freertos: always enable static allocation

to use it for newlib locks

components/driver/Kconfig

@@ -76,11 +76,6 @@ menu "Driver configurations"
         config TWAI_ISR_IN_IRAM
             bool "Place TWAI ISR function into IRAM"
             default n
-            select FREERTOS_SUPPORT_STATIC_ALLOCATION
-            # We need to enable FREERTOS_SUPPORT_STATIC_ALLOCATION because the
-            # TWAI driver requires the use of FreeRTOS Queues and Semaphores from
-            # the driver ISR. These Queues and Semaphores need to be placed in
-            # DRAM thus FreeRTOS static allocation API is required.
             help
                 Place the TWAI ISR in to IRAM. This will allow the ISR to avoid
                 cache misses, and also be able to run whilst the cache is disabled

components/esp_ringbuf/include/freertos/ringbuf.h

@@ -64,8 +64,6 @@ typedef enum {
  * buffer where this struct is of the exact size required to store a ring
  * buffer's control data structure.
  *
- * @note The CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION option must be enabled for
- *       this structure to be available.
  */
 #if ( configSUPPORT_STATIC_ALLOCATION == 1)
 typedef struct xSTATIC_RINGBUFFER {
@@ -117,9 +115,6 @@ RingbufHandle_t xRingbufferCreateNoSplit(size_t xItemSize, size_t xItemNum);
  * @param[in]   pxStaticRingbuffer Pointed to a struct of type StaticRingbuffer_t
  *              which will be used to hold the ring buffer's data structure
  *
- * @note    The CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION option must be enabled
- *          for this to be available
- *
  * @note    xBufferSize of no-split/allow-split buffers MUST be 32-bit aligned.
  *
  * @return  A handle to the created ring buffer

components/esp_system/test/test_sleep.c

@@ -290,7 +290,6 @@ TEST_CASE_MULTIPLE_STAGES("can set sleep wake stub", "[deepsleep][reset=DEEPSLEE
 
 
 #if CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
-#if CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
 
 /* Version of prepare_wake_stub() that sets up the deep sleep call while running
    from RTC memory as stack, with a high frequency timer also writing RTC FAST
@@ -346,7 +345,6 @@ TEST_CASE_MULTIPLE_STAGES("can set sleep wake stub from stack in RTC RAM", "[dee
         prepare_wake_stub_from_rtc,
         check_wake_stub);
 
-#endif // CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
 #endif // CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
 
 TEST_CASE("wake up using ext0 (13 high)", "[deepsleep][ignore]")

components/freertos/Kconfig

@@ -205,36 +205,14 @@ menu "FreeRTOS"
             For most uses, the default of 16 is OK.
 
     config FREERTOS_SUPPORT_STATIC_ALLOCATION
-        bool "Enable FreeRTOS static allocation API"
+        # Always enabled.
-        default n
+        # Kconfig option preserved for compatibility with code
-        help
+        # which checked for CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION.
-            FreeRTOS gives the application writer the ability to instead provide the memory
+        bool
-            themselves, allowing the following objects to optionally be created without any
+        default y
-            memory being allocated dynamically:
-
-            - Tasks
-            - Software Timers (Daemon task is still dynamic. See documentation)
-            - Queues
-            - Event Groups
-            - Binary Semaphores
-            - Counting Semaphores
-            - Recursive Semaphores
-            - Mutexes
-
-            Whether it is preferable to use static or dynamic memory allocation is dependent on
-            the application, and the preference of the application writer. Both methods have pros
-            and cons, and both methods can be used within the same RTOS application.
-
-            Creating RTOS objects using statically allocated RAM has the benefit of providing the application writer
-            with more control: RTOS objects can be placed at specific memory locations. The maximum RAM footprint can
-            be determined at link time, rather than run time. The application writer does not need to concern
-            themselves with graceful handling of memory allocation failures. It allows the RTOS to be used in
-            applications that simply don't allow any dynamic memory allocation (although FreeRTOS includes allocation
-            schemes that can overcome most objections).
 
     config FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP
         bool "Enable static task clean up hook"
-        depends on FREERTOS_SUPPORT_STATIC_ALLOCATION
         default n
         help
             Enable this option to make FreeRTOS call the static task clean up hook when a task is deleted.

components/freertos/port/riscv/include/freertos/FreeRTOSConfig.h

@@ -239,7 +239,7 @@
    kept at 1. */
 #define configKERNEL_INTERRUPT_PRIORITY		1
 #define configSUPPORT_DYNAMIC_ALLOCATION    1
-#define configSUPPORT_STATIC_ALLOCATION CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
+#define configSUPPORT_STATIC_ALLOCATION     1
 
 #ifndef __ASSEMBLER__
 #if CONFIG_FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP

components/freertos/port/xtensa/include/freertos/FreeRTOSConfig.h

@@ -291,7 +291,7 @@ int xt_clock_freq(void) __attribute__((deprecated));
 #define configUSE_NEWLIB_REENTRANT		1
 
 #define configSUPPORT_DYNAMIC_ALLOCATION    1
-#define configSUPPORT_STATIC_ALLOCATION CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
+#define configSUPPORT_STATIC_ALLOCATION     1
 
 #ifndef __ASSEMBLER__
 #if CONFIG_FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP

components/freertos/sdkconfig.rename

@@ -1,7 +1,6 @@
 # sdkconfig replacement configurations for deprecated options formatted as
 # CONFIG_DEPRECATED_OPTION CONFIG_NEW_OPTION
 
-CONFIG_SUPPORT_STATIC_ALLOCATION            CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
 CONFIG_ENABLE_STATIC_TASK_CLEAN_UP_HOOK     CONFIG_FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP
 CONFIG_TIMER_TASK_PRIORITY                  CONFIG_FREERTOS_TIMER_TASK_PRIORITY
 CONFIG_TIMER_TASK_STACK_DEPTH               CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH

components/freertos/test/test_freertos_backported_functions.c

@@ -29,7 +29,6 @@
 #include "unity.h"
 #include "test_utils.h"
 
-#ifdef CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
 /* ---------------------Test 1: Backported Timer functions-----------------------
  * Test xTimerCreateStatic(), vTimerSetTimerId(), xTimerGetPeriod(), xTimerGetExpiryTime()
  *
@@ -201,7 +200,6 @@ TEST_CASE("Test FreeRTOS backported eventgroup functions", "[freertos]")
     //Cleanup static event
     vEventGroupDelete(eg_handle);
 }
-#endif
 
 /* --------Test backported thread local storage pointer and deletion cb feature----------
  * vTaskSetThreadLocalStoragePointerAndDelCallback()

components/freertos/test/test_timers.c

@@ -69,7 +69,6 @@ TEST_CASE("Recurring FreeRTOS timers", "[freertos]")
     TEST_ASSERT( xTimerDelete(recurring, 1) );
 }
 
-#ifdef CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION
 TEST_CASE("Static timer creation", "[freertos]")
 {
     StaticTimer_t static_timer;
@@ -84,4 +83,3 @@ TEST_CASE("Static timer creation", "[freertos]")
 
     TEST_ASSERT_NOT_NULL(created_timer);
 }
-#endif

components/spi_flash/Kconfig

@@ -104,7 +104,6 @@ menu "SPI Flash driver"
         # The bus lock on SPI1 is meaningless when the legacy implementation is used, or the SPI
         # driver does not support SPI1.
         depends on !SPI_FLASH_USE_LEGACY_IMPL && !IDF_TARGET_ESP32S2
-        select FREERTOS_SUPPORT_STATIC_ALLOCATION
         help
             Each SPI bus needs a lock for arbitration among devices. This allows multiple
             devices on a same bus, but may reduce the speed of esp_flash driver access to the

components/tinyusb/Kconfig

@@ -4,7 +4,6 @@ menu "TinyUSB"
         bool "Enable TinyUSB driver"
         default n
         depends on IDF_TARGET_ESP32S2
-        select FREERTOS_SUPPORT_STATIC_ALLOCATION
         select FREERTOS_USE_AUTHENTIC_INCLUDE_PATHS
         help
             Adds support for TinyUSB

docs/en/api-guides/freertos-smp.rst

@@ -438,9 +438,6 @@ ESP-IDF FreeRTOS configurations, see :doc:`FreeRTOS <../api-reference/kconfig>`
     will be modified. For more details regarding the effects of running ESP-IDF FreeRTOS
     on a single core, search for occurences of ``CONFIG_FREERTOS_UNICORE`` in the ESP-IDF components.
 
-:ref:`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` will enable the 
-functionality of :cpp:func:`xTaskCreateStaticPinnedToCore` in ESP-IDF FreeRTOS
-
 :ref:`CONFIG_FREERTOS_ASSERT_ON_UNTESTED_FUNCTION` will trigger a halt in
 particular functions in ESP-IDF FreeRTOS which have not been fully tested
 in an SMP context.

docs/en/api-reference/system/freertos_additions.rst

@@ -412,9 +412,6 @@ The :cpp:func:`xRingbufferCreateStatic` can be used to create ring buffers with
 
 The manner in which these blocks are allocated will depend on the users requirements (e.g. all blocks being statically declared, or dynamically allocated with specific capabilities such as external RAM).
 
-.. note::
-    The :ref:`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` option must be enabled in `menuconfig` for statically allocated ring buffers to be available.
-
 .. note::
     When deleting a ring buffer created via :cpp:func:`xRingbufferCreateStatic`,
     the function :cpp:func:`vRingbufferDelete` will not free any of the memory blocks. This must be done manually by the user after :cpp:func:`vRingbufferDelete` is called.

examples/bluetooth/esp_ble_mesh/ble_mesh_fast_provision/fast_prov_server/sdkconfig.ci.iram

@@ -14,7 +14,6 @@ CONFIG_BLE_MESH_PB_GATT=y
 CONFIG_BLE_MESH_CFG_CLI=y
 
 CONFIG_FREERTOS_UNICORE=y
-CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY=y
 CONFIG_BLE_MESH_MEM_ALLOC_MODE_IRAM_8BIT=y
 CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC=y

tools/unit-test-app/configs/freertos_options

@@ -12,7 +12,6 @@ CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
 CONFIG_FREERTOS_INTERRUPT_BACKTRACE=n
 CONFIG_FREERTOS_ASSERT_FAIL_PRINT_CONTINUE=y
 CONFIG_FREERTOS_LEGACY_HOOKS=y
-CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP=y
 CONFIG_FREERTOS_QUEUE_REGISTRY_SIZE=10
 CONFIG_FREERTOS_USE_TRACE_FACILITY=y

tools/unit-test-app/configs/freertos_options_s2

@@ -12,7 +12,6 @@ CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
 CONFIG_FREERTOS_INTERRUPT_BACKTRACE=n
 CONFIG_FREERTOS_ASSERT_FAIL_PRINT_CONTINUE=y
 CONFIG_FREERTOS_LEGACY_HOOKS=y
-CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_FREERTOS_ENABLE_STATIC_TASK_CLEAN_UP=y
 CONFIG_FREERTOS_QUEUE_REGISTRY_SIZE=10
 CONFIG_FREERTOS_USE_TRACE_FACILITY=y

tools/unit-test-app/sdkconfig.defaults

@@ -17,7 +17,6 @@ CONFIG_SPI_FLASH_DANGEROUS_WRITE_FAILS=y
 CONFIG_FREERTOS_QUEUE_REGISTRY_SIZE=7
 CONFIG_COMPILER_STACK_CHECK_MODE_STRONG=y
 CONFIG_COMPILER_STACK_CHECK=y
-CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_ESP_TIMER_PROFILING=y
 CONFIG_ADC_DISABLE_DAC=n
 CONFIG_COMPILER_WARN_WRITE_STRINGS=y