Lines Matching full:bios
46 * This is the start of a standard BIOS Parameter Block (BPB). Most bootable
47 * FAT disks have this at the start of their MBR. While normal BIOS's will
52 * recognize the disk and (W) indicates fields written from IBM BIOS code.
77 ebpb: .byte 0 # BIOS physical drive number (W)
82 * the BIOS. Call with:
240 xorb %ah,%ah # BIOS: Get
245 * Display a null-terminated string using the BIOS output.
248 movb $0xe,%ah # BIOS: Display
266 * fetch the drive parameters from the BIOS and divide it out ourselves.
278 movb $0x41,%ah # BIOS: Check
287 movb $0x42,%ah # BIOS: Extended
291 movb $0x8,%ah # BIOS: Get drive
332 movb $0x2,%ah # BIOS: Read
338 xorb %ah,%ah # BIOS: Reset