From 9cfd49d1f39c0a32e13e405efc3903f1f0e4ff19 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sun, 1 Jun 2025 19:04:47 -0400
Subject: kernel/amd64: cdefs: Add __invlpg() asm wrapper

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/arch/amd64/cdefs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'sys/include/arch')

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_ */
-- 
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