1 /* 2 * Copyright 2008-2012 Freescale Semiconductor Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution. 11 * * Neither the name of Freescale Semiconductor nor the 12 * names of its contributors may be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * 16 * ALTERNATIVELY, this software may be distributed under the terms of the 17 * GNU General Public License ("GPL") as published by the Free Software 18 * Foundation, either version 2 of that License or (at your option) any 19 * later version. 20 * 21 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY 22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 34 /**************************************************************** 35 * 36 * File: mm.h 37 * 38 * 39 * Description: 40 * MM (Memory Management) object definitions. 41 * It also includes definitions of the Free Block, Busy Block 42 * and Memory Block structures used by the MM object. 43 * 44 ****************************************************************/ 45 46 #ifndef __MM_H 47 #define __MM_H 48 49 50 #include "mm_ext.h" 51 52 #define __ERR_MODULE__ MODULE_MM 53 54 55 #define MAKE_ALIGNED(addr, align) \ 56 (((uint64_t)(addr) + ((align) - 1)) & (~(((uint64_t)align) - 1))) 57 58 59 /* t_MemBlock data structure defines parameters of the Memory Block */ 60 typedef struct t_MemBlock 61 { 62 struct t_MemBlock *p_Next; /* Pointer to the next memory block */ 63 64 uint64_t base; /* Base address of the memory block */ 65 uint64_t end; /* End address of the memory block */ 66 } t_MemBlock; 67 68 69 /* t_FreeBlock data structure defines parameters of the Free Block */ 70 typedef struct t_FreeBlock 71 { 72 struct t_FreeBlock *p_Next; /* Pointer to the next free block */ 73 74 uint64_t base; /* Base address of the block */ 75 uint64_t end; /* End address of the block */ 76 } t_FreeBlock; 77 78 79 /* t_BusyBlock data structure defines parameters of the Busy Block */ 80 typedef struct t_BusyBlock 81 { 82 struct t_BusyBlock *p_Next; /* Pointer to the next free block */ 83 84 uint64_t base; /* Base address of the block */ 85 uint64_t end; /* End address of the block */ 86 char name[MM_MAX_NAME_LEN]; /* That block of memory was allocated for 87 something specified by the Name */ 88 } t_BusyBlock; 89 90 91 /* t_MM data structure defines parameters of the MM object */ 92 typedef struct t_MM 93 { 94 t_Handle h_Spinlock; 95 96 t_MemBlock *memBlocks; /* List of memory blocks (Memory list) */ 97 t_BusyBlock *busyBlocks; /* List of busy blocks (Busy list) */ 98 t_FreeBlock *freeBlocks[MM_MAX_ALIGNMENT + 1]; 99 /* Alignment lists of free blocks (Free lists) */ 100 101 uint64_t freeMemSize; /* Total size of free memory (in bytes) */ 102 } t_MM; 103 104 105 #endif /* __MM_H */ 106