diff options
Diffstat (limited to '01_exercise/bootloader.c')
| -rw-r--r-- | 01_exercise/bootloader.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/01_exercise/bootloader.c b/01_exercise/bootloader.c new file mode 100644 index 0000000..a5806e4 --- /dev/null +++ b/01_exercise/bootloader.c @@ -0,0 +1,23 @@ +/* needs to stay the first line */ +asm(".code16gcc\njmp $0, $main"); + +/* space for additional code */ + +void main(void) +{ + asm( + "mov $0x007, %%ebx;" + "mov $0xE4E, %%eax; int $0x10;" + "mov $0xE69, %%eax; int $0x10;" + "mov $0xE63, %%eax; int $0x10;" + "mov $0xE65, %%eax; int $0x10;" + "mov $0xE20, %%eax; int $0x10;" + "mov $0xE42, %%eax; int $0x10;" + "mov $0xE6F, %%eax; int $0x10;" + "mov $0xE6F, %%eax; int $0x10;" + "mov $0xE74, %%eax; int $0x10;" + "mov $0xE73, %%eax; int $0x10;" + "jmp .;" + ::: "eax", "ebx" + ); +} |