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Victor edited this page Mar 16, 2016 · 39 revisions

HiKey - OP-TEE

How to integrate OP-TEE into your HiKey Linux image

NOTE
As of 24-Nov-2015, OP-TEE has been integrated into 96boards HiKey releases and snapshots images so if you're using builds that are of above date or newer, there is no longer a need to use these instructions with the exception of building fip.bin and the test suite, i.e. you only need to perform steps 1, 4, 6, 7a, 7b, 7c, 7e, 8 and 9!

Build instructions

Prerequisites:

  • GCC 4.9 - cross-toolchain for Aarch64 available in your PATH. Linaro GCC 4.9-2015.05 is used in the build instructions.
  • GCC cross-toolchain for gnueabihf available in your PATH. Linaro GCC 4.9-2015.05 is used in the build instructions.

Contents

  1. [Install custom toolchain(s)] (#toolchain)
  2. [Build the kernel] (#build-kernel)
  3. [Build the OP-TEE Linux kernel driver] (#optee-driver)
  4. [Build UEFI for HiKey] (#uefi-hikey)
  5. [Build the OP-TEE client] (#optee-client)
  6. [Build the OP-TEE test suite] (#optee-test)
  7. [Copy built files to the file system] (#rootfs)
  8. [Flash binaries to eMMC] (#flash)
  9. [Running and Testing] (#runtest)

1. Install custom toolchain(s) 

mkdir arm-tc arm64-tc
tar --strip-components=1 -C ${PWD}/arm-tc -xf gcc-linaro-arm-linux-gnueabihf-4.9-*_linux.tar.xz
tar --strip-components=1 -C ${PWD}/arm64-tc -xf gcc-linaro-aarch64-linux-gnu-4.9-*_linux.tar.xz
export PATH="${PWD}/arm-tc/bin:${PWD}/arm64-tc/bin:$PATH"

2. Build the kernel 

git clone -b hikey --depth 1 https://github.com/96boards-hikey/linux.git

export LINUX_DIR=${PWD}/linux
export LOCALVERSION="-linaro-hikey"

cd ${LINUX_DIR}
make distclean 
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig 
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j8 Image modules hi6220-hikey.dtb
cd ..

3. Build the OP-TEE Linux kernel driver

NOTE: Make sure you complete the previous section, i.e. build the kernel, first!

git clone https://github.com/OP-TEE/optee_linuxdriver.git

export OPTEE_LINUXDRIVER_DIR=${PWD}/optee_linuxdriver

cd ${LINUX_DIR}
export LOCALVERSION="-linaro-hikey"
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- M=${OPTEE_LINUXDRIVER_DIR} clean modules
cd ..

The following files are now built:

  • optee_linuxdriver/core/optee.ko
  • optee_linuxdriver/armtz/optee_armtz.ko

4. Build UEFI for HiKey 

git clone -b hikey --depth 1 https://github.com/96boards/edk2.git linaro-edk2
git clone -b hikey_gendrv --depth 1 https://github.com/linaro-swg/arm-trusted-firmware.git
git clone -b hikey --depth 1 https://github.com/96boards/LinaroPkg.git
git clone git://git.linaro.org/uefi/uefi-tools.git
git clone --depth 1 https://github.com/OP-TEE/optee_os.git

export AARCH64_TOOLCHAIN=GCC49
export EDK2_DIR=${PWD}/linaro-edk2
export UEFI_TOOLS_DIR=${PWD}/uefi-tools
export OPTEE_OS_DIR=${PWD}/optee_os

cd ${EDK2_DIR}
${UEFI_TOOLS_DIR}/uefi-build.sh -c ../LinaroPkg/platforms.config -b RELEASE -a ../arm-trusted-firmware -s ../optee_os hikey
cd ..

The following file is now built:

  • arm-trusted-firmware/build/hikey/release/fip.bin

Note: In case the build fails with mk/config.mk:95 *** Could not partse TEE_IMPL_VERSION (8a933cc), expected format: <major>.<minor>[anything else}. Stop., please export TEE_IMPL_VERSION with a valid version string (e.g. export TEE_IMPL_VERSION=1.1.0), and then retry the build.

5. Build the OP-TEE client 

git clone https://github.com/OP-TEE/optee_client.git

export OPTEE_CLIENT_DIR=${PWD}/optee_client

cd ${OPTEE_CLIENT_DIR}
make CROSS_COMPILE=aarch64-linux-gnu- clean all
cd ..

The following files are now built:

  • optee_client/out/export/bin/tee-supplicant
  • optee_client/out/export/lib/libteec.so.1.0

6. Build the OP-TEE test suite

NOTE: Make sure you complete the Build UEFI for HiKey section first!

git clone https://github.com/OP-TEE/optee_test.git

export OPTEE_TEST_DIR=${PWD}/optee_test

cd ${OPTEE_TEST_DIR}
  • CROSS_COMPILE_HOST: the cross compiler used to compile the Non-Secure Client Application (host/xtest)
  • CROSS_COMPILE_TA: the cross compiler used to compile the Trusted Applications (ta)

32-bit Secure Userland build and 64-bit Non-secure Userland (default):

make CROSS_COMPILE_HOST=aarch64-linux-gnu- CROSS_COMPILE_TA=arm-linux-gnueabihf- TA_DEV_KIT_DIR=${OPTEE_OS_DIR}/out/arm-plat-hikey/export-ta_arm32 CFG_DEV_PATH=${PWD}/.. O=${OPTEE_TEST_DIR}/out clean all
cd ..

64-bit Secure Userland build and 64-bit Non-secure Userland:

make CROSS_COMPILE_HOST=aarch64-linux-gnu- CROSS_COMPILE_TA=aarch64-linux-gnu- TA_DEV_KIT_DIR=${OPTEE_OS_DIR}/out/arm-plat-hikey/export-ta_arm64 CFG_DEV_PATH=${PWD}/.. O=${OPTEE_TEST_DIR}/out clean all
cd ..

The following files are now built:

  • optee_test/out/xtest/xtest
  • optee_test/out/ta/create_fail_test/c3f6e2c0-3548-11e1-b86c0800200c9a66.ta
  • optee_test/out/ta/crypt/cb3e5ba0-adf1-11e0-998b0002a5d5c51b.ta
  • optee_test/out/ta/storage/b689f2a7-8adf-477a-9f9932e90c0ad0a2.ta
  • optee_test/out/ta/concurrent/e13010e0-2ae1-11e5-896a0002a5d5c51b.ta
  • optee_test/out/ta/os_test/5b9e0e40-2636-11e1-ad9e0002a5d5c51b.ta
  • optee_test/out/ta/rpc_test/d17f73a0-36ef-11e1-984a0002a5d5c51b.ta
  • optee_test/out/ta/sims/e6a33ed4-562b-463a-bb7eff5e15a493c8.ta
  • optee_test/out/ta/storage_benchmark/f157cda0-550c-11e5-a6fa0002a5d5c51b.ta

7. Copy built files to the file system

NOTE: Make sure you complete building the OP-TEE driver, client and test suite first!

a) First download the latest Debian based build published here. You can pick either the developer or alip eMMC rootfs:

  • hikey-jessie_[developer|alip]_YYYYMMDD-XXX.emmc.img.gz

For example:

wget https://builds.96boards.org/snapshots/hikey/linaro/debian/410/hikey-jessie_developer_20160225-410.emmc.img.gz
gunzip *.img.gz

To include the files compiled above in the downloaded jessie image you would:

b) install simg2img and make_ext4fs both from Linaro's modified package 'android-tools-fsutils'

wget http://repo.linaro.org/ubuntu/linaro-overlay/pool/main/a/android-tools/\
> android-tools-fsutils_4.2.2+git20130218-3ubuntu41+linaro1_amd64.deb
sudo dpkg -i --force-all android-tools-fsutils_*.deb

c) then do the following

simg2img hikey-jessie_developer_20150929-354.emmc.img raw.img
mkdir mnt
sudo mount raw.img mnt
cd mnt

d) next do the following

sudo cp ${OPTEE_LINUXDRIVER_DIR}/core/optee.ko lib/modules/3.18.0-linaro-hikey/extra/core/
sudo cp ${OPTEE_LINUXDRIVER_DIR}/armtz/optee_armtz.ko lib/modules/3.18.0-linaro-hikey/extra/armtz/

sudo cp ${OPTEE_CLIENT_DIR}/out/export/bin/tee-supplicant usr/bin/
sudo cp ${OPTEE_CLIENT_DIR}/out/export/lib/libteec.so.1.0 usr/lib/aarch64-linux-gnu/
sudo ln -sf libteec.so.1.0 usr/lib/aarch64-linux-gnu/libteec.so.1
sudo ln -sf libteec.so.1 usr/lib/aarch64-linux-gnu/libteec.so

e) finally do the following

sudo cp ${OPTEE_TEST_DIR}/out/xtest/xtest usr/bin/
sudo mkdir usr/lib/optee_armtz
sudo cp $(find ${OPTEE_TEST_DIR} -name *.ta) usr/lib/optee_armtz/

sudo mkdir -p /data/tee

cd ..
sudo make_ext4fs -o -L rootfs -l 1500M -s jessie.updated.img mnt/
sudo umount mnt/

8. Flash binaries to eMMC

In addition to the fip.bin and jessie.updated.img built above, you also need:

wget https://builds.96boards.org/snapshots/hikey/linaro/uefi/latest/l-loader.bin
wget https://builds.96boards.org/snapshots/hikey/linaro/uefi/latest/ptable-linux-4g.img
wget https://builds.96boards.org/snapshots/hikey/linaro/uefi/latest/nvme.img
wget https://builds.96boards.org/snapshots/hikey/linaro/debian/latest/boot-fat.uefi.img.gz
gunzip *.img.gz

The flashing process requires to be in recovery mode if user wants to update l-loader.bin.

  • turn off HiKey board
  • connect debug UART on HiKey to PC (used to monitor debug status)
  • make sure pin1-pin2 and pin3-pin4 on J15 are linked (recovery mode)
  • connect HiKey Micro-USB to PC with USB cable
  • turn on HiKey board
  • on serial console, you should see some debug message (NULL packet)
  • run HiKey recovery tool to flash l-loader.bin (Note: if the serial port recorded in hisi-idt.py isn't available, adjust the command line below by manually setting the serial port with "-d /dev/ttyUSBx" where x is usually the last serial port reported by "dmesg" command)
$ sudo python hisi-idt.py --img1=l-loader.bin

do not reboot yet

  • run fastboot commands to flash the images (order must be respected)
$ sudo fastboot flash ptable ptable-linux-4g.img
$ sudo fastboot flash fastboot fip.bin
$ sudo fastboot flash nvme nvme.img
$ sudo fastboot flash boot boot-fat.uefi.img
$ sudo fastboot flash system jessie.updated.img
  • turn off HiKey board
  • remove the jumper of pin3-pin4 on J15
  • turn on HiKey board

NOTE: UEFI may report "Fail to start BootNext" if you have an SD card installed. Remove SD card and reboot to try again.

9. Running and Testing

On the HiKey board serial console:

depmod
modprobe optee_armtz
tee-supplicant&
xtest
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