1 /*---------------------------------------------------------------------------- 2 * RL-ARM - RTX 3 *---------------------------------------------------------------------------- 4 * Name: RT_MEMBOX.H 5 * Purpose: Interface functions for fixed memory block management system 6 * Rev.: V4.60 7 *---------------------------------------------------------------------------- 8 * 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH 10 * All rights reserved. 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions are met: 13 * - Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * - Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * - Neither the name of ARM nor the names of its contributors may be used 19 * to endorse or promote products derived from this software without 20 * specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 *---------------------------------------------------------------------------*/ 34 #ifndef __MEMBOX_H__ 35 #define __MEMBOX_H__ 36 37 /* Definitions */ 38 #define BOX_ALIGN_8 0x80000000 39 /* Functions */ 40 41 typedef struct OS_BM { 42 void *free; /* Pointer to first free memory block */ 43 void *end; /* Pointer to memory block end */ 44 uint32_t blk_size; /* Memory block size */ 45 } *P_BM; 46 47 #define rt_init_box _init_box 48 #define rt_calloc_box _calloc_box 49 int _init_box (void *box_mem, uint32_t box_size, uint32_t blk_size); 50 void *rt_alloc_box (void *box_mem); 51 void * _calloc_box (void *box_mem); 52 int rt_free_box (void *box_mem, void *box); 53 54 /*---------------------------------------------------------------------------- 55 * end of file 56 *---------------------------------------------------------------------------*/ 57 58 #endif /*__MEMBOX_H__*/ 59