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KVM: PPC: Add support for FPU/Altivec/VSX

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When our guest starts using either the FPU, Altivec or VSX we need to make
sure Linux knows about it and sneak into its process switching code
accordingly.

This patch makes accesses to the above parts of the system work inside the
VM.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf
2010-01-15 14:49:11 +01:00
committed by Marcelo Tosatti
parent d5e528136c
commit 180a34d2d3
2 changed files with 201 additions and 6 deletions
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14
arch/powerpc/include/asm/kvm_host.h
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@ -172,9 +172,20 @@ struct kvm_vcpu_arch {
struct kvmppc_mmu mmu;
#endif
u64 fpr[32];
ulong gpr[32];
u64 fpr[32];
u32 fpscr;
#ifdef CONFIG_ALTIVEC
vector128 vr[32];
vector128 vscr;
#endif
#ifdef CONFIG_VSX
u64 vsr[32];
#endif
ulong pc;
ulong ctr;
ulong lr;
@ -188,6 +199,7 @@ struct kvm_vcpu_arch {
#ifdef CONFIG_PPC64
ulong shadow_msr;
ulong hflags;
ulong guest_owned_ext;
#endif
u32 mmucr;
ulong sprg0;