OpenWrt – Blame information for rev 4
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4 | office | 1 | /* |
2 | * linux/arch/arm/mach-cns3xxx/headsmp.S |
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3 | * |
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4 | * Cloned from linux/arch/arm/plat-versatile/headsmp.S |
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5 | * |
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6 | * Copyright (c) 2003 ARM Limited |
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7 | * All Rights Reserved |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License version 2 as |
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11 | * published by the Free Software Foundation. |
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12 | */ |
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13 | #include <linux/linkage.h> |
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14 | #include <linux/init.h> |
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15 | |||
16 | /* |
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17 | * CNS3XXX specific entry point for secondary CPUs. This provides |
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18 | * a "holding pen" into which all secondary cores are held until we're |
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19 | * ready for them to initialise. |
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20 | */ |
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21 | ENTRY(cns3xxx_secondary_startup) |
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22 | mrc p15, 0, r0, c0, c0, 5 |
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23 | and r0, r0, #15 |
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24 | adr r4, 1f |
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25 | ldmia r4, {r5, r6} |
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26 | sub r4, r4, r5 |
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27 | add r6, r6, r4 |
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28 | pen: ldr r7, [r6] |
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29 | cmp r7, r0 |
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30 | bne pen |
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31 | |||
32 | /* |
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33 | * we've been released from the holding pen: secondary_stack |
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34 | * should now contain the SVC stack for this core |
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35 | */ |
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36 | b secondary_startup |
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37 | ENDPROC(cns3xxx_secondary_startup) |
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38 | |||
39 | .align 2 |
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40 | 1: .long . |
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41 | .long pen_release |