se_page_attr.h 2.4 KB

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  1. /*
  2. * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef _SE_PAGE_ATTR_H_
  32. #define _SE_PAGE_ATTR_H_
  33. // layout.entry.attribute is 16-bit length
  34. typedef enum
  35. {
  36. DoEADD = 0,
  37. DoEEXTEND,
  38. DoEREMOVE,
  39. DoPostADD,
  40. DoPostREMOVE,
  41. DynTHREAD,
  42. GrowDOWN,
  43. } ATTRIBUTE_BITS_t;
  44. #define PAGE_ATTR_EADD (1<<DoEADD)
  45. #define PAGE_ATTR_EEXTEND (1<<DoEEXTEND)
  46. #define PAGE_ATTR_EREMOVE (1<<DoEREMOVE)
  47. #define PAGE_ATTR_POST_ADD (1<<DoPostADD)
  48. #define PAGE_ATTR_POST_REMOVE (1<<DoPostREMOVE)
  49. #define PAGE_ATTR_DYN_THREAD (1<<DynTHREAD)
  50. #define PAGE_DIR_GROW_DOWN (1<<GrowDOWN)
  51. #define ADD_PAGE_ONLY PAGE_ATTR_EADD
  52. #define ADD_EXTEND_PAGE (PAGE_ATTR_EADD | PAGE_ATTR_EEXTEND)
  53. #define PAGE_ATTR_MASK ~(PAGE_ATTR_EADD | PAGE_ATTR_EEXTEND | PAGE_ATTR_EREMOVE | PAGE_ATTR_POST_ADD | PAGE_ATTR_POST_REMOVE | PAGE_ATTR_DYN_THREAD | PAGE_DIR_GROW_DOWN)
  54. #endif