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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: "Thomas Huth" <thuth@redhat.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Aleksandar Rikalo" <arikalo@gmail.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Anton Johansson" <anjo@rev.ng>
Subject: Re: [PATCH 05/12] target/mips: Introduce mo_endian() helper
Date: Thu, 3 Oct 2024 15:56:47 -0700	[thread overview]
Message-ID: <6413cf66-c1e6-4754-a26b-2467999c699e@linaro.org> (raw)
In-Reply-To: <20240930091101.40591-6-philmd@linaro.org>

On 9/30/24 02:10, Philippe Mathieu-Daudé wrote:
> Introduce mo_endian() which returns the endian MemOp
> corresponding to the vCPU DisasContext.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   target/mips/tcg/translate.h | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h
> index 2b6646b339..54955437ef 100644
> --- a/target/mips/tcg/translate.h
> +++ b/target/mips/tcg/translate.h
> @@ -240,4 +240,9 @@ static inline bool cpu_is_bigendian(DisasContext *ctx)
>       return extract32(ctx->CP0_Config0, CP0C0_BE, 1);
>   }
>   
> +static inline MemOp mo_endian(DisasContext *dc)
> +{
> +    return cpu_is_bigendian(dc) ? MO_BE : MO_LE;
> +}

Based on patch 6, I think you'd better pass 'bool reversed' to this function.
Then

     disas_is_bigendian(dc) ^ reversed ? MO_BE : MO_LE;

r~


  reply	other threads:[~2024-10-03 22:57 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-30  9:10 [PATCH 00/12] target/mips: Remove target-specific endianness knowledge Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 01/12] target/mips: Declare cpu_is_bigendian_env() in 'internal.h' Philippe Mathieu-Daudé
2024-10-03 22:52   ` Richard Henderson
2024-09-30  9:10 ` [PATCH 02/12] target/mips: Introduce mo_endian_env() helper Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 03/12] target/mips: Replace MO_TE by mo_endian_env() in get_pte() Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 04/12] target/mips: Convert mips16e decr_and_load/store() macros to functions Philippe Mathieu-Daudé
2024-10-03 22:55   ` Richard Henderson
2024-09-30  9:10 ` [PATCH 05/12] target/mips: Introduce mo_endian() helper Philippe Mathieu-Daudé
2024-10-03 22:56   ` Richard Henderson [this message]
2024-09-30  9:10 ` [PATCH 06/12] target/mips: Explode MO_TExx -> MO_TE | MO_xx Philippe Mathieu-Daudé
2024-10-01  9:56   ` Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 07/12] target/mips: Replace MO_TE by mo_endian() Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 08/12] target/mips: Expose MIPSCPU::is_big_endian property Philippe Mathieu-Daudé
2024-10-03 22:59   ` Richard Henderson
2024-09-30  9:10 ` [PATCH 09/12] hw/mips/cps: Set the vCPU 'cpu-big-endian' property Philippe Mathieu-Daudé
2024-09-30  9:10 ` [PATCH 10/12] hw/mips: Have mips_cpu_create_with_clock() take an endianness argument Philippe Mathieu-Daudé
2024-09-30  9:11 ` [PATCH 11/12] target/mips: Remove target-specific code in mips_cpu_reset_hold() Philippe Mathieu-Daudé
2024-10-03 23:01   ` Richard Henderson
2024-10-10 20:22     ` Philippe Mathieu-Daudé
2024-09-30  9:11 ` [PATCH 12/12] hw/mips/malta: Remove TARGET_BIG_ENDIAN #ifdef'ry Philippe Mathieu-Daudé
2024-09-30 12:25 ` [PATCH 00/12] target/mips: Remove target-specific endianness knowledge Jiaxun Yang

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