aboutsummaryrefslogtreecommitdiffhomepage
path: root/libdha/sysdep/AsmMacros_x86.h
blob: c2ab1dc2179b7387ded6a391522fa0ba39c55aa6 (plain)
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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
/*
   This file is based on:
   $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
   Modified for readability by Nick Kurshev
*/

#ifndef __ASM_MACROS_X86_H
#define __ASM_MACROS_X86_H

//#if defined (WINNT)
//#error This stuff is not ported on your system
//#else

#include "config.h"

#ifdef CONFIG_DHAHELPER
#include <sys/ioctl.h>
#include "../kernelhelper/dhahelper.h"

extern int dhahelper_fd;
extern int dhahelper_initialized;
#endif

#ifdef CONFIG_SVGAHELPER
#include <sys/ioctl.h>
#include <svgalib_helper.h>

#ifndef SVGALIB_HELPER_IOC_MAGIC
/* svgalib 1.9.18+ compatibility ::atmos */
#define SVGALIB_HELPER_IOCSOUTB	SVGAHELPER_OUTB
#define SVGALIB_HELPER_IOCSOUTW	SVGAHELPER_OUTW
#define SVGALIB_HELPER_IOCSOUTL	SVGAHELPER_OUTL
#define SVGALIB_HELPER_IOCGINB	SVGAHELPER_INB
#define SVGALIB_HELPER_IOCGINW	SVGAHELPER_INW
#define SVGALIB_HELPER_IOCGINL	SVGAHELPER_INL
#endif

extern int svgahelper_fd;
extern int svgahelper_initialized;

static __inline__ void svga_outb(short port, char value)
{
    io_t iov;
    
    iov.val = value;
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTB, &iov);
}

static __inline__ void svga_outw(short port, char value)
{
    io_t iov;
    
    iov.val = value;
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTW, &iov);
}

static __inline__ void svga_outl(short port, unsigned int value)
{
    io_t iov;
    
    iov.val = value;
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTL, &iov);
}

static __inline__ unsigned int svga_inb(short port)
{
    io_t iov;
    
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINB, &iov);
    
    return iov.val;
}

static __inline__ unsigned int svga_inw(short port)
{
    io_t iov;
    
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINW, &iov);
    
    return iov.val;
}

static __inline__ unsigned int svga_inl(short port)
{
    io_t iov;
    
    iov.port = port;
    ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINL, &iov);
    
    return iov.val;
}
#endif /* CONIFG_SVGAHELPER */

static __inline__ void outb(short port,char val)
{
#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	svga_outb(port, val);
	return;
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_WRITE;
	_port.addr = port;
	_port.size = 1;
	_port.value = val;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return;
    }
    else
#endif
   __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
    return;
}

static __inline__ void outw(short port,short val)
{
#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	svga_outw(port, val);
	return;
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_WRITE;
	_port.addr = port;
	_port.size = 2;
	_port.value = val;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return;
    }
    else
#endif
   __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
    return;
}

static __inline__ void outl(short port,unsigned int val)
{
#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	svga_outl(port, val);
	return;
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_WRITE;
	_port.addr = port;
	_port.size = 4;
	_port.value = val;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return;
    }
    else
#endif
   __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
    return;
}

static __inline__ unsigned int inb(short port)
{
   unsigned char ret = 0;

#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	return svga_inb(port);
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_READ;
	_port.addr = port;
	_port.size = 1;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return _port.value;
    }
    else
#endif
   __asm__ __volatile__("inb %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

static __inline__ unsigned int inw(short port)
{
   unsigned short ret = 0;

#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	return svga_inw(port);
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_READ;
	_port.addr = port;
	_port.size = 2;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return _port.value;
    }
    else
#endif
   __asm__ __volatile__("inw %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

static __inline__ unsigned int inl(short port)
{
   unsigned int ret = 0;

#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
    {
	return svga_inl(port);
    }
#endif

#ifdef CONFIG_DHAHELPER
    if (dhahelper_initialized == 1)
    {
	dhahelper_port_t _port;
	
	_port.operation = PORT_OP_READ;
	_port.addr = port;
	_port.size = 4;
        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
	    return _port.value;
    }
    else
#endif
   __asm__ __volatile__("inl %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

static __inline__ void intr_disable()
{
#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
	return;
#endif
  __asm__ __volatile__("cli");
}

static __inline__ void intr_enable()
{
#ifdef CONFIG_SVGAHELPER
    if (svgahelper_initialized == 1)
	return;
#endif
  __asm__ __volatile__("sti");
}

#endif

//#endif