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
next prev 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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