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User utility to parse the ACPI MADT
Hacked out of Linux kernel code to do the same.
# ./acpidmp > acpidump.txt
$ acpixtract -a acpidump.txt
$ madt < APIC.dat
ACPI: APIC (v001 INTEL D845EBT2 0x20021021 MSFT 0x00000097) @ 0x(nil)
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
ACPI: LAPIC_NMI (acpi_id[0x01] polarity[0x0] trigger[0x0] lint[0x1])
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
ACPI: LAPIC_NMI (acpi_id[0x02] polarity[0x0] trigger[0x0] lint[0x1])
ACPI: INT_SRC_OVR (bus[0] irq[0x0] global_irq[0x2] polarity[0x0] trigger[0x0])
ACPI: INT_SRC_OVR (bus[0] irq[0x9] global_irq[0x9] polarity[0x1] trigger[0x3])
ACPI: IOAPIC (id[0x02] address[0xfec00000] global_irq_base[0x0])
Length 104 OK
Checksum OK
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