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-rw-r--r--arch/sparc64/kernel/head.S7
-rw-r--r--arch/sparc64/kernel/ptrace.c14
-rw-r--r--arch/sparc64/kernel/setup.c21
-rw-r--r--arch/sparc64/kernel/sys32.S170
-rw-r--r--arch/sparc64/kernel/traps.c60
-rw-r--r--arch/sparc64/kernel/una_asm.S65
-rw-r--r--arch/sparc64/kernel/unaligned.c45
7 files changed, 187 insertions, 195 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index ecc748fb9ad7..89406f9649a9 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -540,8 +540,11 @@ bootup_user_stack_end:
540prom_tba: .xword 0 540prom_tba: .xword 0
541tlb_type: .word 0 /* Must NOT end up in BSS */ 541tlb_type: .word 0 /* Must NOT end up in BSS */
542 .section ".fixup",#alloc,#execinstr 542 .section ".fixup",#alloc,#execinstr
543 .globl __ret_efault 543
544 .globl __ret_efault, __retl_efault
544__ret_efault: 545__ret_efault:
545 ret 546 ret
546 restore %g0, -EFAULT, %o0 547 restore %g0, -EFAULT, %o0
547 548__retl_efault:
549 retl
550 mov -EFAULT, %o0
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 5efbff90d668..774ecbb8a031 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -31,6 +31,7 @@
31#include <asm/visasm.h> 31#include <asm/visasm.h>
32#include <asm/spitfire.h> 32#include <asm/spitfire.h>
33#include <asm/page.h> 33#include <asm/page.h>
34#include <asm/cpudata.h>
34 35
35/* Returning from ptrace is a bit tricky because the syscall return 36/* Returning from ptrace is a bit tricky because the syscall return
36 * low level code assumes any value returned which is negative and 37 * low level code assumes any value returned which is negative and
@@ -132,12 +133,16 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
132 if ((uaddr ^ (unsigned long) kaddr) & (1UL << 13)) { 133 if ((uaddr ^ (unsigned long) kaddr) & (1UL << 13)) {
133 unsigned long start = __pa(kaddr); 134 unsigned long start = __pa(kaddr);
134 unsigned long end = start + len; 135 unsigned long end = start + len;
136 unsigned long dcache_line_size;
137
138 dcache_line_size = local_cpu_data().dcache_line_size;
135 139
136 if (tlb_type == spitfire) { 140 if (tlb_type == spitfire) {
137 for (; start < end; start += 32) 141 for (; start < end; start += dcache_line_size)
138 spitfire_put_dcache_tag(start & 0x3fe0, 0x0); 142 spitfire_put_dcache_tag(start & 0x3fe0, 0x0);
139 } else { 143 } else {
140 for (; start < end; start += 32) 144 start &= ~(dcache_line_size - 1);
145 for (; start < end; start += dcache_line_size)
141 __asm__ __volatile__( 146 __asm__ __volatile__(
142 "stxa %%g0, [%0] %1\n\t" 147 "stxa %%g0, [%0] %1\n\t"
143 "membar #Sync" 148 "membar #Sync"
@@ -150,8 +155,11 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
150 if (write && tlb_type == spitfire) { 155 if (write && tlb_type == spitfire) {
151 unsigned long start = (unsigned long) kaddr; 156 unsigned long start = (unsigned long) kaddr;
152 unsigned long end = start + len; 157 unsigned long end = start + len;
158 unsigned long icache_line_size;
159
160 icache_line_size = local_cpu_data().icache_line_size;
153 161
154 for (; start < end; start += 32) 162 for (; start < end; start += icache_line_size)
155 flushi(start); 163 flushi(start);
156 } 164 }
157} 165}
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 8e8baf2354df..4c9c8f241748 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -464,8 +464,6 @@ static void __init boot_flags_init(char *commands)
464 } 464 }
465} 465}
466 466
467extern int prom_probe_memory(void);
468extern unsigned long start, end;
469extern void panic_setup(char *, int *); 467extern void panic_setup(char *, int *);
470 468
471extern unsigned short root_flags; 469extern unsigned short root_flags;
@@ -492,12 +490,8 @@ void register_prom_callbacks(void)
492 "' linux-.soft2 to .soft2"); 490 "' linux-.soft2 to .soft2");
493} 491}
494 492
495extern void paging_init(void);
496
497void __init setup_arch(char **cmdline_p) 493void __init setup_arch(char **cmdline_p)
498{ 494{
499 int i;
500
501 /* Initialize PROM console and command line. */ 495 /* Initialize PROM console and command line. */
502 *cmdline_p = prom_getbootargs(); 496 *cmdline_p = prom_getbootargs();
503 strcpy(saved_command_line, *cmdline_p); 497 strcpy(saved_command_line, *cmdline_p);
@@ -516,21 +510,6 @@ void __init setup_arch(char **cmdline_p)
516 boot_flags_init(*cmdline_p); 510 boot_flags_init(*cmdline_p);
517 511
518 idprom_init(); 512 idprom_init();
519 (void) prom_probe_memory();
520
521 phys_base = 0xffffffffffffffffUL;
522 for (i = 0; sp_banks[i].num_bytes != 0; i++) {
523 unsigned long top;
524
525 if (sp_banks[i].base_addr < phys_base)
526 phys_base = sp_banks[i].base_addr;
527 top = sp_banks[i].base_addr +
528 sp_banks[i].num_bytes;
529 }
530 pfn_base = phys_base >> PAGE_SHIFT;
531
532 kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
533 kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
534 513
535 if (!root_flags) 514 if (!root_flags)
536 root_mountflags &= ~MS_RDONLY; 515 root_mountflags &= ~MS_RDONLY;
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
index 5f9e4fae612e..9cd272ac3ac1 100644
--- a/arch/sparc64/kernel/sys32.S
+++ b/arch/sparc64/kernel/sys32.S
@@ -157,173 +157,199 @@ sys32_socketcall: /* %o0=call, %o1=args */
157 or %g2, %lo(__socketcall_table_begin), %g2 157 or %g2, %lo(__socketcall_table_begin), %g2
158 jmpl %g2 + %o0, %g0 158 jmpl %g2 + %o0, %g0
159 nop 159 nop
160do_einval:
161 retl
162 mov -EINVAL, %o0
160 163
161 /* Each entry is exactly 32 bytes. */
162 .align 32 164 .align 32
163__socketcall_table_begin: 165__socketcall_table_begin:
166
167 /* Each entry is exactly 32 bytes. */
164do_sys_socket: /* sys_socket(int, int, int) */ 168do_sys_socket: /* sys_socket(int, int, int) */
165 ldswa [%o1 + 0x0] %asi, %o0 1691: ldswa [%o1 + 0x0] %asi, %o0
166 sethi %hi(sys_socket), %g1 170 sethi %hi(sys_socket), %g1
167 ldswa [%o1 + 0x8] %asi, %o2 1712: ldswa [%o1 + 0x8] %asi, %o2
168 jmpl %g1 + %lo(sys_socket), %g0 172 jmpl %g1 + %lo(sys_socket), %g0
169 ldswa [%o1 + 0x4] %asi, %o1 1733: ldswa [%o1 + 0x4] %asi, %o1
170 nop 174 nop
171 nop 175 nop
172 nop 176 nop
173do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */ 177do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
174 ldswa [%o1 + 0x0] %asi, %o0 1784: ldswa [%o1 + 0x0] %asi, %o0
175 sethi %hi(sys_bind), %g1 179 sethi %hi(sys_bind), %g1
176 ldswa [%o1 + 0x8] %asi, %o2 1805: ldswa [%o1 + 0x8] %asi, %o2
177 jmpl %g1 + %lo(sys_bind), %g0 181 jmpl %g1 + %lo(sys_bind), %g0
178 lduwa [%o1 + 0x4] %asi, %o1 1826: lduwa [%o1 + 0x4] %asi, %o1
179 nop 183 nop
180 nop 184 nop
181 nop 185 nop
182do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */ 186do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
183 ldswa [%o1 + 0x0] %asi, %o0 1877: ldswa [%o1 + 0x0] %asi, %o0
184 sethi %hi(sys_connect), %g1 188 sethi %hi(sys_connect), %g1
185 ldswa [%o1 + 0x8] %asi, %o2 1898: ldswa [%o1 + 0x8] %asi, %o2
186 jmpl %g1 + %lo(sys_connect), %g0 190 jmpl %g1 + %lo(sys_connect), %g0
187 lduwa [%o1 + 0x4] %asi, %o1 1919: lduwa [%o1 + 0x4] %asi, %o1
188 nop 192 nop
189 nop 193 nop
190 nop 194 nop
191do_sys_listen: /* sys_listen(int, int) */ 195do_sys_listen: /* sys_listen(int, int) */
192 ldswa [%o1 + 0x0] %asi, %o0 19610: ldswa [%o1 + 0x0] %asi, %o0
193 sethi %hi(sys_listen), %g1 197 sethi %hi(sys_listen), %g1
194 jmpl %g1 + %lo(sys_listen), %g0 198 jmpl %g1 + %lo(sys_listen), %g0
195 ldswa [%o1 + 0x4] %asi, %o1 19911: ldswa [%o1 + 0x4] %asi, %o1
196 nop 200 nop
197 nop 201 nop
198 nop 202 nop
199 nop 203 nop
200do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */ 204do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
201 ldswa [%o1 + 0x0] %asi, %o0 20512: ldswa [%o1 + 0x0] %asi, %o0
202 sethi %hi(sys_accept), %g1 206 sethi %hi(sys_accept), %g1
203 lduwa [%o1 + 0x8] %asi, %o2 20713: lduwa [%o1 + 0x8] %asi, %o2
204 jmpl %g1 + %lo(sys_accept), %g0 208 jmpl %g1 + %lo(sys_accept), %g0
205 lduwa [%o1 + 0x4] %asi, %o1 20914: lduwa [%o1 + 0x4] %asi, %o1
206 nop 210 nop
207 nop 211 nop
208 nop 212 nop
209do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */ 213do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
210 ldswa [%o1 + 0x0] %asi, %o0 21415: ldswa [%o1 + 0x0] %asi, %o0
211 sethi %hi(sys_getsockname), %g1 215 sethi %hi(sys_getsockname), %g1
212 lduwa [%o1 + 0x8] %asi, %o2 21616: lduwa [%o1 + 0x8] %asi, %o2
213 jmpl %g1 + %lo(sys_getsockname), %g0 217 jmpl %g1 + %lo(sys_getsockname), %g0
214 lduwa [%o1 + 0x4] %asi, %o1 21817: lduwa [%o1 + 0x4] %asi, %o1
215 nop 219 nop
216 nop 220 nop
217 nop 221 nop
218do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */ 222do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
219 ldswa [%o1 + 0x0] %asi, %o0 22318: ldswa [%o1 + 0x0] %asi, %o0
220 sethi %hi(sys_getpeername), %g1 224 sethi %hi(sys_getpeername), %g1
221 lduwa [%o1 + 0x8] %asi, %o2 22519: lduwa [%o1 + 0x8] %asi, %o2
222 jmpl %g1 + %lo(sys_getpeername), %g0 226 jmpl %g1 + %lo(sys_getpeername), %g0
223 lduwa [%o1 + 0x4] %asi, %o1 22720: lduwa [%o1 + 0x4] %asi, %o1
224 nop 228 nop
225 nop 229 nop
226 nop 230 nop
227do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */ 231do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
228 ldswa [%o1 + 0x0] %asi, %o0 23221: ldswa [%o1 + 0x0] %asi, %o0
229 sethi %hi(sys_socketpair), %g1 233 sethi %hi(sys_socketpair), %g1
230 ldswa [%o1 + 0x8] %asi, %o2 23422: ldswa [%o1 + 0x8] %asi, %o2
231 lduwa [%o1 + 0xc] %asi, %o3 23523: lduwa [%o1 + 0xc] %asi, %o3
232 jmpl %g1 + %lo(sys_socketpair), %g0 236 jmpl %g1 + %lo(sys_socketpair), %g0
233 ldswa [%o1 + 0x4] %asi, %o1 23724: ldswa [%o1 + 0x4] %asi, %o1
234 nop 238 nop
235 nop 239 nop
236do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */ 240do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
237 ldswa [%o1 + 0x0] %asi, %o0 24125: ldswa [%o1 + 0x0] %asi, %o0
238 sethi %hi(sys_send), %g1 242 sethi %hi(sys_send), %g1
239 lduwa [%o1 + 0x8] %asi, %o2 24326: lduwa [%o1 + 0x8] %asi, %o2
240 lduwa [%o1 + 0xc] %asi, %o3 24427: lduwa [%o1 + 0xc] %asi, %o3
241 jmpl %g1 + %lo(sys_send), %g0 245 jmpl %g1 + %lo(sys_send), %g0
242 lduwa [%o1 + 0x4] %asi, %o1 24628: lduwa [%o1 + 0x4] %asi, %o1
243 nop 247 nop
244 nop 248 nop
245do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */ 249do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
246 ldswa [%o1 + 0x0] %asi, %o0 25029: ldswa [%o1 + 0x0] %asi, %o0
247 sethi %hi(sys_recv), %g1 251 sethi %hi(sys_recv), %g1
248 lduwa [%o1 + 0x8] %asi, %o2 25230: lduwa [%o1 + 0x8] %asi, %o2
249 lduwa [%o1 + 0xc] %asi, %o3 25331: lduwa [%o1 + 0xc] %asi, %o3
250 jmpl %g1 + %lo(sys_recv), %g0 254 jmpl %g1 + %lo(sys_recv), %g0
251 lduwa [%o1 + 0x4] %asi, %o1 25532: lduwa [%o1 + 0x4] %asi, %o1
252 nop 256 nop
253 nop 257 nop
254do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */ 258do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
255 ldswa [%o1 + 0x0] %asi, %o0 25933: ldswa [%o1 + 0x0] %asi, %o0
256 sethi %hi(sys_sendto), %g1 260 sethi %hi(sys_sendto), %g1
257 lduwa [%o1 + 0x8] %asi, %o2 26134: lduwa [%o1 + 0x8] %asi, %o2
258 lduwa [%o1 + 0xc] %asi, %o3 26235: lduwa [%o1 + 0xc] %asi, %o3
259 lduwa [%o1 + 0x10] %asi, %o4 26336: lduwa [%o1 + 0x10] %asi, %o4
260 ldswa [%o1 + 0x14] %asi, %o5 26437: ldswa [%o1 + 0x14] %asi, %o5
261 jmpl %g1 + %lo(sys_sendto), %g0 265 jmpl %g1 + %lo(sys_sendto), %g0
262 lduwa [%o1 + 0x4] %asi, %o1 26638: lduwa [%o1 + 0x4] %asi, %o1
263do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */ 267do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
264 ldswa [%o1 + 0x0] %asi, %o0 26839: ldswa [%o1 + 0x0] %asi, %o0
265 sethi %hi(sys_recvfrom), %g1 269 sethi %hi(sys_recvfrom), %g1
266 lduwa [%o1 + 0x8] %asi, %o2 27040: lduwa [%o1 + 0x8] %asi, %o2
267 lduwa [%o1 + 0xc] %asi, %o3 27141: lduwa [%o1 + 0xc] %asi, %o3
268 lduwa [%o1 + 0x10] %asi, %o4 27242: lduwa [%o1 + 0x10] %asi, %o4
269 lduwa [%o1 + 0x14] %asi, %o5 27343: lduwa [%o1 + 0x14] %asi, %o5
270 jmpl %g1 + %lo(sys_recvfrom), %g0 274 jmpl %g1 + %lo(sys_recvfrom), %g0
271 lduwa [%o1 + 0x4] %asi, %o1 27544: lduwa [%o1 + 0x4] %asi, %o1
272do_sys_shutdown: /* sys_shutdown(int, int) */ 276do_sys_shutdown: /* sys_shutdown(int, int) */
273 ldswa [%o1 + 0x0] %asi, %o0 27745: ldswa [%o1 + 0x0] %asi, %o0
274 sethi %hi(sys_shutdown), %g1 278 sethi %hi(sys_shutdown), %g1
275 jmpl %g1 + %lo(sys_shutdown), %g0 279 jmpl %g1 + %lo(sys_shutdown), %g0
276 ldswa [%o1 + 0x4] %asi, %o1 28046: ldswa [%o1 + 0x4] %asi, %o1
277 nop 281 nop
278 nop 282 nop
279 nop 283 nop
280 nop 284 nop
281do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */ 285do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
282 ldswa [%o1 + 0x0] %asi, %o0 28647: ldswa [%o1 + 0x0] %asi, %o0
283 sethi %hi(compat_sys_setsockopt), %g1 287 sethi %hi(compat_sys_setsockopt), %g1
284 ldswa [%o1 + 0x8] %asi, %o2 28848: ldswa [%o1 + 0x8] %asi, %o2
285 lduwa [%o1 + 0xc] %asi, %o3 28949: lduwa [%o1 + 0xc] %asi, %o3
286 ldswa [%o1 + 0x10] %asi, %o4 29050: ldswa [%o1 + 0x10] %asi, %o4
287 jmpl %g1 + %lo(compat_sys_setsockopt), %g0 291 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
288 ldswa [%o1 + 0x4] %asi, %o1 29251: ldswa [%o1 + 0x4] %asi, %o1
289 nop 293 nop
290do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */ 294do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
291 ldswa [%o1 + 0x0] %asi, %o0 29552: ldswa [%o1 + 0x0] %asi, %o0
292 sethi %hi(compat_sys_getsockopt), %g1 296 sethi %hi(compat_sys_getsockopt), %g1
293 ldswa [%o1 + 0x8] %asi, %o2 29753: ldswa [%o1 + 0x8] %asi, %o2
294 lduwa [%o1 + 0xc] %asi, %o3 29854: lduwa [%o1 + 0xc] %asi, %o3
295 lduwa [%o1 + 0x10] %asi, %o4 29955: lduwa [%o1 + 0x10] %asi, %o4
296 jmpl %g1 + %lo(compat_sys_getsockopt), %g0 300 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
297 ldswa [%o1 + 0x4] %asi, %o1 30156: ldswa [%o1 + 0x4] %asi, %o1
298 nop 302 nop
299do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */ 303do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
300 ldswa [%o1 + 0x0] %asi, %o0 30457: ldswa [%o1 + 0x0] %asi, %o0
301 sethi %hi(compat_sys_sendmsg), %g1 305 sethi %hi(compat_sys_sendmsg), %g1
302 lduwa [%o1 + 0x8] %asi, %o2 30658: lduwa [%o1 + 0x8] %asi, %o2
303 jmpl %g1 + %lo(compat_sys_sendmsg), %g0 307 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
304 lduwa [%o1 + 0x4] %asi, %o1 30859: lduwa [%o1 + 0x4] %asi, %o1
305 nop 309 nop
306 nop 310 nop
307 nop 311 nop
308do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */ 312do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
309 ldswa [%o1 + 0x0] %asi, %o0 31360: ldswa [%o1 + 0x0] %asi, %o0
310 sethi %hi(compat_sys_recvmsg), %g1 314 sethi %hi(compat_sys_recvmsg), %g1
311 lduwa [%o1 + 0x8] %asi, %o2 31561: lduwa [%o1 + 0x8] %asi, %o2
312 jmpl %g1 + %lo(compat_sys_recvmsg), %g0 316 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
313 lduwa [%o1 + 0x4] %asi, %o1 31762: lduwa [%o1 + 0x4] %asi, %o1
314 nop 318 nop
315 nop 319 nop
316 nop 320 nop
317__socketcall_table_end:
318
319do_einval:
320 retl
321 mov -EINVAL, %o0
322do_efault:
323 retl
324 mov -EFAULT, %o0
325 321
326 .section __ex_table 322 .section __ex_table
327 .align 4 323 .align 4
328 .word __socketcall_table_begin, 0, __socketcall_table_end, do_efault 324 .word 1b, __retl_efault, 2b, __retl_efault
325 .word 3b, __retl_efault, 4b, __retl_efault
326 .word 5b, __retl_efault, 6b, __retl_efault
327 .word 7b, __retl_efault, 8b, __retl_efault
328 .word 9b, __retl_efault, 10b, __retl_efault
329 .word 11b, __retl_efault, 12b, __retl_efault
330 .word 13b, __retl_efault, 14b, __retl_efault
331 .word 15b, __retl_efault, 16b, __retl_efault
332 .word 17b, __retl_efault, 18b, __retl_efault
333 .word 19b, __retl_efault, 20b, __retl_efault
334 .word 21b, __retl_efault, 22b, __retl_efault
335 .word 23b, __retl_efault, 24b, __retl_efault
336 .word 25b, __retl_efault, 26b, __retl_efault
337 .word 27b, __retl_efault, 28b, __retl_efault
338 .word 29b, __retl_efault, 30b, __retl_efault
339 .word 31b, __retl_efault, 32b, __retl_efault
340 .word 33b, __retl_efault, 34b, __retl_efault
341 .word 35b, __retl_efault, 36b, __retl_efault
342 .word 37b, __retl_efault, 38b, __retl_efault
343 .word 39b, __retl_efault, 40b, __retl_efault
344 .word 41b, __retl_efault, 42b, __retl_efault
345 .word 43b, __retl_efault, 44b, __retl_efault
346 .word 45b, __retl_efault, 46b, __retl_efault
347 .word 47b, __retl_efault, 48b, __retl_efault
348 .word 49b, __retl_efault, 50b, __retl_efault
349 .word 51b, __retl_efault, 52b, __retl_efault
350 .word 53b, __retl_efault, 54b, __retl_efault
351 .word 55b, __retl_efault, 56b, __retl_efault
352 .word 57b, __retl_efault, 58b, __retl_efault
353 .word 59b, __retl_efault, 60b, __retl_efault
354 .word 61b, __retl_efault, 62b, __retl_efault
329 .previous 355 .previous
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index f8e7005fede9..5570e7bb22bb 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -189,19 +189,18 @@ void spitfire_data_access_exception(struct pt_regs *regs, unsigned long sfsr, un
189 189
190 if (regs->tstate & TSTATE_PRIV) { 190 if (regs->tstate & TSTATE_PRIV) {
191 /* Test if this comes from uaccess places. */ 191 /* Test if this comes from uaccess places. */
192 unsigned long fixup; 192 const struct exception_table_entry *entry;
193 unsigned long g2 = regs->u_regs[UREG_G2];
194 193
195 if ((fixup = search_extables_range(regs->tpc, &g2))) { 194 entry = search_exception_tables(regs->tpc);
196 /* Ouch, somebody is trying ugly VM hole tricks on us... */ 195 if (entry) {
196 /* Ouch, somebody is trying VM hole tricks on us... */
197#ifdef DEBUG_EXCEPTIONS 197#ifdef DEBUG_EXCEPTIONS
198 printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc); 198 printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc);
199 printk("EX_TABLE: insn<%016lx> fixup<%016lx> " 199 printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n",
200 "g2<%016lx>\n", regs->tpc, fixup, g2); 200 regs->tpc, entry->fixup);
201#endif 201#endif
202 regs->tpc = fixup; 202 regs->tpc = entry->fixup;
203 regs->tnpc = regs->tpc + 4; 203 regs->tnpc = regs->tpc + 4;
204 regs->u_regs[UREG_G2] = g2;
205 return; 204 return;
206 } 205 }
207 /* Shit... */ 206 /* Shit... */
@@ -758,26 +757,12 @@ void __init cheetah_ecache_flush_init(void)
758 ecache_flush_size = (2 * largest_size); 757 ecache_flush_size = (2 * largest_size);
759 ecache_flush_linesize = smallest_linesize; 758 ecache_flush_linesize = smallest_linesize;
760 759
761 /* Discover a physically contiguous chunk of physical 760 ecache_flush_physbase = find_ecache_flush_span(ecache_flush_size);
762 * memory in 'sp_banks' of size ecache_flush_size calculated
763 * above. Store the physical base of this area at
764 * ecache_flush_physbase.
765 */
766 for (node = 0; ; node++) {
767 if (sp_banks[node].num_bytes == 0)
768 break;
769 if (sp_banks[node].num_bytes >= ecache_flush_size) {
770 ecache_flush_physbase = sp_banks[node].base_addr;
771 break;
772 }
773 }
774 761
775 /* Note: Zero would be a valid value of ecache_flush_physbase so 762 if (ecache_flush_physbase == ~0UL) {
776 * don't use that as the success test. :-)
777 */
778 if (sp_banks[node].num_bytes == 0) {
779 prom_printf("cheetah_ecache_flush_init: Cannot find %d byte " 763 prom_printf("cheetah_ecache_flush_init: Cannot find %d byte "
780 "contiguous physical memory.\n", ecache_flush_size); 764 "contiguous physical memory.\n",
765 ecache_flush_size);
781 prom_halt(); 766 prom_halt();
782 } 767 }
783 768
@@ -1346,16 +1331,12 @@ static int cheetah_fix_ce(unsigned long physaddr)
1346/* Return non-zero if PADDR is a valid physical memory address. */ 1331/* Return non-zero if PADDR is a valid physical memory address. */
1347static int cheetah_check_main_memory(unsigned long paddr) 1332static int cheetah_check_main_memory(unsigned long paddr)
1348{ 1333{
1349 int i; 1334 unsigned long vaddr = PAGE_OFFSET + paddr;
1350 1335
1351 for (i = 0; ; i++) { 1336 if (vaddr > (unsigned long) high_memory)
1352 if (sp_banks[i].num_bytes == 0) 1337 return 0;
1353 break; 1338
1354 if (paddr >= sp_banks[i].base_addr && 1339 return kern_addr_valid(vaddr);
1355 paddr < (sp_banks[i].base_addr + sp_banks[i].num_bytes))
1356 return 1;
1357 }
1358 return 0;
1359} 1340}
1360 1341
1361void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar) 1342void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar)
@@ -1610,10 +1591,10 @@ void cheetah_deferred_handler(struct pt_regs *regs, unsigned long afsr, unsigned
1610 /* OK, usermode access. */ 1591 /* OK, usermode access. */
1611 recoverable = 1; 1592 recoverable = 1;
1612 } else { 1593 } else {
1613 unsigned long g2 = regs->u_regs[UREG_G2]; 1594 const struct exception_table_entry *entry;
1614 unsigned long fixup = search_extables_range(regs->tpc, &g2);
1615 1595
1616 if (fixup != 0UL) { 1596 entry = search_exception_tables(regs->tpc);
1597 if (entry) {
1617 /* OK, kernel access to userspace. */ 1598 /* OK, kernel access to userspace. */
1618 recoverable = 1; 1599 recoverable = 1;
1619 1600
@@ -1632,9 +1613,8 @@ void cheetah_deferred_handler(struct pt_regs *regs, unsigned long afsr, unsigned
1632 * recoverable condition. 1613 * recoverable condition.
1633 */ 1614 */
1634 if (recoverable) { 1615 if (recoverable) {
1635 regs->tpc = fixup; 1616 regs->tpc = entry->fixup;
1636 regs->tnpc = regs->tpc + 4; 1617 regs->tnpc = regs->tpc + 4;
1637 regs->u_regs[UREG_G2] = g2;
1638 } 1618 }
1639 } 1619 }
1640 } 1620 }
diff --git a/arch/sparc64/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S
index da48400bcc95..1f5b5b708ce7 100644
--- a/arch/sparc64/kernel/una_asm.S
+++ b/arch/sparc64/kernel/una_asm.S
@@ -6,13 +6,6 @@
6 6
7 .text 7 .text
8 8
9kernel_unaligned_trap_fault:
10 call kernel_mna_trap_fault
11 nop
12 retl
13 nop
14 .size kern_unaligned_trap_fault, .-kern_unaligned_trap_fault
15
16 .globl __do_int_store 9 .globl __do_int_store
17__do_int_store: 10__do_int_store:
18 rd %asi, %o4 11 rd %asi, %o4
@@ -51,24 +44,24 @@ __do_int_store:
510: 440:
52 wr %o4, 0x0, %asi 45 wr %o4, 0x0, %asi
53 retl 46 retl
54 nop 47 mov 0, %o0
55 .size __do_int_store, .-__do_int_store 48 .size __do_int_store, .-__do_int_store
56 49
57 .section __ex_table 50 .section __ex_table
58 .word 4b, kernel_unaligned_trap_fault 51 .word 4b, __retl_efault
59 .word 5b, kernel_unaligned_trap_fault 52 .word 5b, __retl_efault
60 .word 6b, kernel_unaligned_trap_fault 53 .word 6b, __retl_efault
61 .word 7b, kernel_unaligned_trap_fault 54 .word 7b, __retl_efault
62 .word 8b, kernel_unaligned_trap_fault 55 .word 8b, __retl_efault
63 .word 9b, kernel_unaligned_trap_fault 56 .word 9b, __retl_efault
64 .word 10b, kernel_unaligned_trap_fault 57 .word 10b, __retl_efault
65 .word 11b, kernel_unaligned_trap_fault 58 .word 11b, __retl_efault
66 .word 12b, kernel_unaligned_trap_fault 59 .word 12b, __retl_efault
67 .word 13b, kernel_unaligned_trap_fault 60 .word 13b, __retl_efault
68 .word 14b, kernel_unaligned_trap_fault 61 .word 14b, __retl_efault
69 .word 15b, kernel_unaligned_trap_fault 62 .word 15b, __retl_efault
70 .word 16b, kernel_unaligned_trap_fault 63 .word 16b, __retl_efault
71 .word 17b, kernel_unaligned_trap_fault 64 .word 17b, __retl_efault
72 .previous 65 .previous
73 66
74 .globl do_int_load 67 .globl do_int_load
@@ -133,21 +126,21 @@ do_int_load:
1330: 1260:
134 wr %o5, 0x0, %asi 127 wr %o5, 0x0, %asi
135 retl 128 retl
136 nop 129 mov 0, %o0
137 .size __do_int_load, .-__do_int_load 130 .size __do_int_load, .-__do_int_load
138 131
139 .section __ex_table 132 .section __ex_table
140 .word 4b, kernel_unaligned_trap_fault 133 .word 4b, __retl_efault
141 .word 5b, kernel_unaligned_trap_fault 134 .word 5b, __retl_efault
142 .word 6b, kernel_unaligned_trap_fault 135 .word 6b, __retl_efault
143 .word 7b, kernel_unaligned_trap_fault 136 .word 7b, __retl_efault
144 .word 8b, kernel_unaligned_trap_fault 137 .word 8b, __retl_efault
145 .word 9b, kernel_unaligned_trap_fault 138 .word 9b, __retl_efault
146 .word 10b, kernel_unaligned_trap_fault 139 .word 10b, __retl_efault
147 .word 11b, kernel_unaligned_trap_fault 140 .word 11b, __retl_efault
148 .word 12b, kernel_unaligned_trap_fault 141 .word 12b, __retl_efault
149 .word 13b, kernel_unaligned_trap_fault 142 .word 13b, __retl_efault
150 .word 14b, kernel_unaligned_trap_fault 143 .word 14b, __retl_efault
151 .word 15b, kernel_unaligned_trap_fault 144 .word 15b, __retl_efault
152 .word 16b, kernel_unaligned_trap_fault 145 .word 16b, __retl_efault
153 .previous 146 .previous
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index 02af08ffec8f..70faf630603b 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -180,14 +180,14 @@ static void __attribute_used__ unaligned_panic(char *str, struct pt_regs *regs)
180 die_if_kernel(str, regs); 180 die_if_kernel(str, regs);
181} 181}
182 182
183extern void do_int_load(unsigned long *dest_reg, int size, 183extern int do_int_load(unsigned long *dest_reg, int size,
184 unsigned long *saddr, int is_signed, int asi); 184 unsigned long *saddr, int is_signed, int asi);
185 185
186extern void __do_int_store(unsigned long *dst_addr, int size, 186extern int __do_int_store(unsigned long *dst_addr, int size,
187 unsigned long src_val, int asi); 187 unsigned long src_val, int asi);
188 188
189static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr, 189static inline int do_int_store(int reg_num, int size, unsigned long *dst_addr,
190 struct pt_regs *regs, int asi, int orig_asi) 190 struct pt_regs *regs, int asi, int orig_asi)
191{ 191{
192 unsigned long zero = 0; 192 unsigned long zero = 0;
193 unsigned long *src_val_p = &zero; 193 unsigned long *src_val_p = &zero;
@@ -219,7 +219,7 @@ static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr,
219 break; 219 break;
220 }; 220 };
221 } 221 }
222 __do_int_store(dst_addr, size, src_val, asi); 222 return __do_int_store(dst_addr, size, src_val, asi);
223} 223}
224 224
225static inline void advance(struct pt_regs *regs) 225static inline void advance(struct pt_regs *regs)
@@ -242,14 +242,14 @@ static inline int ok_for_kernel(unsigned int insn)
242 return !floating_point_load_or_store_p(insn); 242 return !floating_point_load_or_store_p(insn);
243} 243}
244 244
245void kernel_mna_trap_fault(void) 245static void kernel_mna_trap_fault(void)
246{ 246{
247 struct pt_regs *regs = current_thread_info()->kern_una_regs; 247 struct pt_regs *regs = current_thread_info()->kern_una_regs;
248 unsigned int insn = current_thread_info()->kern_una_insn; 248 unsigned int insn = current_thread_info()->kern_una_insn;
249 unsigned long g2 = regs->u_regs[UREG_G2]; 249 const struct exception_table_entry *entry;
250 unsigned long fixup = search_extables_range(regs->tpc, &g2);
251 250
252 if (!fixup) { 251 entry = search_exception_tables(regs->tpc);
252 if (!entry) {
253 unsigned long address; 253 unsigned long address;
254 254
255 address = compute_effective_address(regs, insn, 255 address = compute_effective_address(regs, insn,
@@ -270,9 +270,8 @@ void kernel_mna_trap_fault(void)
270 die_if_kernel("Oops", regs); 270 die_if_kernel("Oops", regs);
271 /* Not reached */ 271 /* Not reached */
272 } 272 }
273 regs->tpc = fixup; 273 regs->tpc = entry->fixup;
274 regs->tnpc = regs->tpc + 4; 274 regs->tnpc = regs->tpc + 4;
275 regs->u_regs [UREG_G2] = g2;
276 275
277 regs->tstate &= ~TSTATE_ASI; 276 regs->tstate &= ~TSTATE_ASI;
278 regs->tstate |= (ASI_AIUS << 24UL); 277 regs->tstate |= (ASI_AIUS << 24UL);
@@ -295,7 +294,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
295 kernel_mna_trap_fault(); 294 kernel_mna_trap_fault();
296 } else { 295 } else {
297 unsigned long addr, *reg_addr; 296 unsigned long addr, *reg_addr;
298 int orig_asi, asi; 297 int orig_asi, asi, err;
299 298
300 addr = compute_effective_address(regs, insn, 299 addr = compute_effective_address(regs, insn,
301 ((insn >> 25) & 0x1f)); 300 ((insn >> 25) & 0x1f));
@@ -320,9 +319,10 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
320 switch (dir) { 319 switch (dir) {
321 case load: 320 case load:
322 reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs); 321 reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs);
323 do_int_load(reg_addr, size, (unsigned long *) addr, 322 err = do_int_load(reg_addr, size,
324 decode_signedness(insn), asi); 323 (unsigned long *) addr,
325 if (unlikely(asi != orig_asi)) { 324 decode_signedness(insn), asi);
325 if (likely(!err) && unlikely(asi != orig_asi)) {
326 unsigned long val_in = *reg_addr; 326 unsigned long val_in = *reg_addr;
327 switch (size) { 327 switch (size) {
328 case 2: 328 case 2:
@@ -344,16 +344,19 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
344 break; 344 break;
345 345
346 case store: 346 case store:
347 do_int_store(((insn>>25)&0x1f), size, 347 err = do_int_store(((insn>>25)&0x1f), size,
348 (unsigned long *) addr, regs, 348 (unsigned long *) addr, regs,
349 asi, orig_asi); 349 asi, orig_asi);
350 break; 350 break;
351 351
352 default: 352 default:
353 panic("Impossible kernel unaligned trap."); 353 panic("Impossible kernel unaligned trap.");
354 /* Not reached... */ 354 /* Not reached... */
355 } 355 }
356 advance(regs); 356 if (unlikely(err))
357 kernel_mna_trap_fault();
358 else
359 advance(regs);
357 } 360 }
358} 361}
359 362
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-02 19:32:13 -0500