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From: Laurent Vivier <laurent@vivier.eu>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: alex.bennee@linaro.org
Subject: Re: [PATCH v2 04/12] linux-user/sparc: Use WREG constants in sparc/target_cpu.h
Date: Tue, 5 Nov 2019 10:49:03 +0100	[thread overview]
Message-ID: <22579921-a656-3bb9-8f8e-09c43d377ab2@vivier.eu> (raw)
In-Reply-To: <20191025113921.9412-5-richard.henderson@linaro.org>

Le 25/10/2019 à 13:39, Richard Henderson a écrit :
> This fixes a naming bug wherein we used "UREG_FP" to access the
> stack pointer.  OTOH, the "UREG_FP" constant was also defined
> incorrectly such that it *did* reference the stack pointer.
> 
> Note that the kernel legitimately uses the name "FP", because it
> utilizes the rolled stack window in processing the system call.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  linux-user/sparc/target_cpu.h | 10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/linux-user/sparc/target_cpu.h b/linux-user/sparc/target_cpu.h
> index 1ffc0ae9f2..b30fbc72c4 100644
> --- a/linux-user/sparc/target_cpu.h
> +++ b/linux-user/sparc/target_cpu.h
> @@ -41,15 +41,9 @@ static inline void cpu_set_tls(CPUSPARCState *env, target_ulong newtls)
>      env->gregs[7] = newtls;
>  }
>  
> -#ifndef UREG_I6
> -#define UREG_I6        6
> -#endif
> -#ifndef UREG_FP
> -#define UREG_FP        UREG_I6
> -#endif
> -
>  static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
>  {
> -    return state->regwptr[UREG_FP];
> +    return state->regwptr[WREG_SP];
>  }
> +
>  #endif
> 

Applied to my linux-user branch.

Thanks,
Laurent


  parent reply	other threads:[~2019-11-05  9:49 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-25 11:39 [PATCH v2 00/12] linux-user sparc fixes Richard Henderson
2019-10-25 11:39 ` [PATCH v2 01/12] scripts/qemu-binfmt-conf: Update for sparc64 Richard Henderson
2019-11-05  9:43   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 02/12] tests/tcg/multiarch/linux-test: Fix error check for shmat Richard Henderson
2019-10-25 12:59   ` Philippe Mathieu-Daudé
2019-10-25 13:00   ` Philippe Mathieu-Daudé
2019-11-05  9:45   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 03/12] target/sparc: Define an enumeration for accessing env->regwptr Richard Henderson
2019-11-05  9:45   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 04/12] linux-user/sparc: Use WREG constants in sparc/target_cpu.h Richard Henderson
2019-10-25 12:09   ` Laurent Vivier
2019-11-05  9:49   ` Laurent Vivier [this message]
2019-10-25 11:39 ` [PATCH v2 05/12] linux-user/sparc: Begin using WREG constants in sparc/signal.c Richard Henderson
2019-10-25 12:16   ` Laurent Vivier
2019-11-05  9:49   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 06/12] linux-user/sparc: Use WREG_SP constant " Richard Henderson
2019-10-25 12:19   ` Laurent Vivier
2019-11-05  9:50   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 07/12] linux-user/sparc: Fix WREG usage in setup_frame Richard Henderson
2019-11-05  9:50   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 08/12] linux-user/sparc64: Fix target_signal_frame Richard Henderson
2019-10-25 12:47   ` Laurent Vivier
2019-10-25 13:38     ` Richard Henderson
2019-10-25 13:43       ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 09/12] linux-user: Rename cpu_clone_regs to cpu_clone_regs_child Richard Henderson
2019-10-25 13:03   ` Philippe Mathieu-Daudé
2019-11-05  9:52   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 10/12] linux-user: Introduce cpu_clone_regs_parent Richard Henderson
2019-10-25 13:04   ` Philippe Mathieu-Daudé
2019-11-05  9:52   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 11/12] linux-user/sparc: Fix cpu_clone_regs_* Richard Henderson
2019-11-05  9:54   ` Laurent Vivier
2019-10-25 11:39 ` [PATCH v2 12/12] linux-user/alpha: Set r20 secondary return value Richard Henderson
2019-10-25 12:56   ` Laurent Vivier
2019-11-05  9:53   ` Laurent Vivier
2019-10-25 12:50 ` [PATCH v2 00/12] linux-user sparc fixes Laurent Vivier
2019-10-26  7:02 ` no-reply

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