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| author | Freya Murphy <freya@freyacat.org> | 2025-04-28 11:34:35 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-28 11:34:35 -0400 |
| commit | 6f720f67383fee1e143caf04cc537a11a170d7c6 (patch) | |
| tree | cde2cc6e92a749fe6b78a3edfe3d7bb99f273b4e /kernel | |
| parent | stderr in write syscall (diff) | |
| download | comus-6f720f67383fee1e143caf04cc537a11a170d7c6.tar.gz comus-6f720f67383fee1e143caf04cc537a11a170d7c6.tar.bz2 comus-6f720f67383fee1e143caf04cc537a11a170d7c6.zip | |
fix pic eoi in timer
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu/idt.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/cpu/idt.S b/kernel/cpu/idt.S index 05c34f5..05f80c7 100644 --- a/kernel/cpu/idt.S +++ b/kernel/cpu/idt.S @@ -135,13 +135,15 @@ isr_stub_\num: ISRRestore .endm +# we have to send eoi first since +# idt_pic_timer may not return .macro PICTimer num .align 8 isr_stub_\num: ISRSave - callq idt_pic_timer - movq $\num, %rdi callq idt_pic_eoi + movq $\num, %rdi + callq idt_pic_timer ISRRestore .endm |