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MIPS: KVM: Implement PRid CP0 register access

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Implement access to the guest Processor Identification CP0 register
using the KVM_GET_ONE_REG and KVM_SET_ONE_REG ioctls. This allows the
owning process to modify and read back the value that is exposed to the
guest in this register.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
This commit is contained in:
James Hogan
2014-06-26 13:56:52 +01:00
parent 0a5604272d
commit 1068eaaf2f
3 changed files with 9 additions and 0 deletions
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Documentation/virtual/kvm/api.txt
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@@ -1967,6 +1967,7 @@ registers, find a list below:
MIPS | KVM_REG_MIPS_CP0_STATUS | 32
MIPS | KVM_REG_MIPS_CP0_CAUSE | 32
MIPS | KVM_REG_MIPS_CP0_EPC | 64
MIPS | KVM_REG_MIPS_CP0_PRID | 32
MIPS | KVM_REG_MIPS_CP0_CONFIG | 32
MIPS | KVM_REG_MIPS_CP0_CONFIG1 | 32
MIPS | KVM_REG_MIPS_CP0_CONFIG2 | 32