diff options
author | Lv Zheng <lv.zheng@intel.com> | 2014-04-04 00:40:03 -0400 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-04-20 16:59:40 -0400 |
commit | bf5afef9922624d0bb43375dabca639652e3aeec (patch) | |
tree | 8577139e2feee69b54b0333b0fc0d6a6c558cccf /tools | |
parent | edbe47c18659588726154153e7596a50843b5e55 (diff) |
ACPICA: acpidump: Remove old acpidump source.
This patch removes old acpidump source.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/power/acpi/tools/acpidump/acpidump.c | 559 |
1 files changed, 0 insertions, 559 deletions
diff --git a/tools/power/acpi/tools/acpidump/acpidump.c b/tools/power/acpi/tools/acpidump/acpidump.c deleted file mode 100644 index a84553a0e0df..000000000000 --- a/tools/power/acpi/tools/acpidump/acpidump.c +++ /dev/null | |||
@@ -1,559 +0,0 @@ | |||
1 | /* | ||
2 | * (c) Alexey Starikovskiy, Intel, 2005-2006. | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * 1. Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions, and the following disclaimer, | ||
10 | * without modification. | ||
11 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | ||
12 | * substantially similar to the "NO WARRANTY" disclaimer below | ||
13 | * ("Disclaimer") and any redistribution must be conditioned upon | ||
14 | * including a substantially similar Disclaimer requirement for further | ||
15 | * binary redistribution. | ||
16 | * 3. Neither the names of the above-listed copyright holders nor the names | ||
17 | * of any contributors may be used to endorse or promote products derived | ||
18 | * from this software without specific prior written permission. | ||
19 | * | ||
20 | * Alternatively, this software may be distributed under the terms of the | ||
21 | * GNU General Public License ("GPL") version 2 as published by the Free | ||
22 | * Software Foundation. | ||
23 | * | ||
24 | * NO WARRANTY | ||
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
26 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
27 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | ||
28 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
29 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
33 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | ||
34 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
35 | * POSSIBILITY OF SUCH DAMAGES. | ||
36 | */ | ||
37 | |||
38 | #ifdef DEFINE_ALTERNATE_TYPES | ||
39 | /* hack to enable building old application with new headers -lenb */ | ||
40 | #define acpi_fadt_descriptor acpi_table_fadt | ||
41 | #define acpi_rsdp_descriptor acpi_table_rsdp | ||
42 | #define DSDT_SIG ACPI_SIG_DSDT | ||
43 | #define FACS_SIG ACPI_SIG_FACS | ||
44 | #define FADT_SIG ACPI_SIG_FADT | ||
45 | #define xfirmware_ctrl Xfacs | ||
46 | #define firmware_ctrl facs | ||
47 | |||
48 | typedef int s32; | ||
49 | typedef unsigned char u8; | ||
50 | typedef unsigned short u16; | ||
51 | typedef unsigned int u32; | ||
52 | typedef unsigned long long u64; | ||
53 | typedef long long s64; | ||
54 | #endif | ||
55 | |||
56 | #include <sys/mman.h> | ||
57 | #include <sys/types.h> | ||
58 | #include <sys/stat.h> | ||
59 | #include <fcntl.h> | ||
60 | #include <stdio.h> | ||
61 | #include <string.h> | ||
62 | #include <unistd.h> | ||
63 | #include <getopt.h> | ||
64 | |||
65 | #include <dirent.h> | ||
66 | |||
67 | #include <acpi/acconfig.h> | ||
68 | #include <acpi/platform/acenv.h> | ||
69 | #include <acpi/actypes.h> | ||
70 | #include <acpi/actbl.h> | ||
71 | |||
72 | static inline u8 checksum(u8 * buffer, u32 length) | ||
73 | { | ||
74 | u8 sum = 0, *i = buffer; | ||
75 | buffer += length; | ||
76 | for (; i < buffer; sum += *(i++)); | ||
77 | return sum; | ||
78 | } | ||
79 | |||
80 | static unsigned long psz, addr, length; | ||
81 | static int print, connect, skip; | ||
82 | static u8 select_sig[4]; | ||
83 | |||
84 | static unsigned long read_efi_systab( void ) | ||
85 | { | ||
86 | char buffer[80]; | ||
87 | unsigned long addr; | ||
88 | FILE *f = fopen("/sys/firmware/efi/systab", "r"); | ||
89 | if (f) { | ||
90 | while (fgets(buffer, 80, f)) { | ||
91 | if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1) | ||
92 | return addr; | ||
93 | } | ||
94 | fclose(f); | ||
95 | } | ||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | static u8 *acpi_map_memory(unsigned long where, unsigned length) | ||
100 | { | ||
101 | unsigned long offset; | ||
102 | u8 *there; | ||
103 | int fd = open("/dev/mem", O_RDONLY); | ||
104 | if (fd < 0) { | ||
105 | fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n"); | ||
106 | exit(1); | ||
107 | } | ||
108 | offset = where % psz; | ||
109 | there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE, | ||
110 | fd, where - offset); | ||
111 | close(fd); | ||
112 | if (there == MAP_FAILED) return 0; | ||
113 | return (there + offset); | ||
114 | } | ||
115 | |||
116 | static void acpi_unmap_memory(u8 * there, unsigned length) | ||
117 | { | ||
118 | unsigned long offset = (unsigned long)there % psz; | ||
119 | munmap(there - offset, length + offset); | ||
120 | } | ||
121 | |||
122 | static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig) | ||
123 | { | ||
124 | unsigned size; | ||
125 | struct acpi_table_header *tbl = (struct acpi_table_header *) | ||
126 | acpi_map_memory(where, sizeof(struct acpi_table_header)); | ||
127 | if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0; | ||
128 | size = tbl->length; | ||
129 | acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header)); | ||
130 | return (struct acpi_table_header *)acpi_map_memory(where, size); | ||
131 | } | ||
132 | |||
133 | static void acpi_unmap_table(struct acpi_table_header *tbl) | ||
134 | { | ||
135 | acpi_unmap_memory((u8 *)tbl, tbl->length); | ||
136 | } | ||
137 | |||
138 | static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length) | ||
139 | { | ||
140 | struct acpi_rsdp_descriptor *rsdp; | ||
141 | u8 *i, *end = begin + length; | ||
142 | /* Search from given start address for the requested length */ | ||
143 | for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) { | ||
144 | /* The signature and checksum must both be correct */ | ||
145 | if (memcmp((char *)i, "RSD PTR ", 8)) continue; | ||
146 | rsdp = (struct acpi_rsdp_descriptor *)i; | ||
147 | /* Signature matches, check the appropriate checksum */ | ||
148 | if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ? | ||
149 | ACPI_RSDP_CHECKSUM_LENGTH : | ||
150 | ACPI_RSDP_XCHECKSUM_LENGTH)) | ||
151 | /* Checksum valid, we have found a valid RSDP */ | ||
152 | return rsdp; | ||
153 | } | ||
154 | /* Searched entire block, no RSDP was found */ | ||
155 | return 0; | ||
156 | } | ||
157 | |||
158 | /* | ||
159 | * Output data | ||
160 | */ | ||
161 | static void acpi_show_data(int fd, u8 * data, int size) | ||
162 | { | ||
163 | char buffer[256]; | ||
164 | int len; | ||
165 | int i, remain = size; | ||
166 | while (remain > 0) { | ||
167 | len = snprintf(buffer, 256, " %04x:", size - remain); | ||
168 | for (i = 0; i < 16 && i < remain; i++) { | ||
169 | len += | ||
170 | snprintf(&buffer[len], 256 - len, " %02x", data[i]); | ||
171 | } | ||
172 | for (; i < 16; i++) { | ||
173 | len += snprintf(&buffer[len], 256 - len, " "); | ||
174 | } | ||
175 | len += snprintf(&buffer[len], 256 - len, " "); | ||
176 | for (i = 0; i < 16 && i < remain; i++) { | ||
177 | buffer[len++] = (isprint(data[i])) ? data[i] : '.'; | ||
178 | } | ||
179 | buffer[len++] = '\n'; | ||
180 | write(fd, buffer, len); | ||
181 | data += 16; | ||
182 | remain -= 16; | ||
183 | } | ||
184 | } | ||
185 | |||
186 | /* | ||
187 | * Output ACPI table | ||
188 | */ | ||
189 | static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr) | ||
190 | { | ||
191 | char buff[80]; | ||
192 | int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr); | ||
193 | write(fd, buff, len); | ||
194 | acpi_show_data(fd, (u8 *) table, table->length); | ||
195 | buff[0] = '\n'; | ||
196 | write(fd, buff, 1); | ||
197 | } | ||
198 | |||
199 | static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr) | ||
200 | { | ||
201 | static int select_done = 0; | ||
202 | if (!select_sig[0]) { | ||
203 | if (print) { | ||
204 | acpi_show_table(fd, tbl, addr); | ||
205 | } else { | ||
206 | write(fd, tbl, tbl->length); | ||
207 | } | ||
208 | } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) { | ||
209 | if (skip > 0) { | ||
210 | --skip; | ||
211 | return; | ||
212 | } | ||
213 | if (print) { | ||
214 | acpi_show_table(fd, tbl, addr); | ||
215 | } else { | ||
216 | write(fd, tbl, tbl->length); | ||
217 | } | ||
218 | select_done = 1; | ||
219 | } | ||
220 | } | ||
221 | |||
222 | static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) { | ||
223 | struct acpi_fadt_descriptor x; | ||
224 | unsigned long addr; | ||
225 | size_t len = sizeof(struct acpi_fadt_descriptor); | ||
226 | if (len > tbl->length) len = tbl->length; | ||
227 | memcpy(&x, tbl, len); | ||
228 | x.header.length = len; | ||
229 | if (checksum((u8 *)tbl, len)) { | ||
230 | fprintf(stderr, "Wrong checksum for FADT!\n"); | ||
231 | } | ||
232 | if (x.header.length >= 148 && x.Xdsdt) { | ||
233 | addr = (unsigned long)x.Xdsdt; | ||
234 | if (connect) { | ||
235 | x.Xdsdt = lseek(fd, 0, SEEK_CUR); | ||
236 | } | ||
237 | } else if (x.header.length >= 44 && x.dsdt) { | ||
238 | addr = (unsigned long)x.dsdt; | ||
239 | if (connect) { | ||
240 | x.dsdt = lseek(fd, 0, SEEK_CUR); | ||
241 | } | ||
242 | } else { | ||
243 | fprintf(stderr, "No DSDT in FADT!\n"); | ||
244 | goto no_dsdt; | ||
245 | } | ||
246 | tbl = acpi_map_table(addr, DSDT_SIG); | ||
247 | if (!tbl) goto no_dsdt; | ||
248 | if (checksum((u8 *)tbl, tbl->length)) | ||
249 | fprintf(stderr, "Wrong checksum for DSDT!\n"); | ||
250 | write_table(fd, tbl, addr); | ||
251 | acpi_unmap_table(tbl); | ||
252 | no_dsdt: | ||
253 | if (x.header.length >= 140 && x.xfirmware_ctrl) { | ||
254 | addr = (unsigned long)x.xfirmware_ctrl; | ||
255 | if (connect) { | ||
256 | x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR); | ||
257 | } | ||
258 | } else if (x.header.length >= 40 && x.firmware_ctrl) { | ||
259 | addr = (unsigned long)x.firmware_ctrl; | ||
260 | if (connect) { | ||
261 | x.firmware_ctrl = lseek(fd, 0, SEEK_CUR); | ||
262 | } | ||
263 | } else { | ||
264 | fprintf(stderr, "No FACS in FADT!\n"); | ||
265 | goto no_facs; | ||
266 | } | ||
267 | tbl = acpi_map_table(addr, FACS_SIG); | ||
268 | if (!tbl) goto no_facs; | ||
269 | /* do not checksum FACS */ | ||
270 | write_table(fd, tbl, addr); | ||
271 | acpi_unmap_table(tbl); | ||
272 | no_facs: | ||
273 | write_table(fd, (struct acpi_table_header *)&x, xaddr); | ||
274 | } | ||
275 | |||
276 | static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) | ||
277 | { | ||
278 | struct acpi_table_header *sdt, *tbl = 0; | ||
279 | int xsdt = 1, i, num; | ||
280 | char *offset; | ||
281 | unsigned long addr; | ||
282 | if (rsdp->revision > 1 && rsdp->xsdt_physical_address) { | ||
283 | tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT"); | ||
284 | } | ||
285 | if (!tbl && rsdp->rsdt_physical_address) { | ||
286 | xsdt = 0; | ||
287 | tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT"); | ||
288 | } | ||
289 | if (!tbl) return 0; | ||
290 | sdt = malloc(tbl->length); | ||
291 | memcpy(sdt, tbl, tbl->length); | ||
292 | acpi_unmap_table(tbl); | ||
293 | if (checksum((u8 *)sdt, sdt->length)) | ||
294 | fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT"); | ||
295 | num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32)); | ||
296 | offset = (char *)sdt + sizeof(struct acpi_table_header); | ||
297 | for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) { | ||
298 | addr = (xsdt) ? (unsigned long)(*(u64 *)offset): | ||
299 | (unsigned long)(*(u32 *)offset); | ||
300 | if (!addr) continue; | ||
301 | tbl = acpi_map_table(addr, 0); | ||
302 | if (!tbl) continue; | ||
303 | if (!memcmp(tbl->signature, FADT_SIG, 4)) { | ||
304 | acpi_dump_FADT(fd, tbl, addr); | ||
305 | } else { | ||
306 | if (checksum((u8 *)tbl, tbl->length)) | ||
307 | fprintf(stderr, "Wrong checksum for generic table!\n"); | ||
308 | write_table(fd, tbl, addr); | ||
309 | } | ||
310 | acpi_unmap_table(tbl); | ||
311 | if (connect) { | ||
312 | if (xsdt) | ||
313 | (*(u64*)offset) = lseek(fd, 0, SEEK_CUR); | ||
314 | else | ||
315 | (*(u32*)offset) = lseek(fd, 0, SEEK_CUR); | ||
316 | } | ||
317 | } | ||
318 | if (xsdt) { | ||
319 | addr = (unsigned long)rsdp->xsdt_physical_address; | ||
320 | if (connect) { | ||
321 | rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR); | ||
322 | } | ||
323 | } else { | ||
324 | addr = (unsigned long)rsdp->rsdt_physical_address; | ||
325 | if (connect) { | ||
326 | rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR); | ||
327 | } | ||
328 | } | ||
329 | write_table(fd, sdt, addr); | ||
330 | free (sdt); | ||
331 | return 1; | ||
332 | } | ||
333 | |||
334 | #define DYNAMIC_SSDT "/sys/firmware/acpi/tables/dynamic" | ||
335 | |||
336 | static void acpi_dump_dynamic_SSDT(int fd) | ||
337 | { | ||
338 | struct stat file_stat; | ||
339 | char filename[256], *ptr; | ||
340 | DIR *tabledir; | ||
341 | struct dirent *entry; | ||
342 | FILE *fp; | ||
343 | int count, readcount, length; | ||
344 | struct acpi_table_header table_header, *ptable; | ||
345 | |||
346 | if (stat(DYNAMIC_SSDT, &file_stat) == -1) { | ||
347 | /* The directory doesn't exist */ | ||
348 | return; | ||
349 | } | ||
350 | tabledir = opendir(DYNAMIC_SSDT); | ||
351 | if(!tabledir){ | ||
352 | /*can't open the directory */ | ||
353 | return; | ||
354 | } | ||
355 | |||
356 | while ((entry = readdir(tabledir)) != 0){ | ||
357 | /* skip the file of . /.. */ | ||
358 | if (entry->d_name[0] == '.') | ||
359 | continue; | ||
360 | |||
361 | sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name); | ||
362 | fp = fopen(filename, "r"); | ||
363 | if (fp == NULL) { | ||
364 | fprintf(stderr, "Can't open the file of %s\n", | ||
365 | filename); | ||
366 | continue; | ||
367 | } | ||
368 | /* Read the Table header to parse the table length */ | ||
369 | count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp); | ||
370 | if (count < sizeof(table_header)) { | ||
371 | /* the length is lessn than ACPI table header. skip it */ | ||
372 | fclose(fp); | ||
373 | continue; | ||
374 | } | ||
375 | length = table_header.length; | ||
376 | ptr = malloc(table_header.length); | ||
377 | fseek(fp, 0, SEEK_SET); | ||
378 | readcount = 0; | ||
379 | while(!feof(fp) && readcount < length) { | ||
380 | count = fread(ptr + readcount, 1, 256, fp); | ||
381 | readcount += count; | ||
382 | } | ||
383 | fclose(fp); | ||
384 | ptable = (struct acpi_table_header *) ptr; | ||
385 | if (checksum((u8 *) ptable, ptable->length)) | ||
386 | fprintf(stderr, "Wrong checksum " | ||
387 | "for dynamic SSDT table!\n"); | ||
388 | write_table(fd, ptable, 0); | ||
389 | free(ptr); | ||
390 | } | ||
391 | closedir(tabledir); | ||
392 | return; | ||
393 | } | ||
394 | |||
395 | static void usage(const char *progname) | ||
396 | { | ||
397 | puts("Usage:"); | ||
398 | printf("%s [--addr 0x1234][--table DSDT][--output filename]" | ||
399 | "[--binary][--length 0x456][--help]\n", progname); | ||
400 | puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address"); | ||
401 | puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature"); | ||
402 | puts("\t--output filename or -o filename -- redirect output from stdin to filename"); | ||
403 | puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format"); | ||
404 | puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory" | ||
405 | "\n\t\tregion without trying to understand it's contents"); | ||
406 | puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one"); | ||
407 | puts("\t--help or -h -- this help message"); | ||
408 | exit(0); | ||
409 | } | ||
410 | |||
411 | static struct option long_options[] = { | ||
412 | {"addr", 1, 0, 0}, | ||
413 | {"table", 1, 0, 0}, | ||
414 | {"output", 1, 0, 0}, | ||
415 | {"binary", 0, 0, 0}, | ||
416 | {"length", 1, 0, 0}, | ||
417 | {"skip", 1, 0, 0}, | ||
418 | {"help", 0, 0, 0}, | ||
419 | {0, 0, 0, 0} | ||
420 | }; | ||
421 | int main(int argc, char **argv) | ||
422 | { | ||
423 | int option_index, c, fd; | ||
424 | u8 *raw; | ||
425 | struct acpi_rsdp_descriptor rsdpx, *x = 0; | ||
426 | char *filename = 0; | ||
427 | char buff[80]; | ||
428 | memset(select_sig, 0, 4); | ||
429 | print = 1; | ||
430 | connect = 0; | ||
431 | addr = length = 0; | ||
432 | skip = 0; | ||
433 | while (1) { | ||
434 | option_index = 0; | ||
435 | c = getopt_long(argc, argv, "a:t:o:bl:s:h", | ||
436 | long_options, &option_index); | ||
437 | if (c == -1) | ||
438 | break; | ||
439 | |||
440 | switch (c) { | ||
441 | case 0: | ||
442 | switch (option_index) { | ||
443 | case 0: | ||
444 | addr = strtoul(optarg, (char **)NULL, 16); | ||
445 | break; | ||
446 | case 1: | ||
447 | memcpy(select_sig, optarg, 4); | ||
448 | break; | ||
449 | case 2: | ||
450 | filename = optarg; | ||
451 | break; | ||
452 | case 3: | ||
453 | print = 0; | ||
454 | break; | ||
455 | case 4: | ||
456 | length = strtoul(optarg, (char **)NULL, 16); | ||
457 | break; | ||
458 | case 5: | ||
459 | skip = strtoul(optarg, (char **)NULL, 10); | ||
460 | break; | ||
461 | case 6: | ||
462 | usage(argv[0]); | ||
463 | exit(0); | ||
464 | } | ||
465 | break; | ||
466 | case 'a': | ||
467 | addr = strtoul(optarg, (char **)NULL, 16); | ||
468 | break; | ||
469 | case 't': | ||
470 | memcpy(select_sig, optarg, 4); | ||
471 | break; | ||
472 | case 'o': | ||
473 | filename = optarg; | ||
474 | break; | ||
475 | case 'b': | ||
476 | print = 0; | ||
477 | break; | ||
478 | case 'l': | ||
479 | length = strtoul(optarg, (char **)NULL, 16); | ||
480 | break; | ||
481 | case 's': | ||
482 | skip = strtoul(optarg, (char **)NULL, 10); | ||
483 | break; | ||
484 | case 'h': | ||
485 | usage(argv[0]); | ||
486 | exit(0); | ||
487 | default: | ||
488 | printf("Unknown option!\n"); | ||
489 | usage(argv[0]); | ||
490 | exit(0); | ||
491 | } | ||
492 | } | ||
493 | |||
494 | fd = STDOUT_FILENO; | ||
495 | if (filename) { | ||
496 | fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); | ||
497 | if (fd < 0) | ||
498 | return fd; | ||
499 | } | ||
500 | |||
501 | if (!select_sig[0] && !print) { | ||
502 | connect = 1; | ||
503 | } | ||
504 | |||
505 | psz = sysconf(_SC_PAGESIZE); | ||
506 | if (length && addr) { | ||
507 | /* We know length and address, it means we just want a memory dump */ | ||
508 | if (!(raw = acpi_map_memory(addr, length))) | ||
509 | goto not_found; | ||
510 | write(fd, raw, length); | ||
511 | acpi_unmap_memory(raw, length); | ||
512 | close(fd); | ||
513 | return 0; | ||
514 | } | ||
515 | |||
516 | length = sizeof(struct acpi_rsdp_descriptor); | ||
517 | if (!addr) { | ||
518 | addr = read_efi_systab(); | ||
519 | if (!addr) { | ||
520 | addr = ACPI_HI_RSDP_WINDOW_BASE; | ||
521 | length = ACPI_HI_RSDP_WINDOW_SIZE; | ||
522 | } | ||
523 | } | ||
524 | |||
525 | if (!(raw = acpi_map_memory(addr, length)) || | ||
526 | !(x = acpi_scan_for_rsdp(raw, length))) | ||
527 | goto not_found; | ||
528 | |||
529 | /* Find RSDP and print all found tables */ | ||
530 | memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor)); | ||
531 | acpi_unmap_memory(raw, length); | ||
532 | if (connect) { | ||
533 | lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET); | ||
534 | } | ||
535 | if (!acpi_dump_SDT(fd, &rsdpx)) | ||
536 | goto not_found; | ||
537 | if (connect) { | ||
538 | lseek(fd, 0, SEEK_SET); | ||
539 | write(fd, x, (rsdpx.revision < 2) ? | ||
540 | ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); | ||
541 | } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) { | ||
542 | addr += (long)x - (long)raw; | ||
543 | length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr); | ||
544 | write(fd, buff, length); | ||
545 | acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ? | ||
546 | ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); | ||
547 | buff[0] = '\n'; | ||
548 | write(fd, buff, 1); | ||
549 | } | ||
550 | acpi_dump_dynamic_SSDT(fd); | ||
551 | close(fd); | ||
552 | return 0; | ||
553 | not_found: | ||
554 | close(fd); | ||
555 | fprintf(stderr, "ACPI tables were not found. If you know location " | ||
556 | "of RSD PTR table (from dmesg, etc), " | ||
557 | "supply it with either --addr or -a option\n"); | ||
558 | return 1; | ||
559 | } | ||