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Re-sync with upstream and stripping away none kernel related.

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This commit is contained in:
Yuhui Zheng 2020-02-10 13:45:57 -08:00
parent 9c0c37ab9b
commit 210b1ffcc8
13732 changed files with 49 additions and 7054697 deletions
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23
portable/Softune/MB91460/__STD_LIB_sbrk.c Normal file
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#include "FreeRTOSConfig.h"
#include <stdlib.h>
static long brk_siz = 0;
// #if configTOTAL_HEAP_SIZE != 0
typedef int _heep_t;
#define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1))
static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)];
#define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE)
/* #else
extern char *_heep;
extern long _heep_size;
#endif
*/
extern char *sbrk(int size)
{
if (brk_siz + size > _heep_size || brk_siz + size < 0)
return((char*)-1);
brk_siz += size;
return( (char*)_heep + brk_siz - size);
}