From 3ed9aceeb8e6b1175403b42ef3f97a2547e93c89 Mon Sep 17 00:00:00 2001
From: Oliver Smith-Denny <osde@microsoft.com>
Date: Fri, 6 Mar 2026 09:23:29 -0800
Subject: [PATCH] MdeModulePkg: CpuExceptionHandlerLib: Define
 X86_CPU_INTERRUPT_NUM

There are currently many definitions for the number of interrupts
for X86 processors. Centralize this definition in
CpuExceptionHandlerLib.

Signed-off-by: Oliver Smith-Denny <osde@microsoft.com>
---
 MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h b/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h
index 8fc6f7f6dc..ed9ed3087b 100644
--- a/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h
+++ b/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h
@@ -12,6 +12,8 @@
 #include <Ppi/VectorHandoffInfo.h>
 #include <Protocol/Cpu.h>
 
+#define X86_CPU_INTERRUPT_NUM  256
+
 /**
   Initializes all CPU exceptions entries and provides the default exception handlers.