Initial commit

Initial commit.
2026-03-23 14:40:39 -05:00
parent e84b2b4166
commit 4e2a5258a5
872 changed files with 165227 additions and 0 deletions
--- a/bootloader/mcuboot/boot/mbed/mcuboot_main.cpp
+++ b/bootloader/mcuboot/boot/mbed/mcuboot_main.cpp
@@ -0,0 +1,93 @@
+/*
+ * 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 "platform/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;
+
+#ifdef MCUBOOT_HAVE_LOGGING
+    mbed_trace_init();
+#if MCUBOOT_LOG_BOOTLOADER_ONLY
+    mbed_trace_include_filters_set("MCUb,BL");
+#endif //MCUBOOT_LOG_BOOTLOADER_ONLY
+#endif //MCUBOOT_HAVE_LOGGING
+
+    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