From 1a8a3bfcad19687c67fb9e7861a71e2345909ce4 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 8 Oct 2025 16:07:33 -0400
Subject: kern/amd64: Reserve 64 vectors for I/O APIC inputs

This commit reserves the first 64 vectors for the I/O APIC input lines.
During an IRQ, each handler will be called to see which one handles it.

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/include/arch/amd64/idt.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/sys/include')

diff --git a/src/sys/include/arch/amd64/idt.h b/src/sys/include/arch/amd64/idt.h
index 132550c..e7bca9f 100644
--- a/src/sys/include/arch/amd64/idt.h
+++ b/src/sys/include/arch/amd64/idt.h
@@ -30,13 +30,16 @@
 #ifndef _MACHINE_IDT_H_
 #define _MACHINE_IDT_H_ 1
 
+#ifndef __ASSEMBLER__
 #include <sys/types.h>
 #include <sys/cdefs.h>
+#endif
 
 #define IDT_INT_GATE    0x8E
 #define IDT_TRAP_GATE   0x8F
 #define IDT_USER_GATE   0xEE
 
+#ifndef __ASSEMBLER__
 #define ISR(p) ((uintptr_t)p)
 
 /*
@@ -96,4 +99,5 @@ void idt_set_desc(uint8_t vector, uint8_t type, uintptr_t isr, uint8_t ist);
  */
 void idt_load(void);
 
+#endif  /* __ASSEMBLER__ */
 #endif  /* !_MACHINE_IDT_H_ */
-- 
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