cache.h 1.2 KB

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  1. /*
  2. * Cache definitions for the Hexagon architecture
  3. *
  4. * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 and
  8. * only version 2 as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18. * 02110-1301, USA.
  19. */
  20. #ifndef __ASM_CACHE_H
  21. #define __ASM_CACHE_H
  22. /* Bytes per L1 cache line */
  23. #define L1_CACHE_SHIFT (5)
  24. #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
  25. #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
  26. #define __cacheline_aligned __aligned(L1_CACHE_BYTES)
  27. #define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
  28. /* See http://lwn.net/Articles/262554/ */
  29. #define __read_mostly
  30. #endif