Section: BIOS32 Functions (9)
Updated: August 5, 1997
pcibios_read_config_byte - read one byte of data from the configuration
space of the PCI bus
int pcibios_read_config_byte (unsigned char bus, unsigned char device_fn,unsigned char where, unsigned char * value);
function reads one byte from the configuration space of the PCI bus. The
bus can be specified with the
paramter determines which ? to use.
is set to the ?. After the call is made,
points to the value that was read.
The return value is taken from the PCI controller in a way that I'm
not quite sure of.
If the PCI system is unavailable, PCIBIOS_FUNC_NOT_SUPPORTED is
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