start.S (1544B)
1/* 2 * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 23.section multiboot 24 25#define MB_MAGIC 0x1badb002 26#define MB_FLAGS 0x0 27#define MB_CHECKSUM -(MB_MAGIC + MB_FLAGS) 28 29.align 4 30.int MB_MAGIC 31.int MB_FLAGS 32.int MB_CHECKSUM 33 34.section .text 35.global _start 36_start: 37 mov $stack, %esp 38 push %ebx 39 push %eax 40 call test_main 41 42 /* Test device exit */ 43 outl %eax, $0xf4 44 45 cli 46 hlt 47 jmp . 48 49.section bss 50.space 8192 51stack: