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19934e0e IM |
1 | /* Support for generating ACPI tables and passing them to Guests |
2 | * | |
3 | * Copyright (C) 2015 Red Hat Inc | |
4 | * | |
5 | * Author: Michael S. Tsirkin <mst@redhat.com> | |
6 | * Author: Igor Mammedov <imammedo@redhat.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | ||
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | ||
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
b6a0aa05 | 22 | #include "qemu/osdep.h" |
c3bdc56c | 23 | #include <glib/gprintf.h> |
19934e0e | 24 | #include "hw/acpi/aml-build.h" |
0f2707e4 | 25 | #include "qemu/bswap.h" |
dc17ab1d | 26 | #include "qemu/bitops.h" |
0f203430 | 27 | #include "sysemu/numa.h" |
aa570207 | 28 | #include "hw/boards.h" |
43384160 | 29 | #include "hw/acpi/tpm.h" |
37d5c0a8 YM |
30 | #include "hw/pci/pci_host.h" |
31 | #include "hw/pci/pci_bus.h" | |
32 | #include "hw/pci/pci_bridge.h" | |
19934e0e | 33 | |
af59b35c | 34 | static GArray *build_alloc_array(void) |
19934e0e IM |
35 | { |
36 | return g_array_new(false, true /* clear */, 1); | |
37 | } | |
38 | ||
af59b35c | 39 | static void build_free_array(GArray *array) |
19934e0e IM |
40 | { |
41 | g_array_free(array, true); | |
42 | } | |
43 | ||
af59b35c | 44 | static void build_prepend_byte(GArray *array, uint8_t val) |
19934e0e IM |
45 | { |
46 | g_array_prepend_val(array, val); | |
47 | } | |
48 | ||
af59b35c | 49 | static void build_append_byte(GArray *array, uint8_t val) |
19934e0e IM |
50 | { |
51 | g_array_append_val(array, val); | |
52 | } | |
53 | ||
af59b35c | 54 | static void build_append_array(GArray *array, GArray *val) |
19934e0e IM |
55 | { |
56 | g_array_append_vals(array, val->data, val->len); | |
57 | } | |
58 | ||
59 | #define ACPI_NAMESEG_LEN 4 | |
60 | ||
37d5c0a8 YM |
61 | void crs_range_insert(GPtrArray *ranges, uint64_t base, uint64_t limit) |
62 | { | |
63 | CrsRangeEntry *entry; | |
64 | ||
65 | entry = g_malloc(sizeof(*entry)); | |
66 | entry->base = base; | |
67 | entry->limit = limit; | |
68 | ||
69 | g_ptr_array_add(ranges, entry); | |
70 | } | |
71 | ||
72 | static void crs_range_free(gpointer data) | |
73 | { | |
74 | CrsRangeEntry *entry = (CrsRangeEntry *)data; | |
75 | g_free(entry); | |
76 | } | |
77 | ||
78 | void crs_range_set_init(CrsRangeSet *range_set) | |
79 | { | |
80 | range_set->io_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
81 | range_set->mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
82 | range_set->mem_64bit_ranges = | |
83 | g_ptr_array_new_with_free_func(crs_range_free); | |
84 | } | |
85 | ||
86 | void crs_range_set_free(CrsRangeSet *range_set) | |
87 | { | |
88 | g_ptr_array_free(range_set->io_ranges, true); | |
89 | g_ptr_array_free(range_set->mem_ranges, true); | |
90 | g_ptr_array_free(range_set->mem_64bit_ranges, true); | |
91 | } | |
92 | ||
93 | static gint crs_range_compare(gconstpointer a, gconstpointer b) | |
94 | { | |
95 | CrsRangeEntry *entry_a = *(CrsRangeEntry **)a; | |
96 | CrsRangeEntry *entry_b = *(CrsRangeEntry **)b; | |
97 | ||
98 | if (entry_a->base < entry_b->base) { | |
99 | return -1; | |
100 | } else if (entry_a->base > entry_b->base) { | |
101 | return 1; | |
102 | } else { | |
103 | return 0; | |
104 | } | |
105 | } | |
106 | ||
107 | /* | |
108 | * crs_replace_with_free_ranges - given the 'used' ranges within [start - end] | |
109 | * interval, computes the 'free' ranges from the same interval. | |
110 | * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function | |
111 | * will return { [base - a1], [a2 - b1], [b2 - limit] }. | |
112 | */ | |
113 | void crs_replace_with_free_ranges(GPtrArray *ranges, | |
114 | uint64_t start, uint64_t end) | |
115 | { | |
116 | GPtrArray *free_ranges = g_ptr_array_new(); | |
117 | uint64_t free_base = start; | |
118 | int i; | |
119 | ||
120 | g_ptr_array_sort(ranges, crs_range_compare); | |
121 | for (i = 0; i < ranges->len; i++) { | |
122 | CrsRangeEntry *used = g_ptr_array_index(ranges, i); | |
123 | ||
124 | if (free_base < used->base) { | |
125 | crs_range_insert(free_ranges, free_base, used->base - 1); | |
126 | } | |
127 | ||
128 | free_base = used->limit + 1; | |
129 | } | |
130 | ||
131 | if (free_base < end) { | |
132 | crs_range_insert(free_ranges, free_base, end); | |
133 | } | |
134 | ||
135 | g_ptr_array_set_size(ranges, 0); | |
136 | for (i = 0; i < free_ranges->len; i++) { | |
137 | g_ptr_array_add(ranges, g_ptr_array_index(free_ranges, i)); | |
138 | } | |
139 | ||
140 | g_ptr_array_free(free_ranges, true); | |
141 | } | |
142 | ||
143 | /* | |
144 | * crs_range_merge - merges adjacent ranges in the given array. | |
145 | * Array elements are deleted and replaced with the merged ranges. | |
146 | */ | |
147 | static void crs_range_merge(GPtrArray *range) | |
148 | { | |
149 | GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free); | |
150 | CrsRangeEntry *entry; | |
151 | uint64_t range_base, range_limit; | |
152 | int i; | |
153 | ||
154 | if (!range->len) { | |
155 | return; | |
156 | } | |
157 | ||
158 | g_ptr_array_sort(range, crs_range_compare); | |
159 | ||
160 | entry = g_ptr_array_index(range, 0); | |
161 | range_base = entry->base; | |
162 | range_limit = entry->limit; | |
163 | for (i = 1; i < range->len; i++) { | |
164 | entry = g_ptr_array_index(range, i); | |
165 | if (entry->base - 1 == range_limit) { | |
166 | range_limit = entry->limit; | |
167 | } else { | |
168 | crs_range_insert(tmp, range_base, range_limit); | |
169 | range_base = entry->base; | |
170 | range_limit = entry->limit; | |
171 | } | |
172 | } | |
173 | crs_range_insert(tmp, range_base, range_limit); | |
174 | ||
175 | g_ptr_array_set_size(range, 0); | |
176 | for (i = 0; i < tmp->len; i++) { | |
177 | entry = g_ptr_array_index(tmp, i); | |
178 | crs_range_insert(range, entry->base, entry->limit); | |
179 | } | |
180 | g_ptr_array_free(tmp, true); | |
181 | } | |
182 | ||
eae8bded IM |
183 | static void |
184 | build_append_nameseg(GArray *array, const char *seg) | |
19934e0e | 185 | { |
19934e0e | 186 | int len; |
19934e0e | 187 | |
eae8bded | 188 | len = strlen(seg); |
19934e0e IM |
189 | assert(len <= ACPI_NAMESEG_LEN); |
190 | ||
eae8bded | 191 | g_array_append_vals(array, seg, len); |
19934e0e IM |
192 | /* Pad up to ACPI_NAMESEG_LEN characters if necessary. */ |
193 | g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len); | |
194 | } | |
195 | ||
c167e2e7 | 196 | static void GCC_FMT_ATTR(2, 0) |
eae8bded IM |
197 | build_append_namestringv(GArray *array, const char *format, va_list ap) |
198 | { | |
eae8bded | 199 | char *s; |
eae8bded IM |
200 | char **segs; |
201 | char **segs_iter; | |
202 | int seg_count = 0; | |
203 | ||
c3bdc56c | 204 | s = g_strdup_vprintf(format, ap); |
eae8bded IM |
205 | segs = g_strsplit(s, ".", 0); |
206 | g_free(s); | |
207 | ||
208 | /* count segments */ | |
209 | segs_iter = segs; | |
210 | while (*segs_iter) { | |
211 | ++segs_iter; | |
212 | ++seg_count; | |
213 | } | |
214 | /* | |
215 | * ACPI 5.0 spec: 20.2.2 Name Objects Encoding: | |
216 | * "SegCount can be from 1 to 255" | |
217 | */ | |
218 | assert(seg_count > 0 && seg_count <= 255); | |
219 | ||
220 | /* handle RootPath || PrefixPath */ | |
221 | s = *segs; | |
222 | while (*s == '\\' || *s == '^') { | |
223 | build_append_byte(array, *s); | |
224 | ++s; | |
225 | } | |
226 | ||
227 | switch (seg_count) { | |
228 | case 1: | |
229 | if (!*s) { | |
aea10cde | 230 | build_append_byte(array, 0x00); /* NullName */ |
eae8bded IM |
231 | } else { |
232 | build_append_nameseg(array, s); | |
233 | } | |
234 | break; | |
235 | ||
236 | case 2: | |
237 | build_append_byte(array, 0x2E); /* DualNamePrefix */ | |
238 | build_append_nameseg(array, s); | |
239 | build_append_nameseg(array, segs[1]); | |
240 | break; | |
241 | default: | |
242 | build_append_byte(array, 0x2F); /* MultiNamePrefix */ | |
243 | build_append_byte(array, seg_count); | |
244 | ||
245 | /* handle the 1st segment manually due to prefix/root path */ | |
246 | build_append_nameseg(array, s); | |
247 | ||
248 | /* add the rest of segments */ | |
249 | segs_iter = segs + 1; | |
250 | while (*segs_iter) { | |
251 | build_append_nameseg(array, *segs_iter); | |
252 | ++segs_iter; | |
253 | } | |
254 | break; | |
255 | } | |
256 | g_strfreev(segs); | |
257 | } | |
258 | ||
79272661 | 259 | GCC_FMT_ATTR(2, 3) |
af59b35c | 260 | static void build_append_namestring(GArray *array, const char *format, ...) |
eae8bded IM |
261 | { |
262 | va_list ap; | |
263 | ||
264 | va_start(ap, format); | |
265 | build_append_namestringv(array, format, ap); | |
266 | va_end(ap); | |
267 | } | |
268 | ||
19934e0e IM |
269 | /* 5.4 Definition Block Encoding */ |
270 | enum { | |
271 | PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */ | |
272 | PACKAGE_LENGTH_2BYTE_SHIFT = 4, | |
273 | PACKAGE_LENGTH_3BYTE_SHIFT = 12, | |
274 | PACKAGE_LENGTH_4BYTE_SHIFT = 20, | |
275 | }; | |
276 | ||
af59b35c | 277 | static void |
19fff2d4 | 278 | build_prepend_package_length(GArray *package, unsigned length, bool incl_self) |
19934e0e IM |
279 | { |
280 | uint8_t byte; | |
19934e0e IM |
281 | unsigned length_bytes; |
282 | ||
283 | if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) { | |
284 | length_bytes = 1; | |
285 | } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) { | |
286 | length_bytes = 2; | |
287 | } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) { | |
288 | length_bytes = 3; | |
289 | } else { | |
290 | length_bytes = 4; | |
291 | } | |
292 | ||
19fff2d4 IM |
293 | /* |
294 | * NamedField uses PkgLength encoding but it doesn't include length | |
295 | * of PkgLength itself. | |
296 | */ | |
297 | if (incl_self) { | |
298 | /* | |
299 | * PkgLength is the length of the inclusive length of the data | |
300 | * and PkgLength's length itself when used for terms with | |
301 | * explitit length. | |
302 | */ | |
303 | length += length_bytes; | |
304 | } | |
19934e0e IM |
305 | |
306 | switch (length_bytes) { | |
307 | case 1: | |
308 | byte = length; | |
309 | build_prepend_byte(package, byte); | |
310 | return; | |
311 | case 4: | |
312 | byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT; | |
313 | build_prepend_byte(package, byte); | |
314 | length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1; | |
315 | /* fall through */ | |
316 | case 3: | |
317 | byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT; | |
318 | build_prepend_byte(package, byte); | |
319 | length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1; | |
320 | /* fall through */ | |
321 | case 2: | |
322 | byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT; | |
323 | build_prepend_byte(package, byte); | |
324 | length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1; | |
325 | /* fall through */ | |
326 | } | |
327 | /* | |
328 | * Most significant two bits of byte zero indicate how many following bytes | |
329 | * are in PkgLength encoding. | |
330 | */ | |
331 | byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length; | |
332 | build_prepend_byte(package, byte); | |
333 | } | |
334 | ||
214ae59f IM |
335 | static void |
336 | build_append_pkg_length(GArray *array, unsigned length, bool incl_self) | |
337 | { | |
338 | GArray *tmp = build_alloc_array(); | |
339 | ||
340 | build_prepend_package_length(tmp, length, incl_self); | |
341 | build_append_array(array, tmp); | |
342 | build_free_array(tmp); | |
343 | } | |
344 | ||
af59b35c | 345 | static void build_package(GArray *package, uint8_t op) |
19934e0e | 346 | { |
19fff2d4 | 347 | build_prepend_package_length(package, package->len, true); |
19934e0e IM |
348 | build_prepend_byte(package, op); |
349 | } | |
350 | ||
af59b35c | 351 | static void build_extop_package(GArray *package, uint8_t op) |
19934e0e | 352 | { |
661875e9 | 353 | build_package(package, op); |
19934e0e IM |
354 | build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ |
355 | } | |
356 | ||
fb9f5926 | 357 | void build_append_int_noprefix(GArray *table, uint64_t value, int size) |
19934e0e | 358 | { |
19934e0e IM |
359 | int i; |
360 | ||
19934e0e IM |
361 | for (i = 0; i < size; ++i) { |
362 | build_append_byte(table, value & 0xFF); | |
363 | value = value >> 8; | |
364 | } | |
365 | } | |
366 | ||
af59b35c | 367 | static void build_append_int(GArray *table, uint64_t value) |
19934e0e IM |
368 | { |
369 | if (value == 0x00) { | |
370 | build_append_byte(table, 0x00); /* ZeroOp */ | |
371 | } else if (value == 0x01) { | |
372 | build_append_byte(table, 0x01); /* OneOp */ | |
373 | } else if (value <= 0xFF) { | |
295a515d IM |
374 | build_append_byte(table, 0x0A); /* BytePrefix */ |
375 | build_append_int_noprefix(table, value, 1); | |
19934e0e | 376 | } else if (value <= 0xFFFF) { |
295a515d IM |
377 | build_append_byte(table, 0x0B); /* WordPrefix */ |
378 | build_append_int_noprefix(table, value, 2); | |
379 | } else if (value <= 0xFFFFFFFF) { | |
380 | build_append_byte(table, 0x0C); /* DWordPrefix */ | |
381 | build_append_int_noprefix(table, value, 4); | |
19934e0e | 382 | } else { |
295a515d IM |
383 | build_append_byte(table, 0x0E); /* QWordPrefix */ |
384 | build_append_int_noprefix(table, value, 8); | |
19934e0e IM |
385 | } |
386 | } | |
0f2707e4 | 387 | |
d0384d90 IM |
388 | /* Generic Address Structure (GAS) |
389 | * ACPI 2.0/3.0: 5.2.3.1 Generic Address Structure | |
390 | * 2.0 compat note: | |
391 | * @access_width must be 0, see ACPI 2.0:Table 5-1 | |
392 | */ | |
393 | void build_append_gas(GArray *table, AmlAddressSpace as, | |
394 | uint8_t bit_width, uint8_t bit_offset, | |
395 | uint8_t access_width, uint64_t address) | |
396 | { | |
397 | build_append_int_noprefix(table, as, 1); | |
398 | build_append_int_noprefix(table, bit_width, 1); | |
399 | build_append_int_noprefix(table, bit_offset, 1); | |
400 | build_append_int_noprefix(table, access_width, 1); | |
401 | build_append_int_noprefix(table, address, 8); | |
402 | } | |
403 | ||
f2035491 MT |
404 | /* |
405 | * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword, | |
406 | * and return the offset to 0x00000000 for runtime patching. | |
407 | * | |
408 | * Warning: runtime patching is best avoided. Only use this as | |
409 | * a replacement for DataTableRegion (for guests that don't | |
410 | * support it). | |
411 | */ | |
412 | int | |
413 | build_append_named_dword(GArray *array, const char *name_format, ...) | |
414 | { | |
415 | int offset; | |
416 | va_list ap; | |
417 | ||
418 | build_append_byte(array, 0x08); /* NameOp */ | |
419 | va_start(ap, name_format); | |
420 | build_append_namestringv(array, name_format, ap); | |
421 | va_end(ap); | |
422 | ||
423 | build_append_byte(array, 0x0C); /* DWordPrefix */ | |
424 | ||
425 | offset = array->len; | |
426 | build_append_int_noprefix(array, 0x00000000, 4); | |
427 | assert(array->len == offset + 4); | |
428 | ||
429 | return offset; | |
430 | } | |
431 | ||
0f2707e4 IM |
432 | static GPtrArray *alloc_list; |
433 | ||
434 | static Aml *aml_alloc(void) | |
435 | { | |
436 | Aml *var = g_new0(typeof(*var), 1); | |
437 | ||
438 | g_ptr_array_add(alloc_list, var); | |
439 | var->block_flags = AML_NO_OPCODE; | |
440 | var->buf = build_alloc_array(); | |
441 | return var; | |
442 | } | |
443 | ||
3c054bd5 IM |
444 | static Aml *aml_opcode(uint8_t op) |
445 | { | |
446 | Aml *var = aml_alloc(); | |
447 | ||
448 | var->op = op; | |
449 | var->block_flags = AML_OPCODE; | |
450 | return var; | |
451 | } | |
452 | ||
2ef7c27b IM |
453 | static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags) |
454 | { | |
455 | Aml *var = aml_alloc(); | |
456 | ||
457 | var->op = op; | |
458 | var->block_flags = flags; | |
459 | return var; | |
460 | } | |
461 | ||
2e5feadb | 462 | static void aml_free(gpointer data, gpointer user_data) |
0f2707e4 IM |
463 | { |
464 | Aml *var = data; | |
465 | build_free_array(var->buf); | |
afcf905c | 466 | g_free(var); |
0f2707e4 IM |
467 | } |
468 | ||
469 | Aml *init_aml_allocator(void) | |
470 | { | |
0f2707e4 | 471 | assert(!alloc_list); |
2e5feadb | 472 | alloc_list = g_ptr_array_new(); |
9be38598 | 473 | return aml_alloc(); |
0f2707e4 IM |
474 | } |
475 | ||
476 | void free_aml_allocator(void) | |
477 | { | |
2e5feadb | 478 | g_ptr_array_foreach(alloc_list, aml_free, NULL); |
0f2707e4 IM |
479 | g_ptr_array_free(alloc_list, true); |
480 | alloc_list = 0; | |
481 | } | |
482 | ||
483 | /* pack data with DefBuffer encoding */ | |
484 | static void build_buffer(GArray *array, uint8_t op) | |
485 | { | |
486 | GArray *data = build_alloc_array(); | |
487 | ||
488 | build_append_int(data, array->len); | |
489 | g_array_prepend_vals(array, data->data, data->len); | |
490 | build_free_array(data); | |
491 | build_package(array, op); | |
492 | } | |
493 | ||
494 | void aml_append(Aml *parent_ctx, Aml *child) | |
495 | { | |
7d433b0d MT |
496 | GArray *buf = build_alloc_array(); |
497 | build_append_array(buf, child->buf); | |
498 | ||
0f2707e4 IM |
499 | switch (child->block_flags) { |
500 | case AML_OPCODE: | |
501 | build_append_byte(parent_ctx->buf, child->op); | |
502 | break; | |
503 | case AML_EXT_PACKAGE: | |
7d433b0d | 504 | build_extop_package(buf, child->op); |
0f2707e4 IM |
505 | break; |
506 | case AML_PACKAGE: | |
7d433b0d | 507 | build_package(buf, child->op); |
0f2707e4 IM |
508 | break; |
509 | case AML_RES_TEMPLATE: | |
7d433b0d | 510 | build_append_byte(buf, 0x79); /* EndTag */ |
0f2707e4 IM |
511 | /* |
512 | * checksum operations are treated as succeeded if checksum | |
513 | * field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag] | |
514 | */ | |
7d433b0d | 515 | build_append_byte(buf, 0); |
0f2707e4 IM |
516 | /* fall through, to pack resources in buffer */ |
517 | case AML_BUFFER: | |
7d433b0d | 518 | build_buffer(buf, child->op); |
0f2707e4 IM |
519 | break; |
520 | case AML_NO_OPCODE: | |
521 | break; | |
522 | default: | |
523 | assert(0); | |
524 | break; | |
525 | } | |
7d433b0d MT |
526 | build_append_array(parent_ctx->buf, buf); |
527 | build_free_array(buf); | |
0f2707e4 | 528 | } |
2ef7c27b IM |
529 | |
530 | /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */ | |
531 | Aml *aml_scope(const char *name_format, ...) | |
532 | { | |
533 | va_list ap; | |
534 | Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE); | |
535 | va_start(ap, name_format); | |
536 | build_append_namestringv(var->buf, name_format, ap); | |
537 | va_end(ap); | |
538 | return var; | |
539 | } | |
be06ebd0 | 540 | |
b25af5ad IM |
541 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */ |
542 | Aml *aml_return(Aml *val) | |
543 | { | |
544 | Aml *var = aml_opcode(0xA4 /* ReturnOp */); | |
545 | aml_append(var, val); | |
546 | return var; | |
547 | } | |
548 | ||
e8977414 IM |
549 | /* ACPI 1.0b: 16.2.6.3 Debug Objects Encoding: DebugObj */ |
550 | Aml *aml_debug(void) | |
551 | { | |
552 | Aml *var = aml_alloc(); | |
553 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
554 | build_append_byte(var->buf, 0x31); /* DebugOp */ | |
555 | return var; | |
556 | } | |
557 | ||
295a515d IM |
558 | /* |
559 | * ACPI 1.0b: 16.2.3 Data Objects Encoding: | |
560 | * encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp | |
561 | */ | |
562 | Aml *aml_int(const uint64_t val) | |
563 | { | |
564 | Aml *var = aml_alloc(); | |
565 | build_append_int(var->buf, val); | |
566 | return var; | |
567 | } | |
568 | ||
3c054bd5 IM |
569 | /* |
570 | * helper to construct NameString, which returns Aml object | |
571 | * for using with aml_append or other aml_* terms | |
572 | */ | |
573 | Aml *aml_name(const char *name_format, ...) | |
574 | { | |
575 | va_list ap; | |
576 | Aml *var = aml_alloc(); | |
577 | va_start(ap, name_format); | |
578 | build_append_namestringv(var->buf, name_format, ap); | |
579 | va_end(ap); | |
580 | return var; | |
581 | } | |
582 | ||
583 | /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */ | |
584 | Aml *aml_name_decl(const char *name, Aml *val) | |
585 | { | |
586 | Aml *var = aml_opcode(0x08 /* NameOp */); | |
587 | build_append_namestring(var->buf, "%s", name); | |
588 | aml_append(var, val); | |
589 | return var; | |
590 | } | |
591 | ||
7193f3a6 IM |
592 | /* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */ |
593 | Aml *aml_arg(int pos) | |
594 | { | |
7193f3a6 IM |
595 | uint8_t op = 0x68 /* ARG0 op */ + pos; |
596 | ||
597 | assert(pos <= 6); | |
9be38598 | 598 | return aml_opcode(op); |
7193f3a6 IM |
599 | } |
600 | ||
f411199d IM |
601 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */ |
602 | Aml *aml_to_integer(Aml *arg) | |
603 | { | |
604 | Aml *var = aml_opcode(0x99 /* ToIntegerOp */); | |
605 | aml_append(var, arg); | |
606 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
607 | return var; | |
608 | } | |
609 | ||
6d5ea945 IM |
610 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */ |
611 | Aml *aml_to_hexstring(Aml *src, Aml *dst) | |
612 | { | |
613 | Aml *var = aml_opcode(0x98 /* ToHexStringOp */); | |
614 | aml_append(var, src); | |
615 | if (dst) { | |
616 | aml_append(var, dst); | |
617 | } else { | |
618 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
619 | } | |
620 | return var; | |
621 | } | |
622 | ||
25c1432e IM |
623 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */ |
624 | Aml *aml_to_buffer(Aml *src, Aml *dst) | |
625 | { | |
626 | Aml *var = aml_opcode(0x96 /* ToBufferOp */); | |
627 | aml_append(var, src); | |
628 | if (dst) { | |
629 | aml_append(var, dst); | |
630 | } else { | |
631 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
632 | } | |
633 | return var; | |
634 | } | |
635 | ||
c263b3f7 IM |
636 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */ |
637 | Aml *aml_store(Aml *val, Aml *target) | |
638 | { | |
639 | Aml *var = aml_opcode(0x70 /* StoreOp */); | |
640 | aml_append(var, val); | |
641 | aml_append(var, target); | |
642 | return var; | |
643 | } | |
644 | ||
439e2a6e IM |
645 | /** |
646 | * build_opcode_2arg_dst: | |
647 | * @op: 1-byte opcode | |
648 | * @arg1: 1st operand | |
649 | * @arg2: 2nd operand | |
650 | * @dst: optional target to store to, set to NULL if it's not required | |
651 | * | |
652 | * An internal helper to compose AML terms that have | |
653 | * "Op Operand Operand Target" | |
654 | * pattern. | |
655 | * | |
656 | * Returns: The newly allocated and composed according to patter Aml object. | |
657 | */ | |
658 | static Aml * | |
659 | build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst) | |
926f5aae | 660 | { |
439e2a6e | 661 | Aml *var = aml_opcode(op); |
926f5aae IM |
662 | aml_append(var, arg1); |
663 | aml_append(var, arg2); | |
439e2a6e IM |
664 | if (dst) { |
665 | aml_append(var, dst); | |
666 | } else { | |
667 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
668 | } | |
926f5aae IM |
669 | return var; |
670 | } | |
671 | ||
439e2a6e | 672 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ |
5530427f | 673 | Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst) |
439e2a6e | 674 | { |
5530427f | 675 | return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst); |
439e2a6e IM |
676 | } |
677 | ||
922cc882 | 678 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */ |
ca3df95d | 679 | Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst) |
922cc882 | 680 | { |
ca3df95d | 681 | return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst); |
922cc882 SZ |
682 | } |
683 | ||
5776fa99 IM |
684 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLAnd */ |
685 | Aml *aml_land(Aml *arg1, Aml *arg2) | |
686 | { | |
687 | Aml *var = aml_opcode(0x90 /* LAndOp */); | |
688 | aml_append(var, arg1); | |
689 | aml_append(var, arg2); | |
690 | return var; | |
691 | } | |
692 | ||
df241999 IM |
693 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */ |
694 | Aml *aml_lor(Aml *arg1, Aml *arg2) | |
695 | { | |
696 | Aml *var = aml_opcode(0x91 /* LOrOp */); | |
697 | aml_append(var, arg1); | |
698 | aml_append(var, arg2); | |
699 | return var; | |
700 | } | |
701 | ||
a57ddddd MA |
702 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */ |
703 | Aml *aml_shiftleft(Aml *arg1, Aml *count) | |
704 | { | |
439e2a6e | 705 | return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL); |
a57ddddd MA |
706 | } |
707 | ||
f7bd7b8e | 708 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */ |
c360639a | 709 | Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst) |
f7bd7b8e | 710 | { |
c360639a | 711 | return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst); |
f7bd7b8e MA |
712 | } |
713 | ||
96396e28 MA |
714 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */ |
715 | Aml *aml_lless(Aml *arg1, Aml *arg2) | |
716 | { | |
717 | Aml *var = aml_opcode(0x95 /* LLessOp */); | |
718 | aml_append(var, arg1); | |
719 | aml_append(var, arg2); | |
720 | return var; | |
721 | } | |
722 | ||
c08cf070 | 723 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */ |
20ca5208 | 724 | Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) |
c08cf070 | 725 | { |
20ca5208 | 726 | return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst); |
c08cf070 MA |
727 | } |
728 | ||
7059eb42 IM |
729 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */ |
730 | Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst) | |
731 | { | |
732 | return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst); | |
733 | } | |
734 | ||
af39d536 MA |
735 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */ |
736 | Aml *aml_increment(Aml *arg) | |
737 | { | |
738 | Aml *var = aml_opcode(0x75 /* IncrementOp */); | |
739 | aml_append(var, arg); | |
740 | return var; | |
741 | } | |
742 | ||
7059eb42 IM |
743 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */ |
744 | Aml *aml_decrement(Aml *arg) | |
745 | { | |
746 | Aml *var = aml_opcode(0x76 /* DecrementOp */); | |
747 | aml_append(var, arg); | |
748 | return var; | |
749 | } | |
750 | ||
928b8996 MA |
751 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */ |
752 | Aml *aml_index(Aml *arg1, Aml *idx) | |
753 | { | |
439e2a6e | 754 | return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL); |
928b8996 MA |
755 | } |
756 | ||
34189453 IM |
757 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */ |
758 | Aml *aml_notify(Aml *arg1, Aml *arg2) | |
759 | { | |
760 | Aml *var = aml_opcode(0x86 /* NotifyOp */); | |
761 | aml_append(var, arg1); | |
762 | aml_append(var, arg2); | |
763 | return var; | |
7b38ba9c IM |
764 | } |
765 | ||
5776fa99 IM |
766 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefBreak */ |
767 | Aml *aml_break(void) | |
768 | { | |
769 | Aml *var = aml_opcode(0xa5 /* BreakOp */); | |
770 | return var; | |
771 | } | |
772 | ||
9a232487 | 773 | /* helper to call method without argument */ |
7b38ba9c IM |
774 | Aml *aml_call0(const char *method) |
775 | { | |
776 | Aml *var = aml_alloc(); | |
777 | build_append_namestring(var->buf, "%s", method); | |
778 | return var; | |
34189453 IM |
779 | } |
780 | ||
3f3992b7 IM |
781 | /* helper to call method with 1 argument */ |
782 | Aml *aml_call1(const char *method, Aml *arg1) | |
783 | { | |
784 | Aml *var = aml_alloc(); | |
785 | build_append_namestring(var->buf, "%s", method); | |
786 | aml_append(var, arg1); | |
787 | return var; | |
788 | } | |
789 | ||
790 | /* helper to call method with 2 arguments */ | |
791 | Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2) | |
792 | { | |
793 | Aml *var = aml_alloc(); | |
794 | build_append_namestring(var->buf, "%s", method); | |
795 | aml_append(var, arg1); | |
796 | aml_append(var, arg2); | |
797 | return var; | |
798 | } | |
799 | ||
800 | /* helper to call method with 3 arguments */ | |
801 | Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3) | |
802 | { | |
803 | Aml *var = aml_alloc(); | |
804 | build_append_namestring(var->buf, "%s", method); | |
805 | aml_append(var, arg1); | |
806 | aml_append(var, arg2); | |
807 | aml_append(var, arg3); | |
808 | return var; | |
809 | } | |
810 | ||
811 | /* helper to call method with 4 arguments */ | |
812 | Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) | |
813 | { | |
814 | Aml *var = aml_alloc(); | |
815 | build_append_namestring(var->buf, "%s", method); | |
816 | aml_append(var, arg1); | |
817 | aml_append(var, arg2); | |
818 | aml_append(var, arg3); | |
819 | aml_append(var, arg4); | |
820 | return var; | |
821 | } | |
822 | ||
052889b8 XG |
823 | /* helper to call method with 5 arguments */ |
824 | Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4, | |
825 | Aml *arg5) | |
826 | { | |
827 | Aml *var = aml_alloc(); | |
828 | build_append_namestring(var->buf, "%s", method); | |
829 | aml_append(var, arg1); | |
830 | aml_append(var, arg2); | |
831 | aml_append(var, arg3); | |
832 | aml_append(var, arg4); | |
833 | aml_append(var, arg5); | |
834 | return var; | |
835 | } | |
836 | ||
4ecdc746 SZ |
837 | /* |
838 | * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor | |
839 | * Type 1, Large Item Name 0xC | |
840 | */ | |
841 | ||
842 | static Aml *aml_gpio_connection(AmlGpioConnectionType type, | |
843 | AmlConsumerAndProducer con_and_pro, | |
844 | uint8_t flags, AmlPinConfig pin_config, | |
845 | uint16_t output_drive, | |
846 | uint16_t debounce_timeout, | |
847 | const uint32_t pin_list[], uint32_t pin_count, | |
848 | const char *resource_source_name, | |
849 | const uint8_t *vendor_data, | |
850 | uint16_t vendor_data_len) | |
851 | { | |
852 | Aml *var = aml_alloc(); | |
853 | const uint16_t min_desc_len = 0x16; | |
854 | uint16_t resource_source_name_len, length; | |
855 | uint16_t pin_table_offset, resource_source_name_offset, vendor_data_offset; | |
856 | uint32_t i; | |
857 | ||
858 | assert(resource_source_name); | |
859 | resource_source_name_len = strlen(resource_source_name) + 1; | |
860 | length = min_desc_len + resource_source_name_len + vendor_data_len; | |
861 | pin_table_offset = min_desc_len + 1; | |
862 | resource_source_name_offset = pin_table_offset + pin_count * 2; | |
863 | vendor_data_offset = resource_source_name_offset + resource_source_name_len; | |
864 | ||
865 | build_append_byte(var->buf, 0x8C); /* GPIO Connection Descriptor */ | |
866 | build_append_int_noprefix(var->buf, length, 2); /* Length */ | |
867 | build_append_byte(var->buf, 1); /* Revision ID */ | |
868 | build_append_byte(var->buf, type); /* GPIO Connection Type */ | |
869 | /* General Flags (2 bytes) */ | |
870 | build_append_int_noprefix(var->buf, con_and_pro, 2); | |
871 | /* Interrupt and IO Flags (2 bytes) */ | |
872 | build_append_int_noprefix(var->buf, flags, 2); | |
873 | /* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */ | |
874 | build_append_byte(var->buf, pin_config); | |
875 | /* Output Drive Strength (2 bytes) */ | |
876 | build_append_int_noprefix(var->buf, output_drive, 2); | |
877 | /* Debounce Timeout (2 bytes) */ | |
878 | build_append_int_noprefix(var->buf, debounce_timeout, 2); | |
879 | /* Pin Table Offset (2 bytes) */ | |
880 | build_append_int_noprefix(var->buf, pin_table_offset, 2); | |
881 | build_append_byte(var->buf, 0); /* Resource Source Index */ | |
882 | /* Resource Source Name Offset (2 bytes) */ | |
883 | build_append_int_noprefix(var->buf, resource_source_name_offset, 2); | |
884 | /* Vendor Data Offset (2 bytes) */ | |
885 | build_append_int_noprefix(var->buf, vendor_data_offset, 2); | |
886 | /* Vendor Data Length (2 bytes) */ | |
887 | build_append_int_noprefix(var->buf, vendor_data_len, 2); | |
888 | /* Pin Number (2n bytes)*/ | |
889 | for (i = 0; i < pin_count; i++) { | |
890 | build_append_int_noprefix(var->buf, pin_list[i], 2); | |
891 | } | |
892 | ||
893 | /* Resource Source Name */ | |
894 | build_append_namestring(var->buf, "%s", resource_source_name); | |
895 | build_append_byte(var->buf, '\0'); | |
896 | ||
897 | /* Vendor-defined Data */ | |
898 | if (vendor_data != NULL) { | |
899 | g_array_append_vals(var->buf, vendor_data, vendor_data_len); | |
900 | } | |
901 | ||
902 | return var; | |
903 | } | |
904 | ||
37d0e980 SZ |
905 | /* |
906 | * ACPI 5.0: 19.5.53 | |
907 | * GpioInt(GPIO Interrupt Connection Resource Descriptor Macro) | |
908 | */ | |
909 | Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro, | |
910 | AmlLevelAndEdge edge_level, | |
911 | AmlActiveHighAndLow active_level, AmlShared shared, | |
912 | AmlPinConfig pin_config, uint16_t debounce_timeout, | |
913 | const uint32_t pin_list[], uint32_t pin_count, | |
914 | const char *resource_source_name, | |
915 | const uint8_t *vendor_data, uint16_t vendor_data_len) | |
916 | { | |
917 | uint8_t flags = edge_level | (active_level << 1) | (shared << 3); | |
918 | ||
919 | return aml_gpio_connection(AML_INTERRUPT_CONNECTION, con_and_pro, flags, | |
920 | pin_config, 0, debounce_timeout, pin_list, | |
921 | pin_count, resource_source_name, vendor_data, | |
922 | vendor_data_len); | |
923 | } | |
924 | ||
dc17ab1d SZ |
925 | /* |
926 | * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor | |
927 | * (Type 1, Large Item Name 0x6) | |
928 | */ | |
929 | Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, | |
930 | AmlReadAndWrite read_and_write) | |
931 | { | |
932 | Aml *var = aml_alloc(); | |
933 | build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */ | |
934 | build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */ | |
935 | build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */ | |
936 | build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */ | |
937 | ||
938 | /* Range base address */ | |
939 | build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */ | |
940 | build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */ | |
941 | build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */ | |
942 | build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */ | |
943 | ||
944 | /* Range length */ | |
945 | build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */ | |
946 | build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */ | |
947 | build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */ | |
948 | build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */ | |
949 | return var; | |
950 | } | |
951 | ||
205d1d1c SZ |
952 | /* |
953 | * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor | |
954 | * Type 1, Large Item Name 0x9 | |
955 | */ | |
956 | Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, | |
957 | AmlLevelAndEdge level_and_edge, | |
958 | AmlActiveHighAndLow high_and_low, AmlShared shared, | |
45fcf539 | 959 | uint32_t *irq_list, uint8_t irq_count) |
205d1d1c | 960 | { |
45fcf539 | 961 | int i; |
205d1d1c SZ |
962 | Aml *var = aml_alloc(); |
963 | uint8_t irq_flags = con_and_pro | (level_and_edge << 1) | |
964 | | (high_and_low << 2) | (shared << 3); | |
45fcf539 IM |
965 | const int header_bytes_in_len = 2; |
966 | uint16_t len = header_bytes_in_len + irq_count * sizeof(uint32_t); | |
967 | ||
968 | assert(irq_count > 0); | |
205d1d1c SZ |
969 | |
970 | build_append_byte(var->buf, 0x89); /* Extended irq descriptor */ | |
45fcf539 IM |
971 | build_append_byte(var->buf, len & 0xFF); /* Length, bits[7:0] */ |
972 | build_append_byte(var->buf, len >> 8); /* Length, bits[15:8] */ | |
205d1d1c | 973 | build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */ |
45fcf539 | 974 | build_append_byte(var->buf, irq_count); /* Interrupt table length */ |
205d1d1c | 975 | |
45fcf539 IM |
976 | /* Interrupt Number List */ |
977 | for (i = 0; i < irq_count; i++) { | |
978 | build_append_int_noprefix(var->buf, irq_list[i], 4); | |
979 | } | |
205d1d1c SZ |
980 | return var; |
981 | } | |
982 | ||
52fa397c IM |
983 | /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ |
984 | Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, | |
985 | uint8_t aln, uint8_t len) | |
986 | { | |
987 | Aml *var = aml_alloc(); | |
988 | build_append_byte(var->buf, 0x47); /* IO port descriptor */ | |
989 | build_append_byte(var->buf, dec); | |
990 | build_append_byte(var->buf, min_base & 0xff); | |
991 | build_append_byte(var->buf, (min_base >> 8) & 0xff); | |
992 | build_append_byte(var->buf, max_base & 0xff); | |
993 | build_append_byte(var->buf, (max_base >> 8) & 0xff); | |
994 | build_append_byte(var->buf, aln); | |
995 | build_append_byte(var->buf, len); | |
996 | return var; | |
997 | } | |
998 | ||
70560453 IM |
999 | /* |
1000 | * ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor | |
1001 | * | |
1002 | * More verbose description at: | |
1003 | * ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro) | |
1004 | * 6.4.2.1 IRQ Descriptor | |
1005 | */ | |
1006 | Aml *aml_irq_no_flags(uint8_t irq) | |
1007 | { | |
1008 | uint16_t irq_mask; | |
1009 | Aml *var = aml_alloc(); | |
1010 | ||
1011 | assert(irq < 16); | |
1012 | build_append_byte(var->buf, 0x22); /* IRQ descriptor 2 byte form */ | |
1013 | ||
1014 | irq_mask = 1U << irq; | |
1015 | build_append_byte(var->buf, irq_mask & 0xFF); /* IRQ mask bits[7:0] */ | |
1016 | build_append_byte(var->buf, irq_mask >> 8); /* IRQ mask bits[15:8] */ | |
1017 | return var; | |
1018 | } | |
1019 | ||
ea7df04a SZ |
1020 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */ |
1021 | Aml *aml_lnot(Aml *arg) | |
1022 | { | |
1023 | Aml *var = aml_opcode(0x92 /* LNotOp */); | |
1024 | aml_append(var, arg); | |
1025 | return var; | |
1026 | } | |
1027 | ||
15e44e56 IM |
1028 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */ |
1029 | Aml *aml_equal(Aml *arg1, Aml *arg2) | |
1030 | { | |
1031 | Aml *var = aml_opcode(0x93 /* LequalOp */); | |
1032 | aml_append(var, arg1); | |
dabad78b IM |
1033 | aml_append(var, arg2); |
1034 | return var; | |
1035 | } | |
1036 | ||
1037 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */ | |
1038 | Aml *aml_lgreater(Aml *arg1, Aml *arg2) | |
1039 | { | |
1040 | Aml *var = aml_opcode(0x94 /* LGreaterOp */); | |
1041 | aml_append(var, arg1); | |
15e44e56 | 1042 | aml_append(var, arg2); |
15e44e56 IM |
1043 | return var; |
1044 | } | |
1045 | ||
2d3f667d IM |
1046 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */ |
1047 | Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2) | |
1048 | { | |
1049 | /* LGreaterEqualOp := LNotOp LLessOp */ | |
1050 | Aml *var = aml_opcode(0x92 /* LNotOp */); | |
1051 | build_append_byte(var->buf, 0x95 /* LLessOp */); | |
1052 | aml_append(var, arg1); | |
1053 | aml_append(var, arg2); | |
1054 | return var; | |
1055 | } | |
1056 | ||
32acac9e IM |
1057 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ |
1058 | Aml *aml_if(Aml *predicate) | |
1059 | { | |
1060 | Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE); | |
1061 | aml_append(var, predicate); | |
1062 | return var; | |
1063 | } | |
1064 | ||
467b07df SZ |
1065 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */ |
1066 | Aml *aml_else(void) | |
1067 | { | |
1068 | Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE); | |
1069 | return var; | |
1070 | } | |
1071 | ||
32d9ca15 MA |
1072 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */ |
1073 | Aml *aml_while(Aml *predicate) | |
1074 | { | |
1075 | Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE); | |
1076 | aml_append(var, predicate); | |
1077 | return var; | |
1078 | } | |
1079 | ||
ea2407d7 | 1080 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */ |
4dbfc881 | 1081 | Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag) |
ea2407d7 IM |
1082 | { |
1083 | Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE); | |
4dbfc881 XG |
1084 | int methodflags; |
1085 | ||
1086 | /* | |
1087 | * MethodFlags: | |
1088 | * bit 0-2: ArgCount (0-7) | |
1089 | * bit 3: SerializeFlag | |
1090 | * 0: NotSerialized | |
1091 | * 1: Serialized | |
1092 | * bit 4-7: reserved (must be 0) | |
1093 | */ | |
1094 | assert(arg_count < 8); | |
1095 | methodflags = arg_count | (sflag << 3); | |
1096 | ||
ea2407d7 | 1097 | build_append_namestring(var->buf, "%s", name); |
4dbfc881 | 1098 | build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */ |
ea2407d7 IM |
1099 | return var; |
1100 | } | |
1101 | ||
be06ebd0 IM |
1102 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */ |
1103 | Aml *aml_device(const char *name_format, ...) | |
1104 | { | |
1105 | va_list ap; | |
1106 | Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE); | |
1107 | va_start(ap, name_format); | |
1108 | build_append_namestringv(var->buf, name_format, ap); | |
1109 | va_end(ap); | |
1110 | return var; | |
1111 | } | |
3bfa74a7 | 1112 | |
ad4a80bc IM |
1113 | /* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */ |
1114 | Aml *aml_resource_template(void) | |
1115 | { | |
1116 | /* ResourceTemplate is a buffer of Resources with EndTag at the end */ | |
1117 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE); | |
1118 | return var; | |
1119 | } | |
1120 | ||
ed8b5847 SZ |
1121 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer |
1122 | * Pass byte_list as NULL to request uninitialized buffer to reserve space. | |
1123 | */ | |
1124 | Aml *aml_buffer(int buffer_size, uint8_t *byte_list) | |
04b8da54 | 1125 | { |
ed8b5847 | 1126 | int i; |
04b8da54 | 1127 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); |
ed8b5847 SZ |
1128 | |
1129 | for (i = 0; i < buffer_size; i++) { | |
1130 | if (byte_list == NULL) { | |
1131 | build_append_byte(var->buf, 0x0); | |
1132 | } else { | |
1133 | build_append_byte(var->buf, byte_list[i]); | |
1134 | } | |
1135 | } | |
1136 | ||
04b8da54 IM |
1137 | return var; |
1138 | } | |
1139 | ||
3bfa74a7 IM |
1140 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */ |
1141 | Aml *aml_package(uint8_t num_elements) | |
1142 | { | |
1143 | Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE); | |
1144 | build_append_byte(var->buf, num_elements); | |
1145 | return var; | |
1146 | } | |
31127938 IM |
1147 | |
1148 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */ | |
1149 | Aml *aml_operation_region(const char *name, AmlRegionSpace rs, | |
3f3009c0 | 1150 | Aml *offset, uint32_t len) |
31127938 IM |
1151 | { |
1152 | Aml *var = aml_alloc(); | |
1153 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1154 | build_append_byte(var->buf, 0x80); /* OpRegionOp */ | |
1155 | build_append_namestring(var->buf, "%s", name); | |
1156 | build_append_byte(var->buf, rs); | |
3f3009c0 | 1157 | aml_append(var, offset); |
31127938 IM |
1158 | build_append_int(var->buf, len); |
1159 | return var; | |
1160 | } | |
214ae59f IM |
1161 | |
1162 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */ | |
1163 | Aml *aml_named_field(const char *name, unsigned length) | |
1164 | { | |
1165 | Aml *var = aml_alloc(); | |
1166 | build_append_nameseg(var->buf, name); | |
1167 | build_append_pkg_length(var->buf, length, false); | |
1168 | return var; | |
1169 | } | |
1170 | ||
e2ea299b IM |
1171 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */ |
1172 | Aml *aml_reserved_field(unsigned length) | |
1173 | { | |
1174 | Aml *var = aml_alloc(); | |
1175 | /* ReservedField := 0x00 PkgLength */ | |
1176 | build_append_byte(var->buf, 0x00); | |
1177 | build_append_pkg_length(var->buf, length, false); | |
1178 | return var; | |
1179 | } | |
1180 | ||
214ae59f | 1181 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */ |
36de884a IM |
1182 | Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock, |
1183 | AmlUpdateRule rule) | |
214ae59f IM |
1184 | { |
1185 | Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE); | |
af509897 ZG |
1186 | uint8_t flags = rule << 5 | type; |
1187 | ||
36de884a IM |
1188 | flags |= lock << 4; /* LockRule at 4 bit offset */ |
1189 | ||
214ae59f IM |
1190 | build_append_namestring(var->buf, "%s", name); |
1191 | build_append_byte(var->buf, flags); | |
1192 | return var; | |
1193 | } | |
b8a5d689 | 1194 | |
7e192a38 IM |
1195 | static |
1196 | Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) | |
ed8176a3 | 1197 | { |
7e192a38 | 1198 | Aml *var = aml_opcode(opcode); |
ed8176a3 SZ |
1199 | aml_append(var, srcbuf); |
1200 | aml_append(var, index); | |
1201 | build_append_namestring(var->buf, "%s", name); | |
1202 | return var; | |
1203 | } | |
1204 | ||
39b6dbd8 XG |
1205 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */ |
1206 | Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, | |
1207 | const char *name) | |
1208 | { | |
1209 | Aml *var = aml_alloc(); | |
1210 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1211 | build_append_byte(var->buf, 0x13); /* CreateFieldOp */ | |
1212 | aml_append(var, srcbuf); | |
1213 | aml_append(var, bit_index); | |
1214 | aml_append(var, num_bits); | |
1215 | build_append_namestring(var->buf, "%s", name); | |
1216 | return var; | |
1217 | } | |
1218 | ||
7e192a38 IM |
1219 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ |
1220 | Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) | |
1221 | { | |
1222 | return create_field_common(0x8A /* CreateDWordFieldOp */, | |
1223 | srcbuf, index, name); | |
1224 | } | |
1225 | ||
1226 | /* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */ | |
1227 | Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name) | |
1228 | { | |
1229 | return create_field_common(0x8F /* CreateQWordFieldOp */, | |
1230 | srcbuf, index, name); | |
1231 | } | |
1232 | ||
d5e5830f IM |
1233 | /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ |
1234 | Aml *aml_string(const char *name_format, ...) | |
1235 | { | |
1236 | Aml *var = aml_opcode(0x0D /* StringPrefix */); | |
c3bdc56c | 1237 | va_list ap; |
d5e5830f IM |
1238 | char *s; |
1239 | int len; | |
1240 | ||
1241 | va_start(ap, name_format); | |
c3bdc56c | 1242 | len = g_vasprintf(&s, name_format, ap); |
d5e5830f IM |
1243 | va_end(ap); |
1244 | ||
c3bdc56c | 1245 | g_array_append_vals(var->buf, s, len + 1); |
d5e5830f IM |
1246 | g_free(s); |
1247 | ||
1248 | return var; | |
1249 | } | |
1250 | ||
b8a5d689 IM |
1251 | /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ |
1252 | Aml *aml_local(int num) | |
1253 | { | |
b8a5d689 IM |
1254 | uint8_t op = 0x60 /* Local0Op */ + num; |
1255 | ||
1256 | assert(num <= 7); | |
9be38598 | 1257 | return aml_opcode(op); |
b8a5d689 | 1258 | } |
a678508e IM |
1259 | |
1260 | /* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */ | |
1261 | Aml *aml_varpackage(uint32_t num_elements) | |
1262 | { | |
1263 | Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE); | |
1264 | build_append_int(var->buf, num_elements); | |
1265 | return var; | |
1266 | } | |
3dd15643 IM |
1267 | |
1268 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */ | |
1269 | Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len, | |
1270 | const char *name_format, ...) | |
1271 | { | |
1272 | va_list ap; | |
1273 | Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE); | |
1274 | va_start(ap, name_format); | |
1275 | build_append_namestringv(var->buf, name_format, ap); | |
1276 | va_end(ap); | |
1277 | build_append_byte(var->buf, proc_id); /* ProcID */ | |
1278 | build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr)); | |
1279 | build_append_byte(var->buf, pblk_len); /* PblkLen */ | |
1280 | return var; | |
1281 | } | |
a7891dac IM |
1282 | |
1283 | static uint8_t Hex2Digit(char c) | |
1284 | { | |
1285 | if (c >= 'A') { | |
1286 | return c - 'A' + 10; | |
1287 | } | |
1288 | ||
1289 | return c - '0'; | |
1290 | } | |
1291 | ||
1292 | /* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */ | |
1293 | Aml *aml_eisaid(const char *str) | |
1294 | { | |
1295 | Aml *var = aml_alloc(); | |
1296 | uint32_t id; | |
1297 | ||
1298 | g_assert(strlen(str) == 7); | |
1299 | id = (str[0] - 0x40) << 26 | | |
1300 | (str[1] - 0x40) << 21 | | |
1301 | (str[2] - 0x40) << 16 | | |
1302 | Hex2Digit(str[3]) << 12 | | |
1303 | Hex2Digit(str[4]) << 8 | | |
1304 | Hex2Digit(str[5]) << 4 | | |
1305 | Hex2Digit(str[6]); | |
1306 | ||
1307 | build_append_byte(var->buf, 0x0C); /* DWordPrefix */ | |
1308 | build_append_int_noprefix(var->buf, bswap32(id), sizeof(id)); | |
1309 | return var; | |
1310 | } | |
6ece7053 IM |
1311 | |
1312 | /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */ | |
1313 | static Aml *aml_as_desc_header(AmlResourceType type, AmlMinFixed min_fixed, | |
1314 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1315 | uint8_t type_flags) | |
1316 | { | |
1317 | uint8_t flags = max_fixed | min_fixed | dec; | |
1318 | Aml *var = aml_alloc(); | |
1319 | ||
1320 | build_append_byte(var->buf, type); | |
1321 | build_append_byte(var->buf, flags); | |
1322 | build_append_byte(var->buf, type_flags); /* Type Specific Flags */ | |
1323 | return var; | |
1324 | } | |
1325 | ||
1326 | /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */ | |
1327 | static Aml *aml_word_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1328 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1329 | uint16_t addr_gran, uint16_t addr_min, | |
1330 | uint16_t addr_max, uint16_t addr_trans, | |
1331 | uint16_t len, uint8_t type_flags) | |
1332 | { | |
1333 | Aml *var = aml_alloc(); | |
1334 | ||
1335 | build_append_byte(var->buf, 0x88); /* Word Address Space Descriptor */ | |
1336 | /* minimum length since we do not encode optional fields */ | |
1337 | build_append_byte(var->buf, 0x0D); | |
1338 | build_append_byte(var->buf, 0x0); | |
1339 | ||
1340 | aml_append(var, | |
1341 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1342 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1343 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1344 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1345 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1346 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1347 | return var; | |
1348 | } | |
1349 | ||
1350 | /* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */ | |
1351 | static Aml *aml_dword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1352 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1353 | uint32_t addr_gran, uint32_t addr_min, | |
1354 | uint32_t addr_max, uint32_t addr_trans, | |
1355 | uint32_t len, uint8_t type_flags) | |
1356 | { | |
1357 | Aml *var = aml_alloc(); | |
1358 | ||
1359 | build_append_byte(var->buf, 0x87); /* DWord Address Space Descriptor */ | |
1360 | /* minimum length since we do not encode optional fields */ | |
1361 | build_append_byte(var->buf, 23); | |
1362 | build_append_byte(var->buf, 0x0); | |
1363 | ||
1364 | ||
1365 | aml_append(var, | |
1366 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1367 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1368 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1369 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1370 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1371 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1372 | return var; | |
1373 | } | |
1374 | ||
1375 | /* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */ | |
1376 | static Aml *aml_qword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1377 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1378 | uint64_t addr_gran, uint64_t addr_min, | |
1379 | uint64_t addr_max, uint64_t addr_trans, | |
1380 | uint64_t len, uint8_t type_flags) | |
1381 | { | |
1382 | Aml *var = aml_alloc(); | |
1383 | ||
1384 | build_append_byte(var->buf, 0x8A); /* QWord Address Space Descriptor */ | |
1385 | /* minimum length since we do not encode optional fields */ | |
1386 | build_append_byte(var->buf, 0x2B); | |
1387 | build_append_byte(var->buf, 0x0); | |
1388 | ||
1389 | aml_append(var, | |
1390 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1391 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1392 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1393 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1394 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1395 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1396 | return var; | |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor | |
1401 | * | |
1402 | * More verbose description at: | |
1403 | * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro) | |
1404 | */ | |
1405 | Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1406 | AmlDecode dec, uint16_t addr_gran, | |
1407 | uint16_t addr_min, uint16_t addr_max, | |
1408 | uint16_t addr_trans, uint16_t len) | |
1409 | ||
1410 | { | |
ff80dc7f | 1411 | return aml_word_as_desc(AML_BUS_NUMBER_RANGE, min_fixed, max_fixed, dec, |
6ece7053 IM |
1412 | addr_gran, addr_min, addr_max, addr_trans, len, 0); |
1413 | } | |
1414 | ||
1415 | /* | |
1416 | * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor | |
1417 | * | |
1418 | * More verbose description at: | |
1419 | * ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro) | |
1420 | */ | |
1421 | Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1422 | AmlDecode dec, AmlISARanges isa_ranges, | |
1423 | uint16_t addr_gran, uint16_t addr_min, | |
1424 | uint16_t addr_max, uint16_t addr_trans, | |
1425 | uint16_t len) | |
1426 | ||
1427 | { | |
ff80dc7f | 1428 | return aml_word_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, |
6ece7053 IM |
1429 | addr_gran, addr_min, addr_max, addr_trans, len, |
1430 | isa_ranges); | |
1431 | } | |
1432 | ||
616ef329 SZ |
1433 | /* |
1434 | * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor | |
1435 | * | |
1436 | * More verbose description at: | |
1437 | * ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro) | |
1438 | */ | |
1439 | Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1440 | AmlDecode dec, AmlISARanges isa_ranges, | |
1441 | uint32_t addr_gran, uint32_t addr_min, | |
1442 | uint32_t addr_max, uint32_t addr_trans, | |
1443 | uint32_t len) | |
1444 | ||
1445 | { | |
1446 | return aml_dword_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, | |
1447 | addr_gran, addr_min, addr_max, addr_trans, len, | |
1448 | isa_ranges); | |
1449 | } | |
1450 | ||
6ece7053 IM |
1451 | /* |
1452 | * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor | |
1453 | * | |
1454 | * More verbose description at: | |
1455 | * ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro) | |
1456 | */ | |
1457 | Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed, | |
ff80dc7f | 1458 | AmlMaxFixed max_fixed, AmlCacheable cacheable, |
6ece7053 IM |
1459 | AmlReadAndWrite read_and_write, |
1460 | uint32_t addr_gran, uint32_t addr_min, | |
1461 | uint32_t addr_max, uint32_t addr_trans, | |
1462 | uint32_t len) | |
1463 | { | |
1464 | uint8_t flags = read_and_write | (cacheable << 1); | |
1465 | ||
ff80dc7f | 1466 | return aml_dword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, |
6ece7053 IM |
1467 | dec, addr_gran, addr_min, addr_max, |
1468 | addr_trans, len, flags); | |
1469 | } | |
1470 | ||
1471 | /* | |
1472 | * ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor | |
1473 | * | |
1474 | * More verbose description at: | |
1475 | * ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro) | |
1476 | */ | |
1477 | Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, | |
ff80dc7f | 1478 | AmlMaxFixed max_fixed, AmlCacheable cacheable, |
6ece7053 IM |
1479 | AmlReadAndWrite read_and_write, |
1480 | uint64_t addr_gran, uint64_t addr_min, | |
1481 | uint64_t addr_max, uint64_t addr_trans, | |
1482 | uint64_t len) | |
1483 | { | |
1484 | uint8_t flags = read_and_write | (cacheable << 1); | |
1485 | ||
ff80dc7f | 1486 | return aml_qword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, |
6ece7053 IM |
1487 | dec, addr_gran, addr_min, addr_max, |
1488 | addr_trans, len, flags); | |
1489 | } | |
658c2718 | 1490 | |
a23b8872 IM |
1491 | /* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */ |
1492 | Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, | |
1493 | uint8_t channel) | |
1494 | { | |
1495 | Aml *var = aml_alloc(); | |
1496 | uint8_t flags = sz | bm << 2 | typ << 5; | |
1497 | ||
1498 | assert(channel < 8); | |
1499 | build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */ | |
1500 | build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */ | |
1501 | build_append_byte(var->buf, flags); /* Byte 2 */ | |
1502 | return var; | |
1503 | } | |
1504 | ||
0073518d IM |
1505 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */ |
1506 | Aml *aml_sleep(uint64_t msec) | |
1507 | { | |
1508 | Aml *var = aml_alloc(); | |
1509 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1510 | build_append_byte(var->buf, 0x22); /* SleepOp */ | |
1511 | aml_append(var, aml_int(msec)); | |
1512 | return var; | |
1513 | } | |
1514 | ||
b930fb9d SZ |
1515 | static uint8_t Hex2Byte(const char *src) |
1516 | { | |
1517 | int hi, lo; | |
1518 | ||
1519 | hi = Hex2Digit(src[0]); | |
1520 | assert(hi >= 0); | |
1521 | assert(hi <= 15); | |
1522 | ||
1523 | lo = Hex2Digit(src[1]); | |
1524 | assert(lo >= 0); | |
1525 | assert(lo <= 15); | |
1526 | return (hi << 4) | lo; | |
1527 | } | |
1528 | ||
1529 | /* | |
1530 | * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) | |
1531 | * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp | |
1532 | * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); | |
1533 | */ | |
1534 | Aml *aml_touuid(const char *uuid) | |
1535 | { | |
1536 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); | |
1537 | ||
1538 | assert(strlen(uuid) == 36); | |
1539 | assert(uuid[8] == '-'); | |
1540 | assert(uuid[13] == '-'); | |
1541 | assert(uuid[18] == '-'); | |
1542 | assert(uuid[23] == '-'); | |
1543 | ||
1544 | build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */ | |
1545 | build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */ | |
1546 | build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */ | |
1547 | build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */ | |
1548 | ||
1549 | build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */ | |
1550 | build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */ | |
1551 | ||
1552 | build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */ | |
1553 | build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */ | |
1554 | ||
1555 | build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */ | |
1556 | build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */ | |
1557 | ||
1558 | build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */ | |
1559 | build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */ | |
1560 | build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */ | |
1561 | build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */ | |
1562 | build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */ | |
1563 | build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */ | |
1564 | ||
1565 | return var; | |
1566 | } | |
1567 | ||
e1f776c4 SZ |
1568 | /* |
1569 | * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode) | |
1570 | */ | |
1571 | Aml *aml_unicode(const char *str) | |
1572 | { | |
1573 | int i = 0; | |
1574 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); | |
1575 | ||
1576 | do { | |
1577 | build_append_byte(var->buf, str[i]); | |
1578 | build_append_byte(var->buf, 0); | |
1579 | i++; | |
1580 | } while (i <= strlen(str)); | |
1581 | ||
1582 | return var; | |
1583 | } | |
1584 | ||
7bc6fd24 IM |
1585 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefRefOf */ |
1586 | Aml *aml_refof(Aml *arg) | |
1587 | { | |
1588 | Aml *var = aml_opcode(0x71 /* RefOfOp */); | |
1589 | aml_append(var, arg); | |
1590 | return var; | |
1591 | } | |
1592 | ||
95cb0661 XG |
1593 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */ |
1594 | Aml *aml_derefof(Aml *arg) | |
1595 | { | |
1596 | Aml *var = aml_opcode(0x83 /* DerefOfOp */); | |
1597 | aml_append(var, arg); | |
1598 | return var; | |
1599 | } | |
1600 | ||
52483d14 XG |
1601 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */ |
1602 | Aml *aml_sizeof(Aml *arg) | |
1603 | { | |
1604 | Aml *var = aml_opcode(0x87 /* SizeOfOp */); | |
1605 | aml_append(var, arg); | |
1606 | return var; | |
1607 | } | |
1608 | ||
6e1db3f2 XG |
1609 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */ |
1610 | Aml *aml_mutex(const char *name, uint8_t sync_level) | |
1611 | { | |
1612 | Aml *var = aml_alloc(); | |
1613 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1614 | build_append_byte(var->buf, 0x01); /* MutexOp */ | |
1615 | build_append_namestring(var->buf, "%s", name); | |
1616 | assert(!(sync_level & 0xF0)); | |
1617 | build_append_byte(var->buf, sync_level); | |
1618 | return var; | |
1619 | } | |
1620 | ||
1621 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */ | |
1622 | Aml *aml_acquire(Aml *mutex, uint16_t timeout) | |
1623 | { | |
1624 | Aml *var = aml_alloc(); | |
1625 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1626 | build_append_byte(var->buf, 0x23); /* AcquireOp */ | |
1627 | aml_append(var, mutex); | |
1628 | build_append_int_noprefix(var->buf, timeout, sizeof(timeout)); | |
1629 | return var; | |
1630 | } | |
1631 | ||
1632 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */ | |
1633 | Aml *aml_release(Aml *mutex) | |
1634 | { | |
1635 | Aml *var = aml_alloc(); | |
1636 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1637 | build_append_byte(var->buf, 0x27); /* ReleaseOp */ | |
1638 | aml_append(var, mutex); | |
1639 | return var; | |
1640 | } | |
1641 | ||
67a5c0fa IM |
1642 | /* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */ |
1643 | Aml *aml_alias(const char *source_object, const char *alias_object) | |
1644 | { | |
1645 | Aml *var = aml_opcode(0x06 /* AliasOp */); | |
1646 | aml_append(var, aml_name("%s", source_object)); | |
1647 | aml_append(var, aml_name("%s", alias_object)); | |
1648 | return var; | |
9815cba5 XG |
1649 | } |
1650 | ||
1651 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */ | |
1652 | Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target) | |
1653 | { | |
1654 | return build_opcode_2arg_dst(0x73 /* ConcatOp */, source1, source2, | |
1655 | target); | |
67a5c0fa IM |
1656 | } |
1657 | ||
b265f27c XG |
1658 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefObjectType */ |
1659 | Aml *aml_object_type(Aml *object) | |
1660 | { | |
1661 | Aml *var = aml_opcode(0x8E /* ObjectTypeOp */); | |
1662 | aml_append(var, object); | |
1663 | return var; | |
1664 | } | |
1665 | ||
658c2718 | 1666 | void |
0e9b9eda | 1667 | build_header(BIOSLinker *linker, GArray *table_data, |
8870ca0e | 1668 | AcpiTableHeader *h, const char *sig, int len, uint8_t rev, |
37ad223c | 1669 | const char *oem_id, const char *oem_table_id) |
658c2718 | 1670 | { |
28213cb6 IM |
1671 | unsigned tbl_offset = (char *)h - table_data->data; |
1672 | unsigned checksum_offset = (char *)&h->checksum - table_data->data; | |
658c2718 SZ |
1673 | memcpy(&h->signature, sig, 4); |
1674 | h->length = cpu_to_le32(len); | |
1675 | h->revision = rev; | |
37ad223c LE |
1676 | |
1677 | if (oem_id) { | |
1678 | strncpy((char *)h->oem_id, oem_id, sizeof h->oem_id); | |
1679 | } else { | |
1680 | memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); | |
1681 | } | |
8870ca0e XG |
1682 | |
1683 | if (oem_table_id) { | |
1684 | strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id)); | |
1685 | } else { | |
1686 | memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); | |
1687 | memcpy(h->oem_table_id + 4, sig, 4); | |
1688 | } | |
1689 | ||
658c2718 SZ |
1690 | h->oem_revision = cpu_to_le32(1); |
1691 | memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); | |
1692 | h->asl_compiler_revision = cpu_to_le32(1); | |
658c2718 SZ |
1693 | /* Checksum to be filled in by Guest linker */ |
1694 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE, | |
28213cb6 | 1695 | tbl_offset, len, checksum_offset); |
658c2718 SZ |
1696 | } |
1697 | ||
1698 | void *acpi_data_push(GArray *table_data, unsigned size) | |
1699 | { | |
1700 | unsigned off = table_data->len; | |
1701 | g_array_set_size(table_data, off + size); | |
1702 | return table_data->data + off; | |
1703 | } | |
1704 | ||
1705 | unsigned acpi_data_len(GArray *table) | |
1706 | { | |
658c2718 | 1707 | assert(g_array_get_element_size(table) == 1); |
658c2718 SZ |
1708 | return table->len; |
1709 | } | |
1710 | ||
1711 | void acpi_add_table(GArray *table_offsets, GArray *table_data) | |
1712 | { | |
4678124b | 1713 | uint32_t offset = table_data->len; |
658c2718 SZ |
1714 | g_array_append_val(table_offsets, offset); |
1715 | } | |
1716 | ||
1717 | void acpi_build_tables_init(AcpiBuildTables *tables) | |
1718 | { | |
1719 | tables->rsdp = g_array_new(false, true /* clear */, 1); | |
1720 | tables->table_data = g_array_new(false, true /* clear */, 1); | |
1721 | tables->tcpalog = g_array_new(false, true /* clear */, 1); | |
c7809e6c | 1722 | tables->vmgenid = g_array_new(false, true /* clear */, 1); |
aa16508f | 1723 | tables->hardware_errors = g_array_new(false, true /* clear */, 1); |
658c2718 SZ |
1724 | tables->linker = bios_linker_loader_init(); |
1725 | } | |
1726 | ||
1727 | void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) | |
1728 | { | |
8cc87c31 | 1729 | bios_linker_loader_cleanup(tables->linker); |
658c2718 SZ |
1730 | g_array_free(tables->rsdp, true); |
1731 | g_array_free(tables->table_data, true); | |
1732 | g_array_free(tables->tcpalog, mfre); | |
c7809e6c | 1733 | g_array_free(tables->vmgenid, mfre); |
aa16508f | 1734 | g_array_free(tables->hardware_errors, mfre); |
658c2718 | 1735 | } |
243bdb79 | 1736 | |
a46ce1c2 SO |
1737 | /* |
1738 | * ACPI spec 5.2.5.3 Root System Description Pointer (RSDP). | |
1739 | * (Revision 1.0 or later) | |
1740 | */ | |
1741 | void | |
1742 | build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) | |
1743 | { | |
1744 | int tbl_off = tbl->len; /* Table offset in the RSDP file */ | |
1745 | ||
1746 | switch (rsdp_data->revision) { | |
1747 | case 0: | |
1748 | /* With ACPI 1.0, we must have an RSDT pointer */ | |
1749 | g_assert(rsdp_data->rsdt_tbl_offset); | |
1750 | break; | |
1751 | case 2: | |
1752 | /* With ACPI 2.0+, we must have an XSDT pointer */ | |
1753 | g_assert(rsdp_data->xsdt_tbl_offset); | |
1754 | break; | |
1755 | default: | |
1756 | /* Only revisions 0 (ACPI 1.0) and 2 (ACPI 2.0+) are valid for RSDP */ | |
1757 | g_assert_not_reached(); | |
1758 | } | |
1759 | ||
1760 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, | |
1761 | true /* fseg memory */); | |
1762 | ||
1763 | g_array_append_vals(tbl, "RSD PTR ", 8); /* Signature */ | |
1764 | build_append_int_noprefix(tbl, 0, 1); /* Checksum */ | |
1765 | g_array_append_vals(tbl, rsdp_data->oem_id, 6); /* OEMID */ | |
1766 | build_append_int_noprefix(tbl, rsdp_data->revision, 1); /* Revision */ | |
1767 | build_append_int_noprefix(tbl, 0, 4); /* RsdtAddress */ | |
1768 | if (rsdp_data->rsdt_tbl_offset) { | |
1769 | /* RSDT address to be filled by guest linker */ | |
1770 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1771 | tbl_off + 16, 4, | |
1772 | ACPI_BUILD_TABLE_FILE, | |
1773 | *rsdp_data->rsdt_tbl_offset); | |
1774 | } | |
1775 | ||
1776 | /* Checksum to be filled by guest linker */ | |
1777 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1778 | tbl_off, 20, /* ACPI rev 1.0 RSDP size */ | |
1779 | 8); | |
1780 | ||
1781 | if (rsdp_data->revision == 0) { | |
1782 | /* ACPI 1.0 RSDP, we're done */ | |
1783 | return; | |
1784 | } | |
1785 | ||
1786 | build_append_int_noprefix(tbl, 36, 4); /* Length */ | |
1787 | ||
1788 | /* XSDT address to be filled by guest linker */ | |
1789 | build_append_int_noprefix(tbl, 0, 8); /* XsdtAddress */ | |
1790 | /* We already validated our xsdt pointer */ | |
1791 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1792 | tbl_off + 24, 8, | |
1793 | ACPI_BUILD_TABLE_FILE, | |
1794 | *rsdp_data->xsdt_tbl_offset); | |
1795 | ||
1796 | build_append_int_noprefix(tbl, 0, 1); /* Extended Checksum */ | |
1797 | build_append_int_noprefix(tbl, 0, 3); /* Reserved */ | |
1798 | ||
1799 | /* Extended checksum to be filled by Guest linker */ | |
1800 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1801 | tbl_off, 36, /* ACPI rev 2.0 RSDP size */ | |
1802 | 32); | |
1803 | } | |
1804 | ||
243bdb79 SZ |
1805 | /* Build rsdt table */ |
1806 | void | |
0e9b9eda | 1807 | build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, |
51513558 | 1808 | const char *oem_id, const char *oem_table_id) |
243bdb79 | 1809 | { |
243bdb79 | 1810 | int i; |
4678124b IM |
1811 | unsigned rsdt_entries_offset; |
1812 | AcpiRsdtDescriptorRev1 *rsdt; | |
1813 | const unsigned table_data_len = (sizeof(uint32_t) * table_offsets->len); | |
1814 | const unsigned rsdt_entry_size = sizeof(rsdt->table_offset_entry[0]); | |
1815 | const size_t rsdt_len = sizeof(*rsdt) + table_data_len; | |
243bdb79 | 1816 | |
243bdb79 | 1817 | rsdt = acpi_data_push(table_data, rsdt_len); |
4678124b | 1818 | rsdt_entries_offset = (char *)rsdt->table_offset_entry - table_data->data; |
243bdb79 | 1819 | for (i = 0; i < table_offsets->len; ++i) { |
4678124b IM |
1820 | uint32_t ref_tbl_offset = g_array_index(table_offsets, uint32_t, i); |
1821 | uint32_t rsdt_entry_offset = rsdt_entries_offset + rsdt_entry_size * i; | |
1822 | ||
243bdb79 SZ |
1823 | /* rsdt->table_offset_entry to be filled by Guest linker */ |
1824 | bios_linker_loader_add_pointer(linker, | |
4678124b IM |
1825 | ACPI_BUILD_TABLE_FILE, rsdt_entry_offset, rsdt_entry_size, |
1826 | ACPI_BUILD_TABLE_FILE, ref_tbl_offset); | |
243bdb79 SZ |
1827 | } |
1828 | build_header(linker, table_data, | |
51513558 | 1829 | (void *)rsdt, "RSDT", rsdt_len, 1, oem_id, oem_table_id); |
243bdb79 | 1830 | } |
64b83136 | 1831 | |
cb51ac2f AB |
1832 | /* Build xsdt table */ |
1833 | void | |
1834 | build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, | |
1835 | const char *oem_id, const char *oem_table_id) | |
1836 | { | |
1837 | int i; | |
1838 | unsigned xsdt_entries_offset; | |
1839 | AcpiXsdtDescriptorRev2 *xsdt; | |
1840 | const unsigned table_data_len = (sizeof(uint64_t) * table_offsets->len); | |
1841 | const unsigned xsdt_entry_size = sizeof(xsdt->table_offset_entry[0]); | |
1842 | const size_t xsdt_len = sizeof(*xsdt) + table_data_len; | |
1843 | ||
1844 | xsdt = acpi_data_push(table_data, xsdt_len); | |
1845 | xsdt_entries_offset = (char *)xsdt->table_offset_entry - table_data->data; | |
1846 | for (i = 0; i < table_offsets->len; ++i) { | |
1847 | uint64_t ref_tbl_offset = g_array_index(table_offsets, uint32_t, i); | |
1848 | uint64_t xsdt_entry_offset = xsdt_entries_offset + xsdt_entry_size * i; | |
1849 | ||
1850 | /* xsdt->table_offset_entry to be filled by Guest linker */ | |
1851 | bios_linker_loader_add_pointer(linker, | |
1852 | ACPI_BUILD_TABLE_FILE, xsdt_entry_offset, xsdt_entry_size, | |
1853 | ACPI_BUILD_TABLE_FILE, ref_tbl_offset); | |
1854 | } | |
1855 | build_header(linker, table_data, | |
1856 | (void *)xsdt, "XSDT", xsdt_len, 1, oem_id, oem_table_id); | |
1857 | } | |
1858 | ||
64b83136 SZ |
1859 | void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, |
1860 | uint64_t len, int node, MemoryAffinityFlags flags) | |
1861 | { | |
1862 | numamem->type = ACPI_SRAT_MEMORY; | |
1863 | numamem->length = sizeof(*numamem); | |
1864 | numamem->proximity = cpu_to_le32(node); | |
1865 | numamem->flags = cpu_to_le32(flags); | |
1866 | numamem->base_addr = cpu_to_le64(base); | |
1867 | numamem->range_length = cpu_to_le64(len); | |
1868 | } | |
0f203430 HC |
1869 | |
1870 | /* | |
1871 | * ACPI spec 5.2.17 System Locality Distance Information Table | |
1872 | * (Revision 2.0 or later) | |
1873 | */ | |
aa570207 | 1874 | void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms) |
0f203430 HC |
1875 | { |
1876 | int slit_start, i, j; | |
1877 | slit_start = table_data->len; | |
aa570207 | 1878 | int nb_numa_nodes = ms->numa_state->num_nodes; |
0f203430 HC |
1879 | |
1880 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
1881 | ||
1882 | build_append_int_noprefix(table_data, nb_numa_nodes, 8); | |
1883 | for (i = 0; i < nb_numa_nodes; i++) { | |
1884 | for (j = 0; j < nb_numa_nodes; j++) { | |
7e721e7b TX |
1885 | assert(ms->numa_state->nodes[i].distance[j]); |
1886 | build_append_int_noprefix(table_data, | |
1887 | ms->numa_state->nodes[i].distance[j], | |
1888 | 1); | |
0f203430 HC |
1889 | } |
1890 | } | |
1891 | ||
1892 | build_header(linker, table_data, | |
1893 | (void *)(table_data->data + slit_start), | |
1894 | "SLIT", | |
1895 | table_data->len - slit_start, 1, NULL, NULL); | |
1896 | } | |
8612f8bd | 1897 | |
dd1b2037 | 1898 | /* build rev1/rev3/rev5.1 FADT */ |
8612f8bd IM |
1899 | void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, |
1900 | const char *oem_id, const char *oem_table_id) | |
1901 | { | |
1902 | int off; | |
1903 | int fadt_start = tbl->len; | |
1904 | ||
1905 | acpi_data_push(tbl, sizeof(AcpiTableHeader)); | |
1906 | ||
1907 | /* FACS address to be filled by Guest linker at runtime */ | |
1908 | off = tbl->len; | |
1909 | build_append_int_noprefix(tbl, 0, 4); /* FIRMWARE_CTRL */ | |
1910 | if (f->facs_tbl_offset) { /* don't patch if not supported by platform */ | |
1911 | bios_linker_loader_add_pointer(linker, | |
1912 | ACPI_BUILD_TABLE_FILE, off, 4, | |
1913 | ACPI_BUILD_TABLE_FILE, *f->facs_tbl_offset); | |
1914 | } | |
1915 | ||
1916 | /* DSDT address to be filled by Guest linker at runtime */ | |
1917 | off = tbl->len; | |
1918 | build_append_int_noprefix(tbl, 0, 4); /* DSDT */ | |
1919 | if (f->dsdt_tbl_offset) { /* don't patch if not supported by platform */ | |
1920 | bios_linker_loader_add_pointer(linker, | |
1921 | ACPI_BUILD_TABLE_FILE, off, 4, | |
1922 | ACPI_BUILD_TABLE_FILE, *f->dsdt_tbl_offset); | |
1923 | } | |
1924 | ||
1925 | /* ACPI1.0: INT_MODEL, ACPI2.0+: Reserved */ | |
1926 | build_append_int_noprefix(tbl, f->int_model /* Multiple APIC */, 1); | |
1927 | /* Preferred_PM_Profile */ | |
1928 | build_append_int_noprefix(tbl, 0 /* Unspecified */, 1); | |
1929 | build_append_int_noprefix(tbl, f->sci_int, 2); /* SCI_INT */ | |
1930 | build_append_int_noprefix(tbl, f->smi_cmd, 4); /* SMI_CMD */ | |
1931 | build_append_int_noprefix(tbl, f->acpi_enable_cmd, 1); /* ACPI_ENABLE */ | |
1932 | build_append_int_noprefix(tbl, f->acpi_disable_cmd, 1); /* ACPI_DISABLE */ | |
1933 | build_append_int_noprefix(tbl, 0 /* not supported */, 1); /* S4BIOS_REQ */ | |
1934 | /* ACPI1.0: Reserved, ACPI2.0+: PSTATE_CNT */ | |
1935 | build_append_int_noprefix(tbl, 0, 1); | |
1936 | build_append_int_noprefix(tbl, f->pm1a_evt.address, 4); /* PM1a_EVT_BLK */ | |
1937 | build_append_int_noprefix(tbl, 0, 4); /* PM1b_EVT_BLK */ | |
1938 | build_append_int_noprefix(tbl, f->pm1a_cnt.address, 4); /* PM1a_CNT_BLK */ | |
1939 | build_append_int_noprefix(tbl, 0, 4); /* PM1b_CNT_BLK */ | |
1940 | build_append_int_noprefix(tbl, 0, 4); /* PM2_CNT_BLK */ | |
1941 | build_append_int_noprefix(tbl, f->pm_tmr.address, 4); /* PM_TMR_BLK */ | |
1942 | build_append_int_noprefix(tbl, f->gpe0_blk.address, 4); /* GPE0_BLK */ | |
1943 | build_append_int_noprefix(tbl, 0, 4); /* GPE1_BLK */ | |
1944 | /* PM1_EVT_LEN */ | |
1945 | build_append_int_noprefix(tbl, f->pm1a_evt.bit_width / 8, 1); | |
1946 | /* PM1_CNT_LEN */ | |
1947 | build_append_int_noprefix(tbl, f->pm1a_cnt.bit_width / 8, 1); | |
1948 | build_append_int_noprefix(tbl, 0, 1); /* PM2_CNT_LEN */ | |
1949 | build_append_int_noprefix(tbl, f->pm_tmr.bit_width / 8, 1); /* PM_TMR_LEN */ | |
1950 | /* GPE0_BLK_LEN */ | |
1951 | build_append_int_noprefix(tbl, f->gpe0_blk.bit_width / 8, 1); | |
1952 | build_append_int_noprefix(tbl, 0, 1); /* GPE1_BLK_LEN */ | |
1953 | build_append_int_noprefix(tbl, 0, 1); /* GPE1_BASE */ | |
1954 | build_append_int_noprefix(tbl, 0, 1); /* CST_CNT */ | |
1955 | build_append_int_noprefix(tbl, f->plvl2_lat, 2); /* P_LVL2_LAT */ | |
1956 | build_append_int_noprefix(tbl, f->plvl3_lat, 2); /* P_LVL3_LAT */ | |
1957 | build_append_int_noprefix(tbl, 0, 2); /* FLUSH_SIZE */ | |
1958 | build_append_int_noprefix(tbl, 0, 2); /* FLUSH_STRIDE */ | |
1959 | build_append_int_noprefix(tbl, 0, 1); /* DUTY_OFFSET */ | |
1960 | build_append_int_noprefix(tbl, 0, 1); /* DUTY_WIDTH */ | |
1961 | build_append_int_noprefix(tbl, 0, 1); /* DAY_ALRM */ | |
1962 | build_append_int_noprefix(tbl, 0, 1); /* MON_ALRM */ | |
1963 | build_append_int_noprefix(tbl, f->rtc_century, 1); /* CENTURY */ | |
1964 | build_append_int_noprefix(tbl, 0, 2); /* IAPC_BOOT_ARCH */ | |
1965 | build_append_int_noprefix(tbl, 0, 1); /* Reserved */ | |
1966 | build_append_int_noprefix(tbl, f->flags, 4); /* Flags */ | |
1967 | ||
1968 | if (f->rev == 1) { | |
1969 | goto build_hdr; | |
1970 | } | |
1971 | ||
1972 | build_append_gas_from_struct(tbl, &f->reset_reg); /* RESET_REG */ | |
1973 | build_append_int_noprefix(tbl, f->reset_val, 1); /* RESET_VALUE */ | |
dd1b2037 IM |
1974 | /* Since ACPI 5.1 */ |
1975 | if ((f->rev >= 6) || ((f->rev == 5) && f->minor_ver > 0)) { | |
1976 | build_append_int_noprefix(tbl, f->arm_boot_arch, 2); /* ARM_BOOT_ARCH */ | |
1977 | /* FADT Minor Version */ | |
1978 | build_append_int_noprefix(tbl, f->minor_ver, 1); | |
1979 | } else { | |
1980 | build_append_int_noprefix(tbl, 0, 3); /* Reserved upto ACPI 5.0 */ | |
1981 | } | |
8612f8bd IM |
1982 | build_append_int_noprefix(tbl, 0, 8); /* X_FIRMWARE_CTRL */ |
1983 | ||
1984 | /* XDSDT address to be filled by Guest linker at runtime */ | |
1985 | off = tbl->len; | |
1986 | build_append_int_noprefix(tbl, 0, 8); /* X_DSDT */ | |
1987 | if (f->xdsdt_tbl_offset) { | |
1988 | bios_linker_loader_add_pointer(linker, | |
1989 | ACPI_BUILD_TABLE_FILE, off, 8, | |
1990 | ACPI_BUILD_TABLE_FILE, *f->xdsdt_tbl_offset); | |
1991 | } | |
1992 | ||
1993 | build_append_gas_from_struct(tbl, &f->pm1a_evt); /* X_PM1a_EVT_BLK */ | |
1994 | /* X_PM1b_EVT_BLK */ | |
1995 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
1996 | build_append_gas_from_struct(tbl, &f->pm1a_cnt); /* X_PM1a_CNT_BLK */ | |
1997 | /* X_PM1b_CNT_BLK */ | |
1998 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
1999 | /* X_PM2_CNT_BLK */ | |
2000 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
2001 | build_append_gas_from_struct(tbl, &f->pm_tmr); /* X_PM_TMR_BLK */ | |
2002 | build_append_gas_from_struct(tbl, &f->gpe0_blk); /* X_GPE0_BLK */ | |
2003 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); /* X_GPE1_BLK */ | |
2004 | ||
dd1b2037 IM |
2005 | if (f->rev <= 4) { |
2006 | goto build_hdr; | |
2007 | } | |
2008 | ||
2009 | /* SLEEP_CONTROL_REG */ | |
c8ed8f57 | 2010 | build_append_gas_from_struct(tbl, &f->sleep_ctl); |
dd1b2037 | 2011 | /* SLEEP_STATUS_REG */ |
c8ed8f57 | 2012 | build_append_gas_from_struct(tbl, &f->sleep_sts); |
dd1b2037 IM |
2013 | |
2014 | /* TODO: extra fields need to be added to support revisions above rev5 */ | |
2015 | assert(f->rev == 5); | |
2016 | ||
8612f8bd IM |
2017 | build_hdr: |
2018 | build_header(linker, tbl, (void *)(tbl->data + fadt_start), | |
2019 | "FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id); | |
2020 | } | |
ef48a8ce | 2021 | |
e27e1e63 EA |
2022 | /* |
2023 | * build_tpm2 - Build the TPM2 table as specified in | |
2024 | * table 7: TCG Hardware Interface Description Table Format for TPM 2.0 | |
2025 | * of TCG ACPI Specification, Family “1.2” and “2.0”, Version 1.2, Rev 8 | |
2026 | */ | |
43384160 EA |
2027 | void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) |
2028 | { | |
43384160 | 2029 | uint8_t start_method_params[12] = {}; |
e27e1e63 EA |
2030 | unsigned log_addr_offset, tpm2_start; |
2031 | uint64_t control_area_start_address; | |
80bde693 | 2032 | TPMIf *tpmif = tpm_find(); |
e27e1e63 EA |
2033 | uint32_t start_method; |
2034 | void *tpm2_ptr; | |
2035 | ||
2036 | tpm2_start = table_data->len; | |
2037 | tpm2_ptr = acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
43384160 | 2038 | |
e27e1e63 | 2039 | /* Platform Class */ |
43384160 | 2040 | build_append_int_noprefix(table_data, TPM2_ACPI_CLASS_CLIENT, 2); |
e27e1e63 | 2041 | /* Reserved */ |
43384160 | 2042 | build_append_int_noprefix(table_data, 0, 2); |
80bde693 | 2043 | if (TPM_IS_TIS_ISA(tpmif) || TPM_IS_TIS_SYSBUS(tpmif)) { |
e27e1e63 EA |
2044 | control_area_start_address = 0; |
2045 | start_method = TPM2_START_METHOD_MMIO; | |
80bde693 | 2046 | } else if (TPM_IS_CRB(tpmif)) { |
e27e1e63 EA |
2047 | control_area_start_address = TPM_CRB_ADDR_CTRL; |
2048 | start_method = TPM2_START_METHOD_CRB; | |
43384160 | 2049 | } else { |
e27e1e63 | 2050 | g_assert_not_reached(); |
43384160 | 2051 | } |
e27e1e63 EA |
2052 | /* Address of Control Area */ |
2053 | build_append_int_noprefix(table_data, control_area_start_address, 8); | |
2054 | /* Start Method */ | |
2055 | build_append_int_noprefix(table_data, start_method, 4); | |
43384160 | 2056 | |
e27e1e63 EA |
2057 | /* Platform Specific Parameters */ |
2058 | g_array_append_vals(table_data, &start_method_params, | |
2059 | ARRAY_SIZE(start_method_params)); | |
43384160 | 2060 | |
e27e1e63 | 2061 | /* Log Area Minimum Length */ |
43384160 EA |
2062 | build_append_int_noprefix(table_data, TPM_LOG_AREA_MINIMUM_SIZE, 4); |
2063 | ||
2064 | acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); | |
2065 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, | |
2066 | false); | |
2067 | ||
e27e1e63 EA |
2068 | log_addr_offset = table_data->len; |
2069 | ||
2070 | /* Log Area Start Address to be filled by Guest linker */ | |
43384160 EA |
2071 | build_append_int_noprefix(table_data, 0, 8); |
2072 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
e27e1e63 | 2073 | log_addr_offset, 8, |
43384160 EA |
2074 | ACPI_BUILD_TPMLOG_FILE, 0); |
2075 | build_header(linker, table_data, | |
e27e1e63 | 2076 | tpm2_ptr, "TPM2", table_data->len - tpm2_start, 4, NULL, NULL); |
43384160 EA |
2077 | } |
2078 | ||
37d5c0a8 YM |
2079 | Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set) |
2080 | { | |
2081 | Aml *crs = aml_resource_template(); | |
2082 | CrsRangeSet temp_range_set; | |
2083 | CrsRangeEntry *entry; | |
2084 | uint8_t max_bus = pci_bus_num(host->bus); | |
2085 | uint8_t type; | |
2086 | int devfn; | |
2087 | int i; | |
2088 | ||
2089 | crs_range_set_init(&temp_range_set); | |
2090 | for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) { | |
2091 | uint64_t range_base, range_limit; | |
2092 | PCIDevice *dev = host->bus->devices[devfn]; | |
2093 | ||
2094 | if (!dev) { | |
2095 | continue; | |
2096 | } | |
2097 | ||
2098 | for (i = 0; i < PCI_NUM_REGIONS; i++) { | |
2099 | PCIIORegion *r = &dev->io_regions[i]; | |
2100 | ||
2101 | range_base = r->addr; | |
2102 | range_limit = r->addr + r->size - 1; | |
2103 | ||
2104 | /* | |
2105 | * Work-around for old bioses | |
2106 | * that do not support multiple root buses | |
2107 | */ | |
2108 | if (!range_base || range_base > range_limit) { | |
2109 | continue; | |
2110 | } | |
2111 | ||
2112 | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { | |
2113 | crs_range_insert(temp_range_set.io_ranges, | |
2114 | range_base, range_limit); | |
2115 | } else { /* "memory" */ | |
2116 | uint64_t length = range_limit - range_base + 1; | |
2117 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2118 | crs_range_insert(temp_range_set.mem_ranges, range_base, | |
2119 | range_limit); | |
2120 | } else { | |
2121 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2122 | range_base, range_limit); | |
2123 | } | |
2124 | } | |
2125 | } | |
2126 | ||
2127 | type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; | |
2128 | if (type == PCI_HEADER_TYPE_BRIDGE) { | |
2129 | uint8_t subordinate = dev->config[PCI_SUBORDINATE_BUS]; | |
2130 | if (subordinate > max_bus) { | |
2131 | max_bus = subordinate; | |
2132 | } | |
2133 | ||
2134 | range_base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
2135 | range_limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
2136 | ||
2137 | /* | |
2138 | * Work-around for old bioses | |
2139 | * that do not support multiple root buses | |
2140 | */ | |
2141 | if (range_base && range_base <= range_limit) { | |
2142 | crs_range_insert(temp_range_set.io_ranges, | |
2143 | range_base, range_limit); | |
2144 | } | |
2145 | ||
2146 | range_base = | |
2147 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
2148 | range_limit = | |
2149 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
2150 | ||
2151 | /* | |
2152 | * Work-around for old bioses | |
2153 | * that do not support multiple root buses | |
2154 | */ | |
2155 | if (range_base && range_base <= range_limit) { | |
2156 | uint64_t length = range_limit - range_base + 1; | |
2157 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2158 | crs_range_insert(temp_range_set.mem_ranges, | |
2159 | range_base, range_limit); | |
2160 | } else { | |
2161 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2162 | range_base, range_limit); | |
2163 | } | |
2164 | } | |
2165 | ||
2166 | range_base = | |
2167 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
2168 | range_limit = | |
2169 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
2170 | ||
2171 | /* | |
2172 | * Work-around for old bioses | |
2173 | * that do not support multiple root buses | |
2174 | */ | |
2175 | if (range_base && range_base <= range_limit) { | |
2176 | uint64_t length = range_limit - range_base + 1; | |
2177 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2178 | crs_range_insert(temp_range_set.mem_ranges, | |
2179 | range_base, range_limit); | |
2180 | } else { | |
2181 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2182 | range_base, range_limit); | |
2183 | } | |
2184 | } | |
2185 | } | |
2186 | } | |
2187 | ||
2188 | crs_range_merge(temp_range_set.io_ranges); | |
2189 | for (i = 0; i < temp_range_set.io_ranges->len; i++) { | |
2190 | entry = g_ptr_array_index(temp_range_set.io_ranges, i); | |
2191 | aml_append(crs, | |
2192 | aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, | |
2193 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
2194 | 0, entry->base, entry->limit, 0, | |
2195 | entry->limit - entry->base + 1)); | |
2196 | crs_range_insert(range_set->io_ranges, entry->base, entry->limit); | |
2197 | } | |
2198 | ||
2199 | crs_range_merge(temp_range_set.mem_ranges); | |
2200 | for (i = 0; i < temp_range_set.mem_ranges->len; i++) { | |
2201 | entry = g_ptr_array_index(temp_range_set.mem_ranges, i); | |
2202 | assert(entry->limit <= UINT32_MAX && | |
2203 | (entry->limit - entry->base + 1) <= UINT32_MAX); | |
2204 | aml_append(crs, | |
2205 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
2206 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
2207 | AML_READ_WRITE, | |
2208 | 0, entry->base, entry->limit, 0, | |
2209 | entry->limit - entry->base + 1)); | |
2210 | crs_range_insert(range_set->mem_ranges, entry->base, entry->limit); | |
2211 | } | |
2212 | ||
2213 | crs_range_merge(temp_range_set.mem_64bit_ranges); | |
2214 | for (i = 0; i < temp_range_set.mem_64bit_ranges->len; i++) { | |
2215 | entry = g_ptr_array_index(temp_range_set.mem_64bit_ranges, i); | |
2216 | aml_append(crs, | |
2217 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
2218 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
2219 | AML_READ_WRITE, | |
2220 | 0, entry->base, entry->limit, 0, | |
2221 | entry->limit - entry->base + 1)); | |
2222 | crs_range_insert(range_set->mem_64bit_ranges, | |
2223 | entry->base, entry->limit); | |
2224 | } | |
2225 | ||
2226 | crs_range_set_free(&temp_range_set); | |
2227 | ||
2228 | aml_append(crs, | |
2229 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, | |
2230 | 0, | |
2231 | pci_bus_num(host->bus), | |
2232 | max_bus, | |
2233 | 0, | |
2234 | max_bus - pci_bus_num(host->bus) + 1)); | |
2235 | ||
2236 | return crs; | |
2237 | } | |
2238 | ||
ef48a8ce CM |
2239 | /* ACPI 5.0: 6.4.3.8.2 Serial Bus Connection Descriptors */ |
2240 | static Aml *aml_serial_bus_device(uint8_t serial_bus_type, uint8_t flags, | |
2241 | uint16_t type_flags, | |
2242 | uint8_t revid, uint16_t data_length, | |
2243 | uint16_t resource_source_len) | |
2244 | { | |
2245 | Aml *var = aml_alloc(); | |
2246 | uint16_t length = data_length + resource_source_len + 9; | |
2247 | ||
2248 | build_append_byte(var->buf, 0x8e); /* Serial Bus Connection Descriptor */ | |
2249 | build_append_int_noprefix(var->buf, length, sizeof(length)); | |
2250 | build_append_byte(var->buf, 1); /* Revision ID */ | |
2251 | build_append_byte(var->buf, 0); /* Resource Source Index */ | |
2252 | build_append_byte(var->buf, serial_bus_type); /* Serial Bus Type */ | |
2253 | build_append_byte(var->buf, flags); /* General Flags */ | |
2254 | build_append_int_noprefix(var->buf, type_flags, /* Type Specific Flags */ | |
2255 | sizeof(type_flags)); | |
2256 | build_append_byte(var->buf, revid); /* Type Specification Revision ID */ | |
2257 | build_append_int_noprefix(var->buf, data_length, sizeof(data_length)); | |
2258 | ||
2259 | return var; | |
2260 | } | |
2261 | ||
2262 | /* ACPI 5.0: 6.4.3.8.2.1 I2C Serial Bus Connection Resource Descriptor */ | |
2263 | Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source) | |
2264 | { | |
2265 | uint16_t resource_source_len = strlen(resource_source) + 1; | |
2266 | Aml *var = aml_serial_bus_device(AML_SERIAL_BUS_TYPE_I2C, 0, 0, 1, | |
2267 | 6, resource_source_len); | |
2268 | ||
2269 | /* Connection Speed. Just set to 100K for now, it doesn't really matter. */ | |
2270 | build_append_int_noprefix(var->buf, 100000, 4); | |
2271 | build_append_int_noprefix(var->buf, address, sizeof(address)); | |
2272 | ||
2273 | /* This is a string, not a name, so just copy it directly in. */ | |
2274 | g_array_append_vals(var->buf, resource_source, resource_source_len); | |
2275 | ||
2276 | return var; | |
2277 | } |