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Re: [Qemu-devel] [PATCH] microblaze: Remove uses of TCGv and target_ulon

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] microblaze: Remove uses of TCGv and target_ulong
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

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