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