Re: [isar-cip-core][PATCH 1/7] add recipe for optee qemu arm64

[Jan Kiszka <jan.kiszka@siemens.com>]

On 19.10.22 15:05, Schultschik, Sven (DI PA DCP R&D 2) wrote:
> 
> 
>> -----Ursprüngliche Nachricht-----
>> Von: Kiszka, Jan (T CED) <jan.kiszka@siemens.com>
>> Gesendet: Mittwoch, 19. Oktober 2022 12:44
>> An: Schultschik, Sven (DI PA DCP R&D 2) <sven.schultschik@siemens.com>; cip-
>> dev@lists.cip-project.org
>> Betreff: Re: [isar-cip-core][PATCH 1/7] add recipe for optee qemu arm64
>>
>>> +    gcc-arm-linux-gnueabihf,"
>>> +
>>> +OPTEE_EXTRA_BUILDARGS =
>> "CFG_STMM_PATH=/usr/lib/edk2/BL32_AP_MM.fd CFG_RPMB_FS=y \
>>> +        CFG_RPMB_FS_DEV_ID=0 CFG_CORE_HEAP_SIZE=524288
>> CFG_RPMB_WRITE_KEY=1 \
>>> +        CFG_CORE_DYN_SHM=y CFG_RPMB_TESTKEY=y \
>>> +        CFG_REE_FS=n\
>>> +        CFG_TEE_CORE_LOG_LEVEL=1 CFG_TEE_TA_LOG_LEVEL=1
>> CFG_SCTLR_ALIGNMENT_CHECK=n \
>>> +        CFG_ARM64_core=y CFG_CORE_ARM64_PA_BITS=48"
>>> +
>>> +ISAR_CROSS_COMPILE = "0"
>>
>> This looks wrong, specifically as you are installing a 32-bit cross-compiler and
>> calling a 64-bit one as well below.
> 
> Optee has it's own weired way to cross compile. If you configure optee for arm64 and activate ISAR cross compile it breaks.

That is at least not generally true:
https://github.com/siemens/meta-iot2050/blob/master/recipes-bsp/optee-os/optee-os-iot2050_3.18.0.bb

> 
> Just come in my mind. I could delete the exports completly and set isar cross compile to true. So deactivate the
> Cross compile of optee and use the isar one. I will test if this will work.
> 

Will be curious to see the result.

Jan

-- 
Siemens AG, Technology
Competence Center Embedded Linux