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HAL_PCIFeatures
Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_PCIFeatures
HAL_PCIFeatures
(HAL entry #87)
unsigned int HAL_PCIFeatures(void)
| Entry | |
|---|---|
| - |
| Exit | |
|---|---|
| Bit 0 | Special cycles supported |
| Bit 1 | Memory read/write supported |
| Bit 2 | Failed transfers may cause aborts |
| Bit 3 | Host bridge is fast back-to-back capable |
Use
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.