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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-08-21 10:28:44 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-08-21 10:28:44 +0000
commitecada8a2dddff7b0382e35b9ffe5643ed895a7f4 (patch)
tree0b7962d4c1e73e836eb1e8a7786209e9af49f024 /target-i386
parentShow thumb state in cpu dump (Paul Brook) (diff)
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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
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/helper.c5
-rw-r--r--target-i386/translate.c3
2 files changed, 6 insertions, 2 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c
index c41cbb727..424dc5284 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -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);
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 619522a63..0f6b0eb7c 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -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 */