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-rw-r--r--arch/arm/include/asm/assembler.h12
-rw-r--r--arch/arm/include/asm/futex.h16
-rw-r--r--arch/arm/include/asm/highmem.h15
-rw-r--r--arch/arm/include/asm/kmap_types.h1
-rw-r--r--arch/arm/include/asm/uaccess.h40
-rw-r--r--arch/arm/include/asm/ucontext.h23
-rw-r--r--arch/arm/include/asm/user.h12
7 files changed, 71 insertions, 48 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 00f46d9ce299..6e8f05c8a1c8 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -149,10 +149,10 @@
149 149
150#define USER(x...) \ 150#define USER(x...) \
1519999: x; \ 1519999: x; \
152 .section __ex_table,"a"; \ 152 .pushsection __ex_table,"a"; \
153 .align 3; \ 153 .align 3; \
154 .long 9999b,9001f; \ 154 .long 9999b,9001f; \
155 .previous 155 .popsection
156 156
157/* 157/*
158 * SMP data memory barrier 158 * SMP data memory barrier
@@ -193,10 +193,10 @@
193 .error "Unsupported inc macro argument" 193 .error "Unsupported inc macro argument"
194 .endif 194 .endif
195 195
196 .section __ex_table,"a" 196 .pushsection __ex_table,"a"
197 .align 3 197 .align 3
198 .long 9999b, \abort 198 .long 9999b, \abort
199 .previous 199 .popsection
200 .endm 200 .endm
201 201
202 .macro usracc, instr, reg, ptr, inc, cond, rept, abort 202 .macro usracc, instr, reg, ptr, inc, cond, rept, abort
@@ -234,10 +234,10 @@
234 .error "Unsupported inc macro argument" 234 .error "Unsupported inc macro argument"
235 .endif 235 .endif
236 236
237 .section __ex_table,"a" 237 .pushsection __ex_table,"a"
238 .align 3 238 .align 3
239 .long 9999b, \abort 239 .long 9999b, \abort
240 .previous 240 .popsection
241 .endr 241 .endr
242 .endm 242 .endm
243 243
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index bfcc15929a7f..540a044153a5 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -21,14 +21,14 @@
21 "2: strt %0, [%2]\n" \ 21 "2: strt %0, [%2]\n" \
22 " mov %0, #0\n" \ 22 " mov %0, #0\n" \
23 "3:\n" \ 23 "3:\n" \
24 " .section __ex_table,\"a\"\n" \ 24 " .pushsection __ex_table,\"a\"\n" \
25 " .align 3\n" \ 25 " .align 3\n" \
26 " .long 1b, 4f, 2b, 4f\n" \ 26 " .long 1b, 4f, 2b, 4f\n" \
27 " .previous\n" \ 27 " .popsection\n" \
28 " .section .fixup,\"ax\"\n" \ 28 " .pushsection .fixup,\"ax\"\n" \
29 "4: mov %0, %4\n" \ 29 "4: mov %0, %4\n" \
30 " b 3b\n" \ 30 " b 3b\n" \
31 " .previous" \ 31 " .popsection" \
32 : "=&r" (ret), "=&r" (oldval) \ 32 : "=&r" (ret), "=&r" (oldval) \
33 : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ 33 : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \
34 : "cc", "memory") 34 : "cc", "memory")
@@ -102,14 +102,14 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
102 " it eq @ explicit IT needed for the 2b label\n" 102 " it eq @ explicit IT needed for the 2b label\n"
103 "2: streqt %2, [%3]\n" 103 "2: streqt %2, [%3]\n"
104 "3:\n" 104 "3:\n"
105 " .section __ex_table,\"a\"\n" 105 " .pushsection __ex_table,\"a\"\n"
106 " .align 3\n" 106 " .align 3\n"
107 " .long 1b, 4f, 2b, 4f\n" 107 " .long 1b, 4f, 2b, 4f\n"
108 " .previous\n" 108 " .popsection\n"
109 " .section .fixup,\"ax\"\n" 109 " .pushsection .fixup,\"ax\"\n"
110 "4: mov %0, %4\n" 110 "4: mov %0, %4\n"
111 " b 3b\n" 111 " b 3b\n"
112 " .previous" 112 " .popsection"
113 : "=&r" (val) 113 : "=&r" (val)
114 : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) 114 : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT)
115 : "cc", "memory"); 115 : "cc", "memory");
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 7f36d00600b4..feb988a7ec37 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -11,7 +11,11 @@
11 11
12#define kmap_prot PAGE_KERNEL 12#define kmap_prot PAGE_KERNEL
13 13
14#define flush_cache_kmaps() flush_cache_all() 14#define flush_cache_kmaps() \
15 do { \
16 if (cache_is_vivt()) \
17 flush_cache_all(); \
18 } while (0)
15 19
16extern pte_t *pkmap_page_table; 20extern pte_t *pkmap_page_table;
17 21
@@ -21,11 +25,20 @@ extern void *kmap_high(struct page *page);
21extern void *kmap_high_get(struct page *page); 25extern void *kmap_high_get(struct page *page);
22extern void kunmap_high(struct page *page); 26extern void kunmap_high(struct page *page);
23 27
28extern void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte);
29extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte);
30
31/*
32 * The following functions are already defined by <linux/highmem.h>
33 * when CONFIG_HIGHMEM is not set.
34 */
35#ifdef CONFIG_HIGHMEM
24extern void *kmap(struct page *page); 36extern void *kmap(struct page *page);
25extern void kunmap(struct page *page); 37extern void kunmap(struct page *page);
26extern void *kmap_atomic(struct page *page, enum km_type type); 38extern void *kmap_atomic(struct page *page, enum km_type type);
27extern void kunmap_atomic(void *kvaddr, enum km_type type); 39extern void kunmap_atomic(void *kvaddr, enum km_type type);
28extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type); 40extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
29extern struct page *kmap_atomic_to_page(const void *ptr); 41extern struct page *kmap_atomic_to_page(const void *ptr);
42#endif
30 43
31#endif 44#endif
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index c019949a5189..c4b2ea3fbe42 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -18,6 +18,7 @@ enum km_type {
18 KM_IRQ1, 18 KM_IRQ1,
19 KM_SOFTIRQ0, 19 KM_SOFTIRQ0,
20 KM_SOFTIRQ1, 20 KM_SOFTIRQ1,
21 KM_L1_CACHE,
21 KM_L2_CACHE, 22 KM_L2_CACHE,
22 KM_TYPE_NR 23 KM_TYPE_NR
23}; 24};
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 1d6bd40a4322..33e4a48fe103 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -229,16 +229,16 @@ do { \
229 __asm__ __volatile__( \ 229 __asm__ __volatile__( \
230 "1: ldrbt %1,[%2]\n" \ 230 "1: ldrbt %1,[%2]\n" \
231 "2:\n" \ 231 "2:\n" \
232 " .section .fixup,\"ax\"\n" \ 232 " .pushsection .fixup,\"ax\"\n" \
233 " .align 2\n" \ 233 " .align 2\n" \
234 "3: mov %0, %3\n" \ 234 "3: mov %0, %3\n" \
235 " mov %1, #0\n" \ 235 " mov %1, #0\n" \
236 " b 2b\n" \ 236 " b 2b\n" \
237 " .previous\n" \ 237 " .popsection\n" \
238 " .section __ex_table,\"a\"\n" \ 238 " .pushsection __ex_table,\"a\"\n" \
239 " .align 3\n" \ 239 " .align 3\n" \
240 " .long 1b, 3b\n" \ 240 " .long 1b, 3b\n" \
241 " .previous" \ 241 " .popsection" \
242 : "+r" (err), "=&r" (x) \ 242 : "+r" (err), "=&r" (x) \
243 : "r" (addr), "i" (-EFAULT) \ 243 : "r" (addr), "i" (-EFAULT) \
244 : "cc") 244 : "cc")
@@ -265,16 +265,16 @@ do { \
265 __asm__ __volatile__( \ 265 __asm__ __volatile__( \
266 "1: ldrt %1,[%2]\n" \ 266 "1: ldrt %1,[%2]\n" \
267 "2:\n" \ 267 "2:\n" \
268 " .section .fixup,\"ax\"\n" \ 268 " .pushsection .fixup,\"ax\"\n" \
269 " .align 2\n" \ 269 " .align 2\n" \
270 "3: mov %0, %3\n" \ 270 "3: mov %0, %3\n" \
271 " mov %1, #0\n" \ 271 " mov %1, #0\n" \
272 " b 2b\n" \ 272 " b 2b\n" \
273 " .previous\n" \ 273 " .popsection\n" \
274 " .section __ex_table,\"a\"\n" \ 274 " .pushsection __ex_table,\"a\"\n" \
275 " .align 3\n" \ 275 " .align 3\n" \
276 " .long 1b, 3b\n" \ 276 " .long 1b, 3b\n" \
277 " .previous" \ 277 " .popsection" \
278 : "+r" (err), "=&r" (x) \ 278 : "+r" (err), "=&r" (x) \
279 : "r" (addr), "i" (-EFAULT) \ 279 : "r" (addr), "i" (-EFAULT) \
280 : "cc") 280 : "cc")
@@ -310,15 +310,15 @@ do { \
310 __asm__ __volatile__( \ 310 __asm__ __volatile__( \
311 "1: strbt %1,[%2]\n" \ 311 "1: strbt %1,[%2]\n" \
312 "2:\n" \ 312 "2:\n" \
313 " .section .fixup,\"ax\"\n" \ 313 " .pushsection .fixup,\"ax\"\n" \
314 " .align 2\n" \ 314 " .align 2\n" \
315 "3: mov %0, %3\n" \ 315 "3: mov %0, %3\n" \
316 " b 2b\n" \ 316 " b 2b\n" \
317 " .previous\n" \ 317 " .popsection\n" \
318 " .section __ex_table,\"a\"\n" \ 318 " .pushsection __ex_table,\"a\"\n" \
319 " .align 3\n" \ 319 " .align 3\n" \
320 " .long 1b, 3b\n" \ 320 " .long 1b, 3b\n" \
321 " .previous" \ 321 " .popsection" \
322 : "+r" (err) \ 322 : "+r" (err) \
323 : "r" (x), "r" (__pu_addr), "i" (-EFAULT) \ 323 : "r" (x), "r" (__pu_addr), "i" (-EFAULT) \
324 : "cc") 324 : "cc")
@@ -343,15 +343,15 @@ do { \
343 __asm__ __volatile__( \ 343 __asm__ __volatile__( \
344 "1: strt %1,[%2]\n" \ 344 "1: strt %1,[%2]\n" \
345 "2:\n" \ 345 "2:\n" \
346 " .section .fixup,\"ax\"\n" \ 346 " .pushsection .fixup,\"ax\"\n" \
347 " .align 2\n" \ 347 " .align 2\n" \
348 "3: mov %0, %3\n" \ 348 "3: mov %0, %3\n" \
349 " b 2b\n" \ 349 " b 2b\n" \
350 " .previous\n" \ 350 " .popsection\n" \
351 " .section __ex_table,\"a\"\n" \ 351 " .pushsection __ex_table,\"a\"\n" \
352 " .align 3\n" \ 352 " .align 3\n" \
353 " .long 1b, 3b\n" \ 353 " .long 1b, 3b\n" \
354 " .previous" \ 354 " .popsection" \
355 : "+r" (err) \ 355 : "+r" (err) \
356 : "r" (x), "r" (__pu_addr), "i" (-EFAULT) \ 356 : "r" (x), "r" (__pu_addr), "i" (-EFAULT) \
357 : "cc") 357 : "cc")
@@ -371,16 +371,16 @@ do { \
371 THUMB( "1: strt " __reg_oper1 ", [%1]\n" ) \ 371 THUMB( "1: strt " __reg_oper1 ", [%1]\n" ) \
372 THUMB( "2: strt " __reg_oper0 ", [%1, #4]\n" ) \ 372 THUMB( "2: strt " __reg_oper0 ", [%1, #4]\n" ) \
373 "3:\n" \ 373 "3:\n" \
374 " .section .fixup,\"ax\"\n" \ 374 " .pushsection .fixup,\"ax\"\n" \
375 " .align 2\n" \ 375 " .align 2\n" \
376 "4: mov %0, %3\n" \ 376 "4: mov %0, %3\n" \
377 " b 3b\n" \ 377 " b 3b\n" \
378 " .previous\n" \ 378 " .popsection\n" \
379 " .section __ex_table,\"a\"\n" \ 379 " .pushsection __ex_table,\"a\"\n" \
380 " .align 3\n" \ 380 " .align 3\n" \
381 " .long 1b, 4b\n" \ 381 " .long 1b, 4b\n" \
382 " .long 2b, 4b\n" \ 382 " .long 2b, 4b\n" \
383 " .previous" \ 383 " .popsection" \
384 : "+r" (err), "+r" (__pu_addr) \ 384 : "+r" (err), "+r" (__pu_addr) \
385 : "r" (x), "i" (-EFAULT) \ 385 : "r" (x), "i" (-EFAULT) \
386 : "cc") 386 : "cc")
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index bf65e9f4525d..47f023aa8495 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -59,23 +59,22 @@ struct iwmmxt_sigframe {
59#endif /* CONFIG_IWMMXT */ 59#endif /* CONFIG_IWMMXT */
60 60
61#ifdef CONFIG_VFP 61#ifdef CONFIG_VFP
62#if __LINUX_ARM_ARCH__ < 6
63/* For ARM pre-v6, we use fstmiax and fldmiax. This adds one extra
64 * word after the registers, and a word of padding at the end for
65 * alignment. */
66#define VFP_MAGIC 0x56465001 62#define VFP_MAGIC 0x56465001
67#define VFP_STORAGE_SIZE 152
68#else
69#define VFP_MAGIC 0x56465002
70#define VFP_STORAGE_SIZE 144
71#endif
72 63
73struct vfp_sigframe 64struct vfp_sigframe
74{ 65{
75 unsigned long magic; 66 unsigned long magic;
76 unsigned long size; 67 unsigned long size;
77 union vfp_state storage; 68 struct user_vfp ufp;
78}; 69 struct user_vfp_exc ufp_exc;
70} __attribute__((__aligned__(8)));
71
72/*
73 * 8 byte for magic and size, 264 byte for ufp, 12 bytes for ufp_exc,
74 * 4 bytes padding.
75 */
76#define VFP_STORAGE_SIZE sizeof(struct vfp_sigframe)
77
79#endif /* CONFIG_VFP */ 78#endif /* CONFIG_VFP */
80 79
81/* 80/*
@@ -91,7 +90,7 @@ struct aux_sigframe {
91#ifdef CONFIG_IWMMXT 90#ifdef CONFIG_IWMMXT
92 struct iwmmxt_sigframe iwmmxt; 91 struct iwmmxt_sigframe iwmmxt;
93#endif 92#endif
94#if 0 && defined CONFIG_VFP /* Not yet saved. */ 93#ifdef CONFIG_VFP
95 struct vfp_sigframe vfp; 94 struct vfp_sigframe vfp;
96#endif 95#endif
97 /* Something that isn't a valid magic number for any coprocessor. */ 96 /* Something that isn't a valid magic number for any coprocessor. */
diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h
index df95e050f9dd..05ac4b06876a 100644
--- a/arch/arm/include/asm/user.h
+++ b/arch/arm/include/asm/user.h
@@ -83,11 +83,21 @@ struct user{
83 83
84/* 84/*
85 * User specific VFP registers. If only VFPv2 is present, registers 16 to 31 85 * User specific VFP registers. If only VFPv2 is present, registers 16 to 31
86 * are ignored by the ptrace system call. 86 * are ignored by the ptrace system call and the signal handler.
87 */ 87 */
88struct user_vfp { 88struct user_vfp {
89 unsigned long long fpregs[32]; 89 unsigned long long fpregs[32];
90 unsigned long fpscr; 90 unsigned long fpscr;
91}; 91};
92 92
93/*
94 * VFP exception registers exposed to user space during signal delivery.
95 * Fields not relavant to the current VFP architecture are ignored.
96 */
97struct user_vfp_exc {
98 unsigned long fpexc;
99 unsigned long fpinst;
100 unsigned long fpinst2;
101};
102
93#endif /* _ARM_USER_H */ 103#endif /* _ARM_USER_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-21 10:42:43 -0500