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From: Laurent Vivier <laurent@vivier.eu>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 4/7] linux-user/nios2: Map a real kuser page
Date: Wed, 22 Dec 2021 21:18:23 +0100	[thread overview]
Message-ID: <29ef5fa8-9671-c6b1-6feb-635e07392283@vivier.eu> (raw)
In-Reply-To: <20211221025012.1057923-5-richard.henderson@linaro.org>

Le 21/12/2021 à 03:50, Richard Henderson a écrit :
> The first word of page1 is data, so the whole thing
> can't be implemented with emulation of addresses.
> Use init_guest_commpage for the allocation.
> 
> Hijack trap number 16 to implement cmpxchg.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   linux-user/elfload.c        | 50 ++++++++++++++++++++++++++++++++++++-
>   linux-user/nios2/cpu_loop.c | 50 ++++++++++++++++++++-----------------
>   target/nios2/translate.c    |  9 -------
>   3 files changed, 76 insertions(+), 33 deletions(-)
> 

Reviewed-by: Laurent Vivier <laurent@vivier.eu>



  reply	other threads:[~2021-12-22 20:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-21  2:50 [PATCH v2 0/7] linux-user: nios2 fixes Richard Henderson
2021-12-21  2:50 ` [PATCH v2 1/7] linux-user/nios2: Properly emulate EXCP_TRAP Richard Henderson
2021-12-22 18:52   ` Laurent Vivier
2022-01-05 10:23   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 2/7] linux-user/nios2: Fixes for signal frame setup Richard Henderson
2022-01-05 10:23   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 3/7] linux-user/elfload: Rename ARM_COMMPAGE to HI_COMMPAGE Richard Henderson
2022-01-05 10:24   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 4/7] linux-user/nios2: Map a real kuser page Richard Henderson
2021-12-22 20:18   ` Laurent Vivier [this message]
2022-01-05 10:24   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 5/7] linux-user/nios2: Fix EA vs PC confusion Richard Henderson
2021-12-22 20:20   ` Laurent Vivier
2022-01-05 10:24   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 6/7] linux-user/nios2: Fix sigmask in setup_rt_frame Richard Henderson
2022-01-05 10:24   ` Laurent Vivier
2021-12-21  2:50 ` [PATCH v2 7/7] linux-user/nios2: Use set_sigmask in do_rt_sigreturn Richard Henderson
2022-01-05 10:24   ` Laurent Vivier

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