[PATCH 1 of 3] KVM: PPC: initialize IVORs in addition to IVPR

hollis_blanchard
2010-08-07T17:34:09Z

Developers can now tell at a glace the exact type of the premature interrupt,
instead of just knowing that there was some premature interrupt.

Signed-off-by: Hollis Blanchard <hollis_blanchard@mentor.com>

---
arch/powerpc/kvm/booke.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -466,15 +466,19 @@ int kvmppc_handle_exit(struct kvm_run *r
/* Initial guest state: 16MB mapping 0 -> 0, PC = 0, MSR = 0, R1 = 16MB */
int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
+ int i;
+
vcpu->arch.pc = 0;
vcpu->arch.msr = 0;
kvmppc_set_gpr(vcpu, 1, (16<<20) - 8); /* -8 for the callee-save LR slot */

vcpu->arch.shadow_pid = 1;

- /* Eye-catching number so we know if the guest takes an interrupt
- * before it's programmed its own IVPR. */
+ /* Eye-catching numbers so we know if the guest takes an interrupt
+ * before it's programmed its own IVPR/IVORs. */
vcpu->arch.ivpr = 0x55550000;
+ for (i = 0; i < BOOKE_IRQPRIO_MAX; i++)
+ vcpu->arch.ivor[i] = 0x7700 | i * 4;

kvmppc_init_timing_stats(vcpu);