diff options
Diffstat (limited to 'grub-core/tests/boot/linux.init-i386.S')
| -rw-r--r-- | grub-core/tests/boot/linux.init-i386.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/grub-core/tests/boot/linux.init-i386.S b/grub-core/tests/boot/linux.init-i386.S new file mode 100644 index 0000000..c0983ac --- /dev/null +++ b/grub-core/tests/boot/linux.init-i386.S @@ -0,0 +1,61 @@ +/* + * 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 4 +#define SYSCALL_RESET 88 +#define SYSCALL_IOPL 110 +#define SYSCALL_EXIT 1 +#define SYSCALL_INT 0x80 + +#define STDOUT 1 +#define SHUTDOWN_MAGIC1 0xfee1dead +#define SHUTDOWN_MAGIC2 0x28121969 +#define SHUTDOWN_MAGIC3 0x4321fedc + + .text + .global start, _start +_start: +start: + /* write. */ + movl $SYSCALL_WRITE, %eax + movl $STDOUT, %ebx + leal message, %ecx + movl $(messageend-message), %edx + int $SYSCALL_INT + + movl $SYSCALL_IOPL, %eax + movl $3, %ebx + int $SYSCALL_INT + +#include "qemu-shutdown-x86.S" + + /* shutdown. */ + movl $SYSCALL_RESET, %eax + movl $SHUTDOWN_MAGIC1, %ebx + movl $SHUTDOWN_MAGIC2, %ecx + movl $SHUTDOWN_MAGIC3, %edx + int $SYSCALL_INT + + /* exit (1). Shouldn't be reached. */ + movl $SYSCALL_EXIT, %eax + movl $1, %ebx + int $SYSCALL_INT + .data +message: + .ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n" +messageend: |