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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 libcppc64 
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef __LIBC__ppc64__PSTHREAD_H__
  36. #define __LIBC__ppc64__PSTHREAD_H__
  37.  
  38. #include <types.h>
  39.  
  40. /* We define our own context_set, because we need to set
  41.  * the TLS pointer to the tcb+0x7000
  42.  *
  43.  * See tls_set in thread.h
  44.  */
  45. #define context_set(c, _pc, stack, size, ptls)          \
  46.     (c)->pc = (sysarg_t) (_pc);             \
  47.     (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA;     \
  48.     (c)->tls = ((sysarg_t) (ptls)) + 0x7000 + sizeof(tcb_t);
  49.  
  50. #define SP_DELTA    16
  51.  
  52. typedef struct {
  53.     uint64_t sp;
  54.     uint64_t pc;
  55.    
  56.     uint64_t tls;
  57.     uint64_t r13;
  58.     uint64_t r14;
  59.     uint64_t r15;
  60.     uint64_t r16;
  61.     uint64_t r17;
  62.     uint64_t r18;
  63.     uint64_t r19;
  64.     uint64_t r20;
  65.     uint64_t r21;
  66.     uint64_t r22;
  67.     uint64_t r23;
  68.     uint64_t r24;
  69.     uint64_t r25;
  70.     uint64_t r26;
  71.     uint64_t r27;
  72.     uint64_t r28;
  73.     uint64_t r29;
  74.     uint64_t r30;
  75.     uint64_t r31;
  76.    
  77.     uint64_t cr;
  78. } __attribute__ ((packed)) context_t;
  79.  
  80. #endif
  81.  
  82.  /** @}
  83.  */
  84.  
  85.