Superseded

This project has been superseded by https://github.com/linaro-swg/hello_world

Presentation

This example has been presented at the Linaro Connect USA 2014. The slides are available here.

Build Instructions

1. Create your OP-TEE workspace

   mkdir -p <optee-workspace>
   cd <optee-workspace>

2. Setup the OP-TEE software stack in your newly created <optee-workspace> by following: https://github.com/OP-TEE/optee_os#5-repo-manifests

3. Clone this repository into <optee-workspace>

   git clone https://github.com/jenswi-linaro/lcu14_optee_hello_world.git optee_hello_world
   cd optee_hello_world

4. Define the toolchains and environment variables:

   If normal world user space is 64-bit:
   export HOST_CROSS_COMPILE=$PWD/../toolchains/aarch64/bin/aarch64-linux-gnu-

   If normal world user space is 32-bit:
   export HOST_CROSS_COMPILE=$PWD/../toolchains/aarch32/bin/arm-linux-gnueabihf-

   export TA_CROSS_COMPILE=$PWD/../toolchains/aarch32/bin/arm-linux-gnueabihf-
   export TEEC_EXPORT=$PWD/../optee_client/out/export
   export TA_DEV_KIT_DIR=$PWD/../optee_os/out/arm/export-ta_arm32

5. Build it!

   make