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fxsave/fxrstor 64 bit fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4520 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-05-22 09:20:43 +00:00
parent 2585afbde9
commit d6205959f9
1 changed files with 20 additions and 2 deletions
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22
target-i386/helper.c
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@ -4248,6 +4248,18 @@ void helper_fxsave(target_ulong ptr, int data64)
stw(ptr, env->fpuc);
stw(ptr + 2, fpus);
stw(ptr + 4, fptag ^ 0xff);
#ifdef TARGET_X86_64
if (data64) {
stq(ptr + 0x08, 0); /* rip */
stq(ptr + 0x10, 0); /* rdp */
} else
#endif
{
stl(ptr + 0x08, 0); /* eip */
stl(ptr + 0x0c, 0); /* sel */
stl(ptr + 0x10, 0); /* dp */
stl(ptr + 0x14, 0); /* sel */
}
addr = ptr + 0x20;
for(i = 0;i < 8; i++) {
@ -4260,7 +4272,10 @@ void helper_fxsave(target_ulong ptr, int data64)
/* XXX: finish it */
stl(ptr + 0x18, env->mxcsr); /* mxcsr */
stl(ptr + 0x1c, 0x0000ffff); /* mxcsr_mask */
nb_xmm_regs = 8 << data64;
if (env->hflags & HF_CS64_MASK)
nb_xmm_regs = 16;
else
nb_xmm_regs = 8;
addr = ptr + 0xa0;
for(i = 0; i < nb_xmm_regs; i++) {
stq(addr, env->xmm_regs[i].XMM_Q(0));
@ -4297,7 +4312,10 @@ void helper_fxrstor(target_ulong ptr, int data64)
/* XXX: finish it */
env->mxcsr = ldl(ptr + 0x18);
//ldl(ptr + 0x1c);
nb_xmm_regs = 8 << data64;
if (env->hflags & HF_CS64_MASK)
nb_xmm_regs = 16;
else
nb_xmm_regs = 8;
addr = ptr + 0xa0;
for(i = 0; i < nb_xmm_regs; i++) {
env->xmm_regs[i].XMM_Q(0) = ldq(addr);