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cs350
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kern
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arch
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mips
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thread
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switchframe.h

switchframe.h 2.1 KB
Cronologia Originale

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  1. /*
    2. 

  2.  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
    3. 

  3.  *	The President and Fellows of Harvard College.
    4. 

  4.  *
    5. 

  5.  * Redistribution and use in source and binary forms, with or without
    6. 

  6.  * modification, are permitted provided that the following conditions
    7. 

  7.  * are met:
    8. 

  8.  * 1. Redistributions of source code must retain the above copyright
    9. 

  9.  *    notice, this list of conditions and the following disclaimer.
    10. 

  10.  * 2. Redistributions in binary form must reproduce the above copyright
    11. 

  11.  *    notice, this list of conditions and the following disclaimer in the
    12. 

  12.  *    documentation and/or other materials provided with the distribution.
    13. 

  13.  * 3. Neither the name of the University nor the names of its contributors
    14. 

  14.  *    may be used to endorse or promote products derived from this software
    15. 

  15.  *    without specific prior written permission.
    16. 

  16.  *
    17. 

  17.  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
    18. 

  18.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    19. 

  19.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    20. 

  20.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
    21. 

  21.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    22. 

  22.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    23. 

  23.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    24. 

  24.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    25. 

  25.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    26. 

  26.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    27. 

  27.  * SUCH DAMAGE.
    28. 

  28.  */
    29. 

  29. 

  30. #ifndef _MIPS_SWITCHFRAME_H_
    31. 

  31. #define _MIPS_SWITCHFRAME_H_
    32. 

  32. 

  33. /*
    34. 

  34.  * Structure describing what is saved on the stack during a context switch.
    35. 

  35.  *
    36. 

  36.  * This must agree with the code in switch.S.
    37. 

  37.  */
    38. 

  38. 

  39. struct switchframe {
    40. 

  40.         uint32_t sf_s0;
    41. 

  41.         uint32_t sf_s1;
    42. 

  42.         uint32_t sf_s2;
    43. 

  43.         uint32_t sf_s3;
    44. 

  44.         uint32_t sf_s4;
    45. 

  45.         uint32_t sf_s5;
    46. 

  46.         uint32_t sf_s6;
    47. 

  47.         uint32_t sf_s8;
    48. 

  48.         uint32_t sf_gp;
    49. 

  49.         uint32_t sf_ra;
    50. 

  50. };
    51. 

  51. 

  52. #endif /* _MIPS_SWITCHFRAME_H_ */
    53.