30 lines
726 B
NASM
30 lines
726 B
NASM
section .text
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global _start ;must be declared for using gcc
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_start: ;tell linker entry point
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mov edx, len ;message length
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mov ecx, msg ;message to write
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mov ebx, 1 ;file descriptor (stdout)
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mov eax, 4 ;system call number (sys_write)
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int 0x80 ;call kernel
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mov eax, 1 ;system call number (sys_exit)
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int 0x80 ;call kernel
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mov eax, 4
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mov ebx, 1
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mov ecx, msg2
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mov edx, len2
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int 0x80
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mov eax, 1
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int 0x80
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jmp $
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section .data
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msg db 'Hello, world!',0x0 ;our dear string
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len equ $ - msg ;length of our dear string
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msg2 db 'seems like KatauOS just executed this ELF-file!!',0x0
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len2 equ $ - msg2
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