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authorBob Moore <robert.moore@intel.com>2013-06-07 20:59:02 -0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-15 18:55:56 -0400
commit42f47869c6a73a6893c998725365b587b0311f9a (patch)
treeba644377ca39ec47c5d63452bfadc5742c17f902
parentb75dd2977fc3c5848f739681fc799f27b1322e44 (diff)
ACPICA: Split table print utilities to a new a separate file
Improves configurability of ACPICA. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/acpi/acpica/Makefile1
-rw-r--r--drivers/acpi/acpica/tbprint.c237
-rw-r--r--drivers/acpi/acpica/tbutils.c191
3 files changed, 239 insertions, 190 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 987bf41ec903..438304086ff1 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -138,6 +138,7 @@ acpi-y += \
138 tbfadt.o \ 138 tbfadt.o \
139 tbfind.o \ 139 tbfind.o \
140 tbinstal.o \ 140 tbinstal.o \
141 tbprint.o \
141 tbutils.o \ 142 tbutils.o \
142 tbxface.o \ 143 tbxface.o \
143 tbxfload.o \ 144 tbxfload.o \
diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c
new file mode 100644
index 000000000000..dc963f823d2c
--- /dev/null
+++ b/drivers/acpi/acpica/tbprint.c
@@ -0,0 +1,237 @@
1/******************************************************************************
2 *
3 * Module Name: tbprint - Table output utilities
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2013, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "actables.h"
47
48#define _COMPONENT ACPI_TABLES
49ACPI_MODULE_NAME("tbprint")
50
51/* Local prototypes */
52static void acpi_tb_fix_string(char *string, acpi_size length);
53
54static void
55acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
56 struct acpi_table_header *header);
57
58/*******************************************************************************
59 *
60 * FUNCTION: acpi_tb_fix_string
61 *
62 * PARAMETERS: string - String to be repaired
63 * length - Maximum length
64 *
65 * RETURN: None
66 *
67 * DESCRIPTION: Replace every non-printable or non-ascii byte in the string
68 * with a question mark '?'.
69 *
70 ******************************************************************************/
71
72static void acpi_tb_fix_string(char *string, acpi_size length)
73{
74
75 while (length && *string) {
76 if (!ACPI_IS_PRINT(*string)) {
77 *string = '?';
78 }
79 string++;
80 length--;
81 }
82}
83
84/*******************************************************************************
85 *
86 * FUNCTION: acpi_tb_cleanup_table_header
87 *
88 * PARAMETERS: out_header - Where the cleaned header is returned
89 * header - Input ACPI table header
90 *
91 * RETURN: Returns the cleaned header in out_header
92 *
93 * DESCRIPTION: Copy the table header and ensure that all "string" fields in
94 * the header consist of printable characters.
95 *
96 ******************************************************************************/
97
98static void
99acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
100 struct acpi_table_header *header)
101{
102
103 ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
104
105 acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
106 acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
107 acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
108 acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
109}
110
111/*******************************************************************************
112 *
113 * FUNCTION: acpi_tb_print_table_header
114 *
115 * PARAMETERS: address - Table physical address
116 * header - Table header
117 *
118 * RETURN: None
119 *
120 * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
121 *
122 ******************************************************************************/
123
124void
125acpi_tb_print_table_header(acpi_physical_address address,
126 struct acpi_table_header *header)
127{
128 struct acpi_table_header local_header;
129
130 /*
131 * The reason that the Address is cast to a void pointer is so that we
132 * can use %p which will work properly on both 32-bit and 64-bit hosts.
133 */
134 if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
135
136 /* FACS only has signature and length fields */
137
138 ACPI_INFO((AE_INFO, "%4.4s %p %05X",
139 header->signature, ACPI_CAST_PTR(void, address),
140 header->length));
141 } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
142
143 /* RSDP has no common fields */
144
145 ACPI_MEMCPY(local_header.oem_id,
146 ACPI_CAST_PTR(struct acpi_table_rsdp,
147 header)->oem_id, ACPI_OEM_ID_SIZE);
148 acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
149
150 ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
151 ACPI_CAST_PTR(void, address),
152 (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
153 revision >
154 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
155 header)->length : 20,
156 ACPI_CAST_PTR(struct acpi_table_rsdp,
157 header)->revision,
158 local_header.oem_id));
159 } else {
160 /* Standard ACPI table with full common header */
161
162 acpi_tb_cleanup_table_header(&local_header, header);
163
164 ACPI_INFO((AE_INFO,
165 "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
166 local_header.signature, ACPI_CAST_PTR(void, address),
167 local_header.length, local_header.revision,
168 local_header.oem_id, local_header.oem_table_id,
169 local_header.oem_revision,
170 local_header.asl_compiler_id,
171 local_header.asl_compiler_revision));
172 }
173}
174
175/*******************************************************************************
176 *
177 * FUNCTION: acpi_tb_validate_checksum
178 *
179 * PARAMETERS: table - ACPI table to verify
180 * length - Length of entire table
181 *
182 * RETURN: Status
183 *
184 * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns
185 * exception on bad checksum.
186 *
187 ******************************************************************************/
188
189acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
190{
191 u8 checksum;
192
193 /* Compute the checksum on the table */
194
195 checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length);
196
197 /* Checksum ok? (should be zero) */
198
199 if (checksum) {
200 ACPI_BIOS_WARNING((AE_INFO,
201 "Incorrect checksum in table [%4.4s] - 0x%2.2X, "
202 "should be 0x%2.2X",
203 table->signature, table->checksum,
204 (u8)(table->checksum - checksum)));
205
206#if (ACPI_CHECKSUM_ABORT)
207 return (AE_BAD_CHECKSUM);
208#endif
209 }
210
211 return (AE_OK);
212}
213
214/*******************************************************************************
215 *
216 * FUNCTION: acpi_tb_checksum
217 *
218 * PARAMETERS: buffer - Pointer to memory region to be checked
219 * length - Length of this memory region
220 *
221 * RETURN: Checksum (u8)
222 *
223 * DESCRIPTION: Calculates circular checksum of memory region.
224 *
225 ******************************************************************************/
226
227u8 acpi_tb_checksum(u8 *buffer, u32 length)
228{
229 u8 sum = 0;
230 u8 *end = buffer + length;
231
232 while (buffer < end) {
233 sum = (u8)(sum + *(buffer++));
234 }
235
236 return (sum);
237}
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index ce3d5db39a9c..bffdfc7b8322 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -1,6 +1,6 @@
1/****************************************************************************** 1/******************************************************************************
2 * 2 *
3 * Module Name: tbutils - table utilities 3 * Module Name: tbutils - ACPI Table utilities
4 * 4 *
5 *****************************************************************************/ 5 *****************************************************************************/
6 6
@@ -49,12 +49,6 @@
49ACPI_MODULE_NAME("tbutils") 49ACPI_MODULE_NAME("tbutils")
50 50
51/* Local prototypes */ 51/* Local prototypes */
52static void acpi_tb_fix_string(char *string, acpi_size length);
53
54static void
55acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
56 struct acpi_table_header *header);
57
58static acpi_physical_address 52static acpi_physical_address
59acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size); 53acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
60 54
@@ -176,189 +170,6 @@ u8 acpi_tb_tables_loaded(void)
176 170
177/******************************************************************************* 171/*******************************************************************************
178 * 172 *
179 * FUNCTION: acpi_tb_fix_string
180 *
181 * PARAMETERS: string - String to be repaired
182 * length - Maximum length
183 *
184 * RETURN: None
185 *
186 * DESCRIPTION: Replace every non-printable or non-ascii byte in the string
187 * with a question mark '?'.
188 *
189 ******************************************************************************/
190
191static void acpi_tb_fix_string(char *string, acpi_size length)
192{
193
194 while (length && *string) {
195 if (!ACPI_IS_PRINT(*string)) {
196 *string = '?';
197 }
198 string++;
199 length--;
200 }
201}
202
203/*******************************************************************************
204 *
205 * FUNCTION: acpi_tb_cleanup_table_header
206 *
207 * PARAMETERS: out_header - Where the cleaned header is returned
208 * header - Input ACPI table header
209 *
210 * RETURN: Returns the cleaned header in out_header
211 *
212 * DESCRIPTION: Copy the table header and ensure that all "string" fields in
213 * the header consist of printable characters.
214 *
215 ******************************************************************************/
216
217static void
218acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
219 struct acpi_table_header *header)
220{
221
222 ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
223
224 acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
225 acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
226 acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
227 acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
228}
229
230/*******************************************************************************
231 *
232 * FUNCTION: acpi_tb_print_table_header
233 *
234 * PARAMETERS: address - Table physical address
235 * header - Table header
236 *
237 * RETURN: None
238 *
239 * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
240 *
241 ******************************************************************************/
242
243void
244acpi_tb_print_table_header(acpi_physical_address address,
245 struct acpi_table_header *header)
246{
247 struct acpi_table_header local_header;
248
249 /*
250 * The reason that the Address is cast to a void pointer is so that we
251 * can use %p which will work properly on both 32-bit and 64-bit hosts.
252 */
253 if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
254
255 /* FACS only has signature and length fields */
256
257 ACPI_INFO((AE_INFO, "%4.4s %p %05X",
258 header->signature, ACPI_CAST_PTR(void, address),
259 header->length));
260 } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
261
262 /* RSDP has no common fields */
263
264 ACPI_MEMCPY(local_header.oem_id,
265 ACPI_CAST_PTR(struct acpi_table_rsdp,
266 header)->oem_id, ACPI_OEM_ID_SIZE);
267 acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
268
269 ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
270 ACPI_CAST_PTR (void, address),
271 (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
272 revision >
273 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
274 header)->length : 20,
275 ACPI_CAST_PTR(struct acpi_table_rsdp,
276 header)->revision,
277 local_header.oem_id));
278 } else {
279 /* Standard ACPI table with full common header */
280
281 acpi_tb_cleanup_table_header(&local_header, header);
282
283 ACPI_INFO((AE_INFO,
284 "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
285 local_header.signature, ACPI_CAST_PTR(void, address),
286 local_header.length, local_header.revision,
287 local_header.oem_id, local_header.oem_table_id,
288 local_header.oem_revision,
289 local_header.asl_compiler_id,
290 local_header.asl_compiler_revision));
291
292 }
293}
294
295/*******************************************************************************
296 *
297 * FUNCTION: acpi_tb_validate_checksum
298 *
299 * PARAMETERS: table - ACPI table to verify
300 * length - Length of entire table
301 *
302 * RETURN: Status
303 *
304 * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns
305 * exception on bad checksum.
306 *
307 ******************************************************************************/
308
309acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
310{
311 u8 checksum;
312
313 /* Compute the checksum on the table */
314
315 checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length);
316
317 /* Checksum ok? (should be zero) */
318
319 if (checksum) {
320 ACPI_BIOS_WARNING((AE_INFO,
321 "Incorrect checksum in table [%4.4s] - 0x%2.2X, "
322 "should be 0x%2.2X",
323 table->signature, table->checksum,
324 (u8)(table->checksum - checksum)));
325
326#if (ACPI_CHECKSUM_ABORT)
327
328 return (AE_BAD_CHECKSUM);
329#endif
330 }
331
332 return (AE_OK);
333}
334
335/*******************************************************************************
336 *
337 * FUNCTION: acpi_tb_checksum
338 *
339 * PARAMETERS: buffer - Pointer to memory region to be checked
340 * length - Length of this memory region
341 *
342 * RETURN: Checksum (u8)
343 *
344 * DESCRIPTION: Calculates circular checksum of memory region.
345 *
346 ******************************************************************************/
347
348u8 acpi_tb_checksum(u8 *buffer, u32 length)
349{
350 u8 sum = 0;
351 u8 *end = buffer + length;
352
353 while (buffer < end) {
354 sum = (u8) (sum + *(buffer++));
355 }
356
357 return (sum);
358}
359
360/*******************************************************************************
361 *
362 * FUNCTION: acpi_tb_check_dsdt_header 173 * FUNCTION: acpi_tb_check_dsdt_header
363 * 174 *
364 * PARAMETERS: None 175 * PARAMETERS: None