Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
37 lines
821 B
ArmAsm
37 lines
821 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2003 ARM Limited
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* All Rights Reserved
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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/assembler.h>
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/*
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* Realview/Versatile Express 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(versatile_secondary_startup)
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ARM_BE8(setend be)
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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 versatile_cpu_release
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ENDPROC(versatile_secondary_startup)
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