60 lines
1.5 KiB
ArmAsm
60 lines
1.5 KiB
ArmAsm
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2010 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define SYSCALL_WRITE 1
|
|
#define SYSCALL_RESET 169
|
|
#define SYSCALL_IOPL 172
|
|
#define SYSCALL_EXIT 60
|
|
|
|
#define STDOUT 1
|
|
#define SHUTDOWN_MAGIC1 0xfee1dead
|
|
#define SHUTDOWN_MAGIC2 0x28121969
|
|
#define SHUTDOWN_MAGIC3 0x4321fedc
|
|
|
|
.text
|
|
.global start, _start
|
|
_start:
|
|
start:
|
|
/* write. */
|
|
movq $SYSCALL_WRITE, %rax
|
|
movq $STDOUT, %rdi
|
|
leaq message, %rsi
|
|
movq $(messageend-message), %rdx
|
|
syscall
|
|
|
|
movq $SYSCALL_IOPL, %rax
|
|
movq $3, %rdi
|
|
syscall
|
|
|
|
#include "qemu-shutdown-x86.S"
|
|
|
|
/* shutdown. */
|
|
movq $SYSCALL_RESET, %rax
|
|
movq $SHUTDOWN_MAGIC1, %rdi
|
|
movq $SHUTDOWN_MAGIC2, %rsi
|
|
movq $SHUTDOWN_MAGIC3, %rdx
|
|
syscall
|
|
|
|
/* exit(1). Shouldn't be reached. */
|
|
movq $SYSCALL_EXIT, %rax
|
|
movq $1, %rdi
|
|
syscall
|
|
.data
|
|
message:
|
|
.ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n"
|
|
messageend:
|