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Complete M2 - load interruptions descriptor table, exception handlers, PIC and APIC - #21

Merged

mitsuakki merged 44 commits into

mainfrom

Aug 18, 2026

Merged

Complete M2 - load interruptions descriptor table, exception handlers, PIC and APIC#21
mitsuakki merged 44 commits into
mainfrom
m2-interrupts

Commits on Jul 31, 2026
Commits on Aug 1, 2026
- fix(ci): extract directory for NASM linter
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  committed
  c5eb793
- feat(idt): add ISR stubs for CPU exceptions 0-31 [#15]
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  committed
  dceb27d
- fix(fs): fix the worktree to follow wiki os dev file-system
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  committed
  34f424d
- fix(stdbool): explicit true=1, add TO_BOOL(x) macro
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  committed
  7ea271b
- fix(boot): bump kernel load to 64 sectors (32 KiB)
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  committed
  a8572c1
- fix(idt): remove static from idt_init and idt_set_descriptor
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  committed
  9677f1d
- refactor(vga): rewrite driver with position struct, color helpers,
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  committed
  83f636f
- <3
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  committed
  47daf90
Commits on Aug 2, 2026
- feat(isr): add registers_t struct with ISR stack frame layout
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  committed
  139a7b9
- feat(isr): rename isr_handler to exception_handler with register dump
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  committed
  544ee82
- feat(vga): add puthex, draw_heart (kernel logo), newline handling; fix
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  committed
  e355feb
- fix: padding fix and prefix KERNEL_ on all defines
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  committed
  3194d9f
- feat(kernel): move heart into vga.c and add an ASM stub for breakpoint
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  committed
  8fa819e
- feat(pic): reprogram the 8259A PIC so hardware IRQs use vectors 32-47,
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  committed
  408f161
- feat(pic): implement I/O port primitives to talk to the PIC
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  994c25d
- feat(pic): load PIC before IDT
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  committed
  bddc9f5
- docs: create milestone 2 book
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  ef81294
- docs: rewrite M1 book in a more understanding manner
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  committed
  20569bd
- feat(interrupts): add sti/cli wrappers & a method to check if interrupts
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  committed
  7001b3d
- feat(interrupts): rename ISR to exceptions and implement IRQ (32-47)
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  committed
  ee237e2
- feat(interrupts): rename interrupt wrapper
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  committed
  1796a6a
- feat(interrupts): load IRQ into IDT
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  committed
  453fbf3
- feat(interrupts): Handle timer and keyboard interruptions
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  committed
  78e3712
- feat(interrupts/driver): skeleton of a future keyboard driver
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  committed
  a8223e3
Commits on Aug 3, 2026
- fix: prefix defines by VGA_ for more readablity
  mitsuakki
  committed
  0977f30
- refactor: just rename .asm files to .s
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  committed
  2215a41
Commits on Aug 18, 2026
- feat(docs): per-line comments, fix header and INT 0x13 comments
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  committed
  8d9e03e
- feat(docs): per-line comments on a20, cpuid, gdt, loader & longmode
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  committed
  8e5c8e0
- per-line comments and IRQ vector names
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  committed
  d9ec41d
- feat(drivers/ps2): add PS/2 controller header with port and register definitions
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  committed
  7a93b61
- feat(drivers/ps2): implement PS/2 controller driver
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  committed
  eec6ca2
- feat(drivers/keyboard): add keyboard layout enum and set_layout
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  committed
  5b577c1
- feat(drivers/keyboard): implement keyboard driver with QWERTY and AZERTY layouts
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  committed
  fabcc42
- fix(drivers/vga): keep CP437 characters from corrupting the attribute byte
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  committed
  561239f
- docs(drivers/vga): reword VGA header comments
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  committed
  9dad8ac
- test: implement smoke test for interrupts
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  committed
  a30569f
- docs: add m2 to milestones index
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  committed
  93452e0
- ci: go from .asm to .s in lint job
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  committed
  e2cde32