vm.h 1.7 KB

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  1. /*-
  2. * Copyright (c) 2009 Alan L. Cox <alc@cs.rice.edu>
  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. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. *
  14. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24. * SUCH DAMAGE.
  25. */
  26. #ifndef _MACHINE_VM_H_
  27. #define _MACHINE_VM_H_
  28. /* Memory attribute configuration. */
  29. #define VM_MEMATTR_PMA 0
  30. #define VM_MEMATTR_UNCACHEABLE 1
  31. #define VM_MEMATTR_DEVICE 2
  32. #define VM_MEMATTR_WRITE_BACK VM_MEMATTR_PMA
  33. #define VM_MEMATTR_DEFAULT VM_MEMATTR_PMA
  34. #define VM_MEMATTR_LAST VM_MEMATTR_DEVICE
  35. #define VM_MEMATTR_TOTAL (VM_MEMATTR_LAST + 1)
  36. #endif /* !_MACHINE_VM_H_ */