1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 29 */ 30 31 /* 32 * bhyve ACPI table generator. 33 * 34 * Create the minimal set of ACPI tables required to boot FreeBSD (and 35 * hopefully other o/s's). 36 * 37 * The tables are placed in the guest's ROM area just below 1MB physical, 38 * above the MPTable. 39 */ 40 41 #include <sys/cdefs.h> 42 __FBSDID("$FreeBSD$"); 43 44 #include <sys/param.h> 45 #include <sys/endian.h> 46 #include <sys/errno.h> 47 #include <sys/stat.h> 48 49 #include <err.h> 50 #include <paths.h> 51 #include <stdarg.h> 52 #include <stddef.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include <machine/vmm.h> 59 #include <vmmapi.h> 60 61 #include "bhyverun.h" 62 #include "acpi.h" 63 #include "basl.h" 64 #include "pci_emul.h" 65 #include "vmgenc.h" 66 67 #define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX" 68 #define BHYVE_ASL_SUFFIX ".aml" 69 #define BHYVE_ASL_COMPILER "/usr/sbin/iasl" 70 71 #define BHYVE_ADDRESS_IOAPIC 0xFEC00000 72 #define BHYVE_ADDRESS_HPET 0xFED00000 73 #define BHYVE_ADDRESS_LAPIC 0xFEE00000 74 75 static int basl_keep_temps; 76 static int basl_verbose_iasl; 77 static int basl_ncpu; 78 static uint32_t hpet_capabilities; 79 80 /* 81 * Contains the full pathname of the template to be passed 82 * to mkstemp/mktemps(3) 83 */ 84 static char basl_template[MAXPATHLEN]; 85 static char basl_stemplate[MAXPATHLEN]; 86 87 /* 88 * State for dsdt_line(), dsdt_indent(), and dsdt_unindent(). 89 */ 90 static FILE *dsdt_fp; 91 static int dsdt_indent_level; 92 static int dsdt_error; 93 94 static struct basl_table *rsdt; 95 static struct basl_table *xsdt; 96 97 struct basl_fio { 98 int fd; 99 FILE *fp; 100 char f_name[MAXPATHLEN]; 101 }; 102 103 #define EFPRINTF(...) \ 104 if (fprintf(__VA_ARGS__) < 0) goto err_exit; 105 106 #define EFFLUSH(x) \ 107 if (fflush(x) != 0) goto err_exit; 108 109 /* 110 * Helper routines for writing to the DSDT from other modules. 111 */ 112 void 113 dsdt_line(const char *fmt, ...) 114 { 115 va_list ap; 116 117 if (dsdt_error != 0) 118 return; 119 120 if (strcmp(fmt, "") != 0) { 121 if (dsdt_indent_level != 0) 122 EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' '); 123 va_start(ap, fmt); 124 if (vfprintf(dsdt_fp, fmt, ap) < 0) { 125 va_end(ap); 126 goto err_exit; 127 } 128 va_end(ap); 129 } 130 EFPRINTF(dsdt_fp, "\n"); 131 return; 132 133 err_exit: 134 dsdt_error = errno; 135 } 136 137 void 138 dsdt_indent(int levels) 139 { 140 141 dsdt_indent_level += levels; 142 assert(dsdt_indent_level >= 0); 143 } 144 145 void 146 dsdt_unindent(int levels) 147 { 148 149 assert(dsdt_indent_level >= levels); 150 dsdt_indent_level -= levels; 151 } 152 153 void 154 dsdt_fixed_ioport(uint16_t iobase, uint16_t length) 155 { 156 157 dsdt_line("IO (Decode16,"); 158 dsdt_line(" 0x%04X, // Range Minimum", iobase); 159 dsdt_line(" 0x%04X, // Range Maximum", iobase); 160 dsdt_line(" 0x01, // Alignment"); 161 dsdt_line(" 0x%02X, // Length", length); 162 dsdt_line(" )"); 163 } 164 165 void 166 dsdt_fixed_irq(uint8_t irq) 167 { 168 169 dsdt_line("IRQNoFlags ()"); 170 dsdt_line(" {%d}", irq); 171 } 172 173 void 174 dsdt_fixed_mem32(uint32_t base, uint32_t length) 175 { 176 177 dsdt_line("Memory32Fixed (ReadWrite,"); 178 dsdt_line(" 0x%08X, // Address Base", base); 179 dsdt_line(" 0x%08X, // Address Length", length); 180 dsdt_line(" )"); 181 } 182 183 static int 184 basl_fwrite_dsdt(FILE *fp) 185 { 186 dsdt_fp = fp; 187 dsdt_error = 0; 188 dsdt_indent_level = 0; 189 190 dsdt_line("/*"); 191 dsdt_line(" * bhyve DSDT template"); 192 dsdt_line(" */"); 193 dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2," 194 "\"BHYVE \", \"BVDSDT \", 0x00000001)"); 195 dsdt_line("{"); 196 dsdt_line(" Name (_S5, Package ()"); 197 dsdt_line(" {"); 198 dsdt_line(" 0x05,"); 199 dsdt_line(" Zero,"); 200 dsdt_line(" })"); 201 202 pci_write_dsdt(); 203 204 dsdt_line(""); 205 dsdt_line(" Scope (_SB.PC00)"); 206 dsdt_line(" {"); 207 dsdt_line(" Device (HPET)"); 208 dsdt_line(" {"); 209 dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))"); 210 dsdt_line(" Name (_UID, 0)"); 211 dsdt_line(" Name (_CRS, ResourceTemplate ()"); 212 dsdt_line(" {"); 213 dsdt_indent(4); 214 dsdt_fixed_mem32(0xFED00000, 0x400); 215 dsdt_unindent(4); 216 dsdt_line(" })"); 217 dsdt_line(" }"); 218 dsdt_line(" }"); 219 220 vmgenc_write_dsdt(); 221 222 dsdt_line("}"); 223 224 if (dsdt_error != 0) 225 return (dsdt_error); 226 227 EFFLUSH(fp); 228 229 return (0); 230 231 err_exit: 232 return (errno); 233 } 234 235 static int 236 basl_open(struct basl_fio *bf, int suffix) 237 { 238 int err; 239 240 err = 0; 241 242 if (suffix) { 243 strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN); 244 bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX)); 245 } else { 246 strlcpy(bf->f_name, basl_template, MAXPATHLEN); 247 bf->fd = mkstemp(bf->f_name); 248 } 249 250 if (bf->fd > 0) { 251 bf->fp = fdopen(bf->fd, "w+"); 252 if (bf->fp == NULL) { 253 unlink(bf->f_name); 254 close(bf->fd); 255 } 256 } else { 257 err = 1; 258 } 259 260 return (err); 261 } 262 263 static void 264 basl_close(struct basl_fio *bf) 265 { 266 267 if (!basl_keep_temps) 268 unlink(bf->f_name); 269 fclose(bf->fp); 270 } 271 272 static int 273 basl_start(struct basl_fio *in, struct basl_fio *out) 274 { 275 int err; 276 277 err = basl_open(in, 0); 278 if (!err) { 279 err = basl_open(out, 1); 280 if (err) { 281 basl_close(in); 282 } 283 } 284 285 return (err); 286 } 287 288 static void 289 basl_end(struct basl_fio *in, struct basl_fio *out) 290 { 291 292 basl_close(in); 293 basl_close(out); 294 } 295 296 static int 297 basl_load(struct vmctx *ctx, int fd) 298 { 299 struct stat sb; 300 void *addr; 301 302 if (fstat(fd, &sb) < 0) 303 return (errno); 304 305 addr = calloc(1, sb.st_size); 306 if (addr == NULL) 307 return (EFAULT); 308 309 if (read(fd, addr, sb.st_size) < 0) 310 return (errno); 311 312 struct basl_table *table; 313 314 uint8_t name[ACPI_NAMESEG_SIZE + 1] = { 0 }; 315 memcpy(name, addr, sizeof(name) - 1 /* last char is '\0' */); 316 BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT)); 317 BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size)); 318 319 return (0); 320 } 321 322 static int 323 basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *)) 324 { 325 struct basl_fio io[2]; 326 static char iaslbuf[3*MAXPATHLEN + 10]; 327 const char *fmt; 328 int err; 329 330 err = basl_start(&io[0], &io[1]); 331 if (!err) { 332 err = (*fwrite_section)(io[0].fp); 333 334 if (!err) { 335 /* 336 * iasl sends the results of the compilation to 337 * stdout. Shut this down by using the shell to 338 * redirect stdout to /dev/null, unless the user 339 * has requested verbose output for debugging 340 * purposes 341 */ 342 fmt = basl_verbose_iasl ? 343 "%s -p %s %s" : 344 "/bin/sh -c \"%s -p %s %s\" 1> /dev/null"; 345 346 snprintf(iaslbuf, sizeof(iaslbuf), 347 fmt, 348 BHYVE_ASL_COMPILER, 349 io[1].f_name, io[0].f_name); 350 err = system(iaslbuf); 351 352 if (!err) { 353 /* 354 * Copy the aml output file into guest 355 * memory at the specified location 356 */ 357 err = basl_load(ctx, io[1].fd); 358 } 359 } 360 basl_end(&io[0], &io[1]); 361 } 362 363 return (err); 364 } 365 366 static int 367 basl_make_templates(void) 368 { 369 const char *tmpdir; 370 int err; 371 int len; 372 373 err = 0; 374 375 /* 376 * 377 */ 378 if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' || 379 (tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') { 380 tmpdir = _PATH_TMP; 381 } 382 383 len = strlen(tmpdir); 384 385 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) { 386 strcpy(basl_template, tmpdir); 387 while (len > 0 && basl_template[len - 1] == '/') 388 len--; 389 basl_template[len] = '/'; 390 strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE); 391 } else 392 err = E2BIG; 393 394 if (!err) { 395 /* 396 * len has been intialized (and maybe adjusted) above 397 */ 398 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 + 399 sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) { 400 strcpy(basl_stemplate, tmpdir); 401 basl_stemplate[len] = '/'; 402 strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE); 403 len = strlen(basl_stemplate); 404 strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX); 405 } else 406 err = E2BIG; 407 } 408 409 return (err); 410 } 411 412 static int 413 build_dsdt(struct vmctx *const ctx) 414 { 415 BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt)); 416 417 return (0); 418 } 419 420 static int 421 build_facs(struct vmctx *const ctx) 422 { 423 ACPI_TABLE_FACS facs; 424 struct basl_table *table; 425 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS, 426 BASL_TABLE_ALIGNMENT_FACS)); 427 428 memset(&facs, 0, sizeof(facs)); 429 memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE); 430 facs.Length = sizeof(facs); 431 facs.Version = htole32(2); 432 BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs))); 433 434 return (0); 435 } 436 437 static int 438 build_fadt(struct vmctx *const ctx) 439 { 440 ACPI_TABLE_FADT fadt; 441 struct basl_table *table; 442 443 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT, 444 BASL_TABLE_ALIGNMENT)); 445 446 memset(&fadt, 0, sizeof(fadt)); 447 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1)); 448 fadt.Facs = htole32(0); /* patched by basl */ 449 fadt.Dsdt = htole32(0); /* patched by basl */ 450 fadt.SciInterrupt = htole16(SCI_INT); 451 fadt.SmiCommand = htole32(SMI_CMD); 452 fadt.AcpiEnable = BHYVE_ACPI_ENABLE; 453 fadt.AcpiDisable = BHYVE_ACPI_DISABLE; 454 fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR); 455 fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR); 456 fadt.PmTimerBlock = htole32(IO_PMTMR); 457 fadt.Gpe0Block = htole32(IO_GPE0_BLK); 458 fadt.Pm1EventLength = 4; 459 fadt.Pm1ControlLength = 2; 460 fadt.PmTimerLength = 4; 461 fadt.Gpe0BlockLength = IO_GPE0_LEN; 462 fadt.Century = 0x32; 463 fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM); 464 fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | 465 ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER | 466 ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS | 467 ACPI_FADT_APIC_PHYSICAL); 468 basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 469 ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9); 470 fadt.ResetValue = 6; 471 fadt.MinorRevision = 1; 472 fadt.XFacs = htole64(0); /* patched by basl */ 473 fadt.XDsdt = htole64(0); /* patched by basl */ 474 basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, 475 ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR); 476 basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 477 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 478 basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10, 479 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR); 480 basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 481 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 482 basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 483 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 484 basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, 485 ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR); 486 basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO, 487 IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK); 488 basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, 489 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); 490 basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 491 ACPI_GAS_ACCESS_WIDTH_BYTE, 0); 492 basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 493 ACPI_GAS_ACCESS_WIDTH_BYTE, 0); 494 BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt))); 495 496 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, 497 offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs))); 498 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, 499 offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt))); 500 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, 501 offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs))); 502 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, 503 offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt))); 504 505 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_FADT, 506 ACPI_RSDT_ENTRY_SIZE)); 507 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_FADT, 508 ACPI_XSDT_ENTRY_SIZE)); 509 510 return (0); 511 } 512 513 static int 514 build_hpet(struct vmctx *const ctx) 515 { 516 ACPI_TABLE_HPET hpet; 517 struct basl_table *table; 518 519 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET, 520 BASL_TABLE_ALIGNMENT)); 521 522 memset(&hpet, 0, sizeof(hpet)); 523 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1)); 524 hpet.Id = htole32(hpet_capabilities); 525 basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0, 526 ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET); 527 hpet.Flags = ACPI_HPET_PAGE_PROTECT4; 528 BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet))); 529 530 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_HPET, 531 ACPI_RSDT_ENTRY_SIZE)); 532 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_HPET, 533 ACPI_XSDT_ENTRY_SIZE)); 534 535 return (0); 536 } 537 538 static int 539 build_madt(struct vmctx *const ctx) 540 { 541 ACPI_TABLE_MADT madt; 542 ACPI_MADT_LOCAL_APIC madt_lapic; 543 ACPI_MADT_IO_APIC madt_ioapic; 544 ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override; 545 ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi; 546 struct basl_table *table; 547 548 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT, 549 BASL_TABLE_ALIGNMENT)); 550 551 memset(&madt, 0, sizeof(madt)); 552 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1)); 553 madt.Address = htole32(BHYVE_ADDRESS_LAPIC); 554 madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT); 555 BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt))); 556 557 /* Local APIC for each CPU */ 558 for (int i = 0; i < basl_ncpu; ++i) { 559 memset(&madt_lapic, 0, sizeof(madt_lapic)); 560 madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC; 561 madt_lapic.Header.Length = sizeof(madt_lapic); 562 madt_lapic.ProcessorId = i; 563 madt_lapic.Id = i; 564 madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED); 565 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic, 566 sizeof(madt_lapic))); 567 } 568 569 /* I/O APIC */ 570 memset(&madt_ioapic, 0, sizeof(madt_ioapic)); 571 madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC; 572 madt_ioapic.Header.Length = sizeof(madt_ioapic); 573 madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC); 574 BASL_EXEC( 575 basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic))); 576 577 /* Legacy IRQ0 is connected to pin 2 of the I/O APIC */ 578 memset(&madt_irq_override, 0, sizeof(madt_irq_override)); 579 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; 580 madt_irq_override.Header.Length = sizeof(madt_irq_override); 581 madt_irq_override.GlobalIrq = htole32(2); 582 madt_irq_override.IntiFlags = htole16( 583 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); 584 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, 585 sizeof(madt_irq_override))); 586 587 memset(&madt_irq_override, 0, sizeof(madt_irq_override)); 588 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; 589 madt_irq_override.Header.Length = sizeof(madt_irq_override); 590 madt_irq_override.SourceIrq = SCI_INT; 591 madt_irq_override.GlobalIrq = htole32(SCI_INT); 592 madt_irq_override.IntiFlags = htole16( 593 ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL); 594 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, 595 sizeof(madt_irq_override))); 596 597 /* Local APIC NMI is conntected to LINT 1 on all CPUs */ 598 memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi)); 599 madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI; 600 madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi); 601 madt_lapic_nmi.ProcessorId = 0xFF; 602 madt_lapic_nmi.IntiFlags = htole16( 603 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); 604 madt_lapic_nmi.Lint = 1; 605 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi, 606 sizeof(madt_lapic_nmi))); 607 608 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MADT, 609 ACPI_RSDT_ENTRY_SIZE)); 610 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MADT, 611 ACPI_XSDT_ENTRY_SIZE)); 612 613 return (0); 614 } 615 616 static int 617 build_mcfg(struct vmctx *const ctx) 618 { 619 ACPI_TABLE_MCFG mcfg; 620 ACPI_MCFG_ALLOCATION mcfg_allocation; 621 struct basl_table *table; 622 623 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG, 624 BASL_TABLE_ALIGNMENT)); 625 626 memset(&mcfg, 0, sizeof(mcfg)); 627 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1)); 628 BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg))); 629 630 memset(&mcfg_allocation, 0, sizeof(mcfg_allocation)); 631 mcfg_allocation.Address = htole64(pci_ecfg_base()); 632 mcfg_allocation.EndBusNumber = 0xFF; 633 BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation, 634 sizeof(mcfg_allocation))); 635 636 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MCFG, 637 ACPI_RSDT_ENTRY_SIZE)); 638 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MCFG, 639 ACPI_XSDT_ENTRY_SIZE)); 640 641 return (0); 642 } 643 644 static int 645 build_rsdp(struct vmctx *const ctx) 646 { 647 ACPI_TABLE_RSDP rsdp; 648 struct basl_table *table; 649 650 BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME, 651 BASL_TABLE_ALIGNMENT)); 652 653 memset(&rsdp, 0, sizeof(rsdp)); 654 memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8); 655 rsdp.Checksum = 0; /* patched by basl */ 656 memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE); 657 rsdp.Revision = 2; 658 rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */ 659 rsdp.Length = htole32(0); /* patched by basl */ 660 rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */ 661 rsdp.ExtendedChecksum = 0; /* patched by basl */ 662 BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp))); 663 664 BASL_EXEC(basl_table_add_checksum(table, 665 offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20)); 666 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT, 667 offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress), 668 sizeof(rsdp.RsdtPhysicalAddress))); 669 BASL_EXEC(basl_table_add_length(table, 670 offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length))); 671 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT, 672 offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress), 673 sizeof(rsdp.XsdtPhysicalAddress))); 674 BASL_EXEC(basl_table_add_checksum(table, 675 offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0, 676 BASL_TABLE_CHECKSUM_LEN_FULL_TABLE)); 677 678 return (0); 679 } 680 681 static int 682 build_rsdt(struct vmctx *const ctx) 683 { 684 BASL_EXEC( 685 basl_table_create(&rsdt, ctx, ACPI_SIG_RSDT, BASL_TABLE_ALIGNMENT)); 686 687 /* Header */ 688 BASL_EXEC(basl_table_append_header(rsdt, ACPI_SIG_RSDT, 1, 1)); 689 /* Pointers (added by other build_XXX funcs) */ 690 691 return (0); 692 } 693 694 static int 695 build_spcr(struct vmctx *const ctx) 696 { 697 ACPI_TABLE_SPCR spcr; 698 struct basl_table *table; 699 700 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR, 701 BASL_TABLE_ALIGNMENT)); 702 703 memset(&spcr, 0, sizeof(spcr)); 704 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1)); 705 spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE; 706 basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, 707 ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8); 708 spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259; 709 spcr.PcInterrupt = 4; 710 spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200; 711 spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY; 712 spcr.StopBits = ACPI_SPCR_STOP_BITS_1; 713 spcr.FlowControl = 3; /* RTS/CTS | DCD */ 714 spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8; 715 BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr))); 716 717 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_SPCR, 718 ACPI_RSDT_ENTRY_SIZE)); 719 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_SPCR, 720 ACPI_XSDT_ENTRY_SIZE)); 721 722 return (0); 723 } 724 725 static int 726 build_xsdt(struct vmctx *const ctx) 727 { 728 BASL_EXEC( 729 basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT, BASL_TABLE_ALIGNMENT)); 730 731 /* Header */ 732 BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1)); 733 /* Pointers (added by other build_XXX funcs) */ 734 735 return (0); 736 } 737 738 int 739 acpi_build(struct vmctx *ctx, int ncpu) 740 { 741 int err; 742 743 basl_ncpu = ncpu; 744 745 err = vm_get_hpet_capabilities(ctx, &hpet_capabilities); 746 if (err != 0) 747 return (err); 748 749 /* 750 * For debug, allow the user to have iasl compiler output sent 751 * to stdout rather than /dev/null 752 */ 753 if (getenv("BHYVE_ACPI_VERBOSE_IASL")) 754 basl_verbose_iasl = 1; 755 756 /* 757 * Allow the user to keep the generated ASL files for debugging 758 * instead of deleting them following use 759 */ 760 if (getenv("BHYVE_ACPI_KEEPTMPS")) 761 basl_keep_temps = 1; 762 763 BASL_EXEC(basl_init()); 764 765 BASL_EXEC(basl_make_templates()); 766 767 /* 768 * Generate ACPI tables and copy them into guest memory. 769 * 770 * According to UEFI Specification v6.3 chapter 5.1 the FADT should be 771 * the first table pointed to by XSDT. For that reason, build it as the 772 * first table after XSDT. 773 */ 774 BASL_EXEC(build_rsdp(ctx)); 775 BASL_EXEC(build_rsdt(ctx)); 776 BASL_EXEC(build_xsdt(ctx)); 777 BASL_EXEC(build_fadt(ctx)); 778 BASL_EXEC(build_madt(ctx)); 779 BASL_EXEC(build_hpet(ctx)); 780 BASL_EXEC(build_mcfg(ctx)); 781 BASL_EXEC(build_facs(ctx)); 782 BASL_EXEC(build_spcr(ctx)); 783 BASL_EXEC(build_dsdt(ctx)); 784 785 BASL_EXEC(basl_finish()); 786 787 return (0); 788 } 789