asmmacro.h 1.5 KB

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  1. /* Assembler macros for SPARC
  2. *
  3. * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h
  4. * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. *
  24. */
  25. #ifndef __SPARC_ASMMACRO_H__
  26. #define __SPARC_ASMMACRO_H__
  27. #include <config.h>
  28. /* All trap entry points _must_ begin with this macro or else you
  29. * lose. It makes sure the kernel has a proper window so that
  30. * c-code can be called.
  31. */
  32. #define SAVE_ALL_HEAD \
  33. sethi %hi(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \
  34. jmpl %l4 + %lo(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l6;
  35. #define SAVE_ALL \
  36. SAVE_ALL_HEAD \
  37. nop;
  38. /* All traps low-level code here must end with this macro. */
  39. #define RESTORE_ALL b ret_trap_entry; clr %l6;
  40. #endif