HelenOS sources

LEGACY_INTERRUPT_BASE   72 kernel/arch/ia64/include/arch/interrupt.h #define IRQ_KBD    (0x01 + LEGACY_INTERRUPT_BASE)
LEGACY_INTERRUPT_BASE   73 kernel/arch/ia64/include/arch/interrupt.h #define IRQ_MOUSE  (0x0c + LEGACY_INTERRUPT_BASE)
LEGACY_INTERRUPT_BASE   77 kernel/arch/ia64/src/ia64.c #define NS16550_IRQ  (4 + LEGACY_INTERRUPT_BASE)
LEGACY_INTERRUPT_BASE  122 kernel/arch/ia64/src/ia64.c 		((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i;