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OsdMemory.c (67760) OsdMemory.c (69459)
1/*-
1/*-
2 * Copyright (c) 2000 Mitsaru Iwasaki
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright

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19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
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

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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 *
27 * $FreeBSD: head/sys/dev/acpica/Osd/OsdMemory.c 67760 2000-10-28 06:56:15Z msmith $
28 * $FreeBSD: head/sys/dev/acpica/Osd/OsdMemory.c 69459 2000-12-01 10:19:28Z msmith $
28 */
29
30/*
31 * 6.2 : Memory Management
32 */
33
34#include "acpi.h"
35

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59
60void
61AcpiOsFree (void *Memory)
62{
63 free(Memory, M_ACPICA);
64}
65
66ACPI_STATUS
29 */
30
31/*
32 * 6.2 : Memory Management
33 */
34
35#include "acpi.h"
36

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60
61void
62AcpiOsFree (void *Memory)
63{
64 free(Memory, M_ACPICA);
65}
66
67ACPI_STATUS
67AcpiOsMapMemory (void *PhysicalAddress, UINT32 Length, void **LogicalAddress)
68AcpiOsMapMemory (ACPI_PHYSICAL_ADDRESS PhysicalAddress, UINT32 Length, void **LogicalAddress)
68{
69 *LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
70 if (*LogicalAddress == NULL)
71 return(AE_BAD_ADDRESS);
72 return(AE_OK);
73}
74
75void

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89}
90
91BOOLEAN
92AcpiOsWritable (void *Pointer, UINT32 Length)
93{
94 return(TRUE);
95}
96
69{
70 *LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
71 if (*LogicalAddress == NULL)
72 return(AE_BAD_ADDRESS);
73 return(AE_OK);
74}
75
76void

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90}
91
92BOOLEAN
93AcpiOsWritable (void *Pointer, UINT32 Length)
94{
95 return(TRUE);
96}
97
98static __inline
99UINT32
100AcpiOsMemInX (UINT32 Length, ACPI_PHYSICAL_ADDRESS InAddr)
101{
102 UINT32 Value;
103 void *LogicalAddress;
104
105 if (AcpiOsMapMemory(InAddr, Length, &LogicalAddress) != AE_OK) {
106 return(0);
107 }
108
109 switch (Length) {
110 case 1:
111 Value = (*(volatile u_int8_t *)LogicalAddress) & 0xff;
112 break;
113 case 2:
114 Value = (*(volatile u_int16_t *)LogicalAddress) & 0xffff;
115 break;
116 case 4:
117 Value = (*(volatile u_int32_t *)LogicalAddress);
118 break;
119 }
120
121 AcpiOsUnmapMemory(LogicalAddress, Length);
122
123 return(Value);
124}
125
126UINT8
127AcpiOsMemIn8 (ACPI_PHYSICAL_ADDRESS InAddr)
128{
129 return((UINT8)AcpiOsMemInX(1, InAddr));
130}
131
132UINT16
133AcpiOsMemIn16 (ACPI_PHYSICAL_ADDRESS InAddr)
134{
135 return((UINT16)AcpiOsMemInX(2, InAddr));
136}
137
138UINT32
139AcpiOsMemIn32 (ACPI_PHYSICAL_ADDRESS InAddr)
140{
141 return((UINT32)AcpiOsMemInX(4, InAddr));
142}
143
144static __inline
145void
146AcpiOsMemOutX (UINT32 Length, ACPI_PHYSICAL_ADDRESS OutAddr, UINT32 Value)
147{
148 void *LogicalAddress;
149
150 if (AcpiOsMapMemory(OutAddr, Length, &LogicalAddress) != AE_OK) {
151 return;
152 }
153
154 switch (Length) {
155 case 1:
156 (*(volatile u_int8_t *)LogicalAddress) = Value & 0xff;
157 break;
158 case 2:
159 (*(volatile u_int16_t *)LogicalAddress) = Value & 0xffff;
160 break;
161 case 4:
162 (*(volatile u_int32_t *)LogicalAddress) = Value;
163 break;
164 }
165
166 AcpiOsUnmapMemory(LogicalAddress, Length);
167}
168
169void
170AcpiOsMemOut8 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT8 Value)
171{
172 AcpiOsMemOutX(1, OutAddr, (UINT32)Value);
173}
174
175void
176AcpiOsMemOut16 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT16 Value)
177{
178 AcpiOsMemOutX(2, OutAddr, (UINT32)Value);
179}
180
181void
182AcpiOsMemOut32 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT32 Value)
183{
184 AcpiOsMemOutX(4, OutAddr, (UINT32)Value);
185}
186