tcg/i386: rdpmc: fix the the condtions

Zheng Zhan Liang · bonzini · commit c45b426acd1a · 2021-02-25T15:41:53.000+01:00
Signed-off-by: Zheng Zhan Liang &lt;linuxmaker@163.com&gt;
Message-Id: &lt;20210225054756.35962-1-linuxmaker@163.com&gt;
Signed-off-by: Paolo Bonzini &lt;pbonzini@redhat.com&gt;
diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c
@@ -222,7 +222,8 @@ void helper_rdtscp(CPUX86State *env)
 
 void helper_rdpmc(CPUX86State *env)
 {
-    if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {
+    if (((env->cr[4] & CR4_PCE_MASK) == 0 ) &&
+        ((env->hflags & HF_CPL_MASK) != 0)) {
         raise_exception_ra(env, EXCP0D_GPF, GETPC());
     }
     cpu_svm_check_intercept_param(env, SVM_EXIT_RDPMC, 0, GETPC());

Original file line number	Diff line number	Diff line change
`@@ -222,7 +222,8 @@ void helper_rdtscp(CPUX86State *env)`
`222`	`222`
`223`	`223`	`void helper_rdpmc(CPUX86State *env)`
`224`	`224`	`{`
`225`		`- if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {`
	`225`	`+ if (((env->cr[4] & CR4_PCE_MASK) == 0 ) &&`
	`226`	`+ ((env->hflags & HF_CPL_MASK) != 0)) {`
`226`	`227`	`raise_exception_ra(env, EXCP0D_GPF, GETPC());`
`227`	`228`	`}`
`228`	`229`	`cpu_svm_check_intercept_param(env, SVM_EXIT_RDPMC, 0, GETPC());`