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From: Peter Maydell <peter.maydell@linaro.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v3 08/11] target-arm: introduce tbflag for CPSR.E
Date: Thu, 26 Jun 2014 15:33:40 +0100	[thread overview]
Message-ID: <CAFEAcA_FPz4fNzOG6a5KcU=ij-x-x3JO6k4hV1X+Y4=BRTmUYg@mail.gmail.com> (raw)
In-Reply-To: <1403355502-12288-9-git-send-email-pbonzini@redhat.com>

On 21 June 2014 13:58, Paolo Bonzini <pbonzini@redhat.com> wrote:
> Together with the existing tb flag for SCTLR.B, this governs the
> endianness of data accesses.  Note that TARGET_WORDS_BIGENDIAN is
> not used, the two flags are enough because linux-user/main.c
> initializes SCTRL.B and CPSR.E correctly.
>
> Similar to bswap_code, the new predicate arm_tbflag_is_data_be only
> honors SCTLR.B in user-mode emulation.  For system-mode emulation,
> SCTLR.B only affects the bottom two bits of the address and all accesses
> are little endian.
>
> Now that CPSR.E is handled at translation time, implementing setend will
> be trivial.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM

  reply	other threads:[~2014-06-26 14:34 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-21 12:58 [Qemu-devel] [PATCH v3 00/11] implement dynamic endianness switching Paolo Bonzini
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 01/11] linux-user: arm: fix coding style for some linux-user signal functions Paolo Bonzini
2014-06-26 14:22   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 02/11] linux-user: arm: pass env to get_user_code_* Paolo Bonzini
2014-06-26 14:23   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 03/11] target-arm: implement SCTLR.B, drop bswap_code Paolo Bonzini
2014-06-26 14:01   ` Peter Maydell
2014-06-26 14:15     ` Paolo Bonzini
2014-06-26 14:53       ` Peter Maydell
2014-06-26 16:14         ` Paolo Bonzini
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 04/11] linux-user: arm: set CPSR.E correctly for BE8 mode Paolo Bonzini
2014-06-26 14:15   ` Peter Maydell
2014-06-26 14:18     ` Paolo Bonzini
2015-06-22 22:48       ` Peter Crosthwaite
2015-06-23  8:04         ` Peter Maydell
2015-06-23 18:43           ` Peter Crosthwaite
2015-06-23 18:54             ` Peter Maydell
2015-06-23 20:30               ` Peter Crosthwaite
2015-06-23 21:34                 ` Peter Maydell
2015-06-24 10:09                 ` Paolo Bonzini
2015-06-24 10:21                   ` Peter Maydell
2015-06-24 10:34                     ` Paolo Bonzini
2015-06-24 10:48                       ` Peter Maydell
2015-06-24 10:49                         ` Paolo Bonzini
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 05/11] linux-user: arm: handle CPSR.E correctly in strex emulation Paolo Bonzini
2014-06-26 14:21   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 06/11] target-arm: implement SCTLR.EE Paolo Bonzini
2014-06-26 14:29   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 07/11] target-arm: pass DisasContext to gen_aa32_ld*/st* Paolo Bonzini
2014-06-26 14:31   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 08/11] target-arm: introduce tbflag for CPSR.E Paolo Bonzini
2014-06-26 14:33   ` Peter Maydell [this message]
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 09/11] target-arm: implement setend Paolo Bonzini
2014-06-26 14:35   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 10/11] target-arm: reorganize gen_aa32_ld/st to prepare for BE32 system emulation Paolo Bonzini
2014-06-26 14:38   ` Peter Maydell
2014-06-21 12:58 ` [Qemu-devel] [PATCH v3 11/11] target-arm: implement BE32 mode in " Paolo Bonzini
2014-06-21 20:16   ` Richard Henderson
2014-06-26 14:43   ` Peter Maydell
2014-06-26 14:51     ` Paolo Bonzini
2014-12-28 12:12 ` [Qemu-devel] [PATCH v3 00/11] implement dynamic endianness switching Stefan Weil
2014-12-28 21:26   ` Paolo Bonzini
2015-06-18 18:37 ` Peter Crosthwaite
2015-06-18 19:00   ` Paolo Bonzini
2015-06-18 20:24     ` Peter Crosthwaite
2015-06-19  7:07       ` Paolo Bonzini

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