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Diffstat (limited to 'sys/include/arch/amd64/cdefs.h')
-rw-r--r--sys/include/arch/amd64/cdefs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cdefs.h b/sys/include/arch/amd64/cdefs.h
index bab0c89..0a20324 100644
--- a/sys/include/arch/amd64/cdefs.h
+++ b/sys/include/arch/amd64/cdefs.h
@@ -43,4 +43,13 @@
#define md_inton() __ASMV("sti") /* Enable interrupts */
#define md_hlt() __ASMV("hlt") /* Halt the processor */
+/*
+ * AMD64 specific defines
+ */
+#define __invlpg(VA) \
+ __ASMV("invlpg %0" \
+ : \
+ : "m" ((VA)) \
+ : "memory")
+
#endif /* !_AMD64_CDEFS_H_ */