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1 /* $Id: sparc_ksyms.c,v 1.107 2001/07/17 16:17:33 anton Exp $
2  * arch/sparc/kernel/ksyms.c: Sparc specific ksyms support.
3  *
4  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
5  * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
6  */
7
8 /* Tell string.h we don't want memcpy etc. as cpp defines */
9 #define EXPORT_SYMTAB_STROPS
10 #define PROMLIB_INTERNAL
11
12 #include <linux/config.h>
13 #include <linux/module.h>
14 #include <linux/init.h>
15 #include <linux/smp.h>
16 #include <linux/types.h>
17 #include <linux/string.h>
18 #include <linux/sched.h>
19 #include <linux/interrupt.h>
20 #include <linux/in6.h>
21 #include <linux/spinlock.h>
22 #include <linux/mm.h>
23 #include <linux/syscalls.h>
24 #ifdef CONFIG_PCI
25 #include <linux/pci.h>
26 #endif
27 #include <linux/pm.h>
28 #ifdef CONFIG_HIGHMEM
29 #include <linux/highmem.h>
30 #endif
31
32 #include <asm/oplib.h>
33 #include <asm/delay.h>
34 #include <asm/system.h>
35 #include <asm/auxio.h>
36 #include <asm/pgtable.h>
37 #include <asm/io.h>
38 #include <asm/irq.h>
39 #include <asm/idprom.h>
40 #include <asm/svr4.h>
41 #include <asm/head.h>
42 #include <asm/smp.h>
43 #include <asm/mostek.h>
44 #include <asm/ptrace.h>
45 #include <asm/user.h>
46 #include <asm/uaccess.h>
47 #include <asm/checksum.h>
48 #ifdef CONFIG_SBUS
49 #include <asm/sbus.h>
50 #include <asm/dma.h>
51 #endif
52 #ifdef CONFIG_PCI
53 #include <asm/ebus.h>
54 #endif
55 #include <asm/a.out.h>
56 #include <asm/io-unit.h>
57 #include <asm/bug.h>
58
59 extern spinlock_t rtc_lock;
60
61 struct poll {
62         int fd;
63         short events;
64         short revents;
65 };
66
67 extern int svr4_getcontext (svr4_ucontext_t *, struct pt_regs *);
68 extern int svr4_setcontext (svr4_ucontext_t *, struct pt_regs *);
69 void _sigpause_common (unsigned int set, struct pt_regs *);
70 extern void (*__copy_1page)(void *, const void *);
71 extern void __memmove(void *, const void *, __kernel_size_t);
72 extern void (*bzero_1page)(void *);
73 extern void *__bzero(void *, size_t);
74 extern void *__memscan_zero(void *, size_t);
75 extern void *__memscan_generic(void *, int, size_t);
76 extern int __memcmp(const void *, const void *, __kernel_size_t);
77 extern int __strncmp(const char *, const char *, __kernel_size_t);
78
79 extern int __ashrdi3(int, int);
80 extern int __ashldi3(int, int);
81 extern int __lshrdi3(int, int);
82 extern int __muldi3(int, int);
83 extern int __divdi3(int, int);
84
85 extern void dump_thread(struct pt_regs *, struct user *);
86
87 /* Private functions with odd calling conventions. */
88 extern void ___atomic24_add(void);
89 extern void ___atomic24_sub(void);
90 extern void ___set_bit(void);
91 extern void ___clear_bit(void);
92 extern void ___change_bit(void);
93 extern void ___rw_read_enter(void);
94 extern void ___rw_read_exit(void);
95 extern void ___rw_write_enter(void);
96
97 /* Alias functions whose names begin with "." and export the aliases.
98  * The module references will be fixed up by module_frob_arch_sections.
99  */
100 #define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
101         extern __ret __x(__arg1, __arg2) \
102                      __attribute__((weak, alias("." # __x)));
103
104 DOT_ALIAS2(int, div, int, int)
105 DOT_ALIAS2(int, mul, int, int)
106 DOT_ALIAS2(int, rem, int, int)
107 DOT_ALIAS2(unsigned, udiv, unsigned, unsigned)
108 DOT_ALIAS2(unsigned, umul, unsigned, unsigned)
109 DOT_ALIAS2(unsigned, urem, unsigned, unsigned)
110
111 #undef DOT_ALIAS2
112
113 /* used by various drivers */
114 EXPORT_SYMBOL(sparc_cpu_model);
115 EXPORT_SYMBOL(kernel_thread);
116 #ifdef CONFIG_DEBUG_SPINLOCK
117 #ifdef CONFIG_SMP
118 EXPORT_SYMBOL(_do_spin_lock);
119 EXPORT_SYMBOL(_do_spin_unlock);
120 EXPORT_SYMBOL(_spin_trylock);
121 EXPORT_SYMBOL(_do_read_lock);
122 EXPORT_SYMBOL(_do_read_unlock);
123 EXPORT_SYMBOL(_do_write_lock);
124 EXPORT_SYMBOL(_do_write_unlock);
125 #endif
126 #else
127 // XXX find what uses (or used) these.
128 EXPORT_SYMBOL(___rw_read_enter);
129 EXPORT_SYMBOL(___rw_read_exit);
130 EXPORT_SYMBOL(___rw_write_enter);
131 #endif
132 /* semaphores */
133 EXPORT_SYMBOL(__up);
134 EXPORT_SYMBOL(__down);
135 EXPORT_SYMBOL(__down_trylock);
136 EXPORT_SYMBOL(__down_interruptible);
137
138 EXPORT_SYMBOL(sparc_valid_addr_bitmap);
139 EXPORT_SYMBOL(phys_base);
140 EXPORT_SYMBOL(pfn_base);
141
142 /* Atomic operations. */
143 EXPORT_SYMBOL(___atomic24_add);
144 EXPORT_SYMBOL(___atomic24_sub);
145
146 /* Bit operations. */
147 EXPORT_SYMBOL(___set_bit);
148 EXPORT_SYMBOL(___clear_bit);
149 EXPORT_SYMBOL(___change_bit);
150
151 #ifdef CONFIG_SMP
152 /* IRQ implementation. */
153 EXPORT_SYMBOL(synchronize_irq);
154
155 /* Misc SMP information */
156 EXPORT_SYMBOL(__cpu_number_map);
157 EXPORT_SYMBOL(__cpu_logical_map);
158 #endif
159
160 EXPORT_SYMBOL(__udelay);
161 EXPORT_SYMBOL(__ndelay);
162 EXPORT_SYMBOL(rtc_lock);
163 EXPORT_SYMBOL(mostek_lock);
164 EXPORT_SYMBOL(mstk48t02_regs);
165 #ifdef CONFIG_SUN_AUXIO
166 EXPORT_SYMBOL(set_auxio);
167 EXPORT_SYMBOL(get_auxio);
168 #endif
169 EXPORT_SYMBOL(request_fast_irq);
170 EXPORT_SYMBOL(io_remap_page_range);
171 EXPORT_SYMBOL(io_remap_pfn_range);
172   /* P3: iounit_xxx may be needed, sun4d users */
173 /* EXPORT_SYMBOL(iounit_map_dma_init); */
174 /* EXPORT_SYMBOL(iounit_map_dma_page); */
175
176 #ifndef CONFIG_SMP
177 EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32));
178 #else
179 EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id));
180 #endif
181 EXPORT_SYMBOL(BTFIXUP_CALL(enable_irq));
182 EXPORT_SYMBOL(BTFIXUP_CALL(disable_irq));
183 EXPORT_SYMBOL(BTFIXUP_CALL(__irq_itoa));
184 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea));
185 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea));
186 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl));
187 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_one));
188 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_sgl));
189 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_one));
190
191 #ifdef CONFIG_SBUS
192 EXPORT_SYMBOL(sbus_root);
193 EXPORT_SYMBOL(dma_chain);
194 EXPORT_SYMBOL(sbus_set_sbus64);
195 EXPORT_SYMBOL(sbus_alloc_consistent);
196 EXPORT_SYMBOL(sbus_free_consistent);
197 EXPORT_SYMBOL(sbus_map_single);
198 EXPORT_SYMBOL(sbus_unmap_single);
199 EXPORT_SYMBOL(sbus_map_sg);
200 EXPORT_SYMBOL(sbus_unmap_sg);
201 EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
202 EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
203 EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
204 EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
205 EXPORT_SYMBOL(sbus_iounmap);
206 EXPORT_SYMBOL(sbus_ioremap);
207 #endif
208 #ifdef CONFIG_PCI
209 EXPORT_SYMBOL(ebus_chain);
210 EXPORT_SYMBOL(insb);
211 EXPORT_SYMBOL(outsb);
212 EXPORT_SYMBOL(insw);
213 EXPORT_SYMBOL(outsw);
214 EXPORT_SYMBOL(insl);
215 EXPORT_SYMBOL(outsl);
216 EXPORT_SYMBOL(pci_alloc_consistent);
217 EXPORT_SYMBOL(pci_free_consistent);
218 EXPORT_SYMBOL(pci_map_single);
219 EXPORT_SYMBOL(pci_unmap_single);
220 EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
221 EXPORT_SYMBOL(pci_dma_sync_single_for_device);
222 EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
223 EXPORT_SYMBOL(pci_dma_sync_sg_for_device);
224 EXPORT_SYMBOL(pci_map_sg);
225 EXPORT_SYMBOL(pci_unmap_sg);
226 EXPORT_SYMBOL(pci_map_page);
227 EXPORT_SYMBOL(pci_unmap_page);
228 /* Actually, ioremap/iounmap are not PCI specific. But it is ok for drivers. */
229 EXPORT_SYMBOL(ioremap);
230 EXPORT_SYMBOL(iounmap);
231 #endif
232
233 /* in arch/sparc/mm/highmem.c */
234 #ifdef CONFIG_HIGHMEM
235 EXPORT_SYMBOL(kmap_atomic);
236 EXPORT_SYMBOL(kunmap_atomic);
237 #endif
238
239 /* Solaris/SunOS binary compatibility */
240 EXPORT_SYMBOL(svr4_setcontext);
241 EXPORT_SYMBOL(svr4_getcontext);
242 EXPORT_SYMBOL(_sigpause_common);
243
244 EXPORT_SYMBOL(dump_thread);
245
246 /* prom symbols */
247 EXPORT_SYMBOL(idprom);
248 EXPORT_SYMBOL(prom_root_node);
249 EXPORT_SYMBOL(prom_getchild);
250 EXPORT_SYMBOL(prom_getsibling);
251 EXPORT_SYMBOL(prom_searchsiblings);
252 EXPORT_SYMBOL(prom_firstprop);
253 EXPORT_SYMBOL(prom_nextprop);
254 EXPORT_SYMBOL(prom_getproplen);
255 EXPORT_SYMBOL(prom_getproperty);
256 EXPORT_SYMBOL(prom_node_has_property);
257 EXPORT_SYMBOL(prom_setprop);
258 EXPORT_SYMBOL(saved_command_line);
259 EXPORT_SYMBOL(prom_apply_obio_ranges);
260 EXPORT_SYMBOL(prom_getname);
261 EXPORT_SYMBOL(prom_feval);
262 EXPORT_SYMBOL(prom_getbool);
263 EXPORT_SYMBOL(prom_getstring);
264 EXPORT_SYMBOL(prom_getint);
265 EXPORT_SYMBOL(prom_getintdefault);
266 EXPORT_SYMBOL(prom_finddevice);
267 EXPORT_SYMBOL(romvec);
268 EXPORT_SYMBOL(__prom_getchild);
269 EXPORT_SYMBOL(__prom_getsibling);
270
271 /* sparc library symbols */
272 EXPORT_SYMBOL(memchr);
273 EXPORT_SYMBOL(memscan);
274 EXPORT_SYMBOL(strlen);
275 EXPORT_SYMBOL(strnlen);
276 EXPORT_SYMBOL(strcpy);
277 EXPORT_SYMBOL(strncpy);
278 EXPORT_SYMBOL(strcat);
279 EXPORT_SYMBOL(strncat);
280 EXPORT_SYMBOL(strcmp);
281 EXPORT_SYMBOL(strncmp);
282 EXPORT_SYMBOL(strchr);
283 EXPORT_SYMBOL(strrchr);
284 EXPORT_SYMBOL(strpbrk);
285 EXPORT_SYMBOL(strstr);
286 EXPORT_SYMBOL(page_kernel);
287
288 /* Special internal versions of library functions. */
289 EXPORT_SYMBOL(__copy_1page);
290 EXPORT_SYMBOL(__memcpy);
291 EXPORT_SYMBOL(__memset);
292 EXPORT_SYMBOL(bzero_1page);
293 EXPORT_SYMBOL(__bzero);
294 EXPORT_SYMBOL(__memscan_zero);
295 EXPORT_SYMBOL(__memscan_generic);
296 EXPORT_SYMBOL(__memcmp);
297 EXPORT_SYMBOL(__strncmp);
298 EXPORT_SYMBOL(__memmove);
299
300 /* Moving data to/from userspace. */
301 EXPORT_SYMBOL(__copy_user);
302 EXPORT_SYMBOL(__strncpy_from_user);
303
304 /* Networking helper routines. */
305 EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
306 EXPORT_SYMBOL(csum_partial);
307
308 /* Cache flushing.  */
309 EXPORT_SYMBOL(sparc_flush_page_to_ram);
310
311 /* For when serial stuff is built as modules. */
312 EXPORT_SYMBOL(sun_do_break);
313
314 EXPORT_SYMBOL(__ret_efault);
315
316 EXPORT_SYMBOL(memcmp);
317 EXPORT_SYMBOL(memcpy);
318 EXPORT_SYMBOL(memset);
319 EXPORT_SYMBOL(memmove);
320 EXPORT_SYMBOL(__ashrdi3);
321 EXPORT_SYMBOL(__ashldi3);
322 EXPORT_SYMBOL(__lshrdi3);
323 EXPORT_SYMBOL(__muldi3);
324 EXPORT_SYMBOL(__divdi3);
325
326 EXPORT_SYMBOL(rem);
327 EXPORT_SYMBOL(urem);
328 EXPORT_SYMBOL(mul);
329 EXPORT_SYMBOL(umul);
330 EXPORT_SYMBOL(div);
331 EXPORT_SYMBOL(udiv);
332
333 #ifdef CONFIG_DEBUG_BUGVERBOSE
334 EXPORT_SYMBOL(do_BUG);
335 #endif
336
337 /* Sun Power Management Idle Handler */
338 EXPORT_SYMBOL(pm_idle);
339
340 /* Binfmt_misc needs this */
341 EXPORT_SYMBOL(sys_close);