/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * purgatory: Runs between two kernels
 *
 * Copyright (C) 2022 Huawei Technologies Co, Ltd.
 *
 * Author: Li Zhengyu (lizhengyu3@huawei.com)
 *
 */
#include <asm/asm.h>
#include <linux/linkage.h>

.text

.align  2
SYM_CODE_START(purgatory_start)

        lla     sp, .Lstack
        mv      s0, a0  /* The hartid of the current hart */
        mv      s1, a1  /* Phys address of the FDT image */

        jal     purgatory

        /* Start new image. */
        mv      a0, s0
        mv      a1, s1
        ld      a2, riscv_kernel_entry
        jr      a2
SYM_CODE_END(purgatory_start)

.align 4
        .rept   256
        .quad   0
        .endr
.Lstack:

.data

.align LGREG
SYM_DATA(riscv_kernel_entry, .quad 0)

.end