/***********************************************************************//*                                                                     *//*  FILE        :sbrk.c                                                *//*  DATE        :Thu, Nov 23, 2006                                     *//*  DESCRIPTION :Program of sbrk                                       *//*  CPU TYPE    :SH7709S                                               *//*                                                                     *//*  This file is generated by Renesas Project Generator (Ver.3.1).     *//*                                                                     *//***********************************************************************/                  #include <stddef.h>#include <stdio.h>#include "sbrk.h"//const size_t _sbrk_size=		/* Specifies the minimum unit of	*/					/* the defined heap area		*/extern char *_s1ptr;#pragma pack 4union HEAP_TYPE {    long  dummy ;		/* Dummy for 4-byte boundary			*/    char heap[HEAPSIZE];	/* Declaration of the area managed by sbrk	*/};static union HEAP_TYPE heap_area ;//static __X union HEAP_TYPE heap_area__X;              /* for DSP-C *///static __Y union HEAP_TYPE heap_area__Y;              /* for DSP-C */#pragma unpack/* End address allocated by sbrk	*/static char *brk=(char *)&heap_area;//static __X char *brk__X=(char __X *)&heap_area__X;    /* for DSP-C *///static __Y char *brk__Y=(char __Y *)&heap_area__Y;    /* for DSP-C *//**************************************************************************//*     sbrk:Memory area allocation                                        *//*          Return value:Start address of allocated area (Pass)           *//*                       -1                              (Failure)        *//**************************************************************************/char  *sbrk(unsigned long size)			/* Assigned area size	*/{      char  *p;      if(brk+size>heap_area.heap+HEAPSIZE)	/* Empty area size	*/	   return (char *)-1;      p=brk;					/* Area assignment	*/      brk += size;				/* End address update	*/      return p ;}/**************************************************************************//*     sbrk:X Memory area allocation                                      *//*          Return value:Start address of allocated area (Pass)           *//*                       -1                              (Failure)        *///*      When the dspc option is specified at compiling, remove // of     *///*      the head of the line which has /* for DSP-C */ and add start     *///*      options and add "$XB" and "$YB" to the start option at linkage.  *//**************************************************************************///char __X *sbrk__X(unsigned long size)	  /* Assigned area size	*/      /* for DSP-C *///{                                                                     /* for DSP-C *///    __X char *p;                                                      /* for DSP-C *///                                                                      /* for DSP-C *///    if (brk__X+size>heap_area__X.heap+HEAPSIZE) { /* Empty area size */ /* for DSP-C *///        return (char __X *)-1;                                        /* for DSP-C *///    }                                                                 /* for DSP-C *///                                                                      /* for DSP-C *///    p=brk__X;                   /* Area assignment */                 /* for DSP-C *///    brk__X+=size;               /* End address update */              /* for DSP-C *///    return p;                                                         /* for DSP-C *///}                                                                     /* for DSP-C *//**************************************************************************//*     sbrk:Y Memory area allocation                                      *//*          Return value:Start address of allocated area (Pass)           *//*                       -1                              (Failure)        *///*      When the dspc option is specified at compiling, remove // of     *///*      the head of the line which has /* for DSP-C */ and add start     *///*      options and add "$XB" and "$YB" to the start option at linkage.  *//**************************************************************************///char __Y *sbrk__Y(unsigned long size)    /* Assigned area size */     /* for DSP-C *///{                                                                     /* for DSP-C *///    __Y char *p;                                                      /* for DSP-C *///                                                                      /* for DSP-C *///    if (brk__Y+size>heap_area__Y.heap+HEAPSIZE) { /* Empty area size */ /* for DSP-C *///        return (char __Y *)-1;                                        /* for DSP-C *///    }                                                                 /* for DSP-C *///    p=brk__Y;                    /* Area assignment */                /* for DSP-C *///    brk__Y+=size;                /* End address update */             /* for DSP-C *///    return p;                                                         /* for DSP-C *///}                                                                     /* for DSP-C */