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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/module.h>
  13 #include <linux/init.h>
  14 #include <linux/smp.h>
  15 #include <linux/types.h>
  16 #include <linux/string.h>
  17 #include <linux/sched.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/in6.h>
  20 #include <linux/spinlock.h>
  21 #include <linux/mm.h>
  22 #include <linux/syscalls.h>
  23 #ifdef CONFIG_PCI
  24 #include <linux/pci.h>
  25 #endif
  26 #include <linux/pm.h>
  27 #ifdef CONFIG_HIGHMEM
  28 #include <linux/highmem.h>
  29 #endif
  30
  31 #include <asm/oplib.h>
  32 #include <asm/delay.h>
  33 #include <asm/system.h>
  34 #include <asm/auxio.h>
  35 #include <asm/pgtable.h>
  36 #include <asm/io.h>
  37 #include <asm/irq.h>
  38 #include <asm/idprom.h>
  39 #include <asm/svr4.h>
  40 #include <asm/head.h>
  41 #include <asm/smp.h>
  42 #include <asm/mostek.h>
  43 #include <asm/ptrace.h>
  44 #include <asm/user.h>
  45 #include <asm/uaccess.h>
  46 #include <asm/checksum.h>
  47 #ifdef CONFIG_SBUS
  48 #include <asm/sbus.h>
  49 #include <asm/dma.h>
  50 #endif
  51 #ifdef CONFIG_PCI
  52 #include <asm/ebus.h>
  53 #endif
  54 #include <asm/io-unit.h>
  55 #include <asm/bug.h>
  56
  57 extern spinlock_t rtc_lock;
  58
  59 struct poll {
  60         int fd;
  61         short events;
  62         short revents;
  63 };
  64
  65 extern int svr4_getcontext (svr4_ucontext_t *, struct pt_regs *);
  66 extern int svr4_setcontext (svr4_ucontext_t *, struct pt_regs *);
  67 extern void (*__copy_1page)(void *, const void *);
  68 extern void __memmove(void *, const void *, __kernel_size_t);
  69 extern void (*bzero_1page)(void *);
  70 extern void *__bzero(void *, size_t);
  71 extern void *__memscan_zero(void *, size_t);
  72 extern void *__memscan_generic(void *, int, size_t);
  73 extern int __memcmp(const void *, const void *, __kernel_size_t);
  74 extern int __strncmp(const char *, const char *, __kernel_size_t);
  75
  76 extern int __ashrdi3(int, int);
  77 extern int __ashldi3(int, int);
  78 extern int __lshrdi3(int, int);
  79 extern int __muldi3(int, int);
  80 extern int __divdi3(int, int);
  81
  82 /* Private functions with odd calling conventions. */
  83 extern void ___atomic24_add(void);
  84 extern void ___atomic24_sub(void);
  85 extern void ___rw_read_enter(void);
  86 extern void ___rw_read_try(void);
  87 extern void ___rw_read_exit(void);
  88 extern void ___rw_write_enter(void);
  89
  90 /* Alias functions whose names begin with "." and export the aliases.
  91  * The module references will be fixed up by module_frob_arch_sections.
  92  */
  93 extern int _Div(int, int);
  94 extern int _Mul(int, int);
  95 extern int _Rem(int, int);
  96 extern unsigned _Udiv(unsigned, unsigned);
  97 extern unsigned _Umul(unsigned, unsigned);
  98 extern unsigned _Urem(unsigned, unsigned);
  99
 100 /* used by various drivers */
 101 EXPORT_SYMBOL(sparc_cpu_model);
 102 EXPORT_SYMBOL(kernel_thread);
 103 #ifdef CONFIG_SMP
 104 // XXX find what uses (or used) these.   AV: see asm/spinlock.h
 105 EXPORT_SYMBOL(___rw_read_enter);
 106 EXPORT_SYMBOL(___rw_read_try);
 107 EXPORT_SYMBOL(___rw_read_exit);
 108 EXPORT_SYMBOL(___rw_write_enter);
 109 #endif
 110 /* semaphores */
 111 EXPORT_SYMBOL(__up);
 112 EXPORT_SYMBOL(__down);
 113 EXPORT_SYMBOL(__down_trylock);
 114 EXPORT_SYMBOL(__down_interruptible);
 115
 116 EXPORT_SYMBOL(sparc_valid_addr_bitmap);
 117 EXPORT_SYMBOL(phys_base);
 118 EXPORT_SYMBOL(pfn_base);
 119
 120 /* Atomic operations. */
 121 EXPORT_SYMBOL(___atomic24_add);
 122 EXPORT_SYMBOL(___atomic24_sub);
 123
 124 /* Per-CPU information table */
 125 EXPORT_PER_CPU_SYMBOL(__cpu_data);
 126
 127 #ifdef CONFIG_SMP
 128 /* IRQ implementation. */
 129 EXPORT_SYMBOL(synchronize_irq);
 130
 131 /* CPU online map and active count. */
 132 EXPORT_SYMBOL(cpu_online_map);
 133 EXPORT_SYMBOL(phys_cpu_present_map);
 134 #endif
 135
 136 EXPORT_SYMBOL(__udelay);
 137 EXPORT_SYMBOL(__ndelay);
 138 EXPORT_SYMBOL(rtc_lock);
 139 EXPORT_SYMBOL(mostek_lock);
 140 EXPORT_SYMBOL(mstk48t02_regs);
 141 #ifdef CONFIG_SUN_AUXIO
 142 EXPORT_SYMBOL(set_auxio);
 143 EXPORT_SYMBOL(get_auxio);
 144 #endif
 145 EXPORT_SYMBOL(io_remap_pfn_range);
 146   /* P3: iounit_xxx may be needed, sun4d users */
 147 /* EXPORT_SYMBOL(iounit_map_dma_init); */
 148 /* EXPORT_SYMBOL(iounit_map_dma_page); */
 149
 150 #ifndef CONFIG_SMP
 151 EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32));
 152 #else
 153 EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id));
 154 #endif
 155 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea));
 156 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea));
 157 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl));
 158 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_one));
 159 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_sgl));
 160 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_one));
 161
 162 EXPORT_SYMBOL(BTFIXUP_CALL(pgprot_noncached));
 163
 164 #ifdef CONFIG_SBUS
 165 EXPORT_SYMBOL(sbus_root);
 166 EXPORT_SYMBOL(dma_chain);
 167 EXPORT_SYMBOL(sbus_set_sbus64);
 168 EXPORT_SYMBOL(sbus_alloc_consistent);
 169 EXPORT_SYMBOL(sbus_free_consistent);
 170 EXPORT_SYMBOL(sbus_map_single);
 171 EXPORT_SYMBOL(sbus_unmap_single);
 172 EXPORT_SYMBOL(sbus_map_sg);
 173 EXPORT_SYMBOL(sbus_unmap_sg);
 174 EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
 175 EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
 176 EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
 177 EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
 178 EXPORT_SYMBOL(sbus_iounmap);
 179 EXPORT_SYMBOL(sbus_ioremap);
 180 #endif
 181 #ifdef CONFIG_PCI
 182 EXPORT_SYMBOL(ebus_chain);
 183 EXPORT_SYMBOL(insb);
 184 EXPORT_SYMBOL(outsb);
 185 EXPORT_SYMBOL(insw);
 186 EXPORT_SYMBOL(outsw);
 187 EXPORT_SYMBOL(insl);
 188 EXPORT_SYMBOL(outsl);
 189 EXPORT_SYMBOL(pci_alloc_consistent);
 190 EXPORT_SYMBOL(pci_free_consistent);
 191 EXPORT_SYMBOL(pci_map_single);
 192 EXPORT_SYMBOL(pci_unmap_single);
 193 EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
 194 EXPORT_SYMBOL(pci_dma_sync_single_for_device);
 195 EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
 196 EXPORT_SYMBOL(pci_dma_sync_sg_for_device);
 197 EXPORT_SYMBOL(pci_map_sg);
 198 EXPORT_SYMBOL(pci_unmap_sg);
 199 EXPORT_SYMBOL(pci_map_page);
 200 EXPORT_SYMBOL(pci_unmap_page);
 201 /* Actually, ioremap/iounmap are not PCI specific. But it is ok for drivers. */
 202 EXPORT_SYMBOL(ioremap);
 203 EXPORT_SYMBOL(iounmap);
 204 #endif
 205
 206 /* in arch/sparc/mm/highmem.c */
 207 #ifdef CONFIG_HIGHMEM
 208 EXPORT_SYMBOL(kmap_atomic);
 209 EXPORT_SYMBOL(kunmap_atomic);
 210 #endif
 211
 212 /* Solaris/SunOS binary compatibility */
 213 EXPORT_SYMBOL(svr4_setcontext);
 214 EXPORT_SYMBOL(svr4_getcontext);
 215
 216 /* prom symbols */
 217 EXPORT_SYMBOL(idprom);
 218 EXPORT_SYMBOL(prom_root_node);
 219 EXPORT_SYMBOL(prom_getchild);
 220 EXPORT_SYMBOL(prom_getsibling);
 221 EXPORT_SYMBOL(prom_searchsiblings);
 222 EXPORT_SYMBOL(prom_firstprop);
 223 EXPORT_SYMBOL(prom_nextprop);
 224 EXPORT_SYMBOL(prom_getproplen);
 225 EXPORT_SYMBOL(prom_getproperty);
 226 EXPORT_SYMBOL(prom_node_has_property);
 227 EXPORT_SYMBOL(prom_setprop);
 228 EXPORT_SYMBOL(saved_command_line);
 229 EXPORT_SYMBOL(prom_apply_obio_ranges);
 230 EXPORT_SYMBOL(prom_feval);
 231 EXPORT_SYMBOL(prom_getbool);
 232 EXPORT_SYMBOL(prom_getstring);
 233 EXPORT_SYMBOL(prom_getint);
 234 EXPORT_SYMBOL(prom_getintdefault);
 235 EXPORT_SYMBOL(prom_finddevice);
 236 EXPORT_SYMBOL(romvec);
 237 EXPORT_SYMBOL(__prom_getchild);
 238 EXPORT_SYMBOL(__prom_getsibling);
 239
 240 /* sparc library symbols */
 241 EXPORT_SYMBOL(memscan);
 242 EXPORT_SYMBOL(strlen);
 243 EXPORT_SYMBOL(strncmp);
 244 EXPORT_SYMBOL(page_kernel);
 245
 246 /* Special internal versions of library functions. */
 247 EXPORT_SYMBOL(__copy_1page);
 248 EXPORT_SYMBOL(__memcpy);
 249 EXPORT_SYMBOL(__memset);
 250 EXPORT_SYMBOL(bzero_1page);
 251 EXPORT_SYMBOL(__bzero);
 252 EXPORT_SYMBOL(__memscan_zero);
 253 EXPORT_SYMBOL(__memscan_generic);
 254 EXPORT_SYMBOL(__memcmp);
 255 EXPORT_SYMBOL(__strncmp);
 256 EXPORT_SYMBOL(__memmove);
 257
 258 /* Moving data to/from userspace. */
 259 EXPORT_SYMBOL(__copy_user);
 260 EXPORT_SYMBOL(__strncpy_from_user);
 261 EXPORT_SYMBOL(__strnlen_user);
 262
 263 /* Networking helper routines. */
 264 EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
 265 EXPORT_SYMBOL(csum_partial);
 266
 267 /* Cache flushing.  */
 268 EXPORT_SYMBOL(sparc_flush_page_to_ram);
 269
 270 /* For when serial stuff is built as modules. */
 271 EXPORT_SYMBOL(sun_do_break);
 272
 273 EXPORT_SYMBOL(__ret_efault);
 274
 275 EXPORT_SYMBOL(memcmp);
 276 EXPORT_SYMBOL(memcpy);
 277 EXPORT_SYMBOL(memset);
 278 EXPORT_SYMBOL(memmove);
 279 EXPORT_SYMBOL(__ashrdi3);
 280 EXPORT_SYMBOL(__ashldi3);
 281 EXPORT_SYMBOL(__lshrdi3);
 282 EXPORT_SYMBOL(__muldi3);
 283 EXPORT_SYMBOL(__divdi3);
 284
 285 EXPORT_SYMBOL(_Rem);
 286 EXPORT_SYMBOL(_Urem);
 287 EXPORT_SYMBOL(_Mul);
 288 EXPORT_SYMBOL(_Umul);
 289 EXPORT_SYMBOL(_Div);
 290 EXPORT_SYMBOL(_Udiv);
 291
 292 #ifdef CONFIG_DEBUG_BUGVERBOSE
 293 EXPORT_SYMBOL(do_BUG);
 294 #endif
 295
 296 /* Sun Power Management Idle Handler */
 297 EXPORT_SYMBOL(pm_idle);