774e3796b2
modified: src/bootloader/bootloader.asm new file: src/include/kernel.h modified: src/include/libc.h modified: src/include/paging.h new file: src/include/panic.h modified: src/kernel/kernel.c modified: src/kernel/libc.c modified: src/kernel/page.c new file: src/kernel/panic.c modified: src/link.ld modified: src/makefile modified: tools/page/page.py
41 lines
599 B
NASM
41 lines
599 B
NASM
bios_disk:
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.load_sectors:
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pusha
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mov es, dx
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; TODO when our kernel gets to big to fit in one track, we need to just switch over to LHS with extended bios functions.
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mov ah, 0x02 ; read disc sectors
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mov ch, 0x00 ; track 0
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mov dh, 0x00 ; head 0
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mov dl, [stage0.boot_device]
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int 0x13
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jc .failed
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mov ah, 0
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popa
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ret
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.failed:
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debug:
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mov bx, .loadsectors_error
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mov cx, 0
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call bios_print
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push 0
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mov al, ah
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mov ah, 0 ; you need to clean up the bios print function!
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push ax
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mov cx, 1
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mov bx, sp
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call bios_print
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mov ah, 1
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popa
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ret
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.loadsectors_error: db "Error loading sectors: ", 0
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