59 lines
2.7 KiB
C
59 lines
2.7 KiB
C
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/*
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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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#include <comrogue/types.h>
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#include <comrogue/internals/seg.h>
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#include <comrogue/internals/mmu.h>
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#include <comrogue/internals/startup.h>
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/* Lists we keep track of various pages on. */
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typedef struct tagPAGELIST {
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UINT32 ndxLast; /* index of last page in list */
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UINT32 cpg; /* count of pages in list */
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} PAGELIST, *PPAGELIST;
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/* The Master Page Database */
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static PMPDB g_pMasterPageDB = NULL;
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/* Individual page lists. */
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//static PAGELIST g_pglFree = { 0, 0 }; /* pages that are free */
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//static PAGELIST g_pglZeroed = { 0, 0 }; /* pages that are free and zeroed */
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//static PAGELIST g_pglStandby = { 0, 0 }; /* pages removed but "in transition" */
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//static PAGELIST g_pglModified = { 0, 0 }; /* pages removed but "in transition" and modified */
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//static PAGELIST g_pglBad = { 0, 0 }; /* bad pages */
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SEG_INIT_CODE void _MmInitPageAlloc(PSTARTUP_INFO pstartup)
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{
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g_pMasterPageDB = (PMPDB)(pstartup->kaMPDB);
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}
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