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Re: radeonfb on Pegasos
Matt Thomas wrote:
> 1) user space is complete separate from kernel.
> 2) kernel space starts anywhere after physical memory ends.
Which means usually from 0x80000000 on.
> 3) I/O space -> kernel_space need not be pa:va
> You could have the kernel map va 0x8....... to 0xd.......
Hm. I'm not sure if I understand. But does that mean you can map the PCI
I/O- or mem-space from 0xd... at 0x8... and access it there, while KERNEL_SR
is still 0xd?
> If at all posible, leave KERNEL_SR as 0xd to catch bogus 0xdeadXXXX
Would be nice, of course. At the moment my kernel complains:
oea_startup: failed to allocate DEAD ZONE: error=12
_ Frank Wille (frank%phoenix.owl.de@localhost)
_ // http://sun.hasenbraten.de/~frank/
\X/ Phx @ #AmigaGer
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