pvmfw/src/helpers.rs

// Copyright 2022, The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Miscellaneous helper functions.

use vmbase::memory::{PAGE_SIZE, SIZE_4KB};

pub const GUEST_PAGE_SIZE: usize = SIZE_4KB;
pub const PVMFW_PAGE_SIZE: usize = PAGE_SIZE;

/// Create &CStr out of &str literal
#[macro_export]
macro_rules! cstr {
    ($str:literal) => {{
        core::ffi::CStr::from_bytes_with_nul(concat!($str, "\0").as_bytes()).unwrap()
    }};
}