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Hello,

> You can't do that on sparc64.  That functionality has been explicitly
> disabled to prevent userland from causing possible kernel hangs or panics.

...

> If you want to access PCI memory space you need to go through some
> sort of PCI device driver that knows what bits, such as cacheabiliy
> and endianness, need to be set to map it in correctly.

Hmm, pcimmap() in pci_usrreq.c is disabled, so mmap()ing /dev/pci won't work either. So reading PCI ROMs from userland on sparc64 is currently not possible :/

have fun
Michael

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