For the SBSA-REF machine start all APs in the powered-off state.
This reduces host CPU usage until PSCI_CPU_ON is called when the APs
are needed.
Signed-off-by: Rebecca Cran <rebe...@quicinc.com>
---
hw/arm/sbsa-ref.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
index 4bb444684f40..cf0af35c7807 100644
--- a/hw/arm/sbsa-ref.c
+++ b/hw/arm/sbsa-ref.c
@@ -753,6 +753,12 @@ static void sbsa_ref_init(MachineState *machine)
&error_abort);
}
+ /* Configure all APs to be powered off at start */
+ if (n != 0 && object_property_find(cpuobj, "start-powered-off")) {
+ object_property_set_bool(cpuobj, "start-powered-off",
+ true, &error_abort);
+ }
+
object_property_set_link(cpuobj, "memory", OBJECT(sysmem),
&error_abort);
--
2.30.2
