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PCI_ReadHeader
Programmer's Reference Manuals
» Part 15 – SWI Calls
» PCI
» PCI_ReadHeader
PCI_ReadHeader
(SWI &50381)
| Entry | |
|---|---|
| R1 | Pointer to buffer |
| R2 | Number of bytes to read (4-256, must be multiple of 4) |
| R3 | Function handle |
| Exit | |
|---|---|
| R1 | Buffer updated |
| R2 | Preserved ? |
| R3 | Preserved ? |
Use
The purpose of this call is to read as much of the header as requested, rather than the limited information returned by PCI_ReadID.