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| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-03-14 14:18:01 -0600 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-03-14 14:18:01 -0600 |
| commit | f33b5d783b4f56be5ace6a1c98fb5f76b2d2d07d (patch) | |
| tree | b027b5f3429d416b3da5b9195024007dab062a5e /arch/ia64/kernel/ivt.S | |
| parent | e935d5da8e5d12fabe5b632736c50eae0427e8c8 (diff) | |
| parent | 67963132638e67ad3c5aa16765e6f3f2f3cdd85c (diff) | |
| download | kernel_samsung_smdk4412-f33b5d783b4f56be5ace6a1c98fb5f76b2d2d07d.zip kernel_samsung_smdk4412-f33b5d783b4f56be5ace6a1c98fb5f76b2d2d07d.tar.gz kernel_samsung_smdk4412-f33b5d783b4f56be5ace6a1c98fb5f76b2d2d07d.tar.bz2 | |
Merge ../linux-2.6
Diffstat (limited to 'arch/ia64/kernel/ivt.S')
| -rw-r--r-- | arch/ia64/kernel/ivt.S | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S index 301f2e9..dcd906f 100644 --- a/arch/ia64/kernel/ivt.S +++ b/arch/ia64/kernel/ivt.S @@ -561,11 +561,12 @@ ENTRY(dirty_bit) ;; // avoid RAW on r18 mov ar.ccv=r18 // set compare value for cmpxchg or r25=_PAGE_D|_PAGE_A,r18 // set the dirty and accessed bits + tbit.z p7,p6 = r18,_PAGE_P_BIT // Check present bit ;; - cmpxchg8.acq r26=[r17],r25,ar.ccv +(p6) cmpxchg8.acq r26=[r17],r25,ar.ccv // Only update if page is present mov r24=PAGE_SHIFT<<2 ;; - cmp.eq p6,p7=r26,r18 +(p6) cmp.eq p6,p7=r26,r18 // Only compare if page is present ;; (p6) itc.d r25 // install updated PTE ;; @@ -626,11 +627,12 @@ ENTRY(iaccess_bit) ;; mov ar.ccv=r18 // set compare value for cmpxchg or r25=_PAGE_A,r18 // set the accessed bit + tbit.z p7,p6 = r18,_PAGE_P_BIT // Check present bit ;; - cmpxchg8.acq r26=[r17],r25,ar.ccv +(p6) cmpxchg8.acq r26=[r17],r25,ar.ccv // Only if page present mov r24=PAGE_SHIFT<<2 ;; - cmp.eq p6,p7=r26,r18 +(p6) cmp.eq p6,p7=r26,r18 // Only if page present ;; (p6) itc.i r25 // install updated PTE ;; @@ -680,11 +682,12 @@ ENTRY(daccess_bit) ;; // avoid RAW on r18 mov ar.ccv=r18 // set compare value for cmpxchg or r25=_PAGE_A,r18 // set the dirty bit + tbit.z p7,p6 = r18,_PAGE_P_BIT // Check present bit ;; - cmpxchg8.acq r26=[r17],r25,ar.ccv +(p6) cmpxchg8.acq r26=[r17],r25,ar.ccv // Only if page is present mov r24=PAGE_SHIFT<<2 ;; - cmp.eq p6,p7=r26,r18 +(p6) cmp.eq p6,p7=r26,r18 // Only if page is present ;; (p6) itc.d r25 // install updated PTE /* @@ -1362,7 +1365,6 @@ END(debug_vector) // 0x5a00 Entry 30 (size 16 bundles) Unaligned Reference (57) ENTRY(unaligned_access) DBG_FAULT(30) - mov r16=cr.ipsr mov r31=pr // prepare to save predicates ;; br.sptk.many dispatch_unaligned_handler |