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-rw-r--r--kernel/include/msr.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/include/msr.h b/kernel/include/msr.h
index 356e52c..b2d0b82 100644
--- a/kernel/include/msr.h
+++ b/kernel/include/msr.h
@@ -3,6 +3,8 @@
#include <types.h>
+#define APIC_BASE_MSR 0x0000001B
+
uint64_t read_msr(uint32_t addr);
void write_msr(uint32_t addr, uint64_t value);