| 1 | ; File name : AH11h_HRecal.asm |
|---|
| 2 | ; Project name : IDE BIOS |
|---|
| 3 | ; Created date : 28.9.2007 |
|---|
| 4 | ; Last update : 14.1.2011 |
|---|
| 5 | ; Author : Tomi Tilli, |
|---|
| 6 | ; : Krister Nordvall (optimizations) |
|---|
| 7 | ; Description : Int 13h function AH=11h, Recalibrate. |
|---|
| 8 | |
|---|
| 9 | ; Section containing code |
|---|
| 10 | SECTION .text |
|---|
| 11 | |
|---|
| 12 | ;-------------------------------------------------------------------- |
|---|
| 13 | ; Int 13h function AH=11h, Recalibrate. |
|---|
| 14 | ; |
|---|
| 15 | ; AH11h_HandlerForRecalibrate |
|---|
| 16 | ; Parameters: |
|---|
| 17 | ; AH: Bios function 11h |
|---|
| 18 | ; DL: Drive number |
|---|
| 19 | ; Parameters loaded by Int13h_Jump: |
|---|
| 20 | ; DS: RAMVARS segment |
|---|
| 21 | ; Returns: |
|---|
| 22 | ; AH: BIOS Error code |
|---|
| 23 | ; CF: 0 if succesfull, 1 if error |
|---|
| 24 | ; IF: 1 |
|---|
| 25 | ; Corrupts registers: |
|---|
| 26 | ; Flags |
|---|
| 27 | ;-------------------------------------------------------------------- |
|---|
| 28 | ALIGN JUMP_ALIGN |
|---|
| 29 | AH11h_HandlerForRecalibrate: |
|---|
| 30 | push dx |
|---|
| 31 | push cx |
|---|
| 32 | push bx |
|---|
| 33 | push ax |
|---|
| 34 | %ifndef USE_186 |
|---|
| 35 | call AH11h_RecalibrateDrive |
|---|
| 36 | jmp Int13h_PopXRegsAndReturn |
|---|
| 37 | %else |
|---|
| 38 | push Int13h_PopXRegsAndReturn |
|---|
| 39 | ; Fall through to AH11h_RecalibrateDrive |
|---|
| 40 | %endif |
|---|
| 41 | |
|---|
| 42 | |
|---|
| 43 | ;-------------------------------------------------------------------- |
|---|
| 44 | ; Int 13h function AH=11h, Recalibrate. |
|---|
| 45 | ; |
|---|
| 46 | ; AH11h_HRecalibrate |
|---|
| 47 | ; Parameters: |
|---|
| 48 | ; DL: Drive number |
|---|
| 49 | ; DS: RAMVARS segment |
|---|
| 50 | ; Returns: |
|---|
| 51 | ; DS:DI: Ptr to DPT |
|---|
| 52 | ; AH: BIOS Error code |
|---|
| 53 | ; CF: 0 if succesfull, 1 if error |
|---|
| 54 | ; Corrupts registers: |
|---|
| 55 | ; AL, BX, CX, DX |
|---|
| 56 | ;-------------------------------------------------------------------- |
|---|
| 57 | ALIGN JUMP_ALIGN |
|---|
| 58 | AH11h_RecalibrateDrive: |
|---|
| 59 | ; Recalibrate command is optional, vendor specific and not even |
|---|
| 60 | ; supported on later ATA-standards. Let's do seek instead. |
|---|
| 61 | mov cx, 1 ; Seek to Cylinder 0, Sector 1 |
|---|
| 62 | xor dh, dh ; Head 0 |
|---|
| 63 | jmp AHCh_SeekToCylinder |
|---|
