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-rw-r--r--src/sys/include/arch/amd64/mdcpu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sys/include/arch/amd64/mdcpu.h b/src/sys/include/arch/amd64/mdcpu.h
index a8e1641..c38aae2 100644
--- a/src/sys/include/arch/amd64/mdcpu.h
+++ b/src/sys/include/arch/amd64/mdcpu.h
@@ -36,6 +36,7 @@
#define md_spinwait() __ASMV("pause")
#define md_intoff() __ASMV("cli")
#define md_inton() __ASMV("sti")
+#define md_halt() __ASMV("hlt")
/*
* Represents the machine dependent information