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From: "Andreas Färber" <afaerber@suse.de>
To: Yongbok Kim <yongbok.kim@imgtec.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, leon.alrae@imgtec.com
Subject: Re: [Qemu-devel] [PATCH v2 1/2] target-mips: Misaligned memory accesses for R6
Date: Mon, 11 May 2015 15:00:48 +0200	[thread overview]
Message-ID: <5550A800.70400@suse.de> (raw)
In-Reply-To: <1431343850-46198-2-git-send-email-yongbok.kim@imgtec.com>

Am 11.05.2015 um 13:30 schrieb Yongbok Kim:
> Release 6 requires misaligned memory access support for all ordinary memory
> access instructions (for example, LW/SW, LWC1/SWC1).
> However misaligned support is not provided for certain special memory accesses
> such as atomics (for example, LL/SC).
> 
> Allows misaligned accesses from mips_cpu_do_unaligned_access() callback,
> if it is a R6 core. As the helper functions of LL/SC is checking misalignment,
> just allowing all for R6 is good enough.
> 
> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
> ---
>  target-mips/op_helper.c      |    7 +++++++
>  target-mips/translate_init.c |    2 +-
>  2 files changed, 8 insertions(+), 1 deletions(-)

Reviewed-by: Andreas Färber <afaerber@suse.de>

Andreas

-- 
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Dilip Upmanyu, Graham Norton; HRB
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  reply	other threads:[~2015-05-11 13:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-11 11:30 [Qemu-devel] [PATCH v2 0/2] target-mips: Add support for misaligned accesses Yongbok Kim
2015-05-11 11:30 ` [Qemu-devel] [PATCH v2 1/2] target-mips: Misaligned memory accesses for R6 Yongbok Kim
2015-05-11 13:00   ` Andreas Färber [this message]
2015-05-11 11:30 ` [Qemu-devel] [PATCH v2 2/2] target-mips: Misaligned memory accesses for MSA Yongbok Kim
2015-05-11 13:12   ` Andreas Färber
2015-05-11 13:15   ` Yongbok Kim
2015-05-11 13:52     ` Leon Alrae
2015-05-12  9:54     ` Peter Maydell
2015-05-12 15:38       ` Richard Henderson
2015-05-12  9:43   ` Leon Alrae

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