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-rw-r--r--include/asm-sh/uaccess_32.h249
1 files changed, 0 insertions, 249 deletions
diff --git a/include/asm-sh/uaccess_32.h b/include/asm-sh/uaccess_32.h
deleted file mode 100644
index 892fd6dea9db..000000000000
--- a/include/asm-sh/uaccess_32.h
+++ /dev/null
@@ -1,249 +0,0 @@
1/*
2 * User space memory access functions
3 *
4 * Copyright (C) 1999, 2002 Niibe Yutaka
5 * Copyright (C) 2003 - 2008 Paul Mundt
6 *
7 * Based on:
8 * MIPS implementation version 1.15 by
9 * Copyright (C) 1996, 1997, 1998 by Ralf Baechle
10 * and i386 version.
11 */
12#ifndef __ASM_SH_UACCESS_32_H
13#define __ASM_SH_UACCESS_32_H
14
15#define __get_user_size(x,ptr,size,retval) \
16do { \
17 retval = 0; \
18 switch (size) { \
19 case 1: \
20 __get_user_asm(x, ptr, retval, "b"); \
21 break; \
22 case 2: \
23 __get_user_asm(x, ptr, retval, "w"); \
24 break; \
25 case 4: \
26 __get_user_asm(x, ptr, retval, "l"); \
27 break; \
28 default: \
29 __get_user_unknown(); \
30 break; \
31 } \
32} while (0)
33
34#ifdef CONFIG_MMU
35#define __get_user_asm(x, addr, err, insn) \
36({ \
37__asm__ __volatile__( \
38 "1:\n\t" \
39 "mov." insn " %2, %1\n\t" \
40 "2:\n" \
41 ".section .fixup,\"ax\"\n" \
42 "3:\n\t" \
43 "mov #0, %1\n\t" \
44 "mov.l 4f, %0\n\t" \
45 "jmp @%0\n\t" \
46 " mov %3, %0\n\t" \
47 ".balign 4\n" \
48 "4: .long 2b\n\t" \
49 ".previous\n" \
50 ".section __ex_table,\"a\"\n\t" \
51 ".long 1b, 3b\n\t" \
52 ".previous" \
53 :"=&r" (err), "=&r" (x) \
54 :"m" (__m(addr)), "i" (-EFAULT), "0" (err)); })
55#else
56#define __get_user_asm(x, addr, err, insn) \
57do { \
58 __asm__ __volatile__ ( \
59 "mov." insn " %1, %0\n\t" \
60 : "=&r" (x) \
61 : "m" (__m(addr)) \
62 ); \
63} while (0)
64#endif /* CONFIG_MMU */
65
66extern void __get_user_unknown(void);
67
68#define __put_user_size(x,ptr,size,retval) \
69do { \
70 retval = 0; \
71 switch (size) { \
72 case 1: \
73 __put_user_asm(x, ptr, retval, "b"); \
74 break; \
75 case 2: \
76 __put_user_asm(x, ptr, retval, "w"); \
77 break; \
78 case 4: \
79 __put_user_asm((u32)x, ptr, \
80 retval, "l"); \
81 break; \
82 case 8: \
83 __put_user_u64(x, ptr, retval); \
84 break; \
85 default: \
86 __put_user_unknown(); \
87 } \
88} while (0)
89
90#ifdef CONFIG_MMU
91#define __put_user_asm(x, addr, err, insn) \
92do { \
93 __asm__ __volatile__ ( \
94 "1:\n\t" \
95 "mov." insn " %1, %2\n\t" \
96 "2:\n" \
97 ".section .fixup,\"ax\"\n" \
98 "3:\n\t" \
99 "mov.l 4f, %0\n\t" \
100 "jmp @%0\n\t" \
101 " mov %3, %0\n\t" \
102 ".balign 4\n" \
103 "4: .long 2b\n\t" \
104 ".previous\n" \
105 ".section __ex_table,\"a\"\n\t" \
106 ".long 1b, 3b\n\t" \
107 ".previous" \
108 : "=&r" (err) \
109 : "r" (x), "m" (__m(addr)), "i" (-EFAULT), \
110 "0" (err) \
111 : "memory" \
112 ); \
113} while (0)
114#else
115#define __put_user_asm(x, addr, err, insn) \
116do { \
117 __asm__ __volatile__ ( \
118 "mov." insn " %0, %1\n\t" \
119 : /* no outputs */ \
120 : "r" (x), "m" (__m(addr)) \
121 : "memory" \
122 ); \
123} while (0)
124#endif /* CONFIG_MMU */
125
126#if defined(CONFIG_CPU_LITTLE_ENDIAN)
127#define __put_user_u64(val,addr,retval) \
128({ \
129__asm__ __volatile__( \
130 "1:\n\t" \
131 "mov.l %R1,%2\n\t" \
132 "mov.l %S1,%T2\n\t" \
133 "2:\n" \
134 ".section .fixup,\"ax\"\n" \
135 "3:\n\t" \
136 "mov.l 4f,%0\n\t" \
137 "jmp @%0\n\t" \
138 " mov %3,%0\n\t" \
139 ".balign 4\n" \
140 "4: .long 2b\n\t" \
141 ".previous\n" \
142 ".section __ex_table,\"a\"\n\t" \
143 ".long 1b, 3b\n\t" \
144 ".previous" \
145 : "=r" (retval) \
146 : "r" (val), "m" (__m(addr)), "i" (-EFAULT), "0" (retval) \
147 : "memory"); })
148#else
149#define __put_user_u64(val,addr,retval) \
150({ \
151__asm__ __volatile__( \
152 "1:\n\t" \
153 "mov.l %S1,%2\n\t" \
154 "mov.l %R1,%T2\n\t" \
155 "2:\n" \
156 ".section .fixup,\"ax\"\n" \
157 "3:\n\t" \
158 "mov.l 4f,%0\n\t" \
159 "jmp @%0\n\t" \
160 " mov %3,%0\n\t" \
161 ".balign 4\n" \
162 "4: .long 2b\n\t" \
163 ".previous\n" \
164 ".section __ex_table,\"a\"\n\t" \
165 ".long 1b, 3b\n\t" \
166 ".previous" \
167 : "=r" (retval) \
168 : "r" (val), "m" (__m(addr)), "i" (-EFAULT), "0" (retval) \
169 : "memory"); })
170#endif
171
172extern void __put_user_unknown(void);
173
174static inline int
175__strncpy_from_user(unsigned long __dest, unsigned long __user __src, int __count)
176{
177 __kernel_size_t res;
178 unsigned long __dummy, _d, _s, _c;
179
180 __asm__ __volatile__(
181 "9:\n"
182 "mov.b @%2+, %1\n\t"
183 "cmp/eq #0, %1\n\t"
184 "bt/s 2f\n"
185 "1:\n"
186 "mov.b %1, @%3\n\t"
187 "dt %4\n\t"
188 "bf/s 9b\n\t"
189 " add #1, %3\n\t"
190 "2:\n\t"
191 "sub %4, %0\n"
192 "3:\n"
193 ".section .fixup,\"ax\"\n"
194 "4:\n\t"
195 "mov.l 5f, %1\n\t"
196 "jmp @%1\n\t"
197 " mov %9, %0\n\t"
198 ".balign 4\n"
199 "5: .long 3b\n"
200 ".previous\n"
201 ".section __ex_table,\"a\"\n"
202 " .balign 4\n"
203 " .long 9b,4b\n"
204 ".previous"
205 : "=r" (res), "=&z" (__dummy), "=r" (_s), "=r" (_d), "=r"(_c)
206 : "0" (__count), "2" (__src), "3" (__dest), "4" (__count),
207 "i" (-EFAULT)
208 : "memory", "t");
209
210 return res;
211}
212
213/*
214 * Return the size of a string (including the ending 0 even when we have
215 * exceeded the maximum string length).
216 */
217static inline long __strnlen_user(const char __user *__s, long __n)
218{
219 unsigned long res;
220 unsigned long __dummy;
221
222 __asm__ __volatile__(
223 "1:\t"
224 "mov.b @(%0,%3), %1\n\t"
225 "cmp/eq %4, %0\n\t"
226 "bt/s 2f\n\t"
227 " add #1, %0\n\t"
228 "tst %1, %1\n\t"
229 "bf 1b\n\t"
230 "2:\n"
231 ".section .fixup,\"ax\"\n"
232 "3:\n\t"
233 "mov.l 4f, %1\n\t"
234 "jmp @%1\n\t"
235 " mov #0, %0\n"
236 ".balign 4\n"
237 "4: .long 2b\n"
238 ".previous\n"
239 ".section __ex_table,\"a\"\n"
240 " .balign 4\n"
241 " .long 1b,3b\n"
242 ".previous"
243 : "=z" (res), "=&r" (__dummy)
244 : "0" (0), "r" (__s), "r" (__n)
245 : "t");
246 return res;
247}
248
249#endif /* __ASM_SH_UACCESS_32_H */
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