| /*********************************************************************************************************************** | |
| * DISCLAIMER | |
| * This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. | |
| * No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all | |
| * applicable laws, including copyright laws. | |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIESREGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED | |
| * OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| * NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY | |
| * LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE FOR ANY DIRECT, | |
| * INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR | |
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| * http://www.renesas.com/disclaimer | |
| * | |
| * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved. | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| * File Name : r_cg_sbrk.c | |
| * Version : Code Generator for RX113 V1.02.01.02 [28 May 2015] | |
| * Device(s) : R5F51138AxFP | |
| * Tool-Chain : CCRX | |
| * Description : Program of sbrk. | |
| * Creation Date: 21/09/2015 | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| Pragma directive | |
| ***********************************************************************************************************************/ | |
| /* Start user code for pragma. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ | |
| /*********************************************************************************************************************** | |
| Includes | |
| ***********************************************************************************************************************/ | |
| #include "r_cg_macrodriver.h" | |
| #include <stddef.h> | |
| #include <stdio.h> | |
| #include "r_cg_sbrk.h" | |
| #include "r_cg_userdefine.h" | |
| /*********************************************************************************************************************** | |
| Global variables and functions | |
| ***********************************************************************************************************************/ | |
| int8_t *sbrk(size_t size); | |
| extern int8_t *_s1ptr; | |
| union HEAP_TYPE | |
| { | |
| int16_t dummy ; /* Dummy for 4-byte boundary */ | |
| int8_t heap[HEAPSIZE]; /* Declaration of the area managed by sbrk */ | |
| }; | |
| static union HEAP_TYPE heap_area ; | |
| /* End address allocated by sbrk */ | |
| static int8_t *brk = (int8_t *) &heap_area; | |
| /**************************************************************************/ | |
| /* sbrk:Memory area allocation */ | |
| /* Return value:Start address of allocated area (Pass) */ | |
| /* -1 (Failure) */ | |
| /**************************************************************************/ | |
| int8_t *sbrk(size_t size) /* Assigned area size */ | |
| { | |
| int8_t *p; | |
| if (brk+size > heap_area.heap + HEAPSIZE) /* Empty area size */ | |
| { | |
| p = (int8_t *)-1; | |
| } | |
| else | |
| { | |
| p = brk; /* Area assignment */ | |
| brk += size; /* End address update */ | |
| } | |
| return p; | |
| } | |
| /* Start user code for adding. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ |