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authorIan Moffett <ian@osmora.org>2025-09-13 23:03:25 -0400
committerIan Moffett <ian@osmora.org>2025-09-13 23:03:25 -0400
commitb1c7080563a3699016f2ad063f8c8842264ec071 (patch)
treeb64810cc26340f7592166e4779db1be14f76d805 /src/sys/include/arch/amd64/mdcpu.h
parent1e011e0fc547238775c6957f9e054ca9e2975a65 (diff)
os/amd64: mdcpu: Add md_spinwait() macro
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'src/sys/include/arch/amd64/mdcpu.h')
-rw-r--r--src/sys/include/arch/amd64/mdcpu.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sys/include/arch/amd64/mdcpu.h b/src/sys/include/arch/amd64/mdcpu.h
index 98ecc16..420bdee 100644
--- a/src/sys/include/arch/amd64/mdcpu.h
+++ b/src/sys/include/arch/amd64/mdcpu.h
@@ -31,6 +31,9 @@
#define _MACHINE_MDCPU_H_ 1
#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#define md_spinwait() __ASMV("pause")
/*
* Represents the machine dependent information