[Buildroot] [PATCH 2/4] package/arm-gnu-a-toolchain: new package

Jagan Teki jagan at amarulasolutions.com
Thu Feb 13 08:10:43 UTC 2020


On Thu, Feb 13, 2020 at 1:04 PM Sergey Matyukevich <geomatsi at gmail.com> wrote:
>
> > arm trusted firmware requires a bare metal toolchain for its build.
> > Add pre-built cross-compilation ARM-A bare metal toolchain for Arm Cortex-A
> > family processors to avoid the following build error.
> >
> > make[3]: arm-none-eabi-gcc: Command not found
> >
> > pre-built bate metal ARM GNU-A toolchain installs into the host file system folder
> > /opt/gcc-arm-none-eabi.
> >
> > https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-arm-none-eabi.tar.xz
> >
> > Signed-off-by: Suniel Mahesh <sunil at amarulasolutions.com>
> >
>
> Hi,
>
> Could you please clarify why a separate toolchain is required to build
> ATF for this platform ? Is there any specific requirements other than
> this particular build error ?

Rockchip rk3399 has cortex-m0 and these changes are build during ATF.
and then environment should have arm32 cross toolchain to make it
build successfully.

I think, Sunil need to write something more on this requirement on
commit message.

Jagan.


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