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 2022-04-06 11:10:42 +02:00
parent d61d712299
commit 897fe59adf
No known key found for this signature in database
GPG Key ID: D854DA56315E026A

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@ -109,7 +109,9 @@ __FBSDID("$FreeBSD$");
#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;
@ -241,94 +243,6 @@ basl_fwrite_xsdt(FILE *fp)
return (errno);
}
static int
basl_fwrite_madt(FILE *fp)
{
int i;
EFPRINTF(fp, "/*\n");
EFPRINTF(fp, " * bhyve MADT template\n");
EFPRINTF(fp, " */\n");
EFPRINTF(fp, "[0004]\t\tSignature : \"APIC\"\n");
EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVMADT \"\n");
EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
/* iasl will fill in the compiler ID/revision fields */
EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
EFPRINTF(fp, "\n");
EFPRINTF(fp, "[0004]\t\tLocal Apic Address : FEE00000\n");
EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
EFPRINTF(fp, "\t\t\tPC-AT Compatibility : 1\n");
EFPRINTF(fp, "\n");
/* Add a Processor Local APIC entry for each CPU */
for (i = 0; i < basl_ncpu; i++) {
EFPRINTF(fp, "[0001]\t\tSubtable Type : 00\n");
EFPRINTF(fp, "[0001]\t\tLength : 08\n");
/* iasl expects hex values for the proc and apic id's */
EFPRINTF(fp, "[0001]\t\tProcessor ID : %02x\n", i);
EFPRINTF(fp, "[0001]\t\tLocal Apic ID : %02x\n", i);
EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
EFPRINTF(fp, "\t\t\tProcessor Enabled : 1\n");
EFPRINTF(fp, "\t\t\tRuntime Online Capable : 0\n");
EFPRINTF(fp, "\n");
}
/* Always a single IOAPIC entry, with ID 0 */
EFPRINTF(fp, "[0001]\t\tSubtable Type : 01\n");
EFPRINTF(fp, "[0001]\t\tLength : 0C\n");
/* iasl expects a hex value for the i/o apic id */
EFPRINTF(fp, "[0001]\t\tI/O Apic ID : %02x\n", 0);
EFPRINTF(fp, "[0001]\t\tReserved : 00\n");
EFPRINTF(fp, "[0004]\t\tAddress : fec00000\n");
EFPRINTF(fp, "[0004]\t\tInterrupt : 00000000\n");
EFPRINTF(fp, "\n");
/* Legacy IRQ0 is connected to pin 2 of the IOAPIC */
EFPRINTF(fp, "[0001]\t\tSubtable Type : 02\n");
EFPRINTF(fp, "[0001]\t\tLength : 0A\n");
EFPRINTF(fp, "[0001]\t\tBus : 00\n");
EFPRINTF(fp, "[0001]\t\tSource : 00\n");
EFPRINTF(fp, "[0004]\t\tInterrupt : 00000002\n");
EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0005\n");
EFPRINTF(fp, "\t\t\tPolarity : 1\n");
EFPRINTF(fp, "\t\t\tTrigger Mode : 1\n");
EFPRINTF(fp, "\n");
EFPRINTF(fp, "[0001]\t\tSubtable Type : 02\n");
EFPRINTF(fp, "[0001]\t\tLength : 0A\n");
EFPRINTF(fp, "[0001]\t\tBus : 00\n");
EFPRINTF(fp, "[0001]\t\tSource : %02X\n", SCI_INT);
EFPRINTF(fp, "[0004]\t\tInterrupt : %08X\n", SCI_INT);
EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0000\n");
EFPRINTF(fp, "\t\t\tPolarity : 3\n");
EFPRINTF(fp, "\t\t\tTrigger Mode : 3\n");
EFPRINTF(fp, "\n");
/* Local APIC NMI is connected to LINT 1 on all CPUs */
EFPRINTF(fp, "[0001]\t\tSubtable Type : 04\n");
EFPRINTF(fp, "[0001]\t\tLength : 06\n");
EFPRINTF(fp, "[0001]\t\tProcessor ID : FF\n");
EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0005\n");
EFPRINTF(fp, "\t\t\tPolarity : 1\n");
EFPRINTF(fp, "\t\t\tTrigger Mode : 1\n");
EFPRINTF(fp, "[0001]\t\tInterrupt Input LINT : 01\n");
EFPRINTF(fp, "\n");
EFFLUSH(fp);
return (0);
err_exit:
return (errno);
}
static int
basl_fwrite_fadt(FILE *fp)
{
@ -896,6 +810,79 @@ build_hpet(struct vmctx *const ctx)
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, MADT_OFFSET));
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)));
return (0);
}
static int
build_mcfg(struct vmctx *const ctx)
{
@ -955,8 +942,8 @@ acpi_build(struct vmctx *ctx, int ncpu)
BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdp, 0));
BASL_EXEC(basl_compile(ctx, basl_fwrite_rsdt, RSDT_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_xsdt, XSDT_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_madt, MADT_OFFSET));
BASL_EXEC(basl_compile(ctx, basl_fwrite_fadt, FADT_OFFSET));
BASL_EXEC(build_madt(ctx));
BASL_EXEC(build_hpet(ctx));
BASL_EXEC(build_mcfg(ctx));
BASL_EXEC(build_facs(ctx));