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Add an 64-bit error function

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Philipp Oppermann
2015-08-17 15:06:29 +02:00
parent c6223ed48f
commit c65797d89f
1 changed files with 10 additions and 0 deletions
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10
src/arch/x86_64/long_mode_init.asm
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@@ -25,3 +25,13 @@ long_mode_start:
mov rax, 0x2f592f412f4b2f4f mov rax, 0x2f592f412f4b2f4f
mov qword [0xb8000], rax mov qword [0xb8000], rax
hlt hlt
; Prints `ERROR: ` and the given error code to screen and hangs.
; parameter: error code (in ascii) in al
error:
mov rbx, 0x4f4f4f524f524f45
mov [0xb8000], rbx
mov rbx, 0x4f204f204f3a4f52
mov [0xb8008], rbx
mov byte [0xb800e], al
hlt