OP-TEE驱动示例

This is a reference template to start writing a Trusted Application Presentation ------------ This example has been presented at the Linaro Connect USA 2014. The slides are available [here](http://www.slideshare.net/linaroorg/lcu14103-how-to-create-and-run-trusted-applications-on-optee). Manual Build Instructions ------------------------- 1. Setup the OP-TEE software stack by following: https://github.com/OP-TEE/optee_os#5-repo-manifests 2. Clone this repository into `$HOME/devel/optee` ``` git clone https://github.com/linaro-swg/hello_world.git cd hello_world ``` 3. Define the toolchains and environment variables: ``` export TEEC_EXPORT=$PWD/../optee_client/out/export ``` If normal world user space is 64-bit:<BR> ``` export HOST_CROSS_COMPILE=$PWD/../toolchains/aarch64/bin/aarch64-linux-gnu- ``` If normal world user space is 32-bit:<BR> ``` export HOST_CROSS_COMPILE=$PWD/../toolchains/aarch32/bin/arm-linux-gnueabihf- ``` If secure world user space is 64-bit:<BR> ``` export TA_CROSS_COMPILE=$PWD/../toolchains/aarch64/bin/aarch64-linux-gnu- export TA_DEV_KIT_DIR=$PWD/../optee_os/out/arm/export-ta_arm64 ``` If secure world user space is 32-bit:<BR> ``` export TA_CROSS_COMPILE=$PWD/../toolchains/aarch32/bin/arm-linux-gnueabihf- export TA_DEV_KIT_DIR=$PWD/../optee_os/out/arm/export-ta_arm32 ``` 4. Build it! make