# vmm.h

Go to the documentation of this 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  ***/