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linux_kernel
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arch
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blackfin
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include
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uapi
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asm
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fixed_code.h

fixed_code.h 1.2 KB
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  1. /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
    2. 

  2. /*
    3. 

  3.  * This file defines the fixed addresses where userspace programs
    4. 

  4.  * can find atomic code sequences.
    5. 

  5.  *
    6. 

  6.  * Copyright 2007-2008 Analog Devices Inc.
    7. 

  7.  *
    8. 

  8.  * Licensed under the GPL-2 or later.
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef _UAPI__BFIN_ASM_FIXED_CODE_H__
    12. 

  12. #define _UAPI__BFIN_ASM_FIXED_CODE_H__
    13. 

  13. 

  14. 

  15. #ifndef CONFIG_PHY_RAM_BASE_ADDRESS
    16. 

  16. #define CONFIG_PHY_RAM_BASE_ADDRESS	0x0
    17. 

  17. #endif
    18. 

  18. 

  19. #define FIXED_CODE_START	(CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
    20. 

  20. 

  21. #define SIGRETURN_STUB		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
    22. 

  22. 

  23. #define ATOMIC_SEQS_START	(CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
    24. 

  24. 

  25. #define ATOMIC_XCHG32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
    26. 

  26. #define ATOMIC_CAS32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x420)
    27. 

  27. #define ATOMIC_ADD32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x430)
    28. 

  28. #define ATOMIC_SUB32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x440)
    29. 

  29. #define ATOMIC_IOR32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x450)
    30. 

  30. #define ATOMIC_AND32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x460)
    31. 

  31. #define ATOMIC_XOR32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x470)
    32. 

  32. 

  33. #define ATOMIC_SEQS_END		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
    34. 

  34. 

  35. #define SAFE_USER_INSTRUCTION   (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
    36. 

  36. 

  37. #define FIXED_CODE_END		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x490)
    38. 

  38. 

  39. #endif /* _UAPI__BFIN_ASM_FIXED_CODE_H__ */
    40.