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| author | Ian Moffett <ian@osmora.org> | 2025-11-18 16:05:25 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-11-18 16:05:25 -0500 |
| commit | 0527ef090e4a5ff2dd8dc32170d505c44ee015fa (patch) | |
| tree | e061425468803e33ea9a5e14627f4d51c6ca6f5e /sys/arch/amd64/cpu/idt.S | |
| parent | 32a88e354f6936ae0e2ab9c564293a09c6d77902 (diff) | |
kern/amd64: lapic: Add Local APIC timer interfacedev
This commit adds an interface to perform a oneshot operation with the
Local APIC timer as well as providing a stub interrupt service routine
for it.
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/arch/amd64/cpu/idt.S')
| -rw-r--r-- | sys/arch/amd64/cpu/idt.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/arch/amd64/cpu/idt.S b/sys/arch/amd64/cpu/idt.S index c430a44..729d958 100644 --- a/sys/arch/amd64/cpu/idt.S +++ b/sys/arch/amd64/cpu/idt.S @@ -306,6 +306,15 @@ page_fault: jmp 1b hlt + .globl lapic_tmr_isr +lapic_tmr_isr: + KFENCE + push_frame 0x81 + nop + pop_frame 0x81 + KFENCE + iretq + .section .data .align 8 IDT: |