crt0-efi-x86_64.S revision 1.1.1.1.10.2
1 1.1.1.1.10.2 tls /* $NetBSD: crt0-efi-x86_64.S,v 1.1.1.1.10.2 2014/08/20 00:04:23 tls Exp $ */ 2 1.1.1.1.10.2 tls 3 1.1.1.1.10.2 tls /* crt0-efi-x86_64.S - x86_64 EFI startup code. 4 1.1.1.1.10.2 tls Copyright (C) 1999 Hewlett-Packard Co. 5 1.1.1.1.10.2 tls Contributed by David Mosberger <davidm (at) hpl.hp.com>. 6 1.1.1.1.10.2 tls Copyright (C) 2005 Intel Co. 7 1.1.1.1.10.2 tls Contributed by Fenghua Yu <fenghua.yu (at) intel.com>. 8 1.1.1.1.10.2 tls 9 1.1.1.1.10.2 tls All rights reserved. 10 1.1.1.1.10.2 tls 11 1.1.1.1.10.2 tls Redistribution and use in source and binary forms, with or without 12 1.1.1.1.10.2 tls modification, are permitted provided that the following conditions 13 1.1.1.1.10.2 tls are met: 14 1.1.1.1.10.2 tls 15 1.1.1.1.10.2 tls * Redistributions of source code must retain the above copyright 16 1.1.1.1.10.2 tls notice, this list of conditions and the following disclaimer. 17 1.1.1.1.10.2 tls * Redistributions in binary form must reproduce the above 18 1.1.1.1.10.2 tls copyright notice, this list of conditions and the following 19 1.1.1.1.10.2 tls disclaimer in the documentation and/or other materials 20 1.1.1.1.10.2 tls provided with the distribution. 21 1.1.1.1.10.2 tls * Neither the name of Hewlett-Packard Co. nor the names of its 22 1.1.1.1.10.2 tls contributors may be used to endorse or promote products derived 23 1.1.1.1.10.2 tls from this software without specific prior written permission. 24 1.1.1.1.10.2 tls 25 1.1.1.1.10.2 tls THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 26 1.1.1.1.10.2 tls CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 27 1.1.1.1.10.2 tls INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 1.1.1.1.10.2 tls MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 29 1.1.1.1.10.2 tls DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 30 1.1.1.1.10.2 tls BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 31 1.1.1.1.10.2 tls OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 32 1.1.1.1.10.2 tls PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 33 1.1.1.1.10.2 tls PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34 1.1.1.1.10.2 tls THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 35 1.1.1.1.10.2 tls TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 36 1.1.1.1.10.2 tls THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 1.1.1.1.10.2 tls SUCH DAMAGE. 38 1.1.1.1.10.2 tls */ 39 1.1.1.1.10.2 tls .text 40 1.1.1.1.10.2 tls .align 4 41 1.1.1.1.10.2 tls 42 1.1.1.1.10.2 tls .globl _start 43 1.1.1.1.10.2 tls _start: 44 1.1.1.1.10.2 tls subq $8, %rsp 45 1.1.1.1.10.2 tls pushq %rcx 46 1.1.1.1.10.2 tls pushq %rdx 47 1.1.1.1.10.2 tls 48 1.1.1.1.10.2 tls 0: 49 1.1.1.1.10.2 tls lea ImageBase(%rip), %rdi 50 1.1.1.1.10.2 tls lea _DYNAMIC(%rip), %rsi 51 1.1.1.1.10.2 tls 52 1.1.1.1.10.2 tls popq %rcx 53 1.1.1.1.10.2 tls popq %rdx 54 1.1.1.1.10.2 tls pushq %rcx 55 1.1.1.1.10.2 tls pushq %rdx 56 1.1.1.1.10.2 tls call _relocate 57 1.1.1.1.10.2 tls 58 1.1.1.1.10.2 tls popq %rdi 59 1.1.1.1.10.2 tls popq %rsi 60 1.1.1.1.10.2 tls 61 1.1.1.1.10.2 tls call efi_main 62 1.1.1.1.10.2 tls addq $8, %rsp 63 1.1.1.1.10.2 tls 64 1.1.1.1.10.2 tls .exit: 65 1.1.1.1.10.2 tls ret 66 1.1.1.1.10.2 tls 67 1.1.1.1.10.2 tls // hand-craft a dummy .reloc section so EFI knows it's a relocatable executable: 68 1.1.1.1.10.2 tls 69 1.1.1.1.10.2 tls .data 70 1.1.1.1.10.2 tls dummy: .long 0 71 1.1.1.1.10.2 tls 72 1.1.1.1.10.2 tls #define IMAGE_REL_ABSOLUTE 0 73 1.1.1.1.10.2 tls .section .reloc, "a" 74 1.1.1.1.10.2 tls label1: 75 1.1.1.1.10.2 tls .long dummy-label1 // Page RVA 76 1.1.1.1.10.2 tls .long 10 // Block Size (2*4+2) 77 1.1.1.1.10.2 tls .word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy 78 1.1.1.1.10.2 tls 79
Indexes created Sat Nov 01 19:09:55 GMT 2025