/* startup.S - bootstrap GRUB itself */ /* * GRUB -- GRand Unified Bootloader * Copyright (C) 2013 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * GRUB is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GRUB. If not, see . */ #include #include .file "startup.S" .text .globl start, _start .code64 start: _start: leaq LOCAL(stack_end), %rsp movq %rsi, EXT_C(grub_xen_start_page_addr)(%rip) andq $~0xf, %rsp call EXT_C(grub_main) /* Doesn't return. */ .bss .space (1 << 22) LOCAL(stack_end):