From 01dae750edc685b1a0c49c6b27fd5466b0f0ac31 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Fri, 26 Sep 2025 23:42:10 -0400
Subject: kern/amd64: cpu: Add CPU halt ISR for IPIs

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/include/arch/amd64/mdcpu.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/sys/include')

diff --git a/src/sys/include/arch/amd64/mdcpu.h b/src/sys/include/arch/amd64/mdcpu.h
index b9d5e72..ddc0da2 100644
--- a/src/sys/include/arch/amd64/mdcpu.h
+++ b/src/sys/include/arch/amd64/mdcpu.h
@@ -35,6 +35,8 @@
 #include <machine/tss.h>
 #include <machine/gdt.h>
 
+#define HALT_VECTOR 0x90
+
 #define md_spinwait() __ASMV("pause")
 #define md_intoff()   __ASMV("cli")
 #define md_inton()    __ASMV("sti")
-- 
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