On Mon, May 13, 2013 at 11:29 PM, Thorsten Glaser <t...@mirbsd.de> wrote:
> OK, thanks. What about the others (amiga, bvme*, mac, two mvme*)?
arch/m68k/kernel/head.S has code to set up a 4 MiB mapping (1 page (4 KiB)
of 1024 PTEs) for the kernel, so it applies to all subplatforms:
/*
* mmu_init
*
* This block of code does what's necessary to map in the various kinds
* of machines for execution of Linux.
* First map the first 4 MB of kernel code & data
*/
mmu_map #PAGE_OFFSET,%pc@(L(phys_kernel_start)),#4*1024*1024,\
%pc@(m68k_supervisor_cachemode)
I guess it can be extended, if really needed. Does it work if you
change the "#4"
above to "#8"?
Note that > 4 MiB kernels won't work on platforms where the first memory block
is smaller than the kernel size.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
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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