User utility to parse the ACPI MADT
Hacked out of Linux kernel code to do the same.

# ./acpidmp | ./acpixtract-pmtools APIC | ./madt

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
