original_kernel/arch/csky/kernel/head.S

43 lines
686 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
#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