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freertos(IDF): Refactor port heap functions

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Vanilla FreeRTOS expects applications to use one of the heap implementations
provided by FreeRTOS (i.e., heap_x.c), where functions such as pvPortMalloc()
and vPortFree() are defined in the heap implementation.

However, ESP-IDF already provides its own heap implementation
(i.e., esp_heap_caps.h). Thus, the pvPortMallc()/vPortFree() functions were
previously overriden by macro to call esp_heap functions directly.

This commit refactors the FreeRTOS port's heap as such:

- Added a heap_idf.c that implements all of the heap related functions required
  by FreeRTOS source
- All dynamic memory allocated by FreeRTOS is from internal memory. Thus, the
  FreeRTOS heap is the internal memory subset of the ESP-IDF heap.
- Removed some old macros to reduce diff from upstream source code.
This commit is contained in:
Darian Leung
2023-03-06 16:00:29 +08:00
parent 1b8a2c264d
commit e21ab0332b
15 changed files with 257 additions and 225 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/freertos/port_common.c
+15 -54
View File
@@ -16,32 +16,13 @@
* - These functions are common to all FreeRTOS ports (i.e., on all architectures and all FreeRTOS implementations).
* ------------------------------------------------------------------------------------------------------------------ */
// -------------------- Heap Related -----------------------
#if !CONFIG_FREERTOS_SMP // IDF-3997
bool xPortCheckValidTCBMem(const void *ptr)
{
return esp_ptr_internal(ptr) && esp_ptr_byte_accessible(ptr);
}
bool xPortcheckValidStackMem(const void *ptr)
{
#ifdef CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY
return esp_ptr_byte_accessible(ptr);
#else
return esp_ptr_internal(ptr) && esp_ptr_byte_accessible(ptr);
#endif
}
#endif
// ------------- FreeRTOS Static Allocation ----------------
/*
These function are required by FreeRTOS when configSUPPORT_STATIC_ALLOCATION is
enabled and is used by FreeRTOS to obtain memory for its IDLE/Timer tasks.
Like the pvPortMallocTcbMem() and pvPortMallocStackMem() macros, TCB and stack
memory MUST be placed in internal RAM.
We simply allocate the IDLE/Timer tasks memory from the FreeRTOS heap.
*/
#if ( configSUPPORT_STATIC_ALLOCATION == 1 )
void vApplicationGetIdleTaskMemory(StaticTask_t **ppxIdleTaskTCBBuffer,
@@ -51,30 +32,20 @@ void vApplicationGetIdleTaskMemory(StaticTask_t **ppxIdleTaskTCBBuffer,
StaticTask_t *pxTCBBufferTemp;
StackType_t *pxStackBufferTemp;
/* If the stack grows down then allocate the stack then the TCB so the stack
/* Allocate TCB and stack buffer from the FreeRTOS heap
*
* If the stack grows down then allocate the stack then the TCB so the stack
* does not grow into the TCB. Likewise if the stack grows up then allocate
* the TCB then the stack. */
#if (portSTACK_GROWTH > 0)
{
//Allocate TCB and stack buffer in internal memory
#if CONFIG_FREERTOS_SMP // IDF-3997
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE);
#else
pxTCBBufferTemp = pvPortMallocTcbMem(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMallocStackMem(configMINIMAL_STACK_SIZE);
#endif /* CONFIG_FREERTOS_SMP */
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE);
}
#else /* portSTACK_GROWTH */
{
//Allocate TCB and stack buffer in internal memory
#if CONFIG_FREERTOS_SMP // IDF-3997
pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE);
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
#else
pxStackBufferTemp = pvPortMallocStackMem(configMINIMAL_STACK_SIZE);
pxTCBBufferTemp = pvPortMallocTcbMem(sizeof(StaticTask_t));
#endif /* CONFIG_FREERTOS_SMP */
pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE);
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
}
#endif /* portSTACK_GROWTH */
@@ -93,30 +64,20 @@ void vApplicationGetTimerTaskMemory(StaticTask_t **ppxTimerTaskTCBBuffer,
StaticTask_t *pxTCBBufferTemp;
StackType_t *pxStackBufferTemp;
/* If the stack grows down then allocate the stack then the TCB so the stack
/* Allocate TCB and stack buffer from the FreeRTOS heap
*
* If the stack grows down then allocate the stack then the TCB so the stack
* does not grow into the TCB. Likewise if the stack grows up then allocate
* the TCB then the stack. */
#if (portSTACK_GROWTH > 0)
{
//Allocate TCB and stack buffer in internal memory
#if CONFIG_FREERTOS_SMP // IDF-3997
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH);
#else
pxTCBBufferTemp = pvPortMallocTcbMem(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMallocStackMem(configTIMER_TASK_STACK_DEPTH);
#endif /* CONFIG_FREERTOS_SMP */
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH);
}
#else /* portSTACK_GROWTH */
{
//Allocate TCB and stack buffer in internal memory
#if CONFIG_FREERTOS_SMP // IDF-3997
pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH);
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
#else
pxStackBufferTemp = pvPortMallocStackMem(configTIMER_TASK_STACK_DEPTH);
pxTCBBufferTemp = pvPortMallocTcbMem(sizeof(StaticTask_t));
#endif /* CONFIG_FREERTOS_SMP */
pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH);
pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t));
}
#endif /* portSTACK_GROWTH */