Skip to content

fix: lapic periodic mode #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
DaemonOnUnix wants to merge 1 commit into
base: master
Choose a base branch
from
Open

fix: lapic periodic mode #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions kernel/arch/x86_64/apic.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,7 @@ STATUS lapic_timer_init(void)
u64 hpet_ticks = hpet_ticks_from_ms(1);

lapic_write(LAPIC_TIMER_DIVIDE_CONF, 0x3); /** Clk freq divided by 16 **/
lapic_write(LAPIC_LVT_TIMER, LAPIC_LVT_TIMER_ONESHOT | LAPIC_LVT_VECTOR(0));
lapic_write(LAPIC_LVT_TIMER, LAPIC_LVT_TIMER_PERIODIC | LAPIC_LVT_VECTOR(0));
lapic_write(LAPIC_TIMER_INITIAL_COUNT, 0xFFFFFFFF);

hpet_wait(hpet_ticks);
Expand All @@ -251,7 +251,7 @@ STATUS lapic_timer_init(void)
lapic_write(LAPIC_TIMER_INITIAL_COUNT, 0x0);

lapic_write(LAPIC_LVT_TIMER,
LAPIC_LVT_TIMER_ONESHOT
LAPIC_LVT_TIMER_PERIODIC
| LAPIC_LVT_VECTOR(INTERRUPTS_TIMER_OFFSET));

return SUCCESS;
Expand All @@ -260,4 +260,4 @@ STATUS lapic_timer_init(void)
void lapic_timer_set(u32 ms)
{
lapic_write(LAPIC_TIMER_INITIAL_COUNT, ms * lapic_timer_ticks);
}
}