diff options
Diffstat (limited to 'grub-core/tests/boot/kbsd.init-x86_64.S')
| -rw-r--r-- | grub-core/tests/boot/kbsd.init-x86_64.S | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/grub-core/tests/boot/kbsd.init-x86_64.S b/grub-core/tests/boot/kbsd.init-x86_64.S new file mode 100644 index 0000000..7486bc3 --- /dev/null +++ b/grub-core/tests/boot/kbsd.init-x86_64.S @@ -0,0 +1,94 @@ +/* + * 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 MODE_RDRW 2 +#define FLAGS_NONE 0 +#define SYSCALL_OPEN 5 +#define SYSCALL_WRITE 4 +#ifdef TARGET_NETBSD +#define SYSCALL_RESET 208 +#elif defined (TARGET_OPENBSD) +#define SYSCALL_RESET 55 +#else +#error unknown target +#endif +#define SYSCALL_EXIT 1 +#define SYSCALL_ARCH 165 +#define SYSCALL_INT 0x80 +#define SYSCALL_ARCH_IOPL 2 + +#define RESET_NOSYNC 0x4 +#define RESET_HALT 0x8 +#define RESET_POWEROFF 0x800 + + .section ".init", "ax" + .global start,_start +start: +_start: + /* open. */ + movq $SYSCALL_OPEN, %rax + leaq device, %rdi + movq $MODE_RDRW, %rsi + movq $FLAGS_NONE, %rdx + syscall + movq %rax, %rdi + + /* write. */ + movq $SYSCALL_WRITE, %rax + movq $(messageend-message), %rdx + leaq message, %rsi + syscall + + /* IOPL. */ + movq $SYSCALL_ARCH, %rax + movq $SYSCALL_ARCH_IOPL, %rdi + leaq iopl_arg, %rsi + syscall + +#include "qemu-shutdown-x86.S" + + /* shutdown. */ + movq $SYSCALL_RESET, %rax + movq $(RESET_POWEROFF|RESET_HALT|RESET_NOSYNC), %rdi + movq $0, %rsi + syscall + + /* exit (1). Shouldn't be reached. */ + movq $SYSCALL_EXIT, %rax + movq $1, %rdi + syscall + .section ".fini", "ax" +1: jmp 1b + .section ".text", "ax" +1: jmp 1b + /* This section is needed for NetBSD to identify the binary. */ + .section ".note.netbsd.ident", "a" + .long 0x7 + .long 0x4 + .long 0x1 + .ascii "NetBSD" + .byte 0 + .data +device: + .ascii "/dev/console" + .byte 0 +message: + .ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n" +messageend: +iopl_arg: + .long 3 |