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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-08-28 01:00:20 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-08-28 01:00:20 -0400
commit4b61bb575b1fb42ab1df228ae7812e5135f656da (patch)
tree03456466e6f678456ea462a7da4b352d1aa03aa3 /arch/mips/kernel/vpe.c
parent805423e84e900e56c834aadee61a020b0d5092c3 (diff)
parent326ba5010a5429a5a528b268b36a5900d4ab0eba (diff)
Merge commit 'v2.6.31-rc8' into next
Diffstat (limited to 'arch/mips/kernel/vpe.c')
-rw-r--r--arch/mips/kernel/vpe.c49
1 files changed, 23 insertions, 26 deletions
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 07b9ec2c6e3d..9a1ab7e87fd4 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -73,7 +73,7 @@ static int major;
73static const int minor = 1; /* fixed for now */ 73static const int minor = 1; /* fixed for now */
74 74
75#ifdef CONFIG_MIPS_APSP_KSPD 75#ifdef CONFIG_MIPS_APSP_KSPD
76 static struct kspd_notifications kspd_events; 76static struct kspd_notifications kspd_events;
77static int kspd_events_reqd = 0; 77static int kspd_events_reqd = 0;
78#endif 78#endif
79 79
@@ -155,10 +155,9 @@ struct {
155}; 155};
156 156
157static void release_progmem(void *ptr); 157static void release_progmem(void *ptr);
158extern void save_gp_address(unsigned int secbase, unsigned int rel);
159 158
160/* get the vpe associated with this minor */ 159/* get the vpe associated with this minor */
161struct vpe *get_vpe(int minor) 160static struct vpe *get_vpe(int minor)
162{ 161{
163 struct vpe *v; 162 struct vpe *v;
164 163
@@ -174,7 +173,7 @@ struct vpe *get_vpe(int minor)
174} 173}
175 174
176/* get the vpe associated with this minor */ 175/* get the vpe associated with this minor */
177struct tc *get_tc(int index) 176static struct tc *get_tc(int index)
178{ 177{
179 struct tc *t; 178 struct tc *t;
180 179
@@ -186,20 +185,8 @@ struct tc *get_tc(int index)
186 return NULL; 185 return NULL;
187} 186}
188 187
189struct tc *get_tc_unused(void)
190{
191 struct tc *t;
192
193 list_for_each_entry(t, &vpecontrol.tc_list, list) {
194 if (t->state == TC_STATE_UNUSED)
195 return t;
196 }
197
198 return NULL;
199}
200
201/* allocate a vpe and associate it with this minor (or index) */ 188/* allocate a vpe and associate it with this minor (or index) */
202struct vpe *alloc_vpe(int minor) 189static struct vpe *alloc_vpe(int minor)
203{ 190{
204 struct vpe *v; 191 struct vpe *v;
205 192
@@ -216,7 +203,7 @@ struct vpe *alloc_vpe(int minor)
216} 203}
217 204
218/* allocate a tc. At startup only tc0 is running, all other can be halted. */ 205/* allocate a tc. At startup only tc0 is running, all other can be halted. */
219struct tc *alloc_tc(int index) 206static struct tc *alloc_tc(int index)
220{ 207{
221 struct tc *tc; 208 struct tc *tc;
222 209
@@ -232,7 +219,7 @@ out:
232} 219}
233 220
234/* clean up and free everything */ 221/* clean up and free everything */
235void release_vpe(struct vpe *v) 222static void release_vpe(struct vpe *v)
236{ 223{
237 list_del(&v->list); 224 list_del(&v->list);
238 if (v->load_addr) 225 if (v->load_addr)
@@ -240,7 +227,7 @@ void release_vpe(struct vpe *v)
240 kfree(v); 227 kfree(v);
241} 228}
242 229
243void dump_mtregs(void) 230static void dump_mtregs(void)
244{ 231{
245 unsigned long val; 232 unsigned long val;
246 233
@@ -327,7 +314,8 @@ static void layout_sections(struct module *mod, const Elf_Ehdr * hdr,
327 || (s->sh_flags & masks[m][1]) 314 || (s->sh_flags & masks[m][1])
328 || s->sh_entsize != ~0UL) 315 || s->sh_entsize != ~0UL)
329 continue; 316 continue;
330 s->sh_entsize = get_offset(&mod->core_size, s); 317 s->sh_entsize =
318 get_offset((unsigned long *)&mod->core_size, s);
331 } 319 }
332 320
333 if (m == 0) 321 if (m == 0)
@@ -461,16 +449,15 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
461{ 449{
462 unsigned long insnlo = *location; 450 unsigned long insnlo = *location;
463 Elf32_Addr val, vallo; 451 Elf32_Addr val, vallo;
452 struct mips_hi16 *l, *next;
464 453
465 /* Sign extend the addend we extract from the lo insn. */ 454 /* Sign extend the addend we extract from the lo insn. */
466 vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000; 455 vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
467 456
468 if (mips_hi16_list != NULL) { 457 if (mips_hi16_list != NULL) {
469 struct mips_hi16 *l;
470 458
471 l = mips_hi16_list; 459 l = mips_hi16_list;
472 while (l != NULL) { 460 while (l != NULL) {
473 struct mips_hi16 *next;
474 unsigned long insn; 461 unsigned long insn;
475 462
476 /* 463 /*
@@ -480,7 +467,7 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
480 printk(KERN_DEBUG "VPE loader: " 467 printk(KERN_DEBUG "VPE loader: "
481 "apply_r_mips_lo16/hi16: \t" 468 "apply_r_mips_lo16/hi16: \t"
482 "inconsistent value information\n"); 469 "inconsistent value information\n");
483 return -ENOEXEC; 470 goto out_free;
484 } 471 }
485 472
486 /* 473 /*
@@ -518,6 +505,16 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
518 *location = insnlo; 505 *location = insnlo;
519 506
520 return 0; 507 return 0;
508
509out_free:
510 while (l != NULL) {
511 next = l->next;
512 kfree(l);
513 l = next;
514 }
515 mips_hi16_list = NULL;
516
517 return -ENOEXEC;
521} 518}
522 519
523static int (*reloc_handlers[]) (struct module *me, uint32_t *location, 520static int (*reloc_handlers[]) (struct module *me, uint32_t *location,
@@ -541,7 +538,7 @@ static char *rstrs[] = {
541 [R_MIPS_PC16] = "MIPS_PC16" 538 [R_MIPS_PC16] = "MIPS_PC16"
542}; 539};
543 540
544int apply_relocations(Elf32_Shdr *sechdrs, 541static int apply_relocations(Elf32_Shdr *sechdrs,
545 const char *strtab, 542 const char *strtab,
546 unsigned int symindex, 543 unsigned int symindex,
547 unsigned int relsec, 544 unsigned int relsec,
@@ -586,7 +583,7 @@ int apply_relocations(Elf32_Shdr *sechdrs,
586 return 0; 583 return 0;
587} 584}
588 585
589void save_gp_address(unsigned int secbase, unsigned int rel) 586static inline void save_gp_address(unsigned int secbase, unsigned int rel)
590{ 587{
591 gp_addr = secbase + rel; 588 gp_addr = secbase + rel;
592 gp_offs = gp_addr - (secbase & 0xffff0000); 589 gp_offs = gp_addr - (secbase & 0xffff0000);