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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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82
arch/m32r/mm/page.S Normal file
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/*
* linux/arch/m32r/mm/page.S
*
* Clear/Copy page with CPU
*
* Copyright (C) 2004 The Free Software Initiative of Japan
*
* Written by Niibe Yutaka
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
*/
.text
.global copy_page
/*
* copy_page (to, from)
*
* PAGE_SIZE = 4096-byte
* Cache line = 16-byte
* 16 * 256
*/
.align 4
copy_page:
ldi r2, #255
ld r3, @r0 /* cache line allocate */
ld r4, @r1+
ld r5, @r1+
ld r6, @r1+
ld r7, @r1+
.fillinsn
0:
st r4, @r0
st r5, @+r0
st r6, @+r0
st r7, @+r0
ld r4, @r1+
addi r0, #4
ld r5, @r1+
ld r6, @r1+
ld r7, @r1+
ld r3, @r0 /* cache line allocate */
addi r2, #-1
bnez r2, 0b
st r4, @r0
st r5, @+r0
st r6, @+r0
st r7, @+r0
jmp r14
.text
.global clear_page
/*
* clear_page (to)
*
* PAGE_SIZE = 4096-byte
* Cache line = 16-byte
* 16 * 256
*/
.align 4
clear_page:
ldi r2, #255
ldi r4, #0
ld r3, @r0 /* cache line allocate */
.fillinsn
0:
st r4, @r0
st r4, @+r0
st r4, @+r0
st r4, @+r0
addi r0, #4
ld r3, @r0 /* cache line allocate */
addi r2, #-1
bnez r2, 0b
st r4, @r0
st r4, @+r0
st r4, @+r0
st r4, @+r0
jmp r14