linux/arch/csky/kernel/head.S

37 lines
587 B
ArmAsm

/* 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