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::Time;
23 use optee_utee::{
24     ta_close_session, ta_create, ta_destroy, ta_invoke_command, ta_open_session, trace_println,
25 };
26 use optee_utee::{Error, ErrorKind, Parameters, Result};
27 use proto::Command;
28 
29 #[ta_create]
create() -> Result<()>30 fn create() -> Result<()> {
31     trace_println!("[+] TA create");
32     Ok(())
33 }
34 
35 #[ta_open_session]
open_session(_params: &mut Parameters) -> Result<()>36 fn open_session(_params: &mut Parameters) -> Result<()> {
37     trace_println!("[+] TA open session");
38     Ok(())
39 }
40 
41 #[ta_close_session]
close_session()42 fn close_session() {
43     trace_println!("[+] TA close session");
44 }
45 
46 #[ta_destroy]
destroy()47 fn destroy() {
48     trace_println!("[+] TA destroy");
49 }
50 
51 #[ta_invoke_command]
invoke_command(cmd_id: u32, _params: &mut Parameters) -> Result<()>52 fn invoke_command(cmd_id: u32, _params: &mut Parameters) -> Result<()> {
53     trace_println!("[+] TA invoke command");
54     match Command::from(cmd_id) {
55         Command::Test => {
56             time()?;
57             Ok(())
58         }
59         _ => Err(Error::new(ErrorKind::BadParameters)),
60     }
61 }
62 
time() -> Result<()>63 fn time() -> Result<()> {
64     let mut time = Time::new();
65     time.ree_time();
66     trace_println!("[+] Get REE time {}.", time);
67     trace_println!("[+] Now wait 1 second in TEE ...");
68     Time::wait(1000)?;
69     time.system_time();
70     trace_println!("[+] Get system time {}.", time);
71     time.seconds = time.seconds + 5;
72     time.set_ta_time()?;
73     let mut time2 = Time::new();
74     time2.ta_time()?;
75     trace_println!("[+] After set the TA time 5 seconds ahead of system time, new TA time {}.", time2);
76     Ok(())
77 }
78 // TA configurations
79 const TA_FLAGS: u32 = 0;
80 const TA_DATA_SIZE: u32 = 32 * 1024;
81 const TA_STACK_SIZE: u32 = 2 * 1024;
82 const TA_VERSION: &[u8] = b"0.1\0";
83 const TA_DESCRIPTION: &[u8] = b"This is a time API example.\0";
84 const EXT_PROP_VALUE_1: &[u8] = b"Time TA\0";
85 const EXT_PROP_VALUE_2: u32 = 0x0010;
86 const TRACE_LEVEL: i32 = 4;
87 const TRACE_EXT_PREFIX: &[u8] = b"TA\0";
88 const TA_FRAMEWORK_STACK_SIZE: u32 = 2048;
89 
90 include!(concat!(env!("OUT_DIR"), "/user_ta_header.rs"));
91