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-rw-r--r--src/include/cpu/x86/msr.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/include/cpu/x86/msr.h b/src/include/cpu/x86/msr.h
index c2e99446e5..74c2521af5 100644
--- a/src/include/cpu/x86/msr.h
+++ b/src/include/cpu/x86/msr.h
@@ -11,7 +11,13 @@
#define EFER_SCE (1 << 0)
/* Page attribute type MSR */
-#define MSR_IA32_PAT 0x277
+#define MSR_IA32_PAT 0x277
+#define MSR_IA32_MPERF 0xe7
+#define MSR_IA32_APERF 0xe8
+#define MSR_IA32_PM_ENABLE 0x770
+#define MSR_IA32_HWP_CAPABILITIES 0x771
+#define MSR_IA32_HWP_REQUEST 0x774
+#define MSR_IA32_HWP_STATUS 0x777
#if defined(__ROMCC__)