HAL_PCIWriteConfigByte (changes)
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Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_PCIWriteConfigByte
HAL_PCIWriteConfigByte
(HAL entry #91)
void HAL_PCIWriteConfigByte(int bus, int devfn, int addr, uint8_t value)
| Entry | |
|---|---|
| bus | Bus number to write to |
| devfn | Device number to write to |
| addr | Address to write to |
| value | Byte to write |
| Exit | |
|---|---|
| - |
Use
Writes a configuration byte to a device on the PCI bus.
This is an internal call for use by the PCI module and should not be used by user software. User software should use the PCI SWIs instead of talking to the HAL directly.
See also
Information source: HAL.Tungsten.s.PCIasm in CVS
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