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28 lines
748 B
NASM
28 lines
748 B
NASM
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[org 0x7c00] ; bootloader offset
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mov bp, 0x9000 ; set the stack
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mov sp, bp
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mov bx, MSG_REAL_MODE
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call print ; This will be written after the BIOS messages
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call switch_to_pm
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jmp $ ; this will actually never be executed
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%include "../05-bootsector-functions-strings/boot_sect_print.asm"
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%include "../09-32bit-gdt/32bit-gdt.asm"
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%include "../08-32bit-print/32bit-print.asm"
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%include "32bit-switch.asm"
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[bits 32]
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BEGIN_PM: ; after the switch we will get here
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mov ebx, MSG_PROT_MODE
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call print_string_pm ; Note that this will be written at the top left corner
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jmp $
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MSG_REAL_MODE db "Started in 16-bit real mode", 0
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MSG_PROT_MODE db "Loaded 32-bit protected mode", 0
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; bootsector
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times 510-($-$$) db 0
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dw 0xaa55
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