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| author | Jody McIntyre <scjody@modernduck.com> | 2005-11-18 08:18:25 +0300 |
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| committer | Jody McIntyre <scjody@modernduck.com> | 2005-11-18 08:18:25 +0300 |
| commit | a9931a6e37c09f6b76a9fa0cbd777c335548692b (patch) | |
| tree | cd6ba9d36e350dd6188f7b8f95efc59c85d34485 /arch/arm/mach-realview/headsmp.S | |
| parent | 7301c8d3a05dc52d33598364da7c4eb6ab6357eb (diff) | |
| parent | 811803c5572b296e0031e0099203de90d77c7bcf (diff) | |
| download | linux-a9931a6e37c09f6b76a9fa0cbd777c335548692b.tar.xz | |
Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/arm/mach-realview/headsmp.S')
| -rw-r--r-- | arch/arm/mach-realview/headsmp.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/headsmp.S b/arch/arm/mach-realview/headsmp.S new file mode 100644 index 000000000000..4075473cf68a --- /dev/null +++ b/arch/arm/mach-realview/headsmp.S @@ -0,0 +1,39 @@ +/* + * linux/arch/arm/mach-realview/headsmp.S + * + * Copyright (c) 2003 ARM Limited + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <linux/init.h> + + __INIT + +/* + * Realview specific entry point for secondary CPUs. This provides + * a "holding pen" into which all secondary cores are held until we're + * ready for them to initialise. + */ +ENTRY(realview_secondary_startup) + mrc p15, 0, r0, c0, c0, 5 + and r0, r0, #15 + adr r4, 1f + ldmia r4, {r5, r6} + sub r4, r4, r5 + add r6, r6, r4 +pen: ldr r7, [r6] + cmp r7, r0 + bne pen + + /* + * we've been released from the holding pen: secondary_stack + * should now contain the SVC stack for this core + */ + b secondary_startup + +1: .long . + .long pen_release |