pure sdk for main
This commit is contained in:
@@ -0,0 +1,786 @@
|
||||
/*
|
||||
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that has become a de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly and support the FreeRTOS *
|
||||
* project by purchasing a FreeRTOS tutorial book, reference *
|
||||
* manual, or both from: http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
* Thank you! *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available from the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
1 tab == 4 spaces!
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* Having a problem? Start by reading the FAQ "My application does *
|
||||
* not run, what could be wrong?" *
|
||||
* *
|
||||
* http://www.FreeRTOS.org/FAQHelp.html *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
|
||||
license and Real Time Engineers Ltd. contact details.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
|
||||
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*
|
||||
* A sample implementation of pvPortMalloc() and vPortFree() that combines
|
||||
* (coalescences) adjacent memory blocks as they are freed, and in so doing
|
||||
* limits memory fragmentation.
|
||||
*
|
||||
* See heap_1.c, heap_2.c and heap_3.c for alternative implementations, and the
|
||||
* memory management pages of http://www.FreeRTOS.org for more information.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "typedef.h"
|
||||
#include "zbar.h"
|
||||
typedef size_t mem_size_t;
|
||||
/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
|
||||
all the API functions to use the MPU wrappers. That should only be done when
|
||||
task.h is included from an application file. */
|
||||
#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
|
||||
|
||||
#define configTOTAL_HEAP_SIZE ( ( size_t ) 40*1024*1024 )
|
||||
|
||||
|
||||
#define portBYTE_ALIGNMENT 32
|
||||
#if( portBYTE_ALIGNMENT == 32 || portBYTE_ALIGNMENT == 16)
|
||||
#define portBYTE_ALIGNMENT_MASK ( portBYTE_ALIGNMENT-1 )
|
||||
#endif
|
||||
|
||||
#ifndef portPOINTER_SIZE_TYPE
|
||||
#define portPOINTER_SIZE_TYPE uint32_t
|
||||
#endif
|
||||
|
||||
|
||||
#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
|
||||
|
||||
/* Block sizes must not get too small. */
|
||||
#define heapMINIMUM_BLOCK_SIZE ( ( size_t ) ( heapSTRUCT_SIZE * 2 ) )
|
||||
|
||||
/* Assumes 8bit bytes! */
|
||||
#define heapBITS_PER_BYTE ( ( size_t ) 8 )
|
||||
|
||||
/* A few bytes might be lost to byte aligning the heap start address. */
|
||||
#define heapADJUSTED_HEAP_SIZE ( configTOTAL_HEAP_SIZE - portBYTE_ALIGNMENT )
|
||||
|
||||
/* Allocate the memory for the heap. */
|
||||
//static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
|
||||
|
||||
/* Define the linked list structure. This is used to link free blocks in order
|
||||
of their memory address. */
|
||||
typedef struct A_BLOCK_LINK
|
||||
{
|
||||
struct A_BLOCK_LINK *pxNextFreeBlock; /*<< The next free block in the list. */
|
||||
size_t xBlockSize; /*<< The size of the free block. */
|
||||
} BlockLink_t;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Inserts a block of memory that is being freed into the correct position in
|
||||
* the list of free memory blocks. The block being freed will be merged with
|
||||
* the block in front it and/or the block behind it if the memory blocks are
|
||||
* adjacent to each other.
|
||||
*/
|
||||
static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert );
|
||||
|
||||
/*
|
||||
* Called automatically to setup the required heap structures the first time
|
||||
* pvPortMalloc() is called.
|
||||
*/
|
||||
static void prvHeapInit( void );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* The size of the structure placed at the beginning of each allocated memory
|
||||
block must by correctly byte aligned. */
|
||||
static const uint16_t heapSTRUCT_SIZE = ( ( sizeof ( BlockLink_t ) + ( portBYTE_ALIGNMENT - 1 ) ) & ~portBYTE_ALIGNMENT_MASK );
|
||||
|
||||
/* Ensure the pxEnd pointer will end up on the correct byte alignment. */
|
||||
static size_t xTotalHeapSize;// = ( ( size_t ) heapADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );
|
||||
|
||||
/* Create a couple of list links to mark the start and end of the list. */
|
||||
static BlockLink_t xStart, *pxEnd = NULL;
|
||||
|
||||
/* Keeps track of the number of free bytes remaining, but says nothing about
|
||||
fragmentation. */
|
||||
static size_t xFreeBytesRemaining;// = ( ( size_t ) heapADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );
|
||||
static size_t xMinimumEverFreeBytesRemaining;// = ( ( size_t ) heapADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );
|
||||
|
||||
/* Gets set to the top bit of an size_t type. When this bit in the xBlockSize
|
||||
member of an BlockLink_t structure is set then the block belongs to the
|
||||
application. When the bit is free the block is still part of the free heap
|
||||
space. */
|
||||
static size_t xBlockAllocatedBit = 0;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
size_t xMallocCounter = 0;
|
||||
size_t xFreeCounter = 0;
|
||||
|
||||
extern int heap_start;
|
||||
|
||||
extern void *heap_ptr;
|
||||
|
||||
extern void *RAMSIZE;
|
||||
|
||||
extern unsigned int mem_get_free(void);
|
||||
|
||||
|
||||
void *pvPortMalloc( size_t xWantedSize )
|
||||
{
|
||||
BlockLink_t *pxBlock, *pxPreviousBlock, *pxNewBlockLink;
|
||||
void *pvReturn = NULL;
|
||||
|
||||
#if 0
|
||||
|
||||
//pvReturn = malloc_(xWantedSize);
|
||||
//pvReturn = vdec_aligned_malloc(xWantedSize, 32);
|
||||
//pvReturn = vdec_malloc(xWantedSize);
|
||||
pvReturn = vdec_aligned_malloc(xWantedSize, 64);
|
||||
|
||||
if (pvReturn == NULL)
|
||||
{
|
||||
//extern void vApplicationMallocFailedHook( void );
|
||||
//vApplicationMallocFailedHook();
|
||||
deg("\n\n [ENTER] %s, Line = %d, xFreeBytesRemaining = %d, xTotalHeapSize = %d, xWantedSize = %d\n\n",__func__, __LINE__, mem_get_free(), xTotalHeapSize, xWantedSize);
|
||||
//deg("\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d\n\n",__func__, __LINE__, xMallocCounter, xFreeCounter);
|
||||
deg("\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d, diff = %d \n\n",__func__, __LINE__, xMallocCounter, xFreeCounter, xMallocCounter - xFreeCounter);
|
||||
//deg("\n\n\n [ENTER] %s, Line = %d, xFreeBytesRemaining = %d, xTotalHeapSize = %d \n\n\n",__func__, __LINE__, xFreeBytesRemaining, xTotalHeapSize);
|
||||
//deg("\n\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d\n\n\n",__func__, __LINE__, xMallocCounter, xFreeCounter);
|
||||
}
|
||||
else
|
||||
{
|
||||
xMallocCounter++;
|
||||
//mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
if ((pvReturn > RAMSIZE) || (pvReturn < heap_start))
|
||||
{
|
||||
//deg("\n\n\n pvPortMalloc, pvReturn = 0x%x \n\n\n", pvReturn);
|
||||
}
|
||||
|
||||
return pvReturn;
|
||||
|
||||
//deg("\n\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d\n\n\n",__func__, __LINE__, xMallocCounter, xFreeCounter);
|
||||
#endif
|
||||
//printf("Ms:%d\r\n",xWantedSize);
|
||||
//vTaskSuspendAll();
|
||||
{
|
||||
/* If this is the first call to malloc then the heap will require
|
||||
initialisation to setup the list of free blocks. */
|
||||
if( pxEnd == NULL )
|
||||
{
|
||||
prvHeapInit();
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* Check the requested block size is not so large that the top bit is
|
||||
set. The top bit of the block size member of the BlockLink_t structure
|
||||
is used to determine who owns the block - the application or the
|
||||
kernel, so it must be free. */
|
||||
if( ( xWantedSize & xBlockAllocatedBit ) == 0 )
|
||||
{
|
||||
/* The wanted size is increased so it can contain a BlockLink_t
|
||||
structure in addition to the requested amount of bytes. */
|
||||
if( xWantedSize > 0 )
|
||||
{
|
||||
xWantedSize += heapSTRUCT_SIZE;
|
||||
|
||||
/* Ensure that blocks are always aligned to the required number
|
||||
of bytes. */
|
||||
if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
|
||||
{
|
||||
/* Byte alignment required. */
|
||||
xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
if( ( xWantedSize > 0 ) && ( xWantedSize <= xFreeBytesRemaining ) )
|
||||
{
|
||||
/* Traverse the list from the start (lowest address) block until
|
||||
one of adequate size is found. */
|
||||
pxPreviousBlock = &xStart;
|
||||
pxBlock = xStart.pxNextFreeBlock;
|
||||
while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) )
|
||||
{
|
||||
pxPreviousBlock = pxBlock;
|
||||
pxBlock = pxBlock->pxNextFreeBlock;
|
||||
}
|
||||
|
||||
/* If the end marker was reached then a block of adequate size
|
||||
was not found. */
|
||||
if( pxBlock != pxEnd )
|
||||
{
|
||||
/* Return the memory space pointed to - jumping over the
|
||||
BlockLink_t structure at its start. */
|
||||
pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + heapSTRUCT_SIZE );
|
||||
//printf("pvReturn:%x\r\n",pvReturn);
|
||||
if(pvReturn == 0x170){
|
||||
printf("err");
|
||||
}
|
||||
|
||||
/* This block is being returned for use so must be taken out
|
||||
of the list of free blocks. */
|
||||
pxPreviousBlock->pxNextFreeBlock = pxBlock->pxNextFreeBlock;
|
||||
//printf("pxPre:%x %x pb:%x %x\r\n",pxPreviousBlock,pxPreviousBlock->pxNextFreeBlock,pxBlock,pxBlock->pxNextFreeBlock);
|
||||
/* If the block is larger than required it can be split into
|
||||
two. */
|
||||
if( ( pxBlock->xBlockSize - xWantedSize ) > heapMINIMUM_BLOCK_SIZE )
|
||||
{
|
||||
/* This block is to be split into two. Create a new
|
||||
block following the number of bytes requested. The void
|
||||
cast is used to prevent byte alignment warnings from the
|
||||
compiler. */
|
||||
pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize );
|
||||
|
||||
/* Calculate the sizes of two blocks split from the
|
||||
single block. */
|
||||
pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
|
||||
pxBlock->xBlockSize = xWantedSize;
|
||||
//printf("pxNewBlockLink:%x\r\n",pxNewBlockLink);
|
||||
/* Insert the new block into the list of free blocks. */
|
||||
prvInsertBlockIntoFreeList( ( pxNewBlockLink ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
xFreeBytesRemaining -= pxBlock->xBlockSize;
|
||||
|
||||
if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining )
|
||||
{
|
||||
xMinimumEverFreeBytesRemaining = xFreeBytesRemaining;
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* The block is being returned - it is allocated and owned
|
||||
by the application and has no "next" block. */
|
||||
pxBlock->xBlockSize |= xBlockAllocatedBit;
|
||||
pxBlock->pxNextFreeBlock = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
// traceMALLOC( pvReturn, xWantedSize );
|
||||
}
|
||||
// ( void ) xTaskResumeAll();
|
||||
|
||||
//#if( configUSE_MALLOC_FAILED_HOOK == 1 )
|
||||
{
|
||||
if( pvReturn == NULL )
|
||||
{
|
||||
//extern void vApplicationMallocFailedHook( void );
|
||||
//vApplicationMallocFailedHook();
|
||||
printf("\n\n [ENTER] %s, Line = %d, xFreeBytesRemaining = %d, xTotalHeapSize = %d, xWantedSize = %d\n\n",__func__, __LINE__, xFreeBytesRemaining, xTotalHeapSize, xWantedSize);
|
||||
//deg("\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d\n\n",__func__, __LINE__, xMallocCounter, xFreeCounter);
|
||||
// deg("\n\n [ENTER] %s, Line = %d, xMallocCounter = %d, xFreeCounter = %d, diff = %d \n\n",__func__, __LINE__, xMallocCounter, xFreeCounter, xMallocCounter - xFreeCounter);
|
||||
}
|
||||
else
|
||||
{
|
||||
// xMallocCounter++;
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
//#endif
|
||||
//printf("M:%x W:%d\r\n",pvReturn,xWantedSize);
|
||||
return pvReturn;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
unsigned int vPortFree( void *pv )
|
||||
{
|
||||
uint8_t *puc = ( uint8_t * ) pv;
|
||||
BlockLink_t *pxLink;
|
||||
|
||||
#if 0
|
||||
if (pv != NULL)
|
||||
{
|
||||
xFreeCounter++;
|
||||
}
|
||||
|
||||
//return free_(pv);
|
||||
//return vdec_free(pv);
|
||||
vdec_aligned_free(pv);
|
||||
|
||||
return 0;
|
||||
#endif
|
||||
if((pv > 0x18800000) && (pv < 0x20000000)){
|
||||
return ;
|
||||
}
|
||||
|
||||
if( pv != NULL )
|
||||
{
|
||||
xFreeCounter++;
|
||||
|
||||
/* The memory being freed will have an BlockLink_t structure immediately
|
||||
before it. */
|
||||
puc -= heapSTRUCT_SIZE;
|
||||
|
||||
/* This casting is to keep the compiler from issuing warnings. */
|
||||
pxLink = ( void * ) puc;
|
||||
|
||||
/* Check the block is actually allocated. */
|
||||
// configASSERT( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 );
|
||||
// configASSERT( pxLink->pxNextFreeBlock == NULL );
|
||||
|
||||
if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 )
|
||||
{
|
||||
if( pxLink->pxNextFreeBlock == NULL )
|
||||
{
|
||||
/* The block is being returned to the heap - it is no longer
|
||||
allocated. */
|
||||
pxLink->xBlockSize &= ~xBlockAllocatedBit;
|
||||
|
||||
// vTaskSuspendAll();
|
||||
{
|
||||
/* Add this block to the list of free blocks. */
|
||||
xFreeBytesRemaining += pxLink->xBlockSize;
|
||||
// traceFREE( pv, pxLink->xBlockSize );
|
||||
prvInsertBlockIntoFreeList( ( ( BlockLink_t * ) pxLink ) );
|
||||
}
|
||||
// ( void ) xTaskResumeAll();
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
size_t get_heap4_size(void *pv)
|
||||
{
|
||||
uint8_t *puc = ( uint8_t * ) pv;
|
||||
BlockLink_t *pxLink;
|
||||
size_t size_r;
|
||||
if( pv != NULL )
|
||||
{
|
||||
/* The memory being freed will have an BlockLink_t structure immediately
|
||||
before it. */
|
||||
puc -= heapSTRUCT_SIZE;
|
||||
|
||||
/* This casting is to keep the compiler from issuing warnings. */
|
||||
pxLink = ( void * ) puc;
|
||||
|
||||
/* Check the block is actually allocated. */
|
||||
if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 )
|
||||
{
|
||||
if( pxLink->pxNextFreeBlock == NULL )
|
||||
{
|
||||
/* The block is being returned to the heap - it is no longer
|
||||
allocated. */
|
||||
//pxLink->xBlockSize &= ~xBlockAllocatedBit;
|
||||
size_r = (pxLink->xBlockSize&~xBlockAllocatedBit);
|
||||
size_r = size_r - 32;
|
||||
{
|
||||
/* Add this block to the list of free blocks. */
|
||||
//return pxLink->xBlockSize;
|
||||
return size_r;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
size_t xPortGetFreeHeapSize( void )
|
||||
{
|
||||
return xFreeBytesRemaining;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
size_t xPortGetMinimumEverFreeHeapSize( void )
|
||||
{
|
||||
return xMinimumEverFreeBytesRemaining;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortInitialiseBlocks( void )
|
||||
{
|
||||
/* This just exists to keep the linker quiet. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
extern int __heap_start;
|
||||
extern int __heap_end;
|
||||
|
||||
static void prvHeapInit( void )
|
||||
{
|
||||
BlockLink_t *pxFirstFreeBlock;
|
||||
uint8_t *pucHeapEnd, *pucAlignedHeap;
|
||||
|
||||
/* add by jornny */
|
||||
unsigned int heap_start = (unsigned int)&__heap_start;
|
||||
unsigned int heap_end = (unsigned int)&__heap_end;
|
||||
|
||||
xTotalHeapSize = ( ( size_t ) (heap_end - heap_start) ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );
|
||||
xFreeBytesRemaining = xTotalHeapSize;
|
||||
xMinimumEverFreeBytesRemaining = xTotalHeapSize;
|
||||
|
||||
//printf("> OS heap_start-- = 0x%x\n", heap_start);
|
||||
//printf("> OS heap_end-- = 0x%x\n", heap_end);
|
||||
printf("> OS heap_size-- = 0x%x\n", (u32)xTotalHeapSize);
|
||||
memset(heap_start,0,xTotalHeapSize);
|
||||
|
||||
/* Ensure the heap starts on a correctly aligned boundary. */
|
||||
pucAlignedHeap = ( uint8_t * ) ( ( ( portPOINTER_SIZE_TYPE )(heap_start + portBYTE_ALIGNMENT - 1) ) & ( ( portPOINTER_SIZE_TYPE ) ~portBYTE_ALIGNMENT_MASK ) );
|
||||
|
||||
/* xStart is used to hold a pointer to the first item in the list of free
|
||||
blocks. The void cast is used to prevent compiler warnings. */
|
||||
xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap;
|
||||
xStart.xBlockSize = ( size_t ) 0;
|
||||
|
||||
/* pxEnd is used to mark the end of the list of free blocks and is inserted
|
||||
at the end of the heap space. */
|
||||
pucHeapEnd = pucAlignedHeap + xTotalHeapSize;
|
||||
pucHeapEnd -= heapSTRUCT_SIZE;
|
||||
pxEnd = ( void * ) pucHeapEnd;
|
||||
// configASSERT( ( ( ( uint32_t ) pxEnd ) & ( ( uint32_t ) portBYTE_ALIGNMENT_MASK ) ) == 0UL );
|
||||
pxEnd->xBlockSize = 0;
|
||||
pxEnd->pxNextFreeBlock = NULL;
|
||||
|
||||
/* To start with there is a single free block that is sized to take up the
|
||||
entire heap space, minus the space taken by pxEnd. */
|
||||
pxFirstFreeBlock = ( void * ) pucAlignedHeap;
|
||||
pxFirstFreeBlock->xBlockSize = xTotalHeapSize - heapSTRUCT_SIZE;
|
||||
pxFirstFreeBlock->pxNextFreeBlock = pxEnd;
|
||||
|
||||
/* The heap now contains pxEnd. */
|
||||
xFreeBytesRemaining -= heapSTRUCT_SIZE;
|
||||
|
||||
/* Work out the position of the top bit in a size_t variable. */
|
||||
xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * heapBITS_PER_BYTE ) - 1 );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert )
|
||||
{
|
||||
BlockLink_t *pxIterator;
|
||||
uint8_t *puc;
|
||||
|
||||
/* Iterate through the list until a block is found that has a higher address
|
||||
than the block being inserted. */
|
||||
for( pxIterator = &xStart; pxIterator->pxNextFreeBlock < pxBlockToInsert; pxIterator = pxIterator->pxNextFreeBlock )
|
||||
{
|
||||
/* Nothing to do here, just iterate to the right position. */
|
||||
}
|
||||
|
||||
/* Do the block being inserted, and the block it is being inserted after
|
||||
make a contiguous block of memory? */
|
||||
puc = ( uint8_t * ) pxIterator;
|
||||
if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert )
|
||||
{
|
||||
pxIterator->xBlockSize += pxBlockToInsert->xBlockSize;
|
||||
pxBlockToInsert = pxIterator;
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* Do the block being inserted, and the block it is being inserted before
|
||||
make a contiguous block of memory? */
|
||||
puc = ( uint8_t * ) pxBlockToInsert;
|
||||
if( ( puc + pxBlockToInsert->xBlockSize ) == ( uint8_t * ) pxIterator->pxNextFreeBlock )
|
||||
{
|
||||
if( pxIterator->pxNextFreeBlock != pxEnd )
|
||||
{
|
||||
/* Form one big block from the two blocks. */
|
||||
pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize;
|
||||
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock;
|
||||
}
|
||||
else
|
||||
{
|
||||
pxBlockToInsert->pxNextFreeBlock = pxEnd;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
|
||||
}
|
||||
|
||||
/* If the block being inserted plugged a gab, so was merged with the block
|
||||
before and the block after, then it's pxNextFreeBlock pointer will have
|
||||
already been set, and should not be set here as that would make it point
|
||||
to itself. */
|
||||
if( pxIterator != pxBlockToInsert )
|
||||
{
|
||||
pxIterator->pxNextFreeBlock = pxBlockToInsert;
|
||||
}
|
||||
else
|
||||
{
|
||||
// mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int mem_get_free(void)
|
||||
{
|
||||
return xFreeBytesRemaining;
|
||||
}
|
||||
|
||||
uint32_t get_mem_size(void *mem)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
void *mem_trim(void *mem, unsigned int newsize)
|
||||
{
|
||||
//printf("miss %s\n", __FUNCTION__);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
void *mem_calloc_ex(mem_size_t size, mem_size_t count)
|
||||
{
|
||||
void *p;
|
||||
|
||||
/* allocate 'count' objects of size 'size' */
|
||||
p = pvPortMalloc( count *size);
|
||||
if (p) {
|
||||
/* zero the memory */
|
||||
memset(p, 0, count *size);
|
||||
}
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#if 0
|
||||
void dma_memcpy(void *dst, void *src, int cnt)
|
||||
{
|
||||
#if 0
|
||||
WritebackDCacheRegion((u32)src,cnt);
|
||||
FlushDCacheRegion((u32)dst,cnt);
|
||||
|
||||
MCPCON |= BIT(0); //en
|
||||
MCPCON &= ~BIT(2); //no sir
|
||||
|
||||
MCPSCADDR = (u32)src;
|
||||
MCPTGADDR = (u32)dst;
|
||||
MCPLENGTH = cnt-1;
|
||||
|
||||
while(!(MCPCON & BIT(1)));
|
||||
#endif
|
||||
|
||||
#if 1
|
||||
|
||||
if(cnt <=32)
|
||||
{
|
||||
BtB_memcpy(dst,src,cnt);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
WritebackDCacheRegion((u32)src,cnt);
|
||||
FlushDCacheRegion((u32)dst,cnt);
|
||||
|
||||
// mutex_lock(Dma_mutex);
|
||||
|
||||
while(!(MCPCON & BIT(1)));
|
||||
MCPCON |= BIT(0); //en
|
||||
MCPCON &= ~BIT(2); //no sir
|
||||
MCPSCADDR = (u32)src;
|
||||
MCPTGADDR = (u32)dst;
|
||||
MCPLENGTH = cnt-1;
|
||||
while(!(MCPCON & BIT(1)));
|
||||
|
||||
|
||||
#endif
|
||||
#if 0
|
||||
UINT32 dwcount = 0;
|
||||
UINT32 dwlen = 0;
|
||||
UINT32 *dwdestbuf = NULL;
|
||||
UINT32 *dwsrcbuf = NULL;
|
||||
UINT16 *hfdestbuf = NULL;
|
||||
UINT16 *hfsrcbuf = NULL;
|
||||
UINT8 *destbuf = NULL;
|
||||
UINT8 *srcbuf = NULL;
|
||||
UINT8 *destbufbyte = NULL;
|
||||
UINT8 *srcbufbyte = NULL;
|
||||
|
||||
if(!((UINT32)dst & 0x3) && !((UINT32)src & 0x3) && (0x03 < cnt))
|
||||
{
|
||||
dwlen = (cnt & 0xfffffffc) >> 2;
|
||||
dwdestbuf = (UINT32 *)dst;
|
||||
dwsrcbuf = (UINT32 *)src;
|
||||
for(dwcount=0; dwcount < dwlen; dwcount++)
|
||||
{
|
||||
*(dwdestbuf+dwcount) = *(dwsrcbuf+dwcount);
|
||||
}
|
||||
dwlen = cnt & 0x3;
|
||||
destbufbyte = (UINT8 *)(dst + (dwcount<<2));
|
||||
srcbufbyte = (UINT8 *)(src +(dwcount<<2));
|
||||
for(dwcount=0; dwcount < dwlen; dwcount++)
|
||||
{
|
||||
*(destbufbyte+dwcount) = *(srcbufbyte+dwcount);
|
||||
}
|
||||
}
|
||||
else if(!((UINT32)dst & 0x1) && !((UINT32)src & 0x1) && (0x01 < cnt))
|
||||
{
|
||||
dwlen = (cnt & 0xfffffffe) >> 1;
|
||||
hfdestbuf=(UINT16 *)dst;
|
||||
hfsrcbuf=(UINT16 *)src;
|
||||
for(dwcount=0; dwcount < dwlen; dwcount++)
|
||||
{
|
||||
*(hfdestbuf+dwcount) = *(hfsrcbuf+dwcount);
|
||||
}
|
||||
dwlen = cnt & 0x1;
|
||||
destbufbyte = (UINT8 *)(dst +(dwcount << 1));
|
||||
srcbufbyte = (UINT8 *)(src + (dwcount << 1));
|
||||
for(dwcount=0; dwcount<dwlen; dwcount++)
|
||||
{
|
||||
*(destbufbyte+dwcount)=* (srcbufbyte+dwcount);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
destbuf = (UINT8 *)dst,
|
||||
srcbuf = (UINT8 *)src;
|
||||
|
||||
for (dwcount = 0; dwcount < cnt; dwcount++)
|
||||
{
|
||||
*(destbuf + dwcount) = *(srcbuf + dwcount);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : my_memcpy
|
||||
* Description : copy data from src to dst
|
||||
* Input : *dst: destination pointer
|
||||
* *src: source pointer
|
||||
* cnt :length
|
||||
* Output : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void my_memcpy(void *dst, void *src, int cnt)
|
||||
{
|
||||
BYTE *pDstTemp = (BYTE *)dst;
|
||||
BYTE *pSrcTemp = (BYTE *)src;
|
||||
while (cnt--)
|
||||
{
|
||||
*pDstTemp++ = *pSrcTemp++;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void* port_realloc(void *p, size_t sz) {
|
||||
void *pt;
|
||||
int size;
|
||||
size = get_heap4_size(p);
|
||||
//printf("%s %x %d %d\r\n",__func__,p,size,sz);
|
||||
if(size == 0){
|
||||
//printf("%s %d\r\n",__func__,__LINE__);
|
||||
return mem_malloc(sz);
|
||||
}
|
||||
if(size < sz){
|
||||
|
||||
//printf("%s %d [%d]\r\n",__func__,__LINE__,sz);
|
||||
pt = mem_malloc(sz);
|
||||
memcpy(pt,p,size);
|
||||
vPortFree(p);
|
||||
//printf("%s %d\r\n",__func__,__LINE__);
|
||||
return pt;
|
||||
}
|
||||
//printf("%s %d\r\n",__func__,__LINE__);
|
||||
return p;
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user