DemesneGH commented on issue #94:
URL:
https://github.com/apache/incubator-teaclave-trustzone-sdk/issues/94#issuecomment-1254528931
> then compile the example again and update the shared_folder
Yes, you just need to recompile the example you've modified:
```
$ make -C examples/your-example
```
Then copy the CA and TA into shared_folder:
```
$ cp
example/your-example/host/target/aarch64-unknown-linux-gnu/release/[your CA]
path/to/shared/folder
$ cp
example/your-example/ta/target/aarch64-unknown-optee-trustzone/release/[your
TA] path/to/shared/folder
```
After copying ta into `/lib/optee_armtz` you can run the new CA you built.
> If I want to create a new CA/TA, is there a good guide for that?
There is no documentation about writing a new CA/TA now. You can follow
these steps to write your Rust example:
1. Duplicate the `hello_world-rs` example and modify the code upon it.
2. Decide commands the host app sends to TA, and modify `proto/src/lib.rs`
3. In host:
- modify the app name in `host/Makefile` and `host/Cargo.toml`
- write your logic in host/src/main.rs
4. In TA:
- generate a random `uuid` and modify `uuid.txt`
- write your logic in ta/src/main.rs
5. build your example
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