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Mask all interrupts on the master PIC except the timer. 

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