Who can help me!make -f qemu.mk all and get a error :ccache: error: Exec format error about build

[jenswi-linaro]

If you use something more recent, preferably the latest release you'll have toolchains available for AArch64 hosts.

[jforissier]

If you use something more recent, preferably the latest release you'll have toolchains available for AArch64 hosts.

my optee versioin now is 3.8.0，So I should download the latest version of OPTEE to solve this problem, right?

Yes, it would be the easiest option. You can find instructions at https://optee.readthedocs.io/en/latest/building/devices/qemu.html#id3 (64-bit OP-TEE for Armv8) and https://optee.readthedocs.io/en/latest/building/devices/qemu.html#build-instructions (32-bit-bit OP-TEE for Armv7).

Should I use QEMU to simulate Intel architecture to run code

No.

[oldoldcoder]

If you use something more recent, preferably the latest release you'll have toolchains available for AArch64 hosts.

my optee versioin now is 3.8.0，So I should download the latest version of OPTEE to solve this problem, right? I followed the instructions in a book step by step, so I didn't know what to do after the failure here. Thank you for your reply. I currently understand that if I modify my cross toolchain to use arm64, I may need to replace the makefile content, such as qemu.mk

[oldoldcoder]

If you use something more recent, preferably the latest release you'll have toolchains available for AArch64 hosts.

Should I use QEMU to simulate Intel architecture to run code

[oldoldcoder]

If you use something more recent, preferably the latest release you'll have toolchains available for AArch64 hosts.

my optee versioin now is 3.8.0，So I should download the latest version of OPTEE to solve this problem, right?

Yes, it would be the easiest option. You can find instructions at https://optee.readthedocs.io/en/latest/building/devices/qemu.html#id3 (64-bit OP-TEE for Armv8) and https://optee.readthedocs.io/en/latest/building/devices/qemu.html#build-instructions (32-bit-bit OP-TEE for Armv7).

Should I use QEMU to simulate Intel architecture to run code

No.

Thank you very much for your reply, it is very helpful for a beginner, wish you a happy life, I will try to use qemu_v8.xml next to get the code to run again