diff options
Diffstat (limited to 'mubios/core')
| -rw-r--r-- | mubios/core/post.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mubios/core/post.c b/mubios/core/post.c index a37f192..076d262 100644 --- a/mubios/core/post.c +++ b/mubios/core/post.c @@ -36,5 +36,14 @@ post_main (void) pit_init (); ioapic_init (); - serial_write ("mubios: IVT/PIC/PIT initialized\r\n"); + volatile u8 *mbr; + u8 ata_status; + + mbr = (volatile u8 *)0x00007C00u; + ata_status = ata_read_sector28 (0, (u16 *)mbr); + + if (ata_status == 0 && mbr[0x01FE] == 0x55 && mbr[0x01FF] == 0xAA) + serial_write ("mubios: MBR loaded\r\n"); + else + serial_write ("mubios: MBR read failed\r\n"); } |