From ea828ebf59f5b56e7261bfaeb94393c9dcb86260 Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Fri, 26 Jul 2013 15:04:06 +0200 Subject: KVM: s390: Add helper function for setting condition code Introduced a helper function for setting the CC in the guest PSW to improve the readability of the code. Signed-off-by: Thomas Huth Signed-off-by: Christian Borntraeger Signed-off-by: Paolo Bonzini --- arch/s390/kvm/kvm-s390.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/s390/kvm/kvm-s390.h') diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index faa4df6..dc99f1c 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -115,6 +115,13 @@ static inline u64 kvm_s390_get_base_disp_rs(struct kvm_vcpu *vcpu) return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; } +/* Set the condition code in the guest program status word */ +static inline void kvm_s390_set_psw_cc(struct kvm_vcpu *vcpu, unsigned long cc) +{ + vcpu->arch.sie_block->gpsw.mask &= ~(3UL << 44); + vcpu->arch.sie_block->gpsw.mask |= cc << 44; +} + int kvm_s390_handle_wait(struct kvm_vcpu *vcpu); enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer); void kvm_s390_tasklet(unsigned long parm); -- cgit v1.1