44 lines
976 B
ArmAsm
Executable File
44 lines
976 B
ArmAsm
Executable File
/*
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* linux/arch/arm/mach-nvt-na51000/headsmp.S
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*
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* Copyright (c) Novatek Limited
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/linkage.h>
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#include <linux/init.h>
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#include <asm/memory.h>
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.text
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/*
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* Specific entry point for secondary CPUs.
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* This provides a "holding pen" into which all secondary cores are held
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* until we're ready for them to initialise.
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*/
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ENTRY(nvt_secondary_startup)
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/* SMP get pen init. */
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mrc p15, 0, r0, c0, c0, 5
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bic r0, #0xff000000
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adr r4, 1f
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ldmia r4, {r5, r6}
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sub r4, r4, r5
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add r6, r6, r4
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pen: ldr r7, [r6]
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cmp r7, r0
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bne pen
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/*
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* we've been released from the holding pen: secondary_stack
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* should now contain the SVC stack for this core
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*/
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b secondary_startup
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.align
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1: .long .
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.long pen_release
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ENDPROC(nvt_secondary_startup)
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