| /*- |
| * Copyright (c) 2008-2010 Rui Paulo <rpaulo@FreeBSD.org> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * $FreeBSD$ |
| */ |
| |
| .text |
| |
| #include <machine/asm.h> |
| |
| #define EFI_SUCCESS 0 |
| |
| /* |
| * EFI entry point. |
| * _start(EFI_IMAGE image_handle, EFI_SYSTEM_TABLE *system_table); |
| * |
| * We calculate the base address along with _DYNAMIC, relocate us and finally |
| * pass control to efi_main. |
| */ |
| |
| ENTRY(_start) |
| pushl %ebp |
| movl %esp, %ebp |
| |
| pushl 12(%ebp) /* image_handle */ |
| pushl 8(%ebp) /* system_table */ |
| call 0f |
| 0: popl %eax |
| movl %eax, %ebx |
| addl $ImageBase-0b, %eax |
| addl $_DYNAMIC-0b, %ebx |
| pushl %ebx /* dynamic */ |
| pushl %eax /* ImageBase */ |
| call self_reloc |
| popl %ebx /* remove ImageBase from the stack */ |
| popl %ebx /* remove dynamic from the stack */ |
| call efi_main |
| 1: leave |
| ret |
| END(_start) |
| |
| .data |
| .section .reloc, "a" |
| .long 0 |
| .long 10 |
| .word 0 |