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authorJames Hogan <james.hogan@imgtec.com>2016-02-03 17:16:53 +0000
committerLeon Alrae <leon.alrae@imgtec.com>2016-02-26 08:59:17 +0000
commitbee62662a312b99b4418b558a99b3963a4cbff07 (patch)
treed3319a71d82f4a6535955cc51d4116dc209e317a /disas
parent152db36ae63c70adc95afc3228f858ef6369519a (diff)
mips/kvm: Support MSA in MIPS KVM guests
Support the new KVM_CAP_MIPS_MSA capability, which allows MIPS SIMD Architecture (MSA) to be exposed to the KVM guest. The capability is enabled if the guest core has MSA according to its Config3 register. Various config bits are now writeable so that KVM is aware of the configuration (Config3.MSAP) and so that QEMU can save/restore the guest modifiable bits (Config5.MSAEn). The MSACSR/MSAIR registers and the MSA vector registers are now saved/restored. Since the FP registers are a subset of the vector registers, they are omitted if the guest has MSA. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'disas')
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