mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
3a7ec8acfa
These were called from IRAM context where the caller expect them to be inlined and accessible when cache is disabled. This was not the case when compiled with -O0. Closes https://github.com/espressif/esp-idf/issues/8301
762 lines
29 KiB
C
762 lines
29 KiB
C
/*
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* FreeRTOS Kernel V10.4.3
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifndef __ASSEMBLER__
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#include "sdkconfig.h"
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include <xtensa/config/core.h>
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#include <xtensa/hal.h> /* required for xthal_get_ccount. [refactor-todo] use cpu_hal instead */
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#include <xtensa/xtruntime.h> /* required for XTOS_SET_INTLEVEL. [refactor-todo] add common intr functions to esp_hw_support */
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#include "xt_instr_macros.h"
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#include "soc/spinlock.h"
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#include "hal/cpu_hal.h"
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#include "esp_private/crosscore_int.h"
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#include "esp_attr.h"
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#include "esp_timer.h" /* required for esp_timer_get_time. [refactor-todo] make this common between archs */
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#include "esp_newlib.h" /* required for esp_reent_init() in tasks.c */
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#include "esp_heap_caps.h"
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#include "esp_rom_sys.h"
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#include "esp_system.h" /* required by esp_get_...() functions in portable.h. [refactor-todo] Update portable.h */
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#include "portbenchmark.h"
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/* [refactor-todo] These includes are not directly used in this file. They are kept into to prevent a breaking change. Remove these. */
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#include <limits.h>
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#include <xtensa/config/system.h>
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#include <xtensa/xtensa_api.h>
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#include "soc/cpu.h"
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#ifdef CONFIG_LEGACY_INCLUDE_COMMON_HEADERS
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#include "soc/soc_memory_layout.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* --------------------------------------------------- Port Types ------------------------------------------------------
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* - Port specific types.
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* - The settings in this file configure FreeRTOS correctly for the given hardware and compiler.
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* - These settings should not be altered.
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* - The port types must come before first as they are used further down the file
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* ------------------------------------------------------------------------------------------------------------------ */
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#define portCHAR int8_t
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG int32_t
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#define portSHORT int16_t
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#define portSTACK_TYPE uint8_t
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#define portBASE_TYPE int
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typedef portSTACK_TYPE StackType_t;
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typedef portBASE_TYPE BaseType_t;
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typedef unsigned portBASE_TYPE UBaseType_t;
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#if( configUSE_16_BIT_TICKS == 1 )
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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#else
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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#endif
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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/* ----------------------------------------------- Port Configurations -------------------------------------------------
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* - Configurations values supplied by each port
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* - Required by FreeRTOS
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* ------------------------------------------------------------------------------------------------------------------ */
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#define portCRITICAL_NESTING_IN_TCB 0
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 4
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#define portNOP() XT_NOP()
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/* ---------------------------------------------- Forward Declarations -------------------------------------------------
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* - Forward declarations of all the port functions and macros need to implement the FreeRTOS porting interface
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* - These must come before definition/declaration of the FreeRTOS porting interface
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* ------------------------------------------------------------------------------------------------------------------ */
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// --------------------- Interrupts ------------------------
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/**
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* @brief Checks if the current core is in an ISR context
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*
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* - ISR context consist of Low/Mid priority ISR, or time tick ISR
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* - High priority ISRs aren't detected here, but they normally cannot call C code, so that should not be an issue anyway.
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*
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* @note [refactor-todo] Check if this should be inlined
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* @return
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* - pdTRUE if in ISR
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* - pdFALSE otherwise
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*/
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BaseType_t xPortInIsrContext(void);
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/**
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* @brief Asserts if in ISR context
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*
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* - Asserts on xPortInIsrContext() internally
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*
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* @note [refactor-todo] Check if this API is still required
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* @note [refactor-todo] Check if this should be inlined
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*/
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void vPortAssertIfInISR(void);
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/**
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* @brief Check if in ISR context from High priority ISRs
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*
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* - Called from High priority ISR
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* - Checks if the previous context (before high priority interrupt) was in ISR context (meaning low/med priority)
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*
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* @note [refactor-todo] Check if this should be inlined
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* @return
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* - pdTRUE if in previous in ISR context
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* - pdFALSE otherwise
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*/
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BaseType_t xPortInterruptedFromISRContext(void);
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/**
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* @brief Disable interrupts in a nested manner (meant to be called from ISRs)
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*
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* @warning Only applies to current CPU.
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* @return UBaseType_t Previous interrupt level
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*/
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static inline UBaseType_t xPortSetInterruptMaskFromISR(void);
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/**
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* @brief Reenable interrupts in a nested manner (meant to be called from ISRs)
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*
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* @warning Only applies to current CPU.
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* @param prev_level Previous interrupt level
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*/
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static inline void vPortClearInterruptMaskFromISR(UBaseType_t prev_level);
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/* ---------------------- Spinlocks ------------------------
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* - Modifications made to critical sections to support SMP
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* - See "Critical Sections & Disabling Interrupts" in docs/api-guides/freertos-smp.rst for more details
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* - Remark: For the ESP32, portENTER_CRITICAL and portENTER_CRITICAL_ISR both alias vPortEnterCritical, meaning that
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* either function can be called both from ISR as well as task context. This is not standard FreeRTOS
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* behaviorr; please keep this in mind if you need any compatibility with other FreeRTOS implementations.
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* @note [refactor-todo] Check if these comments are still true
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* ------------------------------------------------------ */
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typedef spinlock_t portMUX_TYPE; /**< Spinlock type used by FreeRTOS critical sections */
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#define portMUX_INITIALIZER_UNLOCKED SPINLOCK_INITIALIZER /**< Spinlock initializer */
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#define portMUX_FREE_VAL SPINLOCK_FREE /**< Spinlock is free. [refactor-todo] check if this is still required */
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#define portMUX_NO_TIMEOUT SPINLOCK_WAIT_FOREVER /**< When passed for 'timeout_cycles', spin forever if necessary. [refactor-todo] check if this is still required */
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#define portMUX_TRY_LOCK SPINLOCK_NO_WAIT /**< Try to acquire the spinlock a single time only. [refactor-todo] check if this is still required */
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#define portMUX_INITIALIZE(mux) spinlock_initialize(mux) /*< Initialize a spinlock to its unlocked state */
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// ------------------ Critical Sections --------------------
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/**
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* @brief Enter a SMP critical section with a timeout
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*
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* This function enters an SMP critical section by disabling interrupts then
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* taking a spinlock with a specified timeout.
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*
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* This function can be called in a nested manner.
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*
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* @note This function is made non-inline on purpose to reduce code size
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* @param mux Spinlock
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* @param timeout Timeout to wait for spinlock in number of CPU cycles.
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* Use portMUX_NO_TIMEOUT to wait indefinitely
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* Use portMUX_TRY_LOCK to only getting the spinlock a single time
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* @retval pdPASS Critical section entered (spinlock taken)
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* @retval pdFAIL If timed out waiting for spinlock (will not occur if using portMUX_NO_TIMEOUT)
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*/
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BaseType_t xPortEnterCriticalTimeout(portMUX_TYPE *mux, BaseType_t timeout);
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/**
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* @brief Enter a SMP critical section
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*
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* This function enters an SMP critical section by disabling interrupts then
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* taking a spinlock with an unlimited timeout.
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*
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* This function can be called in a nested manner
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*
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* @param[in] mux Spinlock
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*/
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static inline void __attribute__((always_inline)) vPortEnterCritical(portMUX_TYPE *mux);
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/**
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* @brief Exit a SMP critical section
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*
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* This function can be called in a nested manner. On the outer most level of nesting, this function will:
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*
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* - Release the spinlock
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* - Restore the previous interrupt level before the critical section was entered
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*
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* If still nesting, this function simply decrements a critical nesting count
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*
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* @note This function is made non-inline on purpose to reduce code size
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* @param[in] mux Spinlock
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*/
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void vPortExitCritical(portMUX_TYPE *mux);
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/**
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* @brief FreeRTOS Compliant version of xPortEnterCriticalTimeout()
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*
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* Compliant version of xPortEnterCriticalTimeout() will ensure that this is
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* called from a task context only. An abort is called otherwise.
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*
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* @note This function is made non-inline on purpose to reduce code size
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*
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* @param mux Spinlock
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* @param timeout Timeout
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* @return BaseType_t
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*/
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BaseType_t xPortEnterCriticalTimeoutCompliance(portMUX_TYPE *mux, BaseType_t timeout);
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/**
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* @brief FreeRTOS compliant version of vPortEnterCritical()
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*
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* Compliant version of vPortEnterCritical() will ensure that this is
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* called from a task context only. An abort is called otherwise.
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*
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* @param[in] mux Spinlock
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*/
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static inline void __attribute__((always_inline)) vPortEnterCriticalCompliance(portMUX_TYPE *mux);
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/**
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* @brief FreeRTOS compliant version of vPortExitCritical()
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*
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* Compliant version of vPortExitCritical() will ensure that this is
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* called from a task context only. An abort is called otherwise.
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*
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* @note This function is made non-inline on purpose to reduce code size
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* @param[in] mux Spinlock
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*/
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void vPortExitCriticalCompliance(portMUX_TYPE *mux);
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/**
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* @brief Safe version of enter critical timeout
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*
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* Safe version of enter critical will automatically select between
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* portTRY_ENTER_CRITICAL() and portTRY_ENTER_CRITICAL_ISR()
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*
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* @param mux Spinlock
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* @param timeout Timeout
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* @return BaseType_t
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*/
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static inline BaseType_t __attribute__((always_inline)) xPortEnterCriticalTimeoutSafe(portMUX_TYPE *mux, BaseType_t timeout);
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/**
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* @brief Safe version of enter critical
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*
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* Safe version of enter critical will automatically select between
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* portENTER_CRITICAL() and portENTER_CRITICAL_ISR()
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*
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* @param[in] mux Spinlock
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*/
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static inline void __attribute__((always_inline)) vPortEnterCriticalSafe(portMUX_TYPE *mux);
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/**
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* @brief Safe version of exit critical
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*
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* Safe version of enter critical will automatically select between
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* portEXIT_CRITICAL() and portEXIT_CRITICAL_ISR()
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*
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* @param[in] mux Spinlock
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*/
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static inline void __attribute__((always_inline)) vPortExitCriticalSafe(portMUX_TYPE *mux);
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// ---------------------- Yielding -------------------------
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/**
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* @brief Perform a solicited context switch
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*
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* - Defined in portasm.S
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*
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* @note [refactor-todo] The rest of ESP-IDF should call taskYield() instead
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*/
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void vPortYield( void );
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/**
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* @brief
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*
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* @note [refactor-todo] Refactor this to avoid va_args
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* @param argc
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* @param ... Variable arguments to allow for IDF prototype without arguments, and vanilla version WITH argument
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*/
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void vPortEvaluateYieldFromISR(int argc, ...);
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/**
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* @brief Yields the other core
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*
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* - Send an interrupt to another core in order to make the task running on it yield for a higher-priority task.
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* - Can be used to yield current core as well
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*
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* @note [refactor-todo] Put this into private macros as its only called from task.c and is not public API
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* @param coreid ID of core to yield
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*/
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void vPortYieldOtherCore(BaseType_t coreid);
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/**
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* @brief Checks if the current core can yield
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*
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* - A core cannot yield if its in an ISR or in a critical section
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*
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* @note [refactor-todo] See if this can be separated from port macro
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* @return true Core can yield
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* @return false Core cannot yield
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*/
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static inline bool IRAM_ATTR xPortCanYield(void);
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// ------------------- Hook Functions ----------------------
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extern void esp_vApplicationIdleHook(void); /* Required by tasks.c */
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extern void esp_vApplicationTickHook(void); /* Required by tasks.c */
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/**
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* @brief Hook function called on entry to tickless idle
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*
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* - Implemented in pm_impl.c
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*
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* @param xExpectedIdleTime Expected idle time
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*/
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void vApplicationSleep(TickType_t xExpectedIdleTime);
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// ----------------------- System --------------------------
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/**
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* @brief Get the tick rate per second
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*
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* @note [refactor-todo] make this inline
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* @return uint32_t Tick rate in Hz
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*/
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uint32_t xPortGetTickRateHz(void);
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/**
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* @brief Set a watchpoint to watch the last 32 bytes of the stack
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*
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* Callback to set a watchpoint on the end of the stack. Called every context switch to change the stack watchpoint
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* around.
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*
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* @param pxStackStart Pointer to the start of the stack
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*/
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void vPortSetStackWatchpoint( void *pxStackStart );
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/**
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* @brief Get the current core's ID
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*
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* @note [refactor-todo] IDF should call a FreeRTOS like macro instead of port function directly
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* @return BaseType_t Core ID
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*/
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static inline BaseType_t IRAM_ATTR xPortGetCoreID(void);
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/**
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* @brief Wrapper for atomic compare-and-set instruction
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*
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* This subroutine will atomically compare *addr to 'compare'. If *addr == compare, *addr is set to *set. *set is
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* updated with the previous value of *addr (either 'compare' or some other value.)
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*
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* @warning From the ISA docs: in some (unspecified) cases, the s32c1i instruction may return the "bitwise inverse" of
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* the old mem if the mem wasn't written. This doesn't seem to happen on the ESP32 (portMUX assertions would
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* fail).
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*
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* @note [refactor-todo] Check if this can be deprecated
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* @note [refactor-todo] Check if this function should be renamed (due to void return type)
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*
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* @param[inout] addr Pointer to target address
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* @param[in] compare Compare value
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* @param[inout] set Pointer to set value
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*/
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static inline void __attribute__((always_inline)) uxPortCompareSet(volatile uint32_t *addr, uint32_t compare, uint32_t *set);
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/**
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* @brief Wrapper for atomic compare-and-set instruction in external RAM
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*
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* Atomic compare-and-set but the target address is placed in external RAM
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*
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* @note [refactor-todo] Check if this can be deprecated
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*
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* @param[inout] addr Pointer to target address
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* @param[in] compare Compare value
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* @param[inout] set Pointer to set value
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*/
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static inline void __attribute__((always_inline)) uxPortCompareSetExtram(volatile uint32_t *addr, uint32_t compare, uint32_t *set);
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/* ------------------------------------------- FreeRTOS Porting Interface ----------------------------------------------
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* - Contains all the mappings of the macros required by FreeRTOS
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* - Most come after forward declare as porting macros map to declared functions
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* - Maps to forward declared functions
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* ------------------------------------------------------------------------------------------------------------------ */
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// ----------------------- Memory --------------------------
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/**
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* @brief Task memory allocation macros
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*
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* @note Because the ROM routines don't necessarily handle a stack in external RAM correctly, we force the stack
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* memory to always be internal.
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* @note [refactor-todo] Update portable.h to match v10.4.3 to use new malloc prototypes
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*/
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#define portTcbMemoryCaps (MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT)
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#define portStackMemoryCaps (MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT)
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#define pvPortMallocTcbMem(size) heap_caps_malloc(size, portTcbMemoryCaps)
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#define pvPortMallocStackMem(size) heap_caps_malloc(size, portStackMemoryCaps)
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// --------------------- Interrupts ------------------------
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/**
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* - Only applies to current core
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* - These cannot be nested. They should be used with a lot of care and cannot be called from interrupt level.
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*
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* @note [refactor-todo] replace XTOS_SET_INTLEVEL with more efficient version, if any?
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*/
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#define portDISABLE_INTERRUPTS() do { XTOS_SET_INTLEVEL(XCHAL_EXCM_LEVEL); portbenchmarkINTERRUPT_DISABLE(); } while (0)
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#define portENABLE_INTERRUPTS() do { portbenchmarkINTERRUPT_RESTORE(0); XTOS_SET_INTLEVEL(0); } while (0)
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/**
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* ISR versions to enable/disable interrupts
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*/
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#define portSET_INTERRUPT_MASK_FROM_ISR() xPortSetInterruptMaskFromISR()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR(prev_level) vPortClearInterruptMaskFromISR(prev_level)
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#define portASSERT_IF_IN_ISR() vPortAssertIfInISR()
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// ------------------ Critical Sections --------------------
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/**
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* @brief FreeRTOS critical section macros
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*
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* - Added a spinlock argument for SMP
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* - Can be nested
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* - Compliance versions will assert if regular critical section API is used in ISR context
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* - Safe versions can be called from either contexts
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*/
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#ifdef CONFIG_FREERTOS_CHECK_PORT_CRITICAL_COMPLIANCE
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#define portTRY_ENTER_CRITICAL(mux, timeout) xPortEnterCriticalTimeoutCompliance(mux, timeout)
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|
#define portENTER_CRITICAL(mux) vPortEnterCriticalCompliance(mux)
|
|
#define portEXIT_CRITICAL(mux) vPortExitCriticalCompliance(mux)
|
|
#else
|
|
#define portTRY_ENTER_CRITICAL(mux, timeout) xPortEnterCriticalTimeout(mux, timeout)
|
|
#define portENTER_CRITICAL(mux) vPortEnterCritical(mux)
|
|
#define portEXIT_CRITICAL(mux) vPortExitCritical(mux)
|
|
#endif /* CONFIG_FREERTOS_CHECK_PORT_CRITICAL_COMPLIANCE */
|
|
|
|
#define portTRY_ENTER_CRITICAL_ISR(mux, timeout) xPortEnterCriticalTimeout(mux, timeout)
|
|
#define portENTER_CRITICAL_ISR(mux) vPortEnterCritical(mux)
|
|
#define portEXIT_CRITICAL_ISR(mux) vPortExitCritical(mux)
|
|
|
|
#define portTRY_ENTER_CRITICAL_SAFE(mux, timeout) xPortEnterCriticalTimeoutSafe(mux)
|
|
#define portENTER_CRITICAL_SAFE(mux) vPortEnterCriticalSafe(mux)
|
|
#define portEXIT_CRITICAL_SAFE(mux) vPortExitCriticalSafe(mux)
|
|
|
|
// ---------------------- Yielding -------------------------
|
|
|
|
#define portYIELD() vPortYield()
|
|
|
|
/**
|
|
* @note The macro below could be used when passing a single argument, or without any argument,
|
|
* it was developed to support both usages of portYIELD inside of an ISR. Any other usage form
|
|
* might result in undesired behavior
|
|
*
|
|
* @note [refactor-todo] Refactor this to avoid va_args
|
|
*/
|
|
#if defined(__cplusplus) && (__cplusplus > 201703L)
|
|
#define portYIELD_FROM_ISR(...) vPortEvaluateYieldFromISR(portGET_ARGUMENT_COUNT(__VA_ARGS__) __VA_OPT__(,) __VA_ARGS__)
|
|
#else
|
|
#define portYIELD_FROM_ISR(...) vPortEvaluateYieldFromISR(portGET_ARGUMENT_COUNT(__VA_ARGS__), ##__VA_ARGS__)
|
|
#endif
|
|
|
|
/* Yielding within an API call (when interrupts are off), means the yield should be delayed
|
|
until interrupts are re-enabled.
|
|
|
|
To do this, we use the "cross-core" interrupt as a trigger to yield on this core when interrupts are re-enabled.This
|
|
is the same interrupt & code path which is used to trigger a yield between CPUs, although in this case the yield is
|
|
happening on the same CPU.
|
|
*/
|
|
#define portYIELD_WITHIN_API() esp_crosscore_int_send_yield(xPortGetCoreID())
|
|
|
|
// ------------------- Hook Functions ----------------------
|
|
|
|
#ifndef CONFIG_FREERTOS_LEGACY_HOOKS
|
|
#define vApplicationIdleHook esp_vApplicationIdleHook
|
|
#define vApplicationTickHook esp_vApplicationTickHook
|
|
#endif /* !CONFIG_FREERTOS_LEGACY_HOOKS */
|
|
|
|
#define portSUPPRESS_TICKS_AND_SLEEP(idleTime) vApplicationSleep(idleTime)
|
|
|
|
// ------------------- Run Time Stats ----------------------
|
|
|
|
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS()
|
|
|
|
/**
|
|
* - Fine resolution uses ccount
|
|
* - ALT is coarse and uses esp_timer
|
|
* @note [refactor-todo] Make fine and alt timers mutually exclusive
|
|
*/
|
|
#define portGET_RUN_TIME_COUNTER_VALUE() xthal_get_ccount()
|
|
#ifdef CONFIG_FREERTOS_RUN_TIME_STATS_USING_ESP_TIMER
|
|
#define portALT_GET_RUN_TIME_COUNTER_VALUE(x) do {x = (uint32_t)esp_timer_get_time();} while(0)
|
|
#endif
|
|
|
|
// -------------- Optimized Task Selection -----------------
|
|
|
|
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
|
|
/* Check the configuration. */
|
|
#if( configMAX_PRIORITIES > 32 )
|
|
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 different priorities as tasks that share a priority will time slice.
|
|
#endif
|
|
|
|
/* Store/clear the ready priorities in a bit map. */
|
|
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
|
|
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
|
|
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __builtin_clz( ( uxReadyPriorities ) ) )
|
|
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
|
|
|
|
|
|
|
|
/* --------------------------------------------- Inline Implementations ------------------------------------------------
|
|
* - Implementation of inline functions of the forward declares
|
|
* - Should come after forward declare and FreeRTOS Porting interface, as implementation may use both.
|
|
* - For implementation of non-inlined functions, see port.c
|
|
* ------------------------------------------------------------------------------------------------------------------ */
|
|
|
|
// --------------------- Interrupts ------------------------
|
|
|
|
static inline UBaseType_t __attribute__((always_inline)) xPortSetInterruptMaskFromISR(void)
|
|
{
|
|
UBaseType_t prev_int_level = XTOS_SET_INTLEVEL(XCHAL_EXCM_LEVEL);
|
|
portbenchmarkINTERRUPT_DISABLE();
|
|
return prev_int_level;
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) vPortClearInterruptMaskFromISR(UBaseType_t prev_level)
|
|
{
|
|
portbenchmarkINTERRUPT_RESTORE(prev_level);
|
|
XTOS_RESTORE_JUST_INTLEVEL(prev_level);
|
|
}
|
|
|
|
// ------------------ Critical Sections --------------------
|
|
|
|
static inline void __attribute__((always_inline)) vPortEnterCritical(portMUX_TYPE *mux)
|
|
{
|
|
xPortEnterCriticalTimeout(mux, portMUX_NO_TIMEOUT);
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) vPortEnterCriticalCompliance(portMUX_TYPE *mux)
|
|
{
|
|
xPortEnterCriticalTimeoutCompliance(mux, portMUX_NO_TIMEOUT);
|
|
}
|
|
|
|
static inline BaseType_t __attribute__((always_inline)) xPortEnterCriticalTimeoutSafe(portMUX_TYPE *mux, BaseType_t timeout)
|
|
{
|
|
BaseType_t ret;
|
|
if (xPortInIsrContext()) {
|
|
ret = portTRY_ENTER_CRITICAL_ISR(mux, timeout);
|
|
} else {
|
|
ret = portTRY_ENTER_CRITICAL(mux, timeout);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) vPortEnterCriticalSafe(portMUX_TYPE *mux)
|
|
{
|
|
xPortEnterCriticalTimeoutSafe(mux, portMUX_NO_TIMEOUT);
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) vPortExitCriticalSafe(portMUX_TYPE *mux)
|
|
{
|
|
if (xPortInIsrContext()) {
|
|
portEXIT_CRITICAL_ISR(mux);
|
|
} else {
|
|
portEXIT_CRITICAL(mux);
|
|
}
|
|
}
|
|
|
|
// ---------------------- Yielding -------------------------
|
|
|
|
static inline bool IRAM_ATTR xPortCanYield(void)
|
|
{
|
|
uint32_t ps_reg = 0;
|
|
|
|
//Get the current value of PS (processor status) register
|
|
RSR(PS, ps_reg);
|
|
|
|
/*
|
|
* intlevel = (ps_reg & 0xf);
|
|
* excm = (ps_reg >> 4) & 0x1;
|
|
* CINTLEVEL is max(excm * EXCMLEVEL, INTLEVEL), where EXCMLEVEL is 3.
|
|
* However, just return true, only intlevel is zero.
|
|
*/
|
|
|
|
return ((ps_reg & PS_INTLEVEL_MASK) == 0);
|
|
}
|
|
|
|
// ----------------------- System --------------------------
|
|
|
|
static inline BaseType_t IRAM_ATTR xPortGetCoreID(void)
|
|
{
|
|
return (uint32_t) cpu_hal_get_core_id();
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) uxPortCompareSet(volatile uint32_t *addr, uint32_t compare, uint32_t *set)
|
|
{
|
|
compare_and_set_native(addr, compare, set);
|
|
}
|
|
|
|
static inline void __attribute__((always_inline)) uxPortCompareSetExtram(volatile uint32_t *addr, uint32_t compare, uint32_t *set)
|
|
{
|
|
#ifdef CONFIG_SPIRAM
|
|
compare_and_set_extram(addr, compare, set);
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
/* ------------------------------------------------------ Misc ---------------------------------------------------------
|
|
* - Miscellaneous porting macros
|
|
* - These are not port of the FreeRTOS porting interface, but are used by other FreeRTOS dependent components
|
|
* - [refactor-todo] Remove dependency on MPU wrappers by modifying TCB
|
|
* ------------------------------------------------------------------------------------------------------------------ */
|
|
|
|
// -------------------- Co-Processor -----------------------
|
|
|
|
// When coprocessors are defined, we maintain a pointer to coprocessors area.
|
|
// We currently use a hack: redefine field xMPU_SETTINGS in TCB block as a structure that can hold:
|
|
// MPU wrappers, coprocessor area pointer, trace code structure, and more if needed.
|
|
// The field is normally used for memory protection. FreeRTOS should create another general purpose field.
|
|
typedef struct {
|
|
#if XCHAL_CP_NUM > 0
|
|
volatile StackType_t *coproc_area; // Pointer to coprocessor save area; MUST BE FIRST
|
|
#endif
|
|
|
|
#if portUSING_MPU_WRAPPERS
|
|
// Define here mpu_settings, which is port dependent
|
|
int mpu_setting; // Just a dummy example here; MPU not ported to Xtensa yet
|
|
#endif
|
|
} xMPU_SETTINGS;
|
|
|
|
// Main hack to use MPU_wrappers even when no MPU is defined (warning: mpu_setting should not be accessed; otherwise move this above xMPU_SETTINGS)
|
|
#if (XCHAL_CP_NUM > 0) && !portUSING_MPU_WRAPPERS // If MPU wrappers not used, we still need to allocate coproc area
|
|
#undef portUSING_MPU_WRAPPERS
|
|
#define portUSING_MPU_WRAPPERS 1 // Enable it to allocate coproc area
|
|
#define MPU_WRAPPERS_H // Override mpu_wrapper.h to disable unwanted code
|
|
#define PRIVILEGED_FUNCTION
|
|
#define PRIVILEGED_DATA
|
|
#endif
|
|
|
|
void _xt_coproc_release(volatile void *coproc_sa_base);
|
|
|
|
/*
|
|
* The structures and methods of manipulating the MPU are contained within the
|
|
* port layer.
|
|
*
|
|
* Fills the xMPUSettings structure with the memory region information
|
|
* contained in xRegions.
|
|
*/
|
|
#if( portUSING_MPU_WRAPPERS == 1 )
|
|
struct xMEMORY_REGION;
|
|
void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION *const xRegions, StackType_t *pxBottomOfStack, uint32_t usStackDepth ) PRIVILEGED_FUNCTION;
|
|
void vPortReleaseTaskMPUSettings( xMPU_SETTINGS *xMPUSettings );
|
|
#endif
|
|
|
|
// -------------------- VA_ARGS Yield ----------------------
|
|
|
|
/**
|
|
* Macro to count number of arguments of a __VA_ARGS__ used to support portYIELD_FROM_ISR with,
|
|
* or without arguments. The macro counts only 0 or 1 arguments.
|
|
*
|
|
* In the future, we want to switch to C++20. We also want to become compatible with clang.
|
|
* Hence, we provide two versions of the following macros which are using variadic arguments.
|
|
* The first one is using the GNU extension ##__VA_ARGS__. The second one is using the C++20 feature __VA_OPT__(,).
|
|
* This allows users to compile their code with standard C++20 enabled instead of the GNU extension.
|
|
* Below C++20, we haven't found any good alternative to using ##__VA_ARGS__.
|
|
*/
|
|
#if defined(__cplusplus) && (__cplusplus > 201703L)
|
|
#define portGET_ARGUMENT_COUNT(...) portGET_ARGUMENT_COUNT_INNER(0 __VA_OPT__(,) __VA_ARGS__,1,0)
|
|
#else
|
|
#define portGET_ARGUMENT_COUNT(...) portGET_ARGUMENT_COUNT_INNER(0, ##__VA_ARGS__,1,0)
|
|
#endif
|
|
#define portGET_ARGUMENT_COUNT_INNER(zero, one, count, ...) count
|
|
|
|
_Static_assert(portGET_ARGUMENT_COUNT() == 0, "portGET_ARGUMENT_COUNT() result does not match for 0 arguments");
|
|
_Static_assert(portGET_ARGUMENT_COUNT(1) == 1, "portGET_ARGUMENT_COUNT() result does not match for 1 argument");
|
|
|
|
// -------------------- Heap Related -----------------------
|
|
|
|
/**
|
|
* @brief Checks if a given piece of memory can be used to store a task's TCB
|
|
*
|
|
* - Defined in port_common.c
|
|
*
|
|
* @param ptr Pointer to memory
|
|
* @return true Memory can be used to store a TCB
|
|
* @return false Otherwise
|
|
*/
|
|
bool xPortCheckValidTCBMem(const void *ptr);
|
|
|
|
/**
|
|
* @brief Checks if a given piece of memory can be used to store a task's stack
|
|
*
|
|
* - Defined in port_common.c
|
|
*
|
|
* @param ptr Pointer to memory
|
|
* @return true Memory can be used to store a task stack
|
|
* @return false Otherwise
|
|
*/
|
|
bool xPortcheckValidStackMem(const void *ptr);
|
|
|
|
#define portVALID_TCB_MEM(ptr) xPortCheckValidTCBMem(ptr)
|
|
#define portVALID_STACK_MEM(ptr) xPortcheckValidStackMem(ptr)
|
|
|
|
|
|
|
|
/* ---------------------------------------------------- Deprecate ------------------------------------------------------
|
|
* - Pull in header containing deprecated macros here
|
|
* ------------------------------------------------------------------------------------------------------------------ */
|
|
|
|
#include "portmacro_deprecated.h"
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __ASSEMBLER__
|
|
|
|
#endif /* PORTMACRO_H */
|