diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-05-12 17:04:06 +0530 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 14:26:25 +0200 |
| commit | ddca156ae6bafc0c6af61805bfe4b37440448a4c (patch) | |
| tree | dca98cfc431c64d2b5a5a5b68e6f53df3a27f1c3 /arch/powerpc/kvm/book3s_emulate.c | |
| parent | 7310f3a5b0ecc7ac8b57e70fe395968cbe0fc40a (diff) | |
KVM: PPC: BOOK3S: Remove open coded make_dsisr in alignment handler
Use make_dsisr instead of open coding it. This also have
the added benefit of handling alignment interrupt on additional
instructions.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s_emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_emulate.c | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index 61f38eb470b3..c9924475368f 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -634,44 +634,7 @@ unprivileged: u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst) { - u32 dsisr = 0; - - /* - * This is what the spec says about DSISR bits (not mentioned = 0): - * - * 12:13 [DS] Set to bits 30:31 - * 15:16 [X] Set to bits 29:30 - * 17 [X] Set to bit 25 - * [D/DS] Set to bit 5 - * 18:21 [X] Set to bits 21:24 - * [D/DS] Set to bits 1:4 - * 22:26 Set to bits 6:10 (RT/RS/FRT/FRS) - * 27:31 Set to bits 11:15 (RA) - */ - - switch (get_op(inst)) { - /* D-form */ - case OP_LFS: - case OP_LFD: - case OP_STFD: - case OP_STFS: - dsisr |= (inst >> 12) & 0x4000; /* bit 17 */ - dsisr |= (inst >> 17) & 0x3c00; /* bits 18:21 */ - break; - /* X-form */ - case 31: - dsisr |= (inst << 14) & 0x18000; /* bits 15:16 */ - dsisr |= (inst << 8) & 0x04000; /* bit 17 */ - dsisr |= (inst << 3) & 0x03c00; /* bits 18:21 */ - break; - default: - printk(KERN_INFO "KVM: Unaligned instruction 0x%x\n", inst); - break; - } - - dsisr |= (inst >> 16) & 0x03ff; /* bits 22:31 */ - - return dsisr; + return make_dsisr(inst); } ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst) |