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-rw-r--r--arch/parisc/include/asm/uaccess.h116
1 files changed, 58 insertions, 58 deletions
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 6c79311acdaf..0abdd4c607ed 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -17,7 +17,7 @@
17#define KERNEL_DS ((mm_segment_t){0}) 17#define KERNEL_DS ((mm_segment_t){0})
18#define USER_DS ((mm_segment_t){1}) 18#define USER_DS ((mm_segment_t){1})
19 19
20#define segment_eq(a,b) ((a).seg == (b).seg) 20#define segment_eq(a, b) ((a).seg == (b).seg)
21 21
22#define get_ds() (KERNEL_DS) 22#define get_ds() (KERNEL_DS)
23#define get_fs() (current_thread_info()->addr_limit) 23#define get_fs() (current_thread_info()->addr_limit)
@@ -42,14 +42,14 @@ static inline long access_ok(int type, const void __user * addr,
42#if !defined(CONFIG_64BIT) 42#if !defined(CONFIG_64BIT)
43#define LDD_KERNEL(ptr) BUILD_BUG() 43#define LDD_KERNEL(ptr) BUILD_BUG()
44#define LDD_USER(ptr) BUILD_BUG() 44#define LDD_USER(ptr) BUILD_BUG()
45#define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr) 45#define STD_KERNEL(x, ptr) __put_kernel_asm64(x, ptr)
46#define STD_USER(x, ptr) __put_user_asm64(x,ptr) 46#define STD_USER(x, ptr) __put_user_asm64(x, ptr)
47#define ASM_WORD_INSN ".word\t" 47#define ASM_WORD_INSN ".word\t"
48#else 48#else
49#define LDD_KERNEL(ptr) __get_kernel_asm("ldd",ptr) 49#define LDD_KERNEL(ptr) __get_kernel_asm("ldd", ptr)
50#define LDD_USER(ptr) __get_user_asm("ldd",ptr) 50#define LDD_USER(ptr) __get_user_asm("ldd", ptr)
51#define STD_KERNEL(x, ptr) __put_kernel_asm("std",x,ptr) 51#define STD_KERNEL(x, ptr) __put_kernel_asm("std", x, ptr)
52#define STD_USER(x, ptr) __put_user_asm("std",x,ptr) 52#define STD_USER(x, ptr) __put_user_asm("std", x, ptr)
53#define ASM_WORD_INSN ".dword\t" 53#define ASM_WORD_INSN ".dword\t"
54#endif 54#endif
55 55
@@ -80,68 +80,68 @@ struct exception_data {
80 unsigned long fault_addr; 80 unsigned long fault_addr;
81}; 81};
82 82
83#define __get_user(x,ptr) \ 83#define __get_user(x, ptr) \
84({ \ 84({ \
85 register long __gu_err __asm__ ("r8") = 0; \ 85 register long __gu_err __asm__ ("r8") = 0; \
86 register long __gu_val __asm__ ("r9") = 0; \ 86 register long __gu_val __asm__ ("r9") = 0; \
87 \ 87 \
88 if (segment_eq(get_fs(),KERNEL_DS)) { \ 88 if (segment_eq(get_fs(), KERNEL_DS)) { \
89 switch (sizeof(*(ptr))) { \ 89 switch (sizeof(*(ptr))) { \
90 case 1: __get_kernel_asm("ldb",ptr); break; \ 90 case 1: __get_kernel_asm("ldb", ptr); break; \
91 case 2: __get_kernel_asm("ldh",ptr); break; \ 91 case 2: __get_kernel_asm("ldh", ptr); break; \
92 case 4: __get_kernel_asm("ldw",ptr); break; \ 92 case 4: __get_kernel_asm("ldw", ptr); break; \
93 case 8: LDD_KERNEL(ptr); break; \ 93 case 8: LDD_KERNEL(ptr); break; \
94 default: BUILD_BUG(); break; \ 94 default: BUILD_BUG(); break; \
95 } \ 95 } \
96 } \ 96 } \
97 else { \ 97 else { \
98 switch (sizeof(*(ptr))) { \ 98 switch (sizeof(*(ptr))) { \
99 case 1: __get_user_asm("ldb",ptr); break; \ 99 case 1: __get_user_asm("ldb", ptr); break; \
100 case 2: __get_user_asm("ldh",ptr); break; \ 100 case 2: __get_user_asm("ldh", ptr); break; \
101 case 4: __get_user_asm("ldw",ptr); break; \ 101 case 4: __get_user_asm("ldw", ptr); break; \
102 case 8: LDD_USER(ptr); break; \ 102 case 8: LDD_USER(ptr); break; \
103 default: BUILD_BUG(); break; \ 103 default: BUILD_BUG(); break; \
104 } \ 104 } \
105 } \ 105 } \
106 \ 106 \
107 (x) = (__force __typeof__(*(ptr))) __gu_val; \ 107 (x) = (__force __typeof__(*(ptr))) __gu_val; \
108 __gu_err; \ 108 __gu_err; \
109}) 109})
110 110
111#define __get_kernel_asm(ldx,ptr) \ 111#define __get_kernel_asm(ldx, ptr) \
112 __asm__("\n1:\t" ldx "\t0(%2),%0\n\t" \ 112 __asm__("\n1:\t" ldx "\t0(%2),%0\n\t" \
113 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\ 113 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
114 : "=r"(__gu_val), "=r"(__gu_err) \ 114 : "=r"(__gu_val), "=r"(__gu_err) \
115 : "r"(ptr), "1"(__gu_err) \ 115 : "r"(ptr), "1"(__gu_err) \
116 : "r1"); 116 : "r1");
117 117
118#define __get_user_asm(ldx,ptr) \ 118#define __get_user_asm(ldx, ptr) \
119 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n\t" \ 119 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n\t" \
120 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_get_user_skip_1)\ 120 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
121 : "=r"(__gu_val), "=r"(__gu_err) \ 121 : "=r"(__gu_val), "=r"(__gu_err) \
122 : "r"(ptr), "1"(__gu_err) \ 122 : "r"(ptr), "1"(__gu_err) \
123 : "r1"); 123 : "r1");
124 124
125#define __put_user(x,ptr) \ 125#define __put_user(x, ptr) \
126({ \ 126({ \
127 register long __pu_err __asm__ ("r8") = 0; \ 127 register long __pu_err __asm__ ("r8") = 0; \
128 __typeof__(*(ptr)) __x = (__typeof__(*(ptr)))(x); \ 128 __typeof__(*(ptr)) __x = (__typeof__(*(ptr)))(x); \
129 \ 129 \
130 if (segment_eq(get_fs(),KERNEL_DS)) { \ 130 if (segment_eq(get_fs(), KERNEL_DS)) { \
131 switch (sizeof(*(ptr))) { \ 131 switch (sizeof(*(ptr))) { \
132 case 1: __put_kernel_asm("stb",__x,ptr); break; \ 132 case 1: __put_kernel_asm("stb", __x, ptr); break; \
133 case 2: __put_kernel_asm("sth",__x,ptr); break; \ 133 case 2: __put_kernel_asm("sth", __x, ptr); break; \
134 case 4: __put_kernel_asm("stw",__x,ptr); break; \ 134 case 4: __put_kernel_asm("stw", __x, ptr); break; \
135 case 8: STD_KERNEL(__x,ptr); break; \ 135 case 8: STD_KERNEL(__x, ptr); break; \
136 default: BUILD_BUG(); break; \ 136 default: BUILD_BUG(); break; \
137 } \ 137 } \
138 } \ 138 } \
139 else { \ 139 else { \
140 switch (sizeof(*(ptr))) { \ 140 switch (sizeof(*(ptr))) { \
141 case 1: __put_user_asm("stb",__x,ptr); break; \ 141 case 1: __put_user_asm("stb", __x, ptr); break; \
142 case 2: __put_user_asm("sth",__x,ptr); break; \ 142 case 2: __put_user_asm("sth", __x, ptr); break; \
143 case 4: __put_user_asm("stw",__x,ptr); break; \ 143 case 4: __put_user_asm("stw", __x, ptr); break; \
144 case 8: STD_USER(__x,ptr); break; \ 144 case 8: STD_USER(__x, ptr); break; \
145 default: BUILD_BUG(); break; \ 145 default: BUILD_BUG(); break; \
146 } \ 146 } \
147 } \ 147 } \
@@ -159,18 +159,18 @@ struct exception_data {
159 * r8/r9 are already listed as err/val. 159 * r8/r9 are already listed as err/val.
160 */ 160 */
161 161
162#define __put_kernel_asm(stx,x,ptr) \ 162#define __put_kernel_asm(stx, x, ptr) \
163 __asm__ __volatile__ ( \ 163 __asm__ __volatile__ ( \
164 "\n1:\t" stx "\t%2,0(%1)\n\t" \ 164 "\n1:\t" stx "\t%2,0(%1)\n\t" \
165 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\ 165 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_1)\
166 : "=r"(__pu_err) \ 166 : "=r"(__pu_err) \
167 : "r"(ptr), "r"(x), "0"(__pu_err) \ 167 : "r"(ptr), "r"(x), "0"(__pu_err) \
168 : "r1") 168 : "r1")
169 169
170#define __put_user_asm(stx,x,ptr) \ 170#define __put_user_asm(stx, x, ptr) \
171 __asm__ __volatile__ ( \ 171 __asm__ __volatile__ ( \
172 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n\t" \ 172 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n\t" \
173 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\ 173 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_1)\
174 : "=r"(__pu_err) \ 174 : "=r"(__pu_err) \
175 : "r"(ptr), "r"(x), "0"(__pu_err) \ 175 : "r"(ptr), "r"(x), "0"(__pu_err) \
176 : "r1") 176 : "r1")
@@ -178,23 +178,23 @@ struct exception_data {
178 178
179#if !defined(CONFIG_64BIT) 179#if !defined(CONFIG_64BIT)
180 180
181#define __put_kernel_asm64(__val,ptr) do { \ 181#define __put_kernel_asm64(__val, ptr) do { \
182 __asm__ __volatile__ ( \ 182 __asm__ __volatile__ ( \
183 "\n1:\tstw %2,0(%1)" \ 183 "\n1:\tstw %2,0(%1)" \
184 "\n2:\tstw %R2,4(%1)\n\t" \ 184 "\n2:\tstw %R2,4(%1)\n\t" \
185 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\ 185 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_2)\
186 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\ 186 ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_put_user_skip_1)\
187 : "=r"(__pu_err) \ 187 : "=r"(__pu_err) \
188 : "r"(ptr), "r"(__val), "0"(__pu_err) \ 188 : "r"(ptr), "r"(__val), "0"(__pu_err) \
189 : "r1"); \ 189 : "r1"); \
190} while (0) 190} while (0)
191 191
192#define __put_user_asm64(__val,ptr) do { \ 192#define __put_user_asm64(__val, ptr) do { \
193 __asm__ __volatile__ ( \ 193 __asm__ __volatile__ ( \
194 "\n1:\tstw %2,0(%%sr3,%1)" \ 194 "\n1:\tstw %2,0(%%sr3,%1)" \
195 "\n2:\tstw %R2,4(%%sr3,%1)\n\t" \ 195 "\n2:\tstw %R2,4(%%sr3,%1)\n\t" \
196 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\ 196 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_2)\
197 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\ 197 ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_put_user_skip_1)\
198 : "=r"(__pu_err) \ 198 : "=r"(__pu_err) \
199 : "r"(ptr), "r"(__val), "0"(__pu_err) \ 199 : "r"(ptr), "r"(__val), "0"(__pu_err) \
200 : "r1"); \ 200 : "r1"); \
@@ -211,8 +211,8 @@ extern unsigned long lcopy_to_user(void __user *, const void *, unsigned long);
211extern unsigned long lcopy_from_user(void *, const void __user *, unsigned long); 211extern unsigned long lcopy_from_user(void *, const void __user *, unsigned long);
212extern unsigned long lcopy_in_user(void __user *, const void __user *, unsigned long); 212extern unsigned long lcopy_in_user(void __user *, const void __user *, unsigned long);
213extern long strncpy_from_user(char *, const char __user *, long); 213extern long strncpy_from_user(char *, const char __user *, long);
214extern unsigned lclear_user(void __user *,unsigned long); 214extern unsigned lclear_user(void __user *, unsigned long);
215extern long lstrnlen_user(const char __user *,long); 215extern long lstrnlen_user(const char __user *, long);
216/* 216/*
217 * Complex access routines -- macros 217 * Complex access routines -- macros
218 */ 218 */