blob: 5bcf3af903daa2f9fb2aaf1e57d79121bfcda988 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* 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 <linux/linkage.h>
.text
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
SYM_DATA(riscv_kernel_entry, .quad 0)
.end
|
