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| author | Paul Mackerras <paulus@ozlabs.org> | 2017-03-22 13:02:08 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2017-04-20 03:39:50 +0300 |
| commit | 307d927967007acef98cfd3f0639c7a4bf234ede (patch) | |
| tree | 1e79c7a93f74499beb5d848c8ea2af529522ad18 /arch/powerpc/kvm | |
| parent | f7b1a77d3bfbdc7e91a1e48e0a3dc10e7d890e04 (diff) | |
| download | linux-307d927967007acef98cfd3f0639c7a4bf234ede.tar.xz | |
KVM: PPC: Provide functions for queueing up FP/VEC/VSX unavailable interrupts
This provides functions that can be used for generating interrupts
indicating that a given functional unit (floating point, vector, or
VSX) is unavailable. These functions will be used in instruction
emulation code.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 18 | ||||
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 5 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index b6b5c185bd92..0ff0d07c0757 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -197,6 +197,24 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags) } EXPORT_SYMBOL_GPL(kvmppc_core_queue_program); +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, 0); +} + +void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, 0); +} + +void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, 0); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 0514cbd4e533..3c296c2eacf8 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -300,6 +300,11 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong esr_flags) kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM); } +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_FP_UNAVAIL); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DECREMENTER); |