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-rw-r--r--hw/ppc/ppc.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index 1bcf740f0e..e4252528a6 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -699,9 +699,18 @@ static inline void cpu_ppc_decr_lower(PowerPCCPU *cpu)
static inline void cpu_ppc_hdecr_excp(PowerPCCPU *cpu)
{
+ CPUPPCState *env = &cpu->env;
+
/* Raise it */
- LOG_TB("raise decrementer exception\n");
- ppc_set_irq(cpu, PPC_INTERRUPT_HDECR, 1);
+ LOG_TB("raise hv decrementer exception\n");
+
+ /* The architecture specifies that we don't deliver HDEC
+ * interrupts in a PM state. Not only they don't cause a
+ * wakeup but they also get effectively discarded.
+ */
+ if (!env->in_pm_state) {
+ ppc_set_irq(cpu, PPC_INTERRUPT_HDECR, 1);
+ }
}
static inline void cpu_ppc_hdecr_lower(PowerPCCPU *cpu)
@@ -928,9 +937,7 @@ clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq)
}
/* Create new timer */
tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_ppc_decr_cb, cpu);
- if (0) {
- /* XXX: find a suitable condition to enable the hypervisor decrementer
- */
+ if (env->has_hv_mode) {
tb_env->hdecr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_ppc_hdecr_cb,
cpu);
} else {