PCI_EnumerateFunctions
PCI
» SWI Calls
» PCI_EnumerateFunctions
PCI_EnumerateFunctions
(SWI &50383)
| Entry | |
|---|---|
| R3 | 0 to start enumeration, or last value from PCI_EnumerateFunctions |
| Exit | |
|---|---|
| R0 | Vendor ID (bits 0 – 15) |
| Device ID (bits 16 – 31) | |
| R1 | Subsystem Vendor ID (bits 0 – 15) |
| Subsystem ID (bits 16 – 31) | |
| R2 | Class code |
| R3 | Function handle |
Use
The purpose of this call is to iteratively read through each of the PCI devices on each call, until an error is returned.
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.