From: Richard Henderson <rth7680@gmail.com>
To: Leon Alrae <leon.alrae@imgtec.com>, qemu-devel@nongnu.org
Cc: amit.shah@redhat.com, aurelien@aurel32.net, afaerber@suse.de,
macro@linux-mips.org, quintela@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2 2/2] target-mips: add missing MSACSR and restore fp_status and hflags
Date: Fri, 20 Feb 2015 07:38:52 -0800 [thread overview]
Message-ID: <54E7550C.4090800@gmail.com> (raw)
In-Reply-To: <1424437665-16939-3-git-send-email-leon.alrae@imgtec.com>
On 02/20/2015 05:07 AM, Leon Alrae wrote:
> Save MSACSR state. Also remove fp_status, msa_fp_status, hflags and restore
> them in post_load() from the architectural registers.
> Float exception flags are not present in vmstate. Information they carry
> is used only by softfloat caller who translates them into MIPS FCSR.Cause,
> FCSR.Flags and then they are cleared. Therefore there is no need for saving
> them in vmstate.
>
> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
r~
prev parent reply other threads:[~2015-02-20 15:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 13:07 [Qemu-devel] [PATCH v2 0/2] target-mips: port MIPS CPU to VMState Leon Alrae
2015-02-20 13:07 ` [Qemu-devel] [PATCH v2 1/2] target-mips: replace cpu_save/cpu_load with VMStateDescription Leon Alrae
2015-02-20 13:07 ` [Qemu-devel] [PATCH v2 2/2] target-mips: add missing MSACSR and restore fp_status and hflags Leon Alrae
2015-02-20 15:38 ` Richard Henderson [this message]
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