[OpenBIOS] [PATCH] sparc64 add mmu translate and unmap methods
blauwirbel at gmail.com
Sat Sep 27 21:48:39 CEST 2008
On 9/27/08, Igor Kovalenko <igor.v.kovalenko at gmail.com> wrote:
> This patch enables mmu methonds "translate" and "unmap" for sparc64.
> Helper function spitfire_translate walks through dtlb entries and
> performs phys to virt translation. Two other helpers itlb_demap and
> dtlb_demap perform actual tlb entry demapping. It is then easy to
> implement unmap_pages() which is the reverse of map_pages(), and
> enable mmu_unmap as the result.
> I tested these changes to work with qemu-system-sparc64 loading gentoo
> 2008.0 iso image.
> qemu is currently lacking spitfire demap ASI support which I'll post
> there shortly.
> Please apply.
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