1/*-
2 * Copyright (c) 2000 Mitsaru Iwasaki
3 * Copyright (c) 2000 Michael Smith
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29/*
30 * 6.2 : Memory Management
31 */
32
33#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2000 Mitsaru Iwasaki
3 * Copyright (c) 2000 Michael Smith
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29/*
30 * 6.2 : Memory Management
31 */
32
33#include <sys/cdefs.h>
|
34__FBSDID("$FreeBSD: head/sys/dev/acpica/Osd/OsdMemory.c 148318 2005-07-22 23:10:02Z njl $");
| 34__FBSDID("$FreeBSD: head/sys/dev/acpica/Osd/OsdMemory.c 150003 2005-09-11 18:39:03Z obrien $");
|
35
| 35
|
36#include "acpi.h"
| 36#include <contrib/dev/acpica/acpi.h>
|
37
38#include <sys/kernel.h>
39#include <sys/malloc.h>
40#include <vm/vm.h>
41#include <vm/pmap.h>
42
43MALLOC_DEFINE(M_ACPICA, "acpica", "ACPI CA memory pool");
44
45void *
46AcpiOsAllocate(ACPI_SIZE Size)
47{
48 return (malloc(Size, M_ACPICA, M_NOWAIT));
49}
50
51void
52AcpiOsFree(void *Memory)
53{
54 free(Memory, M_ACPICA);
55}
56
57ACPI_STATUS
58AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress, ACPI_SIZE Length,
59 void **LogicalAddress)
60{
61 *LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
62 if (*LogicalAddress == NULL)
63 return (AE_BAD_ADDRESS);
64 return (AE_OK);
65}
66
67void
68AcpiOsUnmapMemory(void *LogicalAddress, ACPI_SIZE Length)
69{
70 pmap_unmapdev((vm_offset_t)LogicalAddress, Length);
71}
72
73ACPI_STATUS
74AcpiOsGetPhysicalAddress(void *LogicalAddress,
75 ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
76{
77 /* We can't necessarily do this, so cop out. */
78 return (AE_BAD_ADDRESS);
79}
80
81/*
82 * There is no clean way to do this. We make the charitable assumption
83 * that callers will not pass garbage to us.
84 */
85BOOLEAN
86AcpiOsReadable (void *Pointer, ACPI_SIZE Length)
87{
88 return (TRUE);
89}
90
91BOOLEAN
92AcpiOsWritable (void *Pointer, ACPI_SIZE Length)
93{
94 return (TRUE);
95}
96
97ACPI_STATUS
98AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width)
99{
100 void *LogicalAddress;
101
102 if (AcpiOsMapMemory(Address, Width / 8, &LogicalAddress) != AE_OK)
103 return (AE_NOT_EXIST);
104
105 switch (Width) {
106 case 8:
107 *(u_int8_t *)Value = (*(volatile u_int8_t *)LogicalAddress);
108 break;
109 case 16:
110 *(u_int16_t *)Value = (*(volatile u_int16_t *)LogicalAddress);
111 break;
112 case 32:
113 *(u_int32_t *)Value = (*(volatile u_int32_t *)LogicalAddress);
114 break;
115 case 64:
116 *(u_int64_t *)Value = (*(volatile u_int64_t *)LogicalAddress);
117 break;
118 default:
119 /* debug trap goes here */
120 break;
121 }
122
123 AcpiOsUnmapMemory(LogicalAddress, Width / 8);
124
125 return (AE_OK);
126}
127
128ACPI_STATUS
129AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width)
130{
131 void *LogicalAddress;
132
133 if (AcpiOsMapMemory(Address, Width / 8, &LogicalAddress) != AE_OK)
134 return (AE_NOT_EXIST);
135
136 switch (Width) {
137 case 8:
138 (*(volatile u_int8_t *)LogicalAddress) = Value & 0xff;
139 break;
140 case 16:
141 (*(volatile u_int16_t *)LogicalAddress) = Value & 0xffff;
142 break;
143 case 32:
144 (*(volatile u_int32_t *)LogicalAddress) = Value & 0xffffffff;
145 break;
146 case 64:
147 (*(volatile u_int64_t *)LogicalAddress) = Value;
148 break;
149 default:
150 /* debug trap goes here */
151 break;
152 }
153
154 AcpiOsUnmapMemory(LogicalAddress, Width / 8);
155
156 return (AE_OK);
157}
| 37
38#include <sys/kernel.h>
39#include <sys/malloc.h>
40#include <vm/vm.h>
41#include <vm/pmap.h>
42
43MALLOC_DEFINE(M_ACPICA, "acpica", "ACPI CA memory pool");
44
45void *
46AcpiOsAllocate(ACPI_SIZE Size)
47{
48 return (malloc(Size, M_ACPICA, M_NOWAIT));
49}
50
51void
52AcpiOsFree(void *Memory)
53{
54 free(Memory, M_ACPICA);
55}
56
57ACPI_STATUS
58AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress, ACPI_SIZE Length,
59 void **LogicalAddress)
60{
61 *LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
62 if (*LogicalAddress == NULL)
63 return (AE_BAD_ADDRESS);
64 return (AE_OK);
65}
66
67void
68AcpiOsUnmapMemory(void *LogicalAddress, ACPI_SIZE Length)
69{
70 pmap_unmapdev((vm_offset_t)LogicalAddress, Length);
71}
72
73ACPI_STATUS
74AcpiOsGetPhysicalAddress(void *LogicalAddress,
75 ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
76{
77 /* We can't necessarily do this, so cop out. */
78 return (AE_BAD_ADDRESS);
79}
80
81/*
82 * There is no clean way to do this. We make the charitable assumption
83 * that callers will not pass garbage to us.
84 */
85BOOLEAN
86AcpiOsReadable (void *Pointer, ACPI_SIZE Length)
87{
88 return (TRUE);
89}
90
91BOOLEAN
92AcpiOsWritable (void *Pointer, ACPI_SIZE Length)
93{
94 return (TRUE);
95}
96
97ACPI_STATUS
98AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width)
99{
100 void *LogicalAddress;
101
102 if (AcpiOsMapMemory(Address, Width / 8, &LogicalAddress) != AE_OK)
103 return (AE_NOT_EXIST);
104
105 switch (Width) {
106 case 8:
107 *(u_int8_t *)Value = (*(volatile u_int8_t *)LogicalAddress);
108 break;
109 case 16:
110 *(u_int16_t *)Value = (*(volatile u_int16_t *)LogicalAddress);
111 break;
112 case 32:
113 *(u_int32_t *)Value = (*(volatile u_int32_t *)LogicalAddress);
114 break;
115 case 64:
116 *(u_int64_t *)Value = (*(volatile u_int64_t *)LogicalAddress);
117 break;
118 default:
119 /* debug trap goes here */
120 break;
121 }
122
123 AcpiOsUnmapMemory(LogicalAddress, Width / 8);
124
125 return (AE_OK);
126}
127
128ACPI_STATUS
129AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width)
130{
131 void *LogicalAddress;
132
133 if (AcpiOsMapMemory(Address, Width / 8, &LogicalAddress) != AE_OK)
134 return (AE_NOT_EXIST);
135
136 switch (Width) {
137 case 8:
138 (*(volatile u_int8_t *)LogicalAddress) = Value & 0xff;
139 break;
140 case 16:
141 (*(volatile u_int16_t *)LogicalAddress) = Value & 0xffff;
142 break;
143 case 32:
144 (*(volatile u_int32_t *)LogicalAddress) = Value & 0xffffffff;
145 break;
146 case 64:
147 (*(volatile u_int64_t *)LogicalAddress) = Value;
148 break;
149 default:
150 /* debug trap goes here */
151 break;
152 }
153
154 AcpiOsUnmapMemory(LogicalAddress, Width / 8);
155
156 return (AE_OK);
157}
|