mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-12 19:19:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Kernel: Ensure that we don't use a hard-disabled IRQController

Browse source
This commit is contained in:
Liav A 2020-03-06 21:33:12 +02:00 • committed by Andreas Kling
commit c2c0e9fb04
Notes: sideshowbarker 2024-07-19 08:09:32 +09:00
2 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Kernel/Interrupts/PIC.cpp
View file

@ -61,8 +61,7 @@ bool inline static is_all_masked(u8 reg)
void PIC::disable(u8 irq)
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
u8 imr;
if (irq >= 8) {
imr = IO::in8(PIC1_CMD);
@ -99,8 +98,7 @@ bool PIC::is_vector_enabled(u8 irq) const
void PIC::enable(u8 irq)
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
u8 imr;
if (irq >= 8) {
imr = IO::in8(PIC1_CMD);
@ -117,8 +115,7 @@ void PIC::enable(u8 irq)
void PIC::eoi(u8 irq) const
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
if (irq >= 8)
IO::out8(PIC1_CTL, 0x20);
IO::out8(PIC0_CTL, 0x20);