summaryrefslogtreecommitdiff
path: root/hw/xfree86/os-support/shared/stdResource.c
blob: 83ad0bb42d7c4bfaadb58fcf797a193070b72acb (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
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/stdResource.c,v 1.22 2003/08/24 17:37:06 dawes Exp $ */
/*
 * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

/* Standard resource information code */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#ifdef __UNIXOS2__
# define I_NEED_OS2_H
#endif
#include <X11/X.h>
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Privstr.h"
#include "xf86Pci.h"
#define NEED_OS_RAC_PROTOS
#include "xf86_OSlib.h"
#include "xf86Resources.h"

#ifdef __UNIXOS2__
# undef ADDRESS
#endif
/* Avoid Imakefile changes */
#include "bus/Pci.h"

#ifdef USESTDRES
#define xf86StdBusAccWindowsFromOS xf86BusAccWindowsFromOS
#define xf86StdAccResFromOS xf86AccResFromOS
#define xf86StdPciBusAccWindowsFromOS xf86PciBusAccWindowsFromOS
#define xf86StdIsaBusAccWindowsFromOS xf86IsaBusAccWindowsFromOS

_X_EXPORT resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
#endif

#ifdef INCLUDE_XF86_NO_DOMAIN

resPtr
xf86StdBusAccWindowsFromOS(void)
{
    /* Fallback is to allow addressing of all memory space */
    resPtr ret = NULL;
    resRange range;

    RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);

    /* Fallback is to allow addressing of all I/O space */
    RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
    ret = xf86AddResToList(ret, &range, -1);
    return ret;
}

resPtr
xf86StdPciBusAccWindowsFromOS(void)
{
    /* Fallback is to allow addressing of all memory space */
    resPtr ret = NULL;
    resRange range;

    RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);

    /* Fallback is to allow addressing of all I/O space */
    RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
    ret = xf86AddResToList(ret, &range, -1);
    return ret;
}

#ifdef INCLUDE_UNUSED

resPtr
xf86StdIsaBusAccWindowsFromOS(void)
{
    /* Fallback is to allow addressing of all memory space */
    resPtr ret = NULL;
    resRange range;

    RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);

    /* Fallback is to allow addressing of all I/O space */
    RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
    ret = xf86AddResToList(ret, &range, -1);
    return ret;
}

#endif /* INCLUDE_UNUSED */

resPtr
xf86StdAccResFromOS(resPtr ret)
{
    resRange range;

    /*
     * Fallback is to claim the following areas:
     *
     * 0x00000000 - 0x0009ffff	low 640k host memory
     * 0x000c0000 - 0x000effff  location of VGA and other extensions ROMS
     * 0x000f0000 - 0x000fffff	system BIOS
     * 0x00100000 - 0x3fffffff	low 1G - 1MB host memory
     * 0xfec00000 - 0xfecfffff	default I/O APIC config space
     * 0xfee00000 - 0xfeefffff	default Local APIC config space
     * 0xffe00000 - 0xffffffff	high BIOS area (should this be included?)
     *
     * reference: Intel 440BX AGP specs
     *
     * The two APIC spaces appear to be BX-specific and should be dealt with
     * elsewhere.
     */

    /* Fallback is to claim 0x0 - 0x9ffff and 0x100000 - 0x7fffffff */
    RANGE(range, 0x00000000, 0x0009ffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0x000f0000, 0x000fffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0x00100000, 0x3fffffff,
	ResExcMemBlock | ResBios | ResEstimated);
    ret = xf86AddResToList(ret, &range, -1);
#if 0
    RANGE(range, 0xfec00000, 0xfecfffff, ResExcMemBlock | ResBios);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0xfee00000, 0xfeefffff, ResExcMemBlock | ResBios);
    ret = xf86AddResToList(ret, &range, -1);
    /* airlied - remove BIOS range it shouldn't be here 
       this should use E820 - or THE OS */
    RANGE(range, 0xffe00000, 0xffffffff, ResExcMemBlock | ResBios);
    ret = xf86AddResToList(ret, &range, -1);
#endif
    /*
     * Fallback would be to claim well known ports in the 0x0 - 0x3ff range
     * along with their sparse I/O aliases, but that's too imprecise.  Instead
     * claim a bare minimum here.
     */
    RANGE(range, 0x00000000, 0x000000ff, ResExcIoBlock); /* For mainboard */
    ret = xf86AddResToList(ret, &range, -1);

    /*
     * At minimum, the top and bottom resources must be claimed, so that
     * resources that are (or appear to be) unallocated can be relocated.
     */
/*  RANGE(range, 0x00000000, 0x00000000, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0xffffffff, 0xffffffff, ResExcMemBlock);
    ret = xf86AddResToList(ret, &range, -1);
    RANGE(range, 0x00000000, 0x00000000, ResExcIoBlock);
    ret = xf86AddResToList(ret, &range, -1); */
    RANGE(range, 0x0000ffff, 0x0000ffff, ResExcIoBlock);
    ret = xf86AddResToList(ret, &range, -1);

    /* XXX add others */
    return ret;
}

#endif /* INCLUDE_XF86_NO_DOMAIN */