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// IOAPIC addresses determined by LinuxBIOS enumeration.
// Someday add functions to get APIC IDs and versions from the chips themselves.
#define IOAPIC_ICH3 2
#define IOAPIC_P64H2_2_BUS_B 3 // IOAPIC 3 at 01:1c.0 MBAR = fe300000 DataAddr = fe300010
#define IOAPIC_P64H2_2_BUS_A 4 // IOAPIC 4 at 01:1e.0 MBAR = fe301000 DataAddr = fe301010
#define IOAPIC_P64H2_1_BUS_B 5 // IOAPIC 5 at 04:1c.0 MBAR = fe500000 DataAddr = fe500010
#define IOAPIC_P64H2_1_BUS_A 8 // IOAPIC 8 at 04:1e.0 MBAR = fe501000 DataAddr = fe501010
#define P64H2_IOAPIC_VERSION 0x20
#define INTEL_IOAPIC_NUM_INTERRUPTS 24 // Both ICH-3 and P64-H2
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