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Re: recent rasops commits vs. macppc
Hello,
On Sat, 3 Aug 2019 14:46:32 +0900
Rin Okuyama <rokuyama.rk%gmail.com@localhost> wrote:
> Maybe it's time to remove all non-32bit access to fb.
> I expect it is not a very hard work for now ;-).
I seriously doubt that's the problem, because:
- 32bit powerpc doesn't really do 64bit accesses ( unlike sparc for
example ) and altivec is disabled for kernel code ( since gcc started
using altivec for optimized, inlined memcpy )
- at least one of the putchar_aa() methods used memcpy() in order to
speed things up by rendering scanlines into cached memory and then
quickly copying them into slow & uncached video memory, which worked
just fine everywhere I tried ( that is, mips, powerpc, sparc, sparc64
and arm )
> PS
> I ordered Mac Mini G4, although serial console is hopeless...
They're nice little machines which usually don't cause much trouble.
Opening them is quite painful though.
have fun
Michael
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