arch/m68knommu/include/asm/traps.h

   1 /*
   2  *  linux/include/asm/traps.h
   3  *
   4  *  Copyright (C) 1993        Hamish Macdonald
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file COPYING in the main directory of this archive
   8  * for more details.
   9  */
  10
  11 #ifndef _M68KNOMMU_TRAPS_H
  12 #define _M68KNOMMU_TRAPS_H
  13
  14 #ifndef __ASSEMBLY__
  15
  16 typedef void (*e_vector)(void);
  17
  18 extern e_vector vectors[];
  19 extern void init_vectors(void);
  20 extern void enable_vector(unsigned int irq);
  21 extern void disable_vector(unsigned int irq);
  22 extern void ack_vector(unsigned int irq);
  23
  24 #endif
  25
  26 #define VEC_BUSERR  (2)
  27 #define VEC_ADDRERR (3)
  28 #define VEC_ILLEGAL (4)
  29 #define VEC_ZERODIV (5)
  30 #define VEC_CHK     (6)
  31 #define VEC_TRAP    (7)
  32 #define VEC_PRIV    (8)
  33 #define VEC_TRACE   (9)
  34 #define VEC_LINE10  (10)
  35 #define VEC_LINE11  (11)
  36 #define VEC_RESV1   (12)
  37 #define VEC_COPROC  (13)
  38 #define VEC_FORMAT  (14)
  39 #define VEC_UNINT   (15)
  40 #define VEC_SPUR    (24)
  41 #define VEC_INT1    (25)
  42 #define VEC_INT2    (26)
  43 #define VEC_INT3    (27)
  44 #define VEC_INT4    (28)
  45 #define VEC_INT5    (29)
  46 #define VEC_INT6    (30)
  47 #define VEC_INT7    (31)
  48 #define VEC_SYS     (32)
  49 #define VEC_TRAP1   (33)
  50 #define VEC_TRAP2   (34)
  51 #define VEC_TRAP3   (35)
  52 #define VEC_TRAP4   (36)
  53 #define VEC_TRAP5   (37)
  54 #define VEC_TRAP6   (38)
  55 #define VEC_TRAP7   (39)
  56 #define VEC_TRAP8   (40)
  57 #define VEC_TRAP9   (41)
  58 #define VEC_TRAP10  (42)
  59 #define VEC_TRAP11  (43)
  60 #define VEC_TRAP12  (44)
  61 #define VEC_TRAP13  (45)
  62 #define VEC_TRAP14  (46)
  63 #define VEC_TRAP15  (47)
  64 #define VEC_FPBRUC  (48)
  65 #define VEC_FPIR    (49)
  66 #define VEC_FPDIVZ  (50)
  67 #define VEC_FPUNDER (51)
  68 #define VEC_FPOE    (52)
  69 #define VEC_FPOVER  (53)
  70 #define VEC_FPNAN   (54)
  71 #define VEC_FPUNSUP (55)
  72 #define VEC_UNIMPEA (60)
  73 #define VEC_UNIMPII (61)
  74 #define VEC_USER    (64)
  75
  76 #define VECOFF(vec) ((vec)<<2)
  77
  78 #ifndef __ASSEMBLY__
  79
  80 /* Status register bits */
  81 #define PS_T  (0x8000)
  82 #define PS_S  (0x2000)
  83 #define PS_M  (0x1000)
  84 #define PS_C  (0x0001)
  85
  86 /* structure for stack frames */
  87
  88 struct frame {
  89     struct pt_regs ptregs;
  90     union {
  91             struct {
  92                     unsigned long  iaddr;    /* instruction address */
  93             } fmt2;
  94             struct {
  95                     unsigned long  effaddr;  /* effective address */
  96             } fmt3;
  97             struct {
  98                     unsigned long  effaddr;  /* effective address */
  99                     unsigned long  pc;       /* pc of faulted instr */
 100             } fmt4;
 101             struct {
 102                     unsigned long  effaddr;  /* effective address */
 103                     unsigned short ssw;      /* special status word */
 104                     unsigned short wb3s;     /* write back 3 status */
 105                     unsigned short wb2s;     /* write back 2 status */
 106                     unsigned short wb1s;     /* write back 1 status */
 107                     unsigned long  faddr;    /* fault address */
 108                     unsigned long  wb3a;     /* write back 3 address */
 109                     unsigned long  wb3d;     /* write back 3 data */
 110                     unsigned long  wb2a;     /* write back 2 address */
 111                     unsigned long  wb2d;     /* write back 2 data */
 112                     unsigned long  wb1a;     /* write back 1 address */
 113                     unsigned long  wb1dpd0;  /* write back 1 data/push data 0*/
 114                     unsigned long  pd1;      /* push data 1*/
 115                     unsigned long  pd2;      /* push data 2*/
 116                     unsigned long  pd3;      /* push data 3*/
 117             } fmt7;
 118             struct {
 119                     unsigned long  iaddr;    /* instruction address */
 120                     unsigned short int1[4];  /* internal registers */
 121             } fmt9;
 122             struct {
 123                     unsigned short int1;
 124                     unsigned short ssw;      /* special status word */
 125                     unsigned short isc;      /* instruction stage c */
 126                     unsigned short isb;      /* instruction stage b */
 127                     unsigned long  daddr;    /* data cycle fault address */
 128                     unsigned short int2[2];
 129                     unsigned long  dobuf;    /* data cycle output buffer */
 130                     unsigned short int3[2];
 131             } fmta;
 132             struct {
 133                     unsigned short int1;
 134                     unsigned short ssw;     /* special status word */
 135                     unsigned short isc;     /* instruction stage c */
 136                     unsigned short isb;     /* instruction stage b */
 137                     unsigned long  daddr;   /* data cycle fault address */
 138                     unsigned short int2[2];
 139                     unsigned long  dobuf;   /* data cycle output buffer */
 140                     unsigned short int3[4];
 141                     unsigned long  baddr;   /* stage B address */
 142                     unsigned short int4[2];
 143                     unsigned long  dibuf;   /* data cycle input buffer */
 144                     unsigned short int5[3];
 145                     unsigned       ver : 4; /* stack frame version # */
 146                     unsigned       int6:12;
 147                     unsigned short int7[18];
 148             } fmtb;
 149     } un;
 150 };
 151
 152 #endif /* __ASSEMBLY__ */
 153
 154 #endif /* _M68KNOMMU_TRAPS_H */