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target/ppc: Fix timer register accessors when !KVM 

When the Timer Control and Timer Status registers are modified, avoid
calling the KVM backend when not available

Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2023-06-20 07:59:11 +02:00
parent 518f72ec4b
commit c4550e6e98
1 changed files with 12 additions and 0 deletions
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12
target/ppc/kvm.c
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@ -1728,6 +1728,10 @@ int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
.addr = (uintptr_t) &bits,
};
if (!kvm_enabled()) {
return 0;
}
return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &reg);
}
@ -1741,6 +1745,10 @@ int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
.addr = (uintptr_t) &bits,
};
if (!kvm_enabled()) {
return 0;
}
return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &reg);
}
@ -1755,6 +1763,10 @@ int kvmppc_set_tcr(PowerPCCPU *cpu)
.addr = (uintptr_t) &tcr,
};
if (!kvm_enabled()) {
return 0;
}
return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &reg);
}