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Re: [Qemu-devel] [PATCH for-2.0] tcg-arm: Avoid ldrd/strd for user-only
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH for-2.0] tcg-arm: Avoid ldrd/strd for user-only emulation |
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Date: |
Thu, 27 Mar 2014 20:30:59 +0000 |
On 25 March 2014 21:17, Richard Henderson <address@hidden> wrote:
> The arm ldrd/strd insns must cause alignment traps, whereas
> at least for armv7 ldr/str must handle unaligned operations.
>
> While this is hardly the only problem facing user-only emu,
> this solves one problem for i386 on armv7 emulation.
>
> Cc: Peter Maydell <address@hidden>
> Cc: Andrzej Zaborowski <address@hidden>
> Reported-by: Huw Davies <address@hidden>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
> tcg/arm/tcg-target.c | 21 +++++++++++++++++----
> 1 file changed, 17 insertions(+), 4 deletions(-)
Reviewed-by: Peter Maydell <address@hidden>
-- PMM