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Diffstat (limited to 'tests/multiboot/start.S')
| -rw-r--r-- | tests/multiboot/start.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/multiboot/start.S b/tests/multiboot/start.S new file mode 100644 index 0000000000..7d33959650 --- /dev/null +++ b/tests/multiboot/start.S @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +.section multiboot + +#define MB_MAGIC 0x1badb002 +#define MB_FLAGS 0x0 +#define MB_CHECKSUM -(MB_MAGIC + MB_FLAGS) + +.align 4 +.int MB_MAGIC +.int MB_FLAGS +.int MB_CHECKSUM + +.section .text +.global _start +_start: + mov $stack, %esp + push %ebx + push %eax + call test_main + + /* Test device exit */ + outl %eax, $0xf4 + + cli + hlt + jmp . + +.section bss +.space 8192 +stack: |