80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/*
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* This file is part of the COMROGUE Operating System for Raspberry Pi
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*
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* Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
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* All rights reserved.
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*
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* This program is free for commercial and non-commercial use as long as the following conditions are
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* adhered to.
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*
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* Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
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* in the code are not to be removed.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of conditions and
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* the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
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*/
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#ifndef __HEAP_H_INCLUDED
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#define __HEAP_H_INCLUDED
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#ifndef __ASM__
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#include <comrogue/compiler_macros.h>
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#include <comrogue/types.h>
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#include <comrogue/scode.h>
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#include <comrogue/allocator.h>
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#include <comrogue/mutex.h>
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/*------------------------------------------------------------------------------------
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* The raw heap data used to hold the heap internals. It's defined as opaque memory.
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*------------------------------------------------------------------------------------
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*/
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typedef struct tagRAWHEAPDATA
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{
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UINT32 opaque[128]; /* opaque data, do not modify */
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} RAWHEAPDATA, *PRAWHEAPDATA;
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typedef void (*PFNRAWHEAPDATAFREE)(PRAWHEAPDATA); /* function that optionally frees the heap data */
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/*--------------------
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* External functions
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*--------------------
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*/
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#define STD_CHUNK_BITS 22 /* standard number of bits in a memory chunk - yields 4Mb chunks */
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/* Flag definitions */
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#define PHDFLAGS_REDZONE 0x00000001U /* use red zones? */
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#define PHDFLAGS_JUNKFILL 0x00000002U /* fill junk in heap? */
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#define PHDFLAGS_ZEROFILL 0x00000004U /* zero-fill allocations? */
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#define PHDFLAGS_NOTCACHE 0x00000008U /* thread cache disabled? */
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#define PHDFLAGS_PROFILE 0x00000010U /* profiling enabled? */
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CDECL_BEGIN
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extern HRESULT HeapCreate(PRAWHEAPDATA prhd, PFNRAWHEAPDATAFREE pfnFree, UINT32 uiFlags, UINT32 nChunkBits,
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IChunkAllocator *pChunkAllocator, IMutexFactory *pMutexFactory,
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IMalloc **ppHeap);
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CDECL_END
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#endif /* __ASM__ */
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#endif /* __HEAP_H_INCLUDED */
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