/* * Copyright 2008-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Freescale Semiconductor nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * * ALTERNATIVELY, this software may be distributed under the terms of the * GNU General Public License ("GPL") as published by the Free Software * Foundation, either version 2 of that License or (at your option) any * later version. * * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /**************************************************************** * * File: mm.h * * * Description: * MM (Memory Management) object definitions. * It also includes definitions of the Free Block, Busy Block * and Memory Block structures used by the MM object. * ****************************************************************/ #ifndef __MM_H #define __MM_H #include "mm_ext.h" #define __ERR_MODULE__ MODULE_MM #define MAKE_ALIGNED(addr, align) \ (((uint64_t)(addr) + ((align) - 1)) & (~(((uint64_t)align) - 1))) /* t_MemBlock data structure defines parameters of the Memory Block */ typedef struct t_MemBlock { struct t_MemBlock *p_Next; /* Pointer to the next memory block */ uint64_t base; /* Base address of the memory block */ uint64_t end; /* End address of the memory block */ } t_MemBlock; /* t_FreeBlock data structure defines parameters of the Free Block */ typedef struct t_FreeBlock { struct t_FreeBlock *p_Next; /* Pointer to the next free block */ uint64_t base; /* Base address of the block */ uint64_t end; /* End address of the block */ } t_FreeBlock; /* t_BusyBlock data structure defines parameters of the Busy Block */ typedef struct t_BusyBlock { struct t_BusyBlock *p_Next; /* Pointer to the next free block */ uint64_t base; /* Base address of the block */ uint64_t end; /* End address of the block */ char name[MM_MAX_NAME_LEN]; /* That block of memory was allocated for something specified by the Name */ } t_BusyBlock; /* t_MM data structure defines parameters of the MM object */ typedef struct t_MM { t_Handle h_Spinlock; t_MemBlock *memBlocks; /* List of memory blocks (Memory list) */ t_BusyBlock *busyBlocks; /* List of busy blocks (Busy list) */ t_FreeBlock *freeBlocks[MM_MAX_ALIGNMENT + 1]; /* Alignment lists of free blocks (Free lists) */ uint64_t freeMemSize; /* Total size of free memory (in bytes) */ } t_MM; #endif /* __MM_H */