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-rw-r--r--include/asm-parisc/uaccess.h86
1 files changed, 27 insertions, 59 deletions
diff --git a/include/asm-parisc/uaccess.h b/include/asm-parisc/uaccess.h
index 2e87e823600a..98c36dcadf80 100644
--- a/include/asm-parisc/uaccess.h
+++ b/include/asm-parisc/uaccess.h
@@ -42,16 +42,18 @@ static inline long access_ok(int type, const void __user * addr,
42#define put_user __put_user 42#define put_user __put_user
43#define get_user __get_user 43#define get_user __get_user
44 44
45#if BITS_PER_LONG == 32 45#if !defined(__LP64__)
46#define LDD_KERNEL(ptr) __get_kernel_bad(); 46#define LDD_KERNEL(ptr) __get_kernel_bad();
47#define LDD_USER(ptr) __get_user_bad(); 47#define LDD_USER(ptr) __get_user_bad();
48#define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr) 48#define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr)
49#define STD_USER(x, ptr) __put_user_asm64(x,ptr) 49#define STD_USER(x, ptr) __put_user_asm64(x,ptr)
50#define ASM_WORD_INSN ".word\t"
50#else 51#else
51#define LDD_KERNEL(ptr) __get_kernel_asm("ldd",ptr) 52#define LDD_KERNEL(ptr) __get_kernel_asm("ldd",ptr)
52#define LDD_USER(ptr) __get_user_asm("ldd",ptr) 53#define LDD_USER(ptr) __get_user_asm("ldd",ptr)
53#define STD_KERNEL(x, ptr) __put_kernel_asm("std",x,ptr) 54#define STD_KERNEL(x, ptr) __put_kernel_asm("std",x,ptr)
54#define STD_USER(x, ptr) __put_user_asm("std",x,ptr) 55#define STD_USER(x, ptr) __put_user_asm("std",x,ptr)
56#define ASM_WORD_INSN ".dword\t"
55#endif 57#endif
56 58
57/* 59/*
@@ -103,11 +105,11 @@ struct exception_data {
103 __gu_err; \ 105 __gu_err; \
104}) 106})
105 107
106#ifdef __LP64__
107#define __get_kernel_asm(ldx,ptr) \ 108#define __get_kernel_asm(ldx,ptr) \
108 __asm__("\n1:\t" ldx "\t0(%2),%0\n" \ 109 __asm__("\n1:\t" ldx "\t0(%2),%0\n" \
109 "\t.section __ex_table,\"aw\"\n" \ 110 "\t.section __ex_table,\"aw\"\n" \
110 "\t.dword\t1b,fixup_get_user_skip_1\n" \ 111 "\t" ASM_WORD_INSN \
112 "1b,fixup_get_user_skip_1\n" \
111 "\t.previous" \ 113 "\t.previous" \
112 : "=r"(__gu_val), "=r"(__gu_err) \ 114 : "=r"(__gu_val), "=r"(__gu_err) \
113 : "r"(ptr), "1"(__gu_err) \ 115 : "r"(ptr), "1"(__gu_err) \
@@ -116,30 +118,12 @@ struct exception_data {
116#define __get_user_asm(ldx,ptr) \ 118#define __get_user_asm(ldx,ptr) \
117 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n" \ 119 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n" \
118 "\t.section __ex_table,\"aw\"\n" \ 120 "\t.section __ex_table,\"aw\"\n" \
119 "\t.dword\t1b,fixup_get_user_skip_1\n" \ 121 "\t" ASM_WORD_INSN \
122 "1b,fixup_get_user_skip_1\n" \
120 "\t.previous" \ 123 "\t.previous" \
121 : "=r"(__gu_val), "=r"(__gu_err) \ 124 : "=r"(__gu_val), "=r"(__gu_err) \
122 : "r"(ptr), "1"(__gu_err) \ 125 : "r"(ptr), "1"(__gu_err) \
123 : "r1"); 126 : "r1");
124#else
125#define __get_kernel_asm(ldx,ptr) \
126 __asm__("\n1:\t" ldx "\t0(%2),%0\n" \
127 "\t.section __ex_table,\"aw\"\n" \
128 "\t.word\t1b,fixup_get_user_skip_1\n" \
129 "\t.previous" \
130 : "=r"(__gu_val), "=r"(__gu_err) \
131 : "r"(ptr), "1"(__gu_err) \
132 : "r1");
133
134#define __get_user_asm(ldx,ptr) \
135 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n" \
136 "\t.section __ex_table,\"aw\"\n" \
137 "\t.word\t1b,fixup_get_user_skip_1\n" \
138 "\t.previous" \
139 : "=r"(__gu_val), "=r"(__gu_err) \
140 : "r"(ptr), "1"(__gu_err) \
141 : "r1");
142#endif /* !__LP64__ */
143 127
144#define __put_user(x,ptr) \ 128#define __put_user(x,ptr) \
145({ \ 129({ \
@@ -178,12 +162,12 @@ struct exception_data {
178 * r8/r9 are already listed as err/val. 162 * r8/r9 are already listed as err/val.
179 */ 163 */
180 164
181#ifdef __LP64__
182#define __put_kernel_asm(stx,x,ptr) \ 165#define __put_kernel_asm(stx,x,ptr) \
183 __asm__ __volatile__ ( \ 166 __asm__ __volatile__ ( \
184 "\n1:\t" stx "\t%2,0(%1)\n" \ 167 "\n1:\t" stx "\t%2,0(%1)\n" \
185 "\t.section __ex_table,\"aw\"\n" \ 168 "\t.section __ex_table,\"aw\"\n" \
186 "\t.dword\t1b,fixup_put_user_skip_1\n" \ 169 "\t" ASM_WORD_INSN \
170 "1b,fixup_put_user_skip_1\n" \
187 "\t.previous" \ 171 "\t.previous" \
188 : "=r"(__pu_err) \ 172 : "=r"(__pu_err) \
189 : "r"(ptr), "r"(x), "0"(__pu_err) \ 173 : "r"(ptr), "r"(x), "0"(__pu_err) \
@@ -193,36 +177,20 @@ struct exception_data {
193 __asm__ __volatile__ ( \ 177 __asm__ __volatile__ ( \
194 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n" \ 178 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n" \
195 "\t.section __ex_table,\"aw\"\n" \ 179 "\t.section __ex_table,\"aw\"\n" \
196 "\t.dword\t1b,fixup_put_user_skip_1\n" \ 180 "\t" ASM_WORD_INSN \
197 "\t.previous" \ 181 "1b,fixup_put_user_skip_1\n" \
198 : "=r"(__pu_err) \ 182 "\t.previous" \
199 : "r"(ptr), "r"(x), "0"(__pu_err) \
200 : "r1")
201#else
202#define __put_kernel_asm(stx,x,ptr) \
203 __asm__ __volatile__ ( \
204 "\n1:\t" stx "\t%2,0(%1)\n" \
205 "\t.section __ex_table,\"aw\"\n" \
206 "\t.word\t1b,fixup_put_user_skip_1\n" \
207 "\t.previous" \
208 : "=r"(__pu_err) \ 183 : "=r"(__pu_err) \
209 : "r"(ptr), "r"(x), "0"(__pu_err) \ 184 : "r"(ptr), "r"(x), "0"(__pu_err) \
210 : "r1") 185 : "r1")
211 186
212#define __put_user_asm(stx,x,ptr) \
213 __asm__ __volatile__ ( \
214 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n" \
215 "\t.section __ex_table,\"aw\"\n" \
216 "\t.word\t1b,fixup_put_user_skip_1\n" \
217 "\t.previous" \
218 : "=r"(__pu_err) \
219 : "r"(ptr), "r"(x), "0"(__pu_err) \
220 : "r1")
221 187
222#define __put_kernel_asm64(__val,ptr) do { \ 188#if !defined(__LP64__)
223 u64 __val64 = (u64)(__val); \ 189
224 u32 hi = (__val64) >> 32; \ 190#define __put_kernel_asm64(__val,ptr) do { \
225 u32 lo = (__val64) & 0xffffffff; \ 191 u64 __val64 = (u64)(__val); \
192 u32 hi = (__val64) >> 32; \
193 u32 lo = (__val64) & 0xffffffff; \
226 __asm__ __volatile__ ( \ 194 __asm__ __volatile__ ( \
227 "\n1:\tstw %2,0(%1)\n" \ 195 "\n1:\tstw %2,0(%1)\n" \
228 "\n2:\tstw %3,4(%1)\n" \ 196 "\n2:\tstw %3,4(%1)\n" \
@@ -235,10 +203,10 @@ struct exception_data {
235 : "r1"); \ 203 : "r1"); \
236} while (0) 204} while (0)
237 205
238#define __put_user_asm64(__val,ptr) do { \ 206#define __put_user_asm64(__val,ptr) do { \
239 u64 __val64 = (u64)__val; \ 207 u64 __val64 = (u64)(__val); \
240 u32 hi = (__val64) >> 32; \ 208 u32 hi = (__val64) >> 32; \
241 u32 lo = (__val64) & 0xffffffff; \ 209 u32 lo = (__val64) & 0xffffffff; \
242 __asm__ __volatile__ ( \ 210 __asm__ __volatile__ ( \
243 "\n1:\tstw %2,0(%%sr3,%1)\n" \ 211 "\n1:\tstw %2,0(%%sr3,%1)\n" \
244 "\n2:\tstw %3,4(%%sr3,%1)\n" \ 212 "\n2:\tstw %3,4(%%sr3,%1)\n" \
@@ -251,7 +219,7 @@ struct exception_data {
251 : "r1"); \ 219 : "r1"); \
252} while (0) 220} while (0)
253 221
254#endif /* !__LP64__ */ 222#endif /* !defined(__LP64__) */
255 223
256 224
257/* 225/*
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 10:00:50 -0500