Infineon: Switch to 1.9.0 code base, add xmc7000 family support, refactor memory layer
diff --git a/boot/espressif/CMakeLists.txt b/boot/espressif/CMakeLists.txt
new file mode 100644
index 0000000..0aa9dc2
--- /dev/null
+++ b/boot/espressif/CMakeLists.txt
@@ -0,0 +1,237 @@
+# SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.13)
+
+if (NOT DEFINED MCUBOOT_TARGET)
+    message(FATAL_ERROR "MCUBOOT_TARGET not defined. Please pass -DMCUBOOT_TARGET flag.")
+endif()
+
+project(mcuboot_${MCUBOOT_TARGET})
+
+add_definitions(-DMCUBOOT_TARGET=${MCUBOOT_TARGET})
+
+if ("${MCUBOOT_TARGET}" STREQUAL "esp32" OR
+    "${MCUBOOT_TARGET}" STREQUAL "esp32s2" OR
+    "${MCUBOOT_TARGET}" STREQUAL "esp32s3")
+    set(MCUBOOT_ARCH "xtensa")
+elseif("${MCUBOOT_TARGET}" STREQUAL "esp32c3")
+    set(MCUBOOT_ARCH "riscv")
+endif()
+
+if (NOT DEFINED IDF_PATH)
+    if (EXISTS "${CMAKE_CURRENT_LIST_DIR}/hal/esp-idf")
+        set(IDF_PATH "${CMAKE_CURRENT_LIST_DIR}/hal/esp-idf")
+    elseif (DEFINED ENV{IDF_PATH})
+        set(IDF_PATH $ENV{IDF_PATH})
+    else()
+        message(FATAL_ERROR "IDF_PATH not found. Please update submodules or set IDF_PATH environment variable or pass -DIDF_PATH flag.")
+    endif()
+endif()
+
+execute_process(
+    COMMAND git describe --tags
+    WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+    OUTPUT_VARIABLE MCUBOOT_VER
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+add_definitions(-DMCUBOOT_VER=\"${MCUBOOT_VER}\")
+
+if (DEFINED MCUBOOT_CONFIG_FILE)
+    set(mcuboot_config_file ${MCUBOOT_CONFIG_FILE})
+else()
+    set(mcuboot_config_file "${CMAKE_CURRENT_LIST_DIR}/bootloader.conf")
+endif()
+
+if (NOT EXISTS "${mcuboot_config_file}")
+    message(FATAL_ERROR "MCUboot configuration file does not exist at ${mcuboot_config_file}")
+endif()
+
+configure_file(${mcuboot_config_file} dummy.conf)
+file(STRINGS ${mcuboot_config_file} BOOTLOADER_CONF)
+foreach(config ${BOOTLOADER_CONF})
+    if (NOT (${config} MATCHES "#"))
+        string(REGEX REPLACE "^[ ]+" "" config ${config})
+        string(REGEX MATCH "^[^=]+" CONFIG_NAME ${config})
+        string(REPLACE "${CONFIG_NAME}=" "" CONFIG_VALUE ${config})
+        if (NOT ("${CONFIG_VALUE}" STREQUAL "n"
+            OR "${CONFIG_VALUE}" STREQUAL "N"))
+            add_definitions(-D${CONFIG_NAME}=${CONFIG_VALUE})
+            set(${CONFIG_NAME} ${CONFIG_VALUE})
+        endif()
+    endif()
+endforeach()
+
+set(APP_NAME mcuboot_${MCUBOOT_TARGET})
+set(APP_EXECUTABLE ${APP_NAME}.elf)
+
+set(MCUBOOT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
+set(BOOTUTIL_DIR ${MCUBOOT_ROOT_DIR}/boot/bootutil)
+set(ESPRESSIF_PORT_DIR ${CMAKE_CURRENT_LIST_DIR})
+
+# Find imgtool.
+# Go with an explicitly installed imgtool first, falling
+# back to mcuboot/scripts/imgtool.py.
+find_program(IMGTOOL_COMMAND
+    NAMES imgtool imgtool.py
+    )
+if ("${IMGTOOL_COMMAND}" MATCHES "IMGTOOL_COMMAND-NOTFOUND")
+    set(imgtool_path "${MCUBOOT_ROOT_DIR}/scripts/imgtool.py")
+else()
+    set(imgtool_path "${IMGTOOL_COMMAND}")
+endif()
+
+if (DEFINED CONFIG_ESP_SIGN_RSA)
+    include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/rsa.cmake)
+elseif (DEFINED CONFIG_ESP_SIGN_EC256)
+    include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/ec256.cmake)
+elseif (DEFINED CONFIG_ESP_SIGN_ED25519)
+    include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/ed25519.cmake)
+else()
+    # No signature verification
+    set(TINYCRYPT_DIR ${MCUBOOT_ROOT_DIR}/ext/tinycrypt/lib)
+    set(CRYPTO_INC
+        ${TINYCRYPT_DIR}/include
+        )
+    set(crypto_srcs
+        ${TINYCRYPT_DIR}/source/sha256.c
+        ${TINYCRYPT_DIR}/source/utils.c
+        )
+endif()
+
+if(DEFINED CONFIG_ESP_SIGN_KEY_FILE)
+    if(IS_ABSOLUTE ${CONFIG_ESP_SIGN_KEY_FILE})
+        set(KEY_FILE ${CONFIG_ESP_SIGN_KEY_FILE})
+    else()
+        set(KEY_FILE ${MCUBOOT_ROOT_DIR}/${CONFIG_ESP_SIGN_KEY_FILE})
+    endif()
+    message("MCUBoot bootloader key file: ${KEY_FILE}")
+
+    set(GENERATED_PUBKEY ${CMAKE_CURRENT_BINARY_DIR}/autogen-pubkey.c)
+        add_custom_command(
+            OUTPUT ${GENERATED_PUBKEY}
+            COMMAND
+            ${imgtool_path}
+            getpub
+            -k
+            ${KEY_FILE}
+            > ${GENERATED_PUBKEY}
+            DEPENDS ${KEY_FILE}
+        )
+    list(APPEND crypto_srcs ${GENERATED_PUBKEY})
+endif()
+
+set(bootutil_srcs
+    ${BOOTUTIL_DIR}/src/boot_record.c
+    ${BOOTUTIL_DIR}/src/bootutil_misc.c
+    ${BOOTUTIL_DIR}/src/bootutil_public.c
+    ${BOOTUTIL_DIR}/src/caps.c
+    ${BOOTUTIL_DIR}/src/encrypted.c
+    ${BOOTUTIL_DIR}/src/fault_injection_hardening.c
+    ${BOOTUTIL_DIR}/src/fault_injection_hardening_delay_rng_mbedtls.c
+    ${BOOTUTIL_DIR}/src/image_ec.c
+    ${BOOTUTIL_DIR}/src/image_ec256.c
+    ${BOOTUTIL_DIR}/src/image_ed25519.c
+    ${BOOTUTIL_DIR}/src/image_rsa.c
+    ${BOOTUTIL_DIR}/src/image_validate.c
+    ${BOOTUTIL_DIR}/src/loader.c
+    ${BOOTUTIL_DIR}/src/swap_misc.c
+    ${BOOTUTIL_DIR}/src/swap_move.c
+    ${BOOTUTIL_DIR}/src/swap_scratch.c
+    ${BOOTUTIL_DIR}/src/tlv.c
+    )
+
+set(CFLAGS
+    "-Wno-frame-address"
+    "-Wall"
+    "-Wextra"
+    "-W"
+    "-Wdeclaration-after-statement"
+    "-Wwrite-strings"
+    "-Wlogical-op"
+    "-Wshadow"
+    "-ffunction-sections"
+    "-fdata-sections"
+    "-fstrict-volatile-bitfields"
+    "-Werror=all"
+    "-Wno-error=unused-function"
+    "-Wno-error=unused-but-set-variable"
+    "-Wno-error=unused-variable"
+    "-Wno-error=deprecated-declarations"
+    "-Wno-unused-parameter"
+    "-Wno-sign-compare"
+    "-ggdb"
+    "-Os"
+    "-D_GNU_SOURCE"
+    "-std=gnu99"
+    "-Wno-old-style-declaration"
+    "-Wno-implicit-int"
+    "-Wno-declaration-after-statement"
+    )
+
+set(LDFLAGS
+    "-nostdlib"
+    "-Wno-frame-address"
+    "-Wl,--cref"
+    "-Wl,--Map=${APP_NAME}.map"
+    "-fno-rtti"
+    "-fno-lto"
+    "-Wl,--gc-sections"
+    "-Wl,--undefined=uxTopUsedPriority"
+    "-lm"
+    "-lgcc"
+    "-lgcov"
+    )
+
+if ("${MCUBOOT_ARCH}" STREQUAL "xtensa")
+    list(APPEND CFLAGS
+        "-mlongcalls"
+        )
+    list(APPEND LDFLAGS
+        "-mlongcalls"
+        )
+endif()
+
+add_subdirectory(hal)
+add_executable(
+    ${APP_EXECUTABLE}
+    ${CMAKE_CURRENT_LIST_DIR}/main.c
+    )
+
+target_compile_options(
+    ${APP_EXECUTABLE}
+    PUBLIC
+    ${CFLAGS}
+    )
+
+target_sources(
+    ${APP_EXECUTABLE}
+    PUBLIC
+    ${bootutil_srcs}
+    ${crypto_srcs}
+    ${CMAKE_CURRENT_LIST_DIR}/port/esp_mcuboot.c
+    ${CMAKE_CURRENT_LIST_DIR}/port/esp_loader.c
+    ${CMAKE_CURRENT_LIST_DIR}/os.c
+    )
+
+target_include_directories(
+    ${APP_EXECUTABLE}
+    PUBLIC
+    ${BOOTUTIL_DIR}/include
+    ${CRYPTO_INC}
+    ${CMAKE_CURRENT_LIST_DIR}/include
+    )
+
+target_link_libraries(
+    ${APP_EXECUTABLE}
+    PUBLIC
+    -T${CMAKE_CURRENT_LIST_DIR}/port/${MCUBOOT_TARGET}/ld/bootloader.ld
+    ${LDFLAGS}
+    )
+
+target_link_libraries(
+    ${APP_EXECUTABLE}
+    PUBLIC
+    hal
+    )