| // Copyright (C) 2017-2019 Baidu, Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in |
| // the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Baidu, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #![crate_name = "hugememsampleenclave"] |
| #![crate_type = "staticlib"] |
| |
| #![cfg_attr(not(target_env = "sgx"), no_std)] |
| #![cfg_attr(target_env = "sgx", feature(rustc_private))] |
| |
| #[cfg(not(target_env = "sgx"))] |
| #[macro_use] |
| extern crate sgx_tstd as std; |
| extern crate sgx_types; |
| |
| use sgx_types::*; |
| use std::string::String; |
| use std::vec::Vec; |
| use std::slice; |
| use std::io::{self, Write}; |
| /// A function simply invokes ocall print to print the incoming string |
| /// |
| /// # Parameters |
| /// |
| /// **some_string** |
| /// |
| /// A pointer to the string to be printed |
| /// |
| /// **len** |
| /// |
| /// An unsigned int indicates the length of str |
| /// |
| /// # Return value |
| /// |
| /// Always returns SGX_SUCCESS |
| #[no_mangle] |
| pub extern "C" fn say_something(some_string: *const u8, some_len: usize) -> sgx_status_t { |
| |
| let str_slice = unsafe { slice::from_raw_parts(some_string, some_len) }; |
| let _ = io::stdout().write(str_slice); |
| |
| // A sample &'static string |
| let rust_raw_string = "This is a "; |
| // An array |
| let word:[u8;4] = [82, 117, 115, 116]; |
| // An vector |
| let word_vec:Vec<u8> = vec![32, 115, 116, 114, 105, 110, 103, 33]; |
| |
| // Construct a string from &'static string |
| let mut hello_string = String::from(rust_raw_string); |
| |
| // Iterate on word array |
| for c in word.iter() { |
| hello_string.push(*c as char); |
| } |
| |
| // Rust style convertion |
| hello_string += String::from_utf8(word_vec).expect("Invalid UTF-8") |
| .as_str(); |
| |
| // Ocall to normal world for output |
| println!("{}", &hello_string); |
| |
| let mut sum:u64 = 0; |
| let mut vv:Vec<Vec<u8>> = Vec::new(); |
| let mut onev:Vec<u8>; // 1Mbyte |
| let testblocksize:usize = 128 * 1024 * 1024; // 128Mbyte |
| let total = 0xB78000000 ; // 46GB - 0.5GB |
| |
| for i in 0..total / testblocksize{ |
| onev = Vec::with_capacity(testblocksize); // 128Mbyte |
| for j in 0..testblocksize { |
| onev.push(((j as u32) % 256) as u8); |
| } |
| vv.push(onev); |
| sum += testblocksize as u64; |
| println!("{}th allocate {} vec sum = {} bytes", i, testblocksize, sum); |
| } |
| |
| println!("Checking for values in allocated memory"); |
| |
| for i in 0..total / testblocksize{ |
| for j in 0..testblocksize { |
| if vv[i][j] != ((j as u32) % 256) as u8 { |
| return sgx_status_t::SGX_ERROR_UNEXPECTED; |
| } |
| } |
| } |
| |
| println!("All check success!"); |
| |
| sgx_status_t::SGX_SUCCESS |
| } |