[Buildroot] [PATCH v6 3/7] arch: toolchain: Introduce target CPU revision.

Sonic Zhang sonic.adi at gmail.com
Tue Apr 23 05:53:37 UTC 2013


Hi Thomas,

Can this patch be merge to upstream? Who is responsible for the merge?

Thanks

Sonic


On Thu, Apr 18, 2013 at 6:06 PM, Sonic Zhang <sonic.adi at gmail.com> wrote:

> From: Sonic Zhang <sonic.zhang at analog.com>
>
> Adds the possibility to have a free-form CPU revision string and append it
> to the target CPU. Only Blackfin actually uses this option.
>
> Signed-off-by: Sonic Zhang <sonic.zhang at analog.com>
> Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
>
> ---
>
> v6-changes:
> - The cpu revision test should have a $(call qstrip) to be effective.
> - Add cpu revision to toolchain/gcc/gcc-uclibc-4.x.mk as well.
>
> v3-changes:
> - Detail the help text and fix the line length.
> ---
>  arch/Config.in                           |    3 +++
>  arch/Config.in.bfin                      |    8 ++++++++
>  toolchain/gcc/gcc-uclibc-4.x.mk          |    6 +++++-
>  toolchain/toolchain-external/ext-tool.mk |    4 ++++
>  4 files changed, 20 insertions(+), 1 deletions(-)
>
> diff --git a/arch/Config.in b/arch/Config.in
> index 27a29c6..175add5 100644
> --- a/arch/Config.in
> +++ b/arch/Config.in
> @@ -174,6 +174,9 @@ config BR2_GCC_TARGET_ABI
>  config BR2_GCC_TARGET_CPU
>         string
>
> +config BR2_GCC_TARGET_CPU_REVISION
> +       string
> +
>  # Set up target binary format
>  choice
>         prompt "Target Binary Format"
> diff --git a/arch/Config.in.bfin b/arch/Config.in.bfin
> index ac96620..f755c8d 100644
> --- a/arch/Config.in.bfin
> +++ b/arch/Config.in.bfin
> @@ -97,3 +97,11 @@ config BR2_GCC_TARGET_CPU
>         default bf548           if BR2_bf548
>         default bf549           if BR2_bf549
>         default bf561           if BR2_bf561
> +
> +config BR2_GCC_TARGET_CPU_REVISION
> +       string "Target CPU revision"
> +       help
> +         Specify a target CPU revision, which will be appended to the
> +         value of the -mcpu option. For example, if the selected CPU is
> +         bf609, and then selected CPU revision is "0.0", then gcc will
> +         receive the -mcpu=bf609-0.0 option.
> diff --git a/toolchain/gcc/gcc-uclibc-4.x.mk b/toolchain/gcc/
> gcc-uclibc-4.x.mk
> index bdc38cd..7fd7bdb 100644
> --- a/toolchain/gcc/gcc-uclibc-4.x.mk
> +++ b/toolchain/gcc/gcc-uclibc-4.x.mk
> @@ -85,7 +85,11 @@ ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
>  GCC_WITH_ABI:=--with-abi=$(BR2_GCC_TARGET_ABI)
>  endif
>  ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
> -GCC_WITH_CPU:=--with-cpu=$(BR2_GCC_TARGET_CPU)
> +ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
> +GCC_WITH_CPU:=--with-cpu=$(call
> qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
> +else
> +GCC_WITH_CPU:=--with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
> +endif
>  endif
>
>  # AVR32 GCC special configuration
> diff --git a/toolchain/toolchain-external/ext-tool.mkb/toolchain/toolchain-external/
> ext-tool.mk
> index 92183a4..57ea266 100644
> --- a/toolchain/toolchain-external/ext-tool.mk
> +++ b/toolchain/toolchain-external/ext-tool.mk
> @@ -134,7 +134,11 @@ TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += \
>  endif
>
>  CC_TARGET_TUNE_:=$(call qstrip,$(BR2_GCC_TARGET_TUNE))
> +ifeq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
>  CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU))
> +else
> +CC_TARGET_CPU_:=$(call
> qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
> +endif
>  CC_TARGET_ARCH_:=$(call qstrip,$(BR2_GCC_TARGET_ARCH))
>  CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI))
>
> --
> 1.7.0.4
>
>
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