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Diffstat (limited to 'src/include/cpu/k8/mtrr.h')
-rw-r--r--src/include/cpu/k8/mtrr.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/k8/mtrr.h b/src/include/cpu/k8/mtrr.h
index 5a965eebb8..890820b12f 100644
--- a/src/include/cpu/k8/mtrr.h
+++ b/src/include/cpu/k8/mtrr.h
@@ -35,4 +35,7 @@
#define DC_CFG_MSR 0xC0011022
#define BU_CFG_MSR 0xC0011023
+#define TOP_MEM_MASK 0x007fffff
+#define TOP_MEM_MASK_KB (TOP_MEM_MASK >> 10)
+
#endif /* CPU_K8_MTRR_H */