| 1 | /* $Id: hmdevio.cpp,v 1.17 2001-11-26 17:16:24 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Win32 Device IOCTL API functions for OS/2
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| 5 | *
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| 6 | * Copyright 1998 Sander van Leeuwen
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 | #define INCL_DOSPROFILE
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| 13 | #define INCL_DOSDEVICES
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| 14 | #define INCL_DOSDEVIOCTL
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| 15 | #define INCL_GPI
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| 16 | #define INCL_DOSFILEMGR /* File Manager values */
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| 17 | #define INCL_DOSERRORS /* DOS Error values */
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| 18 | #define INCL_DOSPROCESS /* DOS Process values */
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| 19 | #define INCL_DOSMISC /* DOS Miscellanous values */
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| 20 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 21 | #include <string.h>
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| 22 | #include <stdio.h>
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| 23 |
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| 24 | #include <win32type.h>
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| 25 | #include <win32api.h>
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| 26 | #include <misc.h>
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| 27 | #include <win\winioctl.h>
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| 28 | #include "hmdevio.h"
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| 29 | #include "cio.h"
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| 30 | #include "map.h"
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| 31 | #include "exceptutil.h"
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| 32 |
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| 33 | #define DBG_LOCALLOG DBG_hmdevio
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| 34 | #include "dbglocal.h"
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| 35 |
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| 36 | static BOOL fX86Init = FALSE;
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| 37 | //SvL: Used in iccio.asm (how can you put these in the .asm data segment without messing things up?)
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| 38 | ULONG ioentry = 0;
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| 39 | USHORT gdt = 0;
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| 40 | char devname[] = "/dev/fastio$";
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| 41 |
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| 42 | static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
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| 43 | static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
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| 44 | static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
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| 45 | static BOOL VPCIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
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| 46 |
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| 47 | static WIN32DRV knownDriver[] =
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| 48 | {{"\\\\.\\GpdDev", "", TRUE, 666, GpdDevIOCtl},
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| 49 | { "\\\\.\\MAPMEM", "PMAP$", FALSE, 0, MAPMEMIOCtl},
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| 50 | { "FXMEMMAP.VXD", "PMAP$", FALSE, 0, FXMEMMAPIOCtl},
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| 51 | #if 1
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| 52 | { "\\\\.\\VPCAppSv", "", TRUE, 667, VPCIOCtl}};
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| 53 | #else
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| 54 | };
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| 55 | #endif
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| 56 |
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| 57 | static int nrKnownDrivers = sizeof(knownDriver)/sizeof(WIN32DRV);
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| 58 | BOOL fVirtualPC = FALSE;
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| 59 |
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| 60 | //******************************************************************************
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| 61 | //******************************************************************************
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| 62 | void RegisterDevices()
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| 63 | {
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| 64 | HMDeviceDriver *driver;
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| 65 | DWORD rc;
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| 66 |
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| 67 | for(int i=0;i<nrKnownDrivers;i++)
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| 68 | {
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| 69 | driver = new HMDeviceDriver(knownDriver[i].szWin32Name,
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| 70 | knownDriver[i].szOS2Name,
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| 71 | knownDriver[i].fCreateFile,
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| 72 | knownDriver[i].devIOCtl);
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| 73 |
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| 74 | rc = HMDeviceRegister(knownDriver[i].szWin32Name, driver);
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| 75 | if (rc != NO_ERROR) /* check for errors */
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| 76 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n",
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| 77 | knownDriver[i].szWin32Name, rc));
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| 78 | }
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| 79 |
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| 80 | //check registry for Odin driver plugin dlls
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| 81 | HKEY hkDrivers, hkDrvDll;
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| 82 |
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| 83 | rc = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
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| 84 | "System\\CurrentControlSet\\Services",
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| 85 | 0, KEY_READ, &hkDrivers);
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| 86 |
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| 87 | if(rc == 0) {
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| 88 | char szDllName[CCHMAXPATH];
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| 89 | char szKeyName[CCHMAXPATH];
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| 90 | char szDrvName[CCHMAXPATH];
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| 91 | DWORD dwType, dwSize;
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| 92 | int iSubKey = 0;
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| 93 |
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| 94 | while(rc == 0) {
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| 95 | rc = RegEnumKeyA(hkDrivers, iSubKey++, szKeyName, sizeof(szKeyName));
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| 96 | if(rc) break;
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| 97 |
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| 98 | rc = RegOpenKeyExA(hkDrivers, szKeyName,
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| 99 | 0, KEY_READ, &hkDrvDll);
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| 100 | if(rc == 0) {
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| 101 | dwSize = sizeof(szDllName);
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| 102 | rc = RegQueryValueExA(hkDrvDll,
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| 103 | "DllName",
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| 104 | NULL,
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| 105 | &dwType,
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| 106 | (LPBYTE)szDllName,
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| 107 | &dwSize);
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| 108 |
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| 109 | RegCloseKey(hkDrvDll);
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| 110 | if(rc == 0 && dwType == REG_SZ)
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| 111 | {
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| 112 | HINSTANCE hDrvDll = LoadLibraryA(szDllName);
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| 113 | if(hDrvDll) {
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| 114 | sprintf(szDrvName, "\\\\.\\%s", szKeyName);
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| 115 | driver = new HMCustomDriver(hDrvDll, szDrvName);
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| 116 |
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| 117 | rc = HMDeviceRegister(szDrvName, driver);
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| 118 | if (rc != NO_ERROR) /* check for errors */
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| 119 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n", szDrvName, rc));
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| 120 | }
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| 121 | }
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| 122 | rc = 0;
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| 123 | }
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| 124 | }
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| 125 | RegCloseKey(hkDrivers);
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| 126 | }
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| 127 |
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| 128 | return;
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| 129 | }
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| 130 | //******************************************************************************
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| 131 | //******************************************************************************
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| 132 | BOOL WIN32API RegisterCustomDriver(PFNDRVOPEN pfnDriverOpen, PFNDRVCLOSE pfnDriverClose,
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| 133 | PFNDRVIOCTL pfnDriverIOCtl, LPCSTR lpDeviceName)
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| 134 | {
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| 135 | HMDeviceDriver *driver;
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| 136 | DWORD rc;
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| 137 |
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| 138 | driver = new HMCustomDriver(pfnDriverOpen, pfnDriverClose, pfnDriverIOCtl, lpDeviceName);
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| 139 | if(driver == NULL) {
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| 140 | DebugInt3();
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| 141 | return FALSE;
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| 142 | }
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| 143 | rc = HMDeviceRegister((LPSTR)lpDeviceName, driver);
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| 144 | if (rc != NO_ERROR) { /* check for errors */
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| 145 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n", lpDeviceName, rc));
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| 146 | return FALSE;
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| 147 | }
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| 148 | return TRUE;
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| 149 | }
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| 150 | //******************************************************************************
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| 151 | //******************************************************************************
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| 152 | HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName, LPSTR lpOS2DevName, BOOL fCreate,
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| 153 | WINIOCTL pDevIOCtl)
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| 154 | : HMDeviceKernelObjectClass(lpDeviceName)
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| 155 | {
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| 156 | this->fCreateFile = fCreateFile;
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| 157 | this->szOS2Name = lpOS2DevName;
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| 158 | this->devIOCtl = pDevIOCtl;
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| 159 | }
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| 160 | //******************************************************************************
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| 161 | //******************************************************************************
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| 162 | HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName)
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| 163 | : HMDeviceKernelObjectClass(lpDeviceName)
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| 164 | {
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| 165 | }
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| 166 | //******************************************************************************
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| 167 | //******************************************************************************
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| 168 | DWORD HMDeviceDriver::CreateFile (HANDLE hHandle,
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| 169 | LPCSTR lpFileName,
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| 170 | PHMHANDLEDATA pHMHandleData,
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| 171 | PVOID lpSecurityAttributes,
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| 172 | PHMHANDLEDATA pHMHandleDataTemplate)
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| 173 | {
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| 174 | APIRET rc;
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| 175 | HFILE hfFileHandle = 0L; /* Handle for file being manipulated */
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| 176 | ULONG ulAction = 0; /* Action taken by DosOpen */
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| 177 | ULONG sharetype = 0;
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| 178 |
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| 179 | if(pHMHandleData->dwAccess & (GENERIC_READ | GENERIC_WRITE))
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| 180 | sharetype |= OPEN_ACCESS_READWRITE;
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| 181 | else
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| 182 | if(pHMHandleData->dwAccess & GENERIC_WRITE)
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| 183 | sharetype |= OPEN_ACCESS_WRITEONLY;
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| 184 |
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| 185 | if(pHMHandleData->dwShare == 0)
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| 186 | sharetype |= OPEN_SHARE_DENYREADWRITE;
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| 187 | else
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| 188 | if(pHMHandleData->dwShare & (FILE_SHARE_READ | FILE_SHARE_WRITE))
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| 189 | sharetype |= OPEN_SHARE_DENYNONE;
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| 190 | else
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| 191 | if(pHMHandleData->dwShare & FILE_SHARE_WRITE)
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| 192 | sharetype |= OPEN_SHARE_DENYREAD;
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| 193 | else
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| 194 | if(pHMHandleData->dwShare & FILE_SHARE_READ)
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| 195 | sharetype |= OPEN_SHARE_DENYWRITE;
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| 196 |
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| 197 | if(szOS2Name[0] == 0) {
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| 198 | pHMHandleData->hHMHandle = 0;
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| 199 | return (NO_ERROR);
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| 200 | }
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| 201 |
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| 202 | tryopen:
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| 203 | rc = DosOpen( szOS2Name, /* File path name */
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| 204 | &hfFileHandle, /* File handle */
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| 205 | &ulAction, /* Action taken */
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| 206 | 0,
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| 207 | FILE_NORMAL,
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| 208 | FILE_OPEN,
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| 209 | sharetype,
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| 210 | 0L); /* No extended attribute */
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| 211 |
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| 212 | if(rc == ERROR_TOO_MANY_OPEN_FILES) {
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| 213 | ULONG CurMaxFH;
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| 214 | LONG ReqCount = 32;
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| 215 |
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| 216 | rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
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| 217 | if(rc) {
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| 218 | dprintf(("DosSetRelMaxFH returned %d", rc));
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| 219 | return rc;
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| 220 | }
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| 221 | dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH));
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| 222 | goto tryopen;
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| 223 | }
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| 224 |
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| 225 | dprintf(("DosOpen %s returned %d\n", szOS2Name, rc));
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| 226 |
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| 227 | if(rc == NO_ERROR) {
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| 228 | pHMHandleData->hHMHandle = hfFileHandle;
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| 229 | return (NO_ERROR);
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| 230 | }
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| 231 | else return(rc);
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| 232 | }
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| 233 | //******************************************************************************
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| 234 | //******************************************************************************
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| 235 | BOOL HMDeviceDriver::CloseHandle(PHMHANDLEDATA pHMHandleData)
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| 236 | {
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| 237 | DWORD rc = 0;
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| 238 |
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| 239 | if(pHMHandleData->hHMHandle) {
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| 240 | rc = DosClose(pHMHandleData->hHMHandle);
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| 241 | }
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| 242 | pHMHandleData->hHMHandle = 0;
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| 243 | return rc;
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| 244 | }
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| 245 | //******************************************************************************
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| 246 | //******************************************************************************
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| 247 | BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
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| 248 | LPVOID lpInBuffer, DWORD nInBufferSize,
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| 249 | LPVOID lpOutBuffer, DWORD nOutBufferSize,
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| 250 | LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
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| 251 | {
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| 252 | return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
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| 253 | lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
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| 254 | }
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| 255 | //******************************************************************************
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| 256 | //******************************************************************************
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| 257 | static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
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| 258 | {
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| 259 | ULONG port, val = 0;
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| 260 |
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| 261 | if(fX86Init == FALSE) {
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| 262 | if(io_init() == 0)
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| 263 | fX86Init = TRUE;
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| 264 | else return(FALSE);
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| 265 | }
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| 266 |
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| 267 | *lpBytesReturned = 0;
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| 268 |
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| 269 | port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
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| 270 |
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| 271 | switch((dwIoControlCode >> 2) & 0xFFF) {
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| 272 | case IOCTL_GPD_READ_PORT_UCHAR:
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| 273 | if(nOutBufferSize < sizeof(char))
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| 274 | return(FALSE);
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| 275 |
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| 276 | val = c_inb(port);
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| 277 | *(char *)lpOutBuffer = val;
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| 278 | *lpBytesReturned = sizeof(char);
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| 279 | break;
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| 280 | case IOCTL_GPD_READ_PORT_USHORT:
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| 281 | if(nOutBufferSize < sizeof(USHORT))
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| 282 | return(FALSE);
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| 283 |
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| 284 | val = c_inw(port);
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| 285 | *(USHORT *)lpOutBuffer = val;
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| 286 | *lpBytesReturned = sizeof(USHORT);
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| 287 | break;
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| 288 | case IOCTL_GPD_READ_PORT_ULONG:
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| 289 | if(nOutBufferSize < sizeof(ULONG))
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| 290 | return(FALSE);
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| 291 |
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| 292 | val = c_inl(port);
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| 293 | *(ULONG *)lpOutBuffer = val;
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| 294 | *lpBytesReturned = sizeof(ULONG);
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| 295 | break;
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| 296 | case IOCTL_GPD_WRITE_PORT_UCHAR:
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| 297 | val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
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| 298 | c_outb(port, val);
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| 299 | break;
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| 300 | case IOCTL_GPD_WRITE_PORT_USHORT:
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| 301 | val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
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| 302 | c_outw(port, val);
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| 303 | break;
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| 304 | case IOCTL_GPD_WRITE_PORT_ULONG:
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| 305 | val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
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| 306 | c_outl(port, val);
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| 307 | break;
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| 308 | default:
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| 309 | dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
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| 310 | return(FALSE);
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| 311 | }
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| 312 |
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| 313 | return(TRUE);
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| 314 | }
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| 315 | //******************************************************************************
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| 316 | //******************************************************************************
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| 317 | static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
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| 318 | {
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| 319 | PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
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| 320 | struct map_ioctl memmap;
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| 321 |
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| 322 | *lpBytesReturned = 0;
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| 323 |
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| 324 | switch((dwIoControlCode >> 2) & 0xFFF) {
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| 325 | case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
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| 326 | if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
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| 327 | return(FALSE);
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| 328 |
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| 329 | memmap.a.phys = meminfo->BusAddress.u.LowPart;
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| 330 | memmap.size = meminfo->Length;
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| 331 | dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
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| 332 | if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
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| 333 | dprintf(("mpioctl failed!\n"));
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| 334 | return(FALSE);
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| 335 | }
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| 336 |
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| 337 | dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
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| 338 | *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
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| 339 | break;
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| 340 | case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
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| 341 | dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
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| 342 | memmap.a.phys = *(ULONG *)lpInBuffer;
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| 343 | memmap.size = 0;
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| 344 | if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
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| 345 | return(FALSE);
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| 346 | break;
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| 347 | default:
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| 348 | dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
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| 349 | return(FALSE);
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| 350 | }
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| 351 |
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| 352 | return(TRUE);
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| 353 | }
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| 354 | //******************************************************************************
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| 355 | //******************************************************************************
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| 356 | static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
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| 357 | {
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| 358 | struct map_ioctl memmap;
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| 359 | MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
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| 360 |
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| 361 | switch(dwIoControlCode) {
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| 362 | case 1:
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| 363 | break;
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| 364 | case 2:
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| 365 | memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
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| 366 | memmap.size = vxdmem->mdr_SizeInBytes;
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| 367 | dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
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| 368 | if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
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| 369 | dprintf(("mpioctl failed!\n"));
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| 370 | return(FALSE);
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| 371 | }
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| 372 |
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| 373 | dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
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| 374 | vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
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| 375 | break;
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| 376 | default:
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| 377 | dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
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| 378 | return(FALSE);
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| 379 | }
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| 380 |
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| 381 | return(TRUE);
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| 382 | }
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| 383 | //******************************************************************************
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| 384 | //******************************************************************************
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| 385 | static BOOL VPCIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
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| 386 | {
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| 387 | APIRET rc;
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| 388 |
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| 389 | dprintf(("VPCIOCtl func %x: %x %d %x %d %x %x", dwIoControlCode, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped));
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| 390 | switch(dwIoControlCode) {
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| 391 | case 0x9C402880: //0x00
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| 392 | if(nOutBufferSize < 4) {
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| 393 | SetLastError(ERROR_BAD_LENGTH);
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| 394 | return FALSE;
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| 395 | }
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| 396 | *(DWORD *)lpOutBuffer = 0x60001;
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| 397 | *lpBytesReturned = 4;
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| 398 | return TRUE;
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| 399 |
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| 400 | case 0x9C402894: //0x14 (get IDT table)
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| 401 | {
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| 402 | DWORD *lpBuffer = (DWORD *)lpOutBuffer;
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| 403 | if(nOutBufferSize < 0x800) {
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| 404 | SetLastError(ERROR_BAD_LENGTH);
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| 405 | return FALSE;
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| 406 | }
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| 407 | memset(lpOutBuffer, 0, nOutBufferSize);
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| 408 | for(int i=0;i<32;i++) {
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| 409 | lpBuffer[i*2] = 0x0178c4c8;
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| 410 | lpBuffer[i*2+1] = 0xfff18F00;
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| 411 | }
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| 412 | for(i=0x50;i<0x57;i++) {
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| 413 | lpBuffer[i*2] = 0x0178c4c8;
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| 414 | lpBuffer[i*2+1] = 0xfff18E00;
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| 415 | }
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| 416 | for(i=0x70;i<0x77;i++) {
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| 417 | lpBuffer[i*2] = 0x0178c4c8;
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| 418 | lpBuffer[i*2+1] = 0xfff18E00;
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| 419 | }
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| 420 | lpBuffer[0x4F*2] = 0x0178c4c8;
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| 421 | lpBuffer[0x4F*2+1] = 0xfff18E00;
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| 422 | lpBuffer[0xEF*2] = 0x0178c4c8;
|
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| 423 | lpBuffer[0xEF*2+1] = 0xfff18E00;
|
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| 424 | *lpBytesReturned = 0xFF*8;
|
|---|
| 425 | return TRUE;
|
|---|
| 426 | }
|
|---|
| 427 | case 0x9C40288C: //0x0C change IDT
|
|---|
| 428 | if(nInBufferSize < 0x22) {
|
|---|
| 429 | SetLastError(ERROR_BAD_LENGTH);
|
|---|
| 430 | return FALSE;
|
|---|
| 431 | }
|
|---|
| 432 | fVirtualPC = TRUE;
|
|---|
| 433 | return TRUE;
|
|---|
| 434 |
|
|---|
| 435 | case 0x9C402884: //0x04 ExAllocatePoolWithTag
|
|---|
| 436 | {
|
|---|
| 437 | DWORD *lpBuffer = (DWORD *)lpInBuffer;
|
|---|
| 438 | if(nInBufferSize < 0x08) {
|
|---|
| 439 | SetLastError(ERROR_BAD_LENGTH);
|
|---|
| 440 | return FALSE;
|
|---|
| 441 | }
|
|---|
| 442 | dprintf(("In: %x %x", lpBuffer[0], lpBuffer[1]));
|
|---|
| 443 | return TRUE;
|
|---|
| 444 | }
|
|---|
| 445 |
|
|---|
| 446 | case 0x9C402898: //0x18 Remove IDT patch
|
|---|
| 447 | if(nInBufferSize < 0x01) {
|
|---|
| 448 | SetLastError(ERROR_BAD_LENGTH);
|
|---|
| 449 | return FALSE;
|
|---|
| 450 | }
|
|---|
| 451 | fVirtualPC = FALSE;
|
|---|
| 452 | return TRUE;
|
|---|
| 453 | default:
|
|---|
| 454 | dprintf(("VPCIOCtl unknown func %X\n", dwIoControlCode));
|
|---|
| 455 | return FALSE;
|
|---|
| 456 | }
|
|---|
| 457 | }
|
|---|
| 458 | //******************************************************************************
|
|---|
| 459 | //******************************************************************************
|
|---|
| 460 | HMCustomDriver::HMCustomDriver(HINSTANCE hInstance, LPCSTR lpDeviceName)
|
|---|
| 461 | : HMDeviceDriver(lpDeviceName), hDrvDll(0)
|
|---|
| 462 | {
|
|---|
| 463 | hDrvDll = hInstance ;
|
|---|
| 464 | *(ULONG *)&driverOpen = (ULONG)GetProcAddress(hDrvDll, "DrvOpen");
|
|---|
| 465 | *(ULONG *)&driverClose = (ULONG)GetProcAddress(hDrvDll, "DrvClose");
|
|---|
| 466 | *(ULONG *)&driverIOCtl = (ULONG)GetProcAddress(hDrvDll, "DrvIOCtl");
|
|---|
| 467 | }
|
|---|
| 468 | //******************************************************************************
|
|---|
| 469 | //******************************************************************************
|
|---|
| 470 | HMCustomDriver::HMCustomDriver(PFNDRVOPEN pfnDriverOpen, PFNDRVCLOSE pfnDriverClose,
|
|---|
| 471 | PFNDRVIOCTL pfnDriverIOCtl, LPCSTR lpDeviceName)
|
|---|
| 472 | : HMDeviceDriver(lpDeviceName), hDrvDll(0)
|
|---|
| 473 | {
|
|---|
| 474 | driverOpen = pfnDriverOpen;
|
|---|
| 475 | driverClose = pfnDriverClose;
|
|---|
| 476 | driverIOCtl = pfnDriverIOCtl;
|
|---|
| 477 | }
|
|---|
| 478 | //******************************************************************************
|
|---|
| 479 | //******************************************************************************
|
|---|
| 480 | HMCustomDriver::~HMCustomDriver()
|
|---|
| 481 | {
|
|---|
| 482 | if(hDrvDll) FreeLibrary(hDrvDll);
|
|---|
| 483 | }
|
|---|
| 484 | //******************************************************************************
|
|---|
| 485 | //******************************************************************************
|
|---|
| 486 | DWORD HMCustomDriver::CreateFile (HANDLE hHandle,
|
|---|
| 487 | LPCSTR lpFileName,
|
|---|
| 488 | PHMHANDLEDATA pHMHandleData,
|
|---|
| 489 | PVOID lpSecurityAttributes,
|
|---|
| 490 | PHMHANDLEDATA pHMHandleDataTemplate)
|
|---|
| 491 | {
|
|---|
| 492 | pHMHandleData->hHMHandle = driverOpen(pHMHandleData->dwAccess, pHMHandleData->dwShare);
|
|---|
| 493 | if(pHMHandleData->hHMHandle == 0) {
|
|---|
| 494 | return 2;
|
|---|
| 495 | }
|
|---|
| 496 | return 0;
|
|---|
| 497 | }
|
|---|
| 498 | //******************************************************************************
|
|---|
| 499 | //******************************************************************************
|
|---|
| 500 | BOOL HMCustomDriver::CloseHandle(PHMHANDLEDATA pHMHandleData)
|
|---|
| 501 | {
|
|---|
| 502 | if(pHMHandleData->hHMHandle) {
|
|---|
| 503 | driverClose(pHMHandleData->hHMHandle);
|
|---|
| 504 | }
|
|---|
| 505 | pHMHandleData->hHMHandle = 0;
|
|---|
| 506 | return TRUE;
|
|---|
| 507 | }
|
|---|
| 508 | //******************************************************************************
|
|---|
| 509 | //******************************************************************************
|
|---|
| 510 | BOOL HMCustomDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode,
|
|---|
| 511 | LPVOID lpInBuffer, DWORD nInBufferSize,
|
|---|
| 512 | LPVOID lpOutBuffer, DWORD nOutBufferSize,
|
|---|
| 513 | LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
|
|---|
| 514 | {
|
|---|
| 515 | BOOL ret;
|
|---|
| 516 |
|
|---|
| 517 | ret = driverIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize,
|
|---|
| 518 | lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
|
|---|
| 519 | dprintf(("DeviceIoControl %x returned %d", dwIoControlCode, ret));
|
|---|
| 520 | return ret;
|
|---|
| 521 | }
|
|---|
| 522 | //******************************************************************************
|
|---|
| 523 | //******************************************************************************
|
|---|
| 524 | BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
|
|---|
| 525 | {
|
|---|
| 526 | QWORD time;
|
|---|
| 527 | APIRET rc;
|
|---|
| 528 |
|
|---|
| 529 | rc = DosTmrQueryTime(&time);
|
|---|
| 530 | if(rc) {
|
|---|
| 531 | dprintf(("DosTmrQueryTime returned %d\n", rc));
|
|---|
| 532 | return(FALSE);
|
|---|
| 533 | }
|
|---|
| 534 | lpPerformanceCount->u.LowPart = time.ulLo;
|
|---|
| 535 | lpPerformanceCount->u.HighPart = time.ulHi;
|
|---|
| 536 | return(TRUE);
|
|---|
| 537 | }
|
|---|
| 538 | //******************************************************************************
|
|---|
| 539 | //******************************************************************************
|
|---|
| 540 | BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
|
|---|
| 541 | {
|
|---|
| 542 | APIRET rc;
|
|---|
| 543 | ULONG freq;
|
|---|
| 544 |
|
|---|
| 545 | rc = DosTmrQueryFreq(&freq);
|
|---|
| 546 | if(rc) {
|
|---|
| 547 | dprintf(("DosTmrQueryFreq returned %d\n", rc));
|
|---|
| 548 | return(FALSE);
|
|---|
| 549 | }
|
|---|
| 550 | lpFrequency->u.LowPart = freq;
|
|---|
| 551 | lpFrequency->u.HighPart = 0;
|
|---|
| 552 | dprintf2(("QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
|
|---|
| 553 | return(TRUE);
|
|---|
| 554 | }
|
|---|
| 555 | //******************************************************************************
|
|---|
| 556 | //******************************************************************************
|
|---|