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ppc: Initialize AMOR in PAPR mode 

Make sure we give the guest full authorization

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2016-03-21 13:52:36 +01:00 committed by David Gibson
parent 21a558bed9
commit 6a9c4ef452
1 changed files with 4 additions and 0 deletions
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4
target-ppc/translate_init.c
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@ -8398,6 +8398,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
void cpu_ppc_set_papr(PowerPCCPU *cpu)
{
CPUPPCState *env = &cpu->env;
ppc_spr_t *amor = &env->spr_cb[SPR_AMOR];
/* PAPR always has exception vectors in RAM not ROM. To ensure this,
* MSR[IP] should never be set.
@ -8406,6 +8407,9 @@ void cpu_ppc_set_papr(PowerPCCPU *cpu)
*/
env->msr_mask &= ~((1ull << MSR_EP) | MSR_HVB);
/* Set a full AMOR so guest can use the AMR as it sees fit */
env->spr[SPR_AMOR] = amor->default_value = 0xffffffffffffffffull;
/* Tell KVM that we're in PAPR mode */
if (kvm_enabled()) {
kvmppc_set_papr(cpu);