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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <linux/linkage.h>
#include <asm/asm.h>
#include <asm/page.h>
#include <asm/regdef.h>
.align 5
SYM_FUNC_START(clear_page)
lu12i.w t0, 1 << (PAGE_SHIFT - 12)
PTR_ADD t0, t0, a0
1:
LONG_S zero, a0, (LONGSIZE * 0)
LONG_S zero, a0, (LONGSIZE * 1)
LONG_S zero, a0, (LONGSIZE * 2)
LONG_S zero, a0, (LONGSIZE * 3)
LONG_S zero, a0, (LONGSIZE * 4)
LONG_S zero, a0, (LONGSIZE * 5)
LONG_S zero, a0, (LONGSIZE * 6)
LONG_S zero, a0, (LONGSIZE * 7)
PTR_ADDI a0, a0, (LONGSIZE * 16)
LONG_S zero, a0, -(LONGSIZE * 8)
LONG_S zero, a0, -(LONGSIZE * 7)
LONG_S zero, a0, -(LONGSIZE * 6)
LONG_S zero, a0, -(LONGSIZE * 5)
LONG_S zero, a0, -(LONGSIZE * 4)
LONG_S zero, a0, -(LONGSIZE * 3)
LONG_S zero, a0, -(LONGSIZE * 2)
LONG_S zero, a0, -(LONGSIZE * 1)
bne t0, a0, 1b
jr ra
SYM_FUNC_END(clear_page)
EXPORT_SYMBOL(clear_page)
.align 5
SYM_FUNC_START(copy_page)
lu12i.w t8, 1 << (PAGE_SHIFT - 12)
PTR_ADD t8, t8, a0
1:
LONG_L t0, a1, (LONGSIZE * 0)
LONG_L t1, a1, (LONGSIZE * 1)
LONG_L t2, a1, (LONGSIZE * 2)
LONG_L t3, a1, (LONGSIZE * 3)
LONG_L t4, a1, (LONGSIZE * 4)
LONG_L t5, a1, (LONGSIZE * 5)
LONG_L t6, a1, (LONGSIZE * 6)
LONG_L t7, a1, (LONGSIZE * 7)
LONG_S t0, a0, (LONGSIZE * 0)
LONG_S t1, a0, (LONGSIZE * 1)
LONG_L t0, a1, (LONGSIZE * 8)
LONG_L t1, a1, (LONGSIZE * 9)
LONG_S t2, a0, (LONGSIZE * 2)
LONG_S t3, a0, (LONGSIZE * 3)
LONG_L t2, a1, (LONGSIZE * 10)
LONG_L t3, a1, (LONGSIZE * 11)
LONG_S t4, a0, (LONGSIZE * 4)
LONG_S t5, a0, (LONGSIZE * 5)
LONG_L t4, a1, (LONGSIZE * 12)
LONG_L t5, a1, (LONGSIZE * 13)
LONG_S t6, a0, (LONGSIZE * 6)
LONG_S t7, a0, (LONGSIZE * 7)
LONG_L t6, a1, (LONGSIZE * 14)
LONG_L t7, a1, (LONGSIZE * 15)
PTR_ADDI a0, a0, (LONGSIZE * 16)
PTR_ADDI a1, a1, (LONGSIZE * 16)
LONG_S t0, a0, -(LONGSIZE * 8)
LONG_S t1, a0, -(LONGSIZE * 7)
LONG_S t2, a0, -(LONGSIZE * 6)
LONG_S t3, a0, -(LONGSIZE * 5)
LONG_S t4, a0, -(LONGSIZE * 4)
LONG_S t5, a0, -(LONGSIZE * 3)
LONG_S t6, a0, -(LONGSIZE * 2)
LONG_S t7, a0, -(LONGSIZE * 1)
bne t8, a0, 1b
jr ra
SYM_FUNC_END(copy_page)
EXPORT_SYMBOL(copy_page)
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