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  1. /*
  2. #
  3. # Copyright (C) 2005 Jakub Vana
  4. # All rights reserved.
  5. #
  6. # Redistribution and use in source and binary forms, with or without
  7. # modification, are permitted provided that the following conditions
  8. # are met:
  9. #
  10. # - Redistributions of source code must retain the above copyright
  11. #   notice, this list of conditions and the following disclaimer.
  12. # - Redistributions in binary form must reproduce the above copyright
  13. #   notice, this list of conditions and the following disclaimer in the
  14. #   documentation and/or other materials provided with the distribution.
  15. # - The name of the author may not be used to endorse or promote products
  16. #   derived from this software without specific prior written permission.
  17. #
  18. # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19. # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20. # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22. # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23. # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24. # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25. # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27. # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. #
  29. */
  30.  
  31. #include <fpu_context.h>
  32.  
  33. void fpu_context_save(fpu_context_t *fctx)
  34. {
  35. }
  36.  
  37.  
  38. void fpu_context_restore(fpu_context_t *fctx)
  39. {
  40. }
  41.  
  42.  
  43. void fpu_lazy_context_save(fpu_context_t *fctx)
  44. {
  45. /*
  46.     pushl %eax
  47.         mov 8(%esp),%eax
  48.         fxsave (%eax)
  49.         popl %eax
  50.         ret
  51. */ 
  52. }
  53.  
  54. void fpu_lazy_context_restore(fpu_context_t *fctx)
  55. {
  56. /*
  57.     pushl %eax
  58.         mov 8(%esp),%eax
  59.         fxrstor (%eax)
  60.         popl %eax
  61.         ret
  62. */ 
  63. }
  64.