1 /***********************************************************************************************************************
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3 * This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products.
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4 * No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
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5 * applicable laws, including copyright laws.
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6 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIESREGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED
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7 * OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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8 * NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY
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9 * LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE FOR ANY DIRECT,
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10 * INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR
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11 * ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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12 * Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability
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13 * of this software. By using this software, you agree to the additional terms and conditions found by accessing the
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15 * http://www.renesas.com/disclaimer
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17 * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved.
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18 ***********************************************************************************************************************/
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20 /***********************************************************************************************************************
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21 * File Name : r_cg_sbrk.c
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22 * Version : Code Generator for RX113 V1.02.01.02 [28 May 2015]
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23 * Device(s) : R5F51138AxFP
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25 * Description : Program of sbrk.
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26 * Creation Date: 21/09/2015
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27 ***********************************************************************************************************************/
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29 /***********************************************************************************************************************
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31 ***********************************************************************************************************************/
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32 /* Start user code for pragma. Do not edit comment generated here */
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33 /* End user code. Do not edit comment generated here */
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35 /***********************************************************************************************************************
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37 ***********************************************************************************************************************/
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38 #include "r_cg_macrodriver.h"
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41 #include "r_cg_sbrk.h"
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42 #include "r_cg_userdefine.h"
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44 /***********************************************************************************************************************
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45 Global variables and functions
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46 ***********************************************************************************************************************/
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48 int8_t *sbrk(size_t size);
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50 extern int8_t *_s1ptr;
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54 int16_t dummy ; /* Dummy for 4-byte boundary */
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55 int8_t heap[HEAPSIZE]; /* Declaration of the area managed by sbrk */
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58 static union HEAP_TYPE heap_area ;
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60 /* End address allocated by sbrk */
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61 static int8_t *brk = (int8_t *) &heap_area;
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63 /**************************************************************************/
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64 /* sbrk:Memory area allocation */
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65 /* Return value:Start address of allocated area (Pass) */
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67 /**************************************************************************/
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68 int8_t *sbrk(size_t size) /* Assigned area size */
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72 if (brk+size > heap_area.heap + HEAPSIZE) /* Empty area size */
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78 p = brk; /* Area assignment */
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79 brk += size; /* End address update */
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85 /* Start user code for adding. Do not edit comment generated here */
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86 /* End user code. Do not edit comment generated here */
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