sys/arch/sparc64/include/trap.h

   1 /*      $NetBSD: trap.h,v 1.5 2003/01/21 19:46:49 martin Exp $ */
   2
   3 /*
   4  * Copyright (c) 1996-1999 Eduardo Horvath
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR  ``AS IS'' AND
  13  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  14  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  15  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR  BE LIABLE
  16  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  17  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  18  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  19  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  20  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  21  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  22  * SUCH DAMAGE.
  23  *
  24  */
  25
  26
  27 #ifndef _MACHINE_TRAP_H
  28 #define _MACHINE_TRAP_H
  29
  30 /*      trap            vec       (pri) description     */
  31 /*                      0x000      unused */
  32 #define T_POR           0x001   /* (0) power on reset */
  33 #define T_WDR           0x002   /* (1) watchdog reset */
  34 #define T_XIR           0x003   /* (1) externally initiated reset */
  35 #define T_SIR           0x004   /* (1) software initiated reset */
  36 #define T_RED_EXCEPTION 0x005   /* (1) RED state exception */
  37 /*                      0x006      unused */
  38 /*                      0x007      unused */
  39 #define T_INST_EXCEPT   0x008   /* (5) instruction access exception */
  40 #define T_TEXTFAULT     0x009   /* (2) ? Text fault */
  41 #define T_INST_ERROR    0x00a   /* (3) instruction access error */
  42 /*                      0x00b      unused */
  43 /*      through         0x00f      unused */
  44 #define T_ILLINST       0x010   /* (7) illegal instruction */
  45 #define T_PRIVINST      0x011   /* (6) privileged opcode */
  46 /*                      0x012      unused */
  47 /*      through         0x01f      unused */
  48 #define T_FPDISABLED    0x020   /* (8) fpu disabled */
  49 #define T_FP_IEEE_754   0x021   /* (11) ieee 754 exception */
  50 #define T_FP_OTHER      0x022   /* (11) other fp exception */
  51 #define T_TAGOF         0x023   /* (14) tag overflow */
  52 #define T_CLEAN_WINDOW  0x024   /* (10) clean window exception */
  53 /*      through         0x027      unused */
  54 #define T_IDIV0         0x028   /* (15) division by 0 */
  55 /*                      0x02a      unused */
  56 /*      through         0x02f      unused */
  57 #define T_DATAFAULT     0x030   /* (12) address fault during data fetch */
  58 /*                      0x031      unused */
  59 #define T_DATA_ERROR    0x032
  60 #define T_DATA_PROT     0x033   /* Data protection ??? */
  61 #define T_ALIGN         0x034   /* (10) address not properly aligned */
  62 #define T_LDDF_ALIGN    0x035   /* (10) LDDF address not properly aligned */
  63 #define T_STDF_ALIGN    0x036   /* (10) STDF address not properly aligned */
  64 #define T_PRIVACT       0x037   /* (11) privileged action */
  65 /*                      0x038      unused */
  66 /*      through         0x03f      unused */
  67 #define T_ASYNC_ERROR   0x040   /* ???? */
  68 #define T_L1INT         0x041   /* (31) level 1 interrupt */
  69 #define T_L2INT         0x042   /* (30) level 2 interrupt */
  70 #define T_L3INT         0x043   /* (29) level 3 interrupt */
  71 #define T_L4INT         0x044   /* (28) level 4 interrupt */
  72 #define T_L5INT         0x045   /* (27) level 5 interrupt */
  73 #define T_L6INT         0x046   /* (26) level 6 interrupt */
  74 #define T_L7INT         0x047   /* (25) level 7 interrupt */
  75 #define T_L8INT         0x048   /* (24) level 8 interrupt */
  76 #define T_L9INT         0x049   /* (23) level 9 interrupt */
  77 #define T_L10INT        0x04a   /* (22) level 10 interrupt */
  78 #define T_L11INT        0x04b   /* (21) level 11 interrupt */
  79 #define T_L12INT        0x04c   /* (20) level 12 interrupt */
  80 #define T_L13INT        0x04d   /* (19) level 13 interrupt */
  81 #define T_L14INT        0x04e   /* (18) level 14 interrupt */
  82 #define T_L15INT        0x04f   /* (17) level 15 interrupt */
  83 /*                      0x050      unused */
  84 /*      through         0x05f      unused */
  85 #define T_INTVEC        0x060   /* (16) interrupt vector [Interrupt Global Regs]*/
  86 #define T_PA_WATCHPT    0x061   /* (12) Physical addr data watchpoint */
  87 #define T_VA_WATCHPT    0x062   /* (11) Virtual addr data watchpoint */
  88 #define T_ECCERR        0x063   /* (33) ECC correction error */
  89 #define T_FIMMU_MISS    0x064   /* (2) fast instruction access MMU miss */
  90 /*      through         0x067      unused */
  91 #define T_FDMMU_MISS    0x068   /* (2) fast data access MMU miss */
  92 /*      through         0x06b      unused */
  93 #define T_FDMMU_PROT    0x06c   /* (2) fast data access protection */
  94 /*      through         0x06f      unused */
  95 /*  0x070...0x07f implementation dependent exceptions */
  96 #define T_SPILL_N_NORM  0x080   /* (9) spill (n=0..7) normal */
  97 /*      through         0x09f      unused */
  98 #define T_SPILL_N_OTHER 0x0a0   /* (9) spill (n=0..7) other */
  99 /*      through         0x0bF      unused */
 100 #define T_FILL_N_NORM   0x0c0   /* (9) fill (n=0..7) normal */
 101 /*      through         0x0dF      unused */
 102 #define T_FILL_N_OTHER  0x0e0   /* (9) fill (n=0..7) other */
 103 /*      through         0x0fF      unused */
 104
 105 /* beginning of `user' vectors (from trap instructions) - all priority 16 */
 106 #define T_SUN_SYSCALL   0x100   /* system call */
 107 #define T_BREAKPOINT    0x101   /* breakpoint `instruction' */
 108 #define T_DIV0          0x102   /* division routine was handed 0 */
 109 #define T_FLUSHWIN      0x103   /* flush windows */
 110 #define T_CLEANWIN      0x104   /* provide clean windows */
 111 #define T_RANGECHECK    0x105   /* ? */
 112 #define T_FIXALIGN      0x106   /* fix up unaligned accesses */
 113 #define T_INTOF         0x107   /* integer overflow ? */
 114 #define T_SVR4_SYSCALL  0x108   /* SVR4 system call */
 115 #define T_BSD_SYSCALL   0x109   /* BSD system call */
 116 #define T_KGDB_EXEC     0x10a   /* for kernel gdb */
 117
 118 /* 0x10c..0x1ff are currently unallocated, except the following */
 119 #define T_SVR4_GETCC            0x120
 120 #define T_SVR4_SETCC            0x121
 121 #define T_SVR4_GETPSR           0x122
 122 #define T_SVR4_SETPSR           0x123
 123 #define T_SVR4_GETHRTIME        0x124
 124 #define T_SVR4_GETHRVTIME       0x125
 125 #define T_SVR4_GETHRESTIME      0x127
 126 #define T_GETCC                 0x132
 127 #define T_SETCC                 0x133
 128 #define T_SVID_SYSCALL          0x164
 129 #define T_SPARC_INTL_SYSCALL    0x165
 130 #define T_OS_VENDOR_SYSCALL     0x166
 131 #define T_HW_OEM_SYSCALL        0x167
 132 #define T_RTF_DEF_TRAP          0x168
 133
 134 #ifdef _KERNEL                  /* pseudo traps for locore.s */
 135 #define T_RWRET         -1      /* need first user window for trap return */
 136 #define T_AST           -2      /* no-op, just needed reschedule or profile */
 137 #endif
 138
 139 /* flags to system call (flags in %g1 along with syscall number) */
 140 #define SYSCALL_G2RFLAG 0x400   /* on success, return to %g2 rather than npc */
 141 #define SYSCALL_G7RFLAG 0x800   /* use %g7 as above (deprecated) */
 142
 143 /*
 144  * `software trap' macros to keep people happy (sparc v8 manual says not
 145  * to set the upper bits). Correct mask is 0xff for v9, but all values
 146  * here are small enough - so keep it the same as the sparc port.
 147  */
 148 #define ST_BREAKPOINT   (T_BREAKPOINT & 0x7f)
 149 #define ST_DIV0         (T_DIV0 & 0x7f)
 150 #define ST_FLUSHWIN     (T_FLUSHWIN & 0x7f)
 151 #define ST_SYSCALL      (T_SUN_SYSCALL & 0x7f)
 152
 153 #endif /* _MACHINE_TRAP_H_ */