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_main]
19
20 use optee_utee::{
21 ta_close_session, ta_create, ta_destroy, ta_invoke_command, ta_open_session, trace_println,
22 };
23 use optee_utee::{Error, ErrorKind, Parameters, Result};
24 use optee_utee::{Random};
25 use proto::Command;
26
27 #[ta_create]
create() -> Result<()>28 fn create() -> Result<()> {
29 trace_println!("[+] TA create");
30 Ok(())
31 }
32
33 #[ta_open_session]
open_session(_params: &mut Parameters) -> Result<()>34 fn open_session(_params: &mut Parameters) -> Result<()> {
35 trace_println!("[+] TA open session");
36 Ok(())
37 }
38
39 #[ta_close_session]
close_session()40 fn close_session() {
41 trace_println!("[+] TA close session");
42 }
43
44 #[ta_destroy]
destroy()45 fn destroy() {
46 trace_println!("[+] TA destroy");
47 }
48
random_number_generate(params: &mut Parameters) -> Result<()>49 pub fn random_number_generate(params: &mut Parameters) -> Result<()> {
50 let mut p = unsafe { params.0.as_memref().unwrap()};
51 let mut buf = vec![0; p.buffer().len() as usize];
52 buf.copy_from_slice(p.buffer());
53
54 Random::generate(buf.as_mut() as _);
55 p.buffer().copy_from_slice(&buf);
56
57 Ok(())
58 }
59
60 #[ta_invoke_command]
invoke_command(cmd_id: u32, params: &mut Parameters) -> Result<()>61 fn invoke_command(cmd_id: u32, params: &mut Parameters) -> Result<()> {
62 trace_println!("[+] TA invoke command");
63 match Command::from(cmd_id) {
64 Command::RandomGenerator => {
65 return random_number_generate(params);
66 }
67 _ => {
68 return Err(Error::new(ErrorKind::BadParameters));
69 }
70 }
71 }
72
73 // TA configurations
74 const TA_FLAGS: u32 = 0;
75 const TA_DATA_SIZE: u32 = 32 * 1024;
76 const TA_STACK_SIZE: u32 = 2 * 1024;
77 const TA_VERSION: &[u8] = b"0.1\0";
78 const TA_DESCRIPTION: &[u8] = b"This is a random generator example.\0";
79 const EXT_PROP_VALUE_1: &[u8] = b"Random TA\0";
80 const EXT_PROP_VALUE_2: u32 = 0x0010;
81 const TRACE_LEVEL: i32 = 4;
82 const TRACE_EXT_PREFIX: &[u8] = b"TA\0";
83 const TA_FRAMEWORK_STACK_SIZE: u32 = 2048;
84
85 include!(concat!(env!("OUT_DIR"), "/user_ta_header.rs"));
86