Re: Barebox as first and second stage bootloader

[gianluca <gianlucarenzi@eurek.it>]

On 02/27/2020 12:51 PM, Ahmad Fatoum wrote:
> Hello,
>
> please keep the barebox mailing list in CC.
>
> On 2/27/20 12:44 PM, gianluca wrote:
>>> ST's TF-A fork does. Upstream TF-A doesn't. The Programmer software uses vendor TF-A.
>>>
>>
>> I've found the forked ST's TF-A repo:
>>
>> https://github.com/STMicroelectronics/arm-trusted-firmware
>>
>> is it right?
>
> Yes. I have only tried upstream TF-A though.
>
>> I tried to compile for STM32MP1 but it gives me a lot of issues regarding the compiler toolchain.
>>
>> I have used:
>>
>>> Using built-in specs.
>>> COLLECT_GCC=arm-none-eabi-gcc
>>> COLLECT_LTO_WRAPPER=/home/gianluca/gcc-arm-none-eabi-7-2018-q2-update/bin/../lib/gcc/arm-none-eabi/7.3.1/lto-wrapper
>>> Target: arm-none-eabi
>>> Configured with: /tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/src/gcc/configure --target=arm-none-eabi --prefix=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native --libexecdir=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/lib --infodir=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/share/doc/gcc-arm-none-eabi/info --mandir=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/share/doc/gcc-arm-none-eabi/man --htmldir=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/share/doc/gcc-arm-none-eabi/html --pdfdir=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/share/doc/gcc-arm-none-eabi/pdf --enable-languages=c,c++ --enable-plugins --disable-decimal-float --disable-libffi --disable-libgomp --disable-libmudflap
>>> --disable-libquadmath --disable-libssp --disable-libstdcxx-pch --disable-nls --disable-shared --disable-threads --disable-tls --with-gnu-as --with-gnu-ld --with-newlib --with-headers=yes --with-python-dir=share/gcc-arm-none-eabi --with-sysroot=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/install-native/arm-none-eabi --build=x86_64-linux-gnu --host=x86_64-linux-gnu --with-gmp=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/build-native/host-libs/usr --with-mpfr=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/build-native/host-libs/usr --with-mpc=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/build-native/host-libs/usr --with-isl=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/build-native/host-libs/usr --with-libelf=/tmp/jenkins/jenkins-GCC-7-build_toolchain_docker-775_20180622_1529687456/build-native/host-libs/usr
>>> --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --with-pkgversion='GNU Tools for Arm Embedded Processors 7-2018-q2-update' --with-multilib-list=rmprofile
>>> Thread model: single
>>> gcc version 7.3.1 20180622 (release) [ARM/embedded-7-branch revision 261907] (GNU Tools for Arm Embedded Processors 7-2018-q2-update)
>>
>> but when trying compiling it gives me this error:
>>
>>> STM32MP_EMMC=1 CROSS_COMPILE=arm-none-eabi- make PLAT=stm32mp1
>>>   CC      lib/libfdt/fdt.c
>>> arm-none-eabi-gcc: error: unrecognized command line option '-mgeneral-regs-only'
>>> arm-none-eabi-gcc: error: unrecognized command line option '-mstrict-align'; did you mean '-Wstrict-aliasing'?
>>> lib/libfdt/libfdt.mk:19: recipe for target 'build/stm32mp1/release/libfdt/fdt.o' failed
>>> make: *** [build/stm32mp1/release/libfdt/fdt.o] Error 1
>>
>> What compiler are you using to compile TF-A???
>
> OSELAS.Toolchain-2019.09.1
>
> But I think you are calling it with the wrong parameters, you need:
>
> make ARCH=aarch32 ARM_ARCH_MAJOR=7 AARCH32_SP=sp_min DEBUG=1 STM32MP_EMMC=1 \
>         DTB_FILE_NAME=stm32mp157c-dk2.dtb \
>         CROSS_COMPILE=${CROSS_COMPILE} \
>         PLAT=stm32mp
>

PLAT=stm32mp1

;-)

Now it compiles with the gcc version 7.3.1 20180622 (release) 
[ARM/embedded-7-branch revision 261907] (GNU Tools for Arm Embedded 
Processors 7-2018-q2-update).
Built build/stm32mp1/debug/tf-a-stm32mp157c-dk2.bin successfully


Generated build/stm32mp1/debug/tf-a-stm32mp157c-dk2.stm32
tools/stm32image/stm32image -s 
./build/stm32mp1/debug/tf-a-stm32mp157c-dk2.bin -d 
build/stm32mp1/debug/tf-a-stm32mp157c-dk2.stm32 -l 0x000000002ffc2500 -e 
0x000000002ffd8000 -v 0
Image Type   : ST Microelectronics STM32 V1.0
Image Size   : 245128 bytes
Image Load   : 0x2ffc2500
Entry Point  : 0x2ffd8000
Checksum     : 0x00ebe57e
Option     : 0x00000001
Version	   : 0x00000000


> It's described in the TF-A platform documentation.

Frankly, the documentation in the github repo is quite messy. Anyway 
thanks for your support.

> You can also check out the ptxdist rule for building it:
> https://www.mail-archive.com/ptxdist@pengutronix.de/msg15787.html
>

I will do ASAP. Thank you again.

Gianluca
-- 
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