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https://github.com/freebsd/freebsd-src
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bhyve: build MADT table by basl
Building the MADT table by basl will allow it to be loaded by qemu's ACPI table loader in the future. Reviewed by: jhb, markj (older version) Approved by: manu (mentor) MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36997
This commit is contained in:
Corvin Köhne
parent
d61d712299
commit
897fe59adf
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@ -109,7 +109,9 @@ __FBSDID("$FreeBSD$");
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#define BHYVE_ASL_SUFFIX ".aml"
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#define BHYVE_ASL_COMPILER "/usr/sbin/iasl"
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#define BHYVE_ADDRESS_IOAPIC 0xFEC00000
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#define BHYVE_ADDRESS_HPET 0xFED00000
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#define BHYVE_ADDRESS_LAPIC 0xFEE00000
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static int basl_keep_temps;
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static int basl_verbose_iasl;
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@ -241,94 +243,6 @@ basl_fwrite_xsdt(FILE *fp)
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return (errno);
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}
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static int
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basl_fwrite_madt(FILE *fp)
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{
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int i;
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve MADT template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"APIC\"\n");
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EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVMADT \"\n");
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EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
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/* iasl will fill in the compiler ID/revision fields */
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EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
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EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
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EFPRINTF(fp, "\n");
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EFPRINTF(fp, "[0004]\t\tLocal Apic Address : FEE00000\n");
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EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
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EFPRINTF(fp, "\t\t\tPC-AT Compatibility : 1\n");
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EFPRINTF(fp, "\n");
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/* Add a Processor Local APIC entry for each CPU */
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for (i = 0; i < basl_ncpu; i++) {
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 00\n");
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EFPRINTF(fp, "[0001]\t\tLength : 08\n");
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/* iasl expects hex values for the proc and apic id's */
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EFPRINTF(fp, "[0001]\t\tProcessor ID : %02x\n", i);
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EFPRINTF(fp, "[0001]\t\tLocal Apic ID : %02x\n", i);
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EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
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EFPRINTF(fp, "\t\t\tProcessor Enabled : 1\n");
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EFPRINTF(fp, "\t\t\tRuntime Online Capable : 0\n");
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EFPRINTF(fp, "\n");
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}
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/* Always a single IOAPIC entry, with ID 0 */
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 01\n");
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EFPRINTF(fp, "[0001]\t\tLength : 0C\n");
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/* iasl expects a hex value for the i/o apic id */
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EFPRINTF(fp, "[0001]\t\tI/O Apic ID : %02x\n", 0);
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EFPRINTF(fp, "[0001]\t\tReserved : 00\n");
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EFPRINTF(fp, "[0004]\t\tAddress : fec00000\n");
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EFPRINTF(fp, "[0004]\t\tInterrupt : 00000000\n");
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EFPRINTF(fp, "\n");
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/* Legacy IRQ0 is connected to pin 2 of the IOAPIC */
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 02\n");
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EFPRINTF(fp, "[0001]\t\tLength : 0A\n");
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EFPRINTF(fp, "[0001]\t\tBus : 00\n");
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EFPRINTF(fp, "[0001]\t\tSource : 00\n");
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EFPRINTF(fp, "[0004]\t\tInterrupt : 00000002\n");
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EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0005\n");
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EFPRINTF(fp, "\t\t\tPolarity : 1\n");
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EFPRINTF(fp, "\t\t\tTrigger Mode : 1\n");
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EFPRINTF(fp, "\n");
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 02\n");
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EFPRINTF(fp, "[0001]\t\tLength : 0A\n");
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EFPRINTF(fp, "[0001]\t\tBus : 00\n");
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EFPRINTF(fp, "[0001]\t\tSource : %02X\n", SCI_INT);
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EFPRINTF(fp, "[0004]\t\tInterrupt : %08X\n", SCI_INT);
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EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0000\n");
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EFPRINTF(fp, "\t\t\tPolarity : 3\n");
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EFPRINTF(fp, "\t\t\tTrigger Mode : 3\n");
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EFPRINTF(fp, "\n");
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/* Local APIC NMI is connected to LINT 1 on all CPUs */
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 04\n");
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EFPRINTF(fp, "[0001]\t\tLength : 06\n");
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EFPRINTF(fp, "[0001]\t\tProcessor ID : FF\n");
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EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0005\n");
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EFPRINTF(fp, "\t\t\tPolarity : 1\n");
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EFPRINTF(fp, "\t\t\tTrigger Mode : 1\n");
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EFPRINTF(fp, "[0001]\t\tInterrupt Input LINT : 01\n");
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EFPRINTF(fp, "\n");
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EFFLUSH(fp);
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return (0);
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err_exit:
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return (errno);
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}
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static int
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basl_fwrite_fadt(FILE *fp)
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{
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@ -896,6 +810,79 @@ build_hpet(struct vmctx *const ctx)
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return (0);
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}
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static int
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build_madt(struct vmctx *const ctx)
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{
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ACPI_TABLE_MADT madt;
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ACPI_MADT_LOCAL_APIC madt_lapic;
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ACPI_MADT_IO_APIC madt_ioapic;
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ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override;
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ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi;
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struct basl_table *table;
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BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT,
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BASL_TABLE_ALIGNMENT, MADT_OFFSET));
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memset(&madt, 0, sizeof(madt));
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BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1));
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madt.Address = htole32(BHYVE_ADDRESS_LAPIC);
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madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT);
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BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt)));
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/* Local APIC for each CPU */
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for (int i = 0; i < basl_ncpu; ++i) {
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memset(&madt_lapic, 0, sizeof(madt_lapic));
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madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC;
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madt_lapic.Header.Length = sizeof(madt_lapic);
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madt_lapic.ProcessorId = i;
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madt_lapic.Id = i;
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madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED);
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BASL_EXEC(basl_table_append_bytes(table, &madt_lapic,
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sizeof(madt_lapic)));
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}
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/* I/O APIC */
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memset(&madt_ioapic, 0, sizeof(madt_ioapic));
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madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC;
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madt_ioapic.Header.Length = sizeof(madt_ioapic);
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madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC);
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BASL_EXEC(
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basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic)));
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/* Legacy IRQ0 is connected to pin 2 of the I/O APIC */
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memset(&madt_irq_override, 0, sizeof(madt_irq_override));
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madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
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madt_irq_override.Header.Length = sizeof(madt_irq_override);
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madt_irq_override.GlobalIrq = htole32(2);
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madt_irq_override.IntiFlags = htole16(
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ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
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BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
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sizeof(madt_irq_override)));
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memset(&madt_irq_override, 0, sizeof(madt_irq_override));
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madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
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madt_irq_override.Header.Length = sizeof(madt_irq_override);
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madt_irq_override.SourceIrq = SCI_INT;
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madt_irq_override.GlobalIrq = htole32(SCI_INT);
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madt_irq_override.IntiFlags = htole16(
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ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL);
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BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
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sizeof(madt_irq_override)));
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/* Local APIC NMI is conntected to LINT 1 on all CPUs */
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memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi));
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madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI;
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madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi);
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madt_lapic_nmi.ProcessorId = 0xFF;
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madt_lapic_nmi.IntiFlags = htole16(
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ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
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madt_lapic_nmi.Lint = 1;
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BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi,
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sizeof(madt_lapic_nmi)));
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return (0);
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}
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static int
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build_mcfg(struct vmctx *const ctx)
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{
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@ -955,8 +942,8 @@ acpi_build(struct vmctx *ctx, int ncpu)
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BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdp, 0));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdt, RSDT_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_xsdt, XSDT_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_madt, MADT_OFFSET));
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BASL_EXEC(basl_compile(ctx, basl_fwrite_fadt, FADT_OFFSET));
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BASL_EXEC(build_madt(ctx));
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BASL_EXEC(build_hpet(ctx));
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BASL_EXEC(build_mcfg(ctx));
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BASL_EXEC(build_facs(ctx));
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