HAL_PCIReadConfigByte (changes)
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Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_PCIReadConfigByte
HAL_PCIReadConfigByte
(HAL entry #88)
uint8_t HAL_PCIReadConfigByte(int bus, int devfn, int addr)
| Entry | |
|---|---|
| bus | Bus number to read from |
| devfn | Device number to read from |
| addr | Address to read from |
| Exit | |
|---|---|
| - | Returns the read byte |
Use
Reads a configuration byte from 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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