entry.h 1.1 KB

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  1. /*
  2. * Definitions used by low-level trap handlers
  3. *
  4. * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  5. * Copyright (C) 2007-2009 PetaLogix
  6. * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
  7. *
  8. * This file is subject to the terms and conditions of the GNU General
  9. * Public License. See the file COPYING in the main directory of this
  10. * archive for more details.
  11. */
  12. #ifndef _ASM_MICROBLAZE_ENTRY_H
  13. #define _ASM_MICROBLAZE_ENTRY_H
  14. #include <asm/percpu.h>
  15. #include <asm/ptrace.h>
  16. #include <linux/linkage.h>
  17. /*
  18. * These are per-cpu variables required in entry.S, among other
  19. * places
  20. */
  21. #define PER_CPU(var) var
  22. # ifndef __ASSEMBLY__
  23. DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
  24. DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
  25. DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
  26. DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
  27. DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
  28. extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall);
  29. # endif /* __ASSEMBLY__ */
  30. #endif /* _ASM_MICROBLAZE_ENTRY_H */