// These are arbitrarily chosen, but with care not to overlap // processor defined exceptions or interrupt vectors. #define T_SYSCALL 64 // system call #define T_DEFAULT 500 // catchall #define T_IRQ0 32 // IRQ 0 corresponds to int T_IRQ #define IRQ_TIMER 0 #define IRQ_KBD 1 #define IRQ_COM1 4 #define IRQ_IDE 14 #define IRQ_ERROR 19 #define IRQ_SPURIOUS 31