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+/*
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+ * FreeRTOS Kernel V10.2.1
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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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+
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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 <stdio.h>
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+#include <limits.h>
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+
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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+
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+#ifndef __ASSEMBLER__
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+
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+/*-----------------------------------------------------------
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+ * Port specific definitions.
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+ *
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+ * The settings in this file configure FreeRTOS correctly for the
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+ * given hardware and compiler.
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+ *
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+ * These settings should not be altered.
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+ *-----------------------------------------------------------
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+ */
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+
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+/* Type definitions. */
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+#define portCHAR uint8_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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+// interrupt module will mask interrupt with priority less than threshold
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+#define RVHAL_EXCM_LEVEL 4
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+
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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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+
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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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+/*------------------------------------------------------*/
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+
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+/* Architecture specifics. */
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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 16
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+/*-----------------------------------------------------------*/
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+
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+#define portCRITICAL_NESTING_IN_TCB 0
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+
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+/*
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+ * Send an interrupt to another core in order to make the task running
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+ * on it yield for a higher-priority task.
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+ */
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+void vPortYieldOtherCore(BaseType_t coreid);
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+
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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
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+ watchpoint around.
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+ */
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+void vPortSetStackWatchpoint(void *pxStackStart);
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+
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+/*
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+ * Returns true if the current core is in ISR context; low prio ISR, med prio ISR or timer tick ISR. High prio ISRs
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+ * 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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+BaseType_t xPortInIsrContext(void);
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+
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+/*
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+ * This function will be called in High prio ISRs. Returns true if the current core was in ISR context
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+ * before calling into high prio ISR context.
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+ */
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+BaseType_t xPortInterruptedFromISRContext(void);
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+
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+/* "mux" data structure (spinlock) */
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+typedef struct {
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+ /* owner field values:
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+ * 0 - Uninitialized (invalid)
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+ * portMUX_FREE_VAL - Mux is free, can be locked by either CPU
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+ * CORE_ID_REGVAL_PRO / CORE_ID_REGVAL_APP - Mux is locked to the particular core
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+ *
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+ *
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+ * Any value other than portMUX_FREE_VAL, CORE_ID_REGVAL_PRO, CORE_ID_REGVAL_APP indicates corruption
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+ */
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+ uint32_t owner;
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+ /* count field:
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+ * If mux is unlocked, count should be zero.
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+ * If mux is locked, count is non-zero & represents the number of recursive locks on the mux.
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+ */
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+ uint32_t count;
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+#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
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+ const char *lastLockedFn;
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+ int lastLockedLine;
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+#endif
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+} portMUX_TYPE;
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+
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+#define portMUX_FREE_VAL SPINLOCK_FREE
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+
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+/* Special constants for vPortCPUAcquireMutexTimeout() */
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+#define portMUX_NO_TIMEOUT SPINLOCK_WAIT_FOREVER /* When passed for 'timeout_cycles', spin forever if necessary */
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+#define portMUX_TRY_LOCK SPINLOCK_NO_WAIT /* Try to acquire the spinlock a single time only */
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+
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+// Keep this in sync with the portMUX_TYPE struct definition please.
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+#ifndef CONFIG_FREERTOS_PORTMUX_DEBUG
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+#define portMUX_INITIALIZER_UNLOCKED \
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+ { .owner = portMUX_FREE_VAL, .count = 0, }
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+#else
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+#define portMUX_INITIALIZER_UNLOCKED \
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+ { .owner = portMUX_FREE_VAL, .count = 0, .lastLockedFn = "(never locked)", .lastLockedLine = -1 }
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+#endif
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+
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+/* Scheduler utilities. */
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+extern void vPortYield(void);
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+extern void vPortYieldFromISR(void);
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+
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+#define portYIELD() vPortYield()
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+#define portYIELD_FROM_ISR() vPortYieldFromISR()
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+
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+/* Yielding within an API call (when interrupts are off), means the yield should be delayed
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+ until interrupts are re-enabled.
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+ To do this, we use the "cross-core" interrupt as a trigger to yield on this core when interrupts are re-enabled.This
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+ is the same interrupt & code path which is used to trigger a yield between CPUs, although in this case the yield is
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+ happening on the same CPU.
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+*/
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+#define portYIELD_WITHIN_API() portYIELD()
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+/*-----------------------------------------------------------*/
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+
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+/* Critical section management. */
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+extern int vPortSetInterruptMask(void);
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+extern void vPortClearInterruptMask(int);
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+
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+void vPortCPUInitializeMutex(portMUX_TYPE *mux);
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+void vPortCPUAcquireMutex(portMUX_TYPE *mux);
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+bool vPortCPUAcquireMutexTimeout(portMUX_TYPE *mux, int timeout_cycles);
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+void vPortCPUReleaseMutex(portMUX_TYPE *mux);
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+
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+extern void vPortEnterCritical(void);
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+extern void vPortExitCritical(void);
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+
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+extern void esp_vApplicationIdleHook(void);
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+extern void esp_vApplicationTickHook(void);
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+
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+#ifndef CONFIG_FREERTOS_LEGACY_HOOKS
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+#define vApplicationIdleHook esp_vApplicationIdleHook
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+#define vApplicationTickHook esp_vApplicationTickHook
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+#endif /* !CONFIG_FREERTOS_LEGACY_HOOKS */
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+
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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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+
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+void vApplicationSleep(TickType_t xExpectedIdleTime);
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+#define portSUPPRESS_TICKS_AND_SLEEP(idleTime) vApplicationSleep(idleTime)
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+
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+#define portNOP() //__asm volatile ( " nop " )
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+
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+#define portVALID_TCB_MEM(ptr) // esp_ptr_byte_accessible(ptr)
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+#define portVALID_STACK_MEM(ptr) // esp_ptr_byte_accessible(ptr)
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+
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+#endif //__ASSEMBLER__
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+
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+#ifdef __cplusplus
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+}
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+#endif
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+
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+#endif /* PORTMACRO_H */
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Euripedes Rocha Filho