[unix-history] / usr / src / sys / hp300 / hp300 / vectors.s

| Copyright (c) 1988 University of Utah
| Copyright (c) 1990 Regents of the University of California.
| All rights reserved.
|
| %sccs.include.redist.gas%
|
|       @(#)vectors.s   7.3 (Berkeley) %G%
|
#ifdef HPFPLIB
/*
* XXX the HP FP library mishandles "normal" F-line faults causing
* the kernel to crash, hence we detect it ourselves rather than just
* vectoring to "_fline".  We also always catch unsupported data type
* faults ourselves for no particular reason.
*/
#define _fpbsun         _bsun
#define _fpinex         _inex
#define _fpdz           _dz
#define _fpunfl         _unfl
#define _fpoperr        _operr
#define _fpovfl         _ovfl
#define _fpsnan         _snan
#else
#define _fpbsun         _fpfault
#define _fpinex         _fpfault
#define _fpdz           _fpfault
#define _fpunfl         _fpfault
#define _fpoperr        _fpfault
#define _fpovfl         _fpfault
#define _fpsnan         _fpfault
#endif

       .text
       .globl  _buserr,_addrerr
       .globl  _illinst,_zerodiv,_chkinst,_trapvinst,_privinst,_trace
       .globl  _badtrap
       .globl  _spurintr,_lev1intr,_lev2intr,_lev3intr
       .globl  _lev4intr,_lev5intr,_lev6intr,_lev7intr
       .globl  _trap0,_trap1,_trap2,_trap15
       .globl  _fpfline, _fpunsupp, _fpfault
       .globl  _fpbsun, _fpinex, _fpdz, _fpunfl, _fpoperr, _fpovfl, _fpsnan
       .globl  _trap12

Lvectab:
       .long   0x4ef80400      /* 0: jmp 0x400:w (unused reset SSP) */
       .long   0               /* 1: NOT USED (reset PC) */
       .long   _buserr         /* 2: bus error */
       .long   _addrerr        /* 3: address error */
       .long   _illinst        /* 4: illegal instruction */
       .long   _zerodiv        /* 5: zero divide */
       .long   _chkinst        /* 6: CHK instruction */
       .long   _trapvinst      /* 7: TRAPV instruction */
       .long   _privinst       /* 8: privilege violation */
       .long   _trace          /* 9: trace */
       .long   _illinst        /* 10: line 1010 emulator */
       .long   _fpfline        /* 11: line 1111 emulator */
       .long   _badtrap        /* 12: unassigned, reserved */
       .long   _coperr         /* 13: coprocessor protocol violation */
       .long   _fmterr         /* 14: format error */
       .long   _badtrap        /* 15: uninitialized interrupt vector */
       .long   _badtrap        /* 16: unassigned, reserved */
       .long   _badtrap        /* 17: unassigned, reserved */
       .long   _badtrap        /* 18: unassigned, reserved */
       .long   _badtrap        /* 19: unassigned, reserved */
       .long   _badtrap        /* 20: unassigned, reserved */
       .long   _badtrap        /* 21: unassigned, reserved */
       .long   _badtrap        /* 22: unassigned, reserved */
       .long   _badtrap        /* 23: unassigned, reserved */
       .long   _spurintr       /* 24: spurious interrupt */
       .long   _lev1intr       /* 25: level 1 interrupt autovector */
       .long   _lev2intr       /* 26: level 2 interrupt autovector */
       .long   _lev3intr       /* 27: level 3 interrupt autovector */
       .long   _lev4intr       /* 28: level 4 interrupt autovector */
       .long   _lev5intr       /* 29: level 5 interrupt autovector */
       .long   _lev6intr       /* 30: level 6 interrupt autovector */
       .long   _lev7intr       /* 31: level 7 interrupt autovector */
       .long   _trap0          /* 32: syscalls */
       .long   _trap1          /* 33: sigreturn syscall or breakpoint */
       .long   _trap2          /* 34: breakpoint or sigreturn syscall */
       .long   _illinst        /* 35: TRAP instruction vector */
       .long   _illinst        /* 36: TRAP instruction vector */
       .long   _illinst        /* 37: TRAP instruction vector */
       .long   _illinst        /* 38: TRAP instruction vector */
       .long   _illinst        /* 39: TRAP instruction vector */
       .long   _illinst        /* 40: TRAP instruction vector */
       .long   _illinst        /* 41: TRAP instruction vector */
       .long   _illinst        /* 42: TRAP instruction vector */
       .long   _illinst        /* 43: TRAP instruction vector */
       .long   _trap12         /* 44: TRAP instruction vector */
       .long   _illinst        /* 45: TRAP instruction vector */
       .long   _illinst        /* 46: TRAP instruction vector */
       .long   _trap15         /* 47: TRAP instruction vector */
       .long   _fpbsun         /* 48: FPCP branch/set on unordered cond */
       .long   _fpinex         /* 49: FPCP inexact result */
       .long   _fpdz           /* 50: FPCP divide by zero */
       .long   _fpunfl         /* 51: FPCP underflow */
       .long   _fpoperr        /* 52: FPCP operand error */
       .long   _fpovfl         /* 53: FPCP overflow */
       .long   _fpsnan         /* 54: FPCP signalling NAN */

       .long   _fpunsupp       /* 55: FPCP unimplemented data type */
       .long   _badtrap        /* 56: unassigned, reserved */
       .long   _badtrap        /* 57: unassigned, reserved */
       .long   _badtrap        /* 58: unassigned, reserved */
       .long   _badtrap        /* 59: unassigned, reserved */
       .long   _badtrap        /* 60: unassigned, reserved */
       .long   _badtrap        /* 61: unassigned, reserved */
       .long   _badtrap        /* 62: unassigned, reserved */
       .long   _badtrap        /* 63: unassigned, reserved */
#define BADTRAP16       .long   _badtrap,_badtrap,_badtrap,_badtrap,\
                               _badtrap,_badtrap,_badtrap,_badtrap,\
                               _badtrap,_badtrap,_badtrap,_badtrap,\
                               _badtrap,_badtrap,_badtrap,_badtrap
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */
       BADTRAP16               /* 64-255: user interrupt vectors */