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  1. /*
  2.  * Copyright (C) 2006 Martin Decky
  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 __ppc64_EXCEPTION_H__
  30. #define __ppc64_EXCEPTION_H__
  31.  
  32. #ifndef __ppc64_TYPES_H__
  33. #  include <arch/types.h>
  34. #endif
  35.  
  36. #include <typedefs.h>
  37.  
  38. struct istate {
  39.     __u64 r0;
  40.     __u64 r2;
  41.     __u64 r3;
  42.     __u64 r4;
  43.     __u64 r5;
  44.     __u64 r6;
  45.     __u64 r7;
  46.     __u64 r8;
  47.     __u64 r9;
  48.     __u64 r10;
  49.     __u64 r11;
  50.     __u64 r13;
  51.     __u64 r14;
  52.     __u64 r15;
  53.     __u64 r16;
  54.     __u64 r17;
  55.     __u64 r18;
  56.     __u64 r19;
  57.     __u64 r20;
  58.     __u64 r21;
  59.     __u64 r22;
  60.     __u64 r23;
  61.     __u64 r24;
  62.     __u64 r25;
  63.     __u64 r26;
  64.     __u64 r27;
  65.     __u64 r28;
  66.     __u64 r29;
  67.     __u64 r30;
  68.     __u64 r31;
  69.     __u64 cr;
  70.     __u64 pc;
  71.     __u64 srr1;
  72.     __u64 lr;
  73.     __u64 ctr;
  74.     __u64 xer;
  75.     __u64 r12;
  76.     __u64 sp;
  77. };
  78.  
  79. static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
  80. {
  81.     istate->pc = retaddr;
  82. }
  83. /** Return true if exception happened while in userspace */
  84. #include <panic.h>
  85. static inline int istate_from_uspace(istate_t *istate)
  86. {
  87.     panic("istate_from_uspace not yet implemented");
  88.     return 0;
  89. }
  90. static inline __native istate_get_pc(istate_t *istate)
  91. {
  92.     return istate->pc;
  93. }
  94.  
  95. #endif
  96.