From b963213a51da1ae0dc995e26445d21250c7fea44 Mon Sep 17 00:00:00 2001
From: Raghuram Subramani <raghus2247@gmail.com>
Date: Tue, 16 Sep 2025 15:22:07 -0400
Subject: interrupts: exception_handler should accept IRQ number

---
 kernel/boot/interrupts/exceptions.cc | 4 +++-
 kernel/boot/interrupts/isr.s         | 2 ++
 kernel/include/boot/interrupts.h     | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/boot/interrupts/exceptions.cc b/kernel/boot/interrupts/exceptions.cc
index d05bd77..964d025 100644
--- a/kernel/boot/interrupts/exceptions.cc
+++ b/kernel/boot/interrupts/exceptions.cc
@@ -26,8 +26,10 @@ namespace Interrupts
 {
 
 void
-exception_handler(void)
+exception_handler(int irq_number)
 {
+  printk("interrupts", "Interrupt: %d", irq_number);
+
   ASSERT_NOT_REACHED();
   while (true)
     __asm__ volatile("cli; hlt");
diff --git a/kernel/boot/interrupts/isr.s b/kernel/boot/interrupts/isr.s
index 925bb27..9ffd94e 100644
--- a/kernel/boot/interrupts/isr.s
+++ b/kernel/boot/interrupts/isr.s
@@ -28,12 +28,14 @@ dd ISR_%+i
 
 %macro ISR_WITH_ERROR 1
 ISR_%+%1:
+  push %1
   call exception_handler
   iret
 %endmacro
 
 %macro ISR_NO_ERROR 1
 ISR_%+%1:
+  push %1
   call exception_handler
   iret
 %endmacro
diff --git a/kernel/include/boot/interrupts.h b/kernel/include/boot/interrupts.h
index 2bd4493..4df66e9 100644
--- a/kernel/include/boot/interrupts.h
+++ b/kernel/include/boot/interrupts.h
@@ -67,7 +67,7 @@ void disable(void);
 void load_idt(void);
 bool idt_loaded(void);
 
-extern "C" NORETURN void exception_handler(void);
+extern "C" NORETURN void exception_handler(int irq_number);
 
 }
 
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