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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2012 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 4
#define SYSCALL_RESET 88
#define SYSCALL_EXIT 1
#define STDOUT 1
#define SHUTDOWN_MAGIC1 0xfee1dead
#define SHUTDOWN_MAGIC2 0x28121969
#define SHUTDOWN_MAGIC3 0x4321fedc
.text
.global start, _start, __start
__start:
_start:
start:
/* write. */
li %r0, SYSCALL_WRITE
li %r3, STDOUT
lis %r4, message@h
ori %r4, %r4, message@l
lis %r5, messageend@h
ori %r5, %r5, messageend@l
sub %r5, %r5, %r4
sc
/* shutdown. */
li %r0, SYSCALL_RESET
lis %r3, SHUTDOWN_MAGIC1@h
ori %r3, %r3, SHUTDOWN_MAGIC1@l
lis %r4, SHUTDOWN_MAGIC2@h
ori %r4, %r4, SHUTDOWN_MAGIC2@l
lis %r5, SHUTDOWN_MAGIC3@h
ori %r5, %r5, SHUTDOWN_MAGIC3@l
sc
/* exit(1). Shouldn't be reached. */
li %r0, SYSCALL_EXIT
li %r3, 1
sc
.data
message:
.ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n"
messageend:
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