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authorJames Hogan <james.hogan@imgtec.com>2016-07-04 21:35:13 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2016-07-05 17:09:17 +0300
commit5cc4aafced42d7ece3d20650bf6ca2a165e6fca3 (patch)
tree7ab1bb01e023111e7629da7367214de58727fdfe /arch/mips/kvm/dyntrans.c
parent2e0badfaac234ef3ed6b5397ff208d218cd450fb (diff)
downloadlinux-5cc4aafced42d7ece3d20650bf6ca2a165e6fca3.tar.xz
MIPS: KVM: Recognise r6 CACHE encoding
Recognise the new MIPSr6 CACHE instruction encoding rather than the pre-r6 one when an r6 kernel is being built. A SPECIAL3 opcode is used and the immediate field is reduced to 9 bits wide since MIPSr6. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim KrÄmář <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/kvm/dyntrans.c')
-rw-r--r--arch/mips/kvm/dyntrans.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/kvm/dyntrans.c b/arch/mips/kvm/dyntrans.c
index 8a1833b9eb38..91ebd2b6034f 100644
--- a/arch/mips/kvm/dyntrans.c
+++ b/arch/mips/kvm/dyntrans.c
@@ -72,7 +72,10 @@ int kvm_mips_trans_cache_va(union mips_instruction inst, u32 *opc,
synci_inst.i_format.opcode = bcond_op;
synci_inst.i_format.rs = inst.i_format.rs;
synci_inst.i_format.rt = synci_op;
- synci_inst.i_format.simmediate = inst.i_format.simmediate;
+ if (cpu_has_mips_r6)
+ synci_inst.i_format.simmediate = inst.spec3_format.simmediate;
+ else
+ synci_inst.i_format.simmediate = inst.i_format.simmediate;
return kvm_mips_trans_replace(vcpu, opc, synci_inst);
}