48 lines
665 B
ArmAsm
48 lines
665 B
ArmAsm
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/* 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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.macro size, sym:req
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.size \sym, . - \sym
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.endm
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.text
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.globl purgatory_start
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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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size 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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.globl riscv_kernel_entry
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riscv_kernel_entry:
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.quad 0
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size riscv_kernel_entry
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.end
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