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| author | Felix Morgner <felix.morgner@ost.ch> | 2026-03-21 10:13:17 +0100 |
|---|---|---|
| committer | Felix Morgner <felix.morgner@ost.ch> | 2026-03-21 10:16:21 +0100 |
| commit | c9ce8625dd80f701e280f90cb30c30f8663473e9 (patch) | |
| tree | 08eb79b8e775fcd4ee8c334cd019caca8d6f61f3 /arch/x86_64/src/cpu/interrupts.cpp | |
| parent | fcf0cd73b0978c2db3e719542cf81d7d2c0fe24e (diff) | |
| download | teachos-c9ce8625dd80f701e280f90cb30c30f8663473e9.tar.xz teachos-c9ce8625dd80f701e280f90cb30c30f8663473e9.zip | |
x86_64/cpu: fixup 8259 interrupt handling
We now mask the timer interrupt and ensure we are informing the PIC
about us having handled the interrupt.
Diffstat (limited to 'arch/x86_64/src/cpu/interrupts.cpp')
| -rw-r--r-- | arch/x86_64/src/cpu/interrupts.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86_64/src/cpu/interrupts.cpp b/arch/x86_64/src/cpu/interrupts.cpp index 466389d..048c461 100644 --- a/arch/x86_64/src/cpu/interrupts.cpp +++ b/arch/x86_64/src/cpu/interrupts.cpp @@ -2,6 +2,7 @@ #include "kapi/cpu.hpp" +#include "arch/cpu/legacy_pic.hpp" #include "arch/cpu/segment_selector.hpp" #include <kstd/print> @@ -42,6 +43,9 @@ namespace arch::cpu auto handle_legacy_interrupt(interrupt_frame * frame) -> void { kstd::println("[x86_64:SYS] Ignoring 8259 legacy interrupt {:#04x}", frame->interrupt.number); + + pic_master_control_port::write(pic_end_of_interrupt); + pic_slave_control_port::write(pic_end_of_interrupt); } } // namespace |