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target/i386: Convert do_fsave, do_frstor to X86Access

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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-04-08 00:35:06 -10:00
parent 505e2ef744
commit 94f60f8f1c
1 changed files with 33 additions and 27 deletions
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60
target/i386/tcg/fpu_helper.c
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@ -2469,21 +2469,16 @@ void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32)
do_fldenv(&ac, ptr, data32);
}
static void do_fsave(CPUX86State *env, target_ulong ptr, int data32,
uintptr_t retaddr)
static void do_fsave(X86Access *ac, target_ulong ptr, int data32)
{
X86Access ac;
floatx80 tmp;
int i, envsize = 14 << data32;
CPUX86State *env = ac->env;
access_prepare(&ac, env, ptr, envsize + 80, MMU_DATA_STORE, retaddr);
do_fstenv(ac, ptr, data32);
ptr += 14 << data32;
do_fstenv(&ac, ptr, data32);
ptr += envsize;
for (i = 0; i < 8; i++) {
tmp = ST(i);
do_fstt(&ac, ptr, tmp);
for (int i = 0; i < 8; i++) {
floatx80 tmp = ST(i);
do_fstt(ac, ptr, tmp);
ptr += 10;
}
@ -2492,23 +2487,22 @@ static void do_fsave(CPUX86State *env, target_ulong ptr, int data32,
void helper_fsave(CPUX86State *env, target_ulong ptr, int data32)
{
do_fsave(env, ptr, data32, GETPC());
int size = (14 << data32) + 80;
X86Access ac;
access_prepare(&ac, env, ptr, size, MMU_DATA_STORE, GETPC());
do_fsave(&ac, ptr, data32);
}
static void do_frstor(CPUX86State *env, target_ulong ptr, int data32,
uintptr_t retaddr)
static void do_frstor(X86Access *ac, target_ulong ptr, int data32)
{
X86Access ac;
floatx80 tmp;
int i, envsize = 14 << data32;
CPUX86State *env = ac->env;
access_prepare(&ac, env, ptr, envsize + 80, MMU_DATA_LOAD, retaddr);
do_fldenv(ac, ptr, data32);
ptr += 14 << data32;
do_fldenv(&ac, ptr, data32);
ptr += envsize;
for (i = 0; i < 8; i++) {
tmp = do_fldt(&ac, ptr);
for (int i = 0; i < 8; i++) {
floatx80 tmp = do_fldt(ac, ptr);
ST(i) = tmp;
ptr += 10;
}
@ -2516,7 +2510,11 @@ static void do_frstor(CPUX86State *env, target_ulong ptr, int data32,
void helper_frstor(CPUX86State *env, target_ulong ptr, int data32)
{
do_frstor(env, ptr, data32, GETPC());
int size = (14 << data32) + 80;
X86Access ac;
access_prepare(&ac, env, ptr, size, MMU_DATA_LOAD, GETPC());
do_frstor(&ac, ptr, data32);
}
#define XO(X) offsetof(X86XSaveArea, X)
@ -2972,12 +2970,20 @@ void helper_xrstor(CPUX86State *env, target_ulong ptr, uint64_t rfbm)
#if defined(CONFIG_USER_ONLY)
void cpu_x86_fsave(CPUX86State *env, target_ulong ptr, int data32)
{
do_fsave(env, ptr, data32, 0);
int size = (14 << data32) + 80;
X86Access ac;
access_prepare(&ac, env, ptr, size, MMU_DATA_STORE, 0);
do_fsave(&ac, ptr, data32);
}
void cpu_x86_frstor(CPUX86State *env, target_ulong ptr, int data32)
{
do_frstor(env, ptr, data32, 0);
int size = (14 << data32) + 80;
X86Access ac;
access_prepare(&ac, env, ptr, size, MMU_DATA_LOAD, 0);
do_frstor(&ac, ptr, data32);
}
void cpu_x86_fxsave(CPUX86State *env, target_ulong ptr)