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72c194f7 MT |
1 | /* Support for generating ACPI tables and passing them to Guests |
2 | * | |
3 | * Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net> | |
4 | * Copyright (C) 2006 Fabrice Bellard | |
5 | * Copyright (C) 2013 Red Hat Inc | |
6 | * | |
7 | * Author: Michael S. Tsirkin <mst@redhat.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | ||
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | ||
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #include "acpi-build.h" | |
24 | #include <stddef.h> | |
25 | #include <glib.h> | |
26 | #include "qemu-common.h" | |
27 | #include "qemu/bitmap.h" | |
07fb6176 | 28 | #include "qemu/osdep.h" |
72c194f7 | 29 | #include "qemu/range.h" |
07fb6176 | 30 | #include "qemu/error-report.h" |
72c194f7 MT |
31 | #include "hw/pci/pci.h" |
32 | #include "qom/cpu.h" | |
33 | #include "hw/i386/pc.h" | |
34 | #include "target-i386/cpu.h" | |
35 | #include "hw/timer/hpet.h" | |
36 | #include "hw/i386/acpi-defs.h" | |
37 | #include "hw/acpi/acpi.h" | |
38 | #include "hw/nvram/fw_cfg.h" | |
39 | #include "bios-linker-loader.h" | |
40 | #include "hw/loader.h" | |
15bce1b7 | 41 | #include "hw/isa/isa.h" |
bef3492d | 42 | #include "hw/acpi/memory_hotplug.h" |
711b20b4 SB |
43 | #include "sysemu/tpm.h" |
44 | #include "hw/acpi/tpm.h" | |
72c194f7 MT |
45 | |
46 | /* Supported chipsets: */ | |
47 | #include "hw/acpi/piix4.h" | |
99fd437d | 48 | #include "hw/acpi/pcihp.h" |
72c194f7 MT |
49 | #include "hw/i386/ich9.h" |
50 | #include "hw/pci/pci_bus.h" | |
51 | #include "hw/pci-host/q35.h" | |
d4eb9119 | 52 | #include "hw/i386/intel_iommu.h" |
72c194f7 MT |
53 | |
54 | #include "hw/i386/q35-acpi-dsdt.hex" | |
55 | #include "hw/i386/acpi-dsdt.hex" | |
56 | ||
57 | #include "qapi/qmp/qint.h" | |
58 | #include "qom/qom-qobject.h" | |
ad5b88b1 | 59 | #include "exec/ram_addr.h" |
72c194f7 | 60 | |
07fb6176 PB |
61 | /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and |
62 | * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows | |
63 | * a little bit, there should be plenty of free space since the DSDT | |
64 | * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1. | |
65 | */ | |
66 | #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97 | |
67 | #define ACPI_BUILD_ALIGN_SIZE 0x1000 | |
68 | ||
868270f2 | 69 | #define ACPI_BUILD_TABLE_SIZE 0x20000 |
18045fb9 | 70 | |
72c194f7 | 71 | typedef struct AcpiCpuInfo { |
798325ed | 72 | DECLARE_BITMAP(found_cpus, ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
73 | } AcpiCpuInfo; |
74 | ||
75 | typedef struct AcpiMcfgInfo { | |
76 | uint64_t mcfg_base; | |
77 | uint32_t mcfg_size; | |
78 | } AcpiMcfgInfo; | |
79 | ||
80 | typedef struct AcpiPmInfo { | |
81 | bool s3_disabled; | |
82 | bool s4_disabled; | |
133a2da4 | 83 | bool pcihp_bridge_en; |
72c194f7 MT |
84 | uint8_t s4_val; |
85 | uint16_t sci_int; | |
86 | uint8_t acpi_enable_cmd; | |
87 | uint8_t acpi_disable_cmd; | |
88 | uint32_t gpe0_blk; | |
89 | uint32_t gpe0_blk_len; | |
90 | uint32_t io_base; | |
91 | } AcpiPmInfo; | |
92 | ||
93 | typedef struct AcpiMiscInfo { | |
94 | bool has_hpet; | |
711b20b4 | 95 | bool has_tpm; |
72c194f7 MT |
96 | DECLARE_BITMAP(slot_hotplug_enable, PCI_SLOT_MAX); |
97 | const unsigned char *dsdt_code; | |
98 | unsigned dsdt_size; | |
99 | uint16_t pvpanic_port; | |
100 | } AcpiMiscInfo; | |
101 | ||
99fd437d MT |
102 | typedef struct AcpiBuildPciBusHotplugState { |
103 | GArray *device_table; | |
104 | GArray *notify_table; | |
105 | struct AcpiBuildPciBusHotplugState *parent; | |
133a2da4 | 106 | bool pcihp_bridge_en; |
99fd437d MT |
107 | } AcpiBuildPciBusHotplugState; |
108 | ||
72c194f7 MT |
109 | static void acpi_get_dsdt(AcpiMiscInfo *info) |
110 | { | |
8977557a | 111 | uint16_t *applesmc_sta; |
72c194f7 MT |
112 | Object *piix = piix4_pm_find(); |
113 | Object *lpc = ich9_lpc_find(); | |
114 | assert(!!piix != !!lpc); | |
115 | ||
116 | if (piix) { | |
117 | info->dsdt_code = AcpiDsdtAmlCode; | |
118 | info->dsdt_size = sizeof AcpiDsdtAmlCode; | |
8977557a | 119 | applesmc_sta = piix_dsdt_applesmc_sta; |
72c194f7 MT |
120 | } |
121 | if (lpc) { | |
122 | info->dsdt_code = Q35AcpiDsdtAmlCode; | |
123 | info->dsdt_size = sizeof Q35AcpiDsdtAmlCode; | |
8977557a | 124 | applesmc_sta = q35_dsdt_applesmc_sta; |
72c194f7 | 125 | } |
15bce1b7 GS |
126 | |
127 | /* Patch in appropriate value for AppleSMC _STA */ | |
8977557a GS |
128 | *(uint8_t *)(info->dsdt_code + *applesmc_sta) = |
129 | applesmc_find() ? 0x0b : 0x00; | |
72c194f7 MT |
130 | } |
131 | ||
132 | static | |
133 | int acpi_add_cpu_info(Object *o, void *opaque) | |
134 | { | |
135 | AcpiCpuInfo *cpu = opaque; | |
136 | uint64_t apic_id; | |
137 | ||
138 | if (object_dynamic_cast(o, TYPE_CPU)) { | |
139 | apic_id = object_property_get_int(o, "apic-id", NULL); | |
798325ed | 140 | assert(apic_id < ACPI_CPU_HOTPLUG_ID_LIMIT); |
72c194f7 MT |
141 | |
142 | set_bit(apic_id, cpu->found_cpus); | |
143 | } | |
144 | ||
145 | object_child_foreach(o, acpi_add_cpu_info, opaque); | |
146 | return 0; | |
147 | } | |
148 | ||
149 | static void acpi_get_cpu_info(AcpiCpuInfo *cpu) | |
150 | { | |
151 | Object *root = object_get_root(); | |
152 | ||
153 | memset(cpu->found_cpus, 0, sizeof cpu->found_cpus); | |
154 | object_child_foreach(root, acpi_add_cpu_info, cpu); | |
155 | } | |
156 | ||
157 | static void acpi_get_pm_info(AcpiPmInfo *pm) | |
158 | { | |
159 | Object *piix = piix4_pm_find(); | |
160 | Object *lpc = ich9_lpc_find(); | |
161 | Object *obj = NULL; | |
162 | QObject *o; | |
163 | ||
164 | if (piix) { | |
165 | obj = piix; | |
166 | } | |
167 | if (lpc) { | |
168 | obj = lpc; | |
169 | } | |
170 | assert(obj); | |
171 | ||
172 | /* Fill in optional s3/s4 related properties */ | |
173 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); | |
174 | if (o) { | |
175 | pm->s3_disabled = qint_get_int(qobject_to_qint(o)); | |
176 | } else { | |
177 | pm->s3_disabled = false; | |
178 | } | |
097a97a6 | 179 | qobject_decref(o); |
72c194f7 MT |
180 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL); |
181 | if (o) { | |
182 | pm->s4_disabled = qint_get_int(qobject_to_qint(o)); | |
183 | } else { | |
184 | pm->s4_disabled = false; | |
185 | } | |
097a97a6 | 186 | qobject_decref(o); |
72c194f7 MT |
187 | o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL); |
188 | if (o) { | |
189 | pm->s4_val = qint_get_int(qobject_to_qint(o)); | |
190 | } else { | |
191 | pm->s4_val = false; | |
192 | } | |
097a97a6 | 193 | qobject_decref(o); |
72c194f7 MT |
194 | |
195 | /* Fill in mandatory properties */ | |
196 | pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL); | |
197 | ||
198 | pm->acpi_enable_cmd = object_property_get_int(obj, | |
199 | ACPI_PM_PROP_ACPI_ENABLE_CMD, | |
200 | NULL); | |
201 | pm->acpi_disable_cmd = object_property_get_int(obj, | |
202 | ACPI_PM_PROP_ACPI_DISABLE_CMD, | |
203 | NULL); | |
204 | pm->io_base = object_property_get_int(obj, ACPI_PM_PROP_PM_IO_BASE, | |
205 | NULL); | |
206 | pm->gpe0_blk = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK, | |
207 | NULL); | |
208 | pm->gpe0_blk_len = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK_LEN, | |
209 | NULL); | |
133a2da4 IM |
210 | pm->pcihp_bridge_en = |
211 | object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support", | |
212 | NULL); | |
72c194f7 MT |
213 | } |
214 | ||
72c194f7 MT |
215 | static void acpi_get_misc_info(AcpiMiscInfo *info) |
216 | { | |
217 | info->has_hpet = hpet_find(); | |
711b20b4 | 218 | info->has_tpm = tpm_find(); |
72c194f7 MT |
219 | info->pvpanic_port = pvpanic_port(); |
220 | } | |
221 | ||
222 | static void acpi_get_pci_info(PcPciInfo *info) | |
223 | { | |
224 | Object *pci_host; | |
225 | bool ambiguous; | |
226 | ||
227 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
228 | g_assert(!ambiguous); | |
229 | g_assert(pci_host); | |
230 | ||
231 | info->w32.begin = object_property_get_int(pci_host, | |
232 | PCI_HOST_PROP_PCI_HOLE_START, | |
233 | NULL); | |
234 | info->w32.end = object_property_get_int(pci_host, | |
235 | PCI_HOST_PROP_PCI_HOLE_END, | |
236 | NULL); | |
237 | info->w64.begin = object_property_get_int(pci_host, | |
238 | PCI_HOST_PROP_PCI_HOLE64_START, | |
239 | NULL); | |
240 | info->w64.end = object_property_get_int(pci_host, | |
241 | PCI_HOST_PROP_PCI_HOLE64_END, | |
242 | NULL); | |
243 | } | |
244 | ||
245 | #define ACPI_BUILD_APPNAME "Bochs" | |
246 | #define ACPI_BUILD_APPNAME6 "BOCHS " | |
247 | #define ACPI_BUILD_APPNAME4 "BXPC" | |
248 | ||
249 | #define ACPI_BUILD_DPRINTF(level, fmt, ...) do {} while (0) | |
250 | ||
251 | #define ACPI_BUILD_TABLE_FILE "etc/acpi/tables" | |
252 | #define ACPI_BUILD_RSDP_FILE "etc/acpi/rsdp" | |
42a5b308 | 253 | #define ACPI_BUILD_TPMLOG_FILE "etc/tpm/log" |
72c194f7 MT |
254 | |
255 | static void | |
256 | build_header(GArray *linker, GArray *table_data, | |
821e3227 | 257 | AcpiTableHeader *h, const char *sig, int len, uint8_t rev) |
72c194f7 | 258 | { |
821e3227 | 259 | memcpy(&h->signature, sig, 4); |
72c194f7 MT |
260 | h->length = cpu_to_le32(len); |
261 | h->revision = rev; | |
262 | memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); | |
263 | memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); | |
821e3227 | 264 | memcpy(h->oem_table_id + 4, sig, 4); |
72c194f7 MT |
265 | h->oem_revision = cpu_to_le32(1); |
266 | memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); | |
267 | h->asl_compiler_revision = cpu_to_le32(1); | |
268 | h->checksum = 0; | |
269 | /* Checksum to be filled in by Guest linker */ | |
270 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE, | |
271 | table_data->data, h, len, &h->checksum); | |
272 | } | |
273 | ||
274 | static inline GArray *build_alloc_array(void) | |
275 | { | |
fcf55f58 | 276 | return g_array_new(false, true /* clear */, 1); |
72c194f7 MT |
277 | } |
278 | ||
279 | static inline void build_free_array(GArray *array) | |
280 | { | |
fcf55f58 | 281 | g_array_free(array, true); |
72c194f7 MT |
282 | } |
283 | ||
284 | static inline void build_prepend_byte(GArray *array, uint8_t val) | |
285 | { | |
286 | g_array_prepend_val(array, val); | |
287 | } | |
288 | ||
289 | static inline void build_append_byte(GArray *array, uint8_t val) | |
290 | { | |
291 | g_array_append_val(array, val); | |
292 | } | |
293 | ||
294 | static inline void build_append_array(GArray *array, GArray *val) | |
295 | { | |
296 | g_array_append_vals(array, val->data, val->len); | |
297 | } | |
298 | ||
867d898c SW |
299 | static void GCC_FMT_ATTR(2, 3) |
300 | build_append_nameseg(GArray *array, const char *format, ...) | |
72c194f7 | 301 | { |
542da88f MT |
302 | /* It would be nicer to use g_string_vprintf but it's only there in 2.22 */ |
303 | char s[] = "XXXX"; | |
304 | int len; | |
72c194f7 MT |
305 | va_list args; |
306 | ||
307 | va_start(args, format); | |
542da88f | 308 | len = vsnprintf(s, sizeof s, format, args); |
72c194f7 MT |
309 | va_end(args); |
310 | ||
542da88f MT |
311 | assert(len == 4); |
312 | g_array_append_vals(array, s, len); | |
72c194f7 MT |
313 | } |
314 | ||
315 | /* 5.4 Definition Block Encoding */ | |
316 | enum { | |
317 | PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */ | |
318 | PACKAGE_LENGTH_2BYTE_SHIFT = 4, | |
319 | PACKAGE_LENGTH_3BYTE_SHIFT = 12, | |
320 | PACKAGE_LENGTH_4BYTE_SHIFT = 20, | |
321 | }; | |
322 | ||
323 | static void build_prepend_package_length(GArray *package, unsigned min_bytes) | |
324 | { | |
325 | uint8_t byte; | |
326 | unsigned length = package->len; | |
327 | unsigned length_bytes; | |
328 | ||
329 | if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) { | |
330 | length_bytes = 1; | |
331 | } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) { | |
332 | length_bytes = 2; | |
333 | } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) { | |
334 | length_bytes = 3; | |
335 | } else { | |
336 | length_bytes = 4; | |
337 | } | |
338 | ||
339 | /* Force length to at least min_bytes. | |
340 | * This wastes memory but that's how bios did it. | |
341 | */ | |
342 | length_bytes = MAX(length_bytes, min_bytes); | |
343 | ||
344 | /* PkgLength is the length of the inclusive length of the data. */ | |
345 | length += length_bytes; | |
346 | ||
347 | switch (length_bytes) { | |
348 | case 1: | |
349 | byte = length; | |
350 | build_prepend_byte(package, byte); | |
351 | return; | |
352 | case 4: | |
353 | byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT; | |
354 | build_prepend_byte(package, byte); | |
355 | length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1; | |
356 | /* fall through */ | |
357 | case 3: | |
358 | byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT; | |
359 | build_prepend_byte(package, byte); | |
360 | length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1; | |
361 | /* fall through */ | |
362 | case 2: | |
363 | byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT; | |
364 | build_prepend_byte(package, byte); | |
365 | length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1; | |
366 | /* fall through */ | |
367 | } | |
368 | /* | |
369 | * Most significant two bits of byte zero indicate how many following bytes | |
370 | * are in PkgLength encoding. | |
371 | */ | |
372 | byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length; | |
373 | build_prepend_byte(package, byte); | |
374 | } | |
375 | ||
376 | static void build_package(GArray *package, uint8_t op, unsigned min_bytes) | |
377 | { | |
378 | build_prepend_package_length(package, min_bytes); | |
379 | build_prepend_byte(package, op); | |
380 | } | |
381 | ||
99fd437d MT |
382 | static void build_extop_package(GArray *package, uint8_t op) |
383 | { | |
384 | build_package(package, op, 1); | |
385 | build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ | |
386 | } | |
387 | ||
72c194f7 MT |
388 | static void build_append_value(GArray *table, uint32_t value, int size) |
389 | { | |
390 | uint8_t prefix; | |
391 | int i; | |
392 | ||
393 | switch (size) { | |
394 | case 1: | |
395 | prefix = 0x0A; /* BytePrefix */ | |
396 | break; | |
397 | case 2: | |
398 | prefix = 0x0B; /* WordPrefix */ | |
399 | break; | |
400 | case 4: | |
401 | prefix = 0x0C; /* DWordPrefix */ | |
402 | break; | |
403 | default: | |
404 | assert(0); | |
405 | return; | |
406 | } | |
407 | build_append_byte(table, prefix); | |
408 | for (i = 0; i < size; ++i) { | |
409 | build_append_byte(table, value & 0xFF); | |
410 | value = value >> 8; | |
411 | } | |
412 | } | |
413 | ||
99fd437d MT |
414 | static void build_append_int(GArray *table, uint32_t value) |
415 | { | |
416 | if (value == 0x00) { | |
417 | build_append_byte(table, 0x00); /* ZeroOp */ | |
418 | } else if (value == 0x01) { | |
419 | build_append_byte(table, 0x01); /* OneOp */ | |
420 | } else if (value <= 0xFF) { | |
421 | build_append_value(table, value, 1); | |
482f38b9 | 422 | } else if (value <= 0xFFFF) { |
99fd437d MT |
423 | build_append_value(table, value, 2); |
424 | } else { | |
425 | build_append_value(table, value, 4); | |
426 | } | |
427 | } | |
428 | ||
429 | static GArray *build_alloc_method(const char *name, uint8_t arg_count) | |
430 | { | |
431 | GArray *method = build_alloc_array(); | |
432 | ||
433 | build_append_nameseg(method, "%s", name); | |
434 | build_append_byte(method, arg_count); /* MethodFlags: ArgCount */ | |
435 | ||
436 | return method; | |
437 | } | |
438 | ||
439 | static void build_append_and_cleanup_method(GArray *device, GArray *method) | |
440 | { | |
441 | uint8_t op = 0x14; /* MethodOp */ | |
442 | ||
443 | build_package(method, op, 0); | |
444 | ||
445 | build_append_array(device, method); | |
446 | build_free_array(method); | |
447 | } | |
448 | ||
449 | static void build_append_notify_target_ifequal(GArray *method, | |
450 | GArray *target_name, | |
451 | uint32_t value, int size) | |
72c194f7 MT |
452 | { |
453 | GArray *notify = build_alloc_array(); | |
454 | uint8_t op = 0xA0; /* IfOp */ | |
455 | ||
456 | build_append_byte(notify, 0x93); /* LEqualOp */ | |
457 | build_append_byte(notify, 0x68); /* Arg0Op */ | |
458 | build_append_value(notify, value, size); | |
459 | build_append_byte(notify, 0x86); /* NotifyOp */ | |
460 | build_append_array(notify, target_name); | |
461 | build_append_byte(notify, 0x69); /* Arg1Op */ | |
462 | ||
463 | /* Pack it up */ | |
464 | build_package(notify, op, 1); | |
465 | ||
466 | build_append_array(method, notify); | |
467 | ||
468 | build_free_array(notify); | |
469 | } | |
470 | ||
99fd437d | 471 | /* End here */ |
72c194f7 MT |
472 | #define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */ |
473 | ||
474 | static inline void *acpi_data_push(GArray *table_data, unsigned size) | |
475 | { | |
476 | unsigned off = table_data->len; | |
477 | g_array_set_size(table_data, off + size); | |
478 | return table_data->data + off; | |
479 | } | |
480 | ||
481 | static unsigned acpi_data_len(GArray *table) | |
482 | { | |
134d42d6 | 483 | #if GLIB_CHECK_VERSION(2, 22, 0) |
b15654c2 MT |
484 | assert(g_array_get_element_size(table) == 1); |
485 | #endif | |
486 | return table->len; | |
72c194f7 MT |
487 | } |
488 | ||
489 | static void acpi_align_size(GArray *blob, unsigned align) | |
490 | { | |
491 | /* Align size to multiple of given size. This reduces the chance | |
492 | * we need to change size in the future (breaking cross version migration). | |
493 | */ | |
134d42d6 | 494 | g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align)); |
72c194f7 MT |
495 | } |
496 | ||
b4e5a4bf MT |
497 | /* Set a value within table in a safe manner */ |
498 | #define ACPI_BUILD_SET_LE(table, size, off, bits, val) \ | |
499 | do { \ | |
500 | uint64_t ACPI_BUILD_SET_LE_val = cpu_to_le64(val); \ | |
501 | memcpy(acpi_data_get_ptr(table, size, off, \ | |
502 | (bits) / BITS_PER_BYTE), \ | |
503 | &ACPI_BUILD_SET_LE_val, \ | |
504 | (bits) / BITS_PER_BYTE); \ | |
505 | } while (0) | |
72c194f7 MT |
506 | |
507 | static inline void *acpi_data_get_ptr(uint8_t *table_data, unsigned table_size, | |
508 | unsigned off, unsigned size) | |
509 | { | |
510 | assert(off + size > off); | |
511 | assert(off + size <= table_size); | |
512 | return table_data + off; | |
513 | } | |
514 | ||
515 | static inline void acpi_add_table(GArray *table_offsets, GArray *table_data) | |
516 | { | |
517 | uint32_t offset = cpu_to_le32(table_data->len); | |
518 | g_array_append_val(table_offsets, offset); | |
519 | } | |
520 | ||
521 | /* FACS */ | |
522 | static void | |
523 | build_facs(GArray *table_data, GArray *linker, PcGuestInfo *guest_info) | |
524 | { | |
525 | AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs); | |
821e3227 | 526 | memcpy(&facs->signature, "FACS", 4); |
72c194f7 MT |
527 | facs->length = cpu_to_le32(sizeof(*facs)); |
528 | } | |
529 | ||
530 | /* Load chipset information in FADT */ | |
531 | static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm) | |
532 | { | |
533 | fadt->model = 1; | |
534 | fadt->reserved1 = 0; | |
535 | fadt->sci_int = cpu_to_le16(pm->sci_int); | |
536 | fadt->smi_cmd = cpu_to_le32(ACPI_PORT_SMI_CMD); | |
537 | fadt->acpi_enable = pm->acpi_enable_cmd; | |
538 | fadt->acpi_disable = pm->acpi_disable_cmd; | |
539 | /* EVT, CNT, TMR offset matches hw/acpi/core.c */ | |
540 | fadt->pm1a_evt_blk = cpu_to_le32(pm->io_base); | |
541 | fadt->pm1a_cnt_blk = cpu_to_le32(pm->io_base + 0x04); | |
542 | fadt->pm_tmr_blk = cpu_to_le32(pm->io_base + 0x08); | |
543 | fadt->gpe0_blk = cpu_to_le32(pm->gpe0_blk); | |
544 | /* EVT, CNT, TMR length matches hw/acpi/core.c */ | |
545 | fadt->pm1_evt_len = 4; | |
546 | fadt->pm1_cnt_len = 2; | |
547 | fadt->pm_tmr_len = 4; | |
548 | fadt->gpe0_blk_len = pm->gpe0_blk_len; | |
549 | fadt->plvl2_lat = cpu_to_le16(0xfff); /* C2 state not supported */ | |
550 | fadt->plvl3_lat = cpu_to_le16(0xfff); /* C3 state not supported */ | |
551 | fadt->flags = cpu_to_le32((1 << ACPI_FADT_F_WBINVD) | | |
552 | (1 << ACPI_FADT_F_PROC_C1) | | |
553 | (1 << ACPI_FADT_F_SLP_BUTTON) | | |
554 | (1 << ACPI_FADT_F_RTC_S4)); | |
555 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_USE_PLATFORM_CLOCK); | |
07b81ed9 HZ |
556 | /* APIC destination mode ("Flat Logical") has an upper limit of 8 CPUs |
557 | * For more than 8 CPUs, "Clustered Logical" mode has to be used | |
558 | */ | |
559 | if (max_cpus > 8) { | |
560 | fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); | |
561 | } | |
72c194f7 MT |
562 | } |
563 | ||
564 | ||
565 | /* FADT */ | |
566 | static void | |
567 | build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm, | |
568 | unsigned facs, unsigned dsdt) | |
569 | { | |
570 | AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt)); | |
571 | ||
572 | fadt->firmware_ctrl = cpu_to_le32(facs); | |
573 | /* FACS address to be filled by Guest linker */ | |
574 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
575 | ACPI_BUILD_TABLE_FILE, | |
576 | table_data, &fadt->firmware_ctrl, | |
577 | sizeof fadt->firmware_ctrl); | |
578 | ||
579 | fadt->dsdt = cpu_to_le32(dsdt); | |
580 | /* DSDT address to be filled by Guest linker */ | |
581 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
582 | ACPI_BUILD_TABLE_FILE, | |
583 | table_data, &fadt->dsdt, | |
584 | sizeof fadt->dsdt); | |
585 | ||
586 | fadt_setup(fadt, pm); | |
587 | ||
588 | build_header(linker, table_data, | |
821e3227 | 589 | (void *)fadt, "FACP", sizeof(*fadt), 1); |
72c194f7 MT |
590 | } |
591 | ||
592 | static void | |
593 | build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu, | |
594 | PcGuestInfo *guest_info) | |
595 | { | |
596 | int madt_start = table_data->len; | |
597 | ||
598 | AcpiMultipleApicTable *madt; | |
599 | AcpiMadtIoApic *io_apic; | |
600 | AcpiMadtIntsrcovr *intsrcovr; | |
601 | AcpiMadtLocalNmi *local_nmi; | |
602 | int i; | |
603 | ||
604 | madt = acpi_data_push(table_data, sizeof *madt); | |
605 | madt->local_apic_address = cpu_to_le32(APIC_DEFAULT_ADDRESS); | |
606 | madt->flags = cpu_to_le32(1); | |
607 | ||
608 | for (i = 0; i < guest_info->apic_id_limit; i++) { | |
609 | AcpiMadtProcessorApic *apic = acpi_data_push(table_data, sizeof *apic); | |
610 | apic->type = ACPI_APIC_PROCESSOR; | |
611 | apic->length = sizeof(*apic); | |
612 | apic->processor_id = i; | |
613 | apic->local_apic_id = i; | |
614 | if (test_bit(i, cpu->found_cpus)) { | |
615 | apic->flags = cpu_to_le32(1); | |
616 | } else { | |
617 | apic->flags = cpu_to_le32(0); | |
618 | } | |
619 | } | |
620 | io_apic = acpi_data_push(table_data, sizeof *io_apic); | |
621 | io_apic->type = ACPI_APIC_IO; | |
622 | io_apic->length = sizeof(*io_apic); | |
623 | #define ACPI_BUILD_IOAPIC_ID 0x0 | |
624 | io_apic->io_apic_id = ACPI_BUILD_IOAPIC_ID; | |
625 | io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS); | |
626 | io_apic->interrupt = cpu_to_le32(0); | |
627 | ||
628 | if (guest_info->apic_xrupt_override) { | |
629 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
630 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
631 | intsrcovr->length = sizeof(*intsrcovr); | |
632 | intsrcovr->source = 0; | |
633 | intsrcovr->gsi = cpu_to_le32(2); | |
634 | intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */ | |
635 | } | |
636 | for (i = 1; i < 16; i++) { | |
637 | #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) | |
638 | if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) { | |
639 | /* No need for a INT source override structure. */ | |
640 | continue; | |
641 | } | |
642 | intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); | |
643 | intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; | |
644 | intsrcovr->length = sizeof(*intsrcovr); | |
645 | intsrcovr->source = i; | |
646 | intsrcovr->gsi = cpu_to_le32(i); | |
647 | intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */ | |
648 | } | |
649 | ||
650 | local_nmi = acpi_data_push(table_data, sizeof *local_nmi); | |
651 | local_nmi->type = ACPI_APIC_LOCAL_NMI; | |
652 | local_nmi->length = sizeof(*local_nmi); | |
653 | local_nmi->processor_id = 0xff; /* all processors */ | |
654 | local_nmi->flags = cpu_to_le16(0); | |
655 | local_nmi->lint = 1; /* ACPI_LINT1 */ | |
656 | ||
657 | build_header(linker, table_data, | |
821e3227 | 658 | (void *)(table_data->data + madt_start), "APIC", |
72c194f7 MT |
659 | table_data->len - madt_start, 1); |
660 | } | |
661 | ||
662 | /* Encode a hex value */ | |
663 | static inline char acpi_get_hex(uint32_t val) | |
664 | { | |
665 | val &= 0x0f; | |
666 | return (val <= 9) ? ('0' + val) : ('A' + val - 10); | |
667 | } | |
668 | ||
669 | #include "hw/i386/ssdt-proc.hex" | |
670 | ||
671 | /* 0x5B 0x83 ProcessorOp PkgLength NameString ProcID */ | |
672 | #define ACPI_PROC_OFFSET_CPUHEX (*ssdt_proc_name - *ssdt_proc_start + 2) | |
673 | #define ACPI_PROC_OFFSET_CPUID1 (*ssdt_proc_name - *ssdt_proc_start + 4) | |
674 | #define ACPI_PROC_OFFSET_CPUID2 (*ssdt_proc_id - *ssdt_proc_start) | |
675 | #define ACPI_PROC_SIZEOF (*ssdt_proc_end - *ssdt_proc_start) | |
676 | #define ACPI_PROC_AML (ssdp_proc_aml + *ssdt_proc_start) | |
677 | ||
678 | /* 0x5B 0x82 DeviceOp PkgLength NameString */ | |
679 | #define ACPI_PCIHP_OFFSET_HEX (*ssdt_pcihp_name - *ssdt_pcihp_start + 1) | |
680 | #define ACPI_PCIHP_OFFSET_ID (*ssdt_pcihp_id - *ssdt_pcihp_start) | |
681 | #define ACPI_PCIHP_OFFSET_ADR (*ssdt_pcihp_adr - *ssdt_pcihp_start) | |
682 | #define ACPI_PCIHP_OFFSET_EJ0 (*ssdt_pcihp_ej0 - *ssdt_pcihp_start) | |
683 | #define ACPI_PCIHP_SIZEOF (*ssdt_pcihp_end - *ssdt_pcihp_start) | |
684 | #define ACPI_PCIHP_AML (ssdp_pcihp_aml + *ssdt_pcihp_start) | |
685 | ||
8dcf525a MT |
686 | #define ACPI_PCINOHP_OFFSET_HEX (*ssdt_pcinohp_name - *ssdt_pcinohp_start + 1) |
687 | #define ACPI_PCINOHP_OFFSET_ADR (*ssdt_pcinohp_adr - *ssdt_pcinohp_start) | |
688 | #define ACPI_PCINOHP_SIZEOF (*ssdt_pcinohp_end - *ssdt_pcinohp_start) | |
689 | #define ACPI_PCINOHP_AML (ssdp_pcihp_aml + *ssdt_pcinohp_start) | |
690 | ||
691 | #define ACPI_PCIVGA_OFFSET_HEX (*ssdt_pcivga_name - *ssdt_pcivga_start + 1) | |
692 | #define ACPI_PCIVGA_OFFSET_ADR (*ssdt_pcivga_adr - *ssdt_pcivga_start) | |
693 | #define ACPI_PCIVGA_SIZEOF (*ssdt_pcivga_end - *ssdt_pcivga_start) | |
694 | #define ACPI_PCIVGA_AML (ssdp_pcihp_aml + *ssdt_pcivga_start) | |
695 | ||
696 | #define ACPI_PCIQXL_OFFSET_HEX (*ssdt_pciqxl_name - *ssdt_pciqxl_start + 1) | |
697 | #define ACPI_PCIQXL_OFFSET_ADR (*ssdt_pciqxl_adr - *ssdt_pciqxl_start) | |
698 | #define ACPI_PCIQXL_SIZEOF (*ssdt_pciqxl_end - *ssdt_pciqxl_start) | |
699 | #define ACPI_PCIQXL_AML (ssdp_pcihp_aml + *ssdt_pciqxl_start) | |
700 | ||
bef3492d IM |
701 | #include "hw/i386/ssdt-mem.hex" |
702 | ||
703 | /* 0x5B 0x82 DeviceOp PkgLength NameString DimmID */ | |
704 | #define ACPI_MEM_OFFSET_HEX (*ssdt_mem_name - *ssdt_mem_start + 2) | |
705 | #define ACPI_MEM_OFFSET_ID (*ssdt_mem_id - *ssdt_mem_start + 7) | |
706 | #define ACPI_MEM_SIZEOF (*ssdt_mem_end - *ssdt_mem_start) | |
707 | #define ACPI_MEM_AML (ssdm_mem_aml + *ssdt_mem_start) | |
708 | ||
72c194f7 MT |
709 | #define ACPI_SSDT_SIGNATURE 0x54445353 /* SSDT */ |
710 | #define ACPI_SSDT_HEADER_LENGTH 36 | |
711 | ||
712 | #include "hw/i386/ssdt-misc.hex" | |
713 | #include "hw/i386/ssdt-pcihp.hex" | |
711b20b4 | 714 | #include "hw/i386/ssdt-tpm.hex" |
72c194f7 MT |
715 | |
716 | static void | |
99fd437d MT |
717 | build_append_notify_method(GArray *device, const char *name, |
718 | const char *format, int count) | |
72c194f7 MT |
719 | { |
720 | int i; | |
99fd437d | 721 | GArray *method = build_alloc_method(name, 2); |
72c194f7 | 722 | |
99fd437d | 723 | for (i = 0; i < count; i++) { |
72c194f7 MT |
724 | GArray *target = build_alloc_array(); |
725 | build_append_nameseg(target, format, i); | |
726 | assert(i < 256); /* Fits in 1 byte */ | |
99fd437d | 727 | build_append_notify_target_ifequal(method, target, i, 1); |
72c194f7 MT |
728 | build_free_array(target); |
729 | } | |
72c194f7 | 730 | |
99fd437d | 731 | build_append_and_cleanup_method(device, method); |
72c194f7 MT |
732 | } |
733 | ||
99fd437d | 734 | static void patch_pcihp(int slot, uint8_t *ssdt_ptr) |
72c194f7 | 735 | { |
99fd437d MT |
736 | unsigned devfn = PCI_DEVFN(slot, 0); |
737 | ||
738 | ssdt_ptr[ACPI_PCIHP_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
739 | ssdt_ptr[ACPI_PCIHP_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
72c194f7 MT |
740 | ssdt_ptr[ACPI_PCIHP_OFFSET_ID] = slot; |
741 | ssdt_ptr[ACPI_PCIHP_OFFSET_ADR + 2] = slot; | |
99fd437d MT |
742 | } |
743 | ||
8dcf525a MT |
744 | static void patch_pcinohp(int slot, uint8_t *ssdt_ptr) |
745 | { | |
746 | unsigned devfn = PCI_DEVFN(slot, 0); | |
747 | ||
748 | ssdt_ptr[ACPI_PCINOHP_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
749 | ssdt_ptr[ACPI_PCINOHP_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
750 | ssdt_ptr[ACPI_PCINOHP_OFFSET_ADR + 2] = slot; | |
751 | } | |
752 | ||
753 | static void patch_pcivga(int slot, uint8_t *ssdt_ptr) | |
754 | { | |
755 | unsigned devfn = PCI_DEVFN(slot, 0); | |
756 | ||
757 | ssdt_ptr[ACPI_PCIVGA_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
758 | ssdt_ptr[ACPI_PCIVGA_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
759 | ssdt_ptr[ACPI_PCIVGA_OFFSET_ADR + 2] = slot; | |
760 | } | |
761 | ||
762 | static void patch_pciqxl(int slot, uint8_t *ssdt_ptr) | |
763 | { | |
764 | unsigned devfn = PCI_DEVFN(slot, 0); | |
765 | ||
766 | ssdt_ptr[ACPI_PCIQXL_OFFSET_HEX] = acpi_get_hex(devfn >> 4); | |
767 | ssdt_ptr[ACPI_PCIQXL_OFFSET_HEX + 1] = acpi_get_hex(devfn); | |
768 | ssdt_ptr[ACPI_PCIQXL_OFFSET_ADR + 2] = slot; | |
769 | } | |
770 | ||
99fd437d MT |
771 | /* Assign BSEL property to all buses. In the future, this can be changed |
772 | * to only assign to buses that support hotplug. | |
773 | */ | |
774 | static void *acpi_set_bsel(PCIBus *bus, void *opaque) | |
775 | { | |
776 | unsigned *bsel_alloc = opaque; | |
777 | unsigned *bus_bsel; | |
778 | ||
39b888bd | 779 | if (qbus_is_hotpluggable(BUS(bus))) { |
99fd437d MT |
780 | bus_bsel = g_malloc(sizeof *bus_bsel); |
781 | ||
782 | *bus_bsel = (*bsel_alloc)++; | |
783 | object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, | |
784 | bus_bsel, NULL); | |
785 | } | |
786 | ||
787 | return bsel_alloc; | |
788 | } | |
789 | ||
790 | static void acpi_set_pci_info(void) | |
791 | { | |
792 | PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ | |
793 | unsigned bsel_alloc = 0; | |
794 | ||
795 | if (bus) { | |
796 | /* Scan all PCI buses. Set property to enable acpi based hotplug. */ | |
797 | pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); | |
798 | } | |
799 | } | |
800 | ||
801 | static void build_pci_bus_state_init(AcpiBuildPciBusHotplugState *state, | |
133a2da4 IM |
802 | AcpiBuildPciBusHotplugState *parent, |
803 | bool pcihp_bridge_en) | |
99fd437d MT |
804 | { |
805 | state->parent = parent; | |
806 | state->device_table = build_alloc_array(); | |
807 | state->notify_table = build_alloc_array(); | |
133a2da4 | 808 | state->pcihp_bridge_en = pcihp_bridge_en; |
99fd437d MT |
809 | } |
810 | ||
811 | static void build_pci_bus_state_cleanup(AcpiBuildPciBusHotplugState *state) | |
812 | { | |
813 | build_free_array(state->device_table); | |
814 | build_free_array(state->notify_table); | |
815 | } | |
816 | ||
817 | static void *build_pci_bus_begin(PCIBus *bus, void *parent_state) | |
818 | { | |
819 | AcpiBuildPciBusHotplugState *parent = parent_state; | |
820 | AcpiBuildPciBusHotplugState *child = g_malloc(sizeof *child); | |
821 | ||
133a2da4 | 822 | build_pci_bus_state_init(child, parent, parent->pcihp_bridge_en); |
99fd437d MT |
823 | |
824 | return child; | |
825 | } | |
826 | ||
827 | static void build_pci_bus_end(PCIBus *bus, void *bus_state) | |
828 | { | |
829 | AcpiBuildPciBusHotplugState *child = bus_state; | |
830 | AcpiBuildPciBusHotplugState *parent = child->parent; | |
831 | GArray *bus_table = build_alloc_array(); | |
832 | DECLARE_BITMAP(slot_hotplug_enable, PCI_SLOT_MAX); | |
8dcf525a MT |
833 | DECLARE_BITMAP(slot_device_present, PCI_SLOT_MAX); |
834 | DECLARE_BITMAP(slot_device_system, PCI_SLOT_MAX); | |
835 | DECLARE_BITMAP(slot_device_vga, PCI_SLOT_MAX); | |
836 | DECLARE_BITMAP(slot_device_qxl, PCI_SLOT_MAX); | |
99fd437d MT |
837 | uint8_t op; |
838 | int i; | |
839 | QObject *bsel; | |
840 | GArray *method; | |
841 | bool bus_hotplug_support = false; | |
842 | ||
133a2da4 | 843 | /* |
093a35e5 MT |
844 | * Skip bridge subtree creation if bridge hotplug is disabled |
845 | * to make acpi tables compatible with legacy machine types. | |
846 | */ | |
133a2da4 IM |
847 | if (!child->pcihp_bridge_en && bus->parent_dev) { |
848 | return; | |
849 | } | |
850 | ||
99fd437d MT |
851 | if (bus->parent_dev) { |
852 | op = 0x82; /* DeviceOp */ | |
853 | build_append_nameseg(bus_table, "S%.02X_", | |
854 | bus->parent_dev->devfn); | |
855 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
856 | build_append_nameseg(bus_table, "_SUN"); | |
857 | build_append_value(bus_table, PCI_SLOT(bus->parent_dev->devfn), 1); | |
858 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
859 | build_append_nameseg(bus_table, "_ADR"); | |
860 | build_append_value(bus_table, (PCI_SLOT(bus->parent_dev->devfn) << 16) | | |
861 | PCI_FUNC(bus->parent_dev->devfn), 4); | |
862 | } else { | |
863 | op = 0x10; /* ScopeOp */; | |
864 | build_append_nameseg(bus_table, "PCI0"); | |
865 | } | |
72c194f7 | 866 | |
99fd437d MT |
867 | bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); |
868 | if (bsel) { | |
869 | build_append_byte(bus_table, 0x08); /* NameOp */ | |
870 | build_append_nameseg(bus_table, "BSEL"); | |
871 | build_append_int(bus_table, qint_get_int(qobject_to_qint(bsel))); | |
99fd437d | 872 | memset(slot_hotplug_enable, 0xff, sizeof slot_hotplug_enable); |
8dcf525a MT |
873 | } else { |
874 | /* No bsel - no slots are hot-pluggable */ | |
875 | memset(slot_hotplug_enable, 0x00, sizeof slot_hotplug_enable); | |
876 | } | |
99fd437d | 877 | |
8dcf525a MT |
878 | memset(slot_device_present, 0x00, sizeof slot_device_present); |
879 | memset(slot_device_system, 0x00, sizeof slot_device_present); | |
880 | memset(slot_device_vga, 0x00, sizeof slot_device_vga); | |
881 | memset(slot_device_qxl, 0x00, sizeof slot_device_qxl); | |
99fd437d | 882 | |
8dcf525a MT |
883 | for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) { |
884 | DeviceClass *dc; | |
885 | PCIDeviceClass *pc; | |
886 | PCIDevice *pdev = bus->devices[i]; | |
887 | int slot = PCI_SLOT(i); | |
093a35e5 | 888 | bool bridge_in_acpi; |
99fd437d | 889 | |
8dcf525a MT |
890 | if (!pdev) { |
891 | continue; | |
892 | } | |
99fd437d | 893 | |
8dcf525a MT |
894 | set_bit(slot, slot_device_present); |
895 | pc = PCI_DEVICE_GET_CLASS(pdev); | |
896 | dc = DEVICE_GET_CLASS(pdev); | |
99fd437d | 897 | |
093a35e5 MT |
898 | /* When hotplug for bridges is enabled, bridges are |
899 | * described in ACPI separately (see build_pci_bus_end). | |
900 | * In this case they aren't themselves hot-pluggable. | |
901 | */ | |
902 | bridge_in_acpi = pc->is_bridge && child->pcihp_bridge_en; | |
903 | ||
904 | if (pc->class_id == PCI_CLASS_BRIDGE_ISA || bridge_in_acpi) { | |
8dcf525a | 905 | set_bit(slot, slot_device_system); |
99fd437d MT |
906 | } |
907 | ||
8dcf525a MT |
908 | if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { |
909 | set_bit(slot, slot_device_vga); | |
910 | ||
911 | if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) { | |
912 | set_bit(slot, slot_device_qxl); | |
99fd437d MT |
913 | } |
914 | } | |
915 | ||
093a35e5 | 916 | if (!dc->hotpluggable || bridge_in_acpi) { |
8dcf525a MT |
917 | clear_bit(slot, slot_hotplug_enable); |
918 | } | |
919 | } | |
920 | ||
921 | /* Append Device object for each slot */ | |
922 | for (i = 0; i < PCI_SLOT_MAX; i++) { | |
923 | bool can_eject = test_bit(i, slot_hotplug_enable); | |
924 | bool present = test_bit(i, slot_device_present); | |
925 | bool vga = test_bit(i, slot_device_vga); | |
926 | bool qxl = test_bit(i, slot_device_qxl); | |
927 | bool system = test_bit(i, slot_device_system); | |
928 | if (can_eject) { | |
929 | void *pcihp = acpi_data_push(bus_table, | |
930 | ACPI_PCIHP_SIZEOF); | |
931 | memcpy(pcihp, ACPI_PCIHP_AML, ACPI_PCIHP_SIZEOF); | |
932 | patch_pcihp(i, pcihp); | |
933 | bus_hotplug_support = true; | |
934 | } else if (qxl) { | |
935 | void *pcihp = acpi_data_push(bus_table, | |
936 | ACPI_PCIQXL_SIZEOF); | |
937 | memcpy(pcihp, ACPI_PCIQXL_AML, ACPI_PCIQXL_SIZEOF); | |
938 | patch_pciqxl(i, pcihp); | |
939 | } else if (vga) { | |
940 | void *pcihp = acpi_data_push(bus_table, | |
941 | ACPI_PCIVGA_SIZEOF); | |
942 | memcpy(pcihp, ACPI_PCIVGA_AML, ACPI_PCIVGA_SIZEOF); | |
943 | patch_pcivga(i, pcihp); | |
944 | } else if (system) { | |
b89834f4 | 945 | /* Nothing to do: system devices are in DSDT or in SSDT above. */ |
8dcf525a MT |
946 | } else if (present) { |
947 | void *pcihp = acpi_data_push(bus_table, | |
948 | ACPI_PCINOHP_SIZEOF); | |
949 | memcpy(pcihp, ACPI_PCINOHP_AML, ACPI_PCINOHP_SIZEOF); | |
950 | patch_pcinohp(i, pcihp); | |
951 | } | |
952 | } | |
953 | ||
954 | if (bsel) { | |
99fd437d MT |
955 | method = build_alloc_method("DVNT", 2); |
956 | ||
957 | for (i = 0; i < PCI_SLOT_MAX; i++) { | |
958 | GArray *notify; | |
959 | uint8_t op; | |
960 | ||
961 | if (!test_bit(i, slot_hotplug_enable)) { | |
962 | continue; | |
963 | } | |
964 | ||
965 | notify = build_alloc_array(); | |
966 | op = 0xA0; /* IfOp */ | |
967 | ||
968 | build_append_byte(notify, 0x7B); /* AndOp */ | |
969 | build_append_byte(notify, 0x68); /* Arg0Op */ | |
d9631b90 | 970 | build_append_int(notify, 0x1U << i); |
99fd437d MT |
971 | build_append_byte(notify, 0x00); /* NullName */ |
972 | build_append_byte(notify, 0x86); /* NotifyOp */ | |
973 | build_append_nameseg(notify, "S%.02X_", PCI_DEVFN(i, 0)); | |
974 | build_append_byte(notify, 0x69); /* Arg1Op */ | |
975 | ||
976 | /* Pack it up */ | |
977 | build_package(notify, op, 0); | |
978 | ||
979 | build_append_array(method, notify); | |
980 | ||
981 | build_free_array(notify); | |
982 | } | |
983 | ||
984 | build_append_and_cleanup_method(bus_table, method); | |
985 | } | |
986 | ||
987 | /* Append PCNT method to notify about events on local and child buses. | |
988 | * Add unconditionally for root since DSDT expects it. | |
72c194f7 | 989 | */ |
99fd437d MT |
990 | if (bus_hotplug_support || child->notify_table->len || !bus->parent_dev) { |
991 | method = build_alloc_method("PCNT", 0); | |
992 | ||
993 | /* If bus supports hotplug select it and notify about local events */ | |
994 | if (bsel) { | |
995 | build_append_byte(method, 0x70); /* StoreOp */ | |
996 | build_append_int(method, qint_get_int(qobject_to_qint(bsel))); | |
997 | build_append_nameseg(method, "BNUM"); | |
998 | build_append_nameseg(method, "DVNT"); | |
999 | build_append_nameseg(method, "PCIU"); | |
1000 | build_append_int(method, 1); /* Device Check */ | |
1001 | build_append_nameseg(method, "DVNT"); | |
1002 | build_append_nameseg(method, "PCID"); | |
1003 | build_append_int(method, 3); /* Eject Request */ | |
1004 | } | |
1005 | ||
1006 | /* Notify about child bus events in any case */ | |
1007 | build_append_array(method, child->notify_table); | |
1008 | ||
1009 | build_append_and_cleanup_method(bus_table, method); | |
1010 | ||
1011 | /* Append description of child buses */ | |
1012 | build_append_array(bus_table, child->device_table); | |
1013 | ||
1014 | /* Pack it up */ | |
1015 | if (bus->parent_dev) { | |
1016 | build_extop_package(bus_table, op); | |
1017 | } else { | |
1018 | build_package(bus_table, op, 0); | |
1019 | } | |
72c194f7 | 1020 | |
99fd437d MT |
1021 | /* Append our bus description to parent table */ |
1022 | build_append_array(parent->device_table, bus_table); | |
1023 | ||
1024 | /* Also tell parent how to notify us, invoking PCNT method. | |
1025 | * At the moment this is not needed for root as we have a single root. | |
1026 | */ | |
1027 | if (bus->parent_dev) { | |
1028 | build_append_byte(parent->notify_table, '^'); /* ParentPrefixChar */ | |
1029 | build_append_byte(parent->notify_table, 0x2E); /* DualNamePrefix */ | |
1030 | build_append_nameseg(parent->notify_table, "S%.02X_", | |
1031 | bus->parent_dev->devfn); | |
1032 | build_append_nameseg(parent->notify_table, "PCNT"); | |
1033 | } | |
72c194f7 | 1034 | } |
99fd437d | 1035 | |
097a97a6 | 1036 | qobject_decref(bsel); |
99fd437d MT |
1037 | build_free_array(bus_table); |
1038 | build_pci_bus_state_cleanup(child); | |
1039 | g_free(child); | |
72c194f7 MT |
1040 | } |
1041 | ||
1042 | static void patch_pci_windows(PcPciInfo *pci, uint8_t *start, unsigned size) | |
1043 | { | |
b4e5a4bf | 1044 | ACPI_BUILD_SET_LE(start, size, acpi_pci32_start[0], 32, pci->w32.begin); |
72c194f7 | 1045 | |
b4e5a4bf | 1046 | ACPI_BUILD_SET_LE(start, size, acpi_pci32_end[0], 32, pci->w32.end - 1); |
72c194f7 MT |
1047 | |
1048 | if (pci->w64.end || pci->w64.begin) { | |
b4e5a4bf MT |
1049 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_valid[0], 8, 1); |
1050 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_start[0], 64, pci->w64.begin); | |
1051 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_end[0], 64, pci->w64.end - 1); | |
1052 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_length[0], 64, pci->w64.end - pci->w64.begin); | |
72c194f7 | 1053 | } else { |
b4e5a4bf | 1054 | ACPI_BUILD_SET_LE(start, size, acpi_pci64_valid[0], 8, 0); |
72c194f7 MT |
1055 | } |
1056 | } | |
1057 | ||
1058 | static void | |
1059 | build_ssdt(GArray *table_data, GArray *linker, | |
1060 | AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc, | |
1061 | PcPciInfo *pci, PcGuestInfo *guest_info) | |
1062 | { | |
bef3492d IM |
1063 | MachineState *machine = MACHINE(qdev_get_machine()); |
1064 | uint32_t nr_mem = machine->ram_slots; | |
2fd71f1b | 1065 | unsigned acpi_cpus = guest_info->apic_id_limit; |
72c194f7 MT |
1066 | int ssdt_start = table_data->len; |
1067 | uint8_t *ssdt_ptr; | |
1068 | int i; | |
1069 | ||
2fd71f1b LE |
1070 | /* The current AML generator can cover the APIC ID range [0..255], |
1071 | * inclusive, for VCPU hotplug. */ | |
1072 | QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256); | |
1073 | g_assert(acpi_cpus <= ACPI_CPU_HOTPLUG_ID_LIMIT); | |
1074 | ||
72c194f7 MT |
1075 | /* Copy header and patch values in the S3_ / S4_ / S5_ packages */ |
1076 | ssdt_ptr = acpi_data_push(table_data, sizeof(ssdp_misc_aml)); | |
1077 | memcpy(ssdt_ptr, ssdp_misc_aml, sizeof(ssdp_misc_aml)); | |
1078 | if (pm->s3_disabled) { | |
1079 | ssdt_ptr[acpi_s3_name[0]] = 'X'; | |
1080 | } | |
1081 | if (pm->s4_disabled) { | |
1082 | ssdt_ptr[acpi_s4_name[0]] = 'X'; | |
1083 | } else { | |
1084 | ssdt_ptr[acpi_s4_pkg[0] + 1] = ssdt_ptr[acpi_s4_pkg[0] + 3] = | |
1085 | pm->s4_val; | |
1086 | } | |
1087 | ||
1088 | patch_pci_windows(pci, ssdt_ptr, sizeof(ssdp_misc_aml)); | |
1089 | ||
eee822e3 MT |
1090 | ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml), |
1091 | ssdt_isa_pest[0], 16, misc->pvpanic_port); | |
72c194f7 | 1092 | |
bef3492d IM |
1093 | ACPI_BUILD_SET_LE(ssdt_ptr, sizeof(ssdp_misc_aml), |
1094 | ssdt_mctrl_nr_slots[0], 32, nr_mem); | |
1095 | ||
72c194f7 MT |
1096 | { |
1097 | GArray *sb_scope = build_alloc_array(); | |
1098 | uint8_t op = 0x10; /* ScopeOp */ | |
1099 | ||
1100 | build_append_nameseg(sb_scope, "_SB_"); | |
1101 | ||
1102 | /* build Processor object for each processor */ | |
1103 | for (i = 0; i < acpi_cpus; i++) { | |
1104 | uint8_t *proc = acpi_data_push(sb_scope, ACPI_PROC_SIZEOF); | |
1105 | memcpy(proc, ACPI_PROC_AML, ACPI_PROC_SIZEOF); | |
1106 | proc[ACPI_PROC_OFFSET_CPUHEX] = acpi_get_hex(i >> 4); | |
1107 | proc[ACPI_PROC_OFFSET_CPUHEX+1] = acpi_get_hex(i); | |
1108 | proc[ACPI_PROC_OFFSET_CPUID1] = i; | |
1109 | proc[ACPI_PROC_OFFSET_CPUID2] = i; | |
1110 | } | |
1111 | ||
1112 | /* build this code: | |
1113 | * Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...} | |
1114 | */ | |
1115 | /* Arg0 = Processor ID = APIC ID */ | |
99fd437d | 1116 | build_append_notify_method(sb_scope, "NTFY", "CP%0.02X", acpi_cpus); |
72c194f7 MT |
1117 | |
1118 | /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" */ | |
1119 | build_append_byte(sb_scope, 0x08); /* NameOp */ | |
1120 | build_append_nameseg(sb_scope, "CPON"); | |
1121 | ||
1122 | { | |
1123 | GArray *package = build_alloc_array(); | |
b4f4d548 MT |
1124 | uint8_t op; |
1125 | ||
1126 | /* | |
1127 | * Note: The ability to create variable-sized packages was first introduced in ACPI 2.0. ACPI 1.0 only | |
1128 | * allowed fixed-size packages with up to 255 elements. | |
1129 | * Windows guests up to win2k8 fail when VarPackageOp is used. | |
1130 | */ | |
1131 | if (acpi_cpus <= 255) { | |
1132 | op = 0x12; /* PackageOp */ | |
1133 | build_append_byte(package, acpi_cpus); /* NumElements */ | |
1134 | } else { | |
1135 | op = 0x13; /* VarPackageOp */ | |
1136 | build_append_int(package, acpi_cpus); /* VarNumElements */ | |
1137 | } | |
72c194f7 | 1138 | |
72c194f7 MT |
1139 | for (i = 0; i < acpi_cpus; i++) { |
1140 | uint8_t b = test_bit(i, cpu->found_cpus) ? 0x01 : 0x00; | |
1141 | build_append_byte(package, b); | |
1142 | } | |
1143 | ||
1144 | build_package(package, op, 2); | |
1145 | build_append_array(sb_scope, package); | |
1146 | build_free_array(package); | |
1147 | } | |
1148 | ||
bef3492d IM |
1149 | if (nr_mem) { |
1150 | assert(nr_mem <= ACPI_MAX_RAM_SLOTS); | |
1151 | /* build memory devices */ | |
1152 | for (i = 0; i < nr_mem; i++) { | |
1153 | char id[3]; | |
1154 | uint8_t *mem = acpi_data_push(sb_scope, ACPI_MEM_SIZEOF); | |
1155 | ||
1156 | snprintf(id, sizeof(id), "%02X", i); | |
1157 | memcpy(mem, ACPI_MEM_AML, ACPI_MEM_SIZEOF); | |
1158 | memcpy(mem + ACPI_MEM_OFFSET_HEX, id, 2); | |
1159 | memcpy(mem + ACPI_MEM_OFFSET_ID, id, 2); | |
1160 | } | |
1161 | ||
1162 | /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { | |
1163 | * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... | |
1164 | */ | |
1165 | build_append_notify_method(sb_scope, | |
1166 | stringify(MEMORY_SLOT_NOTIFY_METHOD), | |
1167 | "MP%0.02X", nr_mem); | |
1168 | } | |
1169 | ||
72c194f7 | 1170 | { |
99fd437d | 1171 | AcpiBuildPciBusHotplugState hotplug_state; |
8dcf525a MT |
1172 | Object *pci_host; |
1173 | PCIBus *bus = NULL; | |
1174 | bool ambiguous; | |
1175 | ||
1176 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
1177 | if (!ambiguous && pci_host) { | |
1178 | bus = PCI_HOST_BRIDGE(pci_host)->bus; | |
1179 | } | |
72c194f7 | 1180 | |
133a2da4 | 1181 | build_pci_bus_state_init(&hotplug_state, NULL, pm->pcihp_bridge_en); |
72c194f7 | 1182 | |
99fd437d MT |
1183 | if (bus) { |
1184 | /* Scan all PCI buses. Generate tables to support hotplug. */ | |
1185 | pci_for_each_bus_depth_first(bus, build_pci_bus_begin, | |
1186 | build_pci_bus_end, &hotplug_state); | |
72c194f7 MT |
1187 | } |
1188 | ||
99fd437d MT |
1189 | build_append_array(sb_scope, hotplug_state.device_table); |
1190 | build_pci_bus_state_cleanup(&hotplug_state); | |
72c194f7 MT |
1191 | } |
1192 | ||
1193 | build_package(sb_scope, op, 3); | |
1194 | build_append_array(table_data, sb_scope); | |
1195 | build_free_array(sb_scope); | |
1196 | } | |
1197 | ||
1198 | build_header(linker, table_data, | |
1199 | (void *)(table_data->data + ssdt_start), | |
821e3227 | 1200 | "SSDT", table_data->len - ssdt_start, 1); |
72c194f7 MT |
1201 | } |
1202 | ||
1203 | static void | |
1204 | build_hpet(GArray *table_data, GArray *linker) | |
1205 | { | |
1206 | Acpi20Hpet *hpet; | |
1207 | ||
1208 | hpet = acpi_data_push(table_data, sizeof(*hpet)); | |
1209 | /* Note timer_block_id value must be kept in sync with value advertised by | |
1210 | * emulated hpet | |
1211 | */ | |
1212 | hpet->timer_block_id = cpu_to_le32(0x8086a201); | |
1213 | hpet->addr.address = cpu_to_le64(HPET_BASE); | |
1214 | build_header(linker, table_data, | |
821e3227 | 1215 | (void *)hpet, "HPET", sizeof(*hpet), 1); |
72c194f7 MT |
1216 | } |
1217 | ||
711b20b4 | 1218 | static void |
42a5b308 | 1219 | build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog) |
711b20b4 SB |
1220 | { |
1221 | Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa); | |
42a5b308 | 1222 | uint64_t log_area_start_address = acpi_data_len(tcpalog); |
711b20b4 SB |
1223 | |
1224 | tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT); | |
1225 | tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); | |
1226 | tcpa->log_area_start_address = cpu_to_le64(log_area_start_address); | |
1227 | ||
42a5b308 SB |
1228 | bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, 1, |
1229 | false /* high memory */); | |
1230 | ||
711b20b4 SB |
1231 | /* log area start address to be filled by Guest linker */ |
1232 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, | |
42a5b308 | 1233 | ACPI_BUILD_TPMLOG_FILE, |
711b20b4 SB |
1234 | table_data, &tcpa->log_area_start_address, |
1235 | sizeof(tcpa->log_area_start_address)); | |
1236 | ||
1237 | build_header(linker, table_data, | |
1238 | (void *)tcpa, "TCPA", sizeof(*tcpa), 2); | |
1239 | ||
42a5b308 | 1240 | acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); |
711b20b4 SB |
1241 | } |
1242 | ||
1243 | static void | |
1244 | build_tpm_ssdt(GArray *table_data, GArray *linker) | |
1245 | { | |
1246 | void *tpm_ptr; | |
1247 | ||
1248 | tpm_ptr = acpi_data_push(table_data, sizeof(ssdt_tpm_aml)); | |
1249 | memcpy(tpm_ptr, ssdt_tpm_aml, sizeof(ssdt_tpm_aml)); | |
1250 | } | |
1251 | ||
04ed3ea8 IM |
1252 | typedef enum { |
1253 | MEM_AFFINITY_NOFLAGS = 0, | |
1254 | MEM_AFFINITY_ENABLED = (1 << 0), | |
1255 | MEM_AFFINITY_HOTPLUGGABLE = (1 << 1), | |
1256 | MEM_AFFINITY_NON_VOLATILE = (1 << 2), | |
1257 | } MemoryAffinityFlags; | |
1258 | ||
72c194f7 | 1259 | static void |
04ed3ea8 IM |
1260 | acpi_build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, |
1261 | uint64_t len, int node, MemoryAffinityFlags flags) | |
72c194f7 MT |
1262 | { |
1263 | numamem->type = ACPI_SRAT_MEMORY; | |
1264 | numamem->length = sizeof(*numamem); | |
1265 | memset(numamem->proximity, 0, 4); | |
1266 | numamem->proximity[0] = node; | |
04ed3ea8 | 1267 | numamem->flags = cpu_to_le32(flags); |
72c194f7 MT |
1268 | numamem->base_addr = cpu_to_le64(base); |
1269 | numamem->range_length = cpu_to_le64(len); | |
1270 | } | |
1271 | ||
1272 | static void | |
dd0247e0 | 1273 | build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info) |
72c194f7 MT |
1274 | { |
1275 | AcpiSystemResourceAffinityTable *srat; | |
1276 | AcpiSratProcessorAffinity *core; | |
1277 | AcpiSratMemoryAffinity *numamem; | |
1278 | ||
1279 | int i; | |
1280 | uint64_t curnode; | |
1281 | int srat_start, numa_start, slots; | |
1282 | uint64_t mem_len, mem_base, next_base; | |
cec65193 IM |
1283 | PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); |
1284 | ram_addr_t hotplugabble_address_space_size = | |
1285 | object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE, | |
1286 | NULL); | |
72c194f7 MT |
1287 | |
1288 | srat_start = table_data->len; | |
1289 | ||
1290 | srat = acpi_data_push(table_data, sizeof *srat); | |
1291 | srat->reserved1 = cpu_to_le32(1); | |
1292 | core = (void *)(srat + 1); | |
1293 | ||
1294 | for (i = 0; i < guest_info->apic_id_limit; ++i) { | |
1295 | core = acpi_data_push(table_data, sizeof *core); | |
1296 | core->type = ACPI_SRAT_PROCESSOR; | |
1297 | core->length = sizeof(*core); | |
1298 | core->local_apic_id = i; | |
1299 | curnode = guest_info->node_cpu[i]; | |
1300 | core->proximity_lo = curnode; | |
1301 | memset(core->proximity_hi, 0, 3); | |
1302 | core->local_sapic_eid = 0; | |
dd0247e0 | 1303 | core->flags = cpu_to_le32(1); |
72c194f7 MT |
1304 | } |
1305 | ||
1306 | ||
1307 | /* the memory map is a bit tricky, it contains at least one hole | |
1308 | * from 640k-1M and possibly another one from 3.5G-4G. | |
1309 | */ | |
1310 | next_base = 0; | |
1311 | numa_start = table_data->len; | |
1312 | ||
1313 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 | 1314 | acpi_build_srat_memory(numamem, 0, 640*1024, 0, MEM_AFFINITY_ENABLED); |
72c194f7 MT |
1315 | next_base = 1024 * 1024; |
1316 | for (i = 1; i < guest_info->numa_nodes + 1; ++i) { | |
1317 | mem_base = next_base; | |
1318 | mem_len = guest_info->node_mem[i - 1]; | |
1319 | if (i == 1) { | |
1320 | mem_len -= 1024 * 1024; | |
1321 | } | |
1322 | next_base = mem_base + mem_len; | |
1323 | ||
1324 | /* Cut out the ACPI_PCI hole */ | |
4c8a949b EH |
1325 | if (mem_base <= guest_info->ram_size_below_4g && |
1326 | next_base > guest_info->ram_size_below_4g) { | |
1327 | mem_len -= next_base - guest_info->ram_size_below_4g; | |
72c194f7 MT |
1328 | if (mem_len > 0) { |
1329 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
1330 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
1331 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
1332 | } |
1333 | mem_base = 1ULL << 32; | |
4c8a949b EH |
1334 | mem_len = next_base - guest_info->ram_size_below_4g; |
1335 | next_base += (1ULL << 32) - guest_info->ram_size_below_4g; | |
72c194f7 MT |
1336 | } |
1337 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 IM |
1338 | acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, |
1339 | MEM_AFFINITY_ENABLED); | |
72c194f7 MT |
1340 | } |
1341 | slots = (table_data->len - numa_start) / sizeof *numamem; | |
1342 | for (; slots < guest_info->numa_nodes + 2; slots++) { | |
1343 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
04ed3ea8 | 1344 | acpi_build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); |
72c194f7 MT |
1345 | } |
1346 | ||
cec65193 IM |
1347 | /* |
1348 | * Entry is required for Windows to enable memory hotplug in OS. | |
1349 | * Memory devices may override proximity set by this entry, | |
1350 | * providing _PXM method if necessary. | |
1351 | */ | |
1352 | if (hotplugabble_address_space_size) { | |
1353 | numamem = acpi_data_push(table_data, sizeof *numamem); | |
1354 | acpi_build_srat_memory(numamem, pcms->hotplug_memory_base, | |
1355 | hotplugabble_address_space_size, 0, | |
1356 | MEM_AFFINITY_HOTPLUGGABLE | | |
1357 | MEM_AFFINITY_ENABLED); | |
1358 | } | |
1359 | ||
72c194f7 MT |
1360 | build_header(linker, table_data, |
1361 | (void *)(table_data->data + srat_start), | |
821e3227 | 1362 | "SRAT", |
72c194f7 MT |
1363 | table_data->len - srat_start, 1); |
1364 | } | |
1365 | ||
1366 | static void | |
1367 | build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info) | |
1368 | { | |
1369 | AcpiTableMcfg *mcfg; | |
821e3227 | 1370 | const char *sig; |
72c194f7 MT |
1371 | int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]); |
1372 | ||
1373 | mcfg = acpi_data_push(table_data, len); | |
1374 | mcfg->allocation[0].address = cpu_to_le64(info->mcfg_base); | |
1375 | /* Only a single allocation so no need to play with segments */ | |
1376 | mcfg->allocation[0].pci_segment = cpu_to_le16(0); | |
1377 | mcfg->allocation[0].start_bus_number = 0; | |
1378 | mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->mcfg_size - 1); | |
1379 | ||
1380 | /* MCFG is used for ECAM which can be enabled or disabled by guest. | |
1381 | * To avoid table size changes (which create migration issues), | |
1382 | * always create the table even if there are no allocations, | |
1383 | * but set the signature to a reserved value in this case. | |
1384 | * ACPI spec requires OSPMs to ignore such tables. | |
1385 | */ | |
1386 | if (info->mcfg_base == PCIE_BASE_ADDR_UNMAPPED) { | |
821e3227 MT |
1387 | /* Reserved signature: ignored by OSPM */ |
1388 | sig = "QEMU"; | |
72c194f7 | 1389 | } else { |
821e3227 | 1390 | sig = "MCFG"; |
72c194f7 MT |
1391 | } |
1392 | build_header(linker, table_data, (void *)mcfg, sig, len, 1); | |
1393 | } | |
1394 | ||
d4eb9119 LT |
1395 | static void |
1396 | build_dmar_q35(GArray *table_data, GArray *linker) | |
1397 | { | |
1398 | int dmar_start = table_data->len; | |
1399 | ||
1400 | AcpiTableDmar *dmar; | |
1401 | AcpiDmarHardwareUnit *drhd; | |
1402 | ||
1403 | dmar = acpi_data_push(table_data, sizeof(*dmar)); | |
1404 | dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1; | |
1405 | dmar->flags = 0; /* No intr_remap for now */ | |
1406 | ||
1407 | /* DMAR Remapping Hardware Unit Definition structure */ | |
1408 | drhd = acpi_data_push(table_data, sizeof(*drhd)); | |
1409 | drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT); | |
1410 | drhd->length = cpu_to_le16(sizeof(*drhd)); /* No device scope now */ | |
1411 | drhd->flags = ACPI_DMAR_INCLUDE_PCI_ALL; | |
1412 | drhd->pci_segment = cpu_to_le16(0); | |
1413 | drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); | |
1414 | ||
1415 | build_header(linker, table_data, (void *)(table_data->data + dmar_start), | |
1416 | "DMAR", table_data->len - dmar_start, 1); | |
1417 | } | |
1418 | ||
72c194f7 MT |
1419 | static void |
1420 | build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc) | |
1421 | { | |
53db092a MT |
1422 | AcpiTableHeader *dsdt; |
1423 | ||
72c194f7 | 1424 | assert(misc->dsdt_code && misc->dsdt_size); |
53db092a | 1425 | |
72c194f7 MT |
1426 | dsdt = acpi_data_push(table_data, misc->dsdt_size); |
1427 | memcpy(dsdt, misc->dsdt_code, misc->dsdt_size); | |
53db092a MT |
1428 | |
1429 | memset(dsdt, 0, sizeof *dsdt); | |
821e3227 | 1430 | build_header(linker, table_data, dsdt, "DSDT", |
53db092a | 1431 | misc->dsdt_size, 1); |
72c194f7 MT |
1432 | } |
1433 | ||
1434 | /* Build final rsdt table */ | |
1435 | static void | |
1436 | build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets) | |
1437 | { | |
1438 | AcpiRsdtDescriptorRev1 *rsdt; | |
1439 | size_t rsdt_len; | |
1440 | int i; | |
1441 | ||
1442 | rsdt_len = sizeof(*rsdt) + sizeof(uint32_t) * table_offsets->len; | |
1443 | rsdt = acpi_data_push(table_data, rsdt_len); | |
1444 | memcpy(rsdt->table_offset_entry, table_offsets->data, | |
1445 | sizeof(uint32_t) * table_offsets->len); | |
1446 | for (i = 0; i < table_offsets->len; ++i) { | |
1447 | /* rsdt->table_offset_entry to be filled by Guest linker */ | |
1448 | bios_linker_loader_add_pointer(linker, | |
1449 | ACPI_BUILD_TABLE_FILE, | |
1450 | ACPI_BUILD_TABLE_FILE, | |
1451 | table_data, &rsdt->table_offset_entry[i], | |
1452 | sizeof(uint32_t)); | |
1453 | } | |
1454 | build_header(linker, table_data, | |
821e3227 | 1455 | (void *)rsdt, "RSDT", rsdt_len, 1); |
72c194f7 MT |
1456 | } |
1457 | ||
1458 | static GArray * | |
1459 | build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) | |
1460 | { | |
1461 | AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); | |
1462 | ||
d67aadcc | 1463 | bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 16, |
72c194f7 MT |
1464 | true /* fseg memory */); |
1465 | ||
821e3227 | 1466 | memcpy(&rsdp->signature, "RSD PTR ", 8); |
72c194f7 MT |
1467 | memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); |
1468 | rsdp->rsdt_physical_address = cpu_to_le32(rsdt); | |
1469 | /* Address to be filled by Guest linker */ | |
1470 | bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, | |
1471 | ACPI_BUILD_TABLE_FILE, | |
1472 | rsdp_table, &rsdp->rsdt_physical_address, | |
1473 | sizeof rsdp->rsdt_physical_address); | |
1474 | rsdp->checksum = 0; | |
1475 | /* Checksum to be filled by Guest linker */ | |
1476 | bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, | |
1477 | rsdp, rsdp, sizeof *rsdp, &rsdp->checksum); | |
1478 | ||
1479 | return rsdp_table; | |
1480 | } | |
1481 | ||
1482 | typedef | |
1483 | struct AcpiBuildTables { | |
1484 | GArray *table_data; | |
1485 | GArray *rsdp; | |
42a5b308 | 1486 | GArray *tcpalog; |
72c194f7 MT |
1487 | GArray *linker; |
1488 | } AcpiBuildTables; | |
1489 | ||
1490 | static inline void acpi_build_tables_init(AcpiBuildTables *tables) | |
1491 | { | |
1492 | tables->rsdp = g_array_new(false, true /* clear */, 1); | |
1493 | tables->table_data = g_array_new(false, true /* clear */, 1); | |
42a5b308 | 1494 | tables->tcpalog = g_array_new(false, true /* clear */, 1); |
72c194f7 MT |
1495 | tables->linker = bios_linker_loader_init(); |
1496 | } | |
1497 | ||
1498 | static inline void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) | |
1499 | { | |
1500 | void *linker_data = bios_linker_loader_cleanup(tables->linker); | |
ac369a77 | 1501 | g_free(linker_data); |
72c194f7 | 1502 | g_array_free(tables->rsdp, mfre); |
ac369a77 | 1503 | g_array_free(tables->table_data, true); |
42a5b308 | 1504 | g_array_free(tables->tcpalog, mfre); |
72c194f7 MT |
1505 | } |
1506 | ||
1507 | typedef | |
1508 | struct AcpiBuildState { | |
1509 | /* Copy of table in RAM (for patching). */ | |
ad5b88b1 | 1510 | ram_addr_t table_ram; |
72c194f7 MT |
1511 | uint32_t table_size; |
1512 | /* Is table patched? */ | |
1513 | uint8_t patched; | |
1514 | PcGuestInfo *guest_info; | |
1515 | } AcpiBuildState; | |
1516 | ||
1517 | static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg) | |
1518 | { | |
1519 | Object *pci_host; | |
1520 | QObject *o; | |
1521 | bool ambiguous; | |
1522 | ||
1523 | pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous); | |
1524 | g_assert(!ambiguous); | |
1525 | g_assert(pci_host); | |
1526 | ||
1527 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL); | |
1528 | if (!o) { | |
1529 | return false; | |
1530 | } | |
1531 | mcfg->mcfg_base = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 1532 | qobject_decref(o); |
72c194f7 MT |
1533 | |
1534 | o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL); | |
1535 | assert(o); | |
1536 | mcfg->mcfg_size = qint_get_int(qobject_to_qint(o)); | |
097a97a6 | 1537 | qobject_decref(o); |
72c194f7 MT |
1538 | return true; |
1539 | } | |
1540 | ||
d4eb9119 LT |
1541 | static bool acpi_has_iommu(void) |
1542 | { | |
1543 | bool ambiguous; | |
1544 | Object *intel_iommu; | |
1545 | ||
1546 | intel_iommu = object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE, | |
1547 | &ambiguous); | |
1548 | return intel_iommu && !ambiguous; | |
1549 | } | |
1550 | ||
72c194f7 MT |
1551 | static |
1552 | void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables) | |
1553 | { | |
1554 | GArray *table_offsets; | |
07fb6176 | 1555 | unsigned facs, ssdt, dsdt, rsdt; |
72c194f7 MT |
1556 | AcpiCpuInfo cpu; |
1557 | AcpiPmInfo pm; | |
1558 | AcpiMiscInfo misc; | |
1559 | AcpiMcfgInfo mcfg; | |
1560 | PcPciInfo pci; | |
1561 | uint8_t *u; | |
07fb6176 | 1562 | size_t aml_len = 0; |
72c194f7 MT |
1563 | |
1564 | acpi_get_cpu_info(&cpu); | |
1565 | acpi_get_pm_info(&pm); | |
1566 | acpi_get_dsdt(&misc); | |
72c194f7 MT |
1567 | acpi_get_misc_info(&misc); |
1568 | acpi_get_pci_info(&pci); | |
1569 | ||
1570 | table_offsets = g_array_new(false, true /* clear */, | |
1571 | sizeof(uint32_t)); | |
1572 | ACPI_BUILD_DPRINTF(3, "init ACPI tables\n"); | |
1573 | ||
1574 | bios_linker_loader_alloc(tables->linker, ACPI_BUILD_TABLE_FILE, | |
1575 | 64 /* Ensure FACS is aligned */, | |
1576 | false /* high memory */); | |
1577 | ||
1578 | /* | |
1579 | * FACS is pointed to by FADT. | |
1580 | * We place it first since it's the only table that has alignment | |
1581 | * requirements. | |
1582 | */ | |
1583 | facs = tables->table_data->len; | |
1584 | build_facs(tables->table_data, tables->linker, guest_info); | |
1585 | ||
1586 | /* DSDT is pointed to by FADT */ | |
1587 | dsdt = tables->table_data->len; | |
1588 | build_dsdt(tables->table_data, tables->linker, &misc); | |
1589 | ||
07fb6176 PB |
1590 | /* Count the size of the DSDT and SSDT, we will need it for legacy |
1591 | * sizing of ACPI tables. | |
1592 | */ | |
1593 | aml_len += tables->table_data->len - dsdt; | |
1594 | ||
72c194f7 MT |
1595 | /* ACPI tables pointed to by RSDT */ |
1596 | acpi_add_table(table_offsets, tables->table_data); | |
1597 | build_fadt(tables->table_data, tables->linker, &pm, facs, dsdt); | |
72c194f7 | 1598 | |
07fb6176 | 1599 | ssdt = tables->table_data->len; |
9ac1c4c0 | 1600 | acpi_add_table(table_offsets, tables->table_data); |
72c194f7 MT |
1601 | build_ssdt(tables->table_data, tables->linker, &cpu, &pm, &misc, &pci, |
1602 | guest_info); | |
07fb6176 | 1603 | aml_len += tables->table_data->len - ssdt; |
72c194f7 | 1604 | |
72c194f7 | 1605 | acpi_add_table(table_offsets, tables->table_data); |
9ac1c4c0 MT |
1606 | build_madt(tables->table_data, tables->linker, &cpu, guest_info); |
1607 | ||
72c194f7 | 1608 | if (misc.has_hpet) { |
9ac1c4c0 | 1609 | acpi_add_table(table_offsets, tables->table_data); |
72c194f7 | 1610 | build_hpet(tables->table_data, tables->linker); |
711b20b4 SB |
1611 | } |
1612 | if (misc.has_tpm) { | |
1613 | acpi_add_table(table_offsets, tables->table_data); | |
42a5b308 | 1614 | build_tpm_tcpa(tables->table_data, tables->linker, tables->tcpalog); |
711b20b4 SB |
1615 | |
1616 | acpi_add_table(table_offsets, tables->table_data); | |
1617 | build_tpm_ssdt(tables->table_data, tables->linker); | |
72c194f7 MT |
1618 | } |
1619 | if (guest_info->numa_nodes) { | |
1620 | acpi_add_table(table_offsets, tables->table_data); | |
dd0247e0 | 1621 | build_srat(tables->table_data, tables->linker, guest_info); |
72c194f7 MT |
1622 | } |
1623 | if (acpi_get_mcfg(&mcfg)) { | |
1624 | acpi_add_table(table_offsets, tables->table_data); | |
1625 | build_mcfg_q35(tables->table_data, tables->linker, &mcfg); | |
1626 | } | |
d4eb9119 LT |
1627 | if (acpi_has_iommu()) { |
1628 | acpi_add_table(table_offsets, tables->table_data); | |
1629 | build_dmar_q35(tables->table_data, tables->linker); | |
1630 | } | |
72c194f7 MT |
1631 | |
1632 | /* Add tables supplied by user (if any) */ | |
1633 | for (u = acpi_table_first(); u; u = acpi_table_next(u)) { | |
1634 | unsigned len = acpi_table_len(u); | |
1635 | ||
1636 | acpi_add_table(table_offsets, tables->table_data); | |
1637 | g_array_append_vals(tables->table_data, u, len); | |
1638 | } | |
1639 | ||
1640 | /* RSDT is pointed to by RSDP */ | |
1641 | rsdt = tables->table_data->len; | |
1642 | build_rsdt(tables->table_data, tables->linker, table_offsets); | |
1643 | ||
1644 | /* RSDP is in FSEG memory, so allocate it separately */ | |
1645 | build_rsdp(tables->rsdp, tables->linker, rsdt); | |
1646 | ||
07fb6176 | 1647 | /* We'll expose it all to Guest so we want to reduce |
72c194f7 MT |
1648 | * chance of size changes. |
1649 | * RSDP is small so it's easy to keep it immutable, no need to | |
1650 | * bother with alignment. | |
07fb6176 PB |
1651 | * |
1652 | * We used to align the tables to 4k, but of course this would | |
1653 | * too simple to be enough. 4k turned out to be too small an | |
1654 | * alignment very soon, and in fact it is almost impossible to | |
1655 | * keep the table size stable for all (max_cpus, max_memory_slots) | |
1656 | * combinations. So the table size is always 64k for pc-i440fx-2.1 | |
1657 | * and we give an error if the table grows beyond that limit. | |
1658 | * | |
1659 | * We still have the problem of migrating from "-M pc-i440fx-2.0". For | |
1660 | * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables | |
1661 | * than 2.0 and we can always pad the smaller tables with zeros. We can | |
1662 | * then use the exact size of the 2.0 tables. | |
1663 | * | |
1664 | * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration. | |
72c194f7 | 1665 | */ |
07fb6176 PB |
1666 | if (guest_info->legacy_acpi_table_size) { |
1667 | /* Subtracting aml_len gives the size of fixed tables. Then add the | |
1668 | * size of the PIIX4 DSDT/SSDT in QEMU 2.0. | |
1669 | */ | |
1670 | int legacy_aml_len = | |
1671 | guest_info->legacy_acpi_table_size + | |
1672 | ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus; | |
1673 | int legacy_table_size = | |
1674 | ROUND_UP(tables->table_data->len - aml_len + legacy_aml_len, | |
1675 | ACPI_BUILD_ALIGN_SIZE); | |
1676 | if (tables->table_data->len > legacy_table_size) { | |
1677 | /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */ | |
868270f2 | 1678 | error_report("Warning: migration may not work."); |
07fb6176 PB |
1679 | } |
1680 | g_array_set_size(tables->table_data, legacy_table_size); | |
1681 | } else { | |
868270f2 MT |
1682 | /* Make sure we have a buffer in case we need to resize the tables. */ |
1683 | if (tables->table_data->len > ACPI_BUILD_TABLE_SIZE / 2) { | |
18045fb9 | 1684 | /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ |
868270f2 MT |
1685 | error_report("Warning: ACPI tables are larger than 64k."); |
1686 | error_report("Warning: migration may not work."); | |
1687 | error_report("Warning: please remove CPUs, NUMA nodes, " | |
1688 | "memory slots or PCI bridges."); | |
18045fb9 | 1689 | } |
868270f2 | 1690 | acpi_align_size(tables->table_data, ACPI_BUILD_TABLE_SIZE); |
07fb6176 | 1691 | } |
72c194f7 | 1692 | |
07fb6176 | 1693 | acpi_align_size(tables->linker, ACPI_BUILD_ALIGN_SIZE); |
72c194f7 MT |
1694 | |
1695 | /* Cleanup memory that's no longer used. */ | |
1696 | g_array_free(table_offsets, true); | |
1697 | } | |
1698 | ||
1699 | static void acpi_build_update(void *build_opaque, uint32_t offset) | |
1700 | { | |
1701 | AcpiBuildState *build_state = build_opaque; | |
1702 | AcpiBuildTables tables; | |
1703 | ||
1704 | /* No state to update or already patched? Nothing to do. */ | |
1705 | if (!build_state || build_state->patched) { | |
1706 | return; | |
1707 | } | |
1708 | build_state->patched = 1; | |
1709 | ||
1710 | acpi_build_tables_init(&tables); | |
1711 | ||
1712 | acpi_build(build_state->guest_info, &tables); | |
1713 | ||
1714 | assert(acpi_data_len(tables.table_data) == build_state->table_size); | |
ad5b88b1 | 1715 | memcpy(qemu_get_ram_ptr(build_state->table_ram), tables.table_data->data, |
72c194f7 MT |
1716 | build_state->table_size); |
1717 | ||
ad5b88b1 MT |
1718 | cpu_physical_memory_set_dirty_range_nocode(build_state->table_ram, |
1719 | build_state->table_size); | |
1720 | ||
72c194f7 MT |
1721 | acpi_build_tables_cleanup(&tables, true); |
1722 | } | |
1723 | ||
1724 | static void acpi_build_reset(void *build_opaque) | |
1725 | { | |
1726 | AcpiBuildState *build_state = build_opaque; | |
1727 | build_state->patched = 0; | |
1728 | } | |
1729 | ||
ad5b88b1 | 1730 | static ram_addr_t acpi_add_rom_blob(AcpiBuildState *build_state, GArray *blob, |
72c194f7 MT |
1731 | const char *name) |
1732 | { | |
1733 | return rom_add_blob(name, blob->data, acpi_data_len(blob), -1, name, | |
1734 | acpi_build_update, build_state); | |
1735 | } | |
1736 | ||
1737 | static const VMStateDescription vmstate_acpi_build = { | |
1738 | .name = "acpi_build", | |
1739 | .version_id = 1, | |
1740 | .minimum_version_id = 1, | |
d49805ae | 1741 | .fields = (VMStateField[]) { |
72c194f7 MT |
1742 | VMSTATE_UINT8(patched, AcpiBuildState), |
1743 | VMSTATE_END_OF_LIST() | |
1744 | }, | |
1745 | }; | |
1746 | ||
1747 | void acpi_setup(PcGuestInfo *guest_info) | |
1748 | { | |
1749 | AcpiBuildTables tables; | |
1750 | AcpiBuildState *build_state; | |
1751 | ||
1752 | if (!guest_info->fw_cfg) { | |
1753 | ACPI_BUILD_DPRINTF(3, "No fw cfg. Bailing out.\n"); | |
1754 | return; | |
1755 | } | |
1756 | ||
1757 | if (!guest_info->has_acpi_build) { | |
1758 | ACPI_BUILD_DPRINTF(3, "ACPI build disabled. Bailing out.\n"); | |
1759 | return; | |
1760 | } | |
1761 | ||
81adc513 MT |
1762 | if (!acpi_enabled) { |
1763 | ACPI_BUILD_DPRINTF(3, "ACPI disabled. Bailing out.\n"); | |
1764 | return; | |
1765 | } | |
1766 | ||
72c194f7 MT |
1767 | build_state = g_malloc0(sizeof *build_state); |
1768 | ||
1769 | build_state->guest_info = guest_info; | |
1770 | ||
99fd437d MT |
1771 | acpi_set_pci_info(); |
1772 | ||
72c194f7 MT |
1773 | acpi_build_tables_init(&tables); |
1774 | acpi_build(build_state->guest_info, &tables); | |
1775 | ||
1776 | /* Now expose it all to Guest */ | |
1777 | build_state->table_ram = acpi_add_rom_blob(build_state, tables.table_data, | |
1778 | ACPI_BUILD_TABLE_FILE); | |
ad5b88b1 | 1779 | assert(build_state->table_ram != RAM_ADDR_MAX); |
72c194f7 MT |
1780 | build_state->table_size = acpi_data_len(tables.table_data); |
1781 | ||
1782 | acpi_add_rom_blob(NULL, tables.linker, "etc/table-loader"); | |
1783 | ||
42a5b308 SB |
1784 | fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE, |
1785 | tables.tcpalog->data, acpi_data_len(tables.tcpalog)); | |
1786 | ||
72c194f7 MT |
1787 | /* |
1788 | * RSDP is small so it's easy to keep it immutable, no need to | |
1789 | * bother with ROM blobs. | |
1790 | */ | |
1791 | fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_RSDP_FILE, | |
1792 | tables.rsdp->data, acpi_data_len(tables.rsdp)); | |
1793 | ||
1794 | qemu_register_reset(acpi_build_reset, build_state); | |
1795 | acpi_build_reset(build_state); | |
1796 | vmstate_register(NULL, 0, &vmstate_acpi_build, build_state); | |
1797 | ||
1798 | /* Cleanup tables but don't free the memory: we track it | |
1799 | * in build_state. | |
1800 | */ | |
1801 | acpi_build_tables_cleanup(&tables, false); | |
1802 | } |