1a4c03deaSrtm // system defined: 2a4c03deaSrtm #define T_DIVIDE 0 // divide error 3a4c03deaSrtm #define T_DEBUG 1 // debug exception 4a4c03deaSrtm #define T_NMI 2 // non-maskable interrupt 5a4c03deaSrtm #define T_BRKPT 3 // breakpoint 6a4c03deaSrtm #define T_OFLOW 4 // overflow 7a4c03deaSrtm #define T_BOUND 5 // bounds check 8a4c03deaSrtm #define T_ILLOP 6 // illegal opcode 9a4c03deaSrtm #define T_DEVICE 7 // device not available 10a4c03deaSrtm #define T_DBLFLT 8 // double fault 110cfc7290Srsc // #define T_COPROC 9 // reserved (not used since 486) 12a4c03deaSrtm #define T_TSS 10 // invalid task switch segment 13a4c03deaSrtm #define T_SEGNP 11 // segment not present 14a4c03deaSrtm #define T_STACK 12 // stack exception 15a4c03deaSrtm #define T_GPFLT 13 // genernal protection fault 16a4c03deaSrtm #define T_PGFLT 14 // page fault 17f5527388Srsc // #define T_RES 15 // reserved 18a4c03deaSrtm #define T_FPERR 16 // floating point error 19a4c03deaSrtm #define T_ALIGN 17 // aligment check 20a4c03deaSrtm #define T_MCHK 18 // machine check 21a4c03deaSrtm #define T_SIMDERR 19 // SIMD floating point error 22a4c03deaSrtm 23a4c03deaSrtm // These are arbitrarily chosen, but with care not to overlap 24a4c03deaSrtm // processor defined exceptions or interrupt vectors. 25a4c03deaSrtm #define T_SYSCALL 48 // system call 26a4c03deaSrtm #define T_DEFAULT 500 // catchall 27bd303ed0Skaashoek 28bd303ed0Skaashoek #define IRQ_OFFSET 32 // IRQ 0 corresponds to int IRQ_OFFSET 29bd303ed0Skaashoek 30*f7017212Skaashoek #define IRQ_TIMER 0 317abf49d2Skaashoek #define IRQ_KBD 1 327abf49d2Skaashoek #define IRQ_IDE 14 33bd303ed0Skaashoek #define IRQ_ERROR 19 34bd303ed0Skaashoek #define IRQ_SPURIOUS 31 35