boot/espressif: Add hal subdirectory for IDF sources and headers
Signed-off-by: Shubham Kulkarni <shubham.kulkarni@espressif.com>
diff --git a/boot/espressif/hal/include/bootloader_wdt.h b/boot/espressif/hal/include/bootloader_wdt.h
new file mode 100644
index 0000000..e5ac551
--- /dev/null
+++ b/boot/espressif/hal/include/bootloader_wdt.h
@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+void bootloader_wdt_feed(void);
diff --git a/boot/espressif/hal/include/esp32/sdkconfig.h b/boot/espressif/hal/include/esp32/sdkconfig.h
new file mode 100644
index 0000000..547d2ae
--- /dev/null
+++ b/boot/espressif/hal/include/esp32/sdkconfig.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define BOOTLOADER_BUILD 1
+#define CONFIG_IDF_TARGET_ESP32 1
+#define CONFIG_SPI_FLASH_ROM_DRIVER_PATCH 1
+#define CONFIG_ESP32_XTAL_FREQ 40
+#define CONFIG_MCUBOOT 1
+#define NDEBUG 1
+#define CONFIG_BOOTLOADER_WDT_TIME_MS 9000
+#define CONFIG_ESP_CONSOLE_UART_BAUDRATE 115200
+#define CONFIG_BOOTLOADER_OFFSET_IN_FLASH 0x1000
diff --git a/boot/espressif/hal/include/esp_log.h b/boot/espressif/hal/include/esp_log.h
new file mode 100644
index 0000000..a55640e
--- /dev/null
+++ b/boot/espressif/hal/include/esp_log.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+#include <mcuboot_config/mcuboot_logging.h>
+
+#define ESP_LOGE(tag, fmt, ...) MCUBOOT_LOG_ERR(fmt, ##__VA_ARGS__)
+#define ESP_LOGW(tag, fmt, ...) MCUBOOT_LOG_WRN(fmt, ##__VA_ARGS__)
+#define ESP_LOGI(tag, fmt, ...) MCUBOOT_LOG_INF(fmt, ##__VA_ARGS__)
+#define ESP_LOGD(tag, fmt, ...) MCUBOOT_LOG_DBG(fmt, ##__VA_ARGS__)
diff --git a/boot/espressif/hal/include/mcuboot_config/mcuboot_assert.h b/boot/espressif/hal/include/mcuboot_config/mcuboot_assert.h
new file mode 100644
index 0000000..aaad1a3
--- /dev/null
+++ b/boot/espressif/hal/include/mcuboot_config/mcuboot_assert.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+extern void mcuboot_assert_handler(const char *file, int line, const char *func);
+#define assert(arg) \
+ do { \
+ if (!(arg)) { \
+ mcuboot_assert_handler(__FILE__, __LINE__, __func__); \
+ } \
+ } while(0)
diff --git a/boot/espressif/hal/include/mcuboot_config/mcuboot_config.h b/boot/espressif/hal/include/mcuboot_config/mcuboot_config.h
new file mode 100644
index 0000000..ab5f4c5
--- /dev/null
+++ b/boot/espressif/hal/include/mcuboot_config/mcuboot_config.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef __MCUBOOT_CONFIG_H__
+#define __MCUBOOT_CONFIG_H__
+
+/*
+ * Template configuration file for MCUboot.
+ *
+ * When porting MCUboot to a new target, copy it somewhere that your
+ * include path can find it as mcuboot_config/mcuboot_config.h, and
+ * make adjustments to suit your platform.
+ *
+ * For examples, see:
+ *
+ * boot/zephyr/include/mcuboot_config/mcuboot_config.h
+ * boot/mynewt/mcuboot_config/include/mcuboot_config/mcuboot_config.h
+ */
+
+/*
+ * Signature types
+ *
+ * You must choose exactly one signature type.
+ */
+
+/* Uncomment for RSA signature support */
+/* #define MCUBOOT_SIGN_RSA */
+
+/* Uncomment for ECDSA signatures using curve P-256. */
+/* #define MCUBOOT_SIGN_EC256 */
+
+
+/*
+ * Upgrade mode
+ *
+ * The default is to support A/B image swapping with rollback. Other modes
+ * with simpler code path, which only supports overwriting the existing image
+ * with the update image or running the newest image directly from its flash
+ * partition, are also available.
+ *
+ * You can enable only one mode at a time from the list below to override
+ * the default upgrade mode.
+ */
+
+/* Uncomment to enable the overwrite-only code path. */
+/* #define MCUBOOT_OVERWRITE_ONLY */
+
+#ifdef MCUBOOT_OVERWRITE_ONLY
+/* Uncomment to only erase and overwrite those primary slot sectors needed
+ * to install the new image, rather than the entire image slot. */
+/* #define MCUBOOT_OVERWRITE_ONLY_FAST */
+#endif
+
+/* Uncomment to enable the direct-xip code path. */
+/* #define MCUBOOT_DIRECT_XIP */
+
+/* Uncomment to enable the ram-load code path. */
+/* #define MCUBOOT_RAM_LOAD */
+
+/*
+ * Cryptographic settings
+ *
+ * You must choose between mbedTLS and Tinycrypt as source of
+ * cryptographic primitives. Other cryptographic settings are also
+ * available.
+ */
+
+/* Uncomment to use ARM's mbedTLS cryptographic primitives */
+#define MCUBOOT_USE_MBED_TLS
+/* Uncomment to use Tinycrypt's. */
+/* #define MCUBOOT_USE_TINYCRYPT */
+
+/*
+ * Always check the signature of the image in the primary slot before booting,
+ * even if no upgrade was performed. This is recommended if the boot
+ * time penalty is acceptable.
+ */
+#define MCUBOOT_VALIDATE_PRIMARY_SLOT
+
+/*
+ * Flash abstraction
+ */
+
+/* Uncomment if your flash map API supports flash_area_get_sectors().
+ * See the flash APIs for more details. */
+#define MCUBOOT_USE_FLASH_AREA_GET_SECTORS
+
+/* Default maximum number of flash sectors per image slot; change
+ * as desirable. */
+#define MCUBOOT_MAX_IMG_SECTORS 512
+
+/* Default number of separately updateable images; change in case of
+ * multiple images. */
+#define MCUBOOT_IMAGE_NUMBER 1
+
+/*
+ * Logging
+ */
+
+/*
+ * If logging is enabled the following functions must be defined by the
+ * platform:
+ *
+ * MCUBOOT_LOG_MODULE_REGISTER(domain)
+ * Register a new log module and add the current C file to it.
+ *
+ * MCUBOOT_LOG_MODULE_DECLARE(domain)
+ * Add the current C file to an existing log module.
+ *
+ * MCUBOOT_LOG_ERR(...)
+ * MCUBOOT_LOG_WRN(...)
+ * MCUBOOT_LOG_INF(...)
+ * MCUBOOT_LOG_DBG(...)
+ *
+ * The function priority is:
+ *
+ * MCUBOOT_LOG_ERR > MCUBOOT_LOG_WRN > MCUBOOT_LOG_INF > MCUBOOT_LOG_DBG
+ */
+#define MCUBOOT_HAVE_LOGGING 1
+
+/*
+ * Assertions
+ */
+
+/* Uncomment if your platform has its own mcuboot_config/mcuboot_assert.h.
+ * If so, it must provide an ASSERT macro for use by bootutil. Otherwise,
+ * "assert" is used. */
+#define MCUBOOT_HAVE_ASSERT_H 1
+
+/*
+ * Watchdog feeding
+ */
+
+/* This macro might be implemented if the OS / HW watchdog is enabled while
+ * doing a swap upgrade and the time it takes for a swapping is long enough
+ * to cause an unwanted reset. If implementing this, the OS main.c must also
+ * enable the watchdog (if required)!
+ */
+#include <bootloader_wdt.h>
+ #define MCUBOOT_WATCHDOG_FEED() \
+ do { \
+ bootloader_wdt_feed(); \
+ } while (0)
+
+#endif /* __MCUBOOT_CONFIG_H__ */
diff --git a/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h b/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h
new file mode 100644
index 0000000..1968cec
--- /dev/null
+++ b/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+extern int ets_printf(const char *fmt, ...);
+
+#define MCUBOOT_LOG_LEVEL_OFF 0
+#define MCUBOOT_LOG_LEVEL_ERROR 1
+#define MCUBOOT_LOG_LEVEL_WARNING 2
+#define MCUBOOT_LOG_LEVEL_INFO 3
+#define MCUBOOT_LOG_LEVEL_DEBUG 4
+
+#if (MCUBOOT_TARGET == esp32)
+#define TARGET "[esp32]"
+#else
+#error "Selected target not supported."
+#endif
+
+#ifndef MCUBOOT_LOG_LEVEL
+#define MCUBOOT_LOG_LEVEL MCUBOOT_LOG_LEVEL_INFO
+#endif
+
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_ERROR
+#define MCUBOOT_LOG_ERR(_fmt, ...) \
+ do { \
+ ets_printf(TARGET " [ERR] " _fmt "\n\r", ##__VA_ARGS__); \
+ } while (0)
+#else
+#define MCUBOOT_LOG_ERR(_fmt, ...)
+#endif
+
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_WARNING
+#define MCUBOOT_LOG_WRN(_fmt, ...) \
+ do { \
+ ets_printf(TARGET " [WRN] " _fmt "\n\r", ##__VA_ARGS__); \
+ } while (0)
+#else
+#define MCUBOOT_LOG_WRN(_fmt, ...)
+#endif
+
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_INFO
+#define MCUBOOT_LOG_INF(_fmt, ...) \
+ do { \
+ ets_printf(TARGET " [INF] " _fmt "\n\r", ##__VA_ARGS__); \
+ } while (0)
+#else
+#define MCUBOOT_LOG_INF(_fmt, ...)
+#endif
+
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_DEBUG
+#define MCUBOOT_LOG_DBG(_fmt, ...) \
+ do { \
+ ets_printf(TARGET " [DBG] " _fmt "\n\r", ##__VA_ARGS__); \
+ } while (0)
+#else
+#define MCUBOOT_LOG_DBG(_fmt, ...)
+#endif
+
+#define MCUBOOT_LOG_MODULE_DECLARE(...)
+#define MCUBOOT_LOG_MODULE_REGISTER(...)
diff --git a/boot/espressif/hal/include/soc_log.h b/boot/espressif/hal/include/soc_log.h
new file mode 100644
index 0000000..8210e7a
--- /dev/null
+++ b/boot/espressif/hal/include/soc_log.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <mcuboot_config/mcuboot_logging.h>
+#include <esp_rom_sys.h>
+
+#define SOC_LOGE(tag, fmt, ...) MCUBOOT_LOG_ERR(fmt, ##__VA_ARGS__)
+#define SOC_LOGW(tag, fmt, ...) MCUBOOT_LOG_WRN(fmt, ##__VA_ARGS__)
+#define SOC_LOGI(tag, fmt, ...) MCUBOOT_LOG_INF(fmt, ##__VA_ARGS__)
+#define SOC_LOGD(tag, fmt, ...) MCUBOOT_LOG_DBG(fmt, ##__VA_ARGS__)