grub/grub-core/tests/boot/linux.init-mips.S

/*
 *  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 4004
#define SYSCALL_RESET 4088
#define SYSCALL_EXIT 4001

#define STDOUT 1
#define SHUTDOWN_MAGIC1 0xfee1dead
#define SHUTDOWN_MAGIC2 0x28121969
#ifdef REBOOT
#define SHUTDOWN_MAGIC3 0x01234567
#else
#define SHUTDOWN_MAGIC3 0x4321fedc
#endif
	.text
	.global start, _start, __start
__start:	
_start:
start:
	/* write.  */
	li $v0, SYSCALL_WRITE
	li $a0, STDOUT
	lui $a1, %hi(message)
	addiu $a1, %lo(message)
	lui $a2, %hi(messageend)
	addiu $a2, %lo(messageend)
	subu $a2, $a2, $a1
	syscall

	/* shutdown.  */
	li $v0, SYSCALL_RESET
	li $a0, SHUTDOWN_MAGIC1
	li $a1, SHUTDOWN_MAGIC2
	li $a2, SHUTDOWN_MAGIC3
	syscall

	/* exit(1). Shouldn't be reached.  */
	li $v0, SYSCALL_EXIT
	li $a0, 1
	syscall

	.data
message:
	.ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n"
messageend: