1/*- 2 * Copyright (C) 1999 Hewlett-Packard Co. 3 * Contributed by David Mosberger <davidm@hpl.hp.com>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Hewlett-Packard Co. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 28 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* 33 * crt0-efi-ia32.S - x86 EFI startup code. 34 */ 35 36 .text 37 .align 4 38 39 .globl _start 40_start: 41 pushl %ebp 42 movl %esp, %ebp 43 44 pushl 12(%ebp) 45 pushl 8(%ebp) 46 47 call 0f 480: popl %eax 49 movl %eax, %ebx 50 51 addl $ImageBase-0b, %eax 52 addl $_DYNAMIC-0b, %ebx 53 54 pushl %ebx 55 pushl %eax 56 call self_reloc 57 popl %ebx 58 popl %ebx 59 60 call setup 61 62.exit: 63 leave 64 ret 65 66 /* 67 * hand-craft a dummy .reloc section so EFI knows it's a relocatable 68 * executable: 69 */ 70 71 .data 72 .section .reloc, "a" 73 .long 0 74 .long 10 75 .word 0 76