Mask all interrupts on the master PIC except the timer.

This prevents us from getting a GP fault when an unhandled interrupt arises.
2023-05-29 22:07:47 -07:00 · 2023-05-29 22:07:47 -07:00 · 9869d1022a
parent a949055bce
commit 9869d1022a
1 changed files with 3 additions and 0 deletions
--- a/zion/interrupt/interrupt.cpp
+++ b/zion/interrupt/interrupt.cpp
@ -129,6 +129,9 @@ void EnablePic() {
  outb(PIC1_DATA, 0x20);  // PIC1 offset.
  outb(PIC1_DATA, 0x4);
  outb(PIC1_DATA, 0x1);
+
+  // Mask all except the timer.
+  outb(PIC1_DATA, 0xE);
 }

 void InitIdt() {