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-rw-r--r--src/include/cpu/x86/smm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 49ee2be514..c314c3971a 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -24,6 +24,9 @@
#ifndef CPU_X86_SMM_H
#define CPU_X86_SMM_H
+/* used only by C programs so far */
+#define SMM_BASE 0xa0000
+
#include <types.h>
typedef struct {
u16 es_selector;