diff options
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/ivt.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S index b28d2212a77..3bb3a13c404 100644 --- a/arch/ia64/kernel/ivt.S +++ b/arch/ia64/kernel/ivt.S @@ -1243,6 +1243,25 @@ END(disabled_fp_reg) // 0x5600 Entry 26 (size 16 bundles) Nat Consumption (11,23,37,50) ENTRY(nat_consumption) DBG_FAULT(26) + + mov r16=cr.ipsr + mov r17=cr.isr + mov r31=pr // save PR + ;; + and r18=0xf,r17 // r18 = cr.ipsr.code{3:0} + tbit.z p6,p0=r17,IA64_ISR_NA_BIT + ;; + cmp.ne.or p6,p0=IA64_ISR_CODE_LFETCH,r18 + dep r16=-1,r16,IA64_PSR_ED_BIT,1 +(p6) br.cond.spnt 1f // branch if (cr.ispr.na == 0 || cr.ipsr.code{3:0} != LFETCH) + ;; + mov cr.ipsr=r16 // set cr.ipsr.na + mov pr=r31,-1 + ;; + rfi + +1: mov pr=r31,-1 + ;; FAULT(26) END(nat_consumption) |