File: head.S

package info (click to toggle)
linux 6.19.4-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 1,759,672 kB
  • sloc: ansic: 27,007,359; asm: 273,393; sh: 151,330; python: 81,278; makefile: 58,557; perl: 34,311; xml: 21,064; cpp: 5,986; yacc: 4,841; lex: 2,901; awk: 1,707; sed: 30; ruby: 25
file content (42 lines) | stat: -rw-r--r-- 686 bytes parent folder | download | duplicates (35)
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
40
41
42
/* SPDX-License-Identifier: GPL-2.0 */

#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/page.h>
#include <abi/entry.h>

__HEAD
ENTRY(_start)
	SETUP_MMU

	/* set stack point */
	lrw     r6, init_thread_union + THREAD_SIZE
	mov	sp, r6

	jmpi	csky_start
END(_start)

#ifdef CONFIG_SMP
.align 10
ENTRY(_start_smp_secondary)
	SETUP_MMU

#ifdef CONFIG_PAGE_OFFSET_80000000
	lrw	r6, secondary_msa1
	ld.w	r6, (r6, 0)
	mtcr	r6, cr<31, 15>
#endif

	lrw     r6, secondary_pgd
	ld.w	r6, (r6, 0)
	mtcr	r6, cr<28, 15>
	mtcr	r6, cr<29, 15>

	/* set stack point */
	lrw     r6, secondary_stack
	ld.w	r6, (r6, 0)
	mov	sp, r6

	jmpi	csky_start_secondary
END(_start_smp_secondary)
#endif