1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #include <linux/linkage.h>
4 #include <linux/init.h>
5 #include <asm/page.h>
6 #include <abi/entry.h>
7
8 __HEAD
9 ENTRY(_start)
10 SETUP_MMU
11
12 /* set stack point */
13 lrw r6, init_thread_union + THREAD
14 mov sp, r6
15
16 jmpi csky_start
17 END(_start)
18
19 #ifdef CONFIG_SMP
20 .align 10
21 ENTRY(_start_smp_secondary)
22 SETUP_MMU
23
24 #ifdef CONFIG_PAGE_OFFSET_80000000
25 lrw r6, secondary_msa1
26 ld.w r6, (r6, 0)
27 mtcr r6, cr<31, 15>
28 #endif
29
30 lrw r6, secondary_pgd
31 ld.w r6, (r6, 0)
32 mtcr r6, cr<28, 15>
33 mtcr r6, cr<29, 15>
34
35 /* set stack point */
36 lrw r6, secondary_stack
37 ld.w r6, (r6, 0)
38 mov sp, r6
39
40 jmpi csky_start_secondary
41 END(_start_smp_secondary)
42 #endif
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