; + } else { + T0 = T0 << T1; + } + RETURN(); +} + +/* shift right algebraic word */ +void op_sraw (void) +{ + do_sraw(); + RETURN(); +} + +/* shift right algebraic word immediate */ +PPC_OP(srawi) +{ + T1 = T0; + T0 = (Ts0 >> PARAM(1)); + if (Ts1 < 0 && (Ts1 & PARAM(2)) != 0) { + xer_ca = 1; + } else { + xer_ca = 0; + } + RETURN(); +} + +/* shift right word */ +PPC_OP(srw) +{ + if (T1 & 0x20) { + T0 = 0; + } else { + T0 = T0 >> T1; + } + RETURN(); +} + +/*** Floating-Point arithmetic ***/ +/* fadd - fadd. */ +PPC_OP(fadd) +{ + FT0 += FT1; + RETURN(); +} + +/* fsub - fsub. */ +PPC_OP(fsub) +{ + FT0 -= FT1; + RETURN(); +} + +/* fmul - fmul. */ +PPC_OP(fmul) +{ + FT0 *= FT1; + RETURN(); +} + +/* fdiv - fdiv. */ +PPC_OP(fdiv) +{ + FT0 = float64_div(FT0, FT1, &env->fp_status); + RETURN(); +} + +/* fsqrt - fsqrt. */ +PPC_OP(fsqrt) +{ + do_fsqrt(); + RETURN(); +} + +/* fres - fres. */ +PPC_OP(fres) +{ + do_fres(); + RETURN(); +} + +/* frsqrte - frsqrte. */ +PPC_OP(frsqrte) +{ + do_frsqrte(); + RETURN(); +} + +/* fsel - fsel. */ +PPC_OP(fsel) +{ + do_fsel(); + RETURN(); +} + +/*** Floating-Point multiply-and-add ***/ +/* fmadd - fmadd. */ +PPC_OP(fmadd) +{ + FT0 = (FT0 * FT1) + FT2; + RETURN(); +} + +/* fmsub - fmsub. */ +PPC_OP(fmsub) +{ + FT0 = (FT0 * FT1) - FT2; + RETURN(); +} + +/* fnmadd - fnmadd. - fnmadds - fnmadds. */ +PPC_OP(fnmadd) +{ + do_fnmadd(); + RETURN(); +} + +/* fnmsub - fnmsub. */ +PPC_OP(fnmsub) +{ + do_fnmsub(); + RETURN(); +} + +/*** Floating-Point round & convert ***/ +/* frsp - frsp. */ +PPC_OP(frsp) +{ + FT0 = (float)FT0; + RETURN(); +} + +/* fctiw - fctiw. */ +PPC_OP(fctiw) +{ + do_fctiw(); + RETURN(); +} + +/* fctiwz - fctiwz. */ +PPC_OP(fctiwz) +{ + do_fctiwz(); + RETURN(); +} + + +/*** Floating-Point compare ***/ +/* fcmpu */ +PPC_OP(fcmpu) +{ + do_fcmpu(); + RETURN(); +} + +/* fcmpo */ +PPC_OP(fcmpo) +{ + do_fcmpo(); + RETURN(); +} + +/*** Floating-point move ***/ +/* fabs */ +PPC_OP(fabs) +{ + FT0 = float64_abs(FT0); + RETURN(); +} + +/* fnabs */ +PPC_OP(fnabs) +{ + FT0 = float64_abs(FT0); + FT0 = float64_chs(FT0); + RETURN(); +} + +/* fneg */ +PPC_OP(fneg) +{ + FT0 = float64_chs(FT0); + RETURN(); +} + +/* Load and store */ +#define MEMSUFFIX _raw +#include "op_mem.h" +#if !defined(CONFIG_USER_ONLY) +#define MEMSUFFIX _user +#include "op_mem.h" + +#define MEMSUFFIX _kernel +#include "op_mem.h" +#endif + +/* Special op to check and maybe clear reservation */ +PPC_OP(check_reservation) +{ + if ((uint32_t)env->reserve == (uint32_t)(T0 & ~0x00000003)) + env->reserve = -1; + RETURN(); +} + +/* Return from interrupt */ +void do_rfi (void); +void op_rfi (void) +{ + do_rfi(); + RETURN(); +} + +/* Trap word */ +void do_tw (uint32_t cmp, int flags); +void op_tw (void) +{ + do_tw(T1, PARAM(1)); + RETURN(); +} + +void op_twi (void) +{ + do_tw(PARAM(1), PARAM(2)); + RETURN(); +} + +/* Instruction cache block invalidate */ +PPC_OP(icbi) +{ + do_icbi(); + RETURN(); +} + +/* tlbia */ +PPC_OP(tlbia) +{ + do_tlbia(); + RETURN(); +} + +/* tlbie */ +PPC_OP(tlbie) +{ + do_tlbie(); + RETURN(); +} + +void op_store_pir (void) +{ + env->spr[SPR_PIR] = T0 & 0x0000000FUL; + RETURN(); +} diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c new file mode 100644 index 0000000..e949eb4 --- /dev/null +++ b/target-ppc/op_helper.c @@ -0,0 +1,589 @@ +/* + * PowerPC emulation helpers for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include "exec.h" + +#define MEMSUFFIX _raw +#include "op_helper_mem.h" +#if !defined(CONFIG_USER_ONLY) +#define MEMSUFFIX _user +#include "op_helper_mem.h" +#define MEMSUFFIX _kernel +#include "op_helper_mem.h" +#endif + +//#define DEBUG_OP +//#define DEBUG_EXCEPTIONS +//#define FLUSH_ALL_TLBS + +#define Ts0 (long)((target_long)T0) +#define Ts1 (long)((target_long)T1) +#define Ts2 (long)((target_long)T2) + +/*****************************************************************************/ +/* Exceptions processing helpers */ +void cpu_loop_exit(void) +{ + longjmp(env->jmp_env, 1); +} + +void do_raise_exception_err (uint32_t exception, int error_code) +{ +#if 0 + printf("Raise exception %3x code : %d\n", exception, error_code); +#endif + switch (exception) { + case EXCP_PROGRAM: + if (error_code == EXCP_FP && msr_fe0 == 0 && msr_fe1 == 0) + return; + break; + default: + break; +} + env->exception_index = exception; + env->error_code = error_code; + cpu_loop_exit(); + } + +void do_raise_exception (uint32_t exception) +{ + do_raise_exception_err(exception, 0); +} + +/*****************************************************************************/ +/* Fixed point operations helpers */ +void do_addo (void) +{ + T2 = T0; + T0 += T1; + if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } +} + +void do_addco (void) +{ + T2 = T0; + T0 += T1; + if (likely(T0 >= T2)) { + xer_ca = 0; + } else { + xer_ca = 1; + } + if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } +} + +void do_adde (void) +{ + T2 = T0; + T0 += T1 + xer_ca; + if (likely(!(T0 < T2 || (xer_ca == 1 && T0 == T2)))) { + xer_ca = 0; + } else { + xer_ca = 1; + } +} + +void do_addeo (void) +{ + T2 = T0; + T0 += T1 + xer_ca; + if (likely(!(T0 < T2 || (xer_ca == 1 && T0 == T2)))) { + xer_ca = 0; + } else { + xer_ca = 1; + } + if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } +} + +void do_addmeo (void) +{ + T1 = T0; + T0 += xer_ca + (-1); + if (likely(!(T1 & (T1 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } + if (likely(T1 != 0)) + xer_ca = 1; +} + +void do_addzeo (void) +{ + T1 = T0; + T0 += xer_ca; + if (likely(!((T1 ^ (-1)) & (T1 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } + if (likely(T0 >= T1)) { + xer_ca = 0; + } else { + xer_ca = 1; + } +} + +void do_divwo (void) +{ + if (likely(!((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0))) { + xer_ov = 0; + T0 = (Ts0 / Ts1); + } else { + xer_so = 1; + xer_ov = 1; + T0 = (-1) * ((uint32_t)T0 >> 31); + } +} + +void do_divwuo (void) +{ + if (likely((uint32_t)T1 != 0)) { + xer_ov = 0; + T0 = (uint32_t)T0 / (uint32_t)T1; + } else { + xer_so = 1; + xer_ov = 1; + T0 = 0; + } +} + +void do_mullwo (void) +{ + int64_t res = (int64_t)Ts0 * (int64_t)Ts1; + + if (likely((int32_t)res == res)) { + xer_ov = 0; + } else { + xer_ov = 1; + xer_so = 1; + } + T0 = (int32_t)res; +} + +void do_nego (void) +{ + if (likely(T0 != INT32_MIN)) { + xer_ov = 0; + T0 = -Ts0; + } else { + xer_ov = 1; + xer_so = 1; + } +} + +void do_subfo (void) +{ + T2 = T0; + T0 = T1 - T0; + if (likely(!(((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } + RETURN(); +} + +void do_subfco (void) +{ + T2 = T0; + T0 = T1 - T0; + if (likely(T0 > T1)) { + xer_ca = 0; + } else { + xer_ca = 1; + } + if (likely(!(((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } +} + +void do_subfe (void) +{ + T0 = T1 + ~T0 + xer_ca; + if (likely(T0 >= T1 && (xer_ca == 0 || T0 != T1))) { + xer_ca = 0; + } else { + xer_ca = 1; + } +} + +void do_subfeo (void) +{ + T2 = T0; + T0 = T1 + ~T0 + xer_ca; + if (likely(!((~T2 ^ T1 ^ (-1)) & (~T2 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } + if (likely(T0 >= T1 && (xer_ca == 0 || T0 != T1))) { + xer_ca = 0; + } else { + xer_ca = 1; + } +} + +void do_subfmeo (void) +{ + T1 = T0; + T0 = ~T0 + xer_ca - 1; + if (likely(!(~T1 & (~T1 ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_so = 1; + xer_ov = 1; + } + if (likely(T1 != -1)) + xer_ca = 1; +} + +void do_subfzeo (void) +{ + T1 = T0; + T0 = ~T0 + xer_ca; + if (likely(!((~T1 ^ (-1)) & ((~T1) ^ T0) & (1 << 31)))) { + xer_ov = 0; + } else { + xer_ov = 1; + xer_so = 1; + } + if (likely(T0 >= ~T1)) { + xer_ca = 0; + } else { + xer_ca = 1; + } +} + +/* shift right arithmetic helper */ +void do_sraw (void) +{ + int32_t ret; + + if (likely(!(T1 & 0x20UL))) { + if (likely(T1 != 0)) { + ret = (int32_t)T0 >> (T1 & 0x1fUL); + if (likely(ret >= 0 || ((int32_t)T0 & ((1 << T1) - 1)) == 0)) { + xer_ca = 0; + } else { + xer_ca = 1; + } + } else { + ret = T0; + xer_ca = 0; + } + } else { + ret = (-1) * ((uint32_t)T0 >> 31); + if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) { + xer_ca = 0; + } else { + xer_ca = 1; + } + } + T0 = ret; +} + +/*****************************************************************************/ +/* Floating point operations helpers */ +void do_fctiw (void) +{ + union { + double d; + uint64_t i; + } p; + + /* XXX: higher bits are not supposed to be significant. + * to make tests easier, return the same as a real PowerPC 750 (aka G3) + */ + p.i = float64_to_int32(FT0, &env->fp_status); + p.i |= 0xFFF80000ULL << 32; + FT0 = p.d; +} + +void do_fctiwz (void) +{ + union { + double d; + uint64_t i; + } p; + + /* XXX: higher bits are not supposed to be significant. + * to make tests easier, return the same as a real PowerPC 750 (aka G3) + */ + p.i = float64_to_int32_round_to_zero(FT0, &env->fp_status); + p.i |= 0xFFF80000ULL << 32; + FT0 = p.d; +} + +void do_fnmadd (void) +{ + FT0 = float64_mul(FT0, FT1, &env->fp_status); + FT0 = float64_add(FT0, FT2, &env->fp_status); + if (likely(!isnan(FT0))) + FT0 = float64_chs(FT0); +} + +void do_fnmsub (void) +{ + FT0 = float64_mul(FT0, FT1, &env->fp_status); + FT0 = float64_sub(FT0, FT2, &env->fp_status); + if (likely(!isnan(FT0))) + FT0 = float64_chs(FT0); +} + +void do_fsqrt (void) +{ + FT0 = float64_sqrt(FT0, &env->fp_status); +} + +void do_fres (void) +{ + union { + double d; + uint64_t i; + } p; + + if (likely(isnormal(FT0))) { + FT0 = (float)(1.0 / FT0); + } else { + p.d = FT0; + if (p.i == 0x8000000000000000ULL) { + p.i = 0xFFF0000000000000ULL; + } else if (p.i == 0x0000000000000000ULL) { + p.i = 0x7FF0000000000000ULL; + } else if (isnan(FT0)) { + p.i = 0x7FF8000000000000ULL; + } else if (FT0 < 0.0) { + p.i = 0x8000000000000000ULL; + } else { + p.i = 0x0000000000000000ULL; + } + FT0 = p.d; + } +} + +void do_frsqrte (void) +{ + union { + double d; + uint64_t i; + } p; + + if (likely(isnormal(FT0) && FT0 > 0.0)) { + FT0 = float64_sqrt(FT0, &env->fp_status); + FT0 = float32_div(1.0, FT0, &env->fp_status); + } else { + p.d = FT0; + if (p.i == 0x8000000000000000ULL) { + p.i = 0xFFF0000000000000ULL; + } else if (p.i == 0x0000000000000000ULL) { + p.i = 0x7FF0000000000000ULL; + } else if (isnan(FT0)) { + if (!(p.i & 0x0008000000000000ULL)) + p.i |= 0x000FFFFFFFFFFFFFULL; + } else if (FT0 < 0) { + p.i = 0x7FF8000000000000ULL; + } else { + p.i = 0x0000000000000000ULL; + } + FT0 = p.d; + } +} + +void do_fsel (void) +{ + if (FT0 >= 0) + FT0 = FT1; + else + FT0 = FT2; +} + +void do_fcmpu (void) +{ + if (likely(!isnan(FT0) && !isnan(FT1))) { + if (float64_lt(FT0, FT1, &env->fp_status)) { + T0 = 0x08UL; + } else if (!float64_le(FT0, FT1, &env->fp_status)) { + T0 = 0x04UL; + } else { + T0 = 0x02UL; + } + } else { + T0 = 0x01UL; + env->fpscr[4] |= 0x1; + env->fpscr[6] |= 0x1; + } + env->fpscr[3] = T0; +} + +void do_fcmpo (void) +{ + env->fpscr[4] &= ~0x1; + if (likely(!isnan(FT0) && !isnan(FT1))) { + if (float64_lt(FT0, FT1, &env->fp_status)) { + T0 = 0x08UL; + } else if (!float64_le(FT0, FT1, &env->fp_status)) { + T0 = 0x04UL; + } else { + T0 = 0x02UL; + } + } else { + T0 = 0x01UL; + env->fpscr[4] |= 0x1; + /* I don't know how to test "quiet" nan... */ + if (0 /* || ! quiet_nan(...) */) { + env->fpscr[6] |= 0x1; + if (!(env->fpscr[1] & 0x8)) + env->fpscr[4] |= 0x8; + } else { + env->fpscr[4] |= 0x8; + } + } + env->fpscr[3] = T0; +} + +void do_rfi (void) +{ + env->nip = env->spr[SPR_SRR0] & ~0x00000003; + T0 = env->spr[SPR_SRR1] & ~0xFFFF0000UL; + do_store_msr(env, T0); +#if defined (DEBUG_OP) + dump_rfi(); +#endif + env->interrupt_request |= CPU_INTERRUPT_EXITTB; +} + +void do_tw (uint32_t cmp, int flags) +{ + if (!likely(!((Ts0 < (int32_t)cmp && (flags & 0x10)) || + (Ts0 > (int32_t)cmp && (flags & 0x08)) || + (Ts0 == (int32_t)cmp && (flags & 0x04)) || + (T0 < cmp && (flags & 0x02)) || + (T0 > cmp && (flags & 0x01))))) + do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP); +} + +/* Instruction cache invalidation helper */ +void do_icbi (void) +{ + uint32_t tmp; + /* Invalidate one cache line : + * PowerPC specification says this is to be treated like a load + * (not a fetch) by the MMU. To be sure it will be so, + * do the load "by hand". + */ +#if defined(TARGET_PPC64) + if (!msr_sf) + T0 &= 0xFFFFFFFFULL; +#endif + tmp = ldl_kernel(T0); + T0 &= ~(ICACHE_LINE_SIZE - 1); + tb_invalidate_page_range(T0, T0 + ICACHE_LINE_SIZE); +} + +/*****************************************************************************/ +/* MMU related helpers */ +/* TLB invalidation helpers */ +void do_tlbia (void) +{ + tlb_flush(env, 1); +} + +void do_tlbie (void) +{ +#if !defined(FLUSH_ALL_TLBS) + tlb_flush_page(env, T0); +#else + do_tlbia(); +#endif +} + +/*****************************************************************************/ +/* Softmmu support */ +#if !defined (CONFIG_USER_ONLY) + +#define MMUSUFFIX _mmu +#define GETPC() (__builtin_return_address(0)) + +#define SHIFT 0 +#include "softmmu_template.h" + +#define SHIFT 1 +#include "softmmu_template.h" + +#define SHIFT 2 +#include "softmmu_template.h" + +#define SHIFT 3 +#include "softmmu_template.h" + +/* try to fill the TLB and return an exception if error. If retaddr is + NULL, it means that the function was called in C code (i.e. not + from generated code or from helper.c) */ +/* XXX: fix it to restore all registers */ +void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr) +{ + TranslationBlock *tb; + CPUState *saved_env; + target_phys_addr_t pc; + int ret; + + /* XXX: hack to restore env in all cases, even if not called from + generated code */ + saved_env = env; + env = cpu_single_env; + ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1); + if (!likely(ret == 0)) { + if (likely(retaddr)) { + /* now we have a real cpu fault */ + pc = (target_phys_addr_t)retaddr; + tb = tb_find_pc(pc); + if (likely(tb)) { + /* the PC is inside the translated code. It means that we have + a virtual CPU fault */ + cpu_restore_state(tb, env, pc, NULL); +} + } + do_raise_exception_err(env->exception_index, env->error_code); + } + env = saved_env; +} +#endif /* !CONFIG_USER_ONLY */ + diff --git a/target-ppc/op_helper_mem.h b/target-ppc/op_helper_mem.h new file mode 100644 index 0000000..fb90691 --- /dev/null +++ b/target-ppc/op_helper_mem.h @@ -0,0 +1,100 @@ +void glue(do_lsw, MEMSUFFIX) (int dst) +{ + uint32_t tmp; + int sh; + +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n", + __func__, T0, T1, dst); + } +#endif + for (; T1 > 3; T1 -= 4, T0 += 4) { + ugpr(dst++) = glue(ldl, MEMSUFFIX)(T0); + if (dst == 32) + dst = 0; + } + if (T1 > 0) { + tmp = 0; + for (sh = 24; T1 > 0; T1--, T0++, sh -= 8) { + tmp |= glue(ldub, MEMSUFFIX)(T0) << sh; + } + ugpr(dst) = tmp; + } +} + +void glue(do_stsw, MEMSUFFIX) (int src) +{ + int sh; + +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n", + __func__, T0, T1, src); + } +#endif + for (; T1 > 3; T1 -= 4, T0 += 4) { + glue(stl, MEMSUFFIX)(T0, ugpr(src++)); + if (src == 32) + src = 0; + } + if (T1 > 0) { + for (sh = 24; T1 > 0; T1--, T0++, sh -= 8) + glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF); + } +} + +void glue(do_lsw_le, MEMSUFFIX) (int dst) +{ + uint32_t tmp; + int sh; + +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n", + __func__, T0, T1, dst); + } +#endif + for (; T1 > 3; T1 -= 4, T0 += 4) { + tmp = glue(ldl, MEMSUFFIX)(T0); + ugpr(dst++) = ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) | + ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24); + if (dst == 32) + dst = 0; + } + if (T1 > 0) { + tmp = 0; + for (sh = 0; T1 > 0; T1--, T0++, sh += 8) { + tmp |= glue(ldub, MEMSUFFIX)(T0) << sh; + } + ugpr(dst) = tmp; + } +} + +void glue(do_stsw_le, MEMSUFFIX) (int src) +{ + uint32_t tmp; + int sh; + +#if 0 + if (loglevel > 0) { + fprintf(logfile, "%s: addr=0x%08x count=%d reg=%d\n", + __func__, T0, T1, src); + } +#endif + for (; T1 > 3; T1 -= 4, T0 += 4) { + tmp = ((ugpr(src++) & 0xFF000000) >> 24); + tmp |= ((ugpr(src++) & 0x00FF0000) >> 8); + tmp |= ((ugpr(src++) & 0x0000FF00) << 8); + tmp |= ((ugpr(src++) & 0x000000FF) << 24); + glue(stl, MEMSUFFIX)(T0, tmp); + if (src == 32) + src = 0; + } + if (T1 > 0) { + for (sh = 0; T1 > 0; T1--, T0++, sh += 8) + glue(stb, MEMSUFFIX)(T0, (ugpr(src) >> sh) & 0xFF); + } +} + +#undef MEMSUFFIX diff --git a/target-ppc/op_mem.h b/target-ppc/op_mem.h new file mode 100644 index 0000000..9b3f721 --- /dev/null +++ b/target-ppc/op_mem.h @@ -0,0 +1,371 @@ +/* External helpers */ +void glue(do_lsw, MEMSUFFIX) (int dst); +void glue(do_stsw, MEMSUFFIX) (int src); + +static inline uint16_t glue(ld16r, MEMSUFFIX) (target_ulong EA) +{ + uint16_t tmp = glue(lduw, MEMSUFFIX)(EA); + return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); +} + +static inline int32_t glue(ld16rs, MEMSUFFIX) (target_ulong EA) +{ + int16_t tmp = glue(lduw, MEMSUFFIX)(EA); + return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); +} + +static inline uint32_t glue(ld32r, MEMSUFFIX) (target_ulong EA) +{ + uint32_t tmp = glue(ldl, MEMSUFFIX)(EA); + return ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) | + ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24); +} + +static inline void glue(st16r, MEMSUFFIX) (target_ulong EA, uint16_t data) +{ + uint16_t tmp = ((data & 0xFF00) >> 8) | ((data & 0x00FF) << 8); + glue(stw, MEMSUFFIX)(EA, tmp); +} + +static inline void glue(st32r, MEMSUFFIX) (target_ulong EA, uint32_t data) +{ + uint32_t tmp = ((data & 0xFF000000) >> 24) | ((data & 0x00FF0000) >> 8) | + ((data & 0x0000FF00) << 8) | ((data & 0x000000FF) << 24); + glue(stl, MEMSUFFIX)(EA, tmp); +} + +/*** Integer load ***/ +#define PPC_LD_OP(name, op) \ +PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ +{ \ + T1 = glue(op, MEMSUFFIX)(T0); \ + RETURN(); \ +} + +#define PPC_ST_OP(name, op) \ +PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ +{ \ + glue(op, MEMSUFFIX)(T0, T1); \ + RETURN(); \ +} + +PPC_LD_OP(bz, ldub); +PPC_LD_OP(ha, ldsw); +PPC_LD_OP(hz, lduw); +PPC_LD_OP(wz, ldl); + +PPC_LD_OP(ha_le, ld16rs); +PPC_LD_OP(hz_le, ld16r); +PPC_LD_OP(wz_le, ld32r); + +/*** Integer store ***/ +PPC_ST_OP(b, stb); +PPC_ST_OP(h, stw); +PPC_ST_OP(w, stl); + +PPC_ST_OP(h_le, st16r); +PPC_ST_OP(w_le, st32r); + +/*** Integer load and store with byte reverse ***/ +PPC_LD_OP(hbr, ld16r); +PPC_LD_OP(wbr, ld32r); +PPC_ST_OP(hbr, st16r); +PPC_ST_OP(wbr, st32r); + +PPC_LD_OP(hbr_le, lduw); +PPC_LD_OP(wbr_le, ldl); +PPC_ST_OP(hbr_le, stw); +PPC_ST_OP(wbr_le, stl); + +/*** Integer load and store multiple ***/ +PPC_OP(glue(lmw, MEMSUFFIX)) +{ + int dst = PARAM(1); + + for (; dst < 32; dst++, T0 += 4) { + ugpr(dst) = glue(ldl, MEMSUFFIX)(T0); + } + RETURN(); +} + +PPC_OP(glue(stmw, MEMSUFFIX)) +{ + int src = PARAM(1); + + for (; src < 32; src++, T0 += 4) { + glue(stl, MEMSUFFIX)(T0, ugpr(src)); + } + RETURN(); +} + +PPC_OP(glue(lmw_le, MEMSUFFIX)) +{ + int dst = PARAM(1); + + for (; dst < 32; dst++, T0 += 4) { + ugpr(dst) = glue(ld32r, MEMSUFFIX)(T0); + } + RETURN(); +} + +PPC_OP(glue(stmw_le, MEMSUFFIX)) +{ + int src = PARAM(1); + + for (; src < 32; src++, T0 += 4) { + glue(st32r, MEMSUFFIX)(T0, ugpr(src)); + } + RETURN(); +} + +/*** Integer load and store strings ***/ +PPC_OP(glue(lswi, MEMSUFFIX)) +{ + glue(do_lsw, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +void glue(do_lsw_le, MEMSUFFIX) (int dst); +PPC_OP(glue(lswi_le, MEMSUFFIX)) +{ + glue(do_lsw_le, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +/* PPC32 specification says we must generate an exception if + * rA is in the range of registers to be loaded. + * In an other hand, IBM says this is valid, but rA won't be loaded. + * For now, I'll follow the spec... + */ +PPC_OP(glue(lswx, MEMSUFFIX)) +{ + if (T1 > 0) { + if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || + (PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { + do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); + } else { + glue(do_lsw, MEMSUFFIX)(PARAM(1)); + } + } + RETURN(); +} + +PPC_OP(glue(lswx_le, MEMSUFFIX)) +{ + if (T1 > 0) { + if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || + (PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { + do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); + } else { + glue(do_lsw_le, MEMSUFFIX)(PARAM(1)); + } + } + RETURN(); +} + +PPC_OP(glue(stsw, MEMSUFFIX)) +{ + glue(do_stsw, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +void glue(do_stsw_le, MEMSUFFIX) (int src); +PPC_OP(glue(stsw_le, MEMSUFFIX)) +{ + glue(do_stsw_le, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +/*** Floating-point store ***/ +#define PPC_STF_OP(name, op) \ +PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ +{ \ + glue(op, MEMSUFFIX)(T0, FT1); \ + RETURN(); \ +} + +PPC_STF_OP(fd, stfq); +PPC_STF_OP(fs, stfl); + +static inline void glue(stfqr, MEMSUFFIX) (target_ulong EA, double d) +{ + union { + double d; + uint64_t u; + } u; + + u.d = d; + u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | + ((u.u & 0x00FF000000000000ULL) >> 40) | + ((u.u & 0x0000FF0000000000ULL) >> 24) | + ((u.u & 0x000000FF00000000ULL) >> 8) | + ((u.u & 0x00000000FF000000ULL) << 8) | + ((u.u & 0x0000000000FF0000ULL) << 24) | + ((u.u & 0x000000000000FF00ULL) << 40) | + ((u.u & 0x00000000000000FFULL) << 56); + glue(stfq, MEMSUFFIX)(EA, u.d); +} + +static inline void glue(stflr, MEMSUFFIX) (target_ulong EA, float f) +{ + union { + float f; + uint32_t u; + } u; + + u.f = f; + u.u = ((u.u & 0xFF000000UL) >> 24) | + ((u.u & 0x00FF0000ULL) >> 8) | + ((u.u & 0x0000FF00UL) << 8) | + ((u.u & 0x000000FFULL) << 24); + glue(stfl, MEMSUFFIX)(EA, u.f); +} + +PPC_STF_OP(fd_le, stfqr); +PPC_STF_OP(fs_le, stflr); + +/*** Floating-point load ***/ +#define PPC_LDF_OP(name, op) \ +PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ +{ \ + FT1 = glue(op, MEMSUFFIX)(T0); \ + RETURN(); \ +} + +PPC_LDF_OP(fd, ldfq); +PPC_LDF_OP(fs, ldfl); + +static inline double glue(ldfqr, MEMSUFFIX) (target_ulong EA) +{ + union { + double d; + uint64_t u; + } u; + + u.d = glue(ldfq, MEMSUFFIX)(EA); + u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | + ((u.u & 0x00FF000000000000ULL) >> 40) | + ((u.u & 0x0000FF0000000000ULL) >> 24) | + ((u.u & 0x000000FF00000000ULL) >> 8) | + ((u.u & 0x00000000FF000000ULL) << 8) | + ((u.u & 0x0000000000FF0000ULL) << 24) | + ((u.u & 0x000000000000FF00ULL) << 40) | + ((u.u & 0x00000000000000FFULL) << 56); + + return u.d; +} + +static inline float glue(ldflr, MEMSUFFIX) (target_ulong EA) +{ + union { + float f; + uint32_t u; + } u; + + u.f = glue(ldfl, MEMSUFFIX)(EA); + u.u = ((u.u & 0xFF000000UL) >> 24) | + ((u.u & 0x00FF0000ULL) >> 8) | + ((u.u & 0x0000FF00UL) << 8) | + ((u.u & 0x000000FFULL) << 24); + + return u.f; +} + +PPC_LDF_OP(fd_le, ldfqr); +PPC_LDF_OP(fs_le, ldflr); + +/* Load and set reservation */ +PPC_OP(glue(lwarx, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + T1 = glue(ldl, MEMSUFFIX)(T0); + regs->reserve = T0; + } + RETURN(); +} + +PPC_OP(glue(lwarx_le, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + T1 = glue(ld32r, MEMSUFFIX)(T0); + regs->reserve = T0; + } + RETURN(); +} + +/* Store with reservation */ +PPC_OP(glue(stwcx, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + if (regs->reserve != T0) { + env->crf[0] = xer_ov; + } else { + glue(stl, MEMSUFFIX)(T0, T1); + env->crf[0] = xer_ov | 0x02; + } + } + regs->reserve = 0; + RETURN(); +} + +PPC_OP(glue(stwcx_le, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + if (regs->reserve != T0) { + env->crf[0] = xer_ov; + } else { + glue(st32r, MEMSUFFIX)(T0, T1); + env->crf[0] = xer_ov | 0x02; + } + } + regs->reserve = 0; + RETURN(); +} + +PPC_OP(glue(dcbz, MEMSUFFIX)) +{ + glue(stl, MEMSUFFIX)(T0 + 0x00, 0); + glue(stl, MEMSUFFIX)(T0 + 0x04, 0); + glue(stl, MEMSUFFIX)(T0 + 0x08, 0); + glue(stl, MEMSUFFIX)(T0 + 0x0C, 0); + glue(stl, MEMSUFFIX)(T0 + 0x10, 0); + glue(stl, MEMSUFFIX)(T0 + 0x14, 0); + glue(stl, MEMSUFFIX)(T0 + 0x18, 0); + glue(stl, MEMSUFFIX)(T0 + 0x1C, 0); + RETURN(); +} + +/* External access */ +PPC_OP(glue(eciwx, MEMSUFFIX)) +{ + T1 = glue(ldl, MEMSUFFIX)(T0); + RETURN(); +} + +PPC_OP(glue(ecowx, MEMSUFFIX)) +{ + glue(stl, MEMSUFFIX)(T0, T1); + RETURN(); +} + +PPC_OP(glue(eciwx_le, MEMSUFFIX)) +{ + T1 = glue(ld32r, MEMSUFFIX)(T0); + RETURN(); +} + +PPC_OP(glue(ecowx_le, MEMSUFFIX)) +{ + glue(st32r, MEMSUFFIX)(T0, T1); + RETURN(); +} + +#undef MEMSUFFIX diff --git a/target-ppc/op_template.h b/target-ppc/op_template.h new file mode 100644 index 0000000..1be640d --- /dev/null +++ b/target-ppc/op_template.h @@ -0,0 +1,183 @@ +/* + * PowerPC emulation micro-operations for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* General purpose registers moves */ +void OPPROTO glue(op_load_gpr_T0_gpr, REG)(void) +{ + T0 = regs->gpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_load_gpr_T1_gpr, REG)(void) +{ + T1 = regs->gpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_load_gpr_T2_gpr, REG)(void) +{ + T2 = regs->gpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_T0_gpr_gpr, REG)(void) +{ + regs->gpr[REG] = T0; + RETURN(); +} + +void OPPROTO glue(op_store_T1_gpr_gpr, REG)(void) +{ + regs->gpr[REG] = T1; + RETURN(); +} + +void OPPROTO glue(op_store_T2_gpr_gpr, REG)(void) +{ + regs->gpr[REG] = T2; + RETURN(); +} + +#if REG <= 7 +/* Condition register moves */ +void OPPROTO glue(op_load_crf_T0_crf, REG)(void) +{ + T0 = regs->crf[REG]; + RETURN(); +} + +void OPPROTO glue(op_load_crf_T1_crf, REG)(void) +{ + T1 = regs->crf[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_T0_crf_crf, REG)(void) +{ + regs->crf[REG] = T0; + RETURN(); +} + +void OPPROTO glue(op_store_T1_crf_crf, REG)(void) +{ + regs->crf[REG] = T1; + RETURN(); +} + +/* Floating point condition and status register moves */ +void OPPROTO glue(op_load_fpscr_T0_fpscr, REG)(void) +{ + T0 = regs->fpscr[REG]; + RETURN(); +} + +#if REG == 0 +void OPPROTO glue(op_store_T0_fpscr_fpscr, REG)(void) +{ + regs->fpscr[REG] = (regs->fpscr[REG] & 0x9) | (T0 & ~0x9); + RETURN(); +} + +void OPPROTO glue(op_store_T0_fpscri_fpscr, REG)(void) +{ + regs->fpscr[REG] = (regs->fpscr[REG] & ~0x9) | (PARAM(1) & 0x9); + RETURN(); +} + +void OPPROTO glue(op_clear_fpscr_fpscr, REG)(void) +{ + regs->fpscr[REG] = (regs->fpscr[REG] & 0x9); + RETURN(); +} +#else +void OPPROTO glue(op_store_T0_fpscr_fpscr, REG)(void) +{ + regs->fpscr[REG] = T0; + RETURN(); +} + +void OPPROTO glue(op_store_T0_fpscri_fpscr, REG)(void) +{ + regs->fpscr[REG] = PARAM(1); + RETURN(); +} + +void OPPROTO glue(op_clear_fpscr_fpscr, REG)(void) +{ + regs->fpscr[REG] = 0x0; + RETURN(); +} +#endif + +#endif /* REG <= 7 */ + +/* floating point registers moves */ +void OPPROTO glue(op_load_fpr_FT0_fpr, REG)(void) +{ + FT0 = env->fpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_FT0_fpr_fpr, REG)(void) +{ + env->fpr[REG] = FT0; + RETURN(); +} + +void OPPROTO glue(op_load_fpr_FT1_fpr, REG)(void) +{ + FT1 = env->fpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_FT1_fpr_fpr, REG)(void) +{ + env->fpr[REG] = FT1; + RETURN(); +} + +void OPPROTO glue(op_load_fpr_FT2_fpr, REG)(void) +{ + FT2 = env->fpr[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_FT2_fpr_fpr, REG)(void) +{ + env->fpr[REG] = FT2; + RETURN(); +} + +#if REG <= 15 +/* Segment register moves */ +void OPPROTO glue(op_load_sr, REG)(void) +{ + T0 = env->sr[REG]; + RETURN(); +} + +void OPPROTO glue(op_store_sr, REG)(void) +{ + do_store_sr(env, REG, T0); + RETURN(); +} +#endif + +#undef REG diff --git a/target-ppc/translate.c b/target-ppc/translate.c new file mode 100644 index 0000000..046f168 --- /dev/null +++ b/target-ppc/translate.c @@ -0,0 +1,2701 @@ +/* + * PowerPC emulation for qemu: main translation routines. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <inttypes.h> + +#include "cpu.h" +#include "exec-all.h" +#include "disas.h" + +//#define DO_SINGLE_STEP +//#define PPC_DEBUG_DISAS + +#ifdef USE_DIRECT_JUMP +#define TBPARAM(x) +#else +#define TBPARAM(x) (long)(x) +#endif + +enum { +#define DEF(s, n, copy_size) INDEX_op_ ## s, +#include "opc.h" +#undef DEF + NB_OPS, +}; + +static uint16_t *gen_opc_ptr; +static uint32_t *gen_opparam_ptr; + +#include "gen-op.h" + +#define GEN8(func, NAME) \ +static GenOpFunc *NAME ## _table [8] = { \ +NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ +NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ +}; \ +static inline void func(int n) \ +{ \ + NAME ## _table[n](); \ +} + +#define GEN16(func, NAME) \ +static GenOpFunc *NAME ## _table [16] = { \ +NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ +NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ +NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ +NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ +}; \ +static inline void func(int n) \ +{ \ + NAME ## _table[n](); \ +} + +#define GEN32(func, NAME) \ +static GenOpFunc *NAME ## _table [32] = { \ +NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ +NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ +NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ +NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ +NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ +NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ +NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ +NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ +}; \ +static inline void func(int n) \ +{ \ + NAME ## _table[n](); \ +} + +/* Condition register moves */ +GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf); +GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf); +GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf); +GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf); + +/* Floating point condition and status register moves */ +GEN8(gen_op_load_fpscr_T0, gen_op_load_fpscr_T0_fpscr); +GEN8(gen_op_store_T0_fpscr, gen_op_store_T0_fpscr_fpscr); +GEN8(gen_op_clear_fpscr, gen_op_clear_fpscr_fpscr); +static GenOpFunc1 *gen_op_store_T0_fpscri_fpscr_table[8] = { + &gen_op_store_T0_fpscri_fpscr0, + &gen_op_store_T0_fpscri_fpscr1, + &gen_op_store_T0_fpscri_fpscr2, + &gen_op_store_T0_fpscri_fpscr3, + &gen_op_store_T0_fpscri_fpscr4, + &gen_op_store_T0_fpscri_fpscr5, + &gen_op_store_T0_fpscri_fpscr6, + &gen_op_store_T0_fpscri_fpscr7, +}; +static inline void gen_op_store_T0_fpscri(int n, uint8_t param) +{ + (*gen_op_store_T0_fpscri_fpscr_table[n])(param); +} + +/* Segment register moves */ +GEN16(gen_op_load_sr, gen_op_load_sr); +GEN16(gen_op_store_sr, gen_op_store_sr); + +/* General purpose registers moves */ +GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); +GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); +GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); + +GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); +GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); +GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr); + +/* floating point registers moves */ +GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fpr); +GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fpr); +GEN32(gen_op_load_fpr_FT2, gen_op_load_fpr_FT2_fpr); +GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fpr); +GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fpr); +GEN32(gen_op_store_FT2_fpr, gen_op_store_FT2_fpr_fpr); + +static uint8_t spr_access[1024 / 2]; + +/* internal defines */ +typedef struct DisasContext { + struct TranslationBlock *tb; + target_ulong nip; + uint32_t opcode; + uint32_t exception; + /* Routine used to access memory */ + int mem_idx; + /* Translation flags */ +#if !defined(CONFIG_USER_ONLY) + int supervisor; +#endif + int fpu_enabled; + ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ + int singlestep_enabled; +} DisasContext; + +struct opc_handler_t { + /* invalid bits */ + uint32_t inval; + /* instruction type */ + uint32_t type; + /* handler */ + void (*handler)(DisasContext *ctx); +}; + +#define RET_EXCP(ctx, excp, error) \ +do { \ + if ((ctx)->exception == EXCP_NONE) { \ + gen_op_update_nip((ctx)->nip); \ + } \ + gen_op_raise_exception_err((excp), (error)); \ + ctx->exception = (excp); \ +} while (0) + +#define RET_INVAL(ctx) \ +RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL) + +#define RET_PRIVOPC(ctx) \ +RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_OPC) + +#define RET_PRIVREG(ctx) \ +RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG) + +/* Stop translation */ +static inline void RET_STOP (DisasContext *ctx) +{ + gen_op_update_nip((ctx)->nip); + ctx->exception = EXCP_MTMSR; +} + +/* No need to update nip here, as execution flow will change */ +static inline void RET_CHG_FLOW (DisasContext *ctx) +{ + ctx->exception = EXCP_MTMSR; +} + +#define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ +static void gen_##name (DisasContext *ctx); \ +GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \ +static void gen_##name (DisasContext *ctx) + +typedef struct opcode_t { + unsigned char opc1, opc2, opc3; +#if HOST_LONG_BITS == 64 /* Explicitely align to 64 bits */ + unsigned char pad[5]; +#else + unsigned char pad[1]; +#endif + opc_handler_t handler; + const unsigned char *oname; +} opcode_t; + +/*** Instruction decoding ***/ +#define EXTRACT_HELPER(name, shift, nb) \ +static inline uint32_t name (uint32_t opcode) \ +{ \ + return (opcode >> (shift)) & ((1 << (nb)) - 1); \ +} + +#define EXTRACT_SHELPER(name, shift, nb) \ +static inline int32_t name (uint32_t opcode) \ +{ \ + return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \ +} + +/* Opcode part 1 */ +EXTRACT_HELPER(opc1, 26, 6); +/* Opcode part 2 */ +EXTRACT_HELPER(opc2, 1, 5); +/* Opcode part 3 */ +EXTRACT_HELPER(opc3, 6, 5); +/* Update Cr0 flags */ +EXTRACT_HELPER(Rc, 0, 1); +/* Destination */ +EXTRACT_HELPER(rD, 21, 5); +/* Source */ +EXTRACT_HELPER(rS, 21, 5); +/* First operand */ +EXTRACT_HELPER(rA, 16, 5); +/* Second operand */ +EXTRACT_HELPER(rB, 11, 5); +/* Third operand */ +EXTRACT_HELPER(rC, 6, 5); +/*** Get CRn ***/ +EXTRACT_HELPER(crfD, 23, 3); +EXTRACT_HELPER(crfS, 18, 3); +EXTRACT_HELPER(crbD, 21, 5); +EXTRACT_HELPER(crbA, 16, 5); +EXTRACT_HELPER(crbB, 11, 5); +/* SPR / TBL */ +EXTRACT_HELPER(_SPR, 11, 10); +static inline uint32_t SPR (uint32_t opcode) +{ + uint32_t sprn = _SPR(opcode); + + return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); +} +/*** Get constants ***/ +EXTRACT_HELPER(IMM, 12, 8); +/* 16 bits signed immediate value */ +EXTRACT_SHELPER(SIMM, 0, 16); +/* 16 bits unsigned immediate value */ +EXTRACT_HELPER(UIMM, 0, 16); +/* Bit count */ +EXTRACT_HELPER(NB, 11, 5); +/* Shift count */ +EXTRACT_HELPER(SH, 11, 5); +/* Mask start */ +EXTRACT_HELPER(MB, 6, 5); +/* Mask end */ +EXTRACT_HELPER(ME, 1, 5); +/* Trap operand */ +EXTRACT_HELPER(TO, 21, 5); + +EXTRACT_HELPER(CRM, 12, 8); +EXTRACT_HELPER(FM, 17, 8); +EXTRACT_HELPER(SR, 16, 4); +EXTRACT_HELPER(FPIMM, 20, 4); + +/*** Jump target decoding ***/ +/* Displacement */ +EXTRACT_SHELPER(d, 0, 16); +/* Immediate address */ +static inline uint32_t LI (uint32_t opcode) +{ + return (opcode >> 0) & 0x03FFFFFC; +} + +static inline uint32_t BD (uint32_t opcode) +{ + return (opcode >> 0) & 0xFFFC; +} + +EXTRACT_HELPER(BO, 21, 5); +EXTRACT_HELPER(BI, 16, 5); +/* Absolute/relative address */ +EXTRACT_HELPER(AA, 1, 1); +/* Link */ +EXTRACT_HELPER(LK, 0, 1); + +/* Create a mask between <start> and <end> bits */ +static inline uint32_t MASK (uint32_t start, uint32_t end) +{ + uint32_t ret; + + ret = (((uint32_t)(-1)) >> (start)) ^ (((uint32_t)(-1) >> (end)) >> 1); + if (start > end) + return ~ret; + + return ret; +} + +#if HOST_LONG_BITS == 64 +#define OPC_ALIGN 8 +#else +#define OPC_ALIGN 4 +#endif +#if defined(__APPLE__) +#define OPCODES_SECTION \ + __attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) )) +#else +#define OPCODES_SECTION \ + __attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) )) +#endif + +#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ +OPCODES_SECTION opcode_t opc_##name = { \ + .opc1 = op1, \ + .opc2 = op2, \ + .opc3 = op3, \ + .pad = { 0, }, \ + .handler = { \ + .inval = invl, \ + .type = _typ, \ + .handler = &gen_##name, \ + }, \ + .oname = stringify(name), \ +} + +#define GEN_OPCODE_MARK(name) \ +OPCODES_SECTION opcode_t opc_##name = { \ + .opc1 = 0xFF, \ + .opc2 = 0xFF, \ + .opc3 = 0xFF, \ + .pad = { 0, }, \ + .handler = { \ + .inval = 0x00000000, \ + .type = 0x00, \ + .handler = NULL, \ + }, \ + .oname = stringify(name), \ +} + +/* Start opcode list */ +GEN_OPCODE_MARK(start); + +/* Invalid instruction */ +GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE) +{ + RET_INVAL(ctx); +} + +static opc_handler_t invalid_handler = { + .inval = 0xFFFFFFFF, + .type = PPC_NONE, + .handler = gen_invalid, +}; + +/*** Integer arithmetic ***/ +#define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval) \ +GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rD(ctx->opcode)); \ +} + +#define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval) \ +GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rD(ctx->opcode)); \ +} + +#define __GEN_INT_ARITH1(name, opc1, opc2, opc3) \ +GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rD(ctx->opcode)); \ +} +#define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3) \ +GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rD(ctx->opcode)); \ +} + +/* Two operands arithmetic functions */ +#define GEN_INT_ARITH2(name, opc1, opc2, opc3) \ +__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000) \ +__GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000) + +/* Two operands arithmetic functions with no overflow allowed */ +#define GEN_INT_ARITHN(name, opc1, opc2, opc3) \ +__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400) + +/* One operand arithmetic functions */ +#define GEN_INT_ARITH1(name, opc1, opc2, opc3) \ +__GEN_INT_ARITH1(name, opc1, opc2, opc3) \ +__GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10) + +/* add add. addo addo. */ +GEN_INT_ARITH2 (add, 0x1F, 0x0A, 0x08); +/* addc addc. addco addco. */ +GEN_INT_ARITH2 (addc, 0x1F, 0x0A, 0x00); +/* adde adde. addeo addeo. */ +GEN_INT_ARITH2 (adde, 0x1F, 0x0A, 0x04); +/* addme addme. addmeo addmeo. */ +GEN_INT_ARITH1 (addme, 0x1F, 0x0A, 0x07); +/* addze addze. addzeo addzeo. */ +GEN_INT_ARITH1 (addze, 0x1F, 0x0A, 0x06); +/* divw divw. divwo divwo. */ +GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F); +/* divwu divwu. divwuo divwuo. */ +GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E); +/* mulhw mulhw. */ +GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02); +/* mulhwu mulhwu. */ +GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00); +/* mullw mullw. mullwo mullwo. */ +GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07); +/* neg neg. nego nego. */ +GEN_INT_ARITH1 (neg, 0x1F, 0x08, 0x03); +/* subf subf. subfo subfo. */ +GEN_INT_ARITH2 (subf, 0x1F, 0x08, 0x01); +/* subfc subfc. subfco subfco. */ +GEN_INT_ARITH2 (subfc, 0x1F, 0x08, 0x00); +/* subfe subfe. subfeo subfeo. */ +GEN_INT_ARITH2 (subfe, 0x1F, 0x08, 0x04); +/* subfme subfme. subfmeo subfmeo. */ +GEN_INT_ARITH1 (subfme, 0x1F, 0x08, 0x07); +/* subfze subfze. subfzeo subfzeo. */ +GEN_INT_ARITH1 (subfze, 0x1F, 0x08, 0x06); +/* addi */ +GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + int32_t simm = SIMM(ctx->opcode); + + if (rA(ctx->opcode) == 0) { + gen_op_set_T0(simm); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_addi(simm); + } + gen_op_store_T0_gpr(rD(ctx->opcode)); +} +/* addic */ +GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_addic(SIMM(ctx->opcode)); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} +/* addic. */ +GEN_HANDLER(addic_, 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_addic(SIMM(ctx->opcode)); + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} +/* addis */ +GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + int32_t simm = SIMM(ctx->opcode); + + if (rA(ctx->opcode) == 0) { + gen_op_set_T0(simm << 16); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_addi(simm << 16); + } + gen_op_store_T0_gpr(rD(ctx->opcode)); +} +/* mulli */ +GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_mulli(SIMM(ctx->opcode)); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} +/* subfic */ +GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_subfic(SIMM(ctx->opcode)); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} + +/*** Integer comparison ***/ +#define GEN_CMP(name, opc) \ +GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_##name(); \ + gen_op_store_T0_crf(crfD(ctx->opcode)); \ +} + +/* cmp */ +GEN_CMP(cmp, 0x00); +/* cmpi */ +GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_cmpi(SIMM(ctx->opcode)); + gen_op_store_T0_crf(crfD(ctx->opcode)); +} +/* cmpl */ +GEN_CMP(cmpl, 0x01); +/* cmpli */ +GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_cmpli(UIMM(ctx->opcode)); + gen_op_store_T0_crf(crfD(ctx->opcode)); +} + +/*** Integer logical ***/ +#define __GEN_LOGICAL2(name, opc2, opc3) \ +GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rS(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} +#define GEN_LOGICAL2(name, opc) \ +__GEN_LOGICAL2(name, 0x1C, opc) + +#define GEN_LOGICAL1(name, opc) \ +GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, PPC_INTEGER) \ +{ \ + gen_op_load_gpr_T0(rS(ctx->opcode)); \ + gen_op_##name(); \ + if (Rc(ctx->opcode) != 0) \ + gen_op_set_Rc0(); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +/* and & and. */ +GEN_LOGICAL2(and, 0x00); +/* andc & andc. */ +GEN_LOGICAL2(andc, 0x01); +/* andi. */ +GEN_HANDLER(andi_, 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_andi_(UIMM(ctx->opcode)); + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* andis. */ +GEN_HANDLER(andis_, 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_andi_(UIMM(ctx->opcode) << 16); + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} + +/* cntlzw */ +GEN_LOGICAL1(cntlzw, 0x00); +/* eqv & eqv. */ +GEN_LOGICAL2(eqv, 0x08); +/* extsb & extsb. */ +GEN_LOGICAL1(extsb, 0x1D); +/* extsh & extsh. */ +GEN_LOGICAL1(extsh, 0x1C); +/* nand & nand. */ +GEN_LOGICAL2(nand, 0x0E); +/* nor & nor. */ +GEN_LOGICAL2(nor, 0x03); + +/* or & or. */ +GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + /* Optimisation for mr case */ + if (rS(ctx->opcode) != rB(ctx->opcode)) { + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_or(); + } + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} + +/* orc & orc. */ +GEN_LOGICAL2(orc, 0x0C); +/* xor & xor. */ +GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + /* Optimisation for "set to zero" case */ + if (rS(ctx->opcode) != rB(ctx->opcode)) { + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_xor(); + } else { + gen_op_set_T0(0); + } + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* ori */ +GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t uimm = UIMM(ctx->opcode); + + if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { + /* NOP */ + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + if (uimm != 0) + gen_op_ori(uimm); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* oris */ +GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t uimm = UIMM(ctx->opcode); + + if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { + /* NOP */ + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + if (uimm != 0) + gen_op_ori(uimm << 16); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* xori */ +GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t uimm = UIMM(ctx->opcode); + + if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { + /* NOP */ + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + if (uimm != 0) + gen_op_xori(uimm); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} + +/* xoris */ +GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t uimm = UIMM(ctx->opcode); + + if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { + /* NOP */ + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + if (uimm != 0) + gen_op_xori(uimm << 16); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} + +/*** Integer rotate ***/ +/* rlwimi & rlwimi. */ +GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t mb, me; + + mb = MB(ctx->opcode); + me = ME(ctx->opcode); + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_load_gpr_T1(rA(ctx->opcode)); + gen_op_rlwimi(SH(ctx->opcode), MASK(mb, me), ~MASK(mb, me)); + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* rlwinm & rlwinm. */ +GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t mb, me, sh; + + sh = SH(ctx->opcode); + mb = MB(ctx->opcode); + me = ME(ctx->opcode); + gen_op_load_gpr_T0(rS(ctx->opcode)); +#if 1 // TRY + if (sh == 0) { + gen_op_andi_(MASK(mb, me)); + goto store; + } +#endif + if (mb == 0) { + if (me == 31) { + gen_op_rotlwi(sh); + goto store; +#if 0 + } else if (me == (31 - sh)) { + gen_op_slwi(sh); + goto store; +#endif + } + } else if (me == 31) { +#if 0 + if (sh == (32 - mb)) { + gen_op_srwi(mb); + goto store; + } +#endif + } + gen_op_rlwinm(sh, MASK(mb, me)); +store: + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* rlwnm & rlwnm. */ +GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + uint32_t mb, me; + + mb = MB(ctx->opcode); + me = ME(ctx->opcode); + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + if (mb == 0 && me == 31) { + gen_op_rotl(); + } else + { + gen_op_rlwnm(MASK(mb, me)); + } + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} + +/*** Integer shift ***/ +/* slw & slw. */ +__GEN_LOGICAL2(slw, 0x18, 0x00); +/* sraw & sraw. */ +__GEN_LOGICAL2(sraw, 0x18, 0x18); +/* srawi & srawi. */ +GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + if (SH(ctx->opcode) != 0) + gen_op_srawi(SH(ctx->opcode), MASK(32 - SH(ctx->opcode), 31)); + if (Rc(ctx->opcode) != 0) + gen_op_set_Rc0(); + gen_op_store_T0_gpr(rA(ctx->opcode)); +} +/* srw & srw. */ +__GEN_LOGICAL2(srw, 0x18, 0x10); + +/*** Floating-Point arithmetic ***/ +#define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat) \ +GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + gen_op_reset_scrfx(); \ + gen_op_load_fpr_FT0(rA(ctx->opcode)); \ + gen_op_load_fpr_FT1(rC(ctx->opcode)); \ + gen_op_load_fpr_FT2(rB(ctx->opcode)); \ + gen_op_f##op(); \ + if (isfloat) { \ + gen_op_frsp(); \ + } \ + gen_op_store_FT0_fpr(rD(ctx->opcode)); \ + if (Rc(ctx->opcode)) \ + gen_op_set_Rc1(); \ +} + +#define GEN_FLOAT_ACB(name, op2) \ +_GEN_FLOAT_ACB(name, name, 0x3F, op2, 0); \ +_GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1); + +#define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat) \ +GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + gen_op_reset_scrfx(); \ + gen_op_load_fpr_FT0(rA(ctx->opcode)); \ + gen_op_load_fpr_FT1(rB(ctx->opcode)); \ + gen_op_f##op(); \ + if (isfloat) { \ + gen_op_frsp(); \ + } \ + gen_op_store_FT0_fpr(rD(ctx->opcode)); \ + if (Rc(ctx->opcode)) \ + gen_op_set_Rc1(); \ +} +#define GEN_FLOAT_AB(name, op2, inval) \ +_GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0); \ +_GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1); + +#define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat) \ +GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + gen_op_reset_scrfx(); \ + gen_op_load_fpr_FT0(rA(ctx->opcode)); \ + gen_op_load_fpr_FT1(rC(ctx->opcode)); \ + gen_op_f##op(); \ + if (isfloat) { \ + gen_op_frsp(); \ + } \ + gen_op_store_FT0_fpr(rD(ctx->opcode)); \ + if (Rc(ctx->opcode)) \ + gen_op_set_Rc1(); \ +} +#define GEN_FLOAT_AC(name, op2, inval) \ +_GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0); \ +_GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1); + +#define GEN_FLOAT_B(name, op2, op3) \ +GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + gen_op_reset_scrfx(); \ + gen_op_load_fpr_FT0(rB(ctx->opcode)); \ + gen_op_f##name(); \ + gen_op_store_FT0_fpr(rD(ctx->opcode)); \ + if (Rc(ctx->opcode)) \ + gen_op_set_Rc1(); \ +} + +#define GEN_FLOAT_BS(name, op1, op2) \ +GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + gen_op_reset_scrfx(); \ + gen_op_load_fpr_FT0(rB(ctx->opcode)); \ + gen_op_f##name(); \ + gen_op_store_FT0_fpr(rD(ctx->opcode)); \ + if (Rc(ctx->opcode)) \ + gen_op_set_Rc1(); \ +} + +/* fadd - fadds */ +GEN_FLOAT_AB(add, 0x15, 0x000007C0); +/* fdiv - fdivs */ +GEN_FLOAT_AB(div, 0x12, 0x000007C0); +/* fmul - fmuls */ +GEN_FLOAT_AC(mul, 0x19, 0x0000F800); + +/* fres */ +GEN_FLOAT_BS(res, 0x3B, 0x18); + +/* frsqrte */ +GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A); + +/* fsel */ +_GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0); +/* fsub - fsubs */ +GEN_FLOAT_AB(sub, 0x14, 0x000007C0); +/* Optional: */ +/* fsqrt */ +GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_reset_scrfx(); + gen_op_load_fpr_FT0(rB(ctx->opcode)); + gen_op_fsqrt(); + gen_op_store_FT0_fpr(rD(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_reset_scrfx(); + gen_op_load_fpr_FT0(rB(ctx->opcode)); + gen_op_fsqrt(); + gen_op_frsp(); + gen_op_store_FT0_fpr(rD(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/*** Floating-Point multiply-and-add ***/ +/* fmadd - fmadds */ +GEN_FLOAT_ACB(madd, 0x1D); +/* fmsub - fmsubs */ +GEN_FLOAT_ACB(msub, 0x1C); +/* fnmadd - fnmadds */ +GEN_FLOAT_ACB(nmadd, 0x1F); +/* fnmsub - fnmsubs */ +GEN_FLOAT_ACB(nmsub, 0x1E); + +/*** Floating-Point round & convert ***/ +/* fctiw */ +GEN_FLOAT_B(ctiw, 0x0E, 0x00); +/* fctiwz */ +GEN_FLOAT_B(ctiwz, 0x0F, 0x00); +/* frsp */ +GEN_FLOAT_B(rsp, 0x0C, 0x00); + +/*** Floating-Point compare ***/ +/* fcmpo */ +GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_reset_scrfx(); + gen_op_load_fpr_FT0(rA(ctx->opcode)); + gen_op_load_fpr_FT1(rB(ctx->opcode)); + gen_op_fcmpo(); + gen_op_store_T0_crf(crfD(ctx->opcode)); +} + +/* fcmpu */ +GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_reset_scrfx(); + gen_op_load_fpr_FT0(rA(ctx->opcode)); + gen_op_load_fpr_FT1(rB(ctx->opcode)); + gen_op_fcmpu(); + gen_op_store_T0_crf(crfD(ctx->opcode)); +} + +/*** Floating-point move ***/ +/* fabs */ +GEN_FLOAT_B(abs, 0x08, 0x08); + +/* fmr - fmr. */ +GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_reset_scrfx(); + gen_op_load_fpr_FT0(rB(ctx->opcode)); + gen_op_store_FT0_fpr(rD(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/* fnabs */ +GEN_FLOAT_B(nabs, 0x08, 0x04); +/* fneg */ +GEN_FLOAT_B(neg, 0x08, 0x01); + +/*** Floating-Point status & ctrl register ***/ +/* mcrfs */ +GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_load_fpscr_T0(crfS(ctx->opcode)); + gen_op_store_T0_crf(crfD(ctx->opcode)); + gen_op_clear_fpscr(crfS(ctx->opcode)); +} + +/* mffs */ +GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_load_fpscr(); + gen_op_store_FT0_fpr(rD(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/* mtfsb0 */ +GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT) +{ + uint8_t crb; + + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + crb = crbD(ctx->opcode) >> 2; + gen_op_load_fpscr_T0(crb); + gen_op_andi_(~(1 << (crbD(ctx->opcode) & 0x03))); + gen_op_store_T0_fpscr(crb); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/* mtfsb1 */ +GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT) +{ + uint8_t crb; + + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + crb = crbD(ctx->opcode) >> 2; + gen_op_load_fpscr_T0(crb); + gen_op_ori(1 << (crbD(ctx->opcode) & 0x03)); + gen_op_store_T0_fpscr(crb); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/* mtfsf */ +GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_load_fpr_FT0(rB(ctx->opcode)); + gen_op_store_fpscr(FM(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/* mtfsfi */ +GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + gen_op_store_T0_fpscri(crbD(ctx->opcode) >> 2, FPIMM(ctx->opcode)); + if (Rc(ctx->opcode)) + gen_op_set_Rc1(); +} + +/*** Integer load ***/ +#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() +#if defined(CONFIG_USER_ONLY) +#define OP_LD_TABLE(width) \ +static GenOpFunc *gen_op_l##width[] = { \ + &gen_op_l##width##_raw, \ + &gen_op_l##width##_le_raw, \ +}; +#define OP_ST_TABLE(width) \ +static GenOpFunc *gen_op_st##width[] = { \ + &gen_op_st##width##_raw, \ + &gen_op_st##width##_le_raw, \ +}; +/* Byte access routine are endian safe */ +#define gen_op_stb_le_raw gen_op_stb_raw +#define gen_op_lbz_le_raw gen_op_lbz_raw +#else +#define OP_LD_TABLE(width) \ +static GenOpFunc *gen_op_l##width[] = { \ + &gen_op_l##width##_user, \ + &gen_op_l##width##_le_user, \ + &gen_op_l##width##_kernel, \ + &gen_op_l##width##_le_kernel, \ +}; +#define OP_ST_TABLE(width) \ +static GenOpFunc *gen_op_st##width[] = { \ + &gen_op_st##width##_user, \ + &gen_op_st##width##_le_user, \ + &gen_op_st##width##_kernel, \ + &gen_op_st##width##_le_kernel, \ +}; +/* Byte access routine are endian safe */ +#define gen_op_stb_le_user gen_op_stb_user +#define gen_op_lbz_le_user gen_op_lbz_user +#define gen_op_stb_le_kernel gen_op_stb_kernel +#define gen_op_lbz_le_kernel gen_op_lbz_kernel +#endif + +#define GEN_LD(width, opc) \ +GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (rA(ctx->opcode) == 0) { \ + gen_op_set_T0(simm); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + } \ + op_ldst(l##width); \ + gen_op_store_T1_gpr(rD(ctx->opcode)); \ +} + +#define GEN_LDU(width, opc) \ +GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (rA(ctx->opcode) == 0 || \ + rA(ctx->opcode) == rD(ctx->opcode)) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + op_ldst(l##width); \ + gen_op_store_T1_gpr(rD(ctx->opcode)); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_LDUX(width, opc) \ +GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ +{ \ + if (rA(ctx->opcode) == 0 || \ + rA(ctx->opcode) == rD(ctx->opcode)) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + op_ldst(l##width); \ + gen_op_store_T1_gpr(rD(ctx->opcode)); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_LDX(width, opc2, opc3) \ +GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ +{ \ + if (rA(ctx->opcode) == 0) { \ + gen_op_load_gpr_T0(rB(ctx->opcode)); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + } \ + op_ldst(l##width); \ + gen_op_store_T1_gpr(rD(ctx->opcode)); \ +} + +#define GEN_LDS(width, op) \ +OP_LD_TABLE(width); \ +GEN_LD(width, op | 0x20); \ +GEN_LDU(width, op | 0x21); \ +GEN_LDUX(width, op | 0x01); \ +GEN_LDX(width, 0x17, op | 0x00) + +/* lbz lbzu lbzux lbzx */ +GEN_LDS(bz, 0x02); +/* lha lhau lhaux lhax */ +GEN_LDS(ha, 0x0A); +/* lhz lhzu lhzux lhzx */ +GEN_LDS(hz, 0x08); +/* lwz lwzu lwzux lwzx */ +GEN_LDS(wz, 0x00); + +/*** Integer store ***/ +#define GEN_ST(width, opc) \ +GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (rA(ctx->opcode) == 0) { \ + gen_op_set_T0(simm); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + } \ + gen_op_load_gpr_T1(rS(ctx->opcode)); \ + op_ldst(st##width); \ +} + +#define GEN_STU(width, opc) \ +GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (rA(ctx->opcode) == 0) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + gen_op_load_gpr_T1(rS(ctx->opcode)); \ + op_ldst(st##width); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_STUX(width, opc) \ +GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ +{ \ + if (rA(ctx->opcode) == 0) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + gen_op_load_gpr_T1(rS(ctx->opcode)); \ + op_ldst(st##width); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_STX(width, opc2, opc3) \ +GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ +{ \ + if (rA(ctx->opcode) == 0) { \ + gen_op_load_gpr_T0(rB(ctx->opcode)); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + } \ + gen_op_load_gpr_T1(rS(ctx->opcode)); \ + op_ldst(st##width); \ +} + +#define GEN_STS(width, op) \ +OP_ST_TABLE(width); \ +GEN_ST(width, op | 0x20); \ +GEN_STU(width, op | 0x21); \ +GEN_STUX(width, op | 0x01); \ +GEN_STX(width, 0x17, op | 0x00) + +/* stb stbu stbux stbx */ +GEN_STS(b, 0x06); +/* sth sthu sthux sthx */ +GEN_STS(h, 0x0C); +/* stw stwu stwux stwx */ +GEN_STS(w, 0x04); + +/*** Integer load and store with byte reverse ***/ +/* lhbrx */ +OP_LD_TABLE(hbr); +GEN_LDX(hbr, 0x16, 0x18); +/* lwbrx */ +OP_LD_TABLE(wbr); +GEN_LDX(wbr, 0x16, 0x10); +/* sthbrx */ +OP_ST_TABLE(hbr); +GEN_STX(hbr, 0x16, 0x1C); +/* stwbrx */ +OP_ST_TABLE(wbr); +GEN_STX(wbr, 0x16, 0x14); + +/*** Integer load and store multiple ***/ +#define op_ldstm(name, reg) (*gen_op_##name[ctx->mem_idx])(reg) +#if defined(CONFIG_USER_ONLY) +static GenOpFunc1 *gen_op_lmw[] = { + &gen_op_lmw_raw, + &gen_op_lmw_le_raw, +}; +static GenOpFunc1 *gen_op_stmw[] = { + &gen_op_stmw_raw, + &gen_op_stmw_le_raw, +}; +#else +static GenOpFunc1 *gen_op_lmw[] = { + &gen_op_lmw_user, + &gen_op_lmw_le_user, + &gen_op_lmw_kernel, + &gen_op_lmw_le_kernel, +}; +static GenOpFunc1 *gen_op_stmw[] = { + &gen_op_stmw_user, + &gen_op_stmw_le_user, + &gen_op_stmw_kernel, + &gen_op_stmw_le_kernel, +}; +#endif + +/* lmw */ +GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + int simm = SIMM(ctx->opcode); + + if (rA(ctx->opcode) == 0) { + gen_op_set_T0(simm); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + if (simm != 0) + gen_op_addi(simm); + } + op_ldstm(lmw, rD(ctx->opcode)); +} + +/* stmw */ +GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) +{ + int simm = SIMM(ctx->opcode); + + if (rA(ctx->opcode) == 0) { + gen_op_set_T0(simm); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + if (simm != 0) + gen_op_addi(simm); + } + op_ldstm(stmw, rS(ctx->opcode)); +} + +/*** Integer load and store strings ***/ +#define op_ldsts(name, start) (*gen_op_##name[ctx->mem_idx])(start) +#define op_ldstsx(name, rd, ra, rb) (*gen_op_##name[ctx->mem_idx])(rd, ra, rb) +#if defined(CONFIG_USER_ONLY) +static GenOpFunc1 *gen_op_lswi[] = { + &gen_op_lswi_raw, + &gen_op_lswi_le_raw, +}; +static GenOpFunc3 *gen_op_lswx[] = { + &gen_op_lswx_raw, + &gen_op_lswx_le_raw, +}; +static GenOpFunc1 *gen_op_stsw[] = { + &gen_op_stsw_raw, + &gen_op_stsw_le_raw, +}; +#else +static GenOpFunc1 *gen_op_lswi[] = { + &gen_op_lswi_user, + &gen_op_lswi_le_user, + &gen_op_lswi_kernel, + &gen_op_lswi_le_kernel, +}; +static GenOpFunc3 *gen_op_lswx[] = { + &gen_op_lswx_user, + &gen_op_lswx_le_user, + &gen_op_lswx_kernel, + &gen_op_lswx_le_kernel, +}; +static GenOpFunc1 *gen_op_stsw[] = { + &gen_op_stsw_user, + &gen_op_stsw_le_user, + &gen_op_stsw_kernel, + &gen_op_stsw_le_kernel, +}; +#endif + +/* lswi */ +/* PowerPC32 specification says we must generate an exception if + * rA is in the range of registers to be loaded. + * In an other hand, IBM says this is valid, but rA won't be loaded. + * For now, I'll follow the spec... + */ +GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_INTEGER) +{ + int nb = NB(ctx->opcode); + int start = rD(ctx->opcode); + int ra = rA(ctx->opcode); + int nr; + + if (nb == 0) + nb = 32; + nr = nb / 4; + if (((start + nr) > 32 && start <= ra && (start + nr - 32) > ra) || + ((start + nr) <= 32 && start <= ra && (start + nr) > ra)) { + RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); + return; + } + if (ra == 0) { + gen_op_set_T0(0); + } else { + gen_op_load_gpr_T0(ra); + } + gen_op_set_T1(nb); + /* NIP cannot be restored if the memory exception comes from an helper */ + gen_op_update_nip((ctx)->nip - 4); + op_ldsts(lswi, start); +} + +/* lswx */ +GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_INTEGER) +{ + int ra = rA(ctx->opcode); + int rb = rB(ctx->opcode); + + if (ra == 0) { + gen_op_load_gpr_T0(rb); + ra = rb; + } else { + gen_op_load_gpr_T0(ra); + gen_op_load_gpr_T1(rb); + gen_op_add(); + } + gen_op_load_xer_bc(); + /* NIP cannot be restored if the memory exception comes from an helper */ + gen_op_update_nip((ctx)->nip - 4); + op_ldstsx(lswx, rD(ctx->opcode), ra, rb); +} + +/* stswi */ +GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_INTEGER) +{ + int nb = NB(ctx->opcode); + + if (rA(ctx->opcode) == 0) { + gen_op_set_T0(0); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + } + if (nb == 0) + nb = 32; + gen_op_set_T1(nb); + /* NIP cannot be restored if the memory exception comes from an helper */ + gen_op_update_nip((ctx)->nip - 4); + op_ldsts(stsw, rS(ctx->opcode)); +} + +/* stswx */ +GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_INTEGER) +{ + int ra = rA(ctx->opcode); + + if (ra == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + ra = rB(ctx->opcode); + } else { + gen_op_load_gpr_T0(ra); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + gen_op_load_xer_bc(); + /* NIP cannot be restored if the memory exception comes from an helper */ + gen_op_update_nip((ctx)->nip - 4); + op_ldsts(stsw, rS(ctx->opcode)); +} + +/*** Memory synchronisation ***/ +/* eieio */ +GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FF0801, PPC_MEM) +{ +} + +/* isync */ +GEN_HANDLER(isync, 0x13, 0x16, 0xFF, 0x03FF0801, PPC_MEM) +{ +} + +#define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])() +#define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])() +#if defined(CONFIG_USER_ONLY) +static GenOpFunc *gen_op_lwarx[] = { + &gen_op_lwarx_raw, + &gen_op_lwarx_le_raw, +}; +static GenOpFunc *gen_op_stwcx[] = { + &gen_op_stwcx_raw, + &gen_op_stwcx_le_raw, +}; +#else +static GenOpFunc *gen_op_lwarx[] = { + &gen_op_lwarx_user, + &gen_op_lwarx_le_user, + &gen_op_lwarx_kernel, + &gen_op_lwarx_le_kernel, +}; +static GenOpFunc *gen_op_stwcx[] = { + &gen_op_stwcx_user, + &gen_op_stwcx_le_user, + &gen_op_stwcx_kernel, + &gen_op_stwcx_le_kernel, +}; +#endif + +/* lwarx */ +GEN_HANDLER(lwarx, 0x1F, 0x14, 0xFF, 0x00000001, PPC_RES) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_lwarx(); + gen_op_store_T1_gpr(rD(ctx->opcode)); +} + +/* stwcx. */ +GEN_HANDLER(stwcx_, 0x1F, 0x16, 0x04, 0x00000000, PPC_RES) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + gen_op_load_gpr_T1(rS(ctx->opcode)); + op_stwcx(); +} + +/* sync */ +GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_MEM) +{ +} + +/*** Floating-point load ***/ +#define GEN_LDF(width, opc) \ +GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + gen_op_set_T0(simm); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + } \ + op_ldst(l##width); \ + gen_op_store_FT1_fpr(rD(ctx->opcode)); \ +} + +#define GEN_LDUF(width, opc) \ +GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0 || \ + rA(ctx->opcode) == rD(ctx->opcode)) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + op_ldst(l##width); \ + gen_op_store_FT1_fpr(rD(ctx->opcode)); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_LDUXF(width, opc) \ +GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0 || \ + rA(ctx->opcode) == rD(ctx->opcode)) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + op_ldst(l##width); \ + gen_op_store_FT1_fpr(rD(ctx->opcode)); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_LDXF(width, opc2, opc3) \ +GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + gen_op_load_gpr_T0(rB(ctx->opcode)); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + } \ + op_ldst(l##width); \ + gen_op_store_FT1_fpr(rD(ctx->opcode)); \ +} + +#define GEN_LDFS(width, op) \ +OP_LD_TABLE(width); \ +GEN_LDF(width, op | 0x20); \ +GEN_LDUF(width, op | 0x21); \ +GEN_LDUXF(width, op | 0x01); \ +GEN_LDXF(width, 0x17, op | 0x00) + +/* lfd lfdu lfdux lfdx */ +GEN_LDFS(fd, 0x12); +/* lfs lfsu lfsux lfsx */ +GEN_LDFS(fs, 0x10); + +/*** Floating-point store ***/ +#define GEN_STF(width, opc) \ +GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + gen_op_set_T0(simm); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + } \ + gen_op_load_fpr_FT1(rS(ctx->opcode)); \ + op_ldst(st##width); \ +} + +#define GEN_STUF(width, opc) \ +GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ +{ \ + uint32_t simm = SIMM(ctx->opcode); \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + if (simm != 0) \ + gen_op_addi(simm); \ + gen_op_load_fpr_FT1(rS(ctx->opcode)); \ + op_ldst(st##width); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_STUXF(width, opc) \ +GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + RET_INVAL(ctx); \ + return; \ + } \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + gen_op_load_fpr_FT1(rS(ctx->opcode)); \ + op_ldst(st##width); \ + gen_op_store_T0_gpr(rA(ctx->opcode)); \ +} + +#define GEN_STXF(width, opc2, opc3) \ +GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ +{ \ + if (!ctx->fpu_enabled) { \ + RET_EXCP(ctx, EXCP_NO_FP, 0); \ + return; \ + } \ + if (rA(ctx->opcode) == 0) { \ + gen_op_load_gpr_T0(rB(ctx->opcode)); \ + } else { \ + gen_op_load_gpr_T0(rA(ctx->opcode)); \ + gen_op_load_gpr_T1(rB(ctx->opcode)); \ + gen_op_add(); \ + } \ + gen_op_load_fpr_FT1(rS(ctx->opcode)); \ + op_ldst(st##width); \ +} + +#define GEN_STFS(width, op) \ +OP_ST_TABLE(width); \ +GEN_STF(width, op | 0x20); \ +GEN_STUF(width, op | 0x21); \ +GEN_STUXF(width, op | 0x01); \ +GEN_STXF(width, 0x17, op | 0x00) + +/* stfd stfdu stfdux stfdx */ +GEN_STFS(fd, 0x16); +/* stfs stfsu stfsux stfsx */ +GEN_STFS(fs, 0x14); + +/* Optional: */ +/* stfiwx */ +GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT) +{ + if (!ctx->fpu_enabled) { + RET_EXCP(ctx, EXCP_NO_FP, 0); + return; + } + RET_INVAL(ctx); +} + +/*** Branch ***/ + +static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) +{ + TranslationBlock *tb; + tb = ctx->tb; + if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { + if (n == 0) + gen_op_goto_tb0(TBPARAM(tb)); + else + gen_op_goto_tb1(TBPARAM(tb)); + gen_op_set_T1(dest); + gen_op_b_T1(); + gen_op_set_T0((long)tb + n); + if (ctx->singlestep_enabled) + gen_op_debug(); + gen_op_exit_tb(); + } else { + gen_op_set_T1(dest); + gen_op_b_T1(); + if (ctx->singlestep_enabled) + gen_op_debug(); + gen_op_set_T0(0); + gen_op_exit_tb(); + } +} + +/* b ba bl bla */ +GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) +{ + uint32_t li, target; + + /* sign extend LI */ + li = ((int32_t)LI(ctx->opcode) << 6) >> 6; + + if (AA(ctx->opcode) == 0) + target = ctx->nip + li - 4; + else + target = li; + if (LK(ctx->opcode)) { + gen_op_setlr(ctx->nip); + } + gen_goto_tb(ctx, 0, target); + ctx->exception = EXCP_BRANCH; +} + +#define BCOND_IM 0 +#define BCOND_LR 1 +#define BCOND_CTR 2 + +static inline void gen_bcond(DisasContext *ctx, int type) +{ + uint32_t target = 0; + uint32_t bo = BO(ctx->opcode); + uint32_t bi = BI(ctx->opcode); + uint32_t mask; + uint32_t li; + + if ((bo & 0x4) == 0) + gen_op_dec_ctr(); + switch(type) { + case BCOND_IM: + li = (int32_t)((int16_t)(BD(ctx->opcode))); + if (AA(ctx->opcode) == 0) { + target = ctx->nip + li - 4; + } else { + target = li; + } + break; + case BCOND_CTR: + gen_op_movl_T1_ctr(); + break; + default: + case BCOND_LR: + gen_op_movl_T1_lr(); + break; + } + if (LK(ctx->opcode)) { + gen_op_setlr(ctx->nip); + } + if (bo & 0x10) { + /* No CR condition */ + switch (bo & 0x6) { + case 0: + gen_op_test_ctr(); + break; + case 2: + gen_op_test_ctrz(); + break; + default: + case 4: + case 6: + if (type == BCOND_IM) { + gen_goto_tb(ctx, 0, target); + } else { + gen_op_b_T1(); + } + goto no_test; + } + } else { + mask = 1 << (3 - (bi & 0x03)); + gen_op_load_crf_T0(bi >> 2); + if (bo & 0x8) { + switch (bo & 0x6) { + case 0: + gen_op_test_ctr_true(mask); + break; + case 2: + gen_op_test_ctrz_true(mask); + break; + default: + case 4: + case 6: + gen_op_test_true(mask); + break; + } + } else { + switch (bo & 0x6) { + case 0: + gen_op_test_ctr_false(mask); + break; + case 2: + gen_op_test_ctrz_false(mask); + break; + default: + case 4: + case 6: + gen_op_test_false(mask); + break; + } + } + } + if (type == BCOND_IM) { + int l1 = gen_new_label(); + gen_op_jz_T0(l1); + gen_goto_tb(ctx, 0, target); + gen_set_label(l1); + gen_goto_tb(ctx, 1, ctx->nip); + } else { + gen_op_btest_T1(ctx->nip); + } + no_test: + ctx->exception = EXCP_BRANCH; +} + +GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW) +{ + gen_bcond(ctx, BCOND_IM); +} + +GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW) +{ + gen_bcond(ctx, BCOND_CTR); +} + +GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW) +{ + gen_bcond(ctx, BCOND_LR); +} + +/*** Condition register logical ***/ +#define GEN_CRLOGIC(op, opc) \ +GEN_HANDLER(cr##op, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \ +{ \ + gen_op_load_crf_T0(crbA(ctx->opcode) >> 2); \ + gen_op_getbit_T0(3 - (crbA(ctx->opcode) & 0x03)); \ + gen_op_load_crf_T1(crbB(ctx->opcode) >> 2); \ + gen_op_getbit_T1(3 - (crbB(ctx->opcode) & 0x03)); \ + gen_op_##op(); \ + gen_op_load_crf_T1(crbD(ctx->opcode) >> 2); \ + gen_op_setcrfbit(~(1 << (3 - (crbD(ctx->opcode) & 0x03))), \ + 3 - (crbD(ctx->opcode) & 0x03)); \ + gen_op_store_T1_crf(crbD(ctx->opcode) >> 2); \ +} + +/* crand */ +GEN_CRLOGIC(and, 0x08) +/* crandc */ +GEN_CRLOGIC(andc, 0x04) +/* creqv */ +GEN_CRLOGIC(eqv, 0x09) +/* crnand */ +GEN_CRLOGIC(nand, 0x07) +/* crnor */ +GEN_CRLOGIC(nor, 0x01) +/* cror */ +GEN_CRLOGIC(or, 0x0E) +/* crorc */ +GEN_CRLOGIC(orc, 0x0D) +/* crxor */ +GEN_CRLOGIC(xor, 0x06) +/* mcrf */ +GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER) +{ + gen_op_load_crf_T0(crfS(ctx->opcode)); + gen_op_store_T0_crf(crfD(ctx->opcode)); +} + +/*** System linkage ***/ +/* rfi (supervisor only) */ +GEN_HANDLER(rfi, 0x13, 0x12, 0xFF, 0x03FF8001, PPC_FLOW) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + /* Restore CPU state */ + if (!ctx->supervisor) { + RET_PRIVOPC(ctx); + return; + } + gen_op_rfi(); + RET_CHG_FLOW(ctx); +#endif +} + +/* sc */ +GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFFFFD, PPC_FLOW) +{ +#if defined(CONFIG_USER_ONLY) + RET_EXCP(ctx, EXCP_SYSCALL_USER, 0); +#else + RET_EXCP(ctx, EXCP_SYSCALL, 0); +#endif +} + +/*** Trap ***/ +/* tw */ +GEN_HANDLER(tw, 0x1F, 0x04, 0xFF, 0x00000001, PPC_FLOW) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_tw(TO(ctx->opcode)); +} + +/* twi */ +GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW) +{ + gen_op_load_gpr_T0(rA(ctx->opcode)); +#if 0 + printf("%s: param=0x%04x T0=0x%04x\n", __func__, + SIMM(ctx->opcode), TO(ctx->opcode)); +#endif + gen_op_twi(SIMM(ctx->opcode), TO(ctx->opcode)); +} + +/*** Processor control ***/ +static inline int check_spr_access (int spr, int rw, int supervisor) +{ + uint32_t rights = spr_access[spr >> 1] >> (4 * (spr & 1)); + +#if 0 + if (spr != LR && spr != CTR) { + if (loglevel > 0) { + fprintf(logfile, "%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__, + SPR_ENCODE(spr), supervisor, rw, rights, + (rights >> ((2 * supervisor) + rw)) & 1); + } else { + printf("%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__, + SPR_ENCODE(spr), supervisor, rw, rights, + (rights >> ((2 * supervisor) + rw)) & 1); + } + } +#endif + if (rights == 0) + return -1; + rights = rights >> (2 * supervisor); + rights = rights >> rw; + + return rights & 1; +} + +/* mcrxr */ +GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC) +{ + gen_op_load_xer_cr(); + gen_op_store_T0_crf(crfD(ctx->opcode)); + gen_op_clear_xer_cr(); +} + +/* mfcr */ +GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x001FF801, PPC_MISC) +{ + gen_op_load_cr(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} + +/* mfmsr */ +GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_load_msr(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +#endif +} + +#if 0 +#define SPR_NOACCESS ((void *)(-1)) +#else +static void spr_noaccess (void *opaque, int sprn) +{ + sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); + printf("ERROR: try to access SPR %d !\n", sprn); +} +#define SPR_NOACCESS (&spr_noaccess) +#endif + +/* mfspr */ +static inline void gen_op_mfspr (DisasContext *ctx) +{ + void (*read_cb)(void *opaque, int sprn); + uint32_t sprn = SPR(ctx->opcode); + +#if !defined(CONFIG_USER_ONLY) + if (ctx->supervisor) + read_cb = ctx->spr_cb[sprn].oea_read; + else +#endif + read_cb = ctx->spr_cb[sprn].uea_read; + if (read_cb != NULL) { + if (read_cb != SPR_NOACCESS) { + (*read_cb)(ctx, sprn); + gen_op_store_T0_gpr(rD(ctx->opcode)); + } else { + /* Privilege exception */ + if (loglevel) { + fprintf(logfile, "Trying to read priviledged spr %d %03x\n", + sprn, sprn); + } + printf("Trying to read priviledged spr %d %03x\n", sprn, sprn); + RET_PRIVREG(ctx); + } + } else { + /* Not defined */ + if (loglevel) { + fprintf(logfile, "Trying to read invalid spr %d %03x\n", + sprn, sprn); + } + printf("Trying to read invalid spr %d %03x\n", sprn, sprn); + RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); + } +} + +GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC) +{ + gen_op_mfspr(ctx); + } + +/* mftb */ +GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_TB) +{ + gen_op_mfspr(ctx); +} + +/* mtcrf */ +/* The mask should be 0x00100801, but Mac OS X 10.4 use an alternate form */ +GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC) +{ + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_store_cr(CRM(ctx->opcode)); +} + +/* mtmsr */ +GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_update_nip((ctx)->nip); + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_store_msr(); + /* Must stop the translation as machine state (may have) changed */ + RET_CHG_FLOW(ctx); +#endif +} + +/* mtspr */ +GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC) +{ + void (*write_cb)(void *opaque, int sprn); + uint32_t sprn = SPR(ctx->opcode); + +#if !defined(CONFIG_USER_ONLY) + if (ctx->supervisor) + write_cb = ctx->spr_cb[sprn].oea_write; + else +#endif + write_cb = ctx->spr_cb[sprn].uea_write; + if (write_cb != NULL) { + if (write_cb != SPR_NOACCESS) { + gen_op_load_gpr_T0(rS(ctx->opcode)); + (*write_cb)(ctx, sprn); + } else { + /* Privilege exception */ + if (loglevel) { + fprintf(logfile, "Trying to write priviledged spr %d %03x\n", + sprn, sprn); + } + printf("Trying to write priviledged spr %d %03x\n", sprn, sprn); + RET_PRIVREG(ctx); + } + } else { + /* Not defined */ + if (loglevel) { + fprintf(logfile, "Trying to write invalid spr %d %03x\n", + sprn, sprn); + } + printf("Trying to write invalid spr %d %03x\n", sprn, sprn); + RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); + } +} + +/*** Cache management ***/ +/* For now, all those will be implemented as nop: + * this is valid, regarding the PowerPC specs... + * We just have to flush tb while invalidating instruction cache lines... + */ +/* dcbf */ +GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03E00001, PPC_CACHE) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_ldst(lbz); +} + +/* dcbi (Supervisor only) */ +GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVOPC(ctx); + return; + } + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_ldst(lbz); + op_ldst(stb); +#endif +} + +/* dcdst */ +GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_ldst(lbz); +} + +/* dcbt */ +GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x03E00001, PPC_CACHE) +{ +} + +/* dcbtst */ +GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE) +{ +} + +/* dcbz */ +#if defined(CONFIG_USER_ONLY) +#define op_dcbz() gen_op_dcbz_raw() +#else +#define op_dcbz() (*gen_op_dcbz[ctx->mem_idx])() +static GenOpFunc *gen_op_dcbz[] = { + &gen_op_dcbz_user, + &gen_op_dcbz_user, + &gen_op_dcbz_kernel, + &gen_op_dcbz_kernel, +}; +#endif + +GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_dcbz(); + gen_op_check_reservation(); +} + +/* icbi */ +GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE) +{ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + gen_op_icbi(); +} + +/* Optional: */ +/* dcba */ +GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_OPT) +{ +} + +/*** Segment register manipulation ***/ +/* Supervisor only: */ +/* mfsr */ +GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_load_sr(SR(ctx->opcode)); + gen_op_store_T0_gpr(rD(ctx->opcode)); +#endif +} + +/* mfsrin */ +GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_load_srin(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +#endif +} + +/* mtsr */ +GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_store_sr(SR(ctx->opcode)); + RET_STOP(ctx); +#endif +} + +/* mtsrin */ +GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVREG(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVREG(ctx); + return; + } + gen_op_load_gpr_T0(rS(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_store_srin(); + RET_STOP(ctx); +#endif +} + +/*** Lookaside buffer management ***/ +/* Optional & supervisor only: */ +/* tlbia */ +GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (!ctx->supervisor) { + if (loglevel) + fprintf(logfile, "%s: ! supervisor\n", __func__); + RET_PRIVOPC(ctx); + return; + } + gen_op_tlbia(); + RET_STOP(ctx); +#endif +} + +/* tlbie */ +GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVOPC(ctx); + return; + } + gen_op_load_gpr_T0(rB(ctx->opcode)); + gen_op_tlbie(); + RET_STOP(ctx); +#endif +} + +/* tlbsync */ +GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (!ctx->supervisor) { + RET_PRIVOPC(ctx); + return; + } + /* This has no effect: it should ensure that all previous + * tlbie have completed + */ + RET_STOP(ctx); +#endif +} + +/*** External control ***/ +/* Optional: */ +#define op_eciwx() (*gen_op_eciwx[ctx->mem_idx])() +#define op_ecowx() (*gen_op_ecowx[ctx->mem_idx])() +#if defined(CONFIG_USER_ONLY) +static GenOpFunc *gen_op_eciwx[] = { + &gen_op_eciwx_raw, + &gen_op_eciwx_le_raw, +}; +static GenOpFunc *gen_op_ecowx[] = { + &gen_op_ecowx_raw, + &gen_op_ecowx_le_raw, +}; +#else +static GenOpFunc *gen_op_eciwx[] = { + &gen_op_eciwx_user, + &gen_op_eciwx_le_user, + &gen_op_eciwx_kernel, + &gen_op_eciwx_le_kernel, +}; +static GenOpFunc *gen_op_ecowx[] = { + &gen_op_ecowx_user, + &gen_op_ecowx_le_user, + &gen_op_ecowx_kernel, + &gen_op_ecowx_le_kernel, +}; +#endif + +/* eciwx */ +GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN) +{ + /* Should check EAR[E] & alignment ! */ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + op_eciwx(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +} + +/* ecowx */ +GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN) +{ + /* Should check EAR[E] & alignment ! */ + if (rA(ctx->opcode) == 0) { + gen_op_load_gpr_T0(rB(ctx->opcode)); + } else { + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rB(ctx->opcode)); + gen_op_add(); + } + gen_op_load_gpr_T2(rS(ctx->opcode)); + op_ecowx(); +} + +/* End opcode list */ +GEN_OPCODE_MARK(end); + +#include "translate_init.c" + +/*****************************************************************************/ +/* Misc PowerPC helpers */ +void cpu_dump_state(CPUState *env, FILE *f, + int (*cpu_fprintf)(FILE *f, const char *fmt, ...), + int flags) +{ +#if defined(TARGET_PPC64) || 1 +#define FILL "" +#define REGX "%016" PRIx64 +#define RGPL 4 +#define RFPL 4 +#else +#define FILL " " +#define REGX "%08" PRIx64 +#define RGPL 8 +#define RFPL 4 +#endif + + int i; + + cpu_fprintf(f, "NIP " REGX " LR " REGX " CTR " REGX "\n", + env->nip, env->lr, env->ctr); + cpu_fprintf(f, "MSR " REGX FILL " XER %08x TB %08x %08x DECR %08x\n", + do_load_msr(env), do_load_xer(env), cpu_ppc_load_tbu(env), + cpu_ppc_load_tbl(env), cpu_ppc_load_decr(env)); + for (i = 0; i < 32; i++) { + if ((i & (RGPL - 1)) == 0) + cpu_fprintf(f, "GPR%02d", i); + cpu_fprintf(f, " " REGX, env->gpr[i]); + if ((i & (RGPL - 1)) == (RGPL - 1)) + cpu_fprintf(f, "\n"); + } + cpu_fprintf(f, "CR "); + for (i = 0; i < 8; i++) + cpu_fprintf(f, "%01x", env->crf[i]); + cpu_fprintf(f, " ["); + for (i = 0; i < 8; i++) { + char a = '-'; + if (env->crf[i] & 0x08) + a = 'L'; + else if (env->crf[i] & 0x04) + a = 'G'; + else if (env->crf[i] & 0x02) + a = 'E'; + cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); + } + cpu_fprintf(f, " ] " FILL "RES " REGX "\n", env->reserve); + for (i = 0; i < 32; i++) { + if ((i & (RFPL - 1)) == 0) + cpu_fprintf(f, "FPR%02d", i); + cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i])); + if ((i & (RFPL - 1)) == (RFPL - 1)) + cpu_fprintf(f, "\n"); + } + cpu_fprintf(f, "SRR0 " REGX " SRR1 " REGX " " FILL FILL FILL + "SDR1 " REGX "\n", + env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1); + +#undef REGX +#undef RGPL +#undef RFPL +#undef FILL +} + +/*****************************************************************************/ +int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, + int search_pc) +{ + DisasContext ctx, *ctxp = &ctx; + opc_handler_t **table, *handler; + target_ulong pc_start; + uint16_t *gen_opc_end; + int j, lj = -1; + + pc_start = tb->pc; + gen_opc_ptr = gen_opc_buf; + gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; + gen_opparam_ptr = gen_opparam_buf; + nb_gen_labels = 0; + ctx.nip = pc_start; + ctx.tb = tb; + ctx.exception = EXCP_NONE; + ctx.spr_cb = env->spr_cb; +#if defined(CONFIG_USER_ONLY) + ctx.mem_idx = msr_le; +#else + ctx.supervisor = 1 - msr_pr; + ctx.mem_idx = ((1 - msr_pr) << 1) | msr_le; +#endif + ctx.fpu_enabled = msr_fp; + ctx.singlestep_enabled = env->singlestep_enabled; +#if defined (DO_SINGLE_STEP) && 0 + /* Single step trace mode */ + msr_se = 1; +#endif + /* Set env in case of segfault during code fetch */ + while (ctx.exception == EXCP_NONE && gen_opc_ptr < gen_opc_end) { + if (env->nb_breakpoints > 0) { + for(j = 0; j < env->nb_breakpoints; j++) { + if (env->breakpoints[j] == ctx.nip) { + gen_op_update_nip(ctx.nip); + gen_op_debug(); + break; + } + } + } + if (search_pc) { + j = gen_opc_ptr - gen_opc_buf; + if (lj < j) { + lj++; + while (lj < j) + gen_opc_instr_start[lj++] = 0; + gen_opc_pc[lj] = ctx.nip; + gen_opc_instr_start[lj] = 1; + } + } +#if defined PPC_DEBUG_DISAS + if (loglevel & CPU_LOG_TB_IN_ASM) { + fprintf(logfile, "----------------\n"); + fprintf(logfile, "nip=%08x super=%d ir=%d\n", + ctx.nip, 1 - msr_pr, msr_ir); + } +#endif + ctx.opcode = ldl_code(ctx.nip); + if (msr_le) { + ctx.opcode = ((ctx.opcode & 0xFF000000) >> 24) | + ((ctx.opcode & 0x00FF0000) >> 8) | + ((ctx.opcode & 0x0000FF00) << 8) | + ((ctx.opcode & 0x000000FF) << 24); + } +#if defined PPC_DEBUG_DISAS + if (loglevel & CPU_LOG_TB_IN_ASM) { + fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n", + ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), + opc3(ctx.opcode), msr_le ? "little" : "big"); + } +#endif + ctx.nip += 4; + table = env->opcodes; + handler = table[opc1(ctx.opcode)]; + if (is_indirect_opcode(handler)) { + table = ind_table(handler); + handler = table[opc2(ctx.opcode)]; + if (is_indirect_opcode(handler)) { + table = ind_table(handler); + handler = table[opc3(ctx.opcode)]; + } + } + /* Is opcode *REALLY* valid ? */ + if (handler->handler == &gen_invalid) { + if (loglevel > 0) { + fprintf(logfile, "invalid/unsupported opcode: " + "%02x - %02x - %02x (%08x) 0x%08x %d\n", + opc1(ctx.opcode), opc2(ctx.opcode), + opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir); + } else { + printf("invalid/unsupported opcode: " + "%02x - %02x - %02x (%08x) 0x%08x %d\n", + opc1(ctx.opcode), opc2(ctx.opcode), + opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir); + } + } else { + if ((ctx.opcode & handler->inval) != 0) { + if (loglevel > 0) { + fprintf(logfile, "invalid bits: %08x for opcode: " + "%02x -%02x - %02x (0x%08x) (0x%08x)\n", + ctx.opcode & handler->inval, opc1(ctx.opcode), + opc2(ctx.opcode), opc3(ctx.opcode), + ctx.opcode, ctx.nip - 4); + } else { + printf("invalid bits: %08x for opcode: " + "%02x -%02x - %02x (0x%08x) (0x%08x)\n", + ctx.opcode & handler->inval, opc1(ctx.opcode), + opc2(ctx.opcode), opc3(ctx.opcode), + ctx.opcode, ctx.nip - 4); + } + RET_INVAL(ctxp); + break; + } + } + (*(handler->handler))(&ctx); + /* Check trace mode exceptions */ + if ((msr_be && ctx.exception == EXCP_BRANCH) || + /* Check in single step trace mode + * we need to stop except if: + * - rfi, trap or syscall + * - first instruction of an exception handler + */ + (msr_se && (ctx.nip < 0x100 || + ctx.nip > 0xF00 || + (ctx.nip & 0xFC) != 0x04) && + ctx.exception != EXCP_SYSCALL && + ctx.exception != EXCP_SYSCALL_USER && + ctx.exception != EXCP_TRAP)) { + RET_EXCP(ctxp, EXCP_TRACE, 0); + } + + /* if we reach a page boundary or are single stepping, stop + * generation + */ + if (((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) || + (env->singlestep_enabled)) { + break; + } +#if defined (DO_SINGLE_STEP) + break; +#endif + } + if (ctx.exception == EXCP_NONE) { + gen_goto_tb(&ctx, 0, ctx.nip); + } else if (ctx.exception != EXCP_BRANCH) { + gen_op_set_T0(0); + } +#if 1 + /* TO BE FIXED: T0 hasn't got a proper value, which makes tb_add_jump + * do bad business and then qemu crashes ! + */ + gen_op_set_T0(0); +#endif + /* Generate the return instruction */ + gen_op_exit_tb(); + *gen_opc_ptr = INDEX_op_end; + if (search_pc) { + j = gen_opc_ptr - gen_opc_buf; + lj++; + while (lj <= j) + gen_opc_instr_start[lj++] = 0; + tb->size = 0; +#if 0 + if (loglevel > 0) { + page_dump(logfile); + } +#endif + } else { + tb->size = ctx.nip - pc_start; + } +#ifdef DEBUG_DISAS + if (loglevel & CPU_LOG_TB_CPU) { + fprintf(logfile, "---------------- excp: %04x\n", ctx.exception); + cpu_dump_state(env, logfile, fprintf, 0); + } + if (loglevel & CPU_LOG_TB_IN_ASM) { + fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); + target_disas(logfile, pc_start, ctx.nip - pc_start, msr_le); + fprintf(logfile, "\n"); + } + if (loglevel & CPU_LOG_TB_OP) { + fprintf(logfile, "OP:\n"); + dump_ops(gen_opc_buf, gen_opparam_buf); + fprintf(logfile, "\n"); + } +#endif + return 0; +} + +int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) +{ + return gen_intermediate_code_internal(env, tb, 0); +} + +int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) +{ + return gen_intermediate_code_internal(env, tb, 1); +} diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c new file mode 100644 index 0000000..ddf0c91 --- /dev/null +++ b/target-ppc/translate_init.c @@ -0,0 +1,2067 @@ +/* + * PowerPC CPU initialization for qemu. + * + * Copyright (c) 2003-2005 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* A lot of PowerPC definition have been included here. + * Most of them are not usable for now but have been kept + * inside "#if defined(TODO) ... #endif" statements to make tests easier. + */ + +//#define PPC_DUMP_CPU +//#define PPC_DEBUG_SPR + +struct ppc_def_t { + const unsigned char *name; + uint32_t pvr; + uint32_t pvr_mask; + uint32_t insns_flags; + uint32_t flags; + uint64_t msr_mask; +}; + +/* Generic callbacks: + * do nothing but store/retrieve spr value + */ +static void spr_read_generic (void *opaque, int sprn) +{ + gen_op_load_spr(sprn); +} + +static void spr_write_generic (void *opaque, int sprn) +{ + gen_op_store_spr(sprn); +} + +/* SPR common to all PPC */ +/* XER */ +static void spr_read_xer (void *opaque, int sprn) +{ + gen_op_load_xer(); +} + +static void spr_write_xer (void *opaque, int sprn) +{ + gen_op_store_xer(); +} + +/* LR */ +static void spr_read_lr (void *opaque, int sprn) +{ + gen_op_load_lr(); +} + +static void spr_write_lr (void *opaque, int sprn) +{ + gen_op_store_lr(); +} + +/* CTR */ +static void spr_read_ctr (void *opaque, int sprn) +{ + gen_op_load_ctr(); +} + +static void spr_write_ctr (void *opaque, int sprn) +{ + gen_op_store_ctr(); +} + +/* User read access to SPR */ +/* USPRx */ +/* UMMCRx */ +/* UPMCx */ +/* USIA */ +/* UDECR */ +static void spr_read_ureg (void *opaque, int sprn) +{ + gen_op_load_spr(sprn + 0x10); +} + +/* SPR common to all non-embedded PPC (ie not 4xx) */ +/* DECR */ +static void spr_read_decr (void *opaque, int sprn) +{ + gen_op_load_decr(); +} + +static void spr_write_decr (void *opaque, int sprn) +{ + gen_op_store_decr(); +} + +/* SPR common to all non-embedded PPC, except 601 */ +/* Time base */ +static void spr_read_tbl (void *opaque, int sprn) +{ + gen_op_load_tbl(); +} + +static void spr_write_tbl (void *opaque, int sprn) +{ + gen_op_store_tbl(); +} + +static void spr_read_tbu (void *opaque, int sprn) +{ + gen_op_load_tbu(); +} + +static void spr_write_tbu (void *opaque, int sprn) +{ + gen_op_store_tbu(); +} + +/* IBAT0U...IBAT0U */ +/* IBAT0L...IBAT7L */ +static void spr_read_ibat (void *opaque, int sprn) +{ + gen_op_load_ibat(sprn & 1, (sprn - SPR_IBAT0U) / 2); +} + +static void spr_read_ibat_h (void *opaque, int sprn) +{ + gen_op_load_ibat(sprn & 1, (sprn - SPR_IBAT4U) / 2); +} + +static void spr_write_ibatu (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_ibatu((sprn - SPR_IBAT0U) / 2); + RET_STOP(ctx); +} + +static void spr_write_ibatu_h (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_ibatu((sprn - SPR_IBAT4U) / 2); + RET_STOP(ctx); +} + +static void spr_write_ibatl (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_ibatl((sprn - SPR_IBAT0L) / 2); + RET_STOP(ctx); +} + +static void spr_write_ibatl_h (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_ibatl((sprn - SPR_IBAT4L) / 2); + RET_STOP(ctx); +} + +/* DBAT0U...DBAT7U */ +/* DBAT0L...DBAT7L */ +static void spr_read_dbat (void *opaque, int sprn) +{ + gen_op_load_dbat(sprn & 1, (sprn - SPR_DBAT0U) / 2); +} + +static void spr_read_dbat_h (void *opaque, int sprn) +{ + gen_op_load_dbat(sprn & 1, (sprn - SPR_DBAT4U) / 2); +} + +static void spr_write_dbatu (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_dbatu((sprn - SPR_DBAT0U) / 2); + RET_STOP(ctx); +} + +static void spr_write_dbatu_h (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_dbatu((sprn - SPR_DBAT4U) / 2); + RET_STOP(ctx); +} + +static void spr_write_dbatl (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_dbatl((sprn - SPR_DBAT0L) / 2); + RET_STOP(ctx); +} + +static void spr_write_dbatl_h (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_dbatl((sprn - SPR_DBAT4L) / 2); + RET_STOP(ctx); +} + +/* SDR1 */ +static void spr_read_sdr1 (void *opaque, int sprn) +{ + gen_op_load_sdr1(); +} + +static void spr_write_sdr1 (void *opaque, int sprn) +{ + DisasContext *ctx = opaque; + + gen_op_store_sdr1(); + RET_STOP(ctx); +} + +static void spr_write_pir (void *opaque, int sprn) +{ + gen_op_store_pir(); +} + +static inline void spr_register (CPUPPCState *env, int num, + const unsigned char *name, + void (*uea_read)(void *opaque, int sprn), + void (*uea_write)(void *opaque, int sprn), + void (*oea_read)(void *opaque, int sprn), + void (*oea_write)(void *opaque, int sprn), + target_ulong initial_value) +{ + ppc_spr_t *spr; + + spr = &env->spr_cb[num]; + if (spr->name != NULL ||env-> spr[num] != 0x00000000 || + spr->uea_read != NULL || spr->uea_write != NULL || + spr->oea_read != NULL || spr->oea_write != NULL) { + printf("Error: Trying to register SPR %d (%03x) twice !\n", num, num); + exit(1); + } +#if defined(PPC_DEBUG_SPR) + printf("*** register spr %d (%03x) %s val %08" PRIx64 "\n", num, num, name, + (unsigned long long)initial_value); +#endif + spr->name = name; + spr->uea_read = uea_read; + spr->uea_write = uea_write; + spr->oea_read = oea_read; + spr->oea_write = oea_write; + env->spr[num] = initial_value; +} + +/* Generic PowerPC SPRs */ +static void gen_spr_generic (CPUPPCState *env) +{ + /* Integer processing */ + spr_register(env, SPR_XER, "XER", + &spr_read_xer, &spr_write_xer, + &spr_read_xer, &spr_write_xer, + 0x00000000); + /* Branch contol */ + spr_register(env, SPR_LR, "LR", + &spr_read_lr, &spr_write_lr, + &spr_read_lr, &spr_write_lr, + 0x00000000); + spr_register(env, SPR_CTR, "CTR", + &spr_read_ctr, &spr_write_ctr, + &spr_read_ctr, &spr_write_ctr, + 0x00000000); + /* Interrupt processing */ + spr_register(env, SPR_SRR0, "SRR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SRR1, "SRR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Processor control */ + spr_register(env, SPR_SPRG0, "SPRG0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG1, "SPRG1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG2, "SPRG2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_SPRG3, "SPRG3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); +} + +/* SPR common to all non-embedded PowerPC, including 601 */ +static void gen_spr_ne_601 (CPUPPCState *env) +{ + /* Exception processing */ + spr_register(env, SPR_DSISR, "DSISR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + spr_register(env, SPR_DAR, "DAR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Timer */ + spr_register(env, SPR_DECR, "DECR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_decr, &spr_write_decr, + 0x00000000); + /* Memory management */ + spr_register(env, SPR_SDR1, "SDR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_sdr1, &spr_write_sdr1, + 0x00000000); +} + +/* BATs 0-3 */ +static void gen_low_BATs (CPUPPCState *env) +{ + spr_register(env, SPR_IBAT0U, "IBAT0U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT0L, "IBAT0L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT1U, "IBAT1U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT1L, "IBAT1L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT2U, "IBAT2U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT2L, "IBAT2L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_IBAT3U, "IBAT3U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatu, + 0x00000000); + spr_register(env, SPR_IBAT3L, "IBAT3L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat, &spr_write_ibatl, + 0x00000000); + spr_register(env, SPR_DBAT0U, "DBAT0U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT0L, "DBAT0L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT1U, "DBAT1U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT1L, "DBAT1L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT2U, "DBAT2U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT2L, "DBAT2L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + spr_register(env, SPR_DBAT3U, "DBAT3U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatu, + 0x00000000); + spr_register(env, SPR_DBAT3L, "DBAT3L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat, &spr_write_dbatl, + 0x00000000); + env->nb_BATs = 4; +} + +/* BATs 4-7 */ +static void gen_high_BATs (CPUPPCState *env) +{ + spr_register(env, SPR_IBAT4U, "IBAT4U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT4L, "IBAT4L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT5U, "IBAT5U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT5L, "IBAT5L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT6U, "IBAT6U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT6L, "IBAT6L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_IBAT7U, "IBAT7U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatu_h, + 0x00000000); + spr_register(env, SPR_IBAT7L, "IBAT7L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_ibat_h, &spr_write_ibatl_h, + 0x00000000); + spr_register(env, SPR_DBAT4U, "DBAT4U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT4L, "DBAT4L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT5U, "DBAT5U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT5L, "DBAT5L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT6U, "DBAT6U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT6L, "DBAT6L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + spr_register(env, SPR_DBAT7U, "DBAT7U", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatu_h, + 0x00000000); + spr_register(env, SPR_DBAT7L, "DBAT7L", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_dbat_h, &spr_write_dbatl_h, + 0x00000000); + env->nb_BATs = 8; +} + +/* Generic PowerPC time base */ +static void gen_tbl (CPUPPCState *env) +{ + spr_register(env, SPR_VTBL, "TBL", + &spr_read_tbl, SPR_NOACCESS, + &spr_read_tbl, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_TBL, "TBL", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, &spr_write_tbl, + 0x00000000); + spr_register(env, SPR_VTBU, "TBU", + &spr_read_tbu, SPR_NOACCESS, + &spr_read_tbu, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_TBU, "TBU", + SPR_NOACCESS, SPR_NOACCESS, + SPR_NOACCESS, &spr_write_tbu, + 0x00000000); +} + +/* SPR common to all 7xx PowerPC implementations */ +static void gen_spr_7xx (CPUPPCState *env) +{ + /* Breakpoints */ + /* XXX : not implemented */ + spr_register(env, SPR_DABR, "DABR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_IABR, "IABR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Cache management */ + /* XXX : not implemented */ + spr_register(env, SPR_ICTC, "ICTC", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Performance monitors */ + /* XXX : not implemented */ + spr_register(env, SPR_MMCR0, "MMCR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_MMCR1, "MMCR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC1, "PMC1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC2, "PMC2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC3, "PMC3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC4, "PMC4", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_SIA, "SIA", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UMMCR0, "UMMCR0", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UMMCR1, "UMMCR1", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UPMC1, "UPMC1", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UPMC2, "UPMC2", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UPMC3, "UPMC3", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_UPMC4, "UPMC4", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + spr_register(env, SPR_USIA, "USIA", + &spr_read_ureg, SPR_NOACCESS, + &spr_read_ureg, SPR_NOACCESS, + 0x00000000); + /* Thermal management */ + /* XXX : not implemented */ + spr_register(env, SPR_THRM1, "THRM1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_THRM2, "THRM2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_THRM3, "THRM3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* External access control */ + /* XXX : not implemented */ + spr_register(env, SPR_EAR, "EAR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); +} + +/* SPR specific to PowerPC 604 implementation */ +static void gen_spr_604 (CPUPPCState *env) +{ + /* Processor identification */ + spr_register(env, SPR_PIR, "PIR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_pir, + 0x00000000); + /* Breakpoints */ + /* XXX : not implemented */ + spr_register(env, SPR_IABR, "IABR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_DABR, "DABR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Performance counters */ + /* XXX : not implemented */ + spr_register(env, SPR_MMCR0, "MMCR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_MMCR1, "MMCR1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC1, "PMC1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC2, "PMC2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC3, "PMC3", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_PMC4, "PMC4", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_SIA, "SIA", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_SDA, "SDA", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); + /* External access control */ + /* XXX : not implemented */ + spr_register(env, SPR_EAR, "EAR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); +} + +// XXX: TODO (64 bits PPC sprs) +/* + * ASR => SPR 280 (64 bits) + * FPECR => SPR 1022 (?) + * VRSAVE => SPR 256 (Altivec) + * SCOMC => SPR 276 (64 bits ?) + * SCOMD => SPR 277 (64 bits ?) + * HSPRG0 => SPR 304 (hypervisor) + * HSPRG1 => SPR 305 (hypervisor) + * HDEC => SPR 310 (hypervisor) + * HIOR => SPR 311 (hypervisor) + * RMOR => SPR 312 (970) + * HRMOR => SPR 313 (hypervisor) + * HSRR0 => SPR 314 (hypervisor) + * HSRR1 => SPR 315 (hypervisor) + * LPCR => SPR 316 (970) + * LPIDR => SPR 317 (970) + * ... and more (thermal management, performance counters, ...) + */ + +static void init_ppc_proc (CPUPPCState *env, ppc_def_t *def) +{ + /* Default MMU definitions */ + env->nb_BATs = -1; + env->nb_tlb = 0; + env->nb_ways = 0; + /* XXX: missing: + * 32 bits PPC: + * - MPC5xx(x) + * - MPC8xx(x) + * - RCPU (MPC5xx) + */ + spr_register(env, SPR_PVR, "PVR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + def->pvr); + switch (def->pvr & def->pvr_mask) { + case CPU_PPC_604: /* PPC 604 */ + case CPU_PPC_604E: /* PPC 604e */ + case CPU_PPC_604R: /* PPC 604r */ + gen_spr_generic(env); + gen_spr_ne_601(env); + /* Memory management */ + gen_low_BATs(env); + /* Time base */ + gen_tbl(env); + gen_spr_604(env); + /* Hardware implementation registers */ + /* XXX : not implemented */ + spr_register(env, SPR_HID0, "HID0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_HID1, "HID1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + break; + + case CPU_PPC_74x: /* PPC 740 / 750 */ + case CPU_PPC_74xP: /* PPC 740P / 750P */ + case CPU_PPC_750CXE: /* IBM PPC 750cxe */ + gen_spr_generic(env); + gen_spr_ne_601(env); + /* Memory management */ + gen_low_BATs(env); + /* Time base */ + gen_tbl(env); + gen_spr_7xx(env); + /* XXX : not implemented */ + spr_register(env, SPR_L2CR, "L2CR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Hardware implementation registers */ + /* XXX : not implemented */ + spr_register(env, SPR_HID0, "HID0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_HID1, "HID1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + break; + + case CPU_PPC_750FX: /* IBM PPC 750 FX */ + case CPU_PPC_750GX: /* IBM PPC 750 GX */ + gen_spr_generic(env); + gen_spr_ne_601(env); + /* Memory management */ + gen_low_BATs(env); + /* PowerPC 750fx & 750gx has 8 DBATs and 8 IBATs */ + gen_high_BATs(env); + /* Time base */ + gen_tbl(env); + gen_spr_7xx(env); + /* XXX : not implemented */ + spr_register(env, SPR_L2CR, "L2CR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* Hardware implementation registers */ + /* XXX : not implemented */ + spr_register(env, SPR_HID0, "HID0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_HID1, "HID1", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_750_HID2, "HID2", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); + break; + + default: + gen_spr_generic(env); + break; + } + if (env->nb_BATs == -1) + env->nb_BATs = 4; +} + +#if defined(PPC_DUMP_CPU) +static void dump_sprs (CPUPPCState *env) +{ + ppc_spr_t *spr; + uint32_t pvr = env->spr[SPR_PVR]; + uint32_t sr, sw, ur, uw; + int i, j, n; + + printf("* SPRs for PVR=%08x\n", pvr); + for (i = 0; i < 32; i++) { + for (j = 0; j < 32; j++) { + n = (i << 5) | j; + spr = &env->spr_cb[n]; + sw = spr->oea_write != NULL && spr->oea_write != SPR_NOACCESS; + sr = spr->oea_read != NULL && spr->oea_read != SPR_NOACCESS; + uw = spr->uea_write != NULL && spr->uea_write != SPR_NOACCESS; + ur = spr->uea_read != NULL && spr->uea_read != SPR_NOACCESS; + if (sw || sr || uw || ur) { + printf("%4d (%03x) %8s s%c%c u%c%c\n", + (i << 5) | j, (i << 5) | j, spr->name, + sw ? 'w' : '-', sr ? 'r' : '-', + uw ? 'w' : '-', ur ? 'r' : '-'); + } + } + } + fflush(stdout); + fflush(stderr); +} +#endif + +/*****************************************************************************/ +#include <stdlib.h> +#include <string.h> + +int fflush (FILE *stream); + +/* Opcode types */ +enum { + PPC_DIRECT = 0, /* Opcode routine */ + PPC_INDIRECT = 1, /* Indirect opcode table */ +}; + +static inline int is_indirect_opcode (void *handler) +{ + return ((unsigned long)handler & 0x03) == PPC_INDIRECT; +} + +static inline opc_handler_t **ind_table(void *handler) +{ + return (opc_handler_t **)((unsigned long)handler & ~3); +} + +/* Instruction table creation */ +/* Opcodes tables creation */ +static void fill_new_table (opc_handler_t **table, int len) +{ + int i; + + for (i = 0; i < len; i++) + table[i] = &invalid_handler; +} + +static int create_new_table (opc_handler_t **table, unsigned char idx) +{ + opc_handler_t **tmp; + + tmp = malloc(0x20 * sizeof(opc_handler_t)); + if (tmp == NULL) + return -1; + fill_new_table(tmp, 0x20); + table[idx] = (opc_handler_t *)((unsigned long)tmp | PPC_INDIRECT); + + return 0; +} + +static int insert_in_table (opc_handler_t **table, unsigned char idx, + opc_handler_t *handler) +{ + if (table[idx] != &invalid_handler) + return -1; + table[idx] = handler; + + return 0; +} + +static int register_direct_insn (opc_handler_t **ppc_opcodes, + unsigned char idx, opc_handler_t *handler) +{ + if (insert_in_table(ppc_opcodes, idx, handler) < 0) { + printf("*** ERROR: opcode %02x already assigned in main " + "opcode table\n", idx); + return -1; + } + + return 0; +} + +static int register_ind_in_table (opc_handler_t **table, + unsigned char idx1, unsigned char idx2, + opc_handler_t *handler) +{ + if (table[idx1] == &invalid_handler) { + if (create_new_table(table, idx1) < 0) { + printf("*** ERROR: unable to create indirect table " + "idx=%02x\n", idx1); + return -1; + } + } else { + if (!is_indirect_opcode(table[idx1])) { + printf("*** ERROR: idx %02x already assigned to a direct " + "opcode\n", idx1); + return -1; + } + } + if (handler != NULL && + insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) { + printf("*** ERROR: opcode %02x already assigned in " + "opcode table %02x\n", idx2, idx1); + return -1; + } + + return 0; +} + +static int register_ind_insn (opc_handler_t **ppc_opcodes, + unsigned char idx1, unsigned char idx2, + opc_handler_t *handler) +{ + int ret; + + ret = register_ind_in_table(ppc_opcodes, idx1, idx2, handler); + + return ret; +} + +static int register_dblind_insn (opc_handler_t **ppc_opcodes, + unsigned char idx1, unsigned char idx2, + unsigned char idx3, opc_handler_t *handler) +{ + if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { + printf("*** ERROR: unable to join indirect table idx " + "[%02x-%02x]\n", idx1, idx2); + return -1; + } + if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3, + handler) < 0) { + printf("*** ERROR: unable to insert opcode " + "[%02x-%02x-%02x]\n", idx1, idx2, idx3); + return -1; + } + + return 0; +} + +static int register_insn (opc_handler_t **ppc_opcodes, opcode_t *insn) +{ + if (insn->opc2 != 0xFF) { + if (insn->opc3 != 0xFF) { + if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, + insn->opc3, &insn->handler) < 0) + return -1; + } else { + if (register_ind_insn(ppc_opcodes, insn->opc1, + insn->opc2, &insn->handler) < 0) + return -1; + } + } else { + if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) + return -1; + } + + return 0; +} + +static int test_opcode_table (opc_handler_t **table, int len) +{ + int i, count, tmp; + + for (i = 0, count = 0; i < len; i++) { + /* Consistency fixup */ + if (table[i] == NULL) + table[i] = &invalid_handler; + if (table[i] != &invalid_handler) { + if (is_indirect_opcode(table[i])) { + tmp = test_opcode_table(ind_table(table[i]), 0x20); + if (tmp == 0) { + free(table[i]); + table[i] = &invalid_handler; + } else { + count++; + } + } else { + count++; + } + } + } + + return count; +} + +static void fix_opcode_tables (opc_handler_t **ppc_opcodes) +{ + if (test_opcode_table(ppc_opcodes, 0x40) == 0) + printf("*** WARNING: no opcode defined !\n"); +} + +/*****************************************************************************/ +static int create_ppc_opcodes (CPUPPCState *env, ppc_def_t *def) +{ + opcode_t *opc, *start, *end; + + fill_new_table(env->opcodes, 0x40); +#if defined(PPC_DUMP_CPU) + printf("* PPC instructions for PVR %08x: %s\n", def->pvr, def->name); +#endif + if (&opc_start < &opc_end) { + start = &opc_start; + end = &opc_end; + } else { + start = &opc_end; + end = &opc_start; + } + for (opc = start + 1; opc != end; opc++) { + if ((opc->handler.type & def->insns_flags) != 0) { + if (register_insn(env->opcodes, opc) < 0) { + printf("*** ERROR initializing PPC instruction " + "0x%02x 0x%02x 0x%02x\n", opc->opc1, opc->opc2, + opc->opc3); + return -1; + } +#if defined(PPC_DUMP_CPU) + if (opc1 != 0x00) { + if (opc->opc3 == 0xFF) { + if (opc->opc2 == 0xFF) { + printf(" %02x -- -- (%2d ----) : %s\n", + opc->opc1, opc->opc1, opc->oname); + } else { + printf(" %02x %02x -- (%2d %4d) : %s\n", + opc->opc1, opc->opc2, opc->opc1, opc->opc2, + opc->oname); + } + } else { + printf(" %02x %02x %02x (%2d %4d) : %s\n", + opc->opc1, opc->opc2, opc->opc3, + opc->opc1, (opc->opc3 << 5) | opc->opc2, + opc->oname); + } + } +#endif + } + } + fix_opcode_tables(env->opcodes); + fflush(stdout); + fflush(stderr); + + return 0; +} + +int cpu_ppc_register (CPUPPCState *env, ppc_def_t *def) +{ + env->msr_mask = def->msr_mask; + env->flags = def->flags; + if (create_ppc_opcodes(env, def) < 0) { + printf("Error creating opcodes table\n"); + fflush(stdout); + fflush(stderr); + return -1; + } + init_ppc_proc(env, def); +#if defined(PPC_DUMP_CPU) + dump_sprs(env); +#endif + fflush(stdout); + fflush(stderr); + + return 0; +} + +CPUPPCState *cpu_ppc_init(void) +{ + CPUPPCState *env; + + env = qemu_mallocz(sizeof(CPUPPCState)); + if (!env) + return NULL; + cpu_exec_init(env); + tlb_flush(env, 1); +#if defined (DO_SINGLE_STEP) && 0 + /* Single step trace mode */ + msr_se = 1; + msr_be = 1; +#endif + msr_fp = 1; /* Allow floating point exceptions */ + msr_me = 1; /* Allow machine check exceptions */ +#if defined(CONFIG_USER_ONLY) + msr_pr = 1; +#else + env->nip = 0xFFFFFFFC; +#endif + do_compute_hflags(env); + env->reserve = -1; + return env; +} + +void cpu_ppc_close(CPUPPCState *env) +{ + /* Should also remove all opcode tables... */ + free(env); +} + +/*****************************************************************************/ +/* PowerPC CPU definitions */ +static ppc_def_t ppc_defs[] = +{ + /* Embedded PPC */ +#if defined (TODO) + /* PPC 401 */ + { + .name = "401", + .pvr = CPU_PPC_401, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_401, + .flags = PPC_FLAGS_401, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* IOP480 (401 microcontroler) */ + { + .name = "iop480", + .pvr = CPU_PPC_IOP480, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_401, + .flags = PPC_FLAGS_401, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* PPC 403 GA */ + { + .name = "403ga", + .pvr = CPU_PPC_403GA, + .pvr_mask = 0xFFFFFF00, + .insns_flags = PPC_INSNS_403, + .flags = PPC_FLAGS_403, + .msr_mask = 0x000000000007D23D, + }, +#endif +#if defined (TODO) + /* PPC 403 GB */ + { + .name = "403gb", + .pvr = CPU_PPC_403GB, + .pvr_mask = 0xFFFFFF00, + .insns_flags = PPC_INSNS_403, + .flags = PPC_FLAGS_403, + .msr_mask = 0x000000000007D23D, + }, +#endif +#if defined (TODO) + /* PPC 403 GC */ + { + .name = "403gc", + .pvr = CPU_PPC_403GC, + .pvr_mask = 0xFFFFFF00, + .insns_flags = PPC_INSNS_403, + .flags = PPC_FLAGS_403, + .msr_mask = 0x000000000007D23D, + }, +#endif +#if defined (TODO) + /* PPC 403 GCX */ + { + .name = "403gcx", + .pvr = CPU_PPC_403GCX, + .pvr_mask = 0xFFFFFF00, + .insns_flags = PPC_INSNS_403, + .flags = PPC_FLAGS_403, + .msr_mask = 0x000000000007D23D, + }, +#endif +#if defined (TODO) + /* PPC 405 CR */ + { + .name = "405cr", + .pvr = CPU_PPC_405, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 405 GP */ + { + .name = "405gp", + .pvr = CPU_PPC_405, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 405 EP */ + { + .name = "405ep", + .pvr = CPU_PPC_405EP, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 405 GPR */ + { + .name = "405gpr", + .pvr = CPU_PPC_405GPR, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 405 D2 */ + { + .name = "405d2", + .pvr = CPU_PPC_405D2, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 405 D4 */ + { + .name = "405d4", + .pvr = CPU_PPC_405D4, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* Npe405 H */ + { + .name = "Npe405H", + .pvr = CPU_PPC_NPE405H, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* Npe405 L */ + { + .name = "Npe405L", + .pvr = CPU_PPC_NPE405L, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* STB03xx */ + { + .name = "STB03", + .pvr = CPU_PPC_STB03, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* STB04xx */ + { + .name = "STB04", + .pvr = CPU_PPC_STB04, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* STB25xx */ + { + .name = "STB25", + .pvr = CPU_PPC_STB25, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_405, + .msr_mask = 0x00000000020EFF30, + }, +#endif +#if defined (TODO) + /* PPC 440 EP */ + { + .name = "440ep", + .pvr = CPU_PPC_440EP, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_440, + .flags = PPC_FLAGS_440, + .msr_mask = 0x000000000006D630, + }, +#endif +#if defined (TODO) + /* PPC 440 GP */ + { + .name = "440gp", + .pvr = CPU_PPC_440GP, + .pvr_mask = 0xFFFFFF00, + .insns_flags = PPC_INSNS_440, + .flags = PPC_FLAGS_440, + .msr_mask = 0x000000000006D630, + }, +#endif +#if defined (TODO) + /* PPC 440 GX */ + { + .name = "440gx", + .pvr = CPU_PPC_440GX, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_405, + .flags = PPC_FLAGS_440, + .msr_mask = 0x000000000006D630, + }, +#endif + + /* 32 bits "classic" powerpc */ +#if defined (TODO) + /* PPC 601 */ + { + .name = "601", + .pvr = CPU_PPC_601, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_601, + .flags = PPC_FLAGS_601, + .msr_mask = 0x000000000000FD70, + }, +#endif +#if defined (TODO) + /* PPC 602 */ + { + .name = "602", + .pvr = CPU_PPC_602, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_602, + .flags = PPC_FLAGS_602, + .msr_mask = 0x0000000000C7FF73, + }, +#endif +#if defined (TODO) + /* PPC 603 */ + { + .name = "603", + .pvr = CPU_PPC_603, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, +#endif +#if defined (TODO) + /* PPC 603e */ + { + .name = "603e", + .pvr = CPU_PPC_603E, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, + { + .name = "Stretch", + .pvr = CPU_PPC_603E, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, +#endif +#if defined (TODO) + /* PPC 603ev */ + { + .name = "603ev", + .pvr = CPU_PPC_603EV, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, +#endif +#if defined (TODO) + /* PPC 603r */ + { + .name = "603r", + .pvr = CPU_PPC_603R, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, + { + .name = "Goldeneye", + .pvr = CPU_PPC_603R, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_603, + .flags = PPC_FLAGS_603, + .msr_mask = 0x000000000007FF73, + }, +#endif +#if defined (TODO) + /* XXX: TODO: according to Motorola UM, this is a derivative to 603e */ + { + .name = "G2", + .pvr = CPU_PPC_G2, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_G2, + .flags = PPC_FLAGS_G2, + .msr_mask = 0x000000000006FFF2, + }, + { /* Same as G2, with LE mode support */ + .name = "G2le", + .pvr = CPU_PPC_G2LE, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_G2, + .flags = PPC_FLAGS_G2, + .msr_mask = 0x000000000007FFF3, + }, +#endif + /* PPC 604 */ + { + .name = "604", + .pvr = CPU_PPC_604, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_604, + .flags = PPC_FLAGS_604, + .msr_mask = 0x000000000005FF77, + }, + /* PPC 604e */ + { + .name = "604e", + .pvr = CPU_PPC_604E, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_604, + .flags = PPC_FLAGS_604, + .msr_mask = 0x000000000005FF77, + }, + /* PPC 604r */ + { + .name = "604r", + .pvr = CPU_PPC_604R, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_604, + .flags = PPC_FLAGS_604, + .msr_mask = 0x000000000005FF77, + }, + /* generic G3 */ + { + .name = "G3", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#if defined (TODO) + /* MPC740 (G3) */ + { + .name = "740", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, + { + .name = "Arthur", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#endif +#if defined (TODO) + /* MPC745 (G3) */ + { + .name = "745", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x5, + .flags = PPC_FLAGS_7x5, + .msr_mask = 0x000000000007FF77, + }, + { + .name = "Goldfinger", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x5, + .flags = PPC_FLAGS_7x5, + .msr_mask = 0x000000000007FF77, + }, +#endif + /* MPC750 (G3) */ + { + .name = "750", + .pvr = CPU_PPC_74x, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#if defined (TODO) + /* MPC755 (G3) */ + { + .name = "755", + .pvr = CPU_PPC_755, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x5, + .flags = PPC_FLAGS_7x5, + .msr_mask = 0x000000000007FF77, + }, +#endif +#if defined (TODO) + /* MPC740P (G3) */ + { + .name = "740p", + .pvr = CPU_PPC_74xP, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, + { + .name = "Conan/Doyle", + .pvr = CPU_PPC_74xP, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#endif +#if defined (TODO) + /* MPC745P (G3) */ + { + .name = "745p", + .pvr = CPU_PPC_74xP, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x5, + .flags = PPC_FLAGS_7x5, + .msr_mask = 0x000000000007FF77, + }, +#endif + /* MPC750P (G3) */ + { + .name = "750p", + .pvr = CPU_PPC_74xP, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#if defined (TODO) + /* MPC755P (G3) */ + { + .name = "755p", + .pvr = CPU_PPC_74xP, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x5, + .flags = PPC_FLAGS_7x5, + .msr_mask = 0x000000000007FF77, + }, +#endif + /* IBM 750CXe (G3 embedded) */ + { + .name = "750cxe", + .pvr = CPU_PPC_750CXE, + .pvr_mask = 0xFFFFF000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, + /* IBM 750FX (G3 embedded) */ + { + .name = "750fx", + .pvr = CPU_PPC_750FX, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, + /* IBM 750GX (G3 embedded) */ + { + .name = "750gx", + .pvr = CPU_PPC_750GX, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_7x0, + .flags = PPC_FLAGS_7x0, + .msr_mask = 0x000000000007FF77, + }, +#if defined (TODO) + /* generic G4 */ + { + .name = "G4", + .pvr = CPU_PPC_7400, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif +#if defined (TODO) + /* PPC 7400 (G4) */ + { + .name = "7400", + .pvr = CPU_PPC_7400, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Max", + .pvr = CPU_PPC_7400, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif +#if defined (TODO) + /* PPC 7410 (G4) */ + { + .name = "7410", + .pvr = CPU_PPC_7410, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Nitro", + .pvr = CPU_PPC_7410, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif + /* XXX: 7441 */ + /* XXX: 7445 */ + /* XXX: 7447 */ + /* XXX: 7447A */ +#if defined (TODO) + /* PPC 7450 (G4) */ + { + .name = "7450", + .pvr = CPU_PPC_7450, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Vger", + .pvr = CPU_PPC_7450, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif + /* XXX: 7451 */ +#if defined (TODO) + /* PPC 7455 (G4) */ + { + .name = "7455", + .pvr = CPU_PPC_7455, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Apollo 6", + .pvr = CPU_PPC_7455, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif +#if defined (TODO) + /* PPC 7457 (G4) */ + { + .name = "7457", + .pvr = CPU_PPC_7457, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Apollo 7", + .pvr = CPU_PPC_7457, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif +#if defined (TODO) + /* PPC 7457A (G4) */ + { + .name = "7457A", + .pvr = CPU_PPC_7457A, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, + { + .name = "Apollo 7 PM", + .pvr = CPU_PPC_7457A, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_74xx, + .flags = PPC_FLAGS_74xx, + .msr_mask = 0x000000000205FF77, + }, +#endif + /* 64 bits PPC */ +#if defined (TODO) + /* PPC 620 */ + { + .name = "620", + .pvr = CPU_PPC_620, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_620, + .flags = PPC_FLAGS_620, + .msr_mask = 0x800000000005FF73, + }, +#endif +#if defined (TODO) + /* PPC 630 (POWER3) */ + { + .name = "630", + .pvr = CPU_PPC_630, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_630, + .flags = PPC_FLAGS_630, + .msr_mask = xxx, + } + { + .name = "POWER3", + .pvr = CPU_PPC_630, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_630, + .flags = PPC_FLAGS_630, + .msr_mask = xxx, + } +#endif +#if defined (TODO) + /* PPC 631 (Power 3+)*/ + { + .name = "631", + .pvr = CPU_PPC_631, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_631, + .flags = PPC_FLAGS_631, + .msr_mask = xxx, + }, + { + .name = "POWER3+", + .pvr = CPU_PPC_631, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_631, + .flags = PPC_FLAGS_631, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* POWER4 */ + { + .name = "POWER4", + .pvr = CPU_PPC_POWER4, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER4, + .flags = PPC_FLAGS_POWER4, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* POWER4p */ + { + .name = "POWER4+", + .pvr = CPU_PPC_POWER4P, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER4, + .flags = PPC_FLAGS_POWER4, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* POWER5 */ + { + .name = "POWER5", + .pvr = CPU_PPC_POWER5, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER5, + .flags = PPC_FLAGS_POWER5, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* POWER5+ */ + { + .name = "POWER5+", + .pvr = CPU_PPC_POWER5P, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER5, + .flags = PPC_FLAGS_POWER5, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* PPC 970 */ + { + .name = "970", + .pvr = CPU_PPC_970, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_970, + .flags = PPC_FLAGS_970, + .msr_mask = 0x900000000204FF36, + }, +#endif +#if defined (TODO) + /* PPC 970FX (G5) */ + { + .name = "970fx", + .pvr = CPU_PPC_970FX, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_970FX, + .flags = PPC_FLAGS_970FX, + .msr_mask = 0x800000000204FF36, + }, +#endif +#if defined (TODO) + /* RS64 (Apache/A35) */ + /* This one seems to support the whole POWER2 instruction set + * and the PowerPC 64 one. + */ + { + .name = "RS64", + .pvr = CPU_PPC_RS64, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "Apache", + .pvr = CPU_PPC_RS64, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "A35", + .pvr = CPU_PPC_RS64, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* RS64-II (NorthStar/A50) */ + { + .name = "RS64-II", + .pvr = CPU_PPC_RS64II, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "NortStar", + .pvr = CPU_PPC_RS64II, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "A50", + .pvr = CPU_PPC_RS64II, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* RS64-III (Pulsar) */ + { + .name = "RS64-III", + .pvr = CPU_PPC_RS64III, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "Pulsar", + .pvr = CPU_PPC_RS64III, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* RS64-IV (IceStar/IStar/SStar) */ + { + .name = "RS64-IV", + .pvr = CPU_PPC_RS64IV, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "IceStar", + .pvr = CPU_PPC_RS64IV, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "IStar", + .pvr = CPU_PPC_RS64IV, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, + { + .name = "SStar", + .pvr = CPU_PPC_RS64IV, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_RS64, + .flags = PPC_FLAGS_RS64, + .msr_mask = xxx, + }, +#endif + /* POWER */ +#if defined (TODO) + /* Original POWER */ + { + .name = "POWER", + .pvr = CPU_POWER, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER, + .flags = PPC_FLAGS_POWER, + .msr_mask = xxx, + }, +#endif +#if defined (TODO) + /* POWER2 */ + { + .name = "POWER2", + .pvr = CPU_POWER2, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_POWER, + .flags = PPC_FLAGS_POWER, + .msr_mask = xxx, + }, +#endif + /* Generic PowerPCs */ +#if defined (TODO) + { + .name = "ppc64", + .pvr = CPU_PPC_970, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_PPC64, + .flags = PPC_FLAGS_PPC64, + .msr_mask = 0xA00000000204FF36, + }, +#endif + { + .name = "ppc32", + .pvr = CPU_PPC_604, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_PPC32, + .flags = PPC_FLAGS_PPC32, + .msr_mask = 0x000000000005FF77, + }, + /* Fallback */ + { + .name = "ppc", + .pvr = CPU_PPC_604, + .pvr_mask = 0xFFFF0000, + .insns_flags = PPC_INSNS_PPC32, + .flags = PPC_FLAGS_PPC32, + .msr_mask = 0x000000000005FF77, + }, +}; + +int ppc_find_by_name (const unsigned char *name, ppc_def_t **def) +{ + int i, ret; + + ret = -1; + *def = NULL; + for (i = 0; strcmp(ppc_defs[i].name, "ppc") != 0; i++) { + if (strcasecmp(name, ppc_defs[i].name) == 0) { + *def = &ppc_defs[i]; + ret = 0; + break; + } + } + + return ret; +} + +int ppc_find_by_pvr (uint32_t pvr, ppc_def_t **def) +{ + int i, ret; + + ret = -1; + *def = NULL; + for (i = 0; ppc_defs[i].name != NULL; i++) { + if ((pvr & ppc_defs[i].pvr_mask) == + (ppc_defs[i].pvr & ppc_defs[i].pvr_mask)) { + *def = &ppc_defs[i]; + ret = 0; + break; + } + } + + return ret; +} + +void ppc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) +{ + int i; + + for (i = 0; ; i++) { + (*cpu_fprintf)(f, "PowerPC '%s' PVR %08x mask %08x\n", + ppc_defs[i].name, + ppc_defs[i].pvr, ppc_defs[i].pvr_mask); + if (strcmp(ppc_defs[i].name, "ppc") == 0) + break; + } +} |