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-rw-r--r--arch/arm/mm/copypage-feroceon.S95
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/arm/mm/copypage-feroceon.S b/arch/arm/mm/copypage-feroceon.S
deleted file mode 100644
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1/*
2 * linux/arch/arm/lib/copypage-feroceon.S
3 *
4 * Copyright (C) 2008 Marvell Semiconductors
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This handles copy_user_page and clear_user_page on Feroceon
11 * more optimally than the generic implementations.
12 */
13#include <linux/linkage.h>
14#include <linux/init.h>
15#include <asm/asm-offsets.h>
16
17 .text
18 .align 5
19
20ENTRY(feroceon_copy_user_page)
21 stmfd sp!, {r4-r9, lr}
22 mov ip, #PAGE_SZ
231: mov lr, r1
24 ldmia r1!, {r2 - r9}
25 pld [lr, #32]
26 pld [lr, #64]
27 pld [lr, #96]
28 pld [lr, #128]
29 pld [lr, #160]
30 pld [lr, #192]
31 pld [lr, #224]
32 stmia r0, {r2 - r9}
33 ldmia r1!, {r2 - r9}
34 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
35 add r0, r0, #32
36 stmia r0, {r2 - r9}
37 ldmia r1!, {r2 - r9}
38 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
39 add r0, r0, #32
40 stmia r0, {r2 - r9}
41 ldmia r1!, {r2 - r9}
42 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
43 add r0, r0, #32
44 stmia r0, {r2 - r9}
45 ldmia r1!, {r2 - r9}
46 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
47 add r0, r0, #32
48 stmia r0, {r2 - r9}
49 ldmia r1!, {r2 - r9}
50 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
51 add r0, r0, #32
52 stmia r0, {r2 - r9}
53 ldmia r1!, {r2 - r9}
54 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
55 add r0, r0, #32
56 stmia r0, {r2 - r9}
57 ldmia r1!, {r2 - r9}
58 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
59 add r0, r0, #32
60 stmia r0, {r2 - r9}
61 subs ip, ip, #(32 * 8)
62 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
63 add r0, r0, #32
64 bne 1b
65 mcr p15, 0, ip, c7, c10, 4 @ drain WB
66 ldmfd sp!, {r4-r9, pc}
67
68 .align 5
69
70ENTRY(feroceon_clear_user_page)
71 stmfd sp!, {r4-r7, lr}
72 mov r1, #PAGE_SZ/32
73 mov r2, #0
74 mov r3, #0
75 mov r4, #0
76 mov r5, #0
77 mov r6, #0
78 mov r7, #0
79 mov ip, #0
80 mov lr, #0
811: stmia r0, {r2-r7, ip, lr}
82 subs r1, r1, #1
83 mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
84 add r0, r0, #32
85 bne 1b
86 mcr p15, 0, r1, c7, c10, 4 @ drain WB
87 ldmfd sp!, {r4-r7, pc}
88
89 __INITDATA
90
91 .type feroceon_user_fns, #object
92ENTRY(feroceon_user_fns)
93 .long feroceon_clear_user_page
94 .long feroceon_copy_user_page
95 .size feroceon_user_fns, . - feroceon_user_fns