blob: cf7e90a135aa44dc41b3a739bfca42ef9f242e9b [file] [log] [blame]
Andrew Walbran68a8c162022-03-07 15:38:42 +00001// Copyright 2022, The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15//! pVM firmware.
16
17#![no_main]
18#![no_std]
Pierre-Clément Tosifc531152022-10-20 12:22:23 +010019#![feature(default_alloc_error_handler)]
Pierre-Clément Tosi20b60962022-10-17 13:35:27 +010020#![feature(ptr_const_cast)] // Stabilized in 1.65.0
Andrew Walbran68a8c162022-03-07 15:38:42 +000021
Pierre-Clément Tosi4ef75222022-10-26 17:40:50 +010022mod avb;
Pierre-Clément Tosi20b60962022-10-17 13:35:27 +010023mod config;
Pierre-Clément Tosi5bbfca52022-10-21 12:14:35 +010024mod entry;
Andrew Walbrandfb73372022-04-21 10:52:27 +000025mod exceptions;
Pierre-Clément Tosia0934c12022-11-25 20:54:11 +000026mod fdt;
Pierre-Clément Tosifc531152022-10-20 12:22:23 +010027mod heap;
Pierre-Clément Tosida4440a2022-08-22 18:06:32 +010028mod helpers;
Pierre-Clément Tosia0934c12022-11-25 20:54:11 +000029mod memory;
Pierre-Clément Tosi072969b2022-10-19 17:32:24 +010030mod mmio_guard;
Pierre-Clément Tosia8a4a202022-11-03 14:16:46 +000031mod mmu;
Pierre-Clément Tosida4440a2022-08-22 18:06:32 +010032mod smccc;
Andrew Walbran68a8c162022-03-07 15:38:42 +000033
Alice Wang0a688d22022-12-02 09:48:41 +000034use crate::entry::RebootReason;
Pierre-Clément Tosi4ef75222022-10-26 17:40:50 +010035use avb::PUBLIC_KEY;
Alice Wang0a688d22022-12-02 09:48:41 +000036use avb_nostd::verify_image;
37use log::{debug, error, info};
Andrew Walbran68a8c162022-03-07 15:38:42 +000038
Alice Wang28cbcf12022-12-01 07:58:28 +000039fn main(
40 fdt: &libfdt::Fdt,
41 signed_kernel: &[u8],
42 ramdisk: Option<&[u8]>,
43 bcc: &[u8],
Alice Wang0a688d22022-12-02 09:48:41 +000044) -> Result<(), RebootReason> {
Pierre-Clément Tosi37105a62022-10-18 12:21:48 +010045 info!("pVM firmware");
Pierre-Clément Tosia0934c12022-11-25 20:54:11 +000046 debug!("FDT: {:?}", fdt as *const libfdt::Fdt);
47 debug!("Signed kernel: {:?} ({:#x} bytes)", signed_kernel.as_ptr(), signed_kernel.len());
48 if let Some(rd) = ramdisk {
49 debug!("Ramdisk: {:?} ({:#x} bytes)", rd.as_ptr(), rd.len());
50 } else {
51 debug!("Ramdisk: None");
52 }
Pierre-Clément Tosie8726e42022-10-17 13:35:27 +010053 debug!("BCC: {:?} ({:#x} bytes)", bcc.as_ptr(), bcc.len());
Alice Wang0a688d22022-12-02 09:48:41 +000054 verify_image(signed_kernel, PUBLIC_KEY).map_err(|e| {
55 error!("Failed to verify the payload: {e}");
56 RebootReason::PayloadVerificationError
57 })?;
Alice Wang28cbcf12022-12-01 07:58:28 +000058 info!("Payload verified. Starting payload...");
59 Ok(())
Pierre-Clément Tosi263ffd52022-10-05 20:27:50 +010060}