[Qemu-devel] [PATCH v3 06/10] ppc: Initialize AMOR in PAPR mode

[Cédric Le Goater]

From: Benjamin Herrenschmidt <address@hidden>

Make sure we give the guest full authorization

Signed-off-by: Benjamin Herrenschmidt <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Reviewed-by: David Gibson <address@hidden>
---
 target-ppc/translate_init.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: qemu-dgibson-for-2.6.git/target-ppc/translate_init.c
===================================================================
--- qemu-dgibson-for-2.6.git.orig/target-ppc/translate_init.c
+++ qemu-dgibson-for-2.6.git/target-ppc/translate_init.c
@@ -8398,6 +8398,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc,
 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);