From 8b23a6c7e1aee255004dd19098d4c2462b61b849 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:30:32 -0800 Subject: auto import from //depot/cupcake/@135843 --- cpu-all.h | 1090 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1090 insertions(+) create mode 100644 cpu-all.h (limited to 'cpu-all.h') diff --git a/cpu-all.h b/cpu-all.h new file mode 100644 index 0000000..8f4cb3c --- /dev/null +++ b/cpu-all.h @@ -0,0 +1,1090 @@ +/* + * defines common to all virtual CPUs + * + * 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 + */ +#ifndef CPU_ALL_H +#define CPU_ALL_H + +#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) +#define WORDS_ALIGNED +#endif + +/* some important defines: + * + * WORDS_ALIGNED : if defined, the host cpu can only make word aligned + * memory accesses. + * + * WORDS_BIGENDIAN : if defined, the host cpu is big endian and + * otherwise little endian. + * + * (TARGET_WORDS_ALIGNED : same for target cpu (not supported yet)) + * + * TARGET_WORDS_BIGENDIAN : same for target cpu + */ + +#include "bswap.h" +#include "softfloat.h" + +#if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) +#define BSWAP_NEEDED +#endif + +#ifdef BSWAP_NEEDED + +static inline uint16_t tswap16(uint16_t s) +{ + return bswap16(s); +} + +static inline uint32_t tswap32(uint32_t s) +{ + return bswap32(s); +} + +static inline uint64_t tswap64(uint64_t s) +{ + return bswap64(s); +} + +static inline void tswap16s(uint16_t *s) +{ + *s = bswap16(*s); +} + +static inline void tswap32s(uint32_t *s) +{ + *s = bswap32(*s); +} + +static inline void tswap64s(uint64_t *s) +{ + *s = bswap64(*s); +} + +#else + +static inline uint16_t tswap16(uint16_t s) +{ + return s; +} + +static inline uint32_t tswap32(uint32_t s) +{ + return s; +} + +static inline uint64_t tswap64(uint64_t s) +{ + return s; +} + +static inline void tswap16s(uint16_t *s) +{ +} + +static inline void tswap32s(uint32_t *s) +{ +} + +static inline void tswap64s(uint64_t *s) +{ +} + +#endif + +#if TARGET_LONG_SIZE == 4 +#define tswapl(s) tswap32(s) +#define tswapls(s) tswap32s((uint32_t *)(s)) +#define bswaptls(s) bswap32s(s) +#else +#define tswapl(s) tswap64(s) +#define tswapls(s) tswap64s((uint64_t *)(s)) +#define bswaptls(s) bswap64s(s) +#endif + +typedef union { + float32 f; + uint32_t l; +} CPU_FloatU; + +/* NOTE: arm FPA is horrible as double 32 bit words are stored in big + endian ! */ +typedef union { + float64 d; +#if defined(WORDS_BIGENDIAN) \ + || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT)) + struct { + uint32_t upper; + uint32_t lower; + } l; +#else + struct { + uint32_t lower; + uint32_t upper; + } l; +#endif + uint64_t ll; +} CPU_DoubleU; + +#ifdef TARGET_SPARC +typedef union { + float128 q; +#if defined(WORDS_BIGENDIAN) \ + || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT)) + struct { + uint32_t upmost; + uint32_t upper; + uint32_t lower; + uint32_t lowest; + } l; + struct { + uint64_t upper; + uint64_t lower; + } ll; +#else + struct { + uint32_t lowest; + uint32_t lower; + uint32_t upper; + uint32_t upmost; + } l; + struct { + uint64_t lower; + uint64_t upper; + } ll; +#endif +} CPU_QuadU; +#endif + +/* CPU memory access without any memory or io remapping */ + +/* + * the generic syntax for the memory accesses is: + * + * load: ld{type}{sign}{size}{endian}_{access_type}(ptr) + * + * store: st{type}{size}{endian}_{access_type}(ptr, val) + * + * type is: + * (empty): integer access + * f : float access + * + * sign is: + * (empty): for floats or 32 bit size + * u : unsigned + * s : signed + * + * size is: + * b: 8 bits + * w: 16 bits + * l: 32 bits + * q: 64 bits + * + * endian is: + * (empty): target cpu endianness or 8 bit access + * r : reversed target cpu endianness (not implemented yet) + * be : big endian (not implemented yet) + * le : little endian (not implemented yet) + * + * access_type is: + * raw : host memory access + * user : user mode access using soft MMU + * kernel : kernel mode access using soft MMU + */ +static inline int ldub_p(void *ptr) +{ + return *(uint8_t *)ptr; +} + +static inline int ldsb_p(void *ptr) +{ + return *(int8_t *)ptr; +} + +static inline void stb_p(void *ptr, int v) +{ + *(uint8_t *)ptr = v; +} + +/* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the + kernel handles unaligned load/stores may give better results, but + it is a system wide setting : bad */ +#if defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED) + +/* conservative code for little endian unaligned accesses */ +static inline int lduw_le_p(void *ptr) +{ +#ifdef __powerpc__ + int val; + __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); + return val; +#else + uint8_t *p = ptr; + return p[0] | (p[1] << 8); +#endif +} + +static inline int ldsw_le_p(void *ptr) +{ +#ifdef __powerpc__ + int val; + __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); + return (int16_t)val; +#else + uint8_t *p = ptr; + return (int16_t)(p[0] | (p[1] << 8)); +#endif +} + +static inline int ldl_le_p(void *ptr) +{ +#ifdef __powerpc__ + int val; + __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr)); + return val; +#else + uint8_t *p = ptr; + return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); +#endif +} + +static inline uint64_t ldq_le_p(void *ptr) +{ + uint8_t *p = ptr; + uint32_t v1, v2; + v1 = ldl_le_p(p); + v2 = ldl_le_p(p + 4); + return v1 | ((uint64_t)v2 << 32); +} + +static inline void stw_le_p(void *ptr, int v) +{ +#ifdef __powerpc__ + __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); +#else + uint8_t *p = ptr; + p[0] = v; + p[1] = v >> 8; +#endif +} + +static inline void stl_le_p(void *ptr, int v) +{ +#ifdef __powerpc__ + __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); +#else + uint8_t *p = ptr; + p[0] = v; + p[1] = v >> 8; + p[2] = v >> 16; + p[3] = v >> 24; +#endif +} + +static inline void stq_le_p(void *ptr, uint64_t v) +{ + uint8_t *p = ptr; + stl_le_p(p, (uint32_t)v); + stl_le_p(p + 4, v >> 32); +} + +/* float access */ + +static inline float32 ldfl_le_p(void *ptr) +{ + union { + float32 f; + uint32_t i; + } u; + u.i = ldl_le_p(ptr); + return u.f; +} + +static inline void stfl_le_p(void *ptr, float32 v) +{ + union { + float32 f; + uint32_t i; + } u; + u.f = v; + stl_le_p(ptr, u.i); +} + +static inline float64 ldfq_le_p(void *ptr) +{ + CPU_DoubleU u; + u.l.lower = ldl_le_p(ptr); + u.l.upper = ldl_le_p(ptr + 4); + return u.d; +} + +static inline void stfq_le_p(void *ptr, float64 v) +{ + CPU_DoubleU u; + u.d = v; + stl_le_p(ptr, u.l.lower); + stl_le_p(ptr + 4, u.l.upper); +} + +#else + +static inline int lduw_le_p(void *ptr) +{ + return *(uint16_t *)ptr; +} + +static inline int ldsw_le_p(void *ptr) +{ + return *(int16_t *)ptr; +} + +static inline int ldl_le_p(void *ptr) +{ + return *(uint32_t *)ptr; +} + +static inline uint64_t ldq_le_p(void *ptr) +{ + return *(uint64_t *)ptr; +} + +static inline void stw_le_p(void *ptr, int v) +{ + *(uint16_t *)ptr = v; +} + +static inline void stl_le_p(void *ptr, int v) +{ + *(uint32_t *)ptr = v; +} + +static inline void stq_le_p(void *ptr, uint64_t v) +{ +#if defined(__i386__) && __GNUC__ >= 4 + const union { uint64_t v; uint32_t p[2]; } x = { .v = v }; + ((uint32_t *)ptr)[0] = x.p[0]; + ((uint32_t *)ptr)[1] = x.p[1]; +#else + *(uint64_t *)ptr = v; +#endif +} + +/* float access */ + +static inline float32 ldfl_le_p(void *ptr) +{ + return *(float32 *)ptr; +} + +static inline float64 ldfq_le_p(void *ptr) +{ + return *(float64 *)ptr; +} + +static inline void stfl_le_p(void *ptr, float32 v) +{ + *(float32 *)ptr = v; +} + +static inline void stfq_le_p(void *ptr, float64 v) +{ + *(float64 *)ptr = v; +} +#endif + +#if !defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED) + +static inline int lduw_be_p(void *ptr) +{ +#if defined(__i386__) + int val; + asm volatile ("movzwl %1, %0\n" + "xchgb %b0, %h0\n" + : "=q" (val) + : "m" (*(uint16_t *)ptr)); + return val; +#else + uint8_t *b = (uint8_t *) ptr; + return ((b[0] << 8) | b[1]); +#endif +} + +static inline int ldsw_be_p(void *ptr) +{ +#if defined(__i386__) + int val; + asm volatile ("movzwl %1, %0\n" + "xchgb %b0, %h0\n" + : "=q" (val) + : "m" (*(uint16_t *)ptr)); + return (int16_t)val; +#else + uint8_t *b = (uint8_t *) ptr; + return (int16_t)((b[0] << 8) | b[1]); +#endif +} + +static inline int ldl_be_p(void *ptr) +{ +#if defined(__i386__) || defined(__x86_64__) + int val; + asm volatile ("movl %1, %0\n" + "bswap %0\n" + : "=r" (val) + : "m" (*(uint32_t *)ptr)); + return val; +#else + uint8_t *b = (uint8_t *) ptr; + return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]; +#endif +} + +static inline uint64_t ldq_be_p(void *ptr) +{ + uint32_t a,b; + a = ldl_be_p(ptr); + b = ldl_be_p((uint8_t *)ptr + 4); + return (((uint64_t)a<<32)|b); +} + +static inline void stw_be_p(void *ptr, int v) +{ +#if defined(__i386__) + asm volatile ("xchgb %b0, %h0\n" + "movw %w0, %1\n" + : "=q" (v) + : "m" (*(uint16_t *)ptr), "0" (v)); +#else + uint8_t *d = (uint8_t *) ptr; + d[0] = v >> 8; + d[1] = v; +#endif +} + +static inline void stl_be_p(void *ptr, int v) +{ +#if defined(__i386__) || defined(__x86_64__) + asm volatile ("bswap %0\n" + "movl %0, %1\n" + : "=r" (v) + : "m" (*(uint32_t *)ptr), "0" (v)); +#else + uint8_t *d = (uint8_t *) ptr; + d[0] = v >> 24; + d[1] = v >> 16; + d[2] = v >> 8; + d[3] = v; +#endif +} + +static inline void stq_be_p(void *ptr, uint64_t v) +{ + stl_be_p(ptr, v >> 32); + stl_be_p((uint8_t *)ptr + 4, v); +} + +/* float access */ + +static inline float32 ldfl_be_p(void *ptr) +{ + union { + float32 f; + uint32_t i; + } u; + u.i = ldl_be_p(ptr); + return u.f; +} + +static inline void stfl_be_p(void *ptr, float32 v) +{ + union { + float32 f; + uint32_t i; + } u; + u.f = v; + stl_be_p(ptr, u.i); +} + +static inline float64 ldfq_be_p(void *ptr) +{ + CPU_DoubleU u; + u.l.upper = ldl_be_p(ptr); + u.l.lower = ldl_be_p((uint8_t *)ptr + 4); + return u.d; +} + +static inline void stfq_be_p(void *ptr, float64 v) +{ + CPU_DoubleU u; + u.d = v; + stl_be_p(ptr, u.l.upper); + stl_be_p((uint8_t *)ptr + 4, u.l.lower); +} + +#else + +static inline int lduw_be_p(void *ptr) +{ + return *(uint16_t *)ptr; +} + +static inline int ldsw_be_p(void *ptr) +{ + return *(int16_t *)ptr; +} + +static inline int ldl_be_p(void *ptr) +{ + return *(uint32_t *)ptr; +} + +static inline uint64_t ldq_be_p(void *ptr) +{ + return *(uint64_t *)ptr; +} + +static inline void stw_be_p(void *ptr, int v) +{ + *(uint16_t *)ptr = v; +} + +static inline void stl_be_p(void *ptr, int v) +{ + *(uint32_t *)ptr = v; +} + +static inline void stq_be_p(void *ptr, uint64_t v) +{ + *(uint64_t *)ptr = v; +} + +/* float access */ + +static inline float32 ldfl_be_p(void *ptr) +{ + return *(float32 *)ptr; +} + +static inline float64 ldfq_be_p(void *ptr) +{ + return *(float64 *)ptr; +} + +static inline void stfl_be_p(void *ptr, float32 v) +{ + *(float32 *)ptr = v; +} + +static inline void stfq_be_p(void *ptr, float64 v) +{ + *(float64 *)ptr = v; +} + +#endif + +/* target CPU memory access functions */ +#if defined(TARGET_WORDS_BIGENDIAN) +#define lduw_p(p) lduw_be_p(p) +#define ldsw_p(p) ldsw_be_p(p) +#define ldl_p(p) ldl_be_p(p) +#define ldq_p(p) ldq_be_p(p) +#define ldfl_p(p) ldfl_be_p(p) +#define ldfq_p(p) ldfq_be_p(p) +#define stw_p(p, v) stw_be_p(p, v) +#define stl_p(p, v) stl_be_p(p, v) +#define stq_p(p, v) stq_be_p(p, v) +#define stfl_p(p, v) stfl_be_p(p, v) +#define stfq_p(p, v) stfq_be_p(p, v) +#else +#define lduw_p(p) lduw_le_p(p) +#define ldsw_p(p) ldsw_le_p(p) +#define ldl_p(p) ldl_le_p(p) +#define ldq_p(p) ldq_le_p(p) +#define ldfl_p(p) ldfl_le_p(p) +#define ldfq_p(p) ldfq_le_p(p) +#define stw_p(p, v) stw_le_p(p, v) +#define stl_p(p, v) stl_le_p(p, v) +#define stq_p(p, v) stq_le_p(p, v) +#define stfl_p(p, v) stfl_le_p(p, v) +#define stfq_p(p, v) stfq_le_p(p, v) +#endif + +/* MMU memory access macros */ + +#if defined(CONFIG_USER_ONLY) +/* On some host systems the guest address space is reserved on the host. + * This allows the guest address space to be offset to a convenient location. + */ +//#define GUEST_BASE 0x20000000 +#define GUEST_BASE 0 + +/* All direct uses of g2h and h2g need to go away for usermode softmmu. */ +#define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE)) +#define h2g(x) ((target_ulong)((unsigned long)(x) - GUEST_BASE)) + +#define saddr(x) g2h(x) +#define laddr(x) g2h(x) + +#else /* !CONFIG_USER_ONLY */ +/* NOTE: we use double casts if pointers and target_ulong have + different sizes */ +#define saddr(x) (uint8_t *)(long)(x) +#define laddr(x) (uint8_t *)(long)(x) +#endif + +#define ldub_raw(p) ldub_p(laddr((p))) +#define ldsb_raw(p) ldsb_p(laddr((p))) +#define lduw_raw(p) lduw_p(laddr((p))) +#define ldsw_raw(p) ldsw_p(laddr((p))) +#define ldl_raw(p) ldl_p(laddr((p))) +#define ldq_raw(p) ldq_p(laddr((p))) +#define ldfl_raw(p) ldfl_p(laddr((p))) +#define ldfq_raw(p) ldfq_p(laddr((p))) +#define stb_raw(p, v) stb_p(saddr((p)), v) +#define stw_raw(p, v) stw_p(saddr((p)), v) +#define stl_raw(p, v) stl_p(saddr((p)), v) +#define stq_raw(p, v) stq_p(saddr((p)), v) +#define stfl_raw(p, v) stfl_p(saddr((p)), v) +#define stfq_raw(p, v) stfq_p(saddr((p)), v) + + +#if defined(CONFIG_USER_ONLY) + +/* if user mode, no other memory access functions */ +#define ldub(p) ldub_raw(p) +#define ldsb(p) ldsb_raw(p) +#define lduw(p) lduw_raw(p) +#define ldsw(p) ldsw_raw(p) +#define ldl(p) ldl_raw(p) +#define ldq(p) ldq_raw(p) +#define ldfl(p) ldfl_raw(p) +#define ldfq(p) ldfq_raw(p) +#define stb(p, v) stb_raw(p, v) +#define stw(p, v) stw_raw(p, v) +#define stl(p, v) stl_raw(p, v) +#define stq(p, v) stq_raw(p, v) +#define stfl(p, v) stfl_raw(p, v) +#define stfq(p, v) stfq_raw(p, v) + +#define ldub_code(p) ldub_raw(p) +#define ldsb_code(p) ldsb_raw(p) +#define lduw_code(p) lduw_raw(p) +#define ldsw_code(p) ldsw_raw(p) +#define ldl_code(p) ldl_raw(p) +#define ldq_code(p) ldq_raw(p) + +#define ldub_kernel(p) ldub_raw(p) +#define ldsb_kernel(p) ldsb_raw(p) +#define lduw_kernel(p) lduw_raw(p) +#define ldsw_kernel(p) ldsw_raw(p) +#define ldl_kernel(p) ldl_raw(p) +#define ldq_kernel(p) ldq_raw(p) +#define ldfl_kernel(p) ldfl_raw(p) +#define ldfq_kernel(p) ldfq_raw(p) +#define stb_kernel(p, v) stb_raw(p, v) +#define stw_kernel(p, v) stw_raw(p, v) +#define stl_kernel(p, v) stl_raw(p, v) +#define stq_kernel(p, v) stq_raw(p, v) +#define stfl_kernel(p, v) stfl_raw(p, v) +#define stfq_kernel(p, vt) stfq_raw(p, v) + +#endif /* defined(CONFIG_USER_ONLY) */ + +/* page related stuff */ + +#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) +#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) +#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) + +/* ??? These should be the larger of unsigned long and target_ulong. */ +extern unsigned long qemu_real_host_page_size; +extern unsigned long qemu_host_page_bits; +extern unsigned long qemu_host_page_size; +extern unsigned long qemu_host_page_mask; + +#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask) + +/* same as PROT_xxx */ +#define PAGE_READ 0x0001 +#define PAGE_WRITE 0x0002 +#define PAGE_EXEC 0x0004 +#define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC) +#define PAGE_VALID 0x0008 +/* original state of the write flag (used when tracking self-modifying + code */ +#define PAGE_WRITE_ORG 0x0010 +#define PAGE_RESERVED 0x0020 + +void page_dump(FILE *f); +int page_get_flags(target_ulong address); +void page_set_flags(target_ulong start, target_ulong end, int flags); +int page_check_range(target_ulong start, target_ulong len, int flags); + +void cpu_exec_init_all(unsigned long tb_size); +CPUState *cpu_copy(CPUState *env); + +void cpu_dump_state(CPUState *env, FILE *f, + int (*cpu_fprintf)(FILE *f, const char *fmt, ...), + int flags); +void cpu_dump_statistics (CPUState *env, FILE *f, + int (*cpu_fprintf)(FILE *f, const char *fmt, ...), + int flags); + +void cpu_abort(CPUState *env, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + __attribute__ ((__noreturn__)); +extern CPUState *first_cpu; +extern CPUState *cpu_single_env; +extern int64_t qemu_icount; +extern int use_icount; + +#define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */ +#define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ +#define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */ +#define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */ +#define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */ +#define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */ +#define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */ +#define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */ +#define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */ +#define CPU_INTERRUPT_NMI 0x200 /* NMI pending. */ + +void cpu_interrupt(CPUState *s, int mask); +void cpu_reset_interrupt(CPUState *env, int mask); + +int cpu_watchpoint_insert(CPUState *env, target_ulong addr, int type); +int cpu_watchpoint_remove(CPUState *env, target_ulong addr); +void cpu_watchpoint_remove_all(CPUState *env); +int cpu_breakpoint_insert(CPUState *env, target_ulong pc); +int cpu_breakpoint_remove(CPUState *env, target_ulong pc); +void cpu_breakpoint_remove_all(CPUState *env); + +#define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */ +#define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */ +#define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */ + +void cpu_single_step(CPUState *env, int enabled); +void cpu_reset(CPUState *s); + +/* Return the physical page corresponding to a virtual one. Use it + only for debugging because no protection checks are done. Return -1 + if no page found. */ +target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr); + +#define CPU_LOG_TB_OUT_ASM (1 << 0) +#define CPU_LOG_TB_IN_ASM (1 << 1) +#define CPU_LOG_TB_OP (1 << 2) +#define CPU_LOG_TB_OP_OPT (1 << 3) +#define CPU_LOG_INT (1 << 4) +#define CPU_LOG_EXEC (1 << 5) +#define CPU_LOG_PCALL (1 << 6) +#define CPU_LOG_IOPORT (1 << 7) +#define CPU_LOG_TB_CPU (1 << 8) + +/* define log items */ +typedef struct CPULogItem { + int mask; + const char *name; + const char *help; +} CPULogItem; + +extern CPULogItem cpu_log_items[]; + +void cpu_set_log(int log_flags); +void cpu_set_log_filename(const char *filename); +int cpu_str_to_log_mask(const char *str); + +/* IO ports API */ + +/* NOTE: as these functions may be even used when there is an isa + brige on non x86 targets, we always defined them */ +#ifndef NO_CPU_IO_DEFS +void cpu_outb(CPUState *env, int addr, int val); +void cpu_outw(CPUState *env, int addr, int val); +void cpu_outl(CPUState *env, int addr, int val); +int cpu_inb(CPUState *env, int addr); +int cpu_inw(CPUState *env, int addr); +int cpu_inl(CPUState *env, int addr); +#endif + +/* address in the RAM (different from a physical address) */ +#ifdef USE_KQEMU +typedef uint32_t ram_addr_t; +#else +typedef unsigned long ram_addr_t; +#endif + +/* memory API */ + +extern ram_addr_t phys_ram_size; +extern int phys_ram_fd; +extern uint8_t *phys_ram_base; +extern uint8_t *phys_ram_dirty; +extern ram_addr_t ram_size; + +/* physical memory access */ + +/* MMIO pages are identified by a combination of an IO device index and + 3 flags. The ROMD code stores the page ram offset in iotlb entry, + so only a limited number of ids are avaiable. */ + +#define IO_MEM_SHIFT 3 +#define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT)) + +#define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ +#define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ +#define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) +#define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT) + +/* Acts like a ROM when read and like a device when written. */ +#define IO_MEM_ROMD (1) +#define IO_MEM_SUBPAGE (2) +#define IO_MEM_SUBWIDTH (4) + +/* Flags stored in the low bits of the TLB virtual address. These are + defined so that fast path ram access is all zeros. */ +/* Zero if TLB entry is valid. */ +#define TLB_INVALID_MASK (1 << 3) +/* Set if TLB entry references a clean RAM page. The iotlb entry will + contain the page physical address. */ +#define TLB_NOTDIRTY (1 << 4) +/* Set if TLB entry is an IO callback. */ +#define TLB_MMIO (1 << 5) + +typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value); +typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr); + +void cpu_register_physical_memory(target_phys_addr_t start_addr, + ram_addr_t size, + ram_addr_t phys_offset); +ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr); +ram_addr_t qemu_ram_alloc(ram_addr_t); +void qemu_ram_free(ram_addr_t addr); +int cpu_register_io_memory(int io_index, + CPUReadMemoryFunc **mem_read, + CPUWriteMemoryFunc **mem_write, + void *opaque); +CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index); +CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index); + +void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, + int len, int is_write); +static inline void cpu_physical_memory_read(target_phys_addr_t addr, + uint8_t *buf, int len) +{ + cpu_physical_memory_rw(addr, buf, len, 0); +} +static inline void cpu_physical_memory_write(target_phys_addr_t addr, + const uint8_t *buf, int len) +{ + cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1); +} +uint32_t ldub_phys(target_phys_addr_t addr); +uint32_t lduw_phys(target_phys_addr_t addr); +uint32_t ldl_phys(target_phys_addr_t addr); +uint64_t ldq_phys(target_phys_addr_t addr); +void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val); +void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val); +void stb_phys(target_phys_addr_t addr, uint32_t val); +void stw_phys(target_phys_addr_t addr, uint32_t val); +void stl_phys(target_phys_addr_t addr, uint32_t val); +void stq_phys(target_phys_addr_t addr, uint64_t val); + +void cpu_physical_memory_write_rom(target_phys_addr_t addr, + const uint8_t *buf, int len); +int cpu_memory_rw_debug(CPUState *env, target_ulong addr, + uint8_t *buf, int len, int is_write); + +#define VGA_DIRTY_FLAG 0x01 +#define CODE_DIRTY_FLAG 0x02 + +/* read dirty bit (return 0 or 1) */ +static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) +{ + return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff; +} + +static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, + int dirty_flags) +{ + return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags; +} + +static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) +{ + phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff; +} + +void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, + int dirty_flags); +void cpu_tlb_update_dirty(CPUState *env); + +void dump_exec_info(FILE *f, + int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); + +/*******************************************/ +/* host CPU ticks (if available) */ + +#if defined(__powerpc__) + +static inline uint32_t get_tbl(void) +{ + uint32_t tbl; + asm volatile("mftb %0" : "=r" (tbl)); + return tbl; +} + +static inline uint32_t get_tbu(void) +{ + uint32_t tbl; + asm volatile("mftbu %0" : "=r" (tbl)); + return tbl; +} + +static inline int64_t cpu_get_real_ticks(void) +{ + uint32_t l, h, h1; + /* NOTE: we test if wrapping has occurred */ + do { + h = get_tbu(); + l = get_tbl(); + h1 = get_tbu(); + } while (h != h1); + return ((int64_t)h << 32) | l; +} + +#elif defined(__i386__) + +static inline int64_t cpu_get_real_ticks(void) +{ + int64_t val; + asm volatile ("rdtsc" : "=A" (val)); + return val; +} + +#elif defined(__x86_64__) + +static inline int64_t cpu_get_real_ticks(void) +{ + uint32_t low,high; + int64_t val; + asm volatile("rdtsc" : "=a" (low), "=d" (high)); + val = high; + val <<= 32; + val |= low; + return val; +} + +#elif defined(__hppa__) + +static inline int64_t cpu_get_real_ticks(void) +{ + int val; + asm volatile ("mfctl %%cr16, %0" : "=r"(val)); + return val; +} + +#elif defined(__ia64) + +static inline int64_t cpu_get_real_ticks(void) +{ + int64_t val; + asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); + return val; +} + +#elif defined(__s390__) + +static inline int64_t cpu_get_real_ticks(void) +{ + int64_t val; + asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); + return val; +} + +#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__) + +static inline int64_t cpu_get_real_ticks (void) +{ +#if defined(_LP64) + uint64_t rval; + asm volatile("rd %%tick,%0" : "=r"(rval)); + return rval; +#else + union { + uint64_t i64; + struct { + uint32_t high; + uint32_t low; + } i32; + } rval; + asm volatile("rd %%tick,%1; srlx %1,32,%0" + : "=r"(rval.i32.high), "=r"(rval.i32.low)); + return rval.i64; +#endif +} + +#elif defined(__mips__) + +static inline int64_t cpu_get_real_ticks(void) +{ +#if __mips_isa_rev >= 2 + uint32_t count; + static uint32_t cyc_per_count = 0; + + if (!cyc_per_count) + __asm__ __volatile__("rdhwr %0, $3" : "=r" (cyc_per_count)); + + __asm__ __volatile__("rdhwr %1, $2" : "=r" (count)); + return (int64_t)(count * cyc_per_count); +#else + /* FIXME */ + static int64_t ticks = 0; + return ticks++; +#endif +} + +#else +/* The host CPU doesn't have an easily accessible cycle counter. + Just return a monotonically increasing value. This will be + totally wrong, but hopefully better than nothing. */ +static inline int64_t cpu_get_real_ticks (void) +{ + static int64_t ticks = 0; + return ticks++; +} +#endif + +/* profiling */ +#ifdef CONFIG_PROFILER +static inline int64_t profile_getclock(void) +{ + return cpu_get_real_ticks(); +} + +extern int64_t kqemu_time, kqemu_time_start; +extern int64_t qemu_time, qemu_time_start; +extern int64_t tlb_flush_time; +extern int64_t kqemu_exec_count; +extern int64_t dev_time; +extern int64_t kqemu_ret_int_count; +extern int64_t kqemu_ret_excp_count; +extern int64_t kqemu_ret_intr_count; +#endif + +#endif /* CPU_ALL_H */ -- cgit v1.1