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  1. /*
  2.  * Copyright (C) 2003-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef __mips32_EXCEPTION_H__
  30. #define __mips32_EXCEPTION_H__
  31.  
  32. #ifndef __mips32_TYPES_H__
  33. #  include <arch/types.h>
  34. #endif
  35.  
  36. #define EXC_Int     0
  37. #define EXC_Mod     1
  38. #define EXC_TLBL    2
  39. #define EXC_TLBS    3
  40. #define EXC_AdEL    4
  41. #define EXC_AdES    5
  42. #define EXC_IBE     6
  43. #define EXC_DBE     7
  44. #define EXC_Sys     8
  45. #define EXC_Bp      9
  46. #define EXC_RI      10
  47. #define EXC_CpU     11
  48. #define EXC_Ov      12
  49. #define EXC_Tr      13
  50. #define EXC_VCEI    14
  51. #define EXC_FPE     15
  52. #define EXC_WATCH   23
  53. #define EXC_VCED    31
  54.  
  55. struct exception_regdump {
  56.     __u32 at;
  57.     __u32 v0;
  58.     __u32 v1;
  59.     __u32 a0;
  60.     __u32 a1;
  61.     __u32 a2;
  62.     __u32 a3;
  63.     __u32 t0;
  64.     __u32 t1;
  65.     __u32 t2;
  66.     __u32 t3;
  67.     __u32 t4;
  68.     __u32 t5;
  69.     __u32 t6;
  70.     __u32 t7;
  71.     __u32 s0;
  72.     __u32 s1;
  73.     __u32 s2;
  74.     __u32 s3;
  75.     __u32 s4;
  76.     __u32 s5;
  77.     __u32 s6;
  78.     __u32 s7;
  79.     __u32 t8;
  80.     __u32 t9;
  81.     __u32 gp;
  82.     __u32 sp;
  83.     __u32 s8;
  84.     __u32 ra;
  85.    
  86.     __u32 lo;
  87.     __u32 hi;
  88.  
  89.     __u32 status; /* cp0_status */
  90.     __u32 epc; /* cp0_epc */
  91. };
  92.  
  93. extern void exception(struct exception_regdump *pstate);
  94. extern void tlb_refill_entry(void);
  95. extern void exception_entry(void);
  96. extern void cache_error_entry(void);
  97. #endif
  98.