ADFS_IDEDeviceInfo (changes)
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ADFS
» SWI Calls
» ADFS_IDEDeviceInfo
ADFS_IDEDeviceInfo
(SWI &40253)
Input is dependent on the version of ADFS Module in use.
ADFS 3.34 thru 3.99 only:
| Entry | |
|---|---|
| R0 | 0 – Device info by Legacy ID |
| R1 | bit 0 set => find information for ATADriver device ID 8 rather than 0 |
| (corresponds to slave rather than master device on PATA systems) | |
| bit 1 = find information for ATADriver controller/port ID 1 rather than 0 | |
| bits 2-31 reserved, should be 0 |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Type of device: |
| 0 – no device | |
| 1 – non-packet | |
| 2 – packet device (ATAPI) | |
| R2 | ADFS drive number of device, otherwise undefined |
| R3 | Pointer to a 512-byte block containing the data returned by an ATA IDENTIFY DEVICE or IDENTIFY PACKET DEVICE, or 0 if no device |
ADFS 4.x only:
| Entry | |
|---|---|
| R0 | 1 – Device info by controller/port and device ID |
| R1 | bits 0-3 = device ID |
| bits 4-11 = controller/port ID | |
| bits 12-31 reserved, should be 0 |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Type of device: |
| 0 – no device | |
| 1 – non-packet | |
| 2 – packet device (ATAPI) | |
| R2 | ADFS drive number of device, otherwise -1 |
| R3 | Pointer to a 512-byte block containing the data returned by an ATA IDENTIFY DEVICE or IDENTIFY PACKET DEVICE, or 0 if no device |
| Entry | |
|---|---|
| R0 | 2 – Device info by drive number |
| R1 | ADFS drive number of device |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Type of device: |
| 0 – no device | |
| 1 – non-packet | |
| R2 | bits 0-3 = device ID |
| bits 4-11 = controller/port ID | |
| R3 | Pointer to a 512-byte block containing the data returned by an ATA IDENTIFY DEVICE or IDENTIFY PACKET DEVICE, or 0 if no device |
Use
The purpose of this call is to return information on attached devices.
See also
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