1 // Licensed to the Apache Software Foundation (ASF) under one
2 // or more contributor license agreements. See the NOTICE file
3 // distributed with this work for additional information
4 // regarding copyright ownership. The ASF licenses this file
5 // to you under the Apache License, Version 2.0 (the
6 // "License"); you may not use this file except in compliance
7 // with the License. You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing,
12 // software distributed under the License is distributed on an
13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 // KIND, either express or implied. See the License for the
15 // specific language governing permissions and limitations
16 // under the License.
17
18 use optee_teec::{Context, Operation, ParamType, Session, Uuid};
19 use optee_teec::{ParamNone, ParamValue};
20 use proto::{UUID, Command};
21
hello_world(session: &mut Session) -> optee_teec::Result<()>22 fn hello_world(session: &mut Session) -> optee_teec::Result<()> {
23 let p0 = ParamValue::new(29, 0, ParamType::ValueInout);
24 let mut operation = Operation::new(0, p0, ParamNone, ParamNone, ParamNone);
25
26 println!("original value is {:?}", operation.parameters().0.a());
27
28 session.invoke_command(Command::IncValue as u32, &mut operation)?;
29 println!("inc value is {:?}", operation.parameters().0.a());
30
31 session.invoke_command(Command::DecValue as u32, &mut operation)?;
32 println!("dec value is {:?}", operation.parameters().0.a());
33 Ok(())
34 }
35
main() -> optee_teec::Result<()>36 fn main() -> optee_teec::Result<()> {
37 let mut ctx = Context::new()?;
38 let uuid = Uuid::parse_str(UUID).unwrap();
39 let mut session = ctx.open_session(uuid)?;
40
41 hello_world(&mut session)?;
42
43 println!("Success");
44 Ok(())
45 }
46