[mirror_ubuntu-hirsute-kernel.git] / arch / csky / kernel / head.S

/* 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

	/* copy msa1 from CPU0 */
	lrw     r6, secondary_msa1
	ld.w	r6, (r6, 0)
	mtcr	r6, cr<31, 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
Commit	Line	Data
9143a935 GR	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)
205353fa	10	SETUP_MMU
9143a935 GR	11
9143a935 GR	12	/* set stack point */
205353fa GR	13	lrw r6, init_thread_union + THREAD_SIZE
205353fa GR	14	mov sp, r6
9143a935 GR	15
	16	jmpi csky_start
	17	END(_start)
	18
	19	#ifdef CONFIG_SMP
	20	.align 10
	21	ENTRY(_start_smp_secondary)
205353fa	22	SETUP_MMU
9143a935	23
aefd9461 GR	24	/* copy msa1 from CPU0 */
	25	lrw r6, secondary_msa1
	26	ld.w r6, (r6, 0)
	27	mtcr r6, cr<31, 15>
	28
9143a935	29	/* set stack point */
205353fa GR	30	lrw r6, secondary_stack
	31	ld.w r6, (r6, 0)
	32	mov sp, r6
9143a935 GR	33
	34	jmpi csky_start_secondary
	35	END(_start_smp_secondary)
	36	#endif