kconfig: also parse target specific sdkconfig.rename.TARGET files

Adds functionality for target specific sdkconfig.rename files which can be
used when certain renames are only needed for a specific target.

components/esp_hw_support/sdkconfig.rename

@@ -6,4 +6,3 @@ CONFIG_TWO_UNIVERSAL_MAC_ADDRESS                        CONFIG_ESP32_UNIVERSAL_M
 CONFIG_FOUR_UNIVERSAL_MAC_ADDRESS                       CONFIG_ESP32_UNIVERSAL_MAC_ADDRESSES_FOUR
 
 CONFIG_ESP_SYSTEM_PD_FLASH                              CONFIG_ESP_SLEEP_POWER_DOWN_FLASH
-CONFIG_ESP32C3_LIGHTSLEEP_GPIO_RESET_WORKAROUND         CONFIG_ESP_SLEEP_GPIO_RESET_WORKAROUND

components/esp_hw_support/sdkconfig.rename.esp32c3

@@ -0,0 +1 @@
+CONFIG_ESP32C3_LIGHTSLEEP_GPIO_RESET_WORKAROUND         CONFIG_ESP_SLEEP_GPIO_RESET_WORKAROUND

components/esp_system/sdkconfig.rename

@@ -1,21 +1,5 @@
 # sdkconfig replacement configurations for deprecated options formatted as
 # CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
-CONFIG_ESP32_PANIC                                      CONFIG_ESP_SYSTEM_PANIC
-CONFIG_ESP32_PANIC_PRINT_HALT                           CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT
-CONFIG_ESP32_PANIC_PRINT_REBOOT                         CONFIG_ESP_SYSTEM_PANIC_PRINT_REBOOT
-CONFIG_ESP32_PANIC_SILENT_REBOOT                        CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT
-CONFIG_ESP32_PANIC_GDBSTUB                              CONFIG_ESP_SYSTEM_PANIC_GDBSTUB
-CONFIG_ESP32S2_PANIC                                    CONFIG_ESP_SYSTEM_PANIC
-CONFIG_ESP32S2_PANIC_PRINT_HALT                         CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT
-CONFIG_ESP32S2_PANIC_PRINT_REBOOT                       CONFIG_ESP_SYSTEM_PANIC_PRINT_REBOOT
-CONFIG_ESP32S2_PANIC_SILENT_REBOOT                      CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT
-CONFIG_ESP32S2_PANIC_GDBSTUB                            CONFIG_ESP_SYSTEM_PANIC_GDBSTUB
-CONFIG_ESP32S2_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-CONFIG_ESP32S2_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK
-CONFIG_ESP32C3_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-CONFIG_ESP32C3_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK
-CONFIG_ESP32H2_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-CONFIG_ESP32H2_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK
 
 CONFIG_ESP32_RTC_XTAL_BOOTSTRAP_CYCLES                  CONFIG_ESP_SYSTEM_RTC_EXT_XTAL_BOOTSTRAP_CYCLES
 
@@ -43,5 +27,3 @@ CONFIG_TASK_WDT_TIMEOUT_S                               CONFIG_ESP_TASK_WDT_TIME
 CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0                    CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
 CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1                    CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
 CONFIG_ESP32_DEBUG_STUBS_ENABLE                         CONFIG_ESP_DEBUG_STUBS_ENABLE
-CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP                 CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
-CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP               CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP

components/esp_system/sdkconfig.rename.esp32

@@ -0,0 +1,9 @@
+# sdkconfig replacement configurations for deprecated options formatted as
+# CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
+
+CONFIG_ESP32_PANIC                                      CONFIG_ESP_SYSTEM_PANIC
+CONFIG_ESP32_PANIC_PRINT_HALT                           CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT
+CONFIG_ESP32_PANIC_PRINT_REBOOT                         CONFIG_ESP_SYSTEM_PANIC_PRINT_REBOOT
+CONFIG_ESP32_PANIC_SILENT_REBOOT                        CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT
+CONFIG_ESP32_PANIC_GDBSTUB                              CONFIG_ESP_SYSTEM_PANIC_GDBSTUB
+CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP                 CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP

components/esp_system/sdkconfig.rename.esp32c3

@@ -0,0 +1,5 @@
+# sdkconfig replacement configurations for deprecated options formatted as
+# CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
+
+CONFIG_ESP32C3_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
+CONFIG_ESP32C3_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK

components/esp_system/sdkconfig.rename.esp32h2

@@ -0,0 +1,5 @@
+# sdkconfig replacement configurations for deprecated options formatted as
+# CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
+
+CONFIG_ESP32H2_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
+CONFIG_ESP32H2_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK

components/esp_system/sdkconfig.rename.esp32s2

@@ -0,0 +1,11 @@
+# sdkconfig replacement configurations for deprecated options formatted as
+# CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
+
+CONFIG_ESP32S2_PANIC                                    CONFIG_ESP_SYSTEM_PANIC
+CONFIG_ESP32S2_PANIC_PRINT_HALT                         CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT
+CONFIG_ESP32S2_PANIC_PRINT_REBOOT                       CONFIG_ESP_SYSTEM_PANIC_PRINT_REBOOT
+CONFIG_ESP32S2_PANIC_SILENT_REBOOT                      CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT
+CONFIG_ESP32S2_PANIC_GDBSTUB                            CONFIG_ESP_SYSTEM_PANIC_GDBSTUB
+CONFIG_ESP32S2_MEMPROT_FEATURE                          CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
+CONFIG_ESP32S2_MEMPROT_FEATURE_LOCK                     CONFIG_ESP_SYSTEM_MEMPROT_FEATURE_LOCK
+CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP               CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP

docs/en/api-reference/kconfig.rst

@@ -67,7 +67,7 @@ Therefore, several features have been adopted to avoid this:
 1. ``confgen.py`` is used by the tool chain to pre-process ``sdkconfig`` files before anything else, for example
    ``menuconfig``, would read them. As the consequence, the settings for old options will be kept and not ignored.
 2. ``confgen.py`` recursively finds all ``sdkconfig.rename`` files in ESP-IDF directory which contain old and new
-   ``Kconfig`` option names. Old options are replaced by new ones in the ``sdkconfig`` file.
+   ``Kconfig`` option names. Old options are replaced by new ones in the ``sdkconfig`` file. Renames that should only appear for a single target can be placed in a target specific rename file: `sdkconfig.rename.TARGET`, where `TARGET` is the target name, e.g. `sdkconfig.rename.esp32s2`.
 3. ``confgen.py`` post-processes ``sdkconfig`` files and generates all build
    outputs (``sdkconfig.h``, ``sdkconfig.cmake``, ``auto.conf``) by adding a list
    of compatibility statements, i.e. value of the old option is set the value of

tools/ci/test_build_system_cmake.sh

@@ -631,6 +631,32 @@ endmenu\n" >> ${IDF_PATH}/Kconfig
     git checkout -- sdkconfig.rename Kconfig
     popd
 
+    echo "Can have target specific deprecated Kconfig options"
+    idf.py clean
+    rm -f sdkconfig
+    echo "CONFIG_TEST_OLD_OPTION=y" > sdkconfig
+    echo "CONFIG_TEST_OLD_OPTION CONFIG_TEST_NEW_OPTION" >> ${IDF_PATH}/components/esp_system/sdkconfig.rename.esp32s2
+    echo -e "\n\
+    menu \"test\"\n\
+    config TEST_NEW_OPTION\n\
+        bool \"TEST_NEW_OPTION\"\n\
+        default y\n\
+        help\n\
+            TEST_NEW_OPTION description\n\
+    endmenu\n" >> ${IDF_PATH}/Kconfig
+    idf.py set-target esp32 > /dev/null
+    grep "CONFIG_TEST_OLD_OPTION=y" sdkconfig && failure "CONFIG_TEST_OLD_OPTION=y should NOT be in sdkconfig"
+    grep "CONFIG_TEST_NEW_OPTION=y" sdkconfig || failure "CONFIG_TEST_NEW_OPTION=y should be in sdkconfig"
+    rm -f sdkconfig
+    idf.py set-target esp32s2 > /dev/null
+    grep "CONFIG_TEST_OLD_OPTION=y" sdkconfig || failure "CONFIG_TEST_OLD_OPTION=y should be in esp32s2's sdkconfig for backward compatibility"
+    grep "CONFIG_TEST_NEW_OPTION=y" sdkconfig || failure "CONFIG_TEST_NEW_OPTION=y should be in sdkconfig"
+    rm -rf sdkconfig sdkconfig.defaults build
+    pushd ${IDF_PATH}
+    git checkout -- components/esp_system/sdkconfig.rename.esp32s2 Kconfig
+    popd
+
+
     print_status "Confserver can be invoked by idf.py"
     echo '{"version": 1}' | idf.py confserver || failure "Couldn't load confserver"
 

tools/cmake/kconfig.cmake

@@ -22,6 +22,9 @@ function(__kconfig_component_init component_target)
     list(SORT kconfig)
     __component_set_property(${component_target} KCONFIG_PROJBUILD "${kconfig}")
     file(GLOB sdkconfig_rename "${component_dir}/sdkconfig.rename")
+    file(GLOB sdkconfig_rename_target "${component_dir}/sdkconfig.rename.${IDF_TARGET}")
+
+    list(APPEND sdkconfig_rename ${sdkconfig_rename_target})
     list(SORT sdkconfig_rename)
     __component_set_property(${component_target} SDKCONFIG_RENAME "${sdkconfig_rename}")
 endfunction()