From a4c03dea09b7b5f2463147e979d20b035b81de96 Mon Sep 17 00:00:00 2001 From: rtm Date: Thu, 15 Jun 2006 16:02:20 +0000 Subject: primitive fork and exit system calls --- traps.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 traps.h (limited to 'traps.h') diff --git a/traps.h b/traps.h new file mode 100644 index 0000000..a81903c --- /dev/null +++ b/traps.h @@ -0,0 +1,26 @@ +// system defined: +#define T_DIVIDE 0 // divide error +#define T_DEBUG 1 // debug exception +#define T_NMI 2 // non-maskable interrupt +#define T_BRKPT 3 // breakpoint +#define T_OFLOW 4 // overflow +#define T_BOUND 5 // bounds check +#define T_ILLOP 6 // illegal opcode +#define T_DEVICE 7 // device not available +#define T_DBLFLT 8 // double fault +/* #define T_COPROC 9 */ // reserved (not generated by recent processors) +#define T_TSS 10 // invalid task switch segment +#define T_SEGNP 11 // segment not present +#define T_STACK 12 // stack exception +#define T_GPFLT 13 // genernal protection fault +#define T_PGFLT 14 // page fault +/* #define T_RES 15 */ // reserved +#define T_FPERR 16 // floating point error +#define T_ALIGN 17 // aligment check +#define T_MCHK 18 // machine check +#define T_SIMDERR 19 // SIMD floating point error + +// These are arbitrarily chosen, but with care not to overlap +// processor defined exceptions or interrupt vectors. +#define T_SYSCALL 48 // system call +#define T_DEFAULT 500 // catchall -- cgit v1.2.3