mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-12-07 05:34:59 -05:00
0a61cf54e7
I tried to adjust my heap to FreeRTOS. This is my very first commit to FreeRTOS, i don't even know how to compile the kernel. Maybe You get it running and let me know what You think about it. https://forums.freertos.org/t/real-time-memory-manager/19685
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
//========
|
|
// heap.h
|
|
//========
|
|
|
|
// Memory-manager for real-time C++ applications.
|
|
// Allocations and deletions are done in constant low time.
|
|
|
|
// Copyright 2024, Sven Bieg (svenbieg@web.de)
|
|
// http://github.com/svenbieg/Heap
|
|
|
|
|
|
#ifndef _HEAP_H
|
|
#define _HEAP_H
|
|
|
|
|
|
//=======
|
|
// Using
|
|
//=======
|
|
|
|
#include "block_map.h"
|
|
#include "offset_index.h"
|
|
|
|
|
|
//======
|
|
// Heap
|
|
//======
|
|
|
|
typedef struct _heap_t
|
|
{
|
|
size_t free;
|
|
size_t used;
|
|
size_t size;
|
|
size_t free_block;
|
|
size_t next_heap;
|
|
block_map_t map_free;
|
|
}heap_t;
|
|
|
|
typedef heap_t* heap_handle_t;
|
|
|
|
|
|
//==========
|
|
// Creation
|
|
//==========
|
|
|
|
heap_handle_t heap_create(heap_handle_t prev_heap, size_t offset, size_t size);
|
|
|
|
|
|
//============
|
|
// Allocation
|
|
//============
|
|
|
|
void* heap_alloc(heap_handle_t heap, size_t size);
|
|
void heap_free(heap_handle_t heap, void* buffer);
|
|
|
|
|
|
//=====================
|
|
// Internal Allocation
|
|
//=====================
|
|
|
|
void* heap_alloc_from_foot(heap_handle_t heap, size_t size);
|
|
void* heap_alloc_from_map(heap_handle_t heap, size_t size);
|
|
void* heap_alloc_internal(heap_handle_t heap, size_t size);
|
|
void heap_free_cache(heap_handle_t heap);
|
|
void heap_free_to_cache(heap_handle_t heap, void* buf);
|
|
void heap_free_to_map(heap_handle_t heap, void* buf);
|
|
|
|
|
|
//===========
|
|
// Statistic
|
|
//===========
|
|
|
|
size_t heap_get_largest_free_block(heap_handle_t heap);
|
|
|
|
|
|
//==========
|
|
// FreeRTOS
|
|
//==========
|
|
|
|
void* pvPortCalloc(size_t xNum, size_t xSize);
|
|
void* pvPortMalloc(size_t xWantedSize);
|
|
void vPortDefineHeapRegions(HeapRegion_t const* pxHeapRegions)PRIVILEGED_FUNCTION;
|
|
void vPortFree(void* pv);
|
|
void vPortGetHeapStats(HeapStats_t* pxHeapStats);
|
|
void vPortHeapResetState(void);
|
|
size_t xPortGetFreeHeapSize(void);
|
|
size_t xPortGetMinimumEverFreeHeapSize(void);
|
|
|
|
#endif // _HEAP_H
|