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-rw-r--r--arch/ia64/kernel/Makefile3
-rw-r--r--arch/ia64/kernel/paravirt.c520
-rw-r--r--arch/ia64/kernel/paravirtentry.S43
-rw-r--r--arch/ia64/kernel/setup.c2
4 files changed, 547 insertions, 21 deletions
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 8dc9df8a87a5..dbc19e4d5ef7 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -36,7 +36,8 @@ obj-$(CONFIG_PCI_MSI) += msi_ia64.o
36mca_recovery-y += mca_drv.o mca_drv_asm.o 36mca_recovery-y += mca_drv.o mca_drv_asm.o
37obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o 37obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o
38 38
39obj-$(CONFIG_PARAVIRT) += paravirt.o paravirtentry.o 39obj-$(CONFIG_PARAVIRT) += paravirt.o paravirtentry.o \
40 paravirt_patch.o
40 41
41obj-$(CONFIG_IA64_ESI) += esi.o 42obj-$(CONFIG_IA64_ESI) += esi.o
42ifneq ($(CONFIG_IA64_ESI),) 43ifneq ($(CONFIG_IA64_ESI),)
diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c
index 6bc33a6db755..158d52414e96 100644
--- a/arch/ia64/kernel/paravirt.c
+++ b/arch/ia64/kernel/paravirt.c
@@ -46,13 +46,23 @@ struct pv_info pv_info = {
46 * initialization hooks. 46 * initialization hooks.
47 */ 47 */
48 48
49struct pv_init_ops pv_init_ops; 49static void __init
50ia64_native_patch_branch(unsigned long tag, unsigned long type);
51
52struct pv_init_ops pv_init_ops =
53{
54#ifdef ASM_SUPPORTED
55 .patch_bundle = ia64_native_patch_bundle,
56#endif
57 .patch_branch = ia64_native_patch_branch,
58};
50 59
51/*************************************************************************** 60/***************************************************************************
52 * pv_cpu_ops 61 * pv_cpu_ops
53 * intrinsics hooks. 62 * intrinsics hooks.
54 */ 63 */
55 64
65#ifndef ASM_SUPPORTED
56/* ia64_native_xxx are macros so that we have to make them real functions */ 66/* ia64_native_xxx are macros so that we have to make them real functions */
57 67
58#define DEFINE_VOID_FUNC1(name) \ 68#define DEFINE_VOID_FUNC1(name) \
@@ -274,6 +284,261 @@ ia64_native_setreg_func(int regnum, unsigned long val)
274 break; 284 break;
275 } 285 }
276} 286}
287#else
288
289#define __DEFINE_FUNC(name, code) \
290 extern const char ia64_native_ ## name ## _direct_start[]; \
291 extern const char ia64_native_ ## name ## _direct_end[]; \
292 asm (".align 32\n" \
293 ".proc ia64_native_" #name "_func\n" \
294 "ia64_native_" #name "_func:\n" \
295 "ia64_native_" #name "_direct_start:\n" \
296 code \
297 "ia64_native_" #name "_direct_end:\n" \
298 "br.cond.sptk.many b6\n" \
299 ".endp ia64_native_" #name "_func\n")
300
301#define DEFINE_VOID_FUNC0(name, code) \
302 extern void \
303 ia64_native_ ## name ## _func(void); \
304 __DEFINE_FUNC(name, code)
305
306#define DEFINE_VOID_FUNC1(name, code) \
307 extern void \
308 ia64_native_ ## name ## _func(unsigned long arg); \
309 __DEFINE_FUNC(name, code)
310
311#define DEFINE_VOID_FUNC2(name, code) \
312 extern void \
313 ia64_native_ ## name ## _func(unsigned long arg0, \
314 unsigned long arg1); \
315 __DEFINE_FUNC(name, code)
316
317#define DEFINE_FUNC0(name, code) \
318 extern unsigned long \
319 ia64_native_ ## name ## _func(void); \
320 __DEFINE_FUNC(name, code)
321
322#define DEFINE_FUNC1(name, type, code) \
323 extern unsigned long \
324 ia64_native_ ## name ## _func(type arg); \
325 __DEFINE_FUNC(name, code)
326
327DEFINE_VOID_FUNC1(fc,
328 "fc r8\n");
329DEFINE_VOID_FUNC1(intrin_local_irq_restore,
330 ";;\n"
331 " cmp.ne p6, p7 = r8, r0\n"
332 ";;\n"
333 "(p6) ssm psr.i\n"
334 "(p7) rsm psr.i\n"
335 ";;\n"
336 "(p6) srlz.d\n");
337
338DEFINE_VOID_FUNC2(ptcga,
339 "ptc.ga r8, r9\n");
340DEFINE_VOID_FUNC2(set_rr,
341 "mov rr[r8] = r9\n");
342
343/* ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I */
344DEFINE_FUNC0(get_psr_i,
345 "mov r2 = " __stringify(1 << IA64_PSR_I_BIT) "\n"
346 "mov r8 = psr\n"
347 ";;\n"
348 "and r8 = r2, r8\n");
349
350DEFINE_FUNC1(thash, unsigned long,
351 "thash r8 = r8\n");
352DEFINE_FUNC1(get_cpuid, int,
353 "mov r8 = cpuid[r8]\n");
354DEFINE_FUNC1(get_pmd, int,
355 "mov r8 = pmd[r8]\n");
356DEFINE_FUNC1(get_rr, unsigned long,
357 "mov r8 = rr[r8]\n");
358
359DEFINE_VOID_FUNC0(ssm_i,
360 "ssm psr.i\n");
361DEFINE_VOID_FUNC0(rsm_i,
362 "rsm psr.i\n");
363
364extern void
365ia64_native_set_rr0_to_rr4_func(unsigned long val0, unsigned long val1,
366 unsigned long val2, unsigned long val3,
367 unsigned long val4);
368__DEFINE_FUNC(set_rr0_to_rr4,
369 "mov rr[r0] = r8\n"
370 "movl r2 = 0x2000000000000000\n"
371 ";;\n"
372 "mov rr[r2] = r9\n"
373 "shl r3 = r2, 1\n" /* movl r3 = 0x4000000000000000 */
374 ";;\n"
375 "add r2 = r2, r3\n" /* movl r2 = 0x6000000000000000 */
376 "mov rr[r3] = r10\n"
377 ";;\n"
378 "mov rr[r2] = r11\n"
379 "shl r3 = r3, 1\n" /* movl r3 = 0x8000000000000000 */
380 ";;\n"
381 "mov rr[r3] = r14\n");
382
383extern unsigned long ia64_native_getreg_func(int regnum);
384asm(".global ia64_native_getreg_func\n");
385#define __DEFINE_GET_REG(id, reg) \
386 "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \
387 ";;\n" \
388 "cmp.eq p6, p0 = r2, r8\n" \
389 ";;\n" \
390 "(p6) mov r8 = " #reg "\n" \
391 "(p6) br.cond.sptk.many b6\n" \
392 ";;\n"
393#define __DEFINE_GET_AR(id, reg) __DEFINE_GET_REG(AR_ ## id, ar.reg)
394#define __DEFINE_GET_CR(id, reg) __DEFINE_GET_REG(CR_ ## id, cr.reg)
395
396__DEFINE_FUNC(getreg,
397 __DEFINE_GET_REG(GP, gp)
398 /*__DEFINE_GET_REG(IP, ip)*/ /* returned ip value shouldn't be constant */
399 __DEFINE_GET_REG(PSR, psr)
400 __DEFINE_GET_REG(TP, tp)
401 __DEFINE_GET_REG(SP, sp)
402
403 __DEFINE_GET_REG(AR_KR0, ar0)
404 __DEFINE_GET_REG(AR_KR1, ar1)
405 __DEFINE_GET_REG(AR_KR2, ar2)
406 __DEFINE_GET_REG(AR_KR3, ar3)
407 __DEFINE_GET_REG(AR_KR4, ar4)
408 __DEFINE_GET_REG(AR_KR5, ar5)
409 __DEFINE_GET_REG(AR_KR6, ar6)
410 __DEFINE_GET_REG(AR_KR7, ar7)
411 __DEFINE_GET_AR(RSC, rsc)
412 __DEFINE_GET_AR(BSP, bsp)
413 __DEFINE_GET_AR(BSPSTORE, bspstore)
414 __DEFINE_GET_AR(RNAT, rnat)
415 __DEFINE_GET_AR(FCR, fcr)
416 __DEFINE_GET_AR(EFLAG, eflag)
417 __DEFINE_GET_AR(CSD, csd)
418 __DEFINE_GET_AR(SSD, ssd)
419 __DEFINE_GET_REG(AR_CFLAG, ar27)
420 __DEFINE_GET_AR(FSR, fsr)
421 __DEFINE_GET_AR(FIR, fir)
422 __DEFINE_GET_AR(FDR, fdr)
423 __DEFINE_GET_AR(CCV, ccv)
424 __DEFINE_GET_AR(UNAT, unat)
425 __DEFINE_GET_AR(FPSR, fpsr)
426 __DEFINE_GET_AR(ITC, itc)
427 __DEFINE_GET_AR(PFS, pfs)
428 __DEFINE_GET_AR(LC, lc)
429 __DEFINE_GET_AR(EC, ec)
430
431 __DEFINE_GET_CR(DCR, dcr)
432 __DEFINE_GET_CR(ITM, itm)
433 __DEFINE_GET_CR(IVA, iva)
434 __DEFINE_GET_CR(PTA, pta)
435 __DEFINE_GET_CR(IPSR, ipsr)
436 __DEFINE_GET_CR(ISR, isr)
437 __DEFINE_GET_CR(IIP, iip)
438 __DEFINE_GET_CR(IFA, ifa)
439 __DEFINE_GET_CR(ITIR, itir)
440 __DEFINE_GET_CR(IIPA, iipa)
441 __DEFINE_GET_CR(IFS, ifs)
442 __DEFINE_GET_CR(IIM, iim)
443 __DEFINE_GET_CR(IHA, iha)
444 __DEFINE_GET_CR(LID, lid)
445 __DEFINE_GET_CR(IVR, ivr)
446 __DEFINE_GET_CR(TPR, tpr)
447 __DEFINE_GET_CR(EOI, eoi)
448 __DEFINE_GET_CR(IRR0, irr0)
449 __DEFINE_GET_CR(IRR1, irr1)
450 __DEFINE_GET_CR(IRR2, irr2)
451 __DEFINE_GET_CR(IRR3, irr3)
452 __DEFINE_GET_CR(ITV, itv)
453 __DEFINE_GET_CR(PMV, pmv)
454 __DEFINE_GET_CR(CMCV, cmcv)
455 __DEFINE_GET_CR(LRR0, lrr0)
456 __DEFINE_GET_CR(LRR1, lrr1)
457
458 "mov r8 = -1\n" /* unsupported case */
459 );
460
461extern void ia64_native_setreg_func(int regnum, unsigned long val);
462asm(".global ia64_native_setreg_func\n");
463#define __DEFINE_SET_REG(id, reg) \
464 "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \
465 ";;\n" \
466 "cmp.eq p6, p0 = r2, r9\n" \
467 ";;\n" \
468 "(p6) mov " #reg " = r8\n" \
469 "(p6) br.cond.sptk.many b6\n" \
470 ";;\n"
471#define __DEFINE_SET_AR(id, reg) __DEFINE_SET_REG(AR_ ## id, ar.reg)
472#define __DEFINE_SET_CR(id, reg) __DEFINE_SET_REG(CR_ ## id, cr.reg)
473__DEFINE_FUNC(setreg,
474 "mov r2 = " __stringify(_IA64_REG_PSR_L) "\n"
475 ";;\n"
476 "cmp.eq p6, p0 = r2, r9\n"
477 ";;\n"
478 "(p6) mov psr.l = r8\n"
479#ifdef HAVE_SERIALIZE_DIRECTIVE
480 ".serialize.data\n"
481#endif
482 "(p6) br.cond.sptk.many b6\n"
483 __DEFINE_SET_REG(GP, gp)
484 __DEFINE_SET_REG(SP, sp)
485
486 __DEFINE_SET_REG(AR_KR0, ar0)
487 __DEFINE_SET_REG(AR_KR1, ar1)
488 __DEFINE_SET_REG(AR_KR2, ar2)
489 __DEFINE_SET_REG(AR_KR3, ar3)
490 __DEFINE_SET_REG(AR_KR4, ar4)
491 __DEFINE_SET_REG(AR_KR5, ar5)
492 __DEFINE_SET_REG(AR_KR6, ar6)
493 __DEFINE_SET_REG(AR_KR7, ar7)
494 __DEFINE_SET_AR(RSC, rsc)
495 __DEFINE_SET_AR(BSP, bsp)
496 __DEFINE_SET_AR(BSPSTORE, bspstore)
497 __DEFINE_SET_AR(RNAT, rnat)
498 __DEFINE_SET_AR(FCR, fcr)
499 __DEFINE_SET_AR(EFLAG, eflag)
500 __DEFINE_SET_AR(CSD, csd)
501 __DEFINE_SET_AR(SSD, ssd)
502 __DEFINE_SET_REG(AR_CFLAG, ar27)
503 __DEFINE_SET_AR(FSR, fsr)
504 __DEFINE_SET_AR(FIR, fir)
505 __DEFINE_SET_AR(FDR, fdr)
506 __DEFINE_SET_AR(CCV, ccv)
507 __DEFINE_SET_AR(UNAT, unat)
508 __DEFINE_SET_AR(FPSR, fpsr)
509 __DEFINE_SET_AR(ITC, itc)
510 __DEFINE_SET_AR(PFS, pfs)
511 __DEFINE_SET_AR(LC, lc)
512 __DEFINE_SET_AR(EC, ec)
513
514 __DEFINE_SET_CR(DCR, dcr)
515 __DEFINE_SET_CR(ITM, itm)
516 __DEFINE_SET_CR(IVA, iva)
517 __DEFINE_SET_CR(PTA, pta)
518 __DEFINE_SET_CR(IPSR, ipsr)
519 __DEFINE_SET_CR(ISR, isr)
520 __DEFINE_SET_CR(IIP, iip)
521 __DEFINE_SET_CR(IFA, ifa)
522 __DEFINE_SET_CR(ITIR, itir)
523 __DEFINE_SET_CR(IIPA, iipa)
524 __DEFINE_SET_CR(IFS, ifs)
525 __DEFINE_SET_CR(IIM, iim)
526 __DEFINE_SET_CR(IHA, iha)
527 __DEFINE_SET_CR(LID, lid)
528 __DEFINE_SET_CR(IVR, ivr)
529 __DEFINE_SET_CR(TPR, tpr)
530 __DEFINE_SET_CR(EOI, eoi)
531 __DEFINE_SET_CR(IRR0, irr0)
532 __DEFINE_SET_CR(IRR1, irr1)
533 __DEFINE_SET_CR(IRR2, irr2)
534 __DEFINE_SET_CR(IRR3, irr3)
535 __DEFINE_SET_CR(ITV, itv)
536 __DEFINE_SET_CR(PMV, pmv)
537 __DEFINE_SET_CR(CMCV, cmcv)
538 __DEFINE_SET_CR(LRR0, lrr0)
539 __DEFINE_SET_CR(LRR1, lrr1)
540 );
541#endif
277 542
278struct pv_cpu_ops pv_cpu_ops = { 543struct pv_cpu_ops pv_cpu_ops = {
279 .fc = ia64_native_fc_func, 544 .fc = ia64_native_fc_func,
@@ -368,3 +633,256 @@ struct pv_time_ops pv_time_ops = {
368 .do_steal_accounting = ia64_native_do_steal_accounting, 633 .do_steal_accounting = ia64_native_do_steal_accounting,
369 .sched_clock = ia64_native_sched_clock, 634 .sched_clock = ia64_native_sched_clock,
370}; 635};
636
637/***************************************************************************
638 * binary pacthing
639 * pv_init_ops.patch_bundle
640 */
641
642#ifdef ASM_SUPPORTED
643#define IA64_NATIVE_PATCH_DEFINE_GET_REG(name, reg) \
644 __DEFINE_FUNC(get_ ## name, \
645 ";;\n" \
646 "mov r8 = " #reg "\n" \
647 ";;\n")
648
649#define IA64_NATIVE_PATCH_DEFINE_SET_REG(name, reg) \
650 __DEFINE_FUNC(set_ ## name, \
651 ";;\n" \
652 "mov " #reg " = r8\n" \
653 ";;\n")
654
655#define IA64_NATIVE_PATCH_DEFINE_REG(name, reg) \
656 IA64_NATIVE_PATCH_DEFINE_GET_REG(name, reg); \
657 IA64_NATIVE_PATCH_DEFINE_SET_REG(name, reg) \
658
659#define IA64_NATIVE_PATCH_DEFINE_AR(name, reg) \
660 IA64_NATIVE_PATCH_DEFINE_REG(ar_ ## name, ar.reg)
661
662#define IA64_NATIVE_PATCH_DEFINE_CR(name, reg) \
663 IA64_NATIVE_PATCH_DEFINE_REG(cr_ ## name, cr.reg)
664
665
666IA64_NATIVE_PATCH_DEFINE_GET_REG(psr, psr);
667IA64_NATIVE_PATCH_DEFINE_GET_REG(tp, tp);
668
669/* IA64_NATIVE_PATCH_DEFINE_SET_REG(psr_l, psr.l); */
670__DEFINE_FUNC(set_psr_l,
671 ";;\n"
672 "mov psr.l = r8\n"
673#ifdef HAVE_SERIALIZE_DIRECTIVE
674 ".serialize.data\n"
675#endif
676 ";;\n");
677
678IA64_NATIVE_PATCH_DEFINE_REG(gp, gp);
679IA64_NATIVE_PATCH_DEFINE_REG(sp, sp);
680
681IA64_NATIVE_PATCH_DEFINE_REG(kr0, ar0);
682IA64_NATIVE_PATCH_DEFINE_REG(kr1, ar1);
683IA64_NATIVE_PATCH_DEFINE_REG(kr2, ar2);
684IA64_NATIVE_PATCH_DEFINE_REG(kr3, ar3);
685IA64_NATIVE_PATCH_DEFINE_REG(kr4, ar4);
686IA64_NATIVE_PATCH_DEFINE_REG(kr5, ar5);
687IA64_NATIVE_PATCH_DEFINE_REG(kr6, ar6);
688IA64_NATIVE_PATCH_DEFINE_REG(kr7, ar7);
689
690IA64_NATIVE_PATCH_DEFINE_AR(rsc, rsc);
691IA64_NATIVE_PATCH_DEFINE_AR(bsp, bsp);
692IA64_NATIVE_PATCH_DEFINE_AR(bspstore, bspstore);
693IA64_NATIVE_PATCH_DEFINE_AR(rnat, rnat);
694IA64_NATIVE_PATCH_DEFINE_AR(fcr, fcr);
695IA64_NATIVE_PATCH_DEFINE_AR(eflag, eflag);
696IA64_NATIVE_PATCH_DEFINE_AR(csd, csd);
697IA64_NATIVE_PATCH_DEFINE_AR(ssd, ssd);
698IA64_NATIVE_PATCH_DEFINE_REG(ar27, ar27);
699IA64_NATIVE_PATCH_DEFINE_AR(fsr, fsr);
700IA64_NATIVE_PATCH_DEFINE_AR(fir, fir);
701IA64_NATIVE_PATCH_DEFINE_AR(fdr, fdr);
702IA64_NATIVE_PATCH_DEFINE_AR(ccv, ccv);
703IA64_NATIVE_PATCH_DEFINE_AR(unat, unat);
704IA64_NATIVE_PATCH_DEFINE_AR(fpsr, fpsr);
705IA64_NATIVE_PATCH_DEFINE_AR(itc, itc);
706IA64_NATIVE_PATCH_DEFINE_AR(pfs, pfs);
707IA64_NATIVE_PATCH_DEFINE_AR(lc, lc);
708IA64_NATIVE_PATCH_DEFINE_AR(ec, ec);
709
710IA64_NATIVE_PATCH_DEFINE_CR(dcr, dcr);
711IA64_NATIVE_PATCH_DEFINE_CR(itm, itm);
712IA64_NATIVE_PATCH_DEFINE_CR(iva, iva);
713IA64_NATIVE_PATCH_DEFINE_CR(pta, pta);
714IA64_NATIVE_PATCH_DEFINE_CR(ipsr, ipsr);
715IA64_NATIVE_PATCH_DEFINE_CR(isr, isr);
716IA64_NATIVE_PATCH_DEFINE_CR(iip, iip);
717IA64_NATIVE_PATCH_DEFINE_CR(ifa, ifa);
718IA64_NATIVE_PATCH_DEFINE_CR(itir, itir);
719IA64_NATIVE_PATCH_DEFINE_CR(iipa, iipa);
720IA64_NATIVE_PATCH_DEFINE_CR(ifs, ifs);
721IA64_NATIVE_PATCH_DEFINE_CR(iim, iim);
722IA64_NATIVE_PATCH_DEFINE_CR(iha, iha);
723IA64_NATIVE_PATCH_DEFINE_CR(lid, lid);
724IA64_NATIVE_PATCH_DEFINE_CR(ivr, ivr);
725IA64_NATIVE_PATCH_DEFINE_CR(tpr, tpr);
726IA64_NATIVE_PATCH_DEFINE_CR(eoi, eoi);
727IA64_NATIVE_PATCH_DEFINE_CR(irr0, irr0);
728IA64_NATIVE_PATCH_DEFINE_CR(irr1, irr1);
729IA64_NATIVE_PATCH_DEFINE_CR(irr2, irr2);
730IA64_NATIVE_PATCH_DEFINE_CR(irr3, irr3);
731IA64_NATIVE_PATCH_DEFINE_CR(itv, itv);
732IA64_NATIVE_PATCH_DEFINE_CR(pmv, pmv);
733IA64_NATIVE_PATCH_DEFINE_CR(cmcv, cmcv);
734IA64_NATIVE_PATCH_DEFINE_CR(lrr0, lrr0);
735IA64_NATIVE_PATCH_DEFINE_CR(lrr1, lrr1);
736
737static const struct paravirt_patch_bundle_elem ia64_native_patch_bundle_elems[]
738__initdata_or_module =
739{
740#define IA64_NATIVE_PATCH_BUNDLE_ELEM(name, type) \
741 { \
742 (void*)ia64_native_ ## name ## _direct_start, \
743 (void*)ia64_native_ ## name ## _direct_end, \
744 PARAVIRT_PATCH_TYPE_ ## type, \
745 }
746
747 IA64_NATIVE_PATCH_BUNDLE_ELEM(fc, FC),
748 IA64_NATIVE_PATCH_BUNDLE_ELEM(thash, THASH),
749 IA64_NATIVE_PATCH_BUNDLE_ELEM(get_cpuid, GET_CPUID),
750 IA64_NATIVE_PATCH_BUNDLE_ELEM(get_pmd, GET_PMD),
751 IA64_NATIVE_PATCH_BUNDLE_ELEM(ptcga, PTCGA),
752 IA64_NATIVE_PATCH_BUNDLE_ELEM(get_rr, GET_RR),
753 IA64_NATIVE_PATCH_BUNDLE_ELEM(set_rr, SET_RR),
754 IA64_NATIVE_PATCH_BUNDLE_ELEM(set_rr0_to_rr4, SET_RR0_TO_RR4),
755 IA64_NATIVE_PATCH_BUNDLE_ELEM(ssm_i, SSM_I),
756 IA64_NATIVE_PATCH_BUNDLE_ELEM(rsm_i, RSM_I),
757 IA64_NATIVE_PATCH_BUNDLE_ELEM(get_psr_i, GET_PSR_I),
758 IA64_NATIVE_PATCH_BUNDLE_ELEM(intrin_local_irq_restore,
759 INTRIN_LOCAL_IRQ_RESTORE),
760
761#define IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(name, reg) \
762 { \
763 (void*)ia64_native_get_ ## name ## _direct_start, \
764 (void*)ia64_native_get_ ## name ## _direct_end, \
765 PARAVIRT_PATCH_TYPE_GETREG + _IA64_REG_ ## reg, \
766 }
767
768#define IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(name, reg) \
769 { \
770 (void*)ia64_native_set_ ## name ## _direct_start, \
771 (void*)ia64_native_set_ ## name ## _direct_end, \
772 PARAVIRT_PATCH_TYPE_SETREG + _IA64_REG_ ## reg, \
773 }
774
775#define IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(name, reg) \
776 IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(name, reg), \
777 IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(name, reg) \
778
779#define IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(name, reg) \
780 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(ar_ ## name, AR_ ## reg)
781
782#define IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(name, reg) \
783 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(cr_ ## name, CR_ ## reg)
784
785 IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(psr, PSR),
786 IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(tp, TP),
787
788 IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(psr_l, PSR_L),
789
790 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(gp, GP),
791 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(sp, SP),
792
793 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr0, AR_KR0),
794 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr1, AR_KR1),
795 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr2, AR_KR2),
796 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr3, AR_KR3),
797 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr4, AR_KR4),
798 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr5, AR_KR5),
799 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr6, AR_KR6),
800 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr7, AR_KR7),
801
802 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(rsc, RSC),
803 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(bsp, BSP),
804 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(bspstore, BSPSTORE),
805 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(rnat, RNAT),
806 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fcr, FCR),
807 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(eflag, EFLAG),
808 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(csd, CSD),
809 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ssd, SSD),
810 IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(ar27, AR_CFLAG),
811 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fsr, FSR),
812 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fir, FIR),
813 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fdr, FDR),
814 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ccv, CCV),
815 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(unat, UNAT),
816 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fpsr, FPSR),
817 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(itc, ITC),
818 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(pfs, PFS),
819 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(lc, LC),
820 IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ec, EC),
821
822 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(dcr, DCR),
823 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itm, ITM),
824 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iva, IVA),
825 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(pta, PTA),
826 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ipsr, IPSR),
827 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(isr, ISR),
828 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iip, IIP),
829 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ifa, IFA),
830 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itir, ITIR),
831 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iipa, IIPA),
832 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ifs, IFS),
833 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iim, IIM),
834 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iha, IHA),
835 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lid, LID),
836 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ivr, IVR),
837 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(tpr, TPR),
838 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(eoi, EOI),
839 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr0, IRR0),
840 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr1, IRR1),
841 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr2, IRR2),
842 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr3, IRR3),
843 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itv, ITV),
844 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(pmv, PMV),
845 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(cmcv, CMCV),
846 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lrr0, LRR0),
847 IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lrr1, LRR1),
848};
849
850unsigned long __init_or_module
851ia64_native_patch_bundle(void *sbundle, void *ebundle, unsigned long type)
852{
853 const unsigned long nelems = sizeof(ia64_native_patch_bundle_elems) /
854 sizeof(ia64_native_patch_bundle_elems[0]);
855
856 return __paravirt_patch_apply_bundle(sbundle, ebundle, type,
857 ia64_native_patch_bundle_elems,
858 nelems, NULL);
859}
860#endif /* ASM_SUPPOTED */
861
862extern const char ia64_native_switch_to[];
863extern const char ia64_native_leave_syscall[];
864extern const char ia64_native_work_processed_syscall[];
865extern const char ia64_native_leave_kernel[];
866
867const struct paravirt_patch_branch_target ia64_native_branch_target[]
868__initconst = {
869#define PARAVIRT_BR_TARGET(name, type) \
870 { \
871 ia64_native_ ## name, \
872 PARAVIRT_PATCH_TYPE_BR_ ## type, \
873 }
874 PARAVIRT_BR_TARGET(switch_to, SWITCH_TO),
875 PARAVIRT_BR_TARGET(leave_syscall, LEAVE_SYSCALL),
876 PARAVIRT_BR_TARGET(work_processed_syscall, WORK_PROCESSED_SYSCALL),
877 PARAVIRT_BR_TARGET(leave_kernel, LEAVE_KERNEL),
878};
879
880static void __init
881ia64_native_patch_branch(unsigned long tag, unsigned long type)
882{
883 const unsigned long nelem =
884 sizeof(ia64_native_branch_target) /
885 sizeof(ia64_native_branch_target[0]);
886 __paravirt_patch_apply_branch(tag, type,
887 ia64_native_branch_target, nelem);
888}
diff --git a/arch/ia64/kernel/paravirtentry.S b/arch/ia64/kernel/paravirtentry.S
index 80c0d365cbc0..6158560d7f17 100644
--- a/arch/ia64/kernel/paravirtentry.S
+++ b/arch/ia64/kernel/paravirtentry.S
@@ -20,8 +20,11 @@
20 * 20 *
21 */ 21 */
22 22
23#include <linux/init.h>
23#include <asm/asmmacro.h> 24#include <asm/asmmacro.h>
24#include <asm/asm-offsets.h> 25#include <asm/asm-offsets.h>
26#include <asm/paravirt_privop.h>
27#include <asm/paravirt_patch.h>
25#include "entry.h" 28#include "entry.h"
26 29
27#define DATA8(sym, init_value) \ 30#define DATA8(sym, init_value) \
@@ -32,32 +35,34 @@
32 data8 init_value ; \ 35 data8 init_value ; \
33 .popsection 36 .popsection
34 37
35#define BRANCH(targ, reg, breg) \ 38#define BRANCH(targ, reg, breg, type) \
36 movl reg=targ ; \ 39 PARAVIRT_PATCH_SITE_BR(PARAVIRT_PATCH_TYPE_BR_ ## type) ; \
37 ;; \ 40 ;; \
38 ld8 reg=[reg] ; \ 41 movl reg=targ ; \
39 ;; \ 42 ;; \
40 mov breg=reg ; \ 43 ld8 reg=[reg] ; \
44 ;; \
45 mov breg=reg ; \
41 br.cond.sptk.many breg 46 br.cond.sptk.many breg
42 47
43#define BRANCH_PROC(sym, reg, breg) \ 48#define BRANCH_PROC(sym, reg, breg, type) \
44 DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \ 49 DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \
45 GLOBAL_ENTRY(paravirt_ ## sym) ; \ 50 GLOBAL_ENTRY(paravirt_ ## sym) ; \
46 BRANCH(paravirt_ ## sym ## _targ, reg, breg) ; \ 51 BRANCH(paravirt_ ## sym ## _targ, reg, breg, type) ; \
47 END(paravirt_ ## sym) 52 END(paravirt_ ## sym)
48 53
49#define BRANCH_PROC_UNWINFO(sym, reg, breg) \ 54#define BRANCH_PROC_UNWINFO(sym, reg, breg, type) \
50 DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \ 55 DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \
51 GLOBAL_ENTRY(paravirt_ ## sym) ; \ 56 GLOBAL_ENTRY(paravirt_ ## sym) ; \
52 PT_REGS_UNWIND_INFO(0) ; \ 57 PT_REGS_UNWIND_INFO(0) ; \
53 BRANCH(paravirt_ ## sym ## _targ, reg, breg) ; \ 58 BRANCH(paravirt_ ## sym ## _targ, reg, breg, type) ; \
54 END(paravirt_ ## sym) 59 END(paravirt_ ## sym)
55 60
56 61
57BRANCH_PROC(switch_to, r22, b7) 62BRANCH_PROC(switch_to, r22, b7, SWITCH_TO)
58BRANCH_PROC_UNWINFO(leave_syscall, r22, b7) 63BRANCH_PROC_UNWINFO(leave_syscall, r22, b7, LEAVE_SYSCALL)
59BRANCH_PROC(work_processed_syscall, r2, b7) 64BRANCH_PROC(work_processed_syscall, r2, b7, WORK_PROCESSED_SYSCALL)
60BRANCH_PROC_UNWINFO(leave_kernel, r22, b7) 65BRANCH_PROC_UNWINFO(leave_kernel, r22, b7, LEAVE_KERNEL)
61 66
62 67
63#ifdef CONFIG_MODULES 68#ifdef CONFIG_MODULES
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 865af27c7737..4ed3e1c117e7 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -52,6 +52,7 @@
52#include <asm/meminit.h> 52#include <asm/meminit.h>
53#include <asm/page.h> 53#include <asm/page.h>
54#include <asm/paravirt.h> 54#include <asm/paravirt.h>
55#include <asm/paravirt_patch.h>
55#include <asm/patch.h> 56#include <asm/patch.h>
56#include <asm/pgtable.h> 57#include <asm/pgtable.h>
57#include <asm/processor.h> 58#include <asm/processor.h>
@@ -537,6 +538,7 @@ setup_arch (char **cmdline_p)
537 paravirt_arch_setup_early(); 538 paravirt_arch_setup_early();
538 539
539 ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist); 540 ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
541 paravirt_patch_apply();
540 542
541 *cmdline_p = __va(ia64_boot_param->command_line); 543 *cmdline_p = __va(ia64_boot_param->command_line);
542 strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE); 544 strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 21:55:24 -0500