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Branch: 12.1-newold
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arch
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powerpc
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include
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asm
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asm-compat.h

asm-compat.h 2.1 KB
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  1. #ifndef _ASM_POWERPC_ASM_COMPAT_H
    2. 

  2. #define _ASM_POWERPC_ASM_COMPAT_H
    3. 

  3. 

  4. #include <asm/types.h>
    5. 

  5. #include <asm/ppc-opcode.h>
    6. 

  6. 

  7. #ifdef __ASSEMBLY__
    8. 

  8. #  define stringify_in_c(...)	__VA_ARGS__
    9. 

  9. #  define ASM_CONST(x)		x
    10. 

  10. #else
    11. 

  11. /* This version of stringify will deal with commas... */
    12. 

  12. #  define __stringify_in_c(...)	#__VA_ARGS__
    13. 

  13. #  define stringify_in_c(...)	__stringify_in_c(__VA_ARGS__) " "
    14. 

  14. #  define __ASM_CONST(x)	x##UL
    15. 

  15. #  define ASM_CONST(x)		__ASM_CONST(x)
    16. 

  16. #endif
    17. 

  17. 

  18. 

  19. #ifdef __powerpc64__
    20. 

  20. 

  21. /* operations for longs and pointers */
    22. 

  22. #define PPC_LL		stringify_in_c(ld)
    23. 

  23. #define PPC_STL		stringify_in_c(std)
    24. 

  24. #define PPC_STLU	stringify_in_c(stdu)
    25. 

  25. #define PPC_LCMPI	stringify_in_c(cmpdi)
    26. 

  26. #define PPC_LONG	stringify_in_c(.llong)
    27. 

  27. #define PPC_LONG_ALIGN	stringify_in_c(.balign 8)
    28. 

  28. #define PPC_TLNEI	stringify_in_c(tdnei)
    29. 

  29. #define PPC_LLARX(t, a, b, eh)	PPC_LDARX(t, a, b, eh)
    30. 

  30. #define PPC_STLCX	stringify_in_c(stdcx.)
    31. 

  31. #define PPC_CNTLZL	stringify_in_c(cntlzd)
    32. 

  32. #define PPC_LR_STKOFF	16
    33. 

  33. #define PPC_MIN_STKFRM	112
    34. 

  34. 

  35. /* Move to CR, single-entry optimized version. Only available
    36. 

  36.  * on POWER4 and later.
    37. 

  37.  */
    38. 

  38. #ifdef CONFIG_POWER4_ONLY
    39. 

  39. #define PPC_MTOCRF	stringify_in_c(mtocrf)
    40. 

  40. #else
    41. 

  41. #define PPC_MTOCRF	stringify_in_c(mtcrf)
    42. 

  42. #endif
    43. 

  43. 

  44. #else /* 32-bit */
    45. 

  45. 

  46. /* operations for longs and pointers */
    47. 

  47. #define PPC_LL		stringify_in_c(lwz)
    48. 

  48. #define PPC_STL		stringify_in_c(stw)
    49. 

  49. #define PPC_STLU	stringify_in_c(stwu)
    50. 

  50. #define PPC_LCMPI	stringify_in_c(cmpwi)
    51. 

  51. #define PPC_LONG	stringify_in_c(.long)
    52. 

  52. #define PPC_LONG_ALIGN	stringify_in_c(.balign 4)
    53. 

  53. #define PPC_TLNEI	stringify_in_c(twnei)
    54. 

  54. #define PPC_LLARX(t, a, b, eh)	PPC_LWARX(t, a, b, eh)
    55. 

  55. #define PPC_STLCX	stringify_in_c(stwcx.)
    56. 

  56. #define PPC_CNTLZL	stringify_in_c(cntlzw)
    57. 

  57. #define PPC_MTOCRF	stringify_in_c(mtcrf)
    58. 

  58. #define PPC_LR_STKOFF	4
    59. 

  59. #define PPC_MIN_STKFRM	16
    60. 

  60. 

  61. #endif
    62. 

  62. 

  63. #ifdef __KERNEL__
    64. 

  64. #ifdef CONFIG_IBM405_ERR77
    65. 

  65. /* Erratum #77 on the 405 means we need a sync or dcbt before every
    66. 

  66.  * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
    67. 

  67.  */
    68. 

  68. #define PPC405_ERR77(ra,rb)	stringify_in_c(dcbt	ra, rb;)
    69. 

  69. #define	PPC405_ERR77_SYNC	stringify_in_c(sync;)
    70. 

  70. #else
    71. 

  71. #define PPC405_ERR77(ra,rb)
    72. 

  72. #define PPC405_ERR77_SYNC
    73. 

  73. #endif
    74. 

  74. #endif
    75. 

  75. 

  76. #endif /* _ASM_POWERPC_ASM_COMPAT_H */
    77. 

  77.