On Sun, Jul 28, 2013 at 10:07 PM, Thorsten Glaser <[email protected]> wrote:
> S�bastien Villemot dixit:
>
>>In order to fix this, we need to pre-compute so-called "architectural
>>defaults" for m68k. These are pre-computed timings that will speed up
>>dramatically the build of the package.
>
> I wonder: *does* m68k have something like an L1 cache, at all?
Depends.
68000 has nothing
68010/68012 has 2 instruction loop mode (better than nothing ;-)
68020 has 256 bytes instruction cache (IC)
68030 has 256 bytes IC and 256 bytes data cache (DC)
68040 has 4 KiB IC and 4 KiB DC
68060 has 8 KiB IC and 8 KiB DC
That's for the classic m68k. Coldfire is different.
> Calculated L1 cache size = 8kb; Correct=0
Hmm, 68060...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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