87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file chmemcore.h
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* @brief Core memory manager macros and structures.
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*
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* @addtogroup memcore
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* @{
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*/
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#ifndef _CHMEMCORE_H_
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#define _CHMEMCORE_H_
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/**
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* @brief Memory get function.
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* @note This type must be assignment compatible with the @p chMemAlloc()
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* function.
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*/
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typedef void *(*memgetfunc_t)(size_t size);
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/**
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* @name Alignment support macros
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*/
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/**
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* @brief Alignment size constant.
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*/
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#define MEM_ALIGN_SIZE sizeof(stkalign_t)
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/**
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* @brief Alignment mask constant.
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*/
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#define MEM_ALIGN_MASK (MEM_ALIGN_SIZE - 1)
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/**
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* @brief Alignment helper macro.
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*/
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#define MEM_ALIGN_PREV(p) ((size_t)(p) & ~MEM_ALIGN_MASK)
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/**
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* @brief Alignment helper macro.
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*/
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#define MEM_ALIGN_NEXT(p) MEM_ALIGN_PREV((size_t)(p) + MEM_ALIGN_MASK)
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/**
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* @brief Returns whatever a pointer or memory size is aligned to
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* the type @p align_t.
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*/
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#define MEM_IS_ALIGNED(p) (((size_t)(p) & MEM_ALIGN_MASK) == 0)
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/** @} */
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#if CH_USE_MEMCORE || defined(__DOXYGEN__)
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#ifdef __cplusplus
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extern "C" {
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#endif
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void _core_init(void);
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void *chCoreAlloc(size_t size);
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void *chCoreAllocI(size_t size);
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size_t chCoreStatus(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CH_USE_MEMCORE */
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#endif /* _CHMEMCORE_H_ */
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/** @} */
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