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- /*
- * 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:
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