From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: blauwirbel@gmail.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 01/13] linux-user: Use memcpy in get_user/put_user.
Date: Mon, 17 Sep 2012 08:40:49 -0700 [thread overview]
Message-ID: <50574481.8000600@twiddle.net> (raw)
In-Reply-To: <CAFEAcA9V3FLLbcGqLxvjHAuzrifGRfcgjpTf2T6vMAFfk2N-Eg@mail.gmail.com>
On 09/17/2012 08:35 AM, Peter Maydell wrote:
> On 17 September 2012 16:28, Richard Henderson <rth@twiddle.net> wrote:
>> Not sure whether this is a gcc bug, but on sparc we wind up
>> trying to use std to an unaligned address. The patch does
>> work around the problem.
>
> Hmm. I guess this is guest and host having differing alignment
> requirements for 64 bit types? What case does it fail on?
I'll have to re-check. I'm pretty sure this was sparc32 hosting arm-linux-user.
r~
next prev parent reply other threads:[~2012-09-17 15:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-16 0:05 [Qemu-devel] [PATCH] fix gcc warnings when RESERVED_VA is 0 Mike Frysinger
2012-09-16 9:58 ` Peter Maydell
2012-09-16 10:25 ` Blue Swirl
2012-09-17 15:28 ` [Qemu-devel] [PATCH v2 00/13] Sparc TCG cleanup Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 01/13] linux-user: Use memcpy in get_user/put_user Richard Henderson
2012-09-17 15:35 ` Peter Maydell
2012-09-17 15:40 ` Richard Henderson [this message]
2012-09-17 16:06 ` Peter Maydell
2012-09-17 15:28 ` [Qemu-devel] [PATCH 02/13] tcg-sparc: Hack in qemu_ld/st64 for 32-bit Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 03/13] tcg-sparc: Fix ADDX opcode Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 04/13] tcg-sparc: Assume v9 cpu always, i.e. force v8plus in 32-bit mode Richard Henderson
2012-09-17 16:04 ` Andreas Färber
2012-09-17 17:05 ` Richard Henderson
2012-09-17 19:25 ` Blue Swirl
2012-09-17 21:52 ` Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 05/13] tcg-sparc: Fix qemu_ld/st to handle 32-bit host Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 06/13] tcg-sparc: Support GUEST_BASE Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 07/13] tcg-sparc: Change AREG0 in generated code to %i0 Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 08/13] tcg-sparc: Clean up cruft stemming from attempts to use global registers Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 09/13] tcg-sparc: Mask shift immediates to avoid illegal insns Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 10/13] tcg-sparc: Use defines for temporaries Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 11/13] tcg-sparc: Add %g/%o registers to alloc_order Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 12/13] tcg-sparc: Fix and enable direct TB chaining Richard Henderson
2012-09-17 15:28 ` [Qemu-devel] [PATCH 13/13] tcg: Fix !USE_DIRECT_JUMP Richard Henderson
2012-09-17 15:50 ` Andreas Färber
2012-09-21 20:21 ` Stefan Weil
2012-09-21 10:28 ` Aurelien Jarno
2012-09-21 18:16 ` Aurelien Jarno
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