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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" | |
602b4582 | 33 | #include "qemu/cutils.h" |
19934e0e | 34 | |
af59b35c | 35 | static GArray *build_alloc_array(void) |
19934e0e IM |
36 | { |
37 | return g_array_new(false, true /* clear */, 1); | |
38 | } | |
39 | ||
af59b35c | 40 | static void build_free_array(GArray *array) |
19934e0e IM |
41 | { |
42 | g_array_free(array, true); | |
43 | } | |
44 | ||
af59b35c | 45 | static void build_prepend_byte(GArray *array, uint8_t val) |
19934e0e IM |
46 | { |
47 | g_array_prepend_val(array, val); | |
48 | } | |
49 | ||
af59b35c | 50 | static void build_append_byte(GArray *array, uint8_t val) |
19934e0e IM |
51 | { |
52 | g_array_append_val(array, val); | |
53 | } | |
54 | ||
af59b35c | 55 | static void build_append_array(GArray *array, GArray *val) |
19934e0e IM |
56 | { |
57 | g_array_append_vals(array, val->data, val->len); | |
58 | } | |
59 | ||
60 | #define ACPI_NAMESEG_LEN 4 | |
61 | ||
37d5c0a8 YM |
62 | void crs_range_insert(GPtrArray *ranges, uint64_t base, uint64_t limit) |
63 | { | |
64 | CrsRangeEntry *entry; | |
65 | ||
66 | entry = g_malloc(sizeof(*entry)); | |
67 | entry->base = base; | |
68 | entry->limit = limit; | |
69 | ||
70 | g_ptr_array_add(ranges, entry); | |
71 | } | |
72 | ||
73 | static void crs_range_free(gpointer data) | |
74 | { | |
75 | CrsRangeEntry *entry = (CrsRangeEntry *)data; | |
76 | g_free(entry); | |
77 | } | |
78 | ||
79 | void crs_range_set_init(CrsRangeSet *range_set) | |
80 | { | |
81 | range_set->io_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
82 | range_set->mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); | |
83 | range_set->mem_64bit_ranges = | |
84 | g_ptr_array_new_with_free_func(crs_range_free); | |
85 | } | |
86 | ||
87 | void crs_range_set_free(CrsRangeSet *range_set) | |
88 | { | |
89 | g_ptr_array_free(range_set->io_ranges, true); | |
90 | g_ptr_array_free(range_set->mem_ranges, true); | |
91 | g_ptr_array_free(range_set->mem_64bit_ranges, true); | |
92 | } | |
93 | ||
94 | static gint crs_range_compare(gconstpointer a, gconstpointer b) | |
95 | { | |
96 | CrsRangeEntry *entry_a = *(CrsRangeEntry **)a; | |
97 | CrsRangeEntry *entry_b = *(CrsRangeEntry **)b; | |
98 | ||
99 | if (entry_a->base < entry_b->base) { | |
100 | return -1; | |
101 | } else if (entry_a->base > entry_b->base) { | |
102 | return 1; | |
103 | } else { | |
104 | return 0; | |
105 | } | |
106 | } | |
107 | ||
108 | /* | |
109 | * crs_replace_with_free_ranges - given the 'used' ranges within [start - end] | |
110 | * interval, computes the 'free' ranges from the same interval. | |
111 | * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function | |
112 | * will return { [base - a1], [a2 - b1], [b2 - limit] }. | |
113 | */ | |
114 | void crs_replace_with_free_ranges(GPtrArray *ranges, | |
115 | uint64_t start, uint64_t end) | |
116 | { | |
117 | GPtrArray *free_ranges = g_ptr_array_new(); | |
118 | uint64_t free_base = start; | |
119 | int i; | |
120 | ||
121 | g_ptr_array_sort(ranges, crs_range_compare); | |
122 | for (i = 0; i < ranges->len; i++) { | |
123 | CrsRangeEntry *used = g_ptr_array_index(ranges, i); | |
124 | ||
125 | if (free_base < used->base) { | |
126 | crs_range_insert(free_ranges, free_base, used->base - 1); | |
127 | } | |
128 | ||
129 | free_base = used->limit + 1; | |
130 | } | |
131 | ||
132 | if (free_base < end) { | |
133 | crs_range_insert(free_ranges, free_base, end); | |
134 | } | |
135 | ||
136 | g_ptr_array_set_size(ranges, 0); | |
137 | for (i = 0; i < free_ranges->len; i++) { | |
138 | g_ptr_array_add(ranges, g_ptr_array_index(free_ranges, i)); | |
139 | } | |
140 | ||
141 | g_ptr_array_free(free_ranges, true); | |
142 | } | |
143 | ||
144 | /* | |
145 | * crs_range_merge - merges adjacent ranges in the given array. | |
146 | * Array elements are deleted and replaced with the merged ranges. | |
147 | */ | |
148 | static void crs_range_merge(GPtrArray *range) | |
149 | { | |
150 | GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free); | |
151 | CrsRangeEntry *entry; | |
152 | uint64_t range_base, range_limit; | |
153 | int i; | |
154 | ||
155 | if (!range->len) { | |
156 | return; | |
157 | } | |
158 | ||
159 | g_ptr_array_sort(range, crs_range_compare); | |
160 | ||
161 | entry = g_ptr_array_index(range, 0); | |
162 | range_base = entry->base; | |
163 | range_limit = entry->limit; | |
164 | for (i = 1; i < range->len; i++) { | |
165 | entry = g_ptr_array_index(range, i); | |
166 | if (entry->base - 1 == range_limit) { | |
167 | range_limit = entry->limit; | |
168 | } else { | |
169 | crs_range_insert(tmp, range_base, range_limit); | |
170 | range_base = entry->base; | |
171 | range_limit = entry->limit; | |
172 | } | |
173 | } | |
174 | crs_range_insert(tmp, range_base, range_limit); | |
175 | ||
176 | g_ptr_array_set_size(range, 0); | |
177 | for (i = 0; i < tmp->len; i++) { | |
178 | entry = g_ptr_array_index(tmp, i); | |
179 | crs_range_insert(range, entry->base, entry->limit); | |
180 | } | |
181 | g_ptr_array_free(tmp, true); | |
182 | } | |
183 | ||
eae8bded IM |
184 | static void |
185 | build_append_nameseg(GArray *array, const char *seg) | |
19934e0e | 186 | { |
19934e0e | 187 | int len; |
19934e0e | 188 | |
eae8bded | 189 | len = strlen(seg); |
19934e0e IM |
190 | assert(len <= ACPI_NAMESEG_LEN); |
191 | ||
eae8bded | 192 | g_array_append_vals(array, seg, len); |
19934e0e IM |
193 | /* Pad up to ACPI_NAMESEG_LEN characters if necessary. */ |
194 | g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len); | |
195 | } | |
196 | ||
c167e2e7 | 197 | static void GCC_FMT_ATTR(2, 0) |
eae8bded IM |
198 | build_append_namestringv(GArray *array, const char *format, va_list ap) |
199 | { | |
eae8bded | 200 | char *s; |
eae8bded IM |
201 | char **segs; |
202 | char **segs_iter; | |
203 | int seg_count = 0; | |
204 | ||
c3bdc56c | 205 | s = g_strdup_vprintf(format, ap); |
eae8bded IM |
206 | segs = g_strsplit(s, ".", 0); |
207 | g_free(s); | |
208 | ||
209 | /* count segments */ | |
210 | segs_iter = segs; | |
211 | while (*segs_iter) { | |
212 | ++segs_iter; | |
213 | ++seg_count; | |
214 | } | |
215 | /* | |
216 | * ACPI 5.0 spec: 20.2.2 Name Objects Encoding: | |
217 | * "SegCount can be from 1 to 255" | |
218 | */ | |
219 | assert(seg_count > 0 && seg_count <= 255); | |
220 | ||
221 | /* handle RootPath || PrefixPath */ | |
222 | s = *segs; | |
223 | while (*s == '\\' || *s == '^') { | |
224 | build_append_byte(array, *s); | |
225 | ++s; | |
226 | } | |
227 | ||
228 | switch (seg_count) { | |
229 | case 1: | |
230 | if (!*s) { | |
aea10cde | 231 | build_append_byte(array, 0x00); /* NullName */ |
eae8bded IM |
232 | } else { |
233 | build_append_nameseg(array, s); | |
234 | } | |
235 | break; | |
236 | ||
237 | case 2: | |
238 | build_append_byte(array, 0x2E); /* DualNamePrefix */ | |
239 | build_append_nameseg(array, s); | |
240 | build_append_nameseg(array, segs[1]); | |
241 | break; | |
242 | default: | |
243 | build_append_byte(array, 0x2F); /* MultiNamePrefix */ | |
244 | build_append_byte(array, seg_count); | |
245 | ||
246 | /* handle the 1st segment manually due to prefix/root path */ | |
247 | build_append_nameseg(array, s); | |
248 | ||
249 | /* add the rest of segments */ | |
250 | segs_iter = segs + 1; | |
251 | while (*segs_iter) { | |
252 | build_append_nameseg(array, *segs_iter); | |
253 | ++segs_iter; | |
254 | } | |
255 | break; | |
256 | } | |
257 | g_strfreev(segs); | |
258 | } | |
259 | ||
79272661 | 260 | GCC_FMT_ATTR(2, 3) |
af59b35c | 261 | static void build_append_namestring(GArray *array, const char *format, ...) |
eae8bded IM |
262 | { |
263 | va_list ap; | |
264 | ||
265 | va_start(ap, format); | |
266 | build_append_namestringv(array, format, ap); | |
267 | va_end(ap); | |
268 | } | |
269 | ||
19934e0e IM |
270 | /* 5.4 Definition Block Encoding */ |
271 | enum { | |
272 | PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */ | |
273 | PACKAGE_LENGTH_2BYTE_SHIFT = 4, | |
274 | PACKAGE_LENGTH_3BYTE_SHIFT = 12, | |
275 | PACKAGE_LENGTH_4BYTE_SHIFT = 20, | |
276 | }; | |
277 | ||
af59b35c | 278 | static void |
19fff2d4 | 279 | build_prepend_package_length(GArray *package, unsigned length, bool incl_self) |
19934e0e IM |
280 | { |
281 | uint8_t byte; | |
19934e0e IM |
282 | unsigned length_bytes; |
283 | ||
284 | if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) { | |
285 | length_bytes = 1; | |
286 | } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) { | |
287 | length_bytes = 2; | |
288 | } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) { | |
289 | length_bytes = 3; | |
290 | } else { | |
291 | length_bytes = 4; | |
292 | } | |
293 | ||
19fff2d4 IM |
294 | /* |
295 | * NamedField uses PkgLength encoding but it doesn't include length | |
296 | * of PkgLength itself. | |
297 | */ | |
298 | if (incl_self) { | |
299 | /* | |
300 | * PkgLength is the length of the inclusive length of the data | |
301 | * and PkgLength's length itself when used for terms with | |
302 | * explitit length. | |
303 | */ | |
304 | length += length_bytes; | |
305 | } | |
19934e0e IM |
306 | |
307 | switch (length_bytes) { | |
308 | case 1: | |
309 | byte = length; | |
310 | build_prepend_byte(package, byte); | |
311 | return; | |
312 | case 4: | |
313 | byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT; | |
314 | build_prepend_byte(package, byte); | |
315 | length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1; | |
316 | /* fall through */ | |
317 | case 3: | |
318 | byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT; | |
319 | build_prepend_byte(package, byte); | |
320 | length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1; | |
321 | /* fall through */ | |
322 | case 2: | |
323 | byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT; | |
324 | build_prepend_byte(package, byte); | |
325 | length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1; | |
326 | /* fall through */ | |
327 | } | |
328 | /* | |
329 | * Most significant two bits of byte zero indicate how many following bytes | |
330 | * are in PkgLength encoding. | |
331 | */ | |
332 | byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length; | |
333 | build_prepend_byte(package, byte); | |
334 | } | |
335 | ||
214ae59f IM |
336 | static void |
337 | build_append_pkg_length(GArray *array, unsigned length, bool incl_self) | |
338 | { | |
339 | GArray *tmp = build_alloc_array(); | |
340 | ||
341 | build_prepend_package_length(tmp, length, incl_self); | |
342 | build_append_array(array, tmp); | |
343 | build_free_array(tmp); | |
344 | } | |
345 | ||
af59b35c | 346 | static void build_package(GArray *package, uint8_t op) |
19934e0e | 347 | { |
19fff2d4 | 348 | build_prepend_package_length(package, package->len, true); |
19934e0e IM |
349 | build_prepend_byte(package, op); |
350 | } | |
351 | ||
af59b35c | 352 | static void build_extop_package(GArray *package, uint8_t op) |
19934e0e | 353 | { |
661875e9 | 354 | build_package(package, op); |
19934e0e IM |
355 | build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ |
356 | } | |
357 | ||
fb9f5926 | 358 | void build_append_int_noprefix(GArray *table, uint64_t value, int size) |
19934e0e | 359 | { |
19934e0e IM |
360 | int i; |
361 | ||
19934e0e IM |
362 | for (i = 0; i < size; ++i) { |
363 | build_append_byte(table, value & 0xFF); | |
364 | value = value >> 8; | |
365 | } | |
366 | } | |
367 | ||
af59b35c | 368 | static void build_append_int(GArray *table, uint64_t value) |
19934e0e IM |
369 | { |
370 | if (value == 0x00) { | |
371 | build_append_byte(table, 0x00); /* ZeroOp */ | |
372 | } else if (value == 0x01) { | |
373 | build_append_byte(table, 0x01); /* OneOp */ | |
374 | } else if (value <= 0xFF) { | |
295a515d IM |
375 | build_append_byte(table, 0x0A); /* BytePrefix */ |
376 | build_append_int_noprefix(table, value, 1); | |
19934e0e | 377 | } else if (value <= 0xFFFF) { |
295a515d IM |
378 | build_append_byte(table, 0x0B); /* WordPrefix */ |
379 | build_append_int_noprefix(table, value, 2); | |
380 | } else if (value <= 0xFFFFFFFF) { | |
381 | build_append_byte(table, 0x0C); /* DWordPrefix */ | |
382 | build_append_int_noprefix(table, value, 4); | |
19934e0e | 383 | } else { |
295a515d IM |
384 | build_append_byte(table, 0x0E); /* QWordPrefix */ |
385 | build_append_int_noprefix(table, value, 8); | |
19934e0e IM |
386 | } |
387 | } | |
0f2707e4 | 388 | |
d0384d90 IM |
389 | /* Generic Address Structure (GAS) |
390 | * ACPI 2.0/3.0: 5.2.3.1 Generic Address Structure | |
391 | * 2.0 compat note: | |
392 | * @access_width must be 0, see ACPI 2.0:Table 5-1 | |
393 | */ | |
394 | void build_append_gas(GArray *table, AmlAddressSpace as, | |
395 | uint8_t bit_width, uint8_t bit_offset, | |
396 | uint8_t access_width, uint64_t address) | |
397 | { | |
398 | build_append_int_noprefix(table, as, 1); | |
399 | build_append_int_noprefix(table, bit_width, 1); | |
400 | build_append_int_noprefix(table, bit_offset, 1); | |
401 | build_append_int_noprefix(table, access_width, 1); | |
402 | build_append_int_noprefix(table, address, 8); | |
403 | } | |
404 | ||
f2035491 MT |
405 | /* |
406 | * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword, | |
407 | * and return the offset to 0x00000000 for runtime patching. | |
408 | * | |
409 | * Warning: runtime patching is best avoided. Only use this as | |
410 | * a replacement for DataTableRegion (for guests that don't | |
411 | * support it). | |
412 | */ | |
413 | int | |
414 | build_append_named_dword(GArray *array, const char *name_format, ...) | |
415 | { | |
416 | int offset; | |
417 | va_list ap; | |
418 | ||
419 | build_append_byte(array, 0x08); /* NameOp */ | |
420 | va_start(ap, name_format); | |
421 | build_append_namestringv(array, name_format, ap); | |
422 | va_end(ap); | |
423 | ||
424 | build_append_byte(array, 0x0C); /* DWordPrefix */ | |
425 | ||
426 | offset = array->len; | |
427 | build_append_int_noprefix(array, 0x00000000, 4); | |
428 | assert(array->len == offset + 4); | |
429 | ||
430 | return offset; | |
431 | } | |
432 | ||
0f2707e4 IM |
433 | static GPtrArray *alloc_list; |
434 | ||
435 | static Aml *aml_alloc(void) | |
436 | { | |
437 | Aml *var = g_new0(typeof(*var), 1); | |
438 | ||
439 | g_ptr_array_add(alloc_list, var); | |
440 | var->block_flags = AML_NO_OPCODE; | |
441 | var->buf = build_alloc_array(); | |
442 | return var; | |
443 | } | |
444 | ||
3c054bd5 IM |
445 | static Aml *aml_opcode(uint8_t op) |
446 | { | |
447 | Aml *var = aml_alloc(); | |
448 | ||
449 | var->op = op; | |
450 | var->block_flags = AML_OPCODE; | |
451 | return var; | |
452 | } | |
453 | ||
2ef7c27b IM |
454 | static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags) |
455 | { | |
456 | Aml *var = aml_alloc(); | |
457 | ||
458 | var->op = op; | |
459 | var->block_flags = flags; | |
460 | return var; | |
461 | } | |
462 | ||
2e5feadb | 463 | static void aml_free(gpointer data, gpointer user_data) |
0f2707e4 IM |
464 | { |
465 | Aml *var = data; | |
466 | build_free_array(var->buf); | |
afcf905c | 467 | g_free(var); |
0f2707e4 IM |
468 | } |
469 | ||
470 | Aml *init_aml_allocator(void) | |
471 | { | |
0f2707e4 | 472 | assert(!alloc_list); |
2e5feadb | 473 | alloc_list = g_ptr_array_new(); |
9be38598 | 474 | return aml_alloc(); |
0f2707e4 IM |
475 | } |
476 | ||
477 | void free_aml_allocator(void) | |
478 | { | |
2e5feadb | 479 | g_ptr_array_foreach(alloc_list, aml_free, NULL); |
0f2707e4 IM |
480 | g_ptr_array_free(alloc_list, true); |
481 | alloc_list = 0; | |
482 | } | |
483 | ||
484 | /* pack data with DefBuffer encoding */ | |
485 | static void build_buffer(GArray *array, uint8_t op) | |
486 | { | |
487 | GArray *data = build_alloc_array(); | |
488 | ||
489 | build_append_int(data, array->len); | |
490 | g_array_prepend_vals(array, data->data, data->len); | |
491 | build_free_array(data); | |
492 | build_package(array, op); | |
493 | } | |
494 | ||
495 | void aml_append(Aml *parent_ctx, Aml *child) | |
496 | { | |
7d433b0d MT |
497 | GArray *buf = build_alloc_array(); |
498 | build_append_array(buf, child->buf); | |
499 | ||
0f2707e4 IM |
500 | switch (child->block_flags) { |
501 | case AML_OPCODE: | |
502 | build_append_byte(parent_ctx->buf, child->op); | |
503 | break; | |
504 | case AML_EXT_PACKAGE: | |
7d433b0d | 505 | build_extop_package(buf, child->op); |
0f2707e4 IM |
506 | break; |
507 | case AML_PACKAGE: | |
7d433b0d | 508 | build_package(buf, child->op); |
0f2707e4 IM |
509 | break; |
510 | case AML_RES_TEMPLATE: | |
7d433b0d | 511 | build_append_byte(buf, 0x79); /* EndTag */ |
0f2707e4 IM |
512 | /* |
513 | * checksum operations are treated as succeeded if checksum | |
514 | * field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag] | |
515 | */ | |
7d433b0d | 516 | build_append_byte(buf, 0); |
0f2707e4 IM |
517 | /* fall through, to pack resources in buffer */ |
518 | case AML_BUFFER: | |
7d433b0d | 519 | build_buffer(buf, child->op); |
0f2707e4 IM |
520 | break; |
521 | case AML_NO_OPCODE: | |
522 | break; | |
523 | default: | |
524 | assert(0); | |
525 | break; | |
526 | } | |
7d433b0d MT |
527 | build_append_array(parent_ctx->buf, buf); |
528 | build_free_array(buf); | |
0f2707e4 | 529 | } |
2ef7c27b IM |
530 | |
531 | /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */ | |
532 | Aml *aml_scope(const char *name_format, ...) | |
533 | { | |
534 | va_list ap; | |
535 | Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE); | |
536 | va_start(ap, name_format); | |
537 | build_append_namestringv(var->buf, name_format, ap); | |
538 | va_end(ap); | |
539 | return var; | |
540 | } | |
be06ebd0 | 541 | |
b25af5ad IM |
542 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */ |
543 | Aml *aml_return(Aml *val) | |
544 | { | |
545 | Aml *var = aml_opcode(0xA4 /* ReturnOp */); | |
546 | aml_append(var, val); | |
547 | return var; | |
548 | } | |
549 | ||
e8977414 IM |
550 | /* ACPI 1.0b: 16.2.6.3 Debug Objects Encoding: DebugObj */ |
551 | Aml *aml_debug(void) | |
552 | { | |
553 | Aml *var = aml_alloc(); | |
554 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
555 | build_append_byte(var->buf, 0x31); /* DebugOp */ | |
556 | return var; | |
557 | } | |
558 | ||
295a515d IM |
559 | /* |
560 | * ACPI 1.0b: 16.2.3 Data Objects Encoding: | |
561 | * encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp | |
562 | */ | |
563 | Aml *aml_int(const uint64_t val) | |
564 | { | |
565 | Aml *var = aml_alloc(); | |
566 | build_append_int(var->buf, val); | |
567 | return var; | |
568 | } | |
569 | ||
3c054bd5 IM |
570 | /* |
571 | * helper to construct NameString, which returns Aml object | |
572 | * for using with aml_append or other aml_* terms | |
573 | */ | |
574 | Aml *aml_name(const char *name_format, ...) | |
575 | { | |
576 | va_list ap; | |
577 | Aml *var = aml_alloc(); | |
578 | va_start(ap, name_format); | |
579 | build_append_namestringv(var->buf, name_format, ap); | |
580 | va_end(ap); | |
581 | return var; | |
582 | } | |
583 | ||
584 | /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */ | |
585 | Aml *aml_name_decl(const char *name, Aml *val) | |
586 | { | |
587 | Aml *var = aml_opcode(0x08 /* NameOp */); | |
588 | build_append_namestring(var->buf, "%s", name); | |
589 | aml_append(var, val); | |
590 | return var; | |
591 | } | |
592 | ||
7193f3a6 IM |
593 | /* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */ |
594 | Aml *aml_arg(int pos) | |
595 | { | |
7193f3a6 IM |
596 | uint8_t op = 0x68 /* ARG0 op */ + pos; |
597 | ||
598 | assert(pos <= 6); | |
9be38598 | 599 | return aml_opcode(op); |
7193f3a6 IM |
600 | } |
601 | ||
f411199d IM |
602 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */ |
603 | Aml *aml_to_integer(Aml *arg) | |
604 | { | |
605 | Aml *var = aml_opcode(0x99 /* ToIntegerOp */); | |
606 | aml_append(var, arg); | |
607 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
608 | return var; | |
609 | } | |
610 | ||
6d5ea945 IM |
611 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */ |
612 | Aml *aml_to_hexstring(Aml *src, Aml *dst) | |
613 | { | |
614 | Aml *var = aml_opcode(0x98 /* ToHexStringOp */); | |
615 | aml_append(var, src); | |
616 | if (dst) { | |
617 | aml_append(var, dst); | |
618 | } else { | |
619 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
620 | } | |
621 | return var; | |
622 | } | |
623 | ||
25c1432e IM |
624 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */ |
625 | Aml *aml_to_buffer(Aml *src, Aml *dst) | |
626 | { | |
627 | Aml *var = aml_opcode(0x96 /* ToBufferOp */); | |
628 | aml_append(var, src); | |
629 | if (dst) { | |
630 | aml_append(var, dst); | |
631 | } else { | |
632 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
633 | } | |
634 | return var; | |
635 | } | |
636 | ||
910e4069 IM |
637 | /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToDecimalString */ |
638 | Aml *aml_to_decimalstring(Aml *src, Aml *dst) | |
639 | { | |
640 | Aml *var = aml_opcode(0x97 /* ToDecimalStringOp */); | |
641 | aml_append(var, src); | |
642 | if (dst) { | |
643 | aml_append(var, dst); | |
644 | } else { | |
645 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
646 | } | |
647 | return var; | |
648 | } | |
649 | ||
c263b3f7 IM |
650 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */ |
651 | Aml *aml_store(Aml *val, Aml *target) | |
652 | { | |
653 | Aml *var = aml_opcode(0x70 /* StoreOp */); | |
654 | aml_append(var, val); | |
655 | aml_append(var, target); | |
656 | return var; | |
657 | } | |
658 | ||
439e2a6e IM |
659 | /** |
660 | * build_opcode_2arg_dst: | |
661 | * @op: 1-byte opcode | |
662 | * @arg1: 1st operand | |
663 | * @arg2: 2nd operand | |
664 | * @dst: optional target to store to, set to NULL if it's not required | |
665 | * | |
666 | * An internal helper to compose AML terms that have | |
667 | * "Op Operand Operand Target" | |
668 | * pattern. | |
669 | * | |
670 | * Returns: The newly allocated and composed according to patter Aml object. | |
671 | */ | |
672 | static Aml * | |
673 | build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst) | |
926f5aae | 674 | { |
439e2a6e | 675 | Aml *var = aml_opcode(op); |
926f5aae IM |
676 | aml_append(var, arg1); |
677 | aml_append(var, arg2); | |
439e2a6e IM |
678 | if (dst) { |
679 | aml_append(var, dst); | |
680 | } else { | |
681 | build_append_byte(var->buf, 0x00 /* NullNameOp */); | |
682 | } | |
926f5aae IM |
683 | return var; |
684 | } | |
685 | ||
439e2a6e | 686 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ |
5530427f | 687 | Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst) |
439e2a6e | 688 | { |
5530427f | 689 | return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst); |
439e2a6e IM |
690 | } |
691 | ||
922cc882 | 692 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */ |
ca3df95d | 693 | Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst) |
922cc882 | 694 | { |
ca3df95d | 695 | return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst); |
922cc882 SZ |
696 | } |
697 | ||
5776fa99 IM |
698 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLAnd */ |
699 | Aml *aml_land(Aml *arg1, Aml *arg2) | |
700 | { | |
701 | Aml *var = aml_opcode(0x90 /* LAndOp */); | |
702 | aml_append(var, arg1); | |
703 | aml_append(var, arg2); | |
704 | return var; | |
705 | } | |
706 | ||
df241999 IM |
707 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */ |
708 | Aml *aml_lor(Aml *arg1, Aml *arg2) | |
709 | { | |
710 | Aml *var = aml_opcode(0x91 /* LOrOp */); | |
711 | aml_append(var, arg1); | |
712 | aml_append(var, arg2); | |
713 | return var; | |
714 | } | |
715 | ||
a57ddddd MA |
716 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */ |
717 | Aml *aml_shiftleft(Aml *arg1, Aml *count) | |
718 | { | |
439e2a6e | 719 | return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL); |
a57ddddd MA |
720 | } |
721 | ||
f7bd7b8e | 722 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */ |
c360639a | 723 | Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst) |
f7bd7b8e | 724 | { |
c360639a | 725 | return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst); |
f7bd7b8e MA |
726 | } |
727 | ||
96396e28 MA |
728 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */ |
729 | Aml *aml_lless(Aml *arg1, Aml *arg2) | |
730 | { | |
731 | Aml *var = aml_opcode(0x95 /* LLessOp */); | |
732 | aml_append(var, arg1); | |
733 | aml_append(var, arg2); | |
734 | return var; | |
735 | } | |
736 | ||
c08cf070 | 737 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */ |
20ca5208 | 738 | Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) |
c08cf070 | 739 | { |
20ca5208 | 740 | return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst); |
c08cf070 MA |
741 | } |
742 | ||
7059eb42 IM |
743 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */ |
744 | Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst) | |
745 | { | |
746 | return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst); | |
747 | } | |
748 | ||
af39d536 MA |
749 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */ |
750 | Aml *aml_increment(Aml *arg) | |
751 | { | |
752 | Aml *var = aml_opcode(0x75 /* IncrementOp */); | |
753 | aml_append(var, arg); | |
754 | return var; | |
755 | } | |
756 | ||
7059eb42 IM |
757 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */ |
758 | Aml *aml_decrement(Aml *arg) | |
759 | { | |
760 | Aml *var = aml_opcode(0x76 /* DecrementOp */); | |
761 | aml_append(var, arg); | |
762 | return var; | |
763 | } | |
764 | ||
928b8996 MA |
765 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */ |
766 | Aml *aml_index(Aml *arg1, Aml *idx) | |
767 | { | |
439e2a6e | 768 | return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL); |
928b8996 MA |
769 | } |
770 | ||
34189453 IM |
771 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */ |
772 | Aml *aml_notify(Aml *arg1, Aml *arg2) | |
773 | { | |
774 | Aml *var = aml_opcode(0x86 /* NotifyOp */); | |
775 | aml_append(var, arg1); | |
776 | aml_append(var, arg2); | |
777 | return var; | |
7b38ba9c IM |
778 | } |
779 | ||
5776fa99 IM |
780 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefBreak */ |
781 | Aml *aml_break(void) | |
782 | { | |
783 | Aml *var = aml_opcode(0xa5 /* BreakOp */); | |
784 | return var; | |
785 | } | |
786 | ||
9a232487 | 787 | /* helper to call method without argument */ |
7b38ba9c IM |
788 | Aml *aml_call0(const char *method) |
789 | { | |
790 | Aml *var = aml_alloc(); | |
791 | build_append_namestring(var->buf, "%s", method); | |
792 | return var; | |
34189453 IM |
793 | } |
794 | ||
3f3992b7 IM |
795 | /* helper to call method with 1 argument */ |
796 | Aml *aml_call1(const char *method, Aml *arg1) | |
797 | { | |
798 | Aml *var = aml_alloc(); | |
799 | build_append_namestring(var->buf, "%s", method); | |
800 | aml_append(var, arg1); | |
801 | return var; | |
802 | } | |
803 | ||
804 | /* helper to call method with 2 arguments */ | |
805 | Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2) | |
806 | { | |
807 | Aml *var = aml_alloc(); | |
808 | build_append_namestring(var->buf, "%s", method); | |
809 | aml_append(var, arg1); | |
810 | aml_append(var, arg2); | |
811 | return var; | |
812 | } | |
813 | ||
814 | /* helper to call method with 3 arguments */ | |
815 | Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3) | |
816 | { | |
817 | Aml *var = aml_alloc(); | |
818 | build_append_namestring(var->buf, "%s", method); | |
819 | aml_append(var, arg1); | |
820 | aml_append(var, arg2); | |
821 | aml_append(var, arg3); | |
822 | return var; | |
823 | } | |
824 | ||
825 | /* helper to call method with 4 arguments */ | |
826 | Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) | |
827 | { | |
828 | Aml *var = aml_alloc(); | |
829 | build_append_namestring(var->buf, "%s", method); | |
830 | aml_append(var, arg1); | |
831 | aml_append(var, arg2); | |
832 | aml_append(var, arg3); | |
833 | aml_append(var, arg4); | |
834 | return var; | |
835 | } | |
836 | ||
052889b8 XG |
837 | /* helper to call method with 5 arguments */ |
838 | Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4, | |
839 | Aml *arg5) | |
840 | { | |
841 | Aml *var = aml_alloc(); | |
842 | build_append_namestring(var->buf, "%s", method); | |
843 | aml_append(var, arg1); | |
844 | aml_append(var, arg2); | |
845 | aml_append(var, arg3); | |
846 | aml_append(var, arg4); | |
847 | aml_append(var, arg5); | |
848 | return var; | |
849 | } | |
850 | ||
910e4069 IM |
851 | /* helper to call method with 5 arguments */ |
852 | Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4, | |
853 | Aml *arg5, Aml *arg6) | |
854 | { | |
855 | Aml *var = aml_alloc(); | |
856 | build_append_namestring(var->buf, "%s", method); | |
857 | aml_append(var, arg1); | |
858 | aml_append(var, arg2); | |
859 | aml_append(var, arg3); | |
860 | aml_append(var, arg4); | |
861 | aml_append(var, arg5); | |
862 | aml_append(var, arg6); | |
863 | return var; | |
864 | } | |
865 | ||
4ecdc746 SZ |
866 | /* |
867 | * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor | |
868 | * Type 1, Large Item Name 0xC | |
869 | */ | |
870 | ||
871 | static Aml *aml_gpio_connection(AmlGpioConnectionType type, | |
872 | AmlConsumerAndProducer con_and_pro, | |
873 | uint8_t flags, AmlPinConfig pin_config, | |
874 | uint16_t output_drive, | |
875 | uint16_t debounce_timeout, | |
876 | const uint32_t pin_list[], uint32_t pin_count, | |
877 | const char *resource_source_name, | |
878 | const uint8_t *vendor_data, | |
879 | uint16_t vendor_data_len) | |
880 | { | |
881 | Aml *var = aml_alloc(); | |
882 | const uint16_t min_desc_len = 0x16; | |
883 | uint16_t resource_source_name_len, length; | |
884 | uint16_t pin_table_offset, resource_source_name_offset, vendor_data_offset; | |
885 | uint32_t i; | |
886 | ||
887 | assert(resource_source_name); | |
888 | resource_source_name_len = strlen(resource_source_name) + 1; | |
889 | length = min_desc_len + resource_source_name_len + vendor_data_len; | |
890 | pin_table_offset = min_desc_len + 1; | |
891 | resource_source_name_offset = pin_table_offset + pin_count * 2; | |
892 | vendor_data_offset = resource_source_name_offset + resource_source_name_len; | |
893 | ||
894 | build_append_byte(var->buf, 0x8C); /* GPIO Connection Descriptor */ | |
895 | build_append_int_noprefix(var->buf, length, 2); /* Length */ | |
896 | build_append_byte(var->buf, 1); /* Revision ID */ | |
897 | build_append_byte(var->buf, type); /* GPIO Connection Type */ | |
898 | /* General Flags (2 bytes) */ | |
899 | build_append_int_noprefix(var->buf, con_and_pro, 2); | |
900 | /* Interrupt and IO Flags (2 bytes) */ | |
901 | build_append_int_noprefix(var->buf, flags, 2); | |
902 | /* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */ | |
903 | build_append_byte(var->buf, pin_config); | |
904 | /* Output Drive Strength (2 bytes) */ | |
905 | build_append_int_noprefix(var->buf, output_drive, 2); | |
906 | /* Debounce Timeout (2 bytes) */ | |
907 | build_append_int_noprefix(var->buf, debounce_timeout, 2); | |
908 | /* Pin Table Offset (2 bytes) */ | |
909 | build_append_int_noprefix(var->buf, pin_table_offset, 2); | |
910 | build_append_byte(var->buf, 0); /* Resource Source Index */ | |
911 | /* Resource Source Name Offset (2 bytes) */ | |
912 | build_append_int_noprefix(var->buf, resource_source_name_offset, 2); | |
913 | /* Vendor Data Offset (2 bytes) */ | |
914 | build_append_int_noprefix(var->buf, vendor_data_offset, 2); | |
915 | /* Vendor Data Length (2 bytes) */ | |
916 | build_append_int_noprefix(var->buf, vendor_data_len, 2); | |
917 | /* Pin Number (2n bytes)*/ | |
918 | for (i = 0; i < pin_count; i++) { | |
919 | build_append_int_noprefix(var->buf, pin_list[i], 2); | |
920 | } | |
921 | ||
922 | /* Resource Source Name */ | |
923 | build_append_namestring(var->buf, "%s", resource_source_name); | |
924 | build_append_byte(var->buf, '\0'); | |
925 | ||
926 | /* Vendor-defined Data */ | |
927 | if (vendor_data != NULL) { | |
928 | g_array_append_vals(var->buf, vendor_data, vendor_data_len); | |
929 | } | |
930 | ||
931 | return var; | |
932 | } | |
933 | ||
37d0e980 SZ |
934 | /* |
935 | * ACPI 5.0: 19.5.53 | |
936 | * GpioInt(GPIO Interrupt Connection Resource Descriptor Macro) | |
937 | */ | |
938 | Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro, | |
939 | AmlLevelAndEdge edge_level, | |
940 | AmlActiveHighAndLow active_level, AmlShared shared, | |
941 | AmlPinConfig pin_config, uint16_t debounce_timeout, | |
942 | const uint32_t pin_list[], uint32_t pin_count, | |
943 | const char *resource_source_name, | |
944 | const uint8_t *vendor_data, uint16_t vendor_data_len) | |
945 | { | |
946 | uint8_t flags = edge_level | (active_level << 1) | (shared << 3); | |
947 | ||
948 | return aml_gpio_connection(AML_INTERRUPT_CONNECTION, con_and_pro, flags, | |
949 | pin_config, 0, debounce_timeout, pin_list, | |
950 | pin_count, resource_source_name, vendor_data, | |
951 | vendor_data_len); | |
952 | } | |
953 | ||
dc17ab1d SZ |
954 | /* |
955 | * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor | |
956 | * (Type 1, Large Item Name 0x6) | |
957 | */ | |
958 | Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, | |
959 | AmlReadAndWrite read_and_write) | |
960 | { | |
961 | Aml *var = aml_alloc(); | |
962 | build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */ | |
963 | build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */ | |
964 | build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */ | |
965 | build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */ | |
966 | ||
967 | /* Range base address */ | |
968 | build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */ | |
969 | build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */ | |
970 | build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */ | |
971 | build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */ | |
972 | ||
973 | /* Range length */ | |
974 | build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */ | |
975 | build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */ | |
976 | build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */ | |
977 | build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */ | |
978 | return var; | |
979 | } | |
980 | ||
205d1d1c SZ |
981 | /* |
982 | * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor | |
983 | * Type 1, Large Item Name 0x9 | |
984 | */ | |
985 | Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, | |
986 | AmlLevelAndEdge level_and_edge, | |
987 | AmlActiveHighAndLow high_and_low, AmlShared shared, | |
45fcf539 | 988 | uint32_t *irq_list, uint8_t irq_count) |
205d1d1c | 989 | { |
45fcf539 | 990 | int i; |
205d1d1c SZ |
991 | Aml *var = aml_alloc(); |
992 | uint8_t irq_flags = con_and_pro | (level_and_edge << 1) | |
993 | | (high_and_low << 2) | (shared << 3); | |
45fcf539 IM |
994 | const int header_bytes_in_len = 2; |
995 | uint16_t len = header_bytes_in_len + irq_count * sizeof(uint32_t); | |
996 | ||
997 | assert(irq_count > 0); | |
205d1d1c SZ |
998 | |
999 | build_append_byte(var->buf, 0x89); /* Extended irq descriptor */ | |
45fcf539 IM |
1000 | build_append_byte(var->buf, len & 0xFF); /* Length, bits[7:0] */ |
1001 | build_append_byte(var->buf, len >> 8); /* Length, bits[15:8] */ | |
205d1d1c | 1002 | build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */ |
45fcf539 | 1003 | build_append_byte(var->buf, irq_count); /* Interrupt table length */ |
205d1d1c | 1004 | |
45fcf539 IM |
1005 | /* Interrupt Number List */ |
1006 | for (i = 0; i < irq_count; i++) { | |
1007 | build_append_int_noprefix(var->buf, irq_list[i], 4); | |
1008 | } | |
205d1d1c SZ |
1009 | return var; |
1010 | } | |
1011 | ||
52fa397c IM |
1012 | /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ |
1013 | Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, | |
1014 | uint8_t aln, uint8_t len) | |
1015 | { | |
1016 | Aml *var = aml_alloc(); | |
1017 | build_append_byte(var->buf, 0x47); /* IO port descriptor */ | |
1018 | build_append_byte(var->buf, dec); | |
1019 | build_append_byte(var->buf, min_base & 0xff); | |
1020 | build_append_byte(var->buf, (min_base >> 8) & 0xff); | |
1021 | build_append_byte(var->buf, max_base & 0xff); | |
1022 | build_append_byte(var->buf, (max_base >> 8) & 0xff); | |
1023 | build_append_byte(var->buf, aln); | |
1024 | build_append_byte(var->buf, len); | |
1025 | return var; | |
1026 | } | |
1027 | ||
70560453 IM |
1028 | /* |
1029 | * ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor | |
1030 | * | |
1031 | * More verbose description at: | |
1032 | * ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro) | |
1033 | * 6.4.2.1 IRQ Descriptor | |
1034 | */ | |
1035 | Aml *aml_irq_no_flags(uint8_t irq) | |
1036 | { | |
1037 | uint16_t irq_mask; | |
1038 | Aml *var = aml_alloc(); | |
1039 | ||
1040 | assert(irq < 16); | |
1041 | build_append_byte(var->buf, 0x22); /* IRQ descriptor 2 byte form */ | |
1042 | ||
1043 | irq_mask = 1U << irq; | |
1044 | build_append_byte(var->buf, irq_mask & 0xFF); /* IRQ mask bits[7:0] */ | |
1045 | build_append_byte(var->buf, irq_mask >> 8); /* IRQ mask bits[15:8] */ | |
1046 | return var; | |
1047 | } | |
1048 | ||
ea7df04a SZ |
1049 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */ |
1050 | Aml *aml_lnot(Aml *arg) | |
1051 | { | |
1052 | Aml *var = aml_opcode(0x92 /* LNotOp */); | |
1053 | aml_append(var, arg); | |
1054 | return var; | |
1055 | } | |
1056 | ||
15e44e56 IM |
1057 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */ |
1058 | Aml *aml_equal(Aml *arg1, Aml *arg2) | |
1059 | { | |
1060 | Aml *var = aml_opcode(0x93 /* LequalOp */); | |
1061 | aml_append(var, arg1); | |
dabad78b IM |
1062 | aml_append(var, arg2); |
1063 | return var; | |
1064 | } | |
1065 | ||
1066 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */ | |
1067 | Aml *aml_lgreater(Aml *arg1, Aml *arg2) | |
1068 | { | |
1069 | Aml *var = aml_opcode(0x94 /* LGreaterOp */); | |
1070 | aml_append(var, arg1); | |
15e44e56 | 1071 | aml_append(var, arg2); |
15e44e56 IM |
1072 | return var; |
1073 | } | |
1074 | ||
2d3f667d IM |
1075 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */ |
1076 | Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2) | |
1077 | { | |
1078 | /* LGreaterEqualOp := LNotOp LLessOp */ | |
1079 | Aml *var = aml_opcode(0x92 /* LNotOp */); | |
1080 | build_append_byte(var->buf, 0x95 /* LLessOp */); | |
1081 | aml_append(var, arg1); | |
1082 | aml_append(var, arg2); | |
1083 | return var; | |
1084 | } | |
1085 | ||
32acac9e IM |
1086 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ |
1087 | Aml *aml_if(Aml *predicate) | |
1088 | { | |
1089 | Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE); | |
1090 | aml_append(var, predicate); | |
1091 | return var; | |
1092 | } | |
1093 | ||
467b07df SZ |
1094 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */ |
1095 | Aml *aml_else(void) | |
1096 | { | |
1097 | Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE); | |
1098 | return var; | |
1099 | } | |
1100 | ||
32d9ca15 MA |
1101 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */ |
1102 | Aml *aml_while(Aml *predicate) | |
1103 | { | |
1104 | Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE); | |
1105 | aml_append(var, predicate); | |
1106 | return var; | |
1107 | } | |
1108 | ||
ea2407d7 | 1109 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */ |
4dbfc881 | 1110 | Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag) |
ea2407d7 IM |
1111 | { |
1112 | Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE); | |
4dbfc881 XG |
1113 | int methodflags; |
1114 | ||
1115 | /* | |
1116 | * MethodFlags: | |
1117 | * bit 0-2: ArgCount (0-7) | |
1118 | * bit 3: SerializeFlag | |
1119 | * 0: NotSerialized | |
1120 | * 1: Serialized | |
1121 | * bit 4-7: reserved (must be 0) | |
1122 | */ | |
1123 | assert(arg_count < 8); | |
1124 | methodflags = arg_count | (sflag << 3); | |
1125 | ||
ea2407d7 | 1126 | build_append_namestring(var->buf, "%s", name); |
4dbfc881 | 1127 | build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */ |
ea2407d7 IM |
1128 | return var; |
1129 | } | |
1130 | ||
be06ebd0 IM |
1131 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */ |
1132 | Aml *aml_device(const char *name_format, ...) | |
1133 | { | |
1134 | va_list ap; | |
1135 | Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE); | |
1136 | va_start(ap, name_format); | |
1137 | build_append_namestringv(var->buf, name_format, ap); | |
1138 | va_end(ap); | |
1139 | return var; | |
1140 | } | |
3bfa74a7 | 1141 | |
ad4a80bc IM |
1142 | /* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */ |
1143 | Aml *aml_resource_template(void) | |
1144 | { | |
1145 | /* ResourceTemplate is a buffer of Resources with EndTag at the end */ | |
1146 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE); | |
1147 | return var; | |
1148 | } | |
1149 | ||
ed8b5847 SZ |
1150 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer |
1151 | * Pass byte_list as NULL to request uninitialized buffer to reserve space. | |
1152 | */ | |
1153 | Aml *aml_buffer(int buffer_size, uint8_t *byte_list) | |
04b8da54 | 1154 | { |
ed8b5847 | 1155 | int i; |
04b8da54 | 1156 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); |
ed8b5847 SZ |
1157 | |
1158 | for (i = 0; i < buffer_size; i++) { | |
1159 | if (byte_list == NULL) { | |
1160 | build_append_byte(var->buf, 0x0); | |
1161 | } else { | |
1162 | build_append_byte(var->buf, byte_list[i]); | |
1163 | } | |
1164 | } | |
1165 | ||
04b8da54 IM |
1166 | return var; |
1167 | } | |
1168 | ||
3bfa74a7 IM |
1169 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */ |
1170 | Aml *aml_package(uint8_t num_elements) | |
1171 | { | |
1172 | Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE); | |
1173 | build_append_byte(var->buf, num_elements); | |
1174 | return var; | |
1175 | } | |
31127938 IM |
1176 | |
1177 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */ | |
1178 | Aml *aml_operation_region(const char *name, AmlRegionSpace rs, | |
3f3009c0 | 1179 | Aml *offset, uint32_t len) |
31127938 IM |
1180 | { |
1181 | Aml *var = aml_alloc(); | |
1182 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1183 | build_append_byte(var->buf, 0x80); /* OpRegionOp */ | |
1184 | build_append_namestring(var->buf, "%s", name); | |
1185 | build_append_byte(var->buf, rs); | |
3f3009c0 | 1186 | aml_append(var, offset); |
31127938 IM |
1187 | build_append_int(var->buf, len); |
1188 | return var; | |
1189 | } | |
214ae59f IM |
1190 | |
1191 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */ | |
1192 | Aml *aml_named_field(const char *name, unsigned length) | |
1193 | { | |
1194 | Aml *var = aml_alloc(); | |
1195 | build_append_nameseg(var->buf, name); | |
1196 | build_append_pkg_length(var->buf, length, false); | |
1197 | return var; | |
1198 | } | |
1199 | ||
e2ea299b IM |
1200 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */ |
1201 | Aml *aml_reserved_field(unsigned length) | |
1202 | { | |
1203 | Aml *var = aml_alloc(); | |
1204 | /* ReservedField := 0x00 PkgLength */ | |
1205 | build_append_byte(var->buf, 0x00); | |
1206 | build_append_pkg_length(var->buf, length, false); | |
1207 | return var; | |
1208 | } | |
1209 | ||
214ae59f | 1210 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */ |
36de884a IM |
1211 | Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock, |
1212 | AmlUpdateRule rule) | |
214ae59f IM |
1213 | { |
1214 | Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE); | |
af509897 ZG |
1215 | uint8_t flags = rule << 5 | type; |
1216 | ||
36de884a IM |
1217 | flags |= lock << 4; /* LockRule at 4 bit offset */ |
1218 | ||
214ae59f IM |
1219 | build_append_namestring(var->buf, "%s", name); |
1220 | build_append_byte(var->buf, flags); | |
1221 | return var; | |
1222 | } | |
b8a5d689 | 1223 | |
7e192a38 IM |
1224 | static |
1225 | Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) | |
ed8176a3 | 1226 | { |
7e192a38 | 1227 | Aml *var = aml_opcode(opcode); |
ed8176a3 SZ |
1228 | aml_append(var, srcbuf); |
1229 | aml_append(var, index); | |
1230 | build_append_namestring(var->buf, "%s", name); | |
1231 | return var; | |
1232 | } | |
1233 | ||
39b6dbd8 XG |
1234 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */ |
1235 | Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, | |
1236 | const char *name) | |
1237 | { | |
1238 | Aml *var = aml_alloc(); | |
1239 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1240 | build_append_byte(var->buf, 0x13); /* CreateFieldOp */ | |
1241 | aml_append(var, srcbuf); | |
1242 | aml_append(var, bit_index); | |
1243 | aml_append(var, num_bits); | |
1244 | build_append_namestring(var->buf, "%s", name); | |
1245 | return var; | |
1246 | } | |
1247 | ||
7e192a38 IM |
1248 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ |
1249 | Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) | |
1250 | { | |
1251 | return create_field_common(0x8A /* CreateDWordFieldOp */, | |
1252 | srcbuf, index, name); | |
1253 | } | |
1254 | ||
1255 | /* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */ | |
1256 | Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name) | |
1257 | { | |
1258 | return create_field_common(0x8F /* CreateQWordFieldOp */, | |
1259 | srcbuf, index, name); | |
1260 | } | |
1261 | ||
d5e5830f IM |
1262 | /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ |
1263 | Aml *aml_string(const char *name_format, ...) | |
1264 | { | |
1265 | Aml *var = aml_opcode(0x0D /* StringPrefix */); | |
c3bdc56c | 1266 | va_list ap; |
d5e5830f IM |
1267 | char *s; |
1268 | int len; | |
1269 | ||
1270 | va_start(ap, name_format); | |
c3bdc56c | 1271 | len = g_vasprintf(&s, name_format, ap); |
d5e5830f IM |
1272 | va_end(ap); |
1273 | ||
c3bdc56c | 1274 | g_array_append_vals(var->buf, s, len + 1); |
d5e5830f IM |
1275 | g_free(s); |
1276 | ||
1277 | return var; | |
1278 | } | |
1279 | ||
b8a5d689 IM |
1280 | /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ |
1281 | Aml *aml_local(int num) | |
1282 | { | |
b8a5d689 IM |
1283 | uint8_t op = 0x60 /* Local0Op */ + num; |
1284 | ||
1285 | assert(num <= 7); | |
9be38598 | 1286 | return aml_opcode(op); |
b8a5d689 | 1287 | } |
a678508e IM |
1288 | |
1289 | /* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */ | |
1290 | Aml *aml_varpackage(uint32_t num_elements) | |
1291 | { | |
1292 | Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE); | |
1293 | build_append_int(var->buf, num_elements); | |
1294 | return var; | |
1295 | } | |
3dd15643 IM |
1296 | |
1297 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */ | |
1298 | Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len, | |
1299 | const char *name_format, ...) | |
1300 | { | |
1301 | va_list ap; | |
1302 | Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE); | |
1303 | va_start(ap, name_format); | |
1304 | build_append_namestringv(var->buf, name_format, ap); | |
1305 | va_end(ap); | |
1306 | build_append_byte(var->buf, proc_id); /* ProcID */ | |
1307 | build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr)); | |
1308 | build_append_byte(var->buf, pblk_len); /* PblkLen */ | |
1309 | return var; | |
1310 | } | |
a7891dac IM |
1311 | |
1312 | static uint8_t Hex2Digit(char c) | |
1313 | { | |
1314 | if (c >= 'A') { | |
1315 | return c - 'A' + 10; | |
1316 | } | |
1317 | ||
1318 | return c - '0'; | |
1319 | } | |
1320 | ||
1321 | /* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */ | |
1322 | Aml *aml_eisaid(const char *str) | |
1323 | { | |
1324 | Aml *var = aml_alloc(); | |
1325 | uint32_t id; | |
1326 | ||
1327 | g_assert(strlen(str) == 7); | |
1328 | id = (str[0] - 0x40) << 26 | | |
1329 | (str[1] - 0x40) << 21 | | |
1330 | (str[2] - 0x40) << 16 | | |
1331 | Hex2Digit(str[3]) << 12 | | |
1332 | Hex2Digit(str[4]) << 8 | | |
1333 | Hex2Digit(str[5]) << 4 | | |
1334 | Hex2Digit(str[6]); | |
1335 | ||
1336 | build_append_byte(var->buf, 0x0C); /* DWordPrefix */ | |
1337 | build_append_int_noprefix(var->buf, bswap32(id), sizeof(id)); | |
1338 | return var; | |
1339 | } | |
6ece7053 IM |
1340 | |
1341 | /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */ | |
1342 | static Aml *aml_as_desc_header(AmlResourceType type, AmlMinFixed min_fixed, | |
1343 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1344 | uint8_t type_flags) | |
1345 | { | |
1346 | uint8_t flags = max_fixed | min_fixed | dec; | |
1347 | Aml *var = aml_alloc(); | |
1348 | ||
1349 | build_append_byte(var->buf, type); | |
1350 | build_append_byte(var->buf, flags); | |
1351 | build_append_byte(var->buf, type_flags); /* Type Specific Flags */ | |
1352 | return var; | |
1353 | } | |
1354 | ||
1355 | /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */ | |
1356 | static Aml *aml_word_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1357 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1358 | uint16_t addr_gran, uint16_t addr_min, | |
1359 | uint16_t addr_max, uint16_t addr_trans, | |
1360 | uint16_t len, uint8_t type_flags) | |
1361 | { | |
1362 | Aml *var = aml_alloc(); | |
1363 | ||
1364 | build_append_byte(var->buf, 0x88); /* Word Address Space Descriptor */ | |
1365 | /* minimum length since we do not encode optional fields */ | |
1366 | build_append_byte(var->buf, 0x0D); | |
1367 | build_append_byte(var->buf, 0x0); | |
1368 | ||
1369 | aml_append(var, | |
1370 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1371 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1372 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1373 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1374 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1375 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1376 | return var; | |
1377 | } | |
1378 | ||
1379 | /* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */ | |
1380 | static Aml *aml_dword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1381 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1382 | uint32_t addr_gran, uint32_t addr_min, | |
1383 | uint32_t addr_max, uint32_t addr_trans, | |
1384 | uint32_t len, uint8_t type_flags) | |
1385 | { | |
1386 | Aml *var = aml_alloc(); | |
1387 | ||
1388 | build_append_byte(var->buf, 0x87); /* DWord Address Space Descriptor */ | |
1389 | /* minimum length since we do not encode optional fields */ | |
1390 | build_append_byte(var->buf, 23); | |
1391 | build_append_byte(var->buf, 0x0); | |
1392 | ||
1393 | ||
1394 | aml_append(var, | |
1395 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1396 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1397 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1398 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1399 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1400 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1401 | return var; | |
1402 | } | |
1403 | ||
1404 | /* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */ | |
1405 | static Aml *aml_qword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, | |
1406 | AmlMaxFixed max_fixed, AmlDecode dec, | |
1407 | uint64_t addr_gran, uint64_t addr_min, | |
1408 | uint64_t addr_max, uint64_t addr_trans, | |
1409 | uint64_t len, uint8_t type_flags) | |
1410 | { | |
1411 | Aml *var = aml_alloc(); | |
1412 | ||
1413 | build_append_byte(var->buf, 0x8A); /* QWord Address Space Descriptor */ | |
1414 | /* minimum length since we do not encode optional fields */ | |
1415 | build_append_byte(var->buf, 0x2B); | |
1416 | build_append_byte(var->buf, 0x0); | |
1417 | ||
1418 | aml_append(var, | |
1419 | aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); | |
1420 | build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); | |
1421 | build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); | |
1422 | build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); | |
1423 | build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); | |
1424 | build_append_int_noprefix(var->buf, len, sizeof(len)); | |
1425 | return var; | |
1426 | } | |
1427 | ||
1428 | /* | |
1429 | * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor | |
1430 | * | |
1431 | * More verbose description at: | |
1432 | * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro) | |
1433 | */ | |
1434 | Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1435 | AmlDecode dec, uint16_t addr_gran, | |
1436 | uint16_t addr_min, uint16_t addr_max, | |
1437 | uint16_t addr_trans, uint16_t len) | |
1438 | ||
1439 | { | |
ff80dc7f | 1440 | return aml_word_as_desc(AML_BUS_NUMBER_RANGE, min_fixed, max_fixed, dec, |
6ece7053 IM |
1441 | addr_gran, addr_min, addr_max, addr_trans, len, 0); |
1442 | } | |
1443 | ||
1444 | /* | |
1445 | * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor | |
1446 | * | |
1447 | * More verbose description at: | |
1448 | * ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro) | |
1449 | */ | |
1450 | Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1451 | AmlDecode dec, AmlISARanges isa_ranges, | |
1452 | uint16_t addr_gran, uint16_t addr_min, | |
1453 | uint16_t addr_max, uint16_t addr_trans, | |
1454 | uint16_t len) | |
1455 | ||
1456 | { | |
ff80dc7f | 1457 | return aml_word_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, |
6ece7053 IM |
1458 | addr_gran, addr_min, addr_max, addr_trans, len, |
1459 | isa_ranges); | |
1460 | } | |
1461 | ||
616ef329 SZ |
1462 | /* |
1463 | * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor | |
1464 | * | |
1465 | * More verbose description at: | |
1466 | * ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro) | |
1467 | */ | |
1468 | Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, | |
1469 | AmlDecode dec, AmlISARanges isa_ranges, | |
1470 | uint32_t addr_gran, uint32_t addr_min, | |
1471 | uint32_t addr_max, uint32_t addr_trans, | |
1472 | uint32_t len) | |
1473 | ||
1474 | { | |
1475 | return aml_dword_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, | |
1476 | addr_gran, addr_min, addr_max, addr_trans, len, | |
1477 | isa_ranges); | |
1478 | } | |
1479 | ||
6ece7053 IM |
1480 | /* |
1481 | * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor | |
1482 | * | |
1483 | * More verbose description at: | |
1484 | * ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro) | |
1485 | */ | |
1486 | Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed, | |
ff80dc7f | 1487 | AmlMaxFixed max_fixed, AmlCacheable cacheable, |
6ece7053 IM |
1488 | AmlReadAndWrite read_and_write, |
1489 | uint32_t addr_gran, uint32_t addr_min, | |
1490 | uint32_t addr_max, uint32_t addr_trans, | |
1491 | uint32_t len) | |
1492 | { | |
1493 | uint8_t flags = read_and_write | (cacheable << 1); | |
1494 | ||
ff80dc7f | 1495 | return aml_dword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, |
6ece7053 IM |
1496 | dec, addr_gran, addr_min, addr_max, |
1497 | addr_trans, len, flags); | |
1498 | } | |
1499 | ||
1500 | /* | |
1501 | * ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor | |
1502 | * | |
1503 | * More verbose description at: | |
1504 | * ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro) | |
1505 | */ | |
1506 | Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, | |
ff80dc7f | 1507 | AmlMaxFixed max_fixed, AmlCacheable cacheable, |
6ece7053 IM |
1508 | AmlReadAndWrite read_and_write, |
1509 | uint64_t addr_gran, uint64_t addr_min, | |
1510 | uint64_t addr_max, uint64_t addr_trans, | |
1511 | uint64_t len) | |
1512 | { | |
1513 | uint8_t flags = read_and_write | (cacheable << 1); | |
1514 | ||
ff80dc7f | 1515 | return aml_qword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, |
6ece7053 IM |
1516 | dec, addr_gran, addr_min, addr_max, |
1517 | addr_trans, len, flags); | |
1518 | } | |
658c2718 | 1519 | |
a23b8872 IM |
1520 | /* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */ |
1521 | Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, | |
1522 | uint8_t channel) | |
1523 | { | |
1524 | Aml *var = aml_alloc(); | |
1525 | uint8_t flags = sz | bm << 2 | typ << 5; | |
1526 | ||
1527 | assert(channel < 8); | |
1528 | build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */ | |
1529 | build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */ | |
1530 | build_append_byte(var->buf, flags); /* Byte 2 */ | |
1531 | return var; | |
1532 | } | |
1533 | ||
0073518d IM |
1534 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */ |
1535 | Aml *aml_sleep(uint64_t msec) | |
1536 | { | |
1537 | Aml *var = aml_alloc(); | |
1538 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1539 | build_append_byte(var->buf, 0x22); /* SleepOp */ | |
1540 | aml_append(var, aml_int(msec)); | |
1541 | return var; | |
1542 | } | |
1543 | ||
b930fb9d SZ |
1544 | static uint8_t Hex2Byte(const char *src) |
1545 | { | |
1546 | int hi, lo; | |
1547 | ||
1548 | hi = Hex2Digit(src[0]); | |
1549 | assert(hi >= 0); | |
1550 | assert(hi <= 15); | |
1551 | ||
1552 | lo = Hex2Digit(src[1]); | |
1553 | assert(lo >= 0); | |
1554 | assert(lo <= 15); | |
1555 | return (hi << 4) | lo; | |
1556 | } | |
1557 | ||
1558 | /* | |
1559 | * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) | |
1560 | * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp | |
1561 | * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); | |
1562 | */ | |
1563 | Aml *aml_touuid(const char *uuid) | |
1564 | { | |
1565 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); | |
1566 | ||
1567 | assert(strlen(uuid) == 36); | |
1568 | assert(uuid[8] == '-'); | |
1569 | assert(uuid[13] == '-'); | |
1570 | assert(uuid[18] == '-'); | |
1571 | assert(uuid[23] == '-'); | |
1572 | ||
1573 | build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */ | |
1574 | build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */ | |
1575 | build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */ | |
1576 | build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */ | |
1577 | ||
1578 | build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */ | |
1579 | build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */ | |
1580 | ||
1581 | build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */ | |
1582 | build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */ | |
1583 | ||
1584 | build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */ | |
1585 | build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */ | |
1586 | ||
1587 | build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */ | |
1588 | build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */ | |
1589 | build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */ | |
1590 | build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */ | |
1591 | build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */ | |
1592 | build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */ | |
1593 | ||
1594 | return var; | |
1595 | } | |
1596 | ||
e1f776c4 SZ |
1597 | /* |
1598 | * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode) | |
1599 | */ | |
1600 | Aml *aml_unicode(const char *str) | |
1601 | { | |
1602 | int i = 0; | |
1603 | Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); | |
1604 | ||
1605 | do { | |
1606 | build_append_byte(var->buf, str[i]); | |
1607 | build_append_byte(var->buf, 0); | |
1608 | i++; | |
1609 | } while (i <= strlen(str)); | |
1610 | ||
1611 | return var; | |
1612 | } | |
1613 | ||
7bc6fd24 IM |
1614 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefRefOf */ |
1615 | Aml *aml_refof(Aml *arg) | |
1616 | { | |
1617 | Aml *var = aml_opcode(0x71 /* RefOfOp */); | |
1618 | aml_append(var, arg); | |
1619 | return var; | |
1620 | } | |
1621 | ||
95cb0661 XG |
1622 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */ |
1623 | Aml *aml_derefof(Aml *arg) | |
1624 | { | |
1625 | Aml *var = aml_opcode(0x83 /* DerefOfOp */); | |
1626 | aml_append(var, arg); | |
1627 | return var; | |
1628 | } | |
1629 | ||
52483d14 XG |
1630 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */ |
1631 | Aml *aml_sizeof(Aml *arg) | |
1632 | { | |
1633 | Aml *var = aml_opcode(0x87 /* SizeOfOp */); | |
1634 | aml_append(var, arg); | |
1635 | return var; | |
1636 | } | |
1637 | ||
6e1db3f2 XG |
1638 | /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */ |
1639 | Aml *aml_mutex(const char *name, uint8_t sync_level) | |
1640 | { | |
1641 | Aml *var = aml_alloc(); | |
1642 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1643 | build_append_byte(var->buf, 0x01); /* MutexOp */ | |
1644 | build_append_namestring(var->buf, "%s", name); | |
1645 | assert(!(sync_level & 0xF0)); | |
1646 | build_append_byte(var->buf, sync_level); | |
1647 | return var; | |
1648 | } | |
1649 | ||
1650 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */ | |
1651 | Aml *aml_acquire(Aml *mutex, uint16_t timeout) | |
1652 | { | |
1653 | Aml *var = aml_alloc(); | |
1654 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1655 | build_append_byte(var->buf, 0x23); /* AcquireOp */ | |
1656 | aml_append(var, mutex); | |
1657 | build_append_int_noprefix(var->buf, timeout, sizeof(timeout)); | |
1658 | return var; | |
1659 | } | |
1660 | ||
1661 | /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */ | |
1662 | Aml *aml_release(Aml *mutex) | |
1663 | { | |
1664 | Aml *var = aml_alloc(); | |
1665 | build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ | |
1666 | build_append_byte(var->buf, 0x27); /* ReleaseOp */ | |
1667 | aml_append(var, mutex); | |
1668 | return var; | |
1669 | } | |
1670 | ||
67a5c0fa IM |
1671 | /* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */ |
1672 | Aml *aml_alias(const char *source_object, const char *alias_object) | |
1673 | { | |
1674 | Aml *var = aml_opcode(0x06 /* AliasOp */); | |
1675 | aml_append(var, aml_name("%s", source_object)); | |
1676 | aml_append(var, aml_name("%s", alias_object)); | |
1677 | return var; | |
9815cba5 XG |
1678 | } |
1679 | ||
1680 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */ | |
1681 | Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target) | |
1682 | { | |
1683 | return build_opcode_2arg_dst(0x73 /* ConcatOp */, source1, source2, | |
1684 | target); | |
67a5c0fa IM |
1685 | } |
1686 | ||
b265f27c XG |
1687 | /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefObjectType */ |
1688 | Aml *aml_object_type(Aml *object) | |
1689 | { | |
1690 | Aml *var = aml_opcode(0x8E /* ObjectTypeOp */); | |
1691 | aml_append(var, object); | |
1692 | return var; | |
1693 | } | |
1694 | ||
658c2718 | 1695 | void |
0e9b9eda | 1696 | build_header(BIOSLinker *linker, GArray *table_data, |
8870ca0e | 1697 | AcpiTableHeader *h, const char *sig, int len, uint8_t rev, |
37ad223c | 1698 | const char *oem_id, const char *oem_table_id) |
658c2718 | 1699 | { |
28213cb6 IM |
1700 | unsigned tbl_offset = (char *)h - table_data->data; |
1701 | unsigned checksum_offset = (char *)&h->checksum - table_data->data; | |
658c2718 SZ |
1702 | memcpy(&h->signature, sig, 4); |
1703 | h->length = cpu_to_le32(len); | |
1704 | h->revision = rev; | |
37ad223c | 1705 | |
602b4582 MP |
1706 | strpadcpy((char *)h->oem_id, sizeof h->oem_id, oem_id, ' '); |
1707 | strpadcpy((char *)h->oem_table_id, sizeof h->oem_table_id, | |
1708 | oem_table_id, ' '); | |
8870ca0e | 1709 | |
658c2718 | 1710 | h->oem_revision = cpu_to_le32(1); |
602b4582 | 1711 | memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME8, 4); |
658c2718 | 1712 | h->asl_compiler_revision = cpu_to_le32(1); |
658c2718 SZ |
1713 | /* Checksum to be filled in by Guest linker */ |
1714 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE, | |
28213cb6 | 1715 | tbl_offset, len, checksum_offset); |
658c2718 SZ |
1716 | } |
1717 | ||
1718 | void *acpi_data_push(GArray *table_data, unsigned size) | |
1719 | { | |
1720 | unsigned off = table_data->len; | |
1721 | g_array_set_size(table_data, off + size); | |
1722 | return table_data->data + off; | |
1723 | } | |
1724 | ||
1725 | unsigned acpi_data_len(GArray *table) | |
1726 | { | |
658c2718 | 1727 | assert(g_array_get_element_size(table) == 1); |
658c2718 SZ |
1728 | return table->len; |
1729 | } | |
1730 | ||
1731 | void acpi_add_table(GArray *table_offsets, GArray *table_data) | |
1732 | { | |
4678124b | 1733 | uint32_t offset = table_data->len; |
658c2718 SZ |
1734 | g_array_append_val(table_offsets, offset); |
1735 | } | |
1736 | ||
1737 | void acpi_build_tables_init(AcpiBuildTables *tables) | |
1738 | { | |
1739 | tables->rsdp = g_array_new(false, true /* clear */, 1); | |
1740 | tables->table_data = g_array_new(false, true /* clear */, 1); | |
1741 | tables->tcpalog = g_array_new(false, true /* clear */, 1); | |
c7809e6c | 1742 | tables->vmgenid = g_array_new(false, true /* clear */, 1); |
aa16508f | 1743 | tables->hardware_errors = g_array_new(false, true /* clear */, 1); |
658c2718 SZ |
1744 | tables->linker = bios_linker_loader_init(); |
1745 | } | |
1746 | ||
1747 | void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) | |
1748 | { | |
8cc87c31 | 1749 | bios_linker_loader_cleanup(tables->linker); |
658c2718 SZ |
1750 | g_array_free(tables->rsdp, true); |
1751 | g_array_free(tables->table_data, true); | |
1752 | g_array_free(tables->tcpalog, mfre); | |
c7809e6c | 1753 | g_array_free(tables->vmgenid, mfre); |
aa16508f | 1754 | g_array_free(tables->hardware_errors, mfre); |
658c2718 | 1755 | } |
243bdb79 | 1756 | |
a46ce1c2 SO |
1757 | /* |
1758 | * ACPI spec 5.2.5.3 Root System Description Pointer (RSDP). | |
1759 | * (Revision 1.0 or later) | |
1760 | */ | |
1761 | void | |
1762 | build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) | |
1763 | { | |
1764 | int tbl_off = tbl->len; /* Table offset in the RSDP file */ | |
1765 | ||
1766 | switch (rsdp_data->revision) { | |
1767 | case 0: | |
1768 | /* With ACPI 1.0, we must have an RSDT pointer */ | |
1769 | g_assert(rsdp_data->rsdt_tbl_offset); | |
1770 | break; | |
1771 | case 2: | |
1772 | /* With ACPI 2.0+, we must have an XSDT pointer */ | |
1773 | g_assert(rsdp_data->xsdt_tbl_offset); | |
1774 | break; | |
1775 | default: | |
1776 | /* Only revisions 0 (ACPI 1.0) and 2 (ACPI 2.0+) are valid for RSDP */ | |
1777 | g_assert_not_reached(); | |
1778 | } | |
1779 | ||
1780 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, | |
1781 | true /* fseg memory */); | |
1782 | ||
1783 | g_array_append_vals(tbl, "RSD PTR ", 8); /* Signature */ | |
1784 | build_append_int_noprefix(tbl, 0, 1); /* Checksum */ | |
1785 | g_array_append_vals(tbl, rsdp_data->oem_id, 6); /* OEMID */ | |
1786 | build_append_int_noprefix(tbl, rsdp_data->revision, 1); /* Revision */ | |
1787 | build_append_int_noprefix(tbl, 0, 4); /* RsdtAddress */ | |
1788 | if (rsdp_data->rsdt_tbl_offset) { | |
1789 | /* RSDT address to be filled by guest linker */ | |
1790 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1791 | tbl_off + 16, 4, | |
1792 | ACPI_BUILD_TABLE_FILE, | |
1793 | *rsdp_data->rsdt_tbl_offset); | |
1794 | } | |
1795 | ||
1796 | /* Checksum to be filled by guest linker */ | |
1797 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1798 | tbl_off, 20, /* ACPI rev 1.0 RSDP size */ | |
1799 | 8); | |
1800 | ||
1801 | if (rsdp_data->revision == 0) { | |
1802 | /* ACPI 1.0 RSDP, we're done */ | |
1803 | return; | |
1804 | } | |
1805 | ||
1806 | build_append_int_noprefix(tbl, 36, 4); /* Length */ | |
1807 | ||
1808 | /* XSDT address to be filled by guest linker */ | |
1809 | build_append_int_noprefix(tbl, 0, 8); /* XsdtAddress */ | |
1810 | /* We already validated our xsdt pointer */ | |
1811 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1812 | tbl_off + 24, 8, | |
1813 | ACPI_BUILD_TABLE_FILE, | |
1814 | *rsdp_data->xsdt_tbl_offset); | |
1815 | ||
1816 | build_append_int_noprefix(tbl, 0, 1); /* Extended Checksum */ | |
1817 | build_append_int_noprefix(tbl, 0, 3); /* Reserved */ | |
1818 | ||
1819 | /* Extended checksum to be filled by Guest linker */ | |
1820 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1821 | tbl_off, 36, /* ACPI rev 2.0 RSDP size */ | |
1822 | 32); | |
1823 | } | |
1824 | ||
243bdb79 SZ |
1825 | /* Build rsdt table */ |
1826 | void | |
0e9b9eda | 1827 | build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, |
51513558 | 1828 | const char *oem_id, const char *oem_table_id) |
243bdb79 | 1829 | { |
243bdb79 | 1830 | int i; |
4678124b IM |
1831 | unsigned rsdt_entries_offset; |
1832 | AcpiRsdtDescriptorRev1 *rsdt; | |
bb9feea4 | 1833 | int rsdt_start = table_data->len; |
4678124b IM |
1834 | const unsigned table_data_len = (sizeof(uint32_t) * table_offsets->len); |
1835 | const unsigned rsdt_entry_size = sizeof(rsdt->table_offset_entry[0]); | |
1836 | const size_t rsdt_len = sizeof(*rsdt) + table_data_len; | |
243bdb79 | 1837 | |
243bdb79 | 1838 | rsdt = acpi_data_push(table_data, rsdt_len); |
4678124b | 1839 | rsdt_entries_offset = (char *)rsdt->table_offset_entry - table_data->data; |
243bdb79 | 1840 | for (i = 0; i < table_offsets->len; ++i) { |
4678124b IM |
1841 | uint32_t ref_tbl_offset = g_array_index(table_offsets, uint32_t, i); |
1842 | uint32_t rsdt_entry_offset = rsdt_entries_offset + rsdt_entry_size * i; | |
1843 | ||
243bdb79 SZ |
1844 | /* rsdt->table_offset_entry to be filled by Guest linker */ |
1845 | bios_linker_loader_add_pointer(linker, | |
4678124b IM |
1846 | ACPI_BUILD_TABLE_FILE, rsdt_entry_offset, rsdt_entry_size, |
1847 | ACPI_BUILD_TABLE_FILE, ref_tbl_offset); | |
243bdb79 SZ |
1848 | } |
1849 | build_header(linker, table_data, | |
bb9feea4 IM |
1850 | (void *)(table_data->data + rsdt_start), |
1851 | "RSDT", rsdt_len, 1, oem_id, oem_table_id); | |
243bdb79 | 1852 | } |
64b83136 | 1853 | |
cb51ac2f AB |
1854 | /* Build xsdt table */ |
1855 | void | |
1856 | build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, | |
1857 | const char *oem_id, const char *oem_table_id) | |
1858 | { | |
1859 | int i; | |
1860 | unsigned xsdt_entries_offset; | |
1861 | AcpiXsdtDescriptorRev2 *xsdt; | |
bb9feea4 | 1862 | int xsdt_start = table_data->len; |
cb51ac2f AB |
1863 | const unsigned table_data_len = (sizeof(uint64_t) * table_offsets->len); |
1864 | const unsigned xsdt_entry_size = sizeof(xsdt->table_offset_entry[0]); | |
1865 | const size_t xsdt_len = sizeof(*xsdt) + table_data_len; | |
1866 | ||
1867 | xsdt = acpi_data_push(table_data, xsdt_len); | |
1868 | xsdt_entries_offset = (char *)xsdt->table_offset_entry - table_data->data; | |
1869 | for (i = 0; i < table_offsets->len; ++i) { | |
1870 | uint64_t ref_tbl_offset = g_array_index(table_offsets, uint32_t, i); | |
1871 | uint64_t xsdt_entry_offset = xsdt_entries_offset + xsdt_entry_size * i; | |
1872 | ||
1873 | /* xsdt->table_offset_entry to be filled by Guest linker */ | |
1874 | bios_linker_loader_add_pointer(linker, | |
1875 | ACPI_BUILD_TABLE_FILE, xsdt_entry_offset, xsdt_entry_size, | |
1876 | ACPI_BUILD_TABLE_FILE, ref_tbl_offset); | |
1877 | } | |
1878 | build_header(linker, table_data, | |
bb9feea4 IM |
1879 | (void *)(table_data->data + xsdt_start), |
1880 | "XSDT", xsdt_len, 1, oem_id, oem_table_id); | |
cb51ac2f AB |
1881 | } |
1882 | ||
64b83136 SZ |
1883 | void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, |
1884 | uint64_t len, int node, MemoryAffinityFlags flags) | |
1885 | { | |
1886 | numamem->type = ACPI_SRAT_MEMORY; | |
1887 | numamem->length = sizeof(*numamem); | |
1888 | numamem->proximity = cpu_to_le32(node); | |
1889 | numamem->flags = cpu_to_le32(flags); | |
1890 | numamem->base_addr = cpu_to_le64(base); | |
1891 | numamem->range_length = cpu_to_le64(len); | |
1892 | } | |
0f203430 HC |
1893 | |
1894 | /* | |
1895 | * ACPI spec 5.2.17 System Locality Distance Information Table | |
1896 | * (Revision 2.0 or later) | |
1897 | */ | |
602b4582 MP |
1898 | void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, |
1899 | const char *oem_id, const char *oem_table_id) | |
0f203430 HC |
1900 | { |
1901 | int slit_start, i, j; | |
1902 | slit_start = table_data->len; | |
aa570207 | 1903 | int nb_numa_nodes = ms->numa_state->num_nodes; |
0f203430 HC |
1904 | |
1905 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); | |
1906 | ||
1907 | build_append_int_noprefix(table_data, nb_numa_nodes, 8); | |
1908 | for (i = 0; i < nb_numa_nodes; i++) { | |
1909 | for (j = 0; j < nb_numa_nodes; j++) { | |
7e721e7b TX |
1910 | assert(ms->numa_state->nodes[i].distance[j]); |
1911 | build_append_int_noprefix(table_data, | |
1912 | ms->numa_state->nodes[i].distance[j], | |
1913 | 1); | |
0f203430 HC |
1914 | } |
1915 | } | |
1916 | ||
1917 | build_header(linker, table_data, | |
1918 | (void *)(table_data->data + slit_start), | |
1919 | "SLIT", | |
602b4582 | 1920 | table_data->len - slit_start, 1, oem_id, oem_table_id); |
0f203430 | 1921 | } |
8612f8bd | 1922 | |
dd1b2037 | 1923 | /* build rev1/rev3/rev5.1 FADT */ |
8612f8bd IM |
1924 | void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, |
1925 | const char *oem_id, const char *oem_table_id) | |
1926 | { | |
1927 | int off; | |
1928 | int fadt_start = tbl->len; | |
1929 | ||
1930 | acpi_data_push(tbl, sizeof(AcpiTableHeader)); | |
1931 | ||
1932 | /* FACS address to be filled by Guest linker at runtime */ | |
1933 | off = tbl->len; | |
1934 | build_append_int_noprefix(tbl, 0, 4); /* FIRMWARE_CTRL */ | |
1935 | if (f->facs_tbl_offset) { /* don't patch if not supported by platform */ | |
1936 | bios_linker_loader_add_pointer(linker, | |
1937 | ACPI_BUILD_TABLE_FILE, off, 4, | |
1938 | ACPI_BUILD_TABLE_FILE, *f->facs_tbl_offset); | |
1939 | } | |
1940 | ||
1941 | /* DSDT address to be filled by Guest linker at runtime */ | |
1942 | off = tbl->len; | |
1943 | build_append_int_noprefix(tbl, 0, 4); /* DSDT */ | |
1944 | if (f->dsdt_tbl_offset) { /* don't patch if not supported by platform */ | |
1945 | bios_linker_loader_add_pointer(linker, | |
1946 | ACPI_BUILD_TABLE_FILE, off, 4, | |
1947 | ACPI_BUILD_TABLE_FILE, *f->dsdt_tbl_offset); | |
1948 | } | |
1949 | ||
1950 | /* ACPI1.0: INT_MODEL, ACPI2.0+: Reserved */ | |
1951 | build_append_int_noprefix(tbl, f->int_model /* Multiple APIC */, 1); | |
1952 | /* Preferred_PM_Profile */ | |
1953 | build_append_int_noprefix(tbl, 0 /* Unspecified */, 1); | |
1954 | build_append_int_noprefix(tbl, f->sci_int, 2); /* SCI_INT */ | |
1955 | build_append_int_noprefix(tbl, f->smi_cmd, 4); /* SMI_CMD */ | |
1956 | build_append_int_noprefix(tbl, f->acpi_enable_cmd, 1); /* ACPI_ENABLE */ | |
1957 | build_append_int_noprefix(tbl, f->acpi_disable_cmd, 1); /* ACPI_DISABLE */ | |
1958 | build_append_int_noprefix(tbl, 0 /* not supported */, 1); /* S4BIOS_REQ */ | |
1959 | /* ACPI1.0: Reserved, ACPI2.0+: PSTATE_CNT */ | |
1960 | build_append_int_noprefix(tbl, 0, 1); | |
1961 | build_append_int_noprefix(tbl, f->pm1a_evt.address, 4); /* PM1a_EVT_BLK */ | |
1962 | build_append_int_noprefix(tbl, 0, 4); /* PM1b_EVT_BLK */ | |
1963 | build_append_int_noprefix(tbl, f->pm1a_cnt.address, 4); /* PM1a_CNT_BLK */ | |
1964 | build_append_int_noprefix(tbl, 0, 4); /* PM1b_CNT_BLK */ | |
1965 | build_append_int_noprefix(tbl, 0, 4); /* PM2_CNT_BLK */ | |
1966 | build_append_int_noprefix(tbl, f->pm_tmr.address, 4); /* PM_TMR_BLK */ | |
1967 | build_append_int_noprefix(tbl, f->gpe0_blk.address, 4); /* GPE0_BLK */ | |
1968 | build_append_int_noprefix(tbl, 0, 4); /* GPE1_BLK */ | |
1969 | /* PM1_EVT_LEN */ | |
1970 | build_append_int_noprefix(tbl, f->pm1a_evt.bit_width / 8, 1); | |
1971 | /* PM1_CNT_LEN */ | |
1972 | build_append_int_noprefix(tbl, f->pm1a_cnt.bit_width / 8, 1); | |
1973 | build_append_int_noprefix(tbl, 0, 1); /* PM2_CNT_LEN */ | |
1974 | build_append_int_noprefix(tbl, f->pm_tmr.bit_width / 8, 1); /* PM_TMR_LEN */ | |
1975 | /* GPE0_BLK_LEN */ | |
1976 | build_append_int_noprefix(tbl, f->gpe0_blk.bit_width / 8, 1); | |
1977 | build_append_int_noprefix(tbl, 0, 1); /* GPE1_BLK_LEN */ | |
1978 | build_append_int_noprefix(tbl, 0, 1); /* GPE1_BASE */ | |
1979 | build_append_int_noprefix(tbl, 0, 1); /* CST_CNT */ | |
1980 | build_append_int_noprefix(tbl, f->plvl2_lat, 2); /* P_LVL2_LAT */ | |
1981 | build_append_int_noprefix(tbl, f->plvl3_lat, 2); /* P_LVL3_LAT */ | |
1982 | build_append_int_noprefix(tbl, 0, 2); /* FLUSH_SIZE */ | |
1983 | build_append_int_noprefix(tbl, 0, 2); /* FLUSH_STRIDE */ | |
1984 | build_append_int_noprefix(tbl, 0, 1); /* DUTY_OFFSET */ | |
1985 | build_append_int_noprefix(tbl, 0, 1); /* DUTY_WIDTH */ | |
1986 | build_append_int_noprefix(tbl, 0, 1); /* DAY_ALRM */ | |
1987 | build_append_int_noprefix(tbl, 0, 1); /* MON_ALRM */ | |
1988 | build_append_int_noprefix(tbl, f->rtc_century, 1); /* CENTURY */ | |
1989 | build_append_int_noprefix(tbl, 0, 2); /* IAPC_BOOT_ARCH */ | |
1990 | build_append_int_noprefix(tbl, 0, 1); /* Reserved */ | |
1991 | build_append_int_noprefix(tbl, f->flags, 4); /* Flags */ | |
1992 | ||
1993 | if (f->rev == 1) { | |
1994 | goto build_hdr; | |
1995 | } | |
1996 | ||
1997 | build_append_gas_from_struct(tbl, &f->reset_reg); /* RESET_REG */ | |
1998 | build_append_int_noprefix(tbl, f->reset_val, 1); /* RESET_VALUE */ | |
dd1b2037 IM |
1999 | /* Since ACPI 5.1 */ |
2000 | if ((f->rev >= 6) || ((f->rev == 5) && f->minor_ver > 0)) { | |
2001 | build_append_int_noprefix(tbl, f->arm_boot_arch, 2); /* ARM_BOOT_ARCH */ | |
2002 | /* FADT Minor Version */ | |
2003 | build_append_int_noprefix(tbl, f->minor_ver, 1); | |
2004 | } else { | |
2005 | build_append_int_noprefix(tbl, 0, 3); /* Reserved upto ACPI 5.0 */ | |
2006 | } | |
8612f8bd IM |
2007 | build_append_int_noprefix(tbl, 0, 8); /* X_FIRMWARE_CTRL */ |
2008 | ||
2009 | /* XDSDT address to be filled by Guest linker at runtime */ | |
2010 | off = tbl->len; | |
2011 | build_append_int_noprefix(tbl, 0, 8); /* X_DSDT */ | |
2012 | if (f->xdsdt_tbl_offset) { | |
2013 | bios_linker_loader_add_pointer(linker, | |
2014 | ACPI_BUILD_TABLE_FILE, off, 8, | |
2015 | ACPI_BUILD_TABLE_FILE, *f->xdsdt_tbl_offset); | |
2016 | } | |
2017 | ||
2018 | build_append_gas_from_struct(tbl, &f->pm1a_evt); /* X_PM1a_EVT_BLK */ | |
2019 | /* X_PM1b_EVT_BLK */ | |
2020 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
2021 | build_append_gas_from_struct(tbl, &f->pm1a_cnt); /* X_PM1a_CNT_BLK */ | |
2022 | /* X_PM1b_CNT_BLK */ | |
2023 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
2024 | /* X_PM2_CNT_BLK */ | |
2025 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); | |
2026 | build_append_gas_from_struct(tbl, &f->pm_tmr); /* X_PM_TMR_BLK */ | |
2027 | build_append_gas_from_struct(tbl, &f->gpe0_blk); /* X_GPE0_BLK */ | |
2028 | build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); /* X_GPE1_BLK */ | |
2029 | ||
dd1b2037 IM |
2030 | if (f->rev <= 4) { |
2031 | goto build_hdr; | |
2032 | } | |
2033 | ||
2034 | /* SLEEP_CONTROL_REG */ | |
c8ed8f57 | 2035 | build_append_gas_from_struct(tbl, &f->sleep_ctl); |
dd1b2037 | 2036 | /* SLEEP_STATUS_REG */ |
c8ed8f57 | 2037 | build_append_gas_from_struct(tbl, &f->sleep_sts); |
dd1b2037 IM |
2038 | |
2039 | /* TODO: extra fields need to be added to support revisions above rev5 */ | |
2040 | assert(f->rev == 5); | |
2041 | ||
8612f8bd IM |
2042 | build_hdr: |
2043 | build_header(linker, tbl, (void *)(tbl->data + fadt_start), | |
2044 | "FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id); | |
2045 | } | |
ef48a8ce | 2046 | |
e27e1e63 EA |
2047 | /* |
2048 | * build_tpm2 - Build the TPM2 table as specified in | |
2049 | * table 7: TCG Hardware Interface Description Table Format for TPM 2.0 | |
2050 | * of TCG ACPI Specification, Family “1.2” and “2.0”, Version 1.2, Rev 8 | |
2051 | */ | |
602b4582 MP |
2052 | void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, |
2053 | const char *oem_id, const char *oem_table_id) | |
43384160 | 2054 | { |
43384160 | 2055 | uint8_t start_method_params[12] = {}; |
e27e1e63 EA |
2056 | unsigned log_addr_offset, tpm2_start; |
2057 | uint64_t control_area_start_address; | |
80bde693 | 2058 | TPMIf *tpmif = tpm_find(); |
e27e1e63 | 2059 | uint32_t start_method; |
e27e1e63 EA |
2060 | |
2061 | tpm2_start = table_data->len; | |
bb9feea4 | 2062 | acpi_data_push(table_data, sizeof(AcpiTableHeader)); |
43384160 | 2063 | |
e27e1e63 | 2064 | /* Platform Class */ |
43384160 | 2065 | build_append_int_noprefix(table_data, TPM2_ACPI_CLASS_CLIENT, 2); |
e27e1e63 | 2066 | /* Reserved */ |
43384160 | 2067 | build_append_int_noprefix(table_data, 0, 2); |
80bde693 | 2068 | if (TPM_IS_TIS_ISA(tpmif) || TPM_IS_TIS_SYSBUS(tpmif)) { |
e27e1e63 EA |
2069 | control_area_start_address = 0; |
2070 | start_method = TPM2_START_METHOD_MMIO; | |
80bde693 | 2071 | } else if (TPM_IS_CRB(tpmif)) { |
e27e1e63 EA |
2072 | control_area_start_address = TPM_CRB_ADDR_CTRL; |
2073 | start_method = TPM2_START_METHOD_CRB; | |
43384160 | 2074 | } else { |
e27e1e63 | 2075 | g_assert_not_reached(); |
43384160 | 2076 | } |
e27e1e63 EA |
2077 | /* Address of Control Area */ |
2078 | build_append_int_noprefix(table_data, control_area_start_address, 8); | |
2079 | /* Start Method */ | |
2080 | build_append_int_noprefix(table_data, start_method, 4); | |
43384160 | 2081 | |
e27e1e63 EA |
2082 | /* Platform Specific Parameters */ |
2083 | g_array_append_vals(table_data, &start_method_params, | |
2084 | ARRAY_SIZE(start_method_params)); | |
43384160 | 2085 | |
e27e1e63 | 2086 | /* Log Area Minimum Length */ |
43384160 EA |
2087 | build_append_int_noprefix(table_data, TPM_LOG_AREA_MINIMUM_SIZE, 4); |
2088 | ||
2089 | acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); | |
2090 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, | |
2091 | false); | |
2092 | ||
e27e1e63 EA |
2093 | log_addr_offset = table_data->len; |
2094 | ||
2095 | /* Log Area Start Address to be filled by Guest linker */ | |
43384160 EA |
2096 | build_append_int_noprefix(table_data, 0, 8); |
2097 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
e27e1e63 | 2098 | log_addr_offset, 8, |
43384160 EA |
2099 | ACPI_BUILD_TPMLOG_FILE, 0); |
2100 | build_header(linker, table_data, | |
bb9feea4 IM |
2101 | (void *)(table_data->data + tpm2_start), |
2102 | "TPM2", table_data->len - tpm2_start, 4, oem_id, oem_table_id); | |
43384160 EA |
2103 | } |
2104 | ||
e41ee855 JC |
2105 | Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset, |
2106 | uint32_t mmio32_offset, uint64_t mmio64_offset, | |
2107 | uint16_t bus_nr_offset) | |
37d5c0a8 YM |
2108 | { |
2109 | Aml *crs = aml_resource_template(); | |
2110 | CrsRangeSet temp_range_set; | |
2111 | CrsRangeEntry *entry; | |
2112 | uint8_t max_bus = pci_bus_num(host->bus); | |
2113 | uint8_t type; | |
2114 | int devfn; | |
2115 | int i; | |
2116 | ||
2117 | crs_range_set_init(&temp_range_set); | |
2118 | for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) { | |
2119 | uint64_t range_base, range_limit; | |
2120 | PCIDevice *dev = host->bus->devices[devfn]; | |
2121 | ||
2122 | if (!dev) { | |
2123 | continue; | |
2124 | } | |
2125 | ||
2126 | for (i = 0; i < PCI_NUM_REGIONS; i++) { | |
2127 | PCIIORegion *r = &dev->io_regions[i]; | |
2128 | ||
2129 | range_base = r->addr; | |
2130 | range_limit = r->addr + r->size - 1; | |
2131 | ||
2132 | /* | |
2133 | * Work-around for old bioses | |
2134 | * that do not support multiple root buses | |
2135 | */ | |
2136 | if (!range_base || range_base > range_limit) { | |
2137 | continue; | |
2138 | } | |
2139 | ||
2140 | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { | |
2141 | crs_range_insert(temp_range_set.io_ranges, | |
2142 | range_base, range_limit); | |
2143 | } else { /* "memory" */ | |
2144 | uint64_t length = range_limit - range_base + 1; | |
2145 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2146 | crs_range_insert(temp_range_set.mem_ranges, range_base, | |
2147 | range_limit); | |
2148 | } else { | |
2149 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2150 | range_base, range_limit); | |
2151 | } | |
2152 | } | |
2153 | } | |
2154 | ||
2155 | type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; | |
2156 | if (type == PCI_HEADER_TYPE_BRIDGE) { | |
2157 | uint8_t subordinate = dev->config[PCI_SUBORDINATE_BUS]; | |
2158 | if (subordinate > max_bus) { | |
2159 | max_bus = subordinate; | |
2160 | } | |
2161 | ||
2162 | range_base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
2163 | range_limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO); | |
2164 | ||
2165 | /* | |
2166 | * Work-around for old bioses | |
2167 | * that do not support multiple root buses | |
2168 | */ | |
2169 | if (range_base && range_base <= range_limit) { | |
2170 | crs_range_insert(temp_range_set.io_ranges, | |
2171 | range_base, range_limit); | |
2172 | } | |
2173 | ||
2174 | range_base = | |
2175 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
2176 | range_limit = | |
2177 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY); | |
2178 | ||
2179 | /* | |
2180 | * Work-around for old bioses | |
2181 | * that do not support multiple root buses | |
2182 | */ | |
2183 | if (range_base && range_base <= range_limit) { | |
2184 | uint64_t length = range_limit - range_base + 1; | |
2185 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2186 | crs_range_insert(temp_range_set.mem_ranges, | |
2187 | range_base, range_limit); | |
2188 | } else { | |
2189 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2190 | range_base, range_limit); | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | range_base = | |
2195 | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
2196 | range_limit = | |
2197 | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH); | |
2198 | ||
2199 | /* | |
2200 | * Work-around for old bioses | |
2201 | * that do not support multiple root buses | |
2202 | */ | |
2203 | if (range_base && range_base <= range_limit) { | |
2204 | uint64_t length = range_limit - range_base + 1; | |
2205 | if (range_limit <= UINT32_MAX && length <= UINT32_MAX) { | |
2206 | crs_range_insert(temp_range_set.mem_ranges, | |
2207 | range_base, range_limit); | |
2208 | } else { | |
2209 | crs_range_insert(temp_range_set.mem_64bit_ranges, | |
2210 | range_base, range_limit); | |
2211 | } | |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | crs_range_merge(temp_range_set.io_ranges); | |
2217 | for (i = 0; i < temp_range_set.io_ranges->len; i++) { | |
2218 | entry = g_ptr_array_index(temp_range_set.io_ranges, i); | |
2219 | aml_append(crs, | |
e41ee855 JC |
2220 | aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, |
2221 | AML_POS_DECODE, AML_ENTIRE_RANGE, | |
2222 | 0, entry->base, entry->limit, io_offset, | |
2223 | entry->limit - entry->base + 1)); | |
37d5c0a8 YM |
2224 | crs_range_insert(range_set->io_ranges, entry->base, entry->limit); |
2225 | } | |
2226 | ||
2227 | crs_range_merge(temp_range_set.mem_ranges); | |
2228 | for (i = 0; i < temp_range_set.mem_ranges->len; i++) { | |
2229 | entry = g_ptr_array_index(temp_range_set.mem_ranges, i); | |
2230 | assert(entry->limit <= UINT32_MAX && | |
2231 | (entry->limit - entry->base + 1) <= UINT32_MAX); | |
2232 | aml_append(crs, | |
2233 | aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
2234 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
2235 | AML_READ_WRITE, | |
e41ee855 | 2236 | 0, entry->base, entry->limit, mmio32_offset, |
37d5c0a8 YM |
2237 | entry->limit - entry->base + 1)); |
2238 | crs_range_insert(range_set->mem_ranges, entry->base, entry->limit); | |
2239 | } | |
2240 | ||
2241 | crs_range_merge(temp_range_set.mem_64bit_ranges); | |
2242 | for (i = 0; i < temp_range_set.mem_64bit_ranges->len; i++) { | |
2243 | entry = g_ptr_array_index(temp_range_set.mem_64bit_ranges, i); | |
2244 | aml_append(crs, | |
2245 | aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, | |
2246 | AML_MAX_FIXED, AML_NON_CACHEABLE, | |
2247 | AML_READ_WRITE, | |
e41ee855 | 2248 | 0, entry->base, entry->limit, mmio64_offset, |
37d5c0a8 YM |
2249 | entry->limit - entry->base + 1)); |
2250 | crs_range_insert(range_set->mem_64bit_ranges, | |
2251 | entry->base, entry->limit); | |
2252 | } | |
2253 | ||
2254 | crs_range_set_free(&temp_range_set); | |
2255 | ||
2256 | aml_append(crs, | |
2257 | aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, | |
2258 | 0, | |
2259 | pci_bus_num(host->bus), | |
2260 | max_bus, | |
e41ee855 | 2261 | bus_nr_offset, |
37d5c0a8 YM |
2262 | max_bus - pci_bus_num(host->bus) + 1)); |
2263 | ||
2264 | return crs; | |
2265 | } | |
2266 | ||
ef48a8ce CM |
2267 | /* ACPI 5.0: 6.4.3.8.2 Serial Bus Connection Descriptors */ |
2268 | static Aml *aml_serial_bus_device(uint8_t serial_bus_type, uint8_t flags, | |
2269 | uint16_t type_flags, | |
2270 | uint8_t revid, uint16_t data_length, | |
2271 | uint16_t resource_source_len) | |
2272 | { | |
2273 | Aml *var = aml_alloc(); | |
2274 | uint16_t length = data_length + resource_source_len + 9; | |
2275 | ||
2276 | build_append_byte(var->buf, 0x8e); /* Serial Bus Connection Descriptor */ | |
2277 | build_append_int_noprefix(var->buf, length, sizeof(length)); | |
2278 | build_append_byte(var->buf, 1); /* Revision ID */ | |
2279 | build_append_byte(var->buf, 0); /* Resource Source Index */ | |
2280 | build_append_byte(var->buf, serial_bus_type); /* Serial Bus Type */ | |
2281 | build_append_byte(var->buf, flags); /* General Flags */ | |
2282 | build_append_int_noprefix(var->buf, type_flags, /* Type Specific Flags */ | |
2283 | sizeof(type_flags)); | |
2284 | build_append_byte(var->buf, revid); /* Type Specification Revision ID */ | |
2285 | build_append_int_noprefix(var->buf, data_length, sizeof(data_length)); | |
2286 | ||
2287 | return var; | |
2288 | } | |
2289 | ||
2290 | /* ACPI 5.0: 6.4.3.8.2.1 I2C Serial Bus Connection Resource Descriptor */ | |
2291 | Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source) | |
2292 | { | |
2293 | uint16_t resource_source_len = strlen(resource_source) + 1; | |
2294 | Aml *var = aml_serial_bus_device(AML_SERIAL_BUS_TYPE_I2C, 0, 0, 1, | |
2295 | 6, resource_source_len); | |
2296 | ||
2297 | /* Connection Speed. Just set to 100K for now, it doesn't really matter. */ | |
2298 | build_append_int_noprefix(var->buf, 100000, 4); | |
2299 | build_append_int_noprefix(var->buf, address, sizeof(address)); | |
2300 | ||
2301 | /* This is a string, not a name, so just copy it directly in. */ | |
2302 | g_array_append_vals(var->buf, resource_source, resource_source_len); | |
2303 | ||
2304 | return var; | |
2305 | } |