1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/****************************************************************************
*
* SciTech OS Portability Manager Library
*
* ========================================================================
*
* The contents of this file are subject to the SciTech MGL Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.scitechsoft.com/mgl-license.txt
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
*
* The Initial Developer of the Original Code is SciTech Software, Inc.
* All Rights Reserved.
*
* ========================================================================
*
* Language: ANSI C
* Environment: Win32, OS/2
*
* Description: Include file for the SciTech Portability Manager 32-bit
* helper VxD for Windows 9x for and the 16-bit ring 0
* helper device driver for OS/2.
*
* This file documents all the public services used by the
* SciTech Portability Manager library and SciTech Nucleus
* loader library.
*
****************************************************************************/
#ifndef __PMHELP_H
#define __PMHELP_H
/* Include version information */
#include "sdd/sddver.h"
#define PMHELP_Major SDD_RELEASE_MAJOR
#define PMHELP_Minor SDD_RELEASE_MINOR
#define PMHELP_VERSION ((PMHELP_Major << 8) | PMHELP_Minor)
#ifdef __OS2__
/****************************************************************************
* Public OS/2 Support functions
****************************************************************************/
#include "scitech.h"
#include "nucleus/graphics.h"
/* Name of device driver */
#define PMHELP_NAME (PSZ)"sddhelp$"
/* Main IOCTL function to talk to device driver */
#define PMHELP_IOCTL 0x0080
/* Macro definition for defining IOCTL function control codes for the SDDHELP
* device driver for OS/2. Similar to that used for the DOS/Win32 version.
*/
#define PMHELP_CTL_CODE(name,value) \
PMHELP_##name = value
typedef enum {
/* Version function used by all drivers */
PMHELP_CTL_CODE(GETVER ,0x0001),
PMHELP_CTL_CODE(MAPPHYS ,0x0002),
PMHELP_CTL_CODE(ALLOCLOCKED ,0x0003),
PMHELP_CTL_CODE(FREELOCKED ,0x0004),
PMHELP_CTL_CODE(GETGDT32 ,0x0005),
PMHELP_CTL_CODE(MALLOCSHARED ,0x0007),
PMHELP_CTL_CODE(FREESHARED ,0x0008),
PMHELP_CTL_CODE(MAPTOPROCESS ,0x0009),
PMHELP_CTL_CODE(FREEPHYS ,0x000A),
PMHELP_CTL_CODE(FLUSHTLB ,0x000B),
PMHELP_CTL_CODE(SAVECR4 ,0x000C),
PMHELP_CTL_CODE(RESTORECR4 ,0x000D),
PMHELP_CTL_CODE(READMSR ,0x000E),
PMHELP_CTL_CODE(WRITEMSR ,0x000F),
PMHELP_CTL_CODE(GETPHYSICALADDR ,0x0010),
PMHELP_CTL_CODE(GETPHYSICALADDRRANGE ,0x0011),
PMHELP_CTL_CODE(LOCKPAGES ,0x0012),
PMHELP_CTL_CODE(UNLOCKPAGES ,0x0013),
PMHELP_CTL_CODE(GETSHAREDEXP ,0x0042),
PMHELP_CTL_CODE(SETSHAREDEXP ,0x0043),
PMHELP_CTL_CODE(GETSTACKSWITCHRTN ,0x0044),
PMHELP_CTL_CODE(GETBUILDNO ,0x0050),
} PMHELP_ctlCodes;
#else
/****************************************************************************
* Public DOS/Windows Support functions
****************************************************************************/
#ifdef DEVICE_MAIN
#include <vtoolsc.h>
#define PMHELP_Init_Order (VDD_INIT_ORDER-1)
#define RETURN_LONGS(n) *p->dioc_bytesret = (n) * sizeof(ulong)
#endif /* DEVICE_MAIN */
#include "scitech.h"
#include "nucleus/graphics.h"
/* We connect to the SDDHELP.VXD module if it is staticly loaded (as part
* of SciTech Display Doctor), otherwise we dynamically load the PMHELP.VXD
* public helper VxD.
*/
#define PMHELP_DeviceID 0x0000
#define SDDHELP_DeviceID 0x3DF8
#define VXDLDR_DeviceID 0x0027
#define SDDHELP_MODULE "SDDHELP"
#define SDDHELP_NAME "SDDHELP.VXD"
#define PMHELP_MODULE "PMHELP"
#define PMHELP_NAME "PMHELP.VXD"
#define PMHELP_DDBNAME "pmhelp "
#define SDDHELP_MODULE_PATH "\\\\.\\" SDDHELP_MODULE
#define PMHELP_MODULE_PATH "\\\\.\\" PMHELP_MODULE
#define PMHELP_VXD_PATH "\\\\.\\" PMHELP_NAME
/* Macro definition for defining IOCTL function control codes for the PMHELP
* device drivers for Windows 9x and NT. This macro is basically derived from
* the CTL_CODE macro in the Windows 2000 DDK, but we hard code it here to
* avoid having to #include any of the Windows 2000 DDK header files. We also
* define both a 16-bit and 32-bit version of the control code within the same
* macro to simplify future additions.
*
* Essentially the Win32 macro would normally expand to the following:
*
* CTL_CODE(FILE_DEVICE_VIDEO,0x800+value,METHOD_BUFFERED,FILE_ANY_ACCESS)
*/
#define PMHELP_CTL_CODE(name,value) \
PMHELP_##name = value, \
PMHELP_##name##32 = ((0x23 << 16) | (0 << 14) | ((0x800+value) << 2) | (0))
typedef enum {
/* Include all the control codes. We keep them in a separate header
* file so we can include them in multiple places to make this
* more versatile.
*/
#include "pm_wctl.h"
} PMHELP_ctlCodes;
/* For real mode VxD calls, we put the function number into the high
* order word of EAX, and a value of 0x4FFF in AX. This allows our
* VxD handler which is set up to handle Int 10's to recognise a native
* PMHELP API call from a real mode DOS program.
*/
#ifdef REALMODE
#define API_NUM(num) (((ulong)(num) << 16) | 0x4FFF)
#else
#define API_NUM(num) (num)
#endif
#endif /* !__OS2__ */
#endif /* __PMHELP_H */
|
