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authorCornelia Huck <cornelia.huck@de.ibm.com>2012-12-20 15:32:07 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2013-01-07 19:53:38 -0200
commitb1c571a50dfacf25a24c23271e9b8bf18ff6b102 (patch)
treeca6408076537bab63fd2b7e9df890f1a524c14a3 /arch/s390/kvm/sigp.c
parent77975357956c6450dd7ac3dfe572c1a8f0014c54 (diff)
downloadlinux-b1c571a50dfacf25a24c23271e9b8bf18ff6b102.tar.bz2
KVM: s390: Decoding helper functions.
Introduce helper functions for decoding the various base/displacement instruction formats. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r--arch/s390/kvm/sigp.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 566ddf6e8dfb..461e84179db1 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -324,8 +324,6 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
{
int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
int r3 = vcpu->arch.sie_block->ipa & 0x000f;
- int base2 = vcpu->arch.sie_block->ipb >> 28;
- int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16);
u32 parameter;
u16 cpu_addr = vcpu->run->s.regs.gprs[r3];
u8 order_code;
@@ -336,9 +334,7 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
return kvm_s390_inject_program_int(vcpu,
PGM_PRIVILEGED_OPERATION);
- order_code = disp2;
- if (base2)
- order_code += vcpu->run->s.regs.gprs[base2];
+ order_code = kvm_s390_get_base_disp_rs(vcpu);
if (r1 % 2)
parameter = vcpu->run->s.regs.gprs[r1];