4 sysgeneratespecialcycle, 5 sysreadconfigbyte, Sysgeneratespecialcycle -8 – Intel Evaluation Platform Board Manual IQ80960RM User Manual
Page 46: Sysreadconfigbyte -8
5-8
IQ80960RM/RN
Evaluation Board Manual
MON960 Support for IQ80960RM/RN
5.4.2.4
sysGenerateSpecialCycle
This function allows for generation of PCI Special Cycles. The generated special cycle is broadcast
on a specific PCI Bus in the system.
PCI Special Cycles are not supported on the IQ80960RM/RN platform secondary PCI bus.
Calling convention:
int sysGenerateSpecialCycle (
int bus_number,
int special_cycle_data
);
Return values:
Since PCI Special Cycles are not supported by the IQ80960RM/RN platform, this function always
returns FUNC_NOT_SUPPORTED.
5.4.2.5
sysReadConfigByte
This function allows the caller to read individual bytes from the configuration space of a specific
device.
Calling convention:
int sysReadConfigByte (
int
bus_number,
int
device_number,
int
function_number,
int
register_number,
/* 0,1,2,...,255 */
UINT8
*data
);
Return values:
This function returns SUCCESSFUL when the indicated byte was read correctly, or ERROR when
there is a problem with the parameters.