aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--target-i386/exec.h1
-rw-r--r--target-i386/helper.c12
-rw-r--r--target-i386/op.c5
-rw-r--r--target-i386/translate.c4
4 files changed, 22 insertions, 0 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h
index 70fac64fc3..20153f7279 100644
--- a/target-i386/exec.h
+++ b/target-i386/exec.h
@@ -199,6 +199,7 @@ void helper_sysexit(void);
void helper_syscall(int next_eip_addend);
void helper_sysret(int dflag);
void helper_rdtsc(void);
+void helper_rdpmc(void);
void helper_rdmsr(void);
void helper_wrmsr(void);
void helper_lsl(void);
diff --git a/target-i386/helper.c b/target-i386/helper.c
index a2f465c736..07ff3563cc 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -2743,6 +2743,18 @@ void helper_rdtsc(void)
EDX = (uint32_t)(val >> 32);
}
+void helper_rdpmc(void)
+{
+ if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {
+ raise_exception(EXCP0D_GPF);
+ }
+
+ if (!svm_check_intercept_param(SVM_EXIT_RDPMC, 0)) {
+ /* currently unimplemented */
+ raise_exception_err(EXCP06_ILLOP, 0);
+ }
+}
+
#if defined(CONFIG_USER_ONLY)
void helper_wrmsr(void)
{
diff --git a/target-i386/op.c b/target-i386/op.c
index 7d8950e079..77930db125 100644
--- a/target-i386/op.c
+++ b/target-i386/op.c
@@ -953,6 +953,11 @@ void OPPROTO op_rdtsc(void)
helper_rdtsc();
}
+void OPPROTO op_rdpmc(void)
+{
+ helper_rdpmc();
+}
+
void OPPROTO op_cpuid(void)
{
helper_cpuid();
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 02dc6cf61c..579831ef7a 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -5658,6 +5658,10 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
gen_jmp_im(pc_start - s->cs_base);
gen_op_rdtsc();
break;
+ case 0x133: /* rdpmc */
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_op_rdpmc();
+ break;
case 0x134: /* sysenter */
if (CODE64(s))
goto illegal_op;