debug-macro.S 833 B

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  1. /* linux/include/asm-arm/arch-rpc/debug-macro.S
  2. *
  3. * Debugging macro include header
  4. *
  5. * Copyright (C) 1994-1999 Russell King
  6. * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
  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 as
  10. * published by the Free Software Foundation.
  11. *
  12. */
  13. .macro addruart,rx
  14. mrc p15, 0, \rx, c1, c0
  15. tst \rx, #1 @ MMU enabled?
  16. moveq \rx, #0x03000000
  17. movne \rx, #0xe0000000
  18. orr \rx, \rx, #0x00010000
  19. orr \rx, \rx, #0x00000fe0
  20. .endm
  21. .macro senduart,rd,rx
  22. strb \rd, [\rx]
  23. .endm
  24. .macro busyuart,rd,rx
  25. 1001: ldrb \rd, [\rx, #0x14]
  26. and \rd, \rd, #0x60
  27. teq \rd, #0x60
  28. bne 1001b
  29. .endm
  30. .macro waituart,rd,rx
  31. 1001: ldrb \rd, [\rx, #0x18]
  32. tst \rd, #0x10
  33. beq 1001b
  34. .endm