[Qemu-devel] [PATCH v2 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(+)

diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index fa8d217295b9..b1d1949d24e2 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -8399,6 +8399,7 @@ void cpu_ppc_set_papr(PowerPCCPU *cpu)
 {
     CPUPPCState *env = &cpu->env;
     ppc_spr_t *lpcr = &env->spr_cb[SPR_LPCR];
+    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.
@@ -8420,6 +8421,9 @@ void cpu_ppc_set_papr(PowerPCCPU *cpu)
      */
     env->spr[SPR_LPCR] = lpcr->default_value;
 
+    /* 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);
-- 
2.1.4