| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/iwi/@/boot/i386/efi/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/iwi/@/boot/i386/efi/start.S |
/*- * 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: release/9.1.0/sys/boot/i386/efi/start.S 206376 2010-04-07 18:16:05Z rpaulo $ */ .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 _reloc cmpl $EFI_SUCCESS, %eax jne 1f 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