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started in on the heap library implementation

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This commit is contained in:
Eric J. Bowersox
2013-06-01 02:34:23 -06:00
parent 2cca2531c8
commit 86674b67f0
8 changed files with 348 additions and 1 deletions
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68
include/comrogue/heap.h Normal file
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@@ -0,0 +1,68 @@
/*
* This file is part of the COMROGUE Operating System for Raspberry Pi
*
* Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
* All rights reserved.
*
* This program is free for commercial and non-commercial use as long as the following conditions are
* adhered to.
*
* Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
* in the code are not to be removed.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*
* "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
*/
#ifndef __HEAP_H_INCLUDED
#define __HEAP_H_INCLUDED
#ifndef __ASM__
#include <comrogue/compiler_macros.h>
#include <comrogue/types.h>
#include <comrogue/scode.h>
#include <comrogue/allocator.h>
/*------------------------------------------------------------------------------------
* The raw heap data used to hold the heap internals. It's defined as opaque memory.
*------------------------------------------------------------------------------------
*/
typedef struct tagRAWHEAPDATA
{
UINT32 opaque[8];
} RAWHEAPDATA, *PRAWHEAPDATA;
typedef void (*PFNRAWHEAPDATAFREE)(PRAWHEAPDATA prhd);
/*--------------------
* External functions
*--------------------
*/
CDECL_BEGIN
extern HRESULT HeapCreate(PRAWHEAPDATA prhd, PFNRAWHEAPDATAFREE pfnFree, IChunkAllocator *pChunkAllocator,
IMalloc **ppHeap);
CDECL_END
#endif /* __ASM__ */
#endif /* __HEAP_H_INCLUDED */

4
include/comrogue/scode.h
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@@ -93,6 +93,9 @@
#define STG_S_CONSOLIDATIONFAILED SCODE_CAST(0x00030205) /* consolidation failed but commit OK */
#define STG_S_CANNOTCONSOLIDATE SCODE_CAST(0x00030206) /* cannot consolidate but commit OK */
/* Memory manager success codes */
#define MEMMGR_S_NONZEROED SCODE_CAST(0x06010001) /* returned memory is non-zeroed */
/* Basic error codes */
#define E_NOTIMPL SCODE_CAST(0x80000001) /* not implemented */
#define E_OUTOFMEMORY SCODE_CAST(0x80000002) /* out of memory */
@@ -164,5 +167,6 @@
#define MEMMGR_E_NOKERNSPC SCODE_CAST(0x86010006) /* no kernel space */
#define MEMMGR_E_RECURSED SCODE_CAST(0x86010007) /* tried to recurse into page allocation */
#define MEMMGR_E_BADTAGS SCODE_CAST(0x86010008) /* invalid tags for freed page */
#define MEMMGR_E_BADHEAPDATASIZE SCODE_CAST(0x86010009) /* bad size of raw heap data block */
#endif /* __SCODE_H_INCLUDED */