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Re: [Qemu-devel] [PATCH] microblaze: Remove uses of TCGv and target_ulon
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH] microblaze: Remove uses of TCGv and target_ulong |
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Date: |
Mon, 18 May 2015 19:43:30 +0100 |
On 18 May 2015 at 19:37, Richard Henderson <address@hidden> wrote:
> Aside from target_ulong addr, there's also TARGET_PAGE_MASK, TARGET_PAGE_SIZE,
> TARGET_PAGE_BITS, CPU_TLB_SIZE. What's our position on the compatibility of
> the mmu between the multi-arch platforms? I assume at the moment they must be
> all the same?
In the general case we have to support these being different between
different CPUs...
> Of course, I've mentioned before that ARM might well benefit from having these
> values be variable and not constant at all. Primarily because of the armv5 1K
> pages affecting aarch64.
Yes, it would be nice if we got a variable TARGET_PAGE_SIZE. (Also true
for 32-bit ARMv7, for that matter.)
-- PMM