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xtensa-config.h

xtensa-config.h 2.3 KB
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  1. /* Xtensa configuration settings.
    2. 

  2.    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
    3. 

  3.    Free Software Foundation, Inc.
    4. 

  4.    Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
    5. 

  5. 

  6.    The GNU C Library is free software; you can redistribute it and/or
    7. 

  7.    modify it under the terms of the GNU Lesser General Public
    8. 

  8.    License as published by the Free Software Foundation; either
    9. 

  9.    version 2.1 of the License, or (at your option) any later version.
    10. 

  10. 

  11.    The GNU C Library is distributed in the hope that it will be useful,
    12. 

  12.    but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    14. 

  14.    Lesser General Public License for more details.
    15. 

  15. 

  16.    You should have received a copy of the GNU Lesser General Public
    17. 

  17.    License along with the GNU C Library; if not, see
    18. 

  18.    <http://www.gnu.org/licenses/>.  */
    19. 

  19. 

  20. #ifndef XTENSA_CONFIG_H
    21. 

  21. #define XTENSA_CONFIG_H
    22. 

  22. 

  23. /* The macros defined here match those with the same names in the Xtensa
    24. 

  24.    compile-time HAL (Hardware Abstraction Layer).  Please refer to the
    25. 

  25.    Xtensa System Software Reference Manual for documentation of these
    26. 

  26.    macros.  */
    27. 

  27. 

  28. /* The following macros reflect the default expectations for Xtensa
    29. 

  29.    processor configurations that can run glibc.  If you want to try
    30. 

  30.    building glibc for an Xtensa configuration that is missing these
    31. 

  31.    options, you will at least need to change the values of these
    32. 

  32.    macros.  */
    33. 

  33. 

  34. #undef XCHAL_HAVE_NSA
    35. 

  35. #ifdef __XCHAL_HAVE_NSA
    36. 

  36. #define XCHAL_HAVE_NSA			__XCHAL_HAVE_NSA
    37. 

  37. #else
    38. 

  38. #define XCHAL_HAVE_NSA			1
    39. 

  39. #endif
    40. 

  40. 

  41. #undef XCHAL_HAVE_LOOPS
    42. 

  42. #ifdef __XCHAL_HAVE_LOOPS
    43. 

  43. #define XCHAL_HAVE_LOOPS		__XCHAL_HAVE_LOOPS
    44. 

  44. #else
    45. 

  45. #define XCHAL_HAVE_LOOPS		1
    46. 

  46. #endif
    47. 

  47. 

  48. /* Assume the maximum number of AR registers.  This currently only affects
    49. 

  49.    the __window_spill function, and it is always safe to flush extra.  */
    50. 

  50. 

  51. #undef XCHAL_NUM_AREGS
    52. 

  52. #ifdef __XCHAL_NUM_AREGS
    53. 

  53. #define XCHAL_NUM_AREGS			__XCHAL_NUM_AREGS
    54. 

  54. #else
    55. 

  55. #define XCHAL_NUM_AREGS			64
    56. 

  56. #endif
    57. 

  57. 

  58. #undef XCHAL_HAVE_S32C1I
    59. 

  59. #ifdef __XCHAL_HAVE_S32C1I
    60. 

  60. #define XCHAL_HAVE_S32C1I		__XCHAL_HAVE_S32C1I
    61. 

  61. #else
    62. 

  62. #define XCHAL_HAVE_S32C1I		1
    63. 

  63. #endif
    64. 

  64. 

  65. #undef XCHAL_HAVE_EXCLUSIVE
    66. 

  66. #ifdef __XCHAL_HAVE_EXCLUSIVE
    67. 

  67. #define XCHAL_HAVE_EXCLUSIVE		__XCHAL_HAVE_EXCLUSIVE
    68. 

  68. #else
    69. 

  69. #define XCHAL_HAVE_EXCLUSIVE		0
    70. 

  70. #endif
    71. 

  71. 

  72. #endif /* !XTENSA_CONFIG_H */
    73.