diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-05 02:20:42 -0500 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2007-11-06 21:14:12 -0500 |
commit | af39c16bd843ee8bde495c8ccb95a5ca209f3051 (patch) | |
tree | b318c83125f4fe9c0121a79418e858e165a58402 /arch | |
parent | ba1789efea81acc6633f427bfeb871fd608965b5 (diff) |
sh: Kill off __{copy,clear}_user_page().
Now that copy_to_user_page()/copy_from_user_page() are wired up, we
can drop the old __copy_xxx() implementations. Now that the page
colouring scheme has changed via kmap_coherent(), we can avoid the
flush in these specific helpers.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sh/mm/clear_page.S | 45 | ||||
-rw-r--r-- | arch/sh/mm/copy_page.S | 61 |
2 files changed, 0 insertions, 106 deletions
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S index 8a706131e521..7a7c81ee3f01 100644 --- a/arch/sh/mm/clear_page.S +++ b/arch/sh/mm/clear_page.S | |||
@@ -150,48 +150,3 @@ ENTRY(__clear_user) | |||
150 | .long 8b, .Lbad_clear_user | 150 | .long 8b, .Lbad_clear_user |
151 | .long 9b, .Lbad_clear_user | 151 | .long 9b, .Lbad_clear_user |
152 | .previous | 152 | .previous |
153 | |||
154 | #if defined(CONFIG_CPU_SH4) | ||
155 | /* | ||
156 | * __clear_user_page | ||
157 | * @to: P3 address (with same color) | ||
158 | * @orig_to: P1 address | ||
159 | * | ||
160 | * void __clear_user_page(void *to, void *orig_to) | ||
161 | */ | ||
162 | |||
163 | /* | ||
164 | * r0 --- scratch | ||
165 | * r4 --- to | ||
166 | * r5 --- orig_to | ||
167 | * r6 --- to + PAGE_SIZE | ||
168 | */ | ||
169 | ENTRY(__clear_user_page) | ||
170 | mov.l .Lpsz,r0 | ||
171 | mov r4,r6 | ||
172 | add r0,r6 | ||
173 | mov #0,r0 | ||
174 | ! | ||
175 | 1: ocbi @r5 | ||
176 | add #32,r5 | ||
177 | movca.l r0,@r4 | ||
178 | mov r4,r1 | ||
179 | add #32,r4 | ||
180 | mov.l r0,@-r4 | ||
181 | mov.l r0,@-r4 | ||
182 | mov.l r0,@-r4 | ||
183 | mov.l r0,@-r4 | ||
184 | mov.l r0,@-r4 | ||
185 | mov.l r0,@-r4 | ||
186 | mov.l r0,@-r4 | ||
187 | add #28,r4 | ||
188 | cmp/eq r6,r4 | ||
189 | bf/s 1b | ||
190 | ocbwb @r1 | ||
191 | ! | ||
192 | rts | ||
193 | nop | ||
194 | .Lpsz: .long PAGE_SIZE | ||
195 | |||
196 | #endif | ||
197 | |||
diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S index 3d8409daa4be..40685018b952 100644 --- a/arch/sh/mm/copy_page.S +++ b/arch/sh/mm/copy_page.S | |||
@@ -68,67 +68,6 @@ ENTRY(copy_page_slow) | |||
68 | rts | 68 | rts |
69 | nop | 69 | nop |
70 | 70 | ||
71 | #if defined(CONFIG_CPU_SH4) | ||
72 | /* | ||
73 | * __copy_user_page | ||
74 | * @to: P1 address (with same color) | ||
75 | * @from: P1 address | ||
76 | * @orig_to: P1 address | ||
77 | * | ||
78 | * void __copy_user_page(void *to, void *from, void *orig_to) | ||
79 | */ | ||
80 | |||
81 | /* | ||
82 | * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch | ||
83 | * r8 --- from + PAGE_SIZE | ||
84 | * r9 --- orig_to | ||
85 | * r10 --- to | ||
86 | * r11 --- from | ||
87 | */ | ||
88 | ENTRY(__copy_user_page) | ||
89 | mov.l r8,@-r15 | ||
90 | mov.l r9,@-r15 | ||
91 | mov.l r10,@-r15 | ||
92 | mov.l r11,@-r15 | ||
93 | mov r4,r10 | ||
94 | mov r5,r11 | ||
95 | mov r6,r9 | ||
96 | mov r5,r8 | ||
97 | mov.l .Lpsz,r0 | ||
98 | add r0,r8 | ||
99 | ! | ||
100 | 1: ocbi @r9 | ||
101 | add #32,r9 | ||
102 | mov.l @r11+,r0 | ||
103 | mov.l @r11+,r1 | ||
104 | mov.l @r11+,r2 | ||
105 | mov.l @r11+,r3 | ||
106 | mov.l @r11+,r4 | ||
107 | mov.l @r11+,r5 | ||
108 | mov.l @r11+,r6 | ||
109 | mov.l @r11+,r7 | ||
110 | movca.l r0,@r10 | ||
111 | mov r10,r0 | ||
112 | add #32,r10 | ||
113 | mov.l r7,@-r10 | ||
114 | mov.l r6,@-r10 | ||
115 | mov.l r5,@-r10 | ||
116 | mov.l r4,@-r10 | ||
117 | mov.l r3,@-r10 | ||
118 | mov.l r2,@-r10 | ||
119 | mov.l r1,@-r10 | ||
120 | ocbwb @r0 | ||
121 | cmp/eq r11,r8 | ||
122 | bf/s 1b | ||
123 | add #28,r10 | ||
124 | ! | ||
125 | mov.l @r15+,r11 | ||
126 | mov.l @r15+,r10 | ||
127 | mov.l @r15+,r9 | ||
128 | mov.l @r15+,r8 | ||
129 | rts | ||
130 | nop | ||
131 | #endif | ||
132 | .align 2 | 71 | .align 2 |
133 | .Lpsz: .long PAGE_SIZE | 72 | .Lpsz: .long PAGE_SIZE |
134 | /* | 73 | /* |