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Diffstat (limited to 'target-i386/exec.h')
-rw-r--r-- | target-i386/exec.h | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h deleted file mode 100644 index 609a586..0000000 --- a/target-i386/exec.h +++ /dev/null @@ -1,575 +0,0 @@ -/* - * i386 execution defines - * - * Copyright (c) 2003 Fabrice Bellard - * - * 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 "config.h" -#include "dyngen-exec.h" - -/* XXX: factorize this mess */ -#ifdef TARGET_X86_64 -#define TARGET_LONG_BITS 64 -#else -#define TARGET_LONG_BITS 32 -#endif - -#include "cpu-defs.h" - -/* at least 4 register variables are defined */ -register struct CPUX86State *env asm(AREG0); - -#if TARGET_LONG_BITS > HOST_LONG_BITS - -/* no registers can be used */ -#define T0 (env->t0) -#define T1 (env->t1) -#define T2 (env->t2) - -#else - -/* XXX: use unsigned long instead of target_ulong - better code will - be generated for 64 bit CPUs */ -register target_ulong T0 asm(AREG1); -register target_ulong T1 asm(AREG2); -register target_ulong T2 asm(AREG3); - -/* if more registers are available, we define some registers too */ -#ifdef AREG4 -register target_ulong EAX asm(AREG4); -#define reg_EAX -#endif - -#ifdef AREG5 -register target_ulong ESP asm(AREG5); -#define reg_ESP -#endif - -#ifdef AREG6 -register target_ulong EBP asm(AREG6); -#define reg_EBP -#endif - -#ifdef AREG7 -register target_ulong ECX asm(AREG7); -#define reg_ECX -#endif - -#ifdef AREG8 -register target_ulong EDX asm(AREG8); -#define reg_EDX -#endif - -#ifdef AREG9 -register target_ulong EBX asm(AREG9); -#define reg_EBX -#endif - -#ifdef AREG10 -register target_ulong ESI asm(AREG10); -#define reg_ESI -#endif - -#ifdef AREG11 -register target_ulong EDI asm(AREG11); -#define reg_EDI -#endif - -#endif /* ! (TARGET_LONG_BITS > HOST_LONG_BITS) */ - -#define A0 T2 - -extern FILE *logfile; -extern int loglevel; - -#ifndef reg_EAX -#define EAX (env->regs[R_EAX]) -#endif -#ifndef reg_ECX -#define ECX (env->regs[R_ECX]) -#endif -#ifndef reg_EDX -#define EDX (env->regs[R_EDX]) -#endif -#ifndef reg_EBX -#define EBX (env->regs[R_EBX]) -#endif -#ifndef reg_ESP -#define ESP (env->regs[R_ESP]) -#endif -#ifndef reg_EBP -#define EBP (env->regs[R_EBP]) -#endif -#ifndef reg_ESI -#define ESI (env->regs[R_ESI]) -#endif -#ifndef reg_EDI -#define EDI (env->regs[R_EDI]) -#endif -#define EIP (env->eip) -#define DF (env->df) - -#define CC_SRC (env->cc_src) -#define CC_DST (env->cc_dst) -#define CC_OP (env->cc_op) - -/* float macros */ -#define FT0 (env->ft0) -#define ST0 (env->fpregs[env->fpstt].d) -#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d) -#define ST1 ST(1) - -#ifdef USE_FP_CONVERT -#define FP_CONVERT (env->fp_convert) -#endif - -#include "cpu.h" -#include "exec-all.h" - -typedef struct CCTable { - int (*compute_all)(void); /* return all the flags */ - int (*compute_c)(void); /* return the C flag */ -} CCTable; - -extern CCTable cc_table[]; - -void load_seg(int seg_reg, int selector); -void helper_ljmp_protected_T0_T1(int next_eip); -void helper_lcall_real_T0_T1(int shift, int next_eip); -void helper_lcall_protected_T0_T1(int shift, int next_eip); -void helper_iret_real(int shift); -void helper_iret_protected(int shift, int next_eip); -void helper_lret_protected(int shift, int addend); -void helper_lldt_T0(void); -void helper_ltr_T0(void); -void helper_movl_crN_T0(int reg); -void helper_movl_drN_T0(int reg); -void helper_invlpg(target_ulong addr); -void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); -void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); -void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); -void cpu_x86_flush_tlb(CPUX86State *env, target_ulong addr); -int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr, - int is_write, int is_user, int is_softmmu); -void tlb_fill(target_ulong addr, int is_write, int is_user, - void *retaddr); -void __hidden cpu_lock(void); -void __hidden cpu_unlock(void); -void do_interrupt(int intno, int is_int, int error_code, - target_ulong next_eip, int is_hw); -void do_interrupt_user(int intno, int is_int, int error_code, - target_ulong next_eip); -void raise_interrupt(int intno, int is_int, int error_code, - int next_eip_addend); -void raise_exception_err(int exception_index, int error_code); -void raise_exception(int exception_index); -void __hidden cpu_loop_exit(void); - -void OPPROTO op_movl_eflags_T0(void); -void OPPROTO op_movl_T0_eflags(void); -void helper_divl_EAX_T0(void); -void helper_idivl_EAX_T0(void); -void helper_mulq_EAX_T0(void); -void helper_imulq_EAX_T0(void); -void helper_imulq_T0_T1(void); -void helper_divq_EAX_T0(void); -void helper_idivq_EAX_T0(void); -void helper_bswapq_T0(void); -void helper_cmpxchg8b(void); -void helper_cpuid(void); -void helper_enter_level(int level, int data32); -void helper_enter64_level(int level, int data64); -void helper_sysenter(void); -void helper_sysexit(void); -void helper_syscall(int next_eip_addend); -void helper_sysret(int dflag); -void helper_rdtsc(void); -void helper_rdmsr(void); -void helper_wrmsr(void); -void helper_lsl(void); -void helper_lar(void); -void helper_verr(void); -void helper_verw(void); - -void check_iob_T0(void); -void check_iow_T0(void); -void check_iol_T0(void); -void check_iob_DX(void); -void check_iow_DX(void); -void check_iol_DX(void); - -#if !defined(CONFIG_USER_ONLY) - -#include "softmmu_exec.h" - -static inline double ldfq(target_ulong ptr) -{ - union { - double d; - uint64_t i; - } u; - u.i = ldq(ptr); - return u.d; -} - -static inline void stfq(target_ulong ptr, double v) -{ - union { - double d; - uint64_t i; - } u; - u.d = v; - stq(ptr, u.i); -} - -static inline float ldfl(target_ulong ptr) -{ - union { - float f; - uint32_t i; - } u; - u.i = ldl(ptr); - return u.f; -} - -static inline void stfl(target_ulong ptr, float v) -{ - union { - float f; - uint32_t i; - } u; - u.f = v; - stl(ptr, u.i); -} - -#endif /* !defined(CONFIG_USER_ONLY) */ - -#ifdef USE_X86LDOUBLE -/* use long double functions */ -#define floatx_to_int32 floatx80_to_int32 -#define floatx_to_int64 floatx80_to_int64 -#define floatx_to_int32_round_to_zero floatx80_to_int32_round_to_zero -#define floatx_to_int64_round_to_zero floatx80_to_int64_round_to_zero -#define floatx_abs floatx80_abs -#define floatx_chs floatx80_chs -#define floatx_round_to_int floatx80_round_to_int -#define floatx_compare floatx80_compare -#define floatx_compare_quiet floatx80_compare_quiet -#define sin sinl -#define cos cosl -#define sqrt sqrtl -#define pow powl -#define log logl -#define tan tanl -#define atan2 atan2l -#define floor floorl -#define ceil ceill -#define ldexp ldexpl -#else -#define floatx_to_int32 float64_to_int32 -#define floatx_to_int64 float64_to_int64 -#define floatx_to_int32_round_to_zero float64_to_int32_round_to_zero -#define floatx_to_int64_round_to_zero float64_to_int64_round_to_zero -#define floatx_abs float64_abs -#define floatx_chs float64_chs -#define floatx_round_to_int float64_round_to_int -#define floatx_compare float64_compare -#define floatx_compare_quiet float64_compare_quiet -#endif - -extern CPU86_LDouble sin(CPU86_LDouble x); -extern CPU86_LDouble cos(CPU86_LDouble x); -extern CPU86_LDouble sqrt(CPU86_LDouble x); -extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble); -extern CPU86_LDouble log(CPU86_LDouble x); -extern CPU86_LDouble tan(CPU86_LDouble x); -extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble); -extern CPU86_LDouble floor(CPU86_LDouble x); -extern CPU86_LDouble ceil(CPU86_LDouble x); - -#define RC_MASK 0xc00 -#define RC_NEAR 0x000 -#define RC_DOWN 0x400 -#define RC_UP 0x800 -#define RC_CHOP 0xc00 - -#define MAXTAN 9223372036854775808.0 - -#ifdef USE_X86LDOUBLE - -/* only for x86 */ -typedef union { - long double d; - struct { - unsigned long long lower; - unsigned short upper; - } l; -} CPU86_LDoubleU; - -/* the following deal with x86 long double-precision numbers */ -#define MAXEXPD 0x7fff -#define EXPBIAS 16383 -#define EXPD(fp) (fp.l.upper & 0x7fff) -#define SIGND(fp) ((fp.l.upper) & 0x8000) -#define MANTD(fp) (fp.l.lower) -#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS - -#else - -/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */ -typedef union { - double d; -#if !defined(WORDS_BIGENDIAN) && !defined(__arm__) - struct { - uint32_t lower; - int32_t upper; - } l; -#else - struct { - int32_t upper; - uint32_t lower; - } l; -#endif -#ifndef __arm__ - int64_t ll; -#endif -} CPU86_LDoubleU; - -/* the following deal with IEEE double-precision numbers */ -#define MAXEXPD 0x7ff -#define EXPBIAS 1023 -#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF) -#define SIGND(fp) ((fp.l.upper) & 0x80000000) -#ifdef __arm__ -#define MANTD(fp) (fp.l.lower | ((uint64_t)(fp.l.upper & ((1 << 20) - 1)) << 32)) -#else -#define MANTD(fp) (fp.ll & ((1LL << 52) - 1)) -#endif -#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20) -#endif - -static inline void fpush(void) -{ - env->fpstt = (env->fpstt - 1) & 7; - env->fptags[env->fpstt] = 0; /* validate stack entry */ -} - -static inline void fpop(void) -{ - env->fptags[env->fpstt] = 1; /* invvalidate stack entry */ - env->fpstt = (env->fpstt + 1) & 7; -} - -#ifndef USE_X86LDOUBLE -static inline CPU86_LDouble helper_fldt(target_ulong ptr) -{ - CPU86_LDoubleU temp; - int upper, e; - uint64_t ll; - - /* mantissa */ - upper = lduw(ptr + 8); - /* XXX: handle overflow ? */ - e = (upper & 0x7fff) - 16383 + EXPBIAS; /* exponent */ - e |= (upper >> 4) & 0x800; /* sign */ - ll = (ldq(ptr) >> 11) & ((1LL << 52) - 1); -#ifdef __arm__ - temp.l.upper = (e << 20) | (ll >> 32); - temp.l.lower = ll; -#else - temp.ll = ll | ((uint64_t)e << 52); -#endif - return temp.d; -} - -static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr) -{ - CPU86_LDoubleU temp; - int e; - - temp.d = f; - /* mantissa */ - stq(ptr, (MANTD(temp) << 11) | (1LL << 63)); - /* exponent + sign */ - e = EXPD(temp) - EXPBIAS + 16383; - e |= SIGND(temp) >> 16; - stw(ptr + 8, e); -} -#else - -/* XXX: same endianness assumed */ - -#ifdef CONFIG_USER_ONLY - -static inline CPU86_LDouble helper_fldt(target_ulong ptr) -{ - return *(CPU86_LDouble *)ptr; -} - -static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr) -{ - *(CPU86_LDouble *)ptr = f; -} - -#else - -/* we use memory access macros */ - -static inline CPU86_LDouble helper_fldt(target_ulong ptr) -{ - CPU86_LDoubleU temp; - - temp.l.lower = ldq(ptr); - temp.l.upper = lduw(ptr + 8); - return temp.d; -} - -static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr) -{ - CPU86_LDoubleU temp; - - temp.d = f; - stq(ptr, temp.l.lower); - stw(ptr + 8, temp.l.upper); -} - -#endif /* !CONFIG_USER_ONLY */ - -#endif /* USE_X86LDOUBLE */ - -#define FPUS_IE (1 << 0) -#define FPUS_DE (1 << 1) -#define FPUS_ZE (1 << 2) -#define FPUS_OE (1 << 3) -#define FPUS_UE (1 << 4) -#define FPUS_PE (1 << 5) -#define FPUS_SF (1 << 6) -#define FPUS_SE (1 << 7) -#define FPUS_B (1 << 15) - -#define FPUC_EM 0x3f - -extern const CPU86_LDouble f15rk[7]; - -void helper_fldt_ST0_A0(void); -void helper_fstt_ST0_A0(void); -void fpu_raise_exception(void); -CPU86_LDouble helper_fdiv(CPU86_LDouble a, CPU86_LDouble b); -void helper_fbld_ST0_A0(void); -void helper_fbst_ST0_A0(void); -void helper_f2xm1(void); -void helper_fyl2x(void); -void helper_fptan(void); -void helper_fpatan(void); -void helper_fxtract(void); -void helper_fprem1(void); -void helper_fprem(void); -void helper_fyl2xp1(void); -void helper_fsqrt(void); -void helper_fsincos(void); -void helper_frndint(void); -void helper_fscale(void); -void helper_fsin(void); -void helper_fcos(void); -void helper_fxam_ST0(void); -void helper_fstenv(target_ulong ptr, int data32); -void helper_fldenv(target_ulong ptr, int data32); -void helper_fsave(target_ulong ptr, int data32); -void helper_frstor(target_ulong ptr, int data32); -void helper_fxsave(target_ulong ptr, int data64); -void helper_fxrstor(target_ulong ptr, int data64); -void restore_native_fp_state(CPUState *env); -void save_native_fp_state(CPUState *env); -float approx_rsqrt(float a); -float approx_rcp(float a); -void update_fp_status(void); -void helper_hlt(void); -void helper_monitor(void); -void helper_mwait(void); - -extern const uint8_t parity_table[256]; -extern const uint8_t rclw_table[32]; -extern const uint8_t rclb_table[32]; - -static inline uint32_t compute_eflags(void) -{ - return env->eflags | cc_table[CC_OP].compute_all() | (DF & DF_MASK); -} - -/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */ -static inline void load_eflags(int eflags, int update_mask) -{ - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - env->eflags = (env->eflags & ~update_mask) | - (eflags & update_mask); -} - -static inline void env_to_regs(void) -{ -#ifdef reg_EAX - EAX = env->regs[R_EAX]; -#endif -#ifdef reg_ECX - ECX = env->regs[R_ECX]; -#endif -#ifdef reg_EDX - EDX = env->regs[R_EDX]; -#endif -#ifdef reg_EBX - EBX = env->regs[R_EBX]; -#endif -#ifdef reg_ESP - ESP = env->regs[R_ESP]; -#endif -#ifdef reg_EBP - EBP = env->regs[R_EBP]; -#endif -#ifdef reg_ESI - ESI = env->regs[R_ESI]; -#endif -#ifdef reg_EDI - EDI = env->regs[R_EDI]; -#endif -} - -static inline void regs_to_env(void) -{ -#ifdef reg_EAX - env->regs[R_EAX] = EAX; -#endif -#ifdef reg_ECX - env->regs[R_ECX] = ECX; -#endif -#ifdef reg_EDX - env->regs[R_EDX] = EDX; -#endif -#ifdef reg_EBX - env->regs[R_EBX] = EBX; -#endif -#ifdef reg_ESP - env->regs[R_ESP] = ESP; -#endif -#ifdef reg_EBP - env->regs[R_EBP] = EBP; -#endif -#ifdef reg_ESI - env->regs[R_ESI] = ESI; -#endif -#ifdef reg_EDI - env->regs[R_EDI] = EDI; -#endif -} |