headsmp.S 841 B

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  1. /*
  2. * Copyright (c) 2009 ST-Ericsson
  3. * This file is based ARM Realview platform
  4. * Copyright (c) 2003 ARM Limited
  5. * All Rights Reserved
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #include <linux/linkage.h>
  12. #include <linux/init.h>
  13. /*
  14. * U8500 specific entry point for secondary CPUs.
  15. */
  16. ENTRY(u8500_secondary_startup)
  17. mrc p15, 0, r0, c0, c0, 5
  18. and r0, r0, #15
  19. adr r4, 1f
  20. ldmia r4, {r5, r6}
  21. sub r4, r4, r5
  22. add r6, r6, r4
  23. pen: ldr r7, [r6]
  24. cmp r7, r0
  25. bne pen
  26. /*
  27. * we've been released from the holding pen: secondary_stack
  28. * should now contain the SVC stack for this core
  29. */
  30. b secondary_startup
  31. ENDPROC(u8500_secondary_startup)
  32. .align 2
  33. 1: .long .
  34. .long pen_release