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x86_64 fixes

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1324 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-03-03 01:14:55 +00:00
parent d057099aa8
commit 313132138a
4 changed files with 33 additions and 18 deletions
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13
target-i386/helper.c
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@ -1012,7 +1012,8 @@ void helper_sysret(int dflag)
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_W_MASK | DESC_A_MASK);
load_eflags((uint32_t)(env->regs[11]), 0xffffffff);
load_eflags((uint32_t)(env->regs[11]), TF_MASK | AC_MASK | ID_MASK |
IF_MASK | IOPL_MASK | VM_MASK | RF_MASK | NT_MASK);
cpu_x86_set_cpl(env, 3);
} else {
cpu_x86_load_seg_cache(env, R_CS, selector | 3,
@ -1209,7 +1210,7 @@ void helper_divl_EAX_T0(void)
unsigned int den, q, r;
uint64_t num;
num = EAX | ((uint64_t)EDX << 32);
num = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32);
den = T0;
if (den == 0) {
raise_exception(EXCP00_DIVZ);
@ -1229,7 +1230,7 @@ void helper_idivl_EAX_T0(void)
int den, q, r;
int64_t num;
num = EAX | ((uint64_t)EDX << 32);
num = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32);
den = T0;
if (den == 0) {
raise_exception(EXCP00_DIVZ);
@ -3003,7 +3004,7 @@ void helper_fxrstor(target_ulong ptr, int data64)
}
if (env->cr[4] & CR4_OSFXSR_MASK) {
/* XXX: finish it, endianness */
/* XXX: finish it */
env->mxcsr = ldl(ptr + 0x18);
//ldl(ptr + 0x1c);
nb_xmm_regs = 8 << data64;
@ -3170,7 +3171,7 @@ static void div64(uint64_t *plow, uint64_t *phigh, uint64_t b)
}
}
static void idiv64(uint64_t *plow, uint64_t *phigh, uint64_t b)
static void idiv64(uint64_t *plow, uint64_t *phigh, int64_t b)
{
int sa, sb;
sa = ((int64_t)*phigh < 0);
@ -3182,7 +3183,7 @@ static void idiv64(uint64_t *plow, uint64_t *phigh, uint64_t b)
div64(plow, phigh, b);
if (sa ^ sb)
*plow = - *plow;
if (sb)
if (sa)
*phigh = - *phigh;
}