HelenOS sources

INT_HW0           105 kernel/arch/mips32/src/mach/malta/malta.c 	int_handler[INT_HW0] = malta_isa_irq_handler;
INT_HW0           106 kernel/arch/mips32/src/mach/malta/malta.c 	cp0_unmask_int(INT_HW0);
INT_HW0            81 kernel/arch/mips32/src/mach/msim/msim.c 	int_handler[INT_HW0] = msim_irq_handler;