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x86: avoid AREG0 for FPU helpers

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Make FPU helpers take a parameter for CPUState instead
of relying on global env.

Introduce temporary wrappers for FPU load and store ops. Remove
wrappers for non-AREG0 code. Don't call unconverted helpers
directly.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-04-28 21:28:09 +00:00
parent 633decd711
commit d3eb5eaeb5
8 changed files with 967 additions and 875 deletions
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49
target-i386/mem_helper.c
View file

@ -159,3 +159,52 @@ void tlb_fill(CPUX86State *env1, target_ulong addr, int is_write, int mmu_idx,
env = saved_env;
}
#endif
/* temporary wrappers */
#if defined(CONFIG_USER_ONLY)
#define ldub_data(addr) ldub_raw(addr)
#define lduw_data(addr) lduw_raw(addr)
#define ldl_data(addr) ldl_raw(addr)
#define ldq_data(addr) ldq_raw(addr)
#define stb_data(addr, data) stb_raw(addr, data)
#define stw_data(addr, data) stw_raw(addr, data)
#define stl_data(addr, data) stl_raw(addr, data)
#define stq_data(addr, data) stq_raw(addr, data)
#endif
#define WRAP_LD(rettype, fn) \
rettype cpu_ ## fn(CPUX86State *env1, target_ulong addr) \
{ \
CPUX86State *saved_env; \
rettype ret; \
\
saved_env = env; \
env = env1; \
ret = fn(addr); \
env = saved_env; \
return ret; \
}
WRAP_LD(uint32_t, ldub_data)
WRAP_LD(uint32_t, lduw_data)
WRAP_LD(uint32_t, ldl_data)
WRAP_LD(uint64_t, ldq_data)
#undef WRAP_LD
#define WRAP_ST(datatype, fn) \
void cpu_ ## fn(CPUX86State *env1, target_ulong addr, datatype val) \
{ \
CPUX86State *saved_env; \
\
saved_env = env; \
env = env1; \
fn(addr, val); \
env = saved_env; \
}
WRAP_ST(uint32_t, stb_data)
WRAP_ST(uint32_t, stw_data)
WRAP_ST(uint32_t, stl_data)
WRAP_ST(uint64_t, stq_data)
#undef WRAP_ST