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| author | salmonik <salmonik@tuta.io> | 2026-07-31 02:28:10 +0200 |
|---|---|---|
| committer | salmonik <salmonik@tuta.io> | 2026-07-31 02:28:10 +0200 |
| commit | af8d5aa4538ac71f11a5418ef94ae478868a0484 (patch) | |
| tree | c235d89cbdd1486dd2239d08abc750be2e5a88d2 /scripts/mksystem.sh | |
| parent | Initial commit: raisernics toy kernel (diff) | |
| download | rs-dos-af8d5aa4538ac71f11a5418ef94ae478868a0484.tar.gz rs-dos-af8d5aa4538ac71f11a5418ef94ae478868a0484.zip | |
interrupts: IDT, PIC remap, PIT timer, PS/2 keyboard IRQ
- IDT with 256 entries, loaded via lidt (CS read from current context)
- PIC 8259A remapped to vectors 32-47, timer+keyboard IRQs unmasked
- PIT channel 0 at ~100 Hz (mode 2, rate generator)
- PS/2 keyboard IRQ (IRQ1 → vector 33): reads port 0x60, pushes byte
to lock-free SPSC ring buffer
- Timer IRQ (IRQ0 → vector 32): sends EOI, increments tick counter
- ps2::poll_key() now reads from ring buffer with cli/sti+hlt for
race-free sleep (instead of busy-polling the data port)
- build.rs: use idiomatic Result<_, Box<dyn Error>> return type
- tools/qemu.sh: fix SC2207 shellcheck warning
Diffstat (limited to 'scripts/mksystem.sh')
0 files changed, 0 insertions, 0 deletions