entry-macro.S 1.2 KB

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  1. /*
  2. * arch/arm/mach-netx/include/mach/entry-macro.S
  3. *
  4. * Low-level IRQ helper macros for Hilscher netX based platforms
  5. *
  6. * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2
  10. * as published by the Free Software Foundation.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20. */
  21. #include <mach/hardware.h>
  22. .macro disable_fiq
  23. .endm
  24. .macro get_irqnr_preamble, base, tmp
  25. .endm
  26. .macro arch_ret_to_user, tmp1, tmp2
  27. .endm
  28. .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
  29. mov \base, #io_p2v(0x00100000)
  30. add \base, \base, #0x000ff000
  31. ldr \irqstat, [\base, #0]
  32. clz \irqnr, \irqstat
  33. rsb \irqnr, \irqnr, #31
  34. cmp \irqstat, #0
  35. .endm