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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: qemu-riscv@nongnu.org, qemu-ppc@nongnu.org, qemu-arm@nongnu.org,
	qemu-block@nongnu.org, BALATON Zoltan <balaton@eik.bme.hu>
Subject: Re: [PATCH v2 3/4] bulk: Replace TARGET_FMT_plx -> HWADDR_PRIx
Date: Wed, 11 Jan 2023 09:50:25 -1000	[thread overview]
Message-ID: <782e40cf-532b-8148-1512-1b56668977e1@linaro.org> (raw)
In-Reply-To: <20230111083909.42624-4-philmd@linaro.org>

On 1/11/23 00:39, Philippe Mathieu-Daudé wrote:
> The 'hwaddr' type is defined in "exec/hwaddr.h" as:
> 
>      hwaddr is the type of a physical address
>     (its size can be different from 'target_ulong').
> 
> All definitions use the 'HWADDR_' prefix, except TARGET_FMT_plx:
> 
>   $ fgrep define include/exec/hwaddr.h
>   #define HWADDR_H
>   #define HWADDR_BITS 64
>   #define HWADDR_MAX UINT64_MAX
>   #define TARGET_FMT_plx "%016" PRIx64
>           ^^^^^^
>   #define HWADDR_PRId PRId64
>   #define HWADDR_PRIi PRIi64
>   #define HWADDR_PRIo PRIo64
>   #define HWADDR_PRIu PRIu64
>   #define HWADDR_PRIx PRIx64
>   #define HWADDR_PRIX PRIX64
> 
> Since hwaddr's size can be*different*  from target_ulong, it is
> very confusing to read one of its format using the 'TARGET_FMT_'
> prefix, normally used for the target_long / target_ulong types:
> 
> $ fgrep TARGET_FMT_ include/exec/cpu-defs.h
>   #define TARGET_FMT_lx "%08x"
>   #define TARGET_FMT_ld "%d"
>   #define TARGET_FMT_lu "%u"
>   #define TARGET_FMT_lx "%016" PRIx64
>   #define TARGET_FMT_ld "%" PRId64
>   #define TARGET_FMT_lu "%" PRIu64
> 
> Apparently this format was missed during commit a8170e5e97
> ("Rename target_phys_addr_t to hwaddr"), so complete it by
> doing a bulk-replacement to '"%016" HWADDR_PRIx' using:
> 
>   $ sed -i -E \
>         -e 's/" ?TARGET_FMT_plx ?"/%016" HWADDR_PRIx "/g' \
>         -e 's/" ?TARGET_FMT_plx/%016" HWADDR_PRIx/g' \
>         -e 's/TARGET_FMT_plx ?"/"%016" HWADDR_PRIx "/g' \
>         $(git grep -l TARGET_FMT_plx)
> 
> and removing the definition from "exec/hwaddr.h".
> 
> Suggested-by: BALATON Zoltan<balaton@eik.bme.hu>
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> ---

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~


  reply	other threads:[~2023-01-12  0:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-11  8:39 [PATCH v2 0/4] bulk: Replace TARGET_FMT_plx by HWADDR_PRIx Philippe Mathieu-Daudé
2023-01-11  8:39 ` [PATCH v2 1/4] hw: Remove hardcoded tabs (code style) Philippe Mathieu-Daudé
2023-01-11 19:48   ` Richard Henderson
2023-01-11  8:39 ` [PATCH v2 2/4] bulk: Coding style fixes Philippe Mathieu-Daudé
2023-01-11 19:48   ` Richard Henderson
2023-01-18 16:09   ` Thomas Huth
2023-01-18 17:04     ` Philippe Mathieu-Daudé
2023-01-11  8:39 ` [PATCH v2 3/4] bulk: Replace TARGET_FMT_plx -> HWADDR_PRIx Philippe Mathieu-Daudé
2023-01-11 19:50   ` Richard Henderson [this message]
2023-01-11  8:39 ` [RFC PATCH v2 4/4] bulk: Prefix '0x' to hex values displayed with HWADDR_PRIx format Philippe Mathieu-Daudé
2023-01-20  7:24 ` [PATCH v2 0/4] bulk: Replace TARGET_FMT_plx by HWADDR_PRIx Thomas Huth

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