feat(bootloader_support): added bootloader_support mocks

tools/mocks/bootloader_support/CMakeLists.txt

@@ -0,0 +1,18 @@
+# NOTE: This kind of mocking currently works on Linux targets only.
+#       On Espressif chips, too many dependencies are missing at the moment.
+message(STATUS "building BOOTLOADER SUPPORT MOCKS")
+
+idf_component_get_property(original_bootloader_support_dir bootloader_support COMPONENT_OVERRIDEN_DIR)
+
+# Note: bootloader_memory_utils.h, bootloader_util.h and esp_app_format.h are not mocked
+# since they only contain inline functions which we cannot mock without changing the build system.
+idf_component_mock(INCLUDE_DIRS "${original_bootloader_support_dir}/include"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/bootloader_clock.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/bootloader_common.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/bootloader_mem.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/bootloader_random.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/esp_flash_encrypt.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/esp_flash_partitions.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/esp_image_format.h"
+                   MOCK_HEADER_FILES "${original_bootloader_support_dir}/include/esp_secure_boot.h"
+    )

tools/mocks/bootloader_support/mock/mock_config.yaml

@@ -0,0 +1,12 @@
+:cmock:
+  :plugins:
+    - expect
+    - expect_any_args
+    - return_thru_ptr
+    - array
+    - ignore
+    - ignore_arg
+    - callback
+  :strippables:
+    # esp_secure_boot_verify_sbv2_signature_block uses an ets type that is not yet available
+    - ['(?:esp_secure_boot_verify_sbv2_signature_block\s*\(+.*?\)+)']

tools/test_apps/linux_compatible/mock_build_test/CMakeLists.txt

@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 set(COMPONENTS main)
+list(APPEND EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/tools/mocks/bootloader_support)
 list(APPEND EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/tools/mocks/esp_wifi)
 list(APPEND EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/tools/mocks/esp_netif)
 list(APPEND EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/tools/mocks/esp_event)

tools/test_apps/linux_compatible/mock_build_test/main/CMakeLists.txt

@@ -1,3 +1,3 @@
 idf_component_register(SRCS "mock_build_test.c"
                     INCLUDE_DIRS "."
-                    PRIV_REQUIRES driver esp_wifi)
+                    PRIV_REQUIRES driver esp_wifi bootloader_support)

tools/test_apps/linux_compatible/mock_build_test/main/mock_build_test.c

@@ -30,6 +30,14 @@
 #include "Mockrmt_common.h"
 #include "Mockrmt_tx.h"
 #include "Mockrmt_rx.h"
+#include "Mockbootloader_clock.h"
+#include "Mockbootloader_common.h"
+#include "Mockbootloader_mem.h"
+#include "Mockbootloader_random.h"
+#include "Mockesp_flash_encrypt.h"
+#include "Mockesp_flash_partitions.h"
+#include "Mockesp_image_format.h"
+#include "Mockesp_secure_boot.h"
 
 /* Test that mock functions exist and that required definitions are available */
 void app_main(void)
@@ -130,5 +138,34 @@ void app_main(void)
     esp_now_init_IgnoreAndReturn(ESP_OK);
     ESP_ERROR_CHECK(esp_now_init());
 
+    // Bootloader Support
+    bootloader_clock_configure_Ignore();
+    bootloader_clock_configure();
+
+    bootloader_configure_spi_pins_Ignore();
+    bootloader_configure_spi_pins(0);
+
+    bootloader_init_mem_Ignore();
+    bootloader_init_mem();
+
+    bootloader_random_enable_Ignore();
+    bootloader_random_enable();
+
+    esp_flash_encryption_enabled_IgnoreAndReturn(true);
+    bool flash_encrypted = esp_flash_encryption_enabled();
+    (void)flash_encrypted;
+
+    esp_partition_main_flash_region_safe_IgnoreAndReturn(true);
+    bool region_is_safe = esp_partition_main_flash_region_safe(0, 0);
+    (void) region_is_safe;
+
+    esp_image_verify_bootloader_IgnoreAndReturn(ESP_OK);
+    esp_err_t bootloader_is_ok = esp_image_verify_bootloader(NULL);
+    (void)bootloader_is_ok;
+
+    esp_secure_boot_cfg_verify_release_mode_IgnoreAndReturn(true);
+    bool release_mode_enabled = esp_secure_boot_cfg_verify_release_mode();
+    (void)release_mode_enabled;
+
     printf("Mock build test done\n");
 }