92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2020 Embedded Planet
|
|
* Copyright (c) 2020 ARM Limited
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#if MCUBOOT_BOOTLOADER_BUILD
|
|
|
|
#include <stdlib.h>
|
|
#include "bootutil/bootutil.h"
|
|
#include "bootutil/image.h"
|
|
#include "hal/serial_api.h"
|
|
#include "mbed_application.h"
|
|
|
|
#if (MCUBOOT_CRYPTO_BACKEND == MBEDTLS)
|
|
#include "mbedtls/platform.h"
|
|
#elif (MCUBOOT_CRYPTO_BACKEND == TINYCRYPT)
|
|
#include "tinycrypt/ecc.h"
|
|
#endif
|
|
|
|
#define MBED_TRACE_MAX_LEVEL TRACE_LEVEL_DEBUG
|
|
#define TRACE_GROUP "BL"
|
|
#include "mbed-trace/mbed_trace.h"
|
|
|
|
#if (MCUBOOT_CRYPTO_BACKEND == TINYCRYPT)
|
|
/* XXX add this global definition for linking only
|
|
* TinyCrypt is used for signature verification and ECIES using secp256r1 and AES encryption;
|
|
* RNG is not required. So here we provide a stub.
|
|
* See https://github.com/mcu-tools/mcuboot/pull/791#discussion_r514480098
|
|
*/
|
|
|
|
extern "C" {
|
|
int default_CSPRNG(uint8_t *dest, unsigned int size) { return 0; }
|
|
}
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
int rc;
|
|
|
|
mbed_trace_init();
|
|
#if MCUBOOT_LOG_BOOTLOADER_ONLY
|
|
mbed_trace_include_filters_set("MCUb,BL");
|
|
#endif
|
|
|
|
tr_info("Starting MCUboot");
|
|
|
|
#if (MCUBOOT_CRYPTO_BACKEND == MBEDTLS)
|
|
// Initialize mbedtls crypto for use by MCUboot
|
|
mbedtls_platform_context unused_ctx;
|
|
rc = mbedtls_platform_setup(&unused_ctx);
|
|
if(rc != 0) {
|
|
tr_error("Failed to setup Mbed TLS, error: %d", rc);
|
|
exit(rc);
|
|
}
|
|
#elif (MCUBOOT_CRYPTO_BACKEND == TINYCRYPT)
|
|
uECC_set_rng(0);
|
|
#endif
|
|
|
|
struct boot_rsp rsp;
|
|
rc = boot_go(&rsp);
|
|
if(rc != 0) {
|
|
tr_error("Failed to locate firmware image, error: %d", rc);
|
|
exit(rc);
|
|
}
|
|
|
|
uint32_t address = rsp.br_image_off + rsp.br_hdr->ih_hdr_size;
|
|
|
|
// Workaround: The extra \n ensures the last trace gets flushed
|
|
// before mbed_start_application() destroys the stack and jumps
|
|
// to the application
|
|
tr_info("Booting firmware image at 0x%x\n", address);
|
|
|
|
// Run the application in the primary slot
|
|
// Add header size offset to calculate the actual start address of application
|
|
mbed_start_application(address);
|
|
}
|
|
|
|
#endif // MCUBOOT_BOOTLOADER_BUILD
|