1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * purgatory: Runs between two kernels
4 *
5 * Copyright (C) 2022 Huawei Technologies Co,
6 *
7 * Author: Li Zhengyu (lizhengyu3@huawei.com)
8 *
9 */
10 #include <asm/asm.h>
11 #include <linux/linkage.h>
12
13 .text
14
15 SYM_CODE_START(purgatory_start)
16
17 lla sp, .Lstack
18 mv s0, a0 /* The hartid of the c
19 mv s1, a1 /* Phys address of the
20
21 jal purgatory
22
23 /* Start new image. */
24 mv a0, s0
25 mv a1, s1
26 ld a2, riscv_kernel_entry
27 jr a2
28 SYM_CODE_END(purgatory_start)
29
30 .align 4
31 .rept 256
32 .quad 0
33 .endr
34 .Lstack:
35
36 .data
37
38 .align LGREG
39 SYM_DATA(riscv_kernel_entry, .quad 0)
40
41 .end
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