exec.h

qemu性能直逼VMware的仿真器QEMU 的模擬速度約為實機的 25％；約為 Bochs 的 60 倍。Plex86、User-Mode-Linux、VMware 和 Virtual PC 則比

#ifndef EXEC_SPARC_H
#define EXEC_SPARC_H 1
#include "dyngen-exec.h"
#include "config.h"

#if defined(__sparc__)
struct CPUSPARCState *env;
#else
register struct CPUSPARCState *env asm(AREG0);
#endif

#ifdef TARGET_SPARC64
#define T0 (env->t0)
#define T1 (env->t1)
#define T2 (env->t2)
#define REGWPTR env->regwptr
#else
#if defined(__sparc__)
register uint32_t T0 asm(AREG3);
register uint32_t T1 asm(AREG2);
#else
register uint32_t T0 asm(AREG1);
register uint32_t T1 asm(AREG2);
#endif

#undef REG_REGWPTR // Broken
#ifdef REG_REGWPTR
#if defined(__sparc__)
register uint32_t *REGWPTR asm(AREG4);
#else
register uint32_t *REGWPTR asm(AREG3);
#endif
#define reg_REGWPTR

#ifdef AREG4
#if defined(__sparc__)
register uint32_t T2 asm(AREG0);
#else
register uint32_t T2 asm(AREG4);
#endif
#define reg_T2
#else
#define T2 (env->t2)
#endif

#else
#define REGWPTR env->regwptr
#if defined(__sparc__)
register uint32_t T2 asm(AREG0);
#else
register uint32_t T2 asm(AREG3);
#endif
#define reg_T2
#endif
#endif

#define FT0 (env->ft0)
#define FT1 (env->ft1)
#define DT0 (env->dt0)
#define DT1 (env->dt1)

#include "cpu.h"
#include "exec-all.h"

void cpu_lock(void);
void cpu_unlock(void);
void cpu_loop_exit(void);
void helper_flush(target_ulong addr);
void helper_ld_asi(int asi, int size, int sign);
void helper_st_asi(int asi, int size, int sign);
void helper_rett(void);
void helper_ldfsr(void);
void set_cwp(int new_cwp);
void do_fitos(void);
void do_fitod(void);
void do_fabss(void);
void do_fsqrts(void);
void do_fsqrtd(void);
void do_fcmps(void);
void do_fcmpd(void);
#ifdef TARGET_SPARC64
void do_fabsd(void);
void do_fcmps_fcc1(void);
void do_fcmpd_fcc1(void);
void do_fcmps_fcc2(void);
void do_fcmpd_fcc2(void);
void do_fcmps_fcc3(void);
void do_fcmpd_fcc3(void);
void do_popc();
void do_wrpstate();
void do_done();
void do_retry();
#endif
void do_ldd_kernel(target_ulong addr);
void do_ldd_user(target_ulong addr);
void do_ldd_raw(target_ulong addr);
void do_interrupt(int intno);
void raise_exception(int tt);
void memcpy32(target_ulong *dst, const target_ulong *src);
target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev);
void dump_mmu(CPUState *env);
void helper_debug();
void do_wrpsr();
void do_rdpsr();

/* XXX: move that to a generic header */
#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */

static inline void env_to_regs(void)
{
#if defined(reg_REGWPTR)
    REGWPTR = env->regbase + (env->cwp * 16);
    env->regwptr = REGWPTR;
#endif
}

static inline void regs_to_env(void)
{
}

int cpu_sparc_handle_mmu_fault(CPUState *env, target_ulong address, int rw,
                               int is_user, int is_softmmu);

#endif