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Re: pci_mapreg_map and BAR from `Bus space tutorial'



On giu 10 12:54, Rocky Hotas wrote:

> the address 0x10110000 belongs to a `user process virtual space, mapped
> and cached', both when the processor uses 32 and 64 bit addresses.

No, sorry, that was about Virtual addresses, not physical ones. Here,

 <https://techpubs.jurassic.nl/manuals/hdwr/developer/DevDrvrO2_PG/sgi_html/ch15.html#id14958>

it is only stated that ``the relationship between the PCI bus address
space and the system memory physical address space differs from one
system type to another''.
So, basically it gives no information.

Rocky


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