A fast and easily customised operating system
for ARM devices
PCI_FindByLocation
Programmer's Reference Manuals
» Part 15 – SWI Calls
» PCI
» PCI_FindByLocation
PCI_FindByLocation
(SWI &5038D)
| Entry | |
|---|---|
| R0 | Bus |
| R1 | Dev/fn |
| Exit | |
|---|---|
| R0 | Preserved ? |
| R1 | Preserved ? |
| R3 | Function handle |
Use
The purpose of this call is to find the function handle based on the topology passed in R0 and R1.
Notes
This topology will be platform specific and could vary if backplanes with bridges are inserted into the system.