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mem.h
1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <[email protected]> 30 * 31 */ 32 #ifndef __LWIP_MEM_H__ 33 #define __LWIP_MEM_H__ 34 35 #include "lwip/opt.h" 36 #include "mem_manager.h" 37 38 #ifdef __cplusplus 39 extern "C" {
40 #endif 41 42 #if MEM_LIBC_MALLOC 43 44 #include <stddef.h> /* for size_t */ 45 46 typedef size_t mem_size_t;
47 48 /* aliases for C library malloc() */ 49 #define mem_init() 50 /* in case C library malloc() needs extra protection, 51 * allow these defines to be overridden. 52 */ 53 #ifndef mem_free 54 #define mem_free(p) vPortFree(p, "", 0) 55 #endif 56 #ifndef mem_malloc 57 #define mem_malloc(s) pvPortMalloc(s, "", 0) 58 #endif 59 #ifndef mem_calloc 60 #define mem_calloc(s) pvPortCalloc(s, "", 0) 61 #endif 62 #ifndef mem_realloc 63 #define mem_realloc(p, s) pvPortRealloc(p, s, "", 0) 64 #endif 65 #ifndef mem_zalloc 66 #define mem_zalloc(s) pvPortZalloc(s, "", 0) 67 #endif 68 69 #ifndef os_malloc 70 #define os_malloc(s) mem_malloc((s)) 71 #endif 72 #ifndef os_realloc 73 #define os_realloc(p, s) mem_realloc((p), (s)) 74 #endif 75 #ifndef os_zalloc 76 #define os_zalloc(s) mem_zalloc((s)) 77 #endif 78 #ifndef os_free 79 #define os_free(p) mem_free((p)) 80 #endif 81 82 /* Since there is no C library allocation function to shrink memory without 83 moving it, define this to nothing. */ 84 #ifndef mem_trim 85 #define mem_trim(mem, size) (mem) 86 #endif 87 #else /* MEM_LIBC_MALLOC */ 88 89 /* MEM_SIZE would have to be aligned, but using 64000 here instead of 90 * 65535 leaves some room for alignment... 91 */ 92 #if MEM_SIZE > 64000l 93 typedef u32_t mem_size_t;
94 #define MEM_SIZE_F U32_F 95 #else 96 typedef u16_t mem_size_t;
97 #define MEM_SIZE_F U16_F 98 #endif /* MEM_SIZE > 64000 */ 99 100 #if MEM_USE_POOLS 101 102 #define mem_init() 103 105 #define mem_trim(mem, size) (mem) 106 #else /* MEM_USE_POOLS */ 107 /* lwIP alternative malloc */ 108 void mem_init(
void)ICACHE_FLASH_ATTR;
109 void *mem_trim(
void *mem, mem_size_t size)ICACHE_FLASH_ATTR;
110 #endif /* MEM_USE_POOLS */ 111 void *mem_malloc(mem_size_t size)ICACHE_FLASH_ATTR;
112 void *mem_calloc(mem_size_t count, mem_size_t size)ICACHE_FLASH_ATTR;
113 void mem_free(
void *mem)ICACHE_FLASH_ATTR;
114 #endif /* MEM_LIBC_MALLOC */ 115 120 #ifndef LWIP_MEM_ALIGN_SIZE 121 #define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) 122 #endif 123 128 #ifndef LWIP_MEM_ALIGN_BUFFER 129 #define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1)) 130 #endif 131 135 #ifndef LWIP_MEM_ALIGN 136 #define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) 137 #endif 138 139 #ifdef __cplusplus 140 }
141 #endif 142 143 #endif /* __LWIP_MEM_H__ */ Generated by
1.8.10