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-rw-r--r--src/include/cpu/x86/mtrr.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index 62cb8b7a3f..8b5cc281bc 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -17,6 +17,9 @@
#define MTRRdefTypeEn (1 << 11)
#define MTRRdefTypeFixEn (1 << 10)
+#define SMRRphysBase_MSR 0x1f2
+#define SMRRphysMask_MSR 0x1f3
+
#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)