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
|
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsdResource.c,v 1.1 2000/03/05 16:59:17 dawes Exp $ */
/* Resource information code */
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Privstr.h"
#include "xf86Pci.h"
#include "xf86Resources.h"
#define NEED_OS_RAC_PROTOS
#include "xf86_OSlib.h"
#ifdef __alpha__
#include <sys/sysctl.h>
resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
resPtr
xf86BusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range,0,0xffffffff,ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range,0,0xffffffff,ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
resPtr
xf86PciBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
/*
* Only allow the upper half of the pci memory range to be used
* for allocation. The lower half includes magic regions for DMA.
* XXX this is not right for XP1000's and similar where we use the
* region 0x40000000-0xbfffffff for DMA but this only matters if
* the bios screws up the pci region mappings.
*/
RANGE(range,0x80000000,0xffffffff,ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range,0,0xffffffff,ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
resPtr
xf86IsaBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range,0,0xffffffff,ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range,0,0xffffffff,ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
resPtr
xf86AccResFromOS(resPtr ret)
{
resRange range;
/*
* Fallback is to claim the following areas:
*
* 0x000C0000 - 0x000EFFFF location of VGA and other extensions ROMS
*/
RANGE(range,0xc0000,0xeffff,ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
/* Fallback is to claim well known ports in the 0x0 - 0x3ff range */
/* Possibly should claim some of them as sparse ranges */
RANGE(range,0,0x1ff,ResExcIoBlock | ResEstimated);
ret = xf86AddResToList(ret, &range, -1);
/* XXX add others */
return ret;
}
#else
#error : Put your platform dependent code here!!
#endif
|
