From: daniel.thompson@linaro.org (Daniel Thompson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH soc] ARM: use ARM_SINGLE_ARMV7M for ARMv7-M platforms
Date: Fri, 22 May 2015 16:56:04 +0100 [thread overview]
Message-ID: <555F5194.4040309@linaro.org> (raw)
In-Reply-To: <CALszF6D-3pXHtyVMwhO0JkT-dCSSB98UNDHNN7-LD04Wdgd2cA@mail.gmail.com>
On 22/05/15 16:29, Maxime Coquelin wrote:
> 2015-05-22 16:50 GMT+02:00 Arnd Bergmann <arnd@arndb.de>:
>> [one small request as I have four armv7-m folks on Cc already:
>> could one of you try to fix the warning that I get with every
>> single build: "/git/arm-soc/arch/arm/kernel/head-nommu.S: Assembler
>> messages: /git/arm-soc/arch/arm/kernel/head-nommu.S:167: Warning:
>> Use of r13 as a source register is deprecated when r15 is the
>> destination register."]
>
> Moving r13 to r12 and returning r12 seems to do the job (see below).
> But I don't know if there is a more elegant way, and if it is also
> valid for other architectures than armv7-m.
Why not just s/r13/r11/?
(works for me but I'm only working on single core system)
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Thompson <daniel.thompson@linaro.org>
To: Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Arnd Bergmann <arnd@arndb.de>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"Stefan Agner" <stefan@agner.ch>,
"Russell King" <linux@arm.linux.org.uk>,
manabian@gmail.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
olof@lixom.net
Subject: Re: [PATCH soc] ARM: use ARM_SINGLE_ARMV7M for ARMv7-M platforms
Date: Fri, 22 May 2015 16:56:04 +0100 [thread overview]
Message-ID: <555F5194.4040309@linaro.org> (raw)
In-Reply-To: <CALszF6D-3pXHtyVMwhO0JkT-dCSSB98UNDHNN7-LD04Wdgd2cA@mail.gmail.com>
On 22/05/15 16:29, Maxime Coquelin wrote:
> 2015-05-22 16:50 GMT+02:00 Arnd Bergmann <arnd@arndb.de>:
>> [one small request as I have four armv7-m folks on Cc already:
>> could one of you try to fix the warning that I get with every
>> single build: "/git/arm-soc/arch/arm/kernel/head-nommu.S: Assembler
>> messages: /git/arm-soc/arch/arm/kernel/head-nommu.S:167: Warning:
>> Use of r13 as a source register is deprecated when r15 is the
>> destination register."]
>
> Moving r13 to r12 and returning r12 seems to do the job (see below).
> But I don't know if there is a more elegant way, and if it is also
> valid for other architectures than armv7-m.
Why not just s/r13/r11/?
(works for me but I'm only working on single core system)
next prev parent reply other threads:[~2015-05-22 15:56 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 22:35 [PATCH soc] ARM: use ARM_SINGLE_ARMV7M for ARMv7-M platforms Stefan Agner
2015-05-20 22:35 ` Stefan Agner
2015-05-21 6:43 ` Uwe Kleine-König
2015-05-21 6:43 ` Uwe Kleine-König
2015-05-21 17:00 ` Joachim Eastwood
2015-05-21 17:00 ` Joachim Eastwood
2015-05-21 19:04 ` Uwe Kleine-König
2015-05-21 19:04 ` Uwe Kleine-König
2015-05-22 7:27 ` Stefan Agner
2015-05-22 7:27 ` Stefan Agner
2015-05-22 9:37 ` Arnd Bergmann
2015-05-22 9:37 ` Arnd Bergmann
2015-05-22 7:53 ` Arnd Bergmann
2015-05-22 7:53 ` Arnd Bergmann
2015-05-22 8:54 ` Stefan Agner
2015-05-22 8:54 ` Stefan Agner
2015-05-22 9:39 ` Arnd Bergmann
2015-05-22 9:39 ` Arnd Bergmann
2015-05-22 13:06 ` Maxime Coquelin
2015-05-22 13:06 ` Maxime Coquelin
2015-05-22 14:50 ` Arnd Bergmann
2015-05-22 14:50 ` Arnd Bergmann
2015-05-22 15:29 ` Maxime Coquelin
2015-05-22 15:29 ` Maxime Coquelin
2015-05-22 15:36 ` Stefan Agner
2015-05-22 15:36 ` Stefan Agner
2015-05-22 15:56 ` Daniel Thompson [this message]
2015-05-22 15:56 ` Daniel Thompson
2015-05-22 16:28 ` Stefan Agner
2015-05-22 16:28 ` Stefan Agner
2015-05-22 18:06 ` Russell King - ARM Linux
2015-05-22 18:06 ` Russell King - ARM Linux
2015-05-22 19:34 ` Stefan Agner
2015-05-22 19:34 ` Stefan Agner
2015-05-22 17:56 ` Russell King - ARM Linux
2015-05-22 17:56 ` Russell King - ARM Linux
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