| | 1 | /* multiboot_asm.S |
| | 2 | * Multiboot header |
| | 3 | * NetWatch multiboot loader |
| | 4 | * |
| | 5 | * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved. |
| | 6 | * This program is free software; you can redistribute and/or modify it under |
| | 7 | * the terms found in the file LICENSE in the root of this source tree. |
| | 8 | * |
| | 9 | */ |
| | 10 | |
| | 11 | .globl _start |
| | 12 | |
| | 13 | _start: |
| | 14 | jmp multiboot_entry |
| | 15 | |
| | 16 | .align 4 |
| | 17 | multiboot_header: |
| | 18 | .long 0x1badb002 /* Magic value */ |
| | 19 | .long 0x00000001 /* Flags -- "Please align modules for me" */ |
| | 20 | .long 0xE4524FFD /* Checksum */ |
| | 21 | |
| | 22 | multiboot_entry: |
| | 23 | mov $_stack_top, %esp |
| | 24 | pushl %ebx /* Multiboot info structure */ |
| | 25 | pushl %eax /* Magic number */ |
| | 26 | call c_start |
| | 27 | hang: jmp hang |
| | 28 | |
| | 29 | .section .bss |
| | 30 | .align 4 |
| | 31 | _stack: |
| | 32 | .space 16384 |
| | 33 | _stack_top: |
git.joshuawise.com / netwatch.git / blame_incremental