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CR4.TSD flag support (Matt Schulkind) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1556 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-08-21 10:28:44 +00:00
parent 1e8a7cfd11
commit ecada8a2dd
2 changed files with 6 additions and 2 deletions
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5
target-i386/helper.c
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@ -2328,7 +2328,10 @@ void helper_invlpg(target_ulong addr)
void helper_rdtsc(void)
{
uint64_t val;
if ((env->cr[4] & CR4_TSD_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {
raise_exception(EXCP0D_GPF);
}
val = cpu_get_tsc(env);
EAX = (uint32_t)(val);
EDX = (uint32_t)(val >> 32);

3
target-i386/translate.c
View File

@ -4909,7 +4909,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
gen_op_movl_T1_imu(offset);
}
goto do_lcall;
case 0xe9: /* jmp */
case 0xe9: /* jmp im */
if (dflag)
tval = (int32_t)insn_get(s, OT_LONG);
else
@ -5366,6 +5366,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
}
break;
case 0x131: /* rdtsc */
gen_jmp_im(pc_start - s->cs_base);
gen_op_rdtsc();
break;
case 0x134: /* sysenter */