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atom_mcf5.h

atom_mcf5.h 2.2 KB
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  1. /*
    2. 

  2.  * Copyright 2012 by Embedded Technologies s.r.o
    3. 

  3.  *
    4. 

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

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

  6.  * are met:
    7. 

  7.  *
    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 copyright holders nor the names of
    14. 

  14.  *    contributors may be used to endorse or promote products derived
    15. 

  15.  *    from this software without specific prior written permission.
    16. 

  16.  *
    17. 

  17.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    18. 

  18.  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    19. 

  19.  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    20. 

  20.  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    21. 

  21.  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    22. 

  22.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
    23. 

  23.  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
    24. 

  24.  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
    25. 

  25.  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    26. 

  26.  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
    27. 

  27.  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    28. 

  28.  * SUCH DAMAGE.
    29. 

  29.  *
    30. 

  30.  * For additional information see http://www.ethernut.de/
    31. 

  31.  */
    32. 

  32. 

  33. #ifndef _SYS_ATOM_H_
    34. 

  34. #error "Do not include this file directly. Use sys/atom.h instead!"
    35. 

  35. #endif
    36. 

  36. 

  37. #define NutEnterCritical() \
    38. 

  38.     asm("move.l %d0, -8(%sp)\n" \
    39. 

  39.         "move.w  %sr, %d0\n" \
    40. 

  40.         "sub.l #4, %sp\n"\
    41. 

  41.         "move.l %d0,(%sp)\n" \
    42. 

  42.         "ori.l #0x700, %d0\n"\
    43. 

  43.         "move.w %d0, %sr\n" \
    44. 

  44.         "move.l -4(%sp), %d0");
    45. 

  45. 

  46. #define NutExitCritical() \
    47. 

  47.    asm("move.l %d0, -4(%sp)\n" \
    48. 

  48.        "move.l (%sp), %d0\n" \
    49. 

  49.        "move.w  %d0,%sr\n" \
    50. 

  50.        "move.l -4(%sp), %d0\n" \
    51. 

  51.        "adda.l #4, %sp");
    52. 

  52. 

  53. #define NutJumpOutCritical NutExitCritical 
    54. 

  54.