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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/linkage.h>
#include <asm/asm.h>
#include <asm/export.h>
#include <asm/page.h>
#include <asm/regdef.h>
.align 5
SYM_FUNC_START(clear_page)
lu12i.w t0, 1 << (PAGE_SHIFT - 12)
add.d t0, t0, a0
1:
st.d zero, a0, 0
st.d zero, a0, 8
st.d zero, a0, 16
st.d zero, a0, 24
st.d zero, a0, 32
st.d zero, a0, 40
st.d zero, a0, 48
st.d zero, a0, 56
addi.d a0, a0, 128
st.d zero, a0, -64
st.d zero, a0, -56
st.d zero, a0, -48
st.d zero, a0, -40
st.d zero, a0, -32
st.d zero, a0, -24
st.d zero, a0, -16
st.d zero, a0, -8
bne t0, a0, 1b
jirl $r0, ra, 0
SYM_FUNC_END(clear_page)
EXPORT_SYMBOL(clear_page)
.align 5
SYM_FUNC_START(copy_page)
lu12i.w t8, 1 << (PAGE_SHIFT - 12)
add.d t8, t8, a0
1:
ld.d t0, a1, 0
ld.d t1, a1, 8
ld.d t2, a1, 16
ld.d t3, a1, 24
ld.d t4, a1, 32
ld.d t5, a1, 40
ld.d t6, a1, 48
ld.d t7, a1, 56
st.d t0, a0, 0
st.d t1, a0, 8
ld.d t0, a1, 64
ld.d t1, a1, 72
st.d t2, a0, 16
st.d t3, a0, 24
ld.d t2, a1, 80
ld.d t3, a1, 88
st.d t4, a0, 32
st.d t5, a0, 40
ld.d t4, a1, 96
ld.d t5, a1, 104
st.d t6, a0, 48
st.d t7, a0, 56
ld.d t6, a1, 112
ld.d t7, a1, 120
addi.d a0, a0, 128
addi.d a1, a1, 128
st.d t0, a0, -64
st.d t1, a0, -56
st.d t2, a0, -48
st.d t3, a0, -40
st.d t4, a0, -32
st.d t5, a0, -24
st.d t6, a0, -16
st.d t7, a0, -8
bne t8, a0, 1b
jirl $r0, ra, 0
SYM_FUNC_END(copy_page)
EXPORT_SYMBOL(copy_page)
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