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>
43 lines
644 B
ArmAsm
43 lines
644 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* purgatory: Runs between two kernels
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*
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* Copyright (C) 2022 Huawei Technologies Co, Ltd.
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*
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* Author: Li Zhengyu (lizhengyu3@huawei.com)
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*
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*/
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#include <asm/asm.h>
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#include <linux/linkage.h>
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.text
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.align 2
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SYM_CODE_START(purgatory_start)
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lla sp, .Lstack
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mv s0, a0 /* The hartid of the current hart */
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mv s1, a1 /* Phys address of the FDT image */
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jal purgatory
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/* Start new image. */
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mv a0, s0
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mv a1, s1
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ld a2, riscv_kernel_entry
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jr a2
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SYM_CODE_END(purgatory_start)
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.align 4
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.rept 256
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.quad 0
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.endr
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.Lstack:
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.data
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.align LGREG
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SYM_DATA(riscv_kernel_entry, .quad 0)
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.end
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