KVM: SVM: Add intercept checks for remaining twobyte instructions
This patch adds intercepts checks for the remaining twobyte
instructions to the KVM instruction emulator.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1eb5504..9036289 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3868,6 +3868,9 @@
update_cr0_intercept(svm);
}
+#define PRE_EX(exit) { .exit_code = (exit), \
+ .stage = X86_ICPT_PRE_EXCEPT, \
+ .valid = true }
#define POST_EX(exit) { .exit_code = (exit), \
.stage = X86_ICPT_POST_EXCEPT, \
.valid = true }
@@ -3906,8 +3909,18 @@
[x86_intercept_rdtscp] = POST_EX(SVM_EXIT_RDTSCP),
[x86_intercept_monitor] = POST_MEM(SVM_EXIT_MONITOR),
[x86_intercept_mwait] = POST_EX(SVM_EXIT_MWAIT),
+ [x86_intercept_invlpg] = POST_EX(SVM_EXIT_INVLPG),
+ [x86_intercept_invd] = POST_EX(SVM_EXIT_INVD),
+ [x86_intercept_wbinvd] = POST_EX(SVM_EXIT_WBINVD),
+ [x86_intercept_wrmsr] = POST_EX(SVM_EXIT_MSR),
+ [x86_intercept_rdtsc] = POST_EX(SVM_EXIT_RDTSC),
+ [x86_intercept_rdmsr] = POST_EX(SVM_EXIT_MSR),
+ [x86_intercept_rdpmc] = POST_EX(SVM_EXIT_RDPMC),
+ [x86_intercept_cpuid] = PRE_EX(SVM_EXIT_CPUID),
+ [x86_intercept_rsm] = PRE_EX(SVM_EXIT_RSM),
};
+#undef PRE_EX
#undef POST_EX
#undef POST_MEM
@@ -3968,6 +3981,12 @@
case SVM_EXIT_WRITE_DR0:
icpt_info.exit_code += info->modrm_reg;
break;
+ case SVM_EXIT_MSR:
+ if (info->intercept == x86_intercept_wrmsr)
+ vmcb->control.exit_info_1 = 1;
+ else
+ vmcb->control.exit_info_1 = 0;
+ break;
default:
break;
}