1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * bhyve ACPI table generator. 31 * 32 * Create the minimal set of ACPI tables required to boot FreeBSD (and 33 * hopefully other o/s's). 34 * 35 * The tables are placed in the guest's ROM area just below 1MB physical, 36 * above the MPTable. 37 */ 38 39 #include <sys/cdefs.h> 40 #include <sys/param.h> 41 #include <sys/endian.h> 42 #include <sys/errno.h> 43 #include <sys/stat.h> 44 45 #include <err.h> 46 #include <paths.h> 47 #include <stdarg.h> 48 #include <stddef.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <unistd.h> 53 54 #include <machine/vmm.h> 55 #include <vmmapi.h> 56 57 #include "bhyverun.h" 58 #include "acpi.h" 59 #include "basl.h" 60 #include "pci_emul.h" 61 #include "vmgenc.h" 62 63 #define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX" 64 #define BHYVE_ASL_SUFFIX ".aml" 65 #define BHYVE_ASL_COMPILER "/usr/sbin/iasl" 66 67 #define BHYVE_ADDRESS_IOAPIC 0xFEC00000 68 #define BHYVE_ADDRESS_HPET 0xFED00000 69 #define BHYVE_ADDRESS_LAPIC 0xFEE00000 70 71 static int basl_keep_temps; 72 static int basl_verbose_iasl; 73 static int basl_ncpu; 74 static uint32_t hpet_capabilities; 75 76 /* 77 * Contains the full pathname of the template to be passed 78 * to mkstemp/mktemps(3) 79 */ 80 static char basl_template[MAXPATHLEN]; 81 static char basl_stemplate[MAXPATHLEN]; 82 83 /* 84 * State for dsdt_line(), dsdt_indent(), and dsdt_unindent(). 85 */ 86 static FILE *dsdt_fp; 87 static int dsdt_indent_level; 88 static int dsdt_error; 89 90 struct basl_fio { 91 int fd; 92 FILE *fp; 93 char f_name[MAXPATHLEN]; 94 }; 95 96 #define EFPRINTF(...) \ 97 if (fprintf(__VA_ARGS__) < 0) goto err_exit 98 99 #define EFFLUSH(x) \ 100 if (fflush(x) != 0) goto err_exit 101 102 /* 103 * A list for additional ACPI devices like a TPM. 104 */ 105 struct acpi_device_list_entry { 106 SLIST_ENTRY(acpi_device_list_entry) chain; 107 const struct acpi_device *dev; 108 }; 109 static SLIST_HEAD(acpi_device_list, 110 acpi_device_list_entry) acpi_devices = SLIST_HEAD_INITIALIZER(acpi_devices); 111 112 int 113 acpi_tables_add_device(const struct acpi_device *const dev) 114 { 115 struct acpi_device_list_entry *const entry = calloc(1, sizeof(*entry)); 116 if (entry == NULL) { 117 return (ENOMEM); 118 } 119 120 entry->dev = dev; 121 SLIST_INSERT_HEAD(&acpi_devices, entry, chain); 122 123 return (0); 124 } 125 126 /* 127 * Helper routines for writing to the DSDT from other modules. 128 */ 129 void 130 dsdt_line(const char *fmt, ...) 131 { 132 va_list ap; 133 134 if (dsdt_error != 0) 135 return; 136 137 if (strcmp(fmt, "") != 0) { 138 if (dsdt_indent_level != 0) 139 EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' '); 140 va_start(ap, fmt); 141 if (vfprintf(dsdt_fp, fmt, ap) < 0) { 142 va_end(ap); 143 goto err_exit; 144 } 145 va_end(ap); 146 } 147 EFPRINTF(dsdt_fp, "\n"); 148 return; 149 150 err_exit: 151 dsdt_error = errno; 152 } 153 154 void 155 dsdt_indent(int levels) 156 { 157 158 dsdt_indent_level += levels; 159 assert(dsdt_indent_level >= 0); 160 } 161 162 void 163 dsdt_unindent(int levels) 164 { 165 166 assert(dsdt_indent_level >= levels); 167 dsdt_indent_level -= levels; 168 } 169 170 void 171 dsdt_fixed_ioport(uint16_t iobase, uint16_t length) 172 { 173 174 dsdt_line("IO (Decode16,"); 175 dsdt_line(" 0x%04X, // Range Minimum", iobase); 176 dsdt_line(" 0x%04X, // Range Maximum", iobase); 177 dsdt_line(" 0x01, // Alignment"); 178 dsdt_line(" 0x%02X, // Length", length); 179 dsdt_line(" )"); 180 } 181 182 void 183 dsdt_fixed_irq(uint8_t irq) 184 { 185 186 dsdt_line("IRQNoFlags ()"); 187 dsdt_line(" {%d}", irq); 188 } 189 190 void 191 dsdt_fixed_mem32(uint32_t base, uint32_t length) 192 { 193 194 dsdt_line("Memory32Fixed (ReadWrite,"); 195 dsdt_line(" 0x%08X, // Address Base", base); 196 dsdt_line(" 0x%08X, // Address Length", length); 197 dsdt_line(" )"); 198 } 199 200 static int 201 basl_fwrite_dsdt(FILE *fp) 202 { 203 dsdt_fp = fp; 204 dsdt_error = 0; 205 dsdt_indent_level = 0; 206 207 dsdt_line("/*"); 208 dsdt_line(" * bhyve DSDT template"); 209 dsdt_line(" */"); 210 dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2," 211 "\"BHYVE \", \"BVDSDT \", 0x00000001)"); 212 dsdt_line("{"); 213 dsdt_line(" Name (_S5, Package ()"); 214 dsdt_line(" {"); 215 dsdt_line(" 0x05,"); 216 dsdt_line(" Zero,"); 217 dsdt_line(" })"); 218 219 pci_write_dsdt(); 220 221 dsdt_line(""); 222 dsdt_line(" Scope (_SB.PC00)"); 223 dsdt_line(" {"); 224 dsdt_line(" Device (HPET)"); 225 dsdt_line(" {"); 226 dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))"); 227 dsdt_line(" Name (_UID, 0)"); 228 dsdt_line(" Name (_CRS, ResourceTemplate ()"); 229 dsdt_line(" {"); 230 dsdt_indent(4); 231 dsdt_fixed_mem32(0xFED00000, 0x400); 232 dsdt_unindent(4); 233 dsdt_line(" })"); 234 dsdt_line(" }"); 235 dsdt_line(" }"); 236 237 vmgenc_write_dsdt(); 238 239 const struct acpi_device_list_entry *entry; 240 SLIST_FOREACH(entry, &acpi_devices, chain) { 241 BASL_EXEC(acpi_device_write_dsdt(entry->dev)); 242 } 243 244 dsdt_line("}"); 245 246 if (dsdt_error != 0) 247 return (dsdt_error); 248 249 EFFLUSH(fp); 250 251 return (0); 252 253 err_exit: 254 return (errno); 255 } 256 257 static int 258 basl_open(struct basl_fio *bf, int suffix) 259 { 260 int err; 261 262 err = 0; 263 264 if (suffix) { 265 strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN); 266 bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX)); 267 } else { 268 strlcpy(bf->f_name, basl_template, MAXPATHLEN); 269 bf->fd = mkstemp(bf->f_name); 270 } 271 272 if (bf->fd > 0) { 273 bf->fp = fdopen(bf->fd, "w+"); 274 if (bf->fp == NULL) { 275 unlink(bf->f_name); 276 close(bf->fd); 277 } 278 } else { 279 err = 1; 280 } 281 282 return (err); 283 } 284 285 static void 286 basl_close(struct basl_fio *bf) 287 { 288 289 if (!basl_keep_temps) 290 unlink(bf->f_name); 291 fclose(bf->fp); 292 } 293 294 static int 295 basl_start(struct basl_fio *in, struct basl_fio *out) 296 { 297 int err; 298 299 err = basl_open(in, 0); 300 if (!err) { 301 err = basl_open(out, 1); 302 if (err) { 303 basl_close(in); 304 } 305 } 306 307 return (err); 308 } 309 310 static void 311 basl_end(struct basl_fio *in, struct basl_fio *out) 312 { 313 314 basl_close(in); 315 basl_close(out); 316 } 317 318 static int 319 basl_load(struct vmctx *ctx, int fd) 320 { 321 struct stat sb; 322 void *addr; 323 324 if (fstat(fd, &sb) < 0) 325 return (errno); 326 327 addr = calloc(1, sb.st_size); 328 if (addr == NULL) 329 return (EFAULT); 330 331 if (read(fd, addr, sb.st_size) < 0) 332 return (errno); 333 334 struct basl_table *table; 335 336 uint8_t name[ACPI_NAMESEG_SIZE + 1] = { 0 }; 337 memcpy(name, addr, sizeof(name) - 1 /* last char is '\0' */); 338 BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT)); 339 BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size)); 340 341 return (0); 342 } 343 344 static int 345 basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *)) 346 { 347 struct basl_fio io[2]; 348 static char iaslbuf[3*MAXPATHLEN + 10]; 349 const char *fmt; 350 int err; 351 352 err = basl_start(&io[0], &io[1]); 353 if (!err) { 354 err = (*fwrite_section)(io[0].fp); 355 356 if (!err) { 357 /* 358 * iasl sends the results of the compilation to 359 * stdout. Shut this down by using the shell to 360 * redirect stdout to /dev/null, unless the user 361 * has requested verbose output for debugging 362 * purposes 363 */ 364 fmt = basl_verbose_iasl ? 365 "%s -p %s %s" : 366 "/bin/sh -c \"%s -p %s %s\" 1> /dev/null"; 367 368 snprintf(iaslbuf, sizeof(iaslbuf), 369 fmt, 370 BHYVE_ASL_COMPILER, 371 io[1].f_name, io[0].f_name); 372 err = system(iaslbuf); 373 374 if (!err) { 375 /* 376 * Copy the aml output file into guest 377 * memory at the specified location 378 */ 379 err = basl_load(ctx, io[1].fd); 380 } 381 } 382 basl_end(&io[0], &io[1]); 383 } 384 385 return (err); 386 } 387 388 static int 389 basl_make_templates(void) 390 { 391 const char *tmpdir; 392 int err; 393 int len; 394 395 err = 0; 396 397 /* 398 * 399 */ 400 if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' || 401 (tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') { 402 tmpdir = _PATH_TMP; 403 } 404 405 len = strlen(tmpdir); 406 407 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) { 408 strcpy(basl_template, tmpdir); 409 while (len > 0 && basl_template[len - 1] == '/') 410 len--; 411 basl_template[len] = '/'; 412 strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE); 413 } else 414 err = E2BIG; 415 416 if (!err) { 417 /* 418 * len has been initialized (and maybe adjusted) above 419 */ 420 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 + 421 sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) { 422 strcpy(basl_stemplate, tmpdir); 423 basl_stemplate[len] = '/'; 424 strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE); 425 len = strlen(basl_stemplate); 426 strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX); 427 } else 428 err = E2BIG; 429 } 430 431 return (err); 432 } 433 434 static int 435 build_dsdt(struct vmctx *const ctx) 436 { 437 BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt)); 438 439 return (0); 440 } 441 442 static int 443 build_facs(struct vmctx *const ctx) 444 { 445 ACPI_TABLE_FACS facs; 446 struct basl_table *table; 447 448 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS, 449 BASL_TABLE_ALIGNMENT_FACS)); 450 451 memset(&facs, 0, sizeof(facs)); 452 memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE); 453 facs.Length = sizeof(facs); 454 facs.Version = htole32(2); 455 BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs))); 456 457 return (0); 458 } 459 460 static int 461 build_fadt(struct vmctx *const ctx) 462 { 463 ACPI_TABLE_FADT fadt; 464 struct basl_table *table; 465 466 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT, 467 BASL_TABLE_ALIGNMENT)); 468 469 memset(&fadt, 0, sizeof(fadt)); 470 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1)); 471 fadt.Facs = htole32(0); /* patched by basl */ 472 fadt.Dsdt = htole32(0); /* patched by basl */ 473 fadt.SciInterrupt = htole16(SCI_INT); 474 fadt.SmiCommand = htole32(SMI_CMD); 475 fadt.AcpiEnable = BHYVE_ACPI_ENABLE; 476 fadt.AcpiDisable = BHYVE_ACPI_DISABLE; 477 fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR); 478 fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR); 479 fadt.PmTimerBlock = htole32(IO_PMTMR); 480 fadt.Gpe0Block = htole32(IO_GPE0_BLK); 481 fadt.Pm1EventLength = 4; 482 fadt.Pm1ControlLength = 2; 483 fadt.PmTimerLength = 4; 484 fadt.Gpe0BlockLength = IO_GPE0_LEN; 485 fadt.Century = 0x32; 486 fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM); 487 fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | 488 ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER | 489 ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS | 490 ACPI_FADT_APIC_PHYSICAL); 491 basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 492 ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9); 493 fadt.ResetValue = 6; 494 fadt.MinorRevision = 1; 495 fadt.XFacs = htole64(0); /* patched by basl */ 496 fadt.XDsdt = htole64(0); /* patched by basl */ 497 basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, 498 ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR); 499 basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 500 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 501 basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10, 502 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR); 503 basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 504 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 505 basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 506 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 507 basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, 508 ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR); 509 basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO, 510 IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK); 511 basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 512 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 513 basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 514 ACPI_GAS_ACCESS_WIDTH_BYTE, 0); 515 basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 516 ACPI_GAS_ACCESS_WIDTH_BYTE, 0); 517 BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt))); 518 519 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, 520 offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs))); 521 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, 522 offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt))); 523 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, 524 offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs))); 525 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, 526 offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt))); 527 528 BASL_EXEC(basl_table_register_to_rsdt(table)); 529 530 return (0); 531 } 532 533 static int 534 build_hpet(struct vmctx *const ctx) 535 { 536 ACPI_TABLE_HPET hpet; 537 struct basl_table *table; 538 539 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET, 540 BASL_TABLE_ALIGNMENT)); 541 542 memset(&hpet, 0, sizeof(hpet)); 543 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1)); 544 hpet.Id = htole32(hpet_capabilities); 545 basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0, 546 ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET); 547 hpet.Flags = ACPI_HPET_PAGE_PROTECT4; 548 BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet))); 549 550 BASL_EXEC(basl_table_register_to_rsdt(table)); 551 552 return (0); 553 } 554 555 static int 556 build_madt(struct vmctx *const ctx) 557 { 558 ACPI_TABLE_MADT madt; 559 ACPI_MADT_LOCAL_APIC madt_lapic; 560 ACPI_MADT_IO_APIC madt_ioapic; 561 ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override; 562 ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi; 563 struct basl_table *table; 564 565 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT, 566 BASL_TABLE_ALIGNMENT)); 567 568 memset(&madt, 0, sizeof(madt)); 569 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1)); 570 madt.Address = htole32(BHYVE_ADDRESS_LAPIC); 571 madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT); 572 BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt))); 573 574 /* Local APIC for each CPU */ 575 for (int i = 0; i < basl_ncpu; ++i) { 576 memset(&madt_lapic, 0, sizeof(madt_lapic)); 577 madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC; 578 madt_lapic.Header.Length = sizeof(madt_lapic); 579 madt_lapic.ProcessorId = i; 580 madt_lapic.Id = i; 581 madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED); 582 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic, 583 sizeof(madt_lapic))); 584 } 585 586 /* I/O APIC */ 587 memset(&madt_ioapic, 0, sizeof(madt_ioapic)); 588 madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC; 589 madt_ioapic.Header.Length = sizeof(madt_ioapic); 590 madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC); 591 BASL_EXEC( 592 basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic))); 593 594 /* Legacy IRQ0 is connected to pin 2 of the I/O APIC */ 595 memset(&madt_irq_override, 0, sizeof(madt_irq_override)); 596 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; 597 madt_irq_override.Header.Length = sizeof(madt_irq_override); 598 madt_irq_override.GlobalIrq = htole32(2); 599 madt_irq_override.IntiFlags = htole16( 600 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); 601 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, 602 sizeof(madt_irq_override))); 603 604 memset(&madt_irq_override, 0, sizeof(madt_irq_override)); 605 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; 606 madt_irq_override.Header.Length = sizeof(madt_irq_override); 607 madt_irq_override.SourceIrq = SCI_INT; 608 madt_irq_override.GlobalIrq = htole32(SCI_INT); 609 madt_irq_override.IntiFlags = htole16( 610 ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL); 611 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, 612 sizeof(madt_irq_override))); 613 614 /* Local APIC NMI is conntected to LINT 1 on all CPUs */ 615 memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi)); 616 madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI; 617 madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi); 618 madt_lapic_nmi.ProcessorId = 0xFF; 619 madt_lapic_nmi.IntiFlags = htole16( 620 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); 621 madt_lapic_nmi.Lint = 1; 622 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi, 623 sizeof(madt_lapic_nmi))); 624 625 BASL_EXEC(basl_table_register_to_rsdt(table)); 626 627 return (0); 628 } 629 630 static int 631 build_mcfg(struct vmctx *const ctx) 632 { 633 ACPI_TABLE_MCFG mcfg; 634 ACPI_MCFG_ALLOCATION mcfg_allocation; 635 struct basl_table *table; 636 637 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG, 638 BASL_TABLE_ALIGNMENT)); 639 640 memset(&mcfg, 0, sizeof(mcfg)); 641 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1)); 642 BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg))); 643 644 memset(&mcfg_allocation, 0, sizeof(mcfg_allocation)); 645 mcfg_allocation.Address = htole64(pci_ecfg_base()); 646 mcfg_allocation.EndBusNumber = 0xFF; 647 BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation, 648 sizeof(mcfg_allocation))); 649 650 BASL_EXEC(basl_table_register_to_rsdt(table)); 651 652 return (0); 653 } 654 655 static int 656 build_rsdp(struct vmctx *const ctx) 657 { 658 ACPI_TABLE_RSDP rsdp; 659 struct basl_table *table; 660 661 BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME, 662 BASL_TABLE_ALIGNMENT)); 663 664 memset(&rsdp, 0, sizeof(rsdp)); 665 memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8); 666 rsdp.Checksum = 0; /* patched by basl */ 667 memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE); 668 rsdp.Revision = 2; 669 rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */ 670 rsdp.Length = htole32(0); /* patched by basl */ 671 rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */ 672 rsdp.ExtendedChecksum = 0; /* patched by basl */ 673 BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp))); 674 675 BASL_EXEC(basl_table_add_checksum(table, 676 offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20)); 677 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT, 678 offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress), 679 sizeof(rsdp.RsdtPhysicalAddress))); 680 BASL_EXEC(basl_table_add_length(table, 681 offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length))); 682 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT, 683 offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress), 684 sizeof(rsdp.XsdtPhysicalAddress))); 685 BASL_EXEC(basl_table_add_checksum(table, 686 offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0, 687 BASL_TABLE_CHECKSUM_LEN_FULL_TABLE)); 688 689 return (0); 690 } 691 692 static int 693 build_spcr(struct vmctx *const ctx) 694 { 695 ACPI_TABLE_SPCR spcr; 696 struct basl_table *table; 697 698 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR, 699 BASL_TABLE_ALIGNMENT)); 700 701 memset(&spcr, 0, sizeof(spcr)); 702 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1)); 703 spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE; 704 basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 705 ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8); 706 spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259; 707 spcr.PcInterrupt = 4; 708 spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200; 709 spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY; 710 spcr.StopBits = ACPI_SPCR_STOP_BITS_1; 711 spcr.FlowControl = 3; /* RTS/CTS | DCD */ 712 spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8; 713 BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr))); 714 715 BASL_EXEC(basl_table_register_to_rsdt(table)); 716 717 return (0); 718 } 719 720 int 721 acpi_build(struct vmctx *ctx, int ncpu) 722 { 723 int err; 724 725 basl_ncpu = ncpu; 726 727 err = vm_get_hpet_capabilities(ctx, &hpet_capabilities); 728 if (err != 0) 729 return (err); 730 731 /* 732 * For debug, allow the user to have iasl compiler output sent 733 * to stdout rather than /dev/null 734 */ 735 if (getenv("BHYVE_ACPI_VERBOSE_IASL")) 736 basl_verbose_iasl = 1; 737 738 /* 739 * Allow the user to keep the generated ASL files for debugging 740 * instead of deleting them following use 741 */ 742 if (getenv("BHYVE_ACPI_KEEPTMPS")) 743 basl_keep_temps = 1; 744 745 BASL_EXEC(basl_init(ctx)); 746 747 BASL_EXEC(basl_make_templates()); 748 749 /* 750 * Generate ACPI tables and copy them into guest memory. 751 * 752 * According to UEFI Specification v6.3 chapter 5.1 the FADT should be 753 * the first table pointed to by XSDT. For that reason, build it as the 754 * first table after XSDT. 755 */ 756 BASL_EXEC(build_rsdp(ctx)); 757 BASL_EXEC(build_fadt(ctx)); 758 BASL_EXEC(build_madt(ctx)); 759 BASL_EXEC(build_hpet(ctx)); 760 BASL_EXEC(build_mcfg(ctx)); 761 BASL_EXEC(build_facs(ctx)); 762 BASL_EXEC(build_spcr(ctx)); 763 764 /* Build ACPI device-specific tables such as a TPM2 table. */ 765 const struct acpi_device_list_entry *entry; 766 SLIST_FOREACH(entry, &acpi_devices, chain) { 767 BASL_EXEC(acpi_device_build_table(entry->dev)); 768 } 769 770 BASL_EXEC(build_dsdt(ctx)); 771 772 BASL_EXEC(basl_finish()); 773 774 return (0); 775 } 776