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+---
+permalink: /trustzone-sdk-docs
+---
+
+# Teaclave TrustZone SDK Documentation
+
+* [Getting Started with OPTEE for QEMU ARMv8](/trustzone-sdk-docs/getting-started-with-optee-for-qemu-armv8)
diff --git a/docs/getting-started-with-optee-for-qemu-armv8.md b/docs/getting-started-with-optee-for-qemu-armv8.md
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+---
+permalink: /trustzone-sdk-docs/getting-started-with-optee-for-qemu-armv8
+---
+
+# Getting Started with OP-TEE for QEMU ARMv8
+
+This tutorial summarizes the necessary steps of preparing an OP-TEE enabled
+QEMU environment and executing the compiled programs of our SDK. You may also
+check [OP-TEE documentation](https://optee.readthedocs.io/en/latest/building/devices/qemu.html#qemu-v8)
+to find more information about setting up the QEMU or introduction of OP-TEE
+project.
+
+To run examples on the QEMU ARMv8 emulator, we need first build OP-TEE for QEMU
+ARMv8. You can install dependencies with this
+[instruction](https://optee.readthedocs.io/en/latest/building/prerequisites.html)
+or use our [Dockerfile](https://github.com/mesalock-linux/rust-optee-trustzone-sdk/blob/master/Dockerfile).
+
+Download OP-TEE for QEMU ARMv8 source code.
+
+```sh
+$ mkdir -p ~/bin
+$ curl https://storage.googleapis.com/git-repo-downloads/repo-1 > ~/bin/repo && chmod a+x ~/bin/repo
+$ export PATH=~/bin:$PATH
+$ mkdir optee-qemuv8-3.8.0 && cd optee-qemuv8-3.8.0 && \
+  repo init -u https://github.com/OP-TEE/manifest.git -m qemu_v8.xml -b 3.8.0 && \
+  repo sync -j4 --no-clone-bundle
+```
+
+Build OP-TEE for QEMU ARMv8 and images.
+
+```sh
+$ cd build
+$ make -j2 toolchains && \
+  make QEMU_VIRTFS_ENABLE=y CFG_TEE_RAM_VA_SIZE=0x00300000
+```
+
+Create a shared folder to share example host apps and TAs with QEMU guest system.
+
+Note: the path `/project/root/dir/` should be replaced as the root directory of your local project "rust-optee-trustzone-sdk".
+```sh
+$ mkdir shared_folder
+$ (cd /project/root/dir/ && make examples-install)
+$ cp -r /project/root/dir/out/* shared_folder/
+```
+
+Run QEMU.
+
+```sh
+$ make run-only QEMU_VIRTFS_ENABLE=y QEMU_VIRTFS_HOST_DIR=$(pwd)/shared_folder
+```
+
+After the QEMU has been booted, you need to mount the shared folder in QEMU guest system (username: root), in order to access the compiled CA/TA from QEMU.
+
+```sh
+$ mkdir shared && mount -t 9p -o trans=virtio host shared
+```
+
+Also, the passed-in TA should be copied to the corresponding directory for the secure-world to execute.
+
+```sh
+$ cd shared && cp ta/*.ta /lib/optee_armtz/
+```
+
+Execute host apps.
+
+```sh
+$ cd host
+$ ./hello_world
+original value is 29
+inc value is 129
+dec value is 29
+Success
+```
+
+Note that if you are under a environment without GUI, you please comment out the following code in `qemu_v8.mk` and use `nc` instead.
+
+```
+diff --git a/qemu_v8.mk b/qemu_v8.mk
+index 8271590..1c4a91b 100644
+--- a/qemu_v8.mk
++++ b/qemu_v8.mk
+@@ -163,9 +163,9 @@ run-only:
+        ln -sf $(ROOT)/out-br/images/rootfs.cpio.gz $(BINARIES_PATH)/
+        $(call check-terminal)
+        $(call run-help)
+-       $(call launch-terminal,54320,"Normal World")
+-       $(call launch-terminal,54321,"Secure World")
+-       $(call wait-for-ports,54320,54321)
++       # $(call launch-terminal,54320,"Normal World")
++       # $(call launch-terminal,54321,"Secure World")
++       # $(call wait-for-ports,54320,54321)
+        cd $(BINARIES_PATH) && $(QEMU_PATH)/aarch64-softmmu/qemu-system-aarch64 \
+                -nographic \
+                -serial tcp:localhost:54320 -serial tcp:localhost:54321 \
+```
+
+Before start QEMU, run two `nc` to listen port `54320` and `54321`.
+
+```
+$ nc -l 127.0.0.1 -p 54320
+$ nc -l 127.0.0.1 -p 54321
+```
+
+Then open QEMU by `make run-only`, and start by input `c`.