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  1. /*
  2.  * Copyright (C) 2005 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.  /** @addtogroup sparc64   
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. /**
  36.  * This file contains interrupt vector trap handler.
  37.  */
  38.  
  39. #ifndef __sparc64_TRAP_INTERRUPT_H__
  40. #define __sparc64_TRAP_INTERRUPT_H__
  41.  
  42. #include <arch/trap/trap_table.h>
  43. #include <arch/stack.h>
  44.  
  45. #define TT_INTERRUPT_LEVEL_1            0x41
  46. #define TT_INTERRUPT_LEVEL_2            0x42
  47. #define TT_INTERRUPT_LEVEL_3            0x43
  48. #define TT_INTERRUPT_LEVEL_4            0x44
  49. #define TT_INTERRUPT_LEVEL_5            0x45
  50. #define TT_INTERRUPT_LEVEL_6            0x46
  51. #define TT_INTERRUPT_LEVEL_7            0x47
  52. #define TT_INTERRUPT_LEVEL_8            0x48
  53. #define TT_INTERRUPT_LEVEL_9            0x49
  54. #define TT_INTERRUPT_LEVEL_10           0x4a
  55. #define TT_INTERRUPT_LEVEL_11           0x4b
  56. #define TT_INTERRUPT_LEVEL_12           0x4c
  57. #define TT_INTERRUPT_LEVEL_13           0x4d
  58. #define TT_INTERRUPT_LEVEL_14           0x4e
  59. #define TT_INTERRUPT_LEVEL_15           0x4f
  60.  
  61. #define TT_INTERRUPT_VECTOR_TRAP        0x60
  62.  
  63. #define INTERRUPT_LEVEL_N_HANDLER_SIZE      TRAP_TABLE_ENTRY_SIZE
  64. #define INTERRUPT_VECTOR_TRAP_HANDLER_SIZE  TRAP_TABLE_ENTRY_SIZE
  65.  
  66. #ifdef __ASM__
  67. .macro INTERRUPT_LEVEL_N_HANDLER n
  68.     save %sp, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp
  69.     mov \n - 1, %o0
  70.     mov %fp, %o1
  71.     PREEMPTIBLE_HANDLER exc_dispatch
  72. .endm
  73.  
  74. .macro INTERRUPT_VECTOR_TRAP_HANDLER
  75.     retry
  76. .endm
  77. #endif /* __ASM__ */
  78.  
  79. #endif
  80.  
  81.  /** @}
  82.  */
  83.  
  84.