diff options
Diffstat (limited to 'kernel/timer.s')
| -rw-r--r-- | kernel/timer.s | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/timer.s b/kernel/timer.s index b96e1f1..6d95281 100644 --- a/kernel/timer.s +++ b/kernel/timer.s @@ -19,6 +19,8 @@ tick_handler: mov es, ax mov fs, ax mov gs, ax + ; save a pointer to the state information + mov ebx, esp ; handle the timer tick mov dword [ticked], 1 inc dword [ticks] @@ -31,7 +33,9 @@ tick_handler: ; if it isn't, call the scheduler call sched_tick ; handle any pending signals before returning to normal execution + push ebx call check_signals + add esp, 4 .end: ; restore the data segment selectors pop ax |