Merge branch 'feature/multi_heap' into 'master'

Separate the heap implementation from FreeRTOS

See merge request !731
This commit is contained in:
Angus Gratton
2017-07-12 10:53:37 +08:00
43 changed files with 2433 additions and 1636 deletions

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@@ -1,96 +0,0 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _HEAP_REGIONS_H
#define _HEAP_REGIONS_H
#include "freertos/FreeRTOS.h"
/* The maximum amount of tags in use */
#define HEAPREGIONS_MAX_TAGCOUNT 16
/**
* @brief Structure to define a memory region
*/
typedef struct HeapRegionTagged
{
uint8_t *pucStartAddress; ///< Start address of the region
size_t xSizeInBytes; ///< Size of the region
BaseType_t xTag; ///< Tag for the region
uint32_t xExecAddr; ///< If non-zero, indicates the region also has an alias in IRAM.
} HeapRegionTagged_t;
/**
* @brief Initialize the heap allocator by feeding it the usable memory regions and their tags.
*
* This takes an array of heapRegionTagged_t structs, the last entry of which is a dummy entry
* which has pucStartAddress set to NULL. It will initialize the heap allocator to serve memory
* from these ranges.
*
* @param pxHeapRegions Array of region definitions
*/
void vPortDefineHeapRegionsTagged( const HeapRegionTagged_t * const pxHeapRegions );
/**
* @brief Allocate memory from a region with a certain tag
*
* Like pvPortMalloc, this returns an allocated chunk of memory. This function,
* however, forces the allocator to allocate from a region specified by a
* specific tag.
*
* @param xWantedSize Size needed, in bytes
* @param tag Tag of the memory region the allocation has to be from
*
* @return Pointer to allocated memory if succesful.
* NULL if unsuccesful.
*/
void *pvPortMallocTagged( size_t xWantedSize, BaseType_t tag );
/**
* @brief Free memory allocated with pvPortMallocTagged
*
* This is basically an implementation of free().
*
* @param pv Pointer to region allocated by pvPortMallocTagged
*/
void vPortFreeTagged( void *pv );
/**
* @brief Get the lowest amount of memory free for a certain tag
*
* This function allows the user to see what the least amount of
* free memory for a certain tag is.
*
* @param tag Tag of the memory region
*
* @return Minimum amount of free bytes available in the runtime of
* the program
*/
size_t xPortGetMinimumEverFreeHeapSizeTagged( BaseType_t tag );
/**
* @brief Get the amount of free bytes in a certain tagged region
*
* Works like xPortGetFreeHeapSize but allows the user to specify
* a specific tag
*
* @param tag Tag of the memory region
*
* @return Remaining amount of free bytes in region
*/
size_t xPortGetFreeHeapSizeTagged( BaseType_t tag );
#endif

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@@ -1,79 +0,0 @@
#ifndef _HEAP_REGION_DEBUG_H
#define _HEAP_REGION_DEBUG_H
#include "FreeRTOS.h"
#if (configENABLE_MEMORY_DEBUG == 1)
#define DEBUG_DOG_VALUE 0x1a2b3c4d
#define DEBUG_MAX_INFO_NUM 20
#define DEBUG_TYPE_MALLOC 1
#define DEBUG_TYPE_FREE 2
typedef struct {
unsigned int dog;
char task[4];
unsigned int pc;
}block_head_t;
typedef struct {
unsigned int dog;
}block_tail_t;
/* Please keep this definition same as BlockLink_t */
typedef struct _os_block_t {
struct _os_block_t *next; /*<< The next free block in the list. */
int size: 24; /*<< The size of the free block. */
int xtag: 7; /*<< Tag of this region */
int xAllocated: 1; /*<< 1 if allocated */
}os_block_t;
typedef struct {
block_head_t head;
os_block_t os_block;
}debug_block_t;
typedef struct _mem_dbg_info{
void *addr;
char *task;
uint32_t pc;
uint32_t time;
uint8_t type;
}mem_dbg_info_t;
typedef struct _mem_dbg_ctl{
mem_dbg_info_t info[DEBUG_MAX_INFO_NUM];
uint32_t cnt;
}mem_dbg_ctl_t;
#define BLOCK_HEAD_LEN sizeof(block_head_t)
#define BLOCK_TAIL_LEN sizeof(block_tail_t)
#define OS_BLOCK(_b) ((os_block_t*)((debug_block_t*)((char*)(_b) + BLOCK_HEAD_LEN)))
#define DEBUG_BLOCK(_b) ((debug_block_t*)((char*)(_b) - BLOCK_HEAD_LEN))
#define HEAD_DOG(_b) ((_b)->head.dog)
#define TAIL_DOG(_b) (*(unsigned int*)((char*)(_b) + (((_b)->os_block.size ) - BLOCK_TAIL_LEN)))
#define DOG_ASSERT()\
{\
mem_debug_show();\
abort();\
}
extern void mem_check_block(void * data);
extern void mem_init_dog(void *data);
extern void mem_debug_init(size_t size, void *start, void *end, portMUX_TYPE *mutex);
extern void mem_malloc_block(void *data);
extern void mem_free_block(void *data);
extern void mem_check_all(void* pv);
#else
#define mem_check_block(...)
#define mem_init_dog(...)
#define BLOCK_HEAD_LEN 0
#define BLOCK_TAIL_LEN 0
#endif
#endif

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@@ -136,29 +136,12 @@ extern "C" {
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION;
#endif
/* Used by heap_5.c. */
typedef struct HeapRegion
{
uint8_t *pucStartAddress;
size_t xSizeInBytes;
} HeapRegion_t;
/*
* Used to define multiple heap regions for use by heap_5.c. This function
* must be called before any calls to pvPortMalloc() - not creating a task,
* queue, semaphore, mutex, software timer, event group, etc. will result in
* pvPortMalloc being called.
*
* pxHeapRegions passes in an array of HeapRegion_t structures - each of which
* defines a region of memory that can be used as the heap. The array is
* terminated by a HeapRegions_t structure that has a size of 0. The region
* with the lowest start address must appear first in the array.
*/
void vPortDefineHeapRegions( const HeapRegion_t * const pxHeapRegions );
/*
* Map to the memory management routines required for the port.
*
* Note that libc standard malloc/free are also available for
* non-FreeRTOS-specific code, and behave the same as
* pvPortMalloc()/vPortFree().
*/
void *pvPortMalloc( size_t xSize ) PRIVILEGED_FUNCTION;
void vPortFree( void *pv ) PRIVILEGED_FUNCTION;