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KVM: ia64: Fix: Use correct calling convention for PAL_VPS_RESUME_HANDLER

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PAL_VPS_RESUME_HANDLER should use r26 to hold vac fields according to SDM.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiantao Zhang 2008-11-21 10:56:08 +08:00 committed by Avi Kivity
parent 547567c677
commit ce50b91d0f
1 changed files with 7 additions and 4 deletions
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11
arch/ia64/kvm/optvfault.S
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@ -107,10 +107,10 @@ END(kvm_vps_resume_normal)
GLOBAL_ENTRY(kvm_vps_resume_handler)
movl r30 = PAL_VPS_RESUME_HANDLER
;;
ld8 r27=[r25]
ld8 r26=[r25]
shr r17=r17,IA64_ISR_IR_BIT
;;
dep r27=r17,r27,63,1 // bit 63 of r27 indicate whether enable CFLE
dep r26=r17,r26,63,1 // bit 63 of r26 indicate whether enable CFLE
mov pr=r23,-2
br.sptk.many kvm_vps_entry
END(kvm_vps_resume_handler)
@ -894,12 +894,15 @@ ENTRY(kvm_resume_to_guest)
;;
ld8 r19=[r19]
mov b0=r29
cmp.ne p6,p7 = r0,r0
mov r27=cr.isr
;;
tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic
tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p7=vpsr.ic
shr r27=r27,IA64_ISR_IR_BIT
;;
(p6) ld8 r26=[r25]
(p7) mov b0=r28
;;
(p6) dep r26=r27,r26,63,1
mov pr=r31,-2
br.sptk.many b0 // call pal service
;;