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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-03-21 13:52:36 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2016-03-24 11:17:34 +1100
commit6a9c4ef452c98060e919aa49db49c09ed8c37745 (patch)
tree5daedb19a576cc1a4ec29c5a30bd203f28a2360e /target-ppc/translate_init.c
parent21a558bed91f363ea8fc3f9a95b222a0949c70e7 (diff)
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>
Diffstat (limited to 'target-ppc/translate_init.c')
-rw-r--r--target-ppc/translate_init.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 3a13ad7f90..5125743ae0 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -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);