UbixOS V2: src/sys/include/vmm/vmm.h Source File

00001 /*****************************************************************************************
00002  Copyright (c) 2002-2004 The UbixOS Project
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are
00006  permitted provided that the following conditions are met:
00007 
00008  Redistributions of source code must retain the above copyright notice, this list of
00009  conditions, the following disclaimer and the list of authors.  Redistributions in binary
00010  form must reproduce the above copyright notice, this list of conditions, the following
00011  disclaimer and the list of authors in the documentation and/or other materials provided
00012  with the distribution. Neither the name of the UbixOS Project nor the names of its
00013  contributors may be used to endorse or promote products derived from this software
00014  without specific prior written permission.
00015 
00016  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
00017  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00018  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
00019  THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00020  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00021  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00022  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
00023  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00024  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00025 
00026  $Id: vmm_8h-source.html 88 2016-01-12 00:11:29Z reddawg $
00027 
00028 *****************************************************************************************/
00029 
00030 #ifndef _VMM_H
00031 #define _VMM_H
00032 
00033 #include <vmm/paging.h>
00034 #include <ubixos/types.h>
00035 
00036 #define memAvail     1
00037 #define memNotavail  2
00038 #define vmmID       -3
00039 #define vmmMemoryMapAddr 0xE6667000
00040 
00041 typedef struct {
00042   uInt32  pageAddr;
00043   uInt16 status;
00044   uInt16 reserved;
00045   pid_t  pid;
00046   int    cowCounter;
00047   } mMap;
00048 
00049 extern int numPages;
00050 extern mMap *vmmMemoryMap;
00051 
00052 int vmm_init();
00053 int vmmMemMapInit();
00054 int countMemory();
00055 u_int32_t vmmFindFreePage(pidType pid);
00056 int freePage(uInt32 pageAddr);
00057 int adjustCowCounter(uInt32 baseAddr,int adjustment);
00058 void vmmFreeProcessPages(pidType pid);
00059 
00060 #endif
00061 
00062 /***
00063  $Log: vmm_8h-source.html,v $
00063  Revision 1.7  2006/12/15 17:47:08  reddawg
00063  Updates
00063 
00064  Revision 1.2  2006/12/05 14:10:21  reddawg
00065  Workign Distro
00066 
00067  Revision 1.1.1.1  2006/06/01 12:46:13  reddawg
00068  ubix2
00069 
00070  Revision 1.2  2005/10/12 00:13:37  reddawg
00071  Removed
00072 
00073  Revision 1.1.1.1  2005/09/26 17:23:59  reddawg
00074  no message
00075 
00076  Revision 1.6  2004/07/21 17:39:04  reddawg
00077  removed device
00078 
00079  Revision 1.5  2004/07/19 02:08:28  reddawg
00080  Cleaned out the rest of debuging code also temporarily disabled the ip stack to improve boot time
00081 
00082  Revision 1.4  2004/07/09 12:18:19  reddawg
00083  Updating Initialization Procedures
00084 
00085  Revision 1.3  2004/05/21 15:21:04  reddawg
00086  Cleaned up
00087 
00088 
00089  END
00090  ***/