2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2012 NetApp, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
32 * bhyve ACPI table generator.
34 * Create the minimal set of ACPI tables required to boot FreeBSD (and
35 * hopefully other o/s's).
37 * The tables are placed in the guest's ROM area just below 1MB physical,
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
45 #include <sys/endian.h>
46 #include <sys/errno.h>
58 #include <machine/vmm.h>
67 #define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX"
68 #define BHYVE_ASL_SUFFIX ".aml"
69 #define BHYVE_ASL_COMPILER "/usr/sbin/iasl"
71 #define BHYVE_ADDRESS_IOAPIC 0xFEC00000
72 #define BHYVE_ADDRESS_HPET 0xFED00000
73 #define BHYVE_ADDRESS_LAPIC 0xFEE00000
75 static int basl_keep_temps;
76 static int basl_verbose_iasl;
78 static uint32_t hpet_capabilities;
81 * Contains the full pathname of the template to be passed
82 * to mkstemp/mktemps(3)
84 static char basl_template[MAXPATHLEN];
85 static char basl_stemplate[MAXPATHLEN];
88 * State for dsdt_line(), dsdt_indent(), and dsdt_unindent().
91 static int dsdt_indent_level;
92 static int dsdt_error;
94 static struct basl_table *rsdt;
95 static struct basl_table *xsdt;
100 char f_name[MAXPATHLEN];
103 #define EFPRINTF(...) \
104 if (fprintf(__VA_ARGS__) < 0) goto err_exit;
107 if (fflush(x) != 0) goto err_exit;
110 * Helper routines for writing to the DSDT from other modules.
113 dsdt_line(const char *fmt, ...)
120 if (strcmp(fmt, "") != 0) {
121 if (dsdt_indent_level != 0)
122 EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' ');
124 if (vfprintf(dsdt_fp, fmt, ap) < 0) {
130 EFPRINTF(dsdt_fp, "\n");
138 dsdt_indent(int levels)
141 dsdt_indent_level += levels;
142 assert(dsdt_indent_level >= 0);
146 dsdt_unindent(int levels)
149 assert(dsdt_indent_level >= levels);
150 dsdt_indent_level -= levels;
154 dsdt_fixed_ioport(uint16_t iobase, uint16_t length)
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);
166 dsdt_fixed_irq(uint8_t irq)
169 dsdt_line("IRQNoFlags ()");
170 dsdt_line(" {%d}", irq);
174 dsdt_fixed_mem32(uint32_t base, uint32_t length)
177 dsdt_line("Memory32Fixed (ReadWrite,");
178 dsdt_line(" 0x%08X, // Address Base", base);
179 dsdt_line(" 0x%08X, // Address Length", length);
184 basl_fwrite_dsdt(FILE *fp)
188 dsdt_indent_level = 0;
191 dsdt_line(" * bhyve DSDT template");
193 dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2,"
194 "\"BHYVE \", \"BVDSDT \", 0x00000001)");
196 dsdt_line(" Name (_S5, Package ()");
205 dsdt_line(" Scope (_SB.PC00)");
207 dsdt_line(" Device (HPET)");
209 dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))");
210 dsdt_line(" Name (_UID, 0)");
211 dsdt_line(" Name (_CRS, ResourceTemplate ()");
214 dsdt_fixed_mem32(0xFED00000, 0x400);
236 basl_open(struct basl_fio *bf, int suffix)
243 strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN);
244 bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX));
246 strlcpy(bf->f_name, basl_template, MAXPATHLEN);
247 bf->fd = mkstemp(bf->f_name);
251 bf->fp = fdopen(bf->fd, "w+");
252 if (bf->fp == NULL) {
264 basl_close(struct basl_fio *bf)
267 if (!basl_keep_temps)
273 basl_start(struct basl_fio *in, struct basl_fio *out)
277 err = basl_open(in, 0);
279 err = basl_open(out, 1);
289 basl_end(struct basl_fio *in, struct basl_fio *out)
297 basl_load(struct vmctx *ctx, int fd)
302 if (fstat(fd, &sb) < 0)
305 addr = calloc(1, sb.st_size);
309 if (read(fd, addr, sb.st_size) < 0)
312 struct basl_table *table;
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));
323 basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *))
325 struct basl_fio io[2];
326 static char iaslbuf[3*MAXPATHLEN + 10];
330 err = basl_start(&io[0], &io[1]);
332 err = (*fwrite_section)(io[0].fp);
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
342 fmt = basl_verbose_iasl ?
344 "/bin/sh -c \"%s -p %s %s\" 1> /dev/null";
346 snprintf(iaslbuf, sizeof(iaslbuf),
349 io[1].f_name, io[0].f_name);
350 err = system(iaslbuf);
354 * Copy the aml output file into guest
355 * memory at the specified location
357 err = basl_load(ctx, io[1].fd);
360 basl_end(&io[0], &io[1]);
367 basl_make_templates(void)
378 if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' ||
379 (tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') {
383 len = strlen(tmpdir);
385 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) {
386 strcpy(basl_template, tmpdir);
387 while (len > 0 && basl_template[len - 1] == '/')
389 basl_template[len] = '/';
390 strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE);
396 * len has been intialized (and maybe adjusted) above
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);
413 build_dsdt(struct vmctx *const ctx)
415 BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt));
421 build_facs(struct vmctx *const ctx)
423 ACPI_TABLE_FACS facs;
424 struct basl_table *table;
426 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS,
427 BASL_TABLE_ALIGNMENT_FACS));
429 memset(&facs, 0, sizeof(facs));
430 memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE);
431 facs.Length = sizeof(facs);
432 facs.Version = htole32(2);
433 BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs)));
439 build_fadt(struct vmctx *const ctx)
441 ACPI_TABLE_FADT fadt;
442 struct basl_table *table;
444 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT,
445 BASL_TABLE_ALIGNMENT));
447 memset(&fadt, 0, sizeof(fadt));
448 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1));
449 fadt.Facs = htole32(0); /* patched by basl */
450 fadt.Dsdt = htole32(0); /* patched by basl */
451 fadt.SciInterrupt = htole16(SCI_INT);
452 fadt.SmiCommand = htole32(SMI_CMD);
453 fadt.AcpiEnable = BHYVE_ACPI_ENABLE;
454 fadt.AcpiDisable = BHYVE_ACPI_DISABLE;
455 fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR);
456 fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR);
457 fadt.PmTimerBlock = htole32(IO_PMTMR);
458 fadt.Gpe0Block = htole32(IO_GPE0_BLK);
459 fadt.Pm1EventLength = 4;
460 fadt.Pm1ControlLength = 2;
461 fadt.PmTimerLength = 4;
462 fadt.Gpe0BlockLength = IO_GPE0_LEN;
464 fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM);
465 fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
466 ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER |
467 ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS |
468 ACPI_FADT_APIC_PHYSICAL);
469 basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
470 ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9);
472 fadt.MinorRevision = 1;
473 fadt.XFacs = htole64(0); /* patched by basl */
474 fadt.XDsdt = htole64(0); /* patched by basl */
475 basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
476 ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR);
477 basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
478 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
479 basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10,
480 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR);
481 basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
482 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
483 basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
484 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
485 basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
486 ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR);
487 basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO,
488 IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK);
489 basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
490 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
491 basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
492 ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
493 basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
494 ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
495 BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt)));
497 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
498 offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs)));
499 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
500 offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt)));
501 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
502 offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs)));
503 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
504 offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt)));
506 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_FADT,
507 ACPI_RSDT_ENTRY_SIZE));
508 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_FADT,
509 ACPI_XSDT_ENTRY_SIZE));
515 build_hpet(struct vmctx *const ctx)
517 ACPI_TABLE_HPET hpet;
518 struct basl_table *table;
520 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET,
521 BASL_TABLE_ALIGNMENT));
523 memset(&hpet, 0, sizeof(hpet));
524 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1));
525 hpet.Id = htole32(hpet_capabilities);
526 basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0,
527 ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET);
528 hpet.Flags = ACPI_HPET_PAGE_PROTECT4;
529 BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet)));
531 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_HPET,
532 ACPI_RSDT_ENTRY_SIZE));
533 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_HPET,
534 ACPI_XSDT_ENTRY_SIZE));
540 build_madt(struct vmctx *const ctx)
542 ACPI_TABLE_MADT madt;
543 ACPI_MADT_LOCAL_APIC madt_lapic;
544 ACPI_MADT_IO_APIC madt_ioapic;
545 ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override;
546 ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi;
547 struct basl_table *table;
549 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT,
550 BASL_TABLE_ALIGNMENT));
552 memset(&madt, 0, sizeof(madt));
553 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1));
554 madt.Address = htole32(BHYVE_ADDRESS_LAPIC);
555 madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT);
556 BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt)));
558 /* Local APIC for each CPU */
559 for (int i = 0; i < basl_ncpu; ++i) {
560 memset(&madt_lapic, 0, sizeof(madt_lapic));
561 madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC;
562 madt_lapic.Header.Length = sizeof(madt_lapic);
563 madt_lapic.ProcessorId = i;
565 madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED);
566 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic,
567 sizeof(madt_lapic)));
571 memset(&madt_ioapic, 0, sizeof(madt_ioapic));
572 madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC;
573 madt_ioapic.Header.Length = sizeof(madt_ioapic);
574 madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC);
576 basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic)));
578 /* Legacy IRQ0 is connected to pin 2 of the I/O APIC */
579 memset(&madt_irq_override, 0, sizeof(madt_irq_override));
580 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
581 madt_irq_override.Header.Length = sizeof(madt_irq_override);
582 madt_irq_override.GlobalIrq = htole32(2);
583 madt_irq_override.IntiFlags = htole16(
584 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
585 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
586 sizeof(madt_irq_override)));
588 memset(&madt_irq_override, 0, sizeof(madt_irq_override));
589 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
590 madt_irq_override.Header.Length = sizeof(madt_irq_override);
591 madt_irq_override.SourceIrq = SCI_INT;
592 madt_irq_override.GlobalIrq = htole32(SCI_INT);
593 madt_irq_override.IntiFlags = htole16(
594 ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL);
595 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
596 sizeof(madt_irq_override)));
598 /* Local APIC NMI is conntected to LINT 1 on all CPUs */
599 memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi));
600 madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI;
601 madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi);
602 madt_lapic_nmi.ProcessorId = 0xFF;
603 madt_lapic_nmi.IntiFlags = htole16(
604 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
605 madt_lapic_nmi.Lint = 1;
606 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi,
607 sizeof(madt_lapic_nmi)));
609 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MADT,
610 ACPI_RSDT_ENTRY_SIZE));
611 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MADT,
612 ACPI_XSDT_ENTRY_SIZE));
618 build_mcfg(struct vmctx *const ctx)
620 ACPI_TABLE_MCFG mcfg;
621 ACPI_MCFG_ALLOCATION mcfg_allocation;
622 struct basl_table *table;
624 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG,
625 BASL_TABLE_ALIGNMENT));
627 memset(&mcfg, 0, sizeof(mcfg));
628 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1));
629 BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg)));
631 memset(&mcfg_allocation, 0, sizeof(mcfg_allocation));
632 mcfg_allocation.Address = htole64(pci_ecfg_base());
633 mcfg_allocation.EndBusNumber = 0xFF;
634 BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation,
635 sizeof(mcfg_allocation)));
637 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MCFG,
638 ACPI_RSDT_ENTRY_SIZE));
639 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MCFG,
640 ACPI_XSDT_ENTRY_SIZE));
646 build_rsdp(struct vmctx *const ctx)
648 ACPI_TABLE_RSDP rsdp;
649 struct basl_table *table;
651 BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME,
652 BASL_TABLE_ALIGNMENT));
654 memset(&rsdp, 0, sizeof(rsdp));
655 memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8);
656 rsdp.Checksum = 0; /* patched by basl */
657 memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE);
659 rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */
660 rsdp.Length = htole32(0); /* patched by basl */
661 rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */
662 rsdp.ExtendedChecksum = 0; /* patched by basl */
663 BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp)));
665 BASL_EXEC(basl_table_add_checksum(table,
666 offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20));
667 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT,
668 offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress),
669 sizeof(rsdp.RsdtPhysicalAddress)));
670 BASL_EXEC(basl_table_add_length(table,
671 offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length)));
672 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT,
673 offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress),
674 sizeof(rsdp.XsdtPhysicalAddress)));
675 BASL_EXEC(basl_table_add_checksum(table,
676 offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0,
677 BASL_TABLE_CHECKSUM_LEN_FULL_TABLE));
683 build_rsdt(struct vmctx *const ctx)
686 basl_table_create(&rsdt, ctx, ACPI_SIG_RSDT, BASL_TABLE_ALIGNMENT));
689 BASL_EXEC(basl_table_append_header(rsdt, ACPI_SIG_RSDT, 1, 1));
690 /* Pointers (added by other build_XXX funcs) */
696 build_spcr(struct vmctx *const ctx)
698 ACPI_TABLE_SPCR spcr;
699 struct basl_table *table;
701 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR,
702 BASL_TABLE_ALIGNMENT));
704 memset(&spcr, 0, sizeof(spcr));
705 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1));
706 spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE;
707 basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
708 ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8);
709 spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259;
710 spcr.PcInterrupt = 4;
711 spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200;
712 spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY;
713 spcr.StopBits = ACPI_SPCR_STOP_BITS_1;
714 spcr.FlowControl = 3; /* RTS/CTS | DCD */
715 spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8;
716 BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr)));
718 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_SPCR,
719 ACPI_RSDT_ENTRY_SIZE));
720 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_SPCR,
721 ACPI_XSDT_ENTRY_SIZE));
727 build_xsdt(struct vmctx *const ctx)
730 basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT, BASL_TABLE_ALIGNMENT));
733 BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1));
734 /* Pointers (added by other build_XXX funcs) */
740 acpi_build(struct vmctx *ctx, int ncpu)
746 err = vm_get_hpet_capabilities(ctx, &hpet_capabilities);
751 * For debug, allow the user to have iasl compiler output sent
752 * to stdout rather than /dev/null
754 if (getenv("BHYVE_ACPI_VERBOSE_IASL"))
755 basl_verbose_iasl = 1;
758 * Allow the user to keep the generated ASL files for debugging
759 * instead of deleting them following use
761 if (getenv("BHYVE_ACPI_KEEPTMPS"))
764 BASL_EXEC(basl_init());
766 BASL_EXEC(basl_make_templates());
769 * Generate ACPI tables and copy them into guest memory.
771 * According to UEFI Specification v6.3 chapter 5.1 the FADT should be
772 * the first table pointed to by XSDT. For that reason, build it as the
773 * first table after XSDT.
775 BASL_EXEC(build_rsdp(ctx));
776 BASL_EXEC(build_rsdt(ctx));
777 BASL_EXEC(build_xsdt(ctx));
778 BASL_EXEC(build_fadt(ctx));
779 BASL_EXEC(build_madt(ctx));
780 BASL_EXEC(build_hpet(ctx));
781 BASL_EXEC(build_mcfg(ctx));
782 BASL_EXEC(build_facs(ctx));
783 BASL_EXEC(build_spcr(ctx));
784 BASL_EXEC(build_dsdt(ctx));
786 BASL_EXEC(basl_finish());