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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 667c7ad916..e79c90ea85 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -15,6 +15,9 @@
#define MTRRcap_MSR 0x0fe
#define MTRRdefType_MSR 0x2ff
+#define MTRRdefTypeEn (1 << 11)
+#define MTRRdefTypeFixEn (1 << 10)
+
#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)