summary refs log tree commit diff stats
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/ppc_booke.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/ppc/ppc_booke.c b/hw/ppc/ppc_booke.c
index 3872ae2822..13403a56b1 100644
--- a/hw/ppc/ppc_booke.c
+++ b/hw/ppc/ppc_booke.c
@@ -352,7 +352,12 @@ void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags)
     booke_timer = g_new0(booke_timer_t, 1);
 
     cpu->env.tb_env = tb_env;
-    tb_env->flags = flags | PPC_TIMER_BOOKE | PPC_DECR_ZERO_TRIGGERED;
+    if (flags & PPC_TIMER_PPE) {
+        /* PPE's use a modified version of the booke behavior */
+        tb_env->flags = flags | PPC_DECR_UNDERFLOW_TRIGGERED;
+    } else {
+        tb_env->flags = flags | PPC_TIMER_BOOKE | PPC_DECR_ZERO_TRIGGERED;
+    }
 
     tb_env->tb_freq    = freq;
     tb_env->decr_freq  = freq;