Initial commit

Initial commit.

bootloader/mcuboot/boot/mbed/src/secondary_bd.cpp

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+/*
+ * Mbed-OS Microcontroller Library
+ * 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_DIRECT_XIP
+
+#include "flash_map_backend/secondary_bd.h"
+#include "platform/mbed_toolchain.h"
+#include "FlashIAP/FlashIAPBlockDevice.h"
+
+/**
+ * For an XIP build, the secondary BD is provided by mcuboot by default.
+ *
+ * This is a weak symbol so the user can override it.
+ */
+MBED_WEAK mbed::BlockDevice* get_secondary_bd(void) {
+    static FlashIAPBlockDevice secondary_bd(MBED_CONF_MCUBOOT_XIP_SECONDARY_SLOT_ADDRESS,
+            MCUBOOT_SLOT_SIZE);
+
+    return &secondary_bd;
+}
+
+#endif
+
+