/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2012 NetApp, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * bhyve ACPI table generator. * * Create the minimal set of ACPI tables required to boot FreeBSD (and * hopefully other o/s's). * * The tables are placed in the guest's ROM area just below 1MB physical, * above the MPTable. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "bhyverun.h" #include "acpi.h" #include "basl.h" #include "pci_emul.h" #include "vmgenc.h" #define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX" #define BHYVE_ASL_SUFFIX ".aml" #define BHYVE_ASL_COMPILER "/usr/sbin/iasl" #define BHYVE_ADDRESS_IOAPIC 0xFEC00000 #define BHYVE_ADDRESS_HPET 0xFED00000 #define BHYVE_ADDRESS_LAPIC 0xFEE00000 static int basl_keep_temps; static int basl_verbose_iasl; static int basl_ncpu; static uint32_t hpet_capabilities; /* * Contains the full pathname of the template to be passed * to mkstemp/mktemps(3) */ static char basl_template[MAXPATHLEN]; static char basl_stemplate[MAXPATHLEN]; /* * State for dsdt_line(), dsdt_indent(), and dsdt_unindent(). */ static FILE *dsdt_fp; static int dsdt_indent_level; static int dsdt_error; static struct basl_table *rsdt; static struct basl_table *xsdt; struct basl_fio { int fd; FILE *fp; char f_name[MAXPATHLEN]; }; #define EFPRINTF(...) \ if (fprintf(__VA_ARGS__) < 0) goto err_exit #define EFFLUSH(x) \ if (fflush(x) != 0) goto err_exit /* * A list for additional ACPI devices like a TPM. */ struct acpi_device_list_entry { SLIST_ENTRY(acpi_device_list_entry) chain; const struct acpi_device *dev; }; static SLIST_HEAD(acpi_device_list, acpi_device_list_entry) acpi_devices = SLIST_HEAD_INITIALIZER(acpi_devices); int acpi_tables_add_device(const struct acpi_device *const dev) { struct acpi_device_list_entry *const entry = calloc(1, sizeof(*entry)); if (entry == NULL) { return (ENOMEM); } entry->dev = dev; SLIST_INSERT_HEAD(&acpi_devices, entry, chain); return (0); } /* * Helper routines for writing to the DSDT from other modules. */ void dsdt_line(const char *fmt, ...) { va_list ap; if (dsdt_error != 0) return; if (strcmp(fmt, "") != 0) { if (dsdt_indent_level != 0) EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' '); va_start(ap, fmt); if (vfprintf(dsdt_fp, fmt, ap) < 0) { va_end(ap); goto err_exit; } va_end(ap); } EFPRINTF(dsdt_fp, "\n"); return; err_exit: dsdt_error = errno; } void dsdt_indent(int levels) { dsdt_indent_level += levels; assert(dsdt_indent_level >= 0); } void dsdt_unindent(int levels) { assert(dsdt_indent_level >= levels); dsdt_indent_level -= levels; } void dsdt_fixed_ioport(uint16_t iobase, uint16_t length) { dsdt_line("IO (Decode16,"); dsdt_line(" 0x%04X, // Range Minimum", iobase); dsdt_line(" 0x%04X, // Range Maximum", iobase); dsdt_line(" 0x01, // Alignment"); dsdt_line(" 0x%02X, // Length", length); dsdt_line(" )"); } void dsdt_fixed_irq(uint8_t irq) { dsdt_line("IRQNoFlags ()"); dsdt_line(" {%d}", irq); } void dsdt_fixed_mem32(uint32_t base, uint32_t length) { dsdt_line("Memory32Fixed (ReadWrite,"); dsdt_line(" 0x%08X, // Address Base", base); dsdt_line(" 0x%08X, // Address Length", length); dsdt_line(" )"); } static int basl_fwrite_dsdt(FILE *fp) { dsdt_fp = fp; dsdt_error = 0; dsdt_indent_level = 0; dsdt_line("/*"); dsdt_line(" * bhyve DSDT template"); dsdt_line(" */"); dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2," "\"BHYVE \", \"BVDSDT \", 0x00000001)"); dsdt_line("{"); dsdt_line(" Name (_S5, Package ()"); dsdt_line(" {"); dsdt_line(" 0x05,"); dsdt_line(" Zero,"); dsdt_line(" })"); pci_write_dsdt(); dsdt_line(""); dsdt_line(" Scope (_SB.PC00)"); dsdt_line(" {"); dsdt_line(" Device (HPET)"); dsdt_line(" {"); dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))"); dsdt_line(" Name (_UID, 0)"); dsdt_line(" Name (_CRS, ResourceTemplate ()"); dsdt_line(" {"); dsdt_indent(4); dsdt_fixed_mem32(0xFED00000, 0x400); dsdt_unindent(4); dsdt_line(" })"); dsdt_line(" }"); dsdt_line(" }"); vmgenc_write_dsdt(); const struct acpi_device_list_entry *entry; SLIST_FOREACH(entry, &acpi_devices, chain) { BASL_EXEC(acpi_device_write_dsdt(entry->dev)); } dsdt_line("}"); if (dsdt_error != 0) return (dsdt_error); EFFLUSH(fp); return (0); err_exit: return (errno); } static int basl_open(struct basl_fio *bf, int suffix) { int err; err = 0; if (suffix) { strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN); bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX)); } else { strlcpy(bf->f_name, basl_template, MAXPATHLEN); bf->fd = mkstemp(bf->f_name); } if (bf->fd > 0) { bf->fp = fdopen(bf->fd, "w+"); if (bf->fp == NULL) { unlink(bf->f_name); close(bf->fd); } } else { err = 1; } return (err); } static void basl_close(struct basl_fio *bf) { if (!basl_keep_temps) unlink(bf->f_name); fclose(bf->fp); } static int basl_start(struct basl_fio *in, struct basl_fio *out) { int err; err = basl_open(in, 0); if (!err) { err = basl_open(out, 1); if (err) { basl_close(in); } } return (err); } static void basl_end(struct basl_fio *in, struct basl_fio *out) { basl_close(in); basl_close(out); } static int basl_load(struct vmctx *ctx, int fd) { struct stat sb; void *addr; if (fstat(fd, &sb) < 0) return (errno); addr = calloc(1, sb.st_size); if (addr == NULL) return (EFAULT); if (read(fd, addr, sb.st_size) < 0) return (errno); struct basl_table *table; uint8_t name[ACPI_NAMESEG_SIZE + 1] = { 0 }; memcpy(name, addr, sizeof(name) - 1 /* last char is '\0' */); BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT)); BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size)); return (0); } static int basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *)) { struct basl_fio io[2]; static char iaslbuf[3*MAXPATHLEN + 10]; const char *fmt; int err; err = basl_start(&io[0], &io[1]); if (!err) { err = (*fwrite_section)(io[0].fp); if (!err) { /* * iasl sends the results of the compilation to * stdout. Shut this down by using the shell to * redirect stdout to /dev/null, unless the user * has requested verbose output for debugging * purposes */ fmt = basl_verbose_iasl ? "%s -p %s %s" : "/bin/sh -c \"%s -p %s %s\" 1> /dev/null"; snprintf(iaslbuf, sizeof(iaslbuf), fmt, BHYVE_ASL_COMPILER, io[1].f_name, io[0].f_name); err = system(iaslbuf); if (!err) { /* * Copy the aml output file into guest * memory at the specified location */ err = basl_load(ctx, io[1].fd); } } basl_end(&io[0], &io[1]); } return (err); } static int basl_make_templates(void) { const char *tmpdir; int err; int len; err = 0; /* * */ if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' || (tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') { tmpdir = _PATH_TMP; } len = strlen(tmpdir); if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) { strcpy(basl_template, tmpdir); while (len > 0 && basl_template[len - 1] == '/') len--; basl_template[len] = '/'; strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE); } else err = E2BIG; if (!err) { /* * len has been intialized (and maybe adjusted) above */ if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 + sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) { strcpy(basl_stemplate, tmpdir); basl_stemplate[len] = '/'; strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE); len = strlen(basl_stemplate); strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX); } else err = E2BIG; } return (err); } static int build_dsdt(struct vmctx *const ctx) { BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt)); return (0); } static int build_facs(struct vmctx *const ctx) { ACPI_TABLE_FACS facs; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS, BASL_TABLE_ALIGNMENT_FACS)); memset(&facs, 0, sizeof(facs)); memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE); facs.Length = sizeof(facs); facs.Version = htole32(2); BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs))); return (0); } static int build_fadt(struct vmctx *const ctx) { ACPI_TABLE_FADT fadt; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT, BASL_TABLE_ALIGNMENT)); memset(&fadt, 0, sizeof(fadt)); BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1)); fadt.Facs = htole32(0); /* patched by basl */ fadt.Dsdt = htole32(0); /* patched by basl */ fadt.SciInterrupt = htole16(SCI_INT); fadt.SmiCommand = htole32(SMI_CMD); fadt.AcpiEnable = BHYVE_ACPI_ENABLE; fadt.AcpiDisable = BHYVE_ACPI_DISABLE; fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR); fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR); fadt.PmTimerBlock = htole32(IO_PMTMR); fadt.Gpe0Block = htole32(IO_GPE0_BLK); fadt.Pm1EventLength = 4; fadt.Pm1ControlLength = 2; fadt.PmTimerLength = 4; fadt.Gpe0BlockLength = IO_GPE0_LEN; fadt.Century = 0x32; fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM); fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER | ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS | ACPI_FADT_APIC_PHYSICAL); basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9); fadt.ResetValue = 6; fadt.MinorRevision = 1; fadt.XFacs = htole64(0); /* patched by basl */ fadt.XDsdt = htole64(0); /* patched by basl */ basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR); basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10, 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR); basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0, ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR); basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO, IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK); basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0, ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0); basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, 0); basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, 0); BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt))); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs))); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt))); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS, offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs))); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT, offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt))); BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_FADT, ACPI_RSDT_ENTRY_SIZE)); BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_FADT, ACPI_XSDT_ENTRY_SIZE)); return (0); } static int build_hpet(struct vmctx *const ctx) { ACPI_TABLE_HPET hpet; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET, BASL_TABLE_ALIGNMENT)); memset(&hpet, 0, sizeof(hpet)); BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1)); hpet.Id = htole32(hpet_capabilities); basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0, ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET); hpet.Flags = ACPI_HPET_PAGE_PROTECT4; BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet))); BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_HPET, ACPI_RSDT_ENTRY_SIZE)); BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_HPET, ACPI_XSDT_ENTRY_SIZE)); return (0); } static int build_madt(struct vmctx *const ctx) { ACPI_TABLE_MADT madt; ACPI_MADT_LOCAL_APIC madt_lapic; ACPI_MADT_IO_APIC madt_ioapic; ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override; ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT, BASL_TABLE_ALIGNMENT)); memset(&madt, 0, sizeof(madt)); BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1)); madt.Address = htole32(BHYVE_ADDRESS_LAPIC); madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT); BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt))); /* Local APIC for each CPU */ for (int i = 0; i < basl_ncpu; ++i) { memset(&madt_lapic, 0, sizeof(madt_lapic)); madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC; madt_lapic.Header.Length = sizeof(madt_lapic); madt_lapic.ProcessorId = i; madt_lapic.Id = i; madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED); BASL_EXEC(basl_table_append_bytes(table, &madt_lapic, sizeof(madt_lapic))); } /* I/O APIC */ memset(&madt_ioapic, 0, sizeof(madt_ioapic)); madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC; madt_ioapic.Header.Length = sizeof(madt_ioapic); madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC); BASL_EXEC( basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic))); /* Legacy IRQ0 is connected to pin 2 of the I/O APIC */ memset(&madt_irq_override, 0, sizeof(madt_irq_override)); madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; madt_irq_override.Header.Length = sizeof(madt_irq_override); madt_irq_override.GlobalIrq = htole32(2); madt_irq_override.IntiFlags = htole16( ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, sizeof(madt_irq_override))); memset(&madt_irq_override, 0, sizeof(madt_irq_override)); madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE; madt_irq_override.Header.Length = sizeof(madt_irq_override); madt_irq_override.SourceIrq = SCI_INT; madt_irq_override.GlobalIrq = htole32(SCI_INT); madt_irq_override.IntiFlags = htole16( ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL); BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override, sizeof(madt_irq_override))); /* Local APIC NMI is conntected to LINT 1 on all CPUs */ memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi)); madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI; madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi); madt_lapic_nmi.ProcessorId = 0xFF; madt_lapic_nmi.IntiFlags = htole16( ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE); madt_lapic_nmi.Lint = 1; BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi, sizeof(madt_lapic_nmi))); BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MADT, ACPI_RSDT_ENTRY_SIZE)); BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MADT, ACPI_XSDT_ENTRY_SIZE)); return (0); } static int build_mcfg(struct vmctx *const ctx) { ACPI_TABLE_MCFG mcfg; ACPI_MCFG_ALLOCATION mcfg_allocation; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG, BASL_TABLE_ALIGNMENT)); memset(&mcfg, 0, sizeof(mcfg)); BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1)); BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg))); memset(&mcfg_allocation, 0, sizeof(mcfg_allocation)); mcfg_allocation.Address = htole64(pci_ecfg_base()); mcfg_allocation.EndBusNumber = 0xFF; BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation, sizeof(mcfg_allocation))); BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MCFG, ACPI_RSDT_ENTRY_SIZE)); BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MCFG, ACPI_XSDT_ENTRY_SIZE)); return (0); } static int build_rsdp(struct vmctx *const ctx) { ACPI_TABLE_RSDP rsdp; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME, BASL_TABLE_ALIGNMENT)); memset(&rsdp, 0, sizeof(rsdp)); memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8); rsdp.Checksum = 0; /* patched by basl */ memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE); rsdp.Revision = 2; rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */ rsdp.Length = htole32(0); /* patched by basl */ rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */ rsdp.ExtendedChecksum = 0; /* patched by basl */ BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp))); BASL_EXEC(basl_table_add_checksum(table, offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20)); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT, offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress), sizeof(rsdp.RsdtPhysicalAddress))); BASL_EXEC(basl_table_add_length(table, offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length))); BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT, offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress), sizeof(rsdp.XsdtPhysicalAddress))); BASL_EXEC(basl_table_add_checksum(table, offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0, BASL_TABLE_CHECKSUM_LEN_FULL_TABLE)); return (0); } static int build_rsdt(struct vmctx *const ctx) { BASL_EXEC( basl_table_create(&rsdt, ctx, ACPI_SIG_RSDT, BASL_TABLE_ALIGNMENT)); /* Header */ BASL_EXEC(basl_table_append_header(rsdt, ACPI_SIG_RSDT, 1, 1)); /* Pointers (added by other build_XXX funcs) */ return (0); } static int build_spcr(struct vmctx *const ctx) { ACPI_TABLE_SPCR spcr; struct basl_table *table; BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR, BASL_TABLE_ALIGNMENT)); memset(&spcr, 0, sizeof(spcr)); BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1)); spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE; basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0, ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8); spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259; spcr.PcInterrupt = 4; spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200; spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY; spcr.StopBits = ACPI_SPCR_STOP_BITS_1; spcr.FlowControl = 3; /* RTS/CTS | DCD */ spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8; BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr))); BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_SPCR, ACPI_RSDT_ENTRY_SIZE)); BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_SPCR, ACPI_XSDT_ENTRY_SIZE)); return (0); } static int build_xsdt(struct vmctx *const ctx) { BASL_EXEC( basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT, BASL_TABLE_ALIGNMENT)); /* Header */ BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1)); /* Pointers (added by other build_XXX funcs) */ return (0); } int acpi_build(struct vmctx *ctx, int ncpu) { int err; basl_ncpu = ncpu; err = vm_get_hpet_capabilities(ctx, &hpet_capabilities); if (err != 0) return (err); /* * For debug, allow the user to have iasl compiler output sent * to stdout rather than /dev/null */ if (getenv("BHYVE_ACPI_VERBOSE_IASL")) basl_verbose_iasl = 1; /* * Allow the user to keep the generated ASL files for debugging * instead of deleting them following use */ if (getenv("BHYVE_ACPI_KEEPTMPS")) basl_keep_temps = 1; BASL_EXEC(basl_init()); BASL_EXEC(basl_make_templates()); /* * Generate ACPI tables and copy them into guest memory. * * According to UEFI Specification v6.3 chapter 5.1 the FADT should be * the first table pointed to by XSDT. For that reason, build it as the * first table after XSDT. */ BASL_EXEC(build_rsdp(ctx)); BASL_EXEC(build_rsdt(ctx)); BASL_EXEC(build_xsdt(ctx)); BASL_EXEC(build_fadt(ctx)); BASL_EXEC(build_madt(ctx)); BASL_EXEC(build_hpet(ctx)); BASL_EXEC(build_mcfg(ctx)); BASL_EXEC(build_facs(ctx)); BASL_EXEC(build_spcr(ctx)); /* Build ACPI device-specific tables such as a TPM2 table. */ const struct acpi_device_list_entry *entry; SLIST_FOREACH(entry, &acpi_devices, chain) { BASL_EXEC(acpi_device_build_table(entry->dev)); } BASL_EXEC(build_dsdt(ctx)); BASL_EXEC(basl_finish()); return (0); }