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 #![no_std]
19 #![no_main]
20 #![feature(c_size_t)]
21
22 use optee_utee::{
23 ta_close_session, ta_create, ta_destroy, ta_invoke_command, ta_open_session, trace_println,
24 };
25 use optee_utee::{Error, ErrorKind, Parameters, Result};
26 use proto::Command;
27
28 #[ta_create]
create() -> Result<()>29 fn create() -> Result<()> {
30 trace_println!("[+] TA create");
31 Ok(())
32 }
33
34 #[ta_open_session]
open_session(_params: &mut Parameters) -> Result<()>35 fn open_session(_params: &mut Parameters) -> Result<()> {
36 trace_println!("[+] TA open session");
37 Ok(())
38 }
39
40 #[ta_close_session]
close_session()41 fn close_session() {
42 trace_println!("[+] TA close session");
43 }
44
45 #[ta_destroy]
destroy()46 fn destroy() {
47 trace_println!("[+] TA destroy");
48 }
49
50 #[ta_invoke_command]
invoke_command(cmd_id: u32, params: &mut Parameters) -> Result<()>51 fn invoke_command(cmd_id: u32, params: &mut Parameters) -> Result<()> {
52 trace_println!("[+] TA invoke command");
53 let mut values = unsafe { params.0.as_value().unwrap() };
54 match Command::from(cmd_id) {
55 Command::IncValue => {
56 values.set_a(values.a() + 100);
57 Ok(())
58 }
59 Command::DecValue => {
60 values.set_a(values.a() - 100);
61 Ok(())
62 }
63 _ => Err(Error::new(ErrorKind::BadParameters)),
64 }
65 }
66
67 // TA configurations
68 const TA_FLAGS: u32 = 0;
69 const TA_DATA_SIZE: u32 = 32 * 1024;
70 const TA_STACK_SIZE: u32 = 2 * 1024;
71 const TA_VERSION: &[u8] = b"0.1\0";
72 const TA_DESCRIPTION: &[u8] = b"This is a hello world example.\0";
73 const EXT_PROP_VALUE_1: &[u8] = b"Hello World TA\0";
74 const EXT_PROP_VALUE_2: u32 = 0x0010;
75 const TRACE_LEVEL: i32 = 4;
76 const TRACE_EXT_PREFIX: &[u8] = b"TA\0";
77 const TA_FRAMEWORK_STACK_SIZE: u32 = 2048;
78
79 include!(concat!(env!("OUT_DIR"), "/user_ta_header.rs"));
80