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-rw-r--r--arch/parisc/kernel/entry.S40
1 files changed, 7 insertions, 33 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 293ba44f40a3..6337adef30f6 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -364,32 +364,6 @@
364 .align 32 364 .align 32
365 .endm 365 .endm
366 366
367 /* The following are simple 32 vs 64 bit instruction
368 * abstractions for the macros */
369 .macro EXTR reg1,start,length,reg2
370#ifdef CONFIG_64BIT
371 extrd,u \reg1,32+(\start),\length,\reg2
372#else
373 extrw,u \reg1,\start,\length,\reg2
374#endif
375 .endm
376
377 .macro DEP reg1,start,length,reg2
378#ifdef CONFIG_64BIT
379 depd \reg1,32+(\start),\length,\reg2
380#else
381 depw \reg1,\start,\length,\reg2
382#endif
383 .endm
384
385 .macro DEPI val,start,length,reg
386#ifdef CONFIG_64BIT
387 depdi \val,32+(\start),\length,\reg
388#else
389 depwi \val,\start,\length,\reg
390#endif
391 .endm
392
393 /* In LP64, the space contains part of the upper 32 bits of the 367 /* In LP64, the space contains part of the upper 32 bits of the
394 * fault. We have to extract this and place it in the va, 368 * fault. We have to extract this and place it in the va,
395 * zeroing the corresponding bits in the space register */ 369 * zeroing the corresponding bits in the space register */
@@ -442,19 +416,19 @@
442 */ 416 */
443 .macro L2_ptep pmd,pte,index,va,fault 417 .macro L2_ptep pmd,pte,index,va,fault
444#if PT_NLEVELS == 3 418#if PT_NLEVELS == 3
445 EXTR \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index 419 extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index
446#else 420#else
447 EXTR \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index 421 extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
448#endif 422#endif
449 DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ 423 dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
450 copy %r0,\pte 424 copy %r0,\pte
451 ldw,s \index(\pmd),\pmd 425 ldw,s \index(\pmd),\pmd
452 bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault 426 bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault
453 DEP %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ 427 dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
454 copy \pmd,%r9 428 copy \pmd,%r9
455 SHLREG %r9,PxD_VALUE_SHIFT,\pmd 429 SHLREG %r9,PxD_VALUE_SHIFT,\pmd
456 EXTR \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index 430 extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index
457 DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ 431 dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
458 shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd 432 shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd
459 LDREG %r0(\pmd),\pte /* pmd is now pte */ 433 LDREG %r0(\pmd),\pte /* pmd is now pte */
460 bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault 434 bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault
@@ -605,7 +579,7 @@
605 depdi 0,31,32,\tmp 579 depdi 0,31,32,\tmp
606#endif 580#endif
607 copy \va,\tmp1 581 copy \va,\tmp1
608 DEPI 0,31,23,\tmp1 582 depi 0,31,23,\tmp1
609 cmpb,COND(<>),n \tmp,\tmp1,\fault 583 cmpb,COND(<>),n \tmp,\tmp1,\fault
610 ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot 584 ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot
611 depd,z \prot,8,7,\prot 585 depd,z \prot,8,7,\prot