| /* |
| * Copyright 2021, Google LLC |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| #![no_std] |
| #![no_main] |
| |
| extern crate alloc; |
| extern crate libcantrip; |
| use alloc::format; |
| use cantrip_os_common::allocator; |
| use sdk_interface::*; |
| |
| #[no_mangle] |
| pub fn main() { |
| // NB: needed for format!. |
| static mut HEAP: [u8; 4096] = [0; 4096]; |
| unsafe { |
| allocator::ALLOCATOR.init(HEAP.as_mut_ptr() as _, HEAP.len()); |
| } |
| |
| let _ = match sdk_ping() { |
| Ok(_) => sdk_log("ping!"), |
| Err(e) => sdk_log(&format!("sdk_ping failed: {:?}", e)), |
| }; |
| let _ = sdk_log("I am a Rust app, hear me log!"); |
| } |
