headsmp.S 727 B

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  1. /*
  2. * linux/arch/arm/mach-realview/headsmp.S
  3. *
  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. __CPUINIT
  14. ENTRY(meson_secondary_startup)
  15. mrc p15, 0, r0, c0, c0, 5
  16. and r0, r0, #15
  17. adr r4, 1f
  18. ldmia r4, {r5, r6}
  19. sub r4, r4, r5
  20. add r6, r6, r4
  21. pen: ldr r7, [r6]
  22. cmp r7, r0
  23. bne pen
  24. /*
  25. * we've been released from the holding pen: secondary_stack
  26. * should now contain the SVC stack for this core
  27. */
  28. b secondary_startup
  29. .align
  30. 1: .long .
  31. .long pen_release