source: trunk/src/kernel32/devio.cpp@ 1323

Last change on this file since 1323 was 617, checked in by sandervl, 26 years ago

Exception handler changes
File size: 10.3 KB
Line 
1/* $Id: devio.cpp,v 1.4 1999-08-22 11:11:09 sandervl Exp $ */
2
3/*
4 * Win32 Device IOCTL API functions for OS/2
5 *
6 * Copyright 1998 Sander van Leeuwen
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#define INCL_DOSPROFILE
13#define INCL_DOSDEVICES
14#define INCL_DOSDEVIOCTL
15#define INCL_GPI
16#define INCL_DOSFILEMGR /* File Manager values */
17#define INCL_DOSERRORS /* DOS Error values */
18#define INCL_DOSPROCESS /* DOS Process values */
19#define INCL_DOSMISC /* DOS Miscellanous values */
20#include <os2wrap.h> //Odin32 OS/2 api wrappers
21#include <string.h>
22
23#include <win32type.h>
24#include <misc.h>
25#include "devio.h"
26#include "cio.h"
27#include "map.h"
28#include "exceptutil.h"
29
30static fX86Init = FALSE;
31//SvL: Used in iccio.asm (how can you put these in the .asm data segment without messing things up?)
32ULONG ioentry = 0;
33USHORT gdt = 0;
34char devname[] = "/dev/fastio$";
35
36static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
37static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
38static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
39
40static WIN32DRV knownDriver[] =
41 {{"GpdDev", "", TRUE, 666, GpdDevIOCtl},
42 {"MAPMEM", "PMAP$", FALSE, 0, MAPMEMIOCtl},
43 {"FXMEMMAP.VXD", "PMAP$", FALSE, 0, FXMEMMAPIOCtl}};
44
45static int nrKnownDrivers = sizeof(knownDriver)/sizeof(WIN32DRV);
46
47//******************************************************************************
48//******************************************************************************
49BOOL WIN32API DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
50 LPVOID lpInBuffer, DWORD nInBufferSize,
51 LPVOID lpOutBuffer, DWORD nOutBufferSize,
52 LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
53{
54 int i;
55
56 for(i=0;i<nrKnownDrivers;i++) {
57 if(hDevice == knownDriver[i].hDevice) {
58 return knownDriver[i].devIOCtl(hDevice, dwIoControlCode,
59 lpInBuffer, nInBufferSize,
60 lpOutBuffer, nOutBufferSize,
61 lpBytesReturned, lpOverlapped);
62 }
63 }
64 dprintf(("DeviceIoControl: Device not found!\n"));
65 return(FALSE);
66}
67//******************************************************************************
68//******************************************************************************
69static BOOL GpdDevIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
70{
71 ULONG port, val = 0;
72
73 if(fX86Init == FALSE) {
74 if(io_init() == 0)
75 fX86Init = TRUE;
76 else return(FALSE);
77 }
78
79 *lpBytesReturned = 0;
80
81 port = ((GENPORT_WRITE_INPUT *)lpInBuffer)->PortNumber;
82
83 switch((dwIoControlCode >> 2) & 0xFFF) {
84 case IOCTL_GPD_READ_PORT_UCHAR:
85 if(nOutBufferSize < sizeof(char))
86 return(FALSE);
87
88 val = c_inb(port);
89 *(char *)lpOutBuffer = val;
90 *lpBytesReturned = sizeof(char);
91 break;
92 case IOCTL_GPD_READ_PORT_USHORT:
93 if(nOutBufferSize < sizeof(USHORT))
94 return(FALSE);
95
96 val = c_inw(port);
97 *(USHORT *)lpOutBuffer = val;
98 *lpBytesReturned = sizeof(USHORT);
99 break;
100 case IOCTL_GPD_READ_PORT_ULONG:
101 if(nOutBufferSize < sizeof(ULONG))
102 return(FALSE);
103
104 val = c_inl(port);
105 *(ULONG *)lpOutBuffer = val;
106 *lpBytesReturned = sizeof(ULONG);
107 break;
108 case IOCTL_GPD_WRITE_PORT_UCHAR:
109 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->CharData;
110 c_outb(port, val);
111 break;
112 case IOCTL_GPD_WRITE_PORT_USHORT:
113 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->ShortData;
114 c_outw(port, val);
115 break;
116 case IOCTL_GPD_WRITE_PORT_ULONG:
117 val = ((GENPORT_WRITE_INPUT *)lpInBuffer)->LongData;
118 c_outl(port, val);
119 break;
120 default:
121 dprintf(("GpdDevIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
122 return(FALSE);
123 }
124
125 return(TRUE);
126}
127//******************************************************************************
128//******************************************************************************
129static BOOL MAPMEMIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
130{
131 PHYSICAL_MEMORY_INFO *meminfo = (PHYSICAL_MEMORY_INFO *)lpInBuffer;
132 struct map_ioctl memmap;
133
134 *lpBytesReturned = 0;
135
136 switch((dwIoControlCode >> 2) & 0xFFF) {
137 case IOCTL_MAPMEM_MAP_USER_PHYSICAL_MEMORY:
138 if(nInBufferSize != sizeof(PHYSICAL_MEMORY_INFO))
139 return(FALSE);
140
141 memmap.a.phys = meminfo->BusAddress.u.LowPart;
142 memmap.size = meminfo->Length;
143 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
144 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
145 dprintf(("mpioctl failed!\n"));
146 return(FALSE);
147 }
148
149 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
150 *(ULONG *)lpOutBuffer = (ULONG)memmap.a.user;
151 break;
152 case IOCTL_MAPMEM_UNMAP_USER_PHYSICAL_MEMORY:
153 dprintf(("Unmap mapping %X\n", *(ULONG *)lpInBuffer));
154 memmap.a.phys = *(ULONG *)lpInBuffer;
155 memmap.size = 0;
156 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1)
157 return(FALSE);
158 break;
159 default:
160 dprintf(("MAPMEMIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
161 return(FALSE);
162 }
163
164 return(TRUE);
165}
166//******************************************************************************
167//******************************************************************************
168static BOOL FXMEMMAPIOCtl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
169{
170 struct map_ioctl memmap;
171 MAPDEVREQUEST *vxdmem = (MAPDEVREQUEST *)lpInBuffer;
172
173 switch(dwIoControlCode) {
174 case 1:
175 break;
176 case 2:
177// _interrupt(3);
178 memmap.a.phys = (DWORD)vxdmem->mdr_PhysicalAddress;
179 memmap.size = vxdmem->mdr_SizeInBytes;
180 dprintf(("DeviceIoControl map phys address %X length %X\n", memmap.a.phys, memmap.size));
181 if(mpioctl((HFILE)hDevice, IOCTL_MAP, &memmap) == -1) {
182 dprintf(("mpioctl failed!\n"));
183 return(FALSE);
184 }
185
186 dprintf(("DeviceIoControl map virt address = %X\n", memmap.a.user));
187 vxdmem->mdr_LinearAddress = (PVOID)memmap.a.user;
188 break;
189 default:
190 dprintf(("FXMEMMAPIOCtl unknown func %X\n", (dwIoControlCode >> 2) & 0xFFF));
191 return(FALSE);
192 }
193
194 return(TRUE);
195}
196//******************************************************************************
197//******************************************************************************
198void OS2CloseFile(HANDLE hDevice)
199{
200 DosClose((HFILE)hDevice);
201}
202//******************************************************************************
203//******************************************************************************
204HANDLE OS2CreateFile(char *szName, DWORD fdwAccess, DWORD fdwShareMode)
205{
206 APIRET rc;
207 int i;
208 char *drvname = NULL;
209 HFILE hfFileHandle = 0L; /* Handle for file being manipulated */
210 ULONG ulAction = 0; /* Action taken by DosOpen */
211 ULONG sharetype = 0;
212
213 for(i=0;i<nrKnownDrivers;i++) {
214 if(strcmp(szName, knownDriver[i].szWin32Name) == 0) {
215 drvname = knownDriver[i].szOS2Name;
216 break;
217 }
218 }
219 if(drvname == 0) {
220 return(0);
221 }
222
223 //TODO
224 if(knownDriver[i].fCreateFile == TRUE)
225 return(knownDriver[i].hDevice);
226
227 if(fdwAccess & (GENERIC_READ | GENERIC_WRITE))
228 sharetype |= OPEN_ACCESS_READWRITE;
229 else
230 if(fdwAccess & GENERIC_WRITE)
231 sharetype |= OPEN_ACCESS_WRITEONLY;
232
233 if(fdwShareMode == 0)
234 sharetype |= OPEN_SHARE_DENYREADWRITE;
235 else
236 if(fdwShareMode & (FILE_SHARE_READ | FILE_SHARE_WRITE))
237 sharetype |= OPEN_SHARE_DENYNONE;
238 else
239 if(fdwShareMode & FILE_SHARE_WRITE)
240 sharetype |= OPEN_SHARE_DENYREAD;
241 else
242 if(fdwShareMode & FILE_SHARE_READ)
243 sharetype |= OPEN_SHARE_DENYWRITE;
244
245 rc = DosOpen( drvname, /* File path name */
246 &hfFileHandle, /* File handle */
247 &ulAction, /* Action taken */
248 0,
249 FILE_NORMAL,
250 FILE_OPEN,
251 sharetype,
252 0L); /* No extended attribute */
253
254 dprintf(("DosOpen %s returned %d\n", drvname, rc));
255
256 if(rc == NO_ERROR) {
257 knownDriver[i].hDevice = (DWORD)hfFileHandle;
258 return((HANDLE)hfFileHandle);
259 }
260 else return(0);
261}
262//******************************************************************************
263//******************************************************************************
264BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
265{
266 QWORD time;
267 APIRET rc;
268
269 rc = DosTmrQueryTime(&time);
270 if(rc) {
271 dprintf(("DosTmrQueryTime returned %d\n", rc));
272 return(FALSE);
273 }
274 lpPerformanceCount->u.LowPart = time.ulLo;
275 lpPerformanceCount->u.HighPart = time.ulHi;
276 return(TRUE);
277}
278//******************************************************************************
279//******************************************************************************
280BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
281{
282 APIRET rc;
283 ULONG freq;
284
285 rc = DosTmrQueryFreq(&freq);
286 if(rc) {
287 dprintf(("DosTmrQueryFreq returned %d\n", rc));
288 return(FALSE);
289 }
290 lpFrequency->u.LowPart = freq;
291 lpFrequency->u.HighPart = 0;
292 dprintf(("OS2QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart));
293 return(TRUE);
294}
295//******************************************************************************
296//******************************************************************************
297
Note: See TracBrowser for help on using the repository browser.