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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. /** @addtogroup ppc64  
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_ppc64_EXCEPTION_H_
  36. #define KERN_ppc64_EXCEPTION_H_
  37.  
  38. #include <arch/types.h>
  39.  
  40. typedef struct {
  41.     uint64_t r0;
  42.     uint64_t r2;
  43.     uint64_t r3;
  44.     uint64_t r4;
  45.     uint64_t r5;
  46.     uint64_t r6;
  47.     uint64_t r7;
  48.     uint64_t r8;
  49.     uint64_t r9;
  50.     uint64_t r10;
  51.     uint64_t r11;
  52.     uint64_t r13;
  53.     uint64_t r14;
  54.     uint64_t r15;
  55.     uint64_t r16;
  56.     uint64_t r17;
  57.     uint64_t r18;
  58.     uint64_t r19;
  59.     uint64_t r20;
  60.     uint64_t r21;
  61.     uint64_t r22;
  62.     uint64_t r23;
  63.     uint64_t r24;
  64.     uint64_t r25;
  65.     uint64_t r26;
  66.     uint64_t r27;
  67.     uint64_t r28;
  68.     uint64_t r29;
  69.     uint64_t r30;
  70.     uint64_t r31;
  71.     uint64_t cr;
  72.     uint64_t pc;
  73.     uint64_t srr1;
  74.     uint64_t lr;
  75.     uint64_t ctr;
  76.     uint64_t xer;
  77.     uint64_t r12;
  78.     uint64_t sp;
  79. } istate_t;
  80.  
  81. static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
  82. {
  83.     istate->pc = retaddr;
  84. }
  85. /** Return true if exception happened while in userspace */
  86. #include <panic.h>
  87. static inline int istate_from_uspace(istate_t *istate)
  88. {
  89.     panic("istate_from_uspace not yet implemented");
  90.     return 0;
  91. }
  92. static inline unative_t istate_get_pc(istate_t *istate)
  93. {
  94.     return istate->pc;
  95. }
  96.  
  97. #endif
  98.  
  99. /** @}
  100.  */
  101.