[OE-core] [PATCH] tune-cortexa5.inc: add tune file for cortex-a5, based on a7
Mark Hatle
mark.hatle at windriver.com
Mon Jun 3 22:09:59 UTC 2013
On 6/3/13 4:51 PM, Otavio Salvador wrote:
>
>
>
> On Mon, Jun 3, 2013 at 6:18 PM, Marcin Juszkiewicz <marcin at juszkiewicz.com.pl
> <mailto:marcin at juszkiewicz.com.pl>> wrote:
>
> W dniu 03.06.2013 18:40, Andy Voltz pisze:
> > Signed-off-by: Andy Voltz <andy.voltz at timesys.com
> <mailto:andy.voltz at timesys.com>>
> > ---
> > meta/conf/machine/include/tune-cortexa5.inc | 36
> +++++++++++++++++++++++++++
>
> I think that it is time to create simple tune-cortex.inc which would be
> used by cores tunes to set all of it.
>
> So tune-cortexa5.inc would be:
>
> ----
> CORTEX_ID = "a5"
> CORTEX_NAME = "A5"
>
> require conf/machine/include/arm/tune-cortex.inc
> ----
>
> and tune-cortex.inc will have things like:
>
> ----
> DEFAULTTUNE ?= "armv7a-neon"
>
> require conf/machine/include/arm/arch-armv7a.inc
>
> TUNEVALID[cortex${CORTEX_ID}] = "Enable Cortex-${CORTEX_NAME} specific
> processor optimizations"
> TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES",
> "cortex${CORTEX_ID}", " -mtune=cortex-${CORTEX_ID}", "", d)}"
>
> # Little Endian base configs
> AVAILTUNES += "cortex${CORTEX_ID} cortex${CORTEX_ID}t
> cortex${CORTEX_ID}-neon cortex${CORTEX_ID}t-neon"
> ARMPKGARCH_tune-cortex${CORTEX_ID} = "cortex${CORTEX_ID}"
> ARMPKGARCH_tune-cortex${CORTEX_ID}t = "cortex${CORTEX_ID}"
> ARMPKGARCH_tune-cortex${CORTEX_ID}-neon = "cortex${CORTEX_ID}"
> ARMPKGARCH_tune-cortex${CORTEX_ID}t-neon = "cortex${CORTEX_ID}"
> TUNE_FEATURES_tune-cortex${CORTEX_ID} = "${TUNE_FEATURES_tune-armv7a}
> cortex${CORTEX_ID}"
> TUNE_FEATURES_tune-cortex${CORTEX_ID}t = "${TUNE_FEATURES_tune-armv7at}
> cortex${CORTEX_ID}"
> TUNE_FEATURES_tune-cortex${CORTEX_ID}-neon =
> "${TUNE_FEATURES_tune-armv7a-neon} cortex${CORTEX_ID}"
> TUNE_FEATURES_tune-cortex${CORTEX_ID}t-neon =
> "${TUNE_FEATURES_tune-armv7at-neon} cortex${CORTEX_ID}"
> PACKAGE_EXTRA_ARCHS_tune-cortex${CORTEX_ID} =
> "${PACKAGE_EXTRA_ARCHS_tune-armv7a} cortex${CORTEX_ID}-vfp"
> PACKAGE_EXTRA_ARCHS_tune-cortex${CORTEX_ID}t =
> "${PACKAGE_EXTRA_ARCHS_tune-armv7at} cortex${CORTEX_ID}-vfp
> cortex${CORTEX_ID}t2-vfp"
> PACKAGE_EXTRA_ARCHS_tune-cortex${CORTEX_ID}-neon =
> "${PACKAGE_EXTRA_ARCHS_tune-armv7a-neon} cortex${CORTEX_ID}-vfp
> cortex${CORTEX_ID}-vfp-neon"
> PACKAGE_EXTRA_ARCHS_tune-cortex${CORTEX_ID}t-neon =
> "${PACKAGE_EXTRA_ARCHS_tune-armv7at-neon} cortex${CORTEX_ID}-vfp
> cortex${CORTEX_ID}-vfp-neon cortex${CORTEX_ID}t2-vfp
> cortex${CORTEX_ID}t2-vfp-neon"
>
> [..]
> -----
>
> What do you think?
>
>
> I fully agree :-)
Works for me. Just be sure to document the new variables in the arm/README file.
--Mark
> --
> Otavio Salvador O.S. Systems
> http://www.ossystems.com.br http://projetos.ossystems.com.br
> Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750
>
>
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