From c4cd2c0c4aae0f9683579b19dff958741dc7b252 Mon Sep 17 00:00:00 2001
From: "iliya.saroukha" <iliya.saroukhanian@etu.hesge.ch>
Date: Mon, 9 Dec 2024 23:55:21 +0100
Subject: [PATCH] debug: FEATURE_CONTROL_MSR
---
proto/msr/msr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/proto/msr/msr.c b/proto/msr/msr.c
index e6c7058..9445e66 100644
--- a/proto/msr/msr.c
+++ b/proto/msr/msr.c
@@ -5,9 +5,12 @@
bool ia32_feature_control_flags(void) {
int msr_value = __rdmsr(IA32_FEATURE_CONTROL_MSR);
+ DEBUG_FMT("IA32_FEATURE_CONTROL value = %llu\n",
+ __rdmsr(IA32_FEATURE_CONTROL_MSR));
if (!(msr_value & IA32_FEATURE_CONTROL_LOCK_BIT)) {
DEBUG_FMT("Lock bit is not set in IA32_FEATURE_CONTROL_MSR\n");
+
__wrmsr(IA32_FEATURE_CONTROL_MSR,
IA32_FEATURE_CONTROL_LOCK_BIT |
IA32_FEATURE_CONTROL_VMXON_OUTSIDE_SMX,
--
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