From 80765f0734e08fe4d52e9be10e0cfb47b3cf43e3 Mon Sep 17 00:00:00 2001 From: Frank Blaschka Date: Sat, 18 Oct 2014 06:24:12 +0200 Subject: s390x/kvm: Fix opcode decoding for eb instruction handler The second byte of the opcode is encoded in the lowest byte of the ipb field, not the lowest byte of the ipa field. Signed-off-by: Frank Blaschka Signed-off-by: Cornelia Huck Reviewed-by: Thomas Huth --- target-s390x/kvm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'target-s390x/kvm.c') diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 5b10a25..690cb71 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -827,18 +827,18 @@ static int handle_b9(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) return r; } -static int handle_eb(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) +static int handle_eb(S390CPU *cpu, struct kvm_run *run, uint8_t ipbl) { int r = 0; - switch (ipa1) { + switch (ipbl) { case PRIV_EB_SQBS: /* just inject exception */ r = -1; break; default: r = -1; - DPRINTF("KVM: unhandled PRIV: 0xeb%x\n", ipa1); + DPRINTF("KVM: unhandled PRIV: 0xeb%x\n", ipbl); break; } @@ -1039,7 +1039,7 @@ static int handle_instruction(S390CPU *cpu, struct kvm_run *run) r = handle_b9(cpu, run, ipa1); break; case IPA0_EB: - r = handle_eb(cpu, run, ipa1); + r = handle_eb(cpu, run, run->s390_sieic.ipb & 0xff); break; case IPA0_DIAG: r = handle_diag(cpu, run, run->s390_sieic.ipb); -- cgit v1.1