List all possible valid CPU options.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---

V4:
 - Remove spaces
V3:
 - Make variable static
V2:
 - Fixup alignment

 hw/arm/xilinx_zynq.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 1836a4ed45..4005230847 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -313,6 +313,11 @@ static void zynq_init(MachineState *machine)
     arm_load_kernel(ARM_CPU(first_cpu), &zynq_binfo);
 }
 
+static const char *xlnx_zynq_7000_valid_cpus[] = {
+    ARM_CPU_TYPE_NAME("cortex-a9"),
+    NULL
+};
+
 static void zynq_machine_init(MachineClass *mc)
 {
     mc->desc = "Xilinx Zynq Platform Baseboard for Cortex-A9";
@@ -321,6 +326,7 @@ static void zynq_machine_init(MachineClass *mc)
     mc->no_sdcard = 1;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
+    mc->valid_cpu_types = xlnx_zynq_7000_valid_cpus;
 }
 
 DEFINE_MACHINE("xilinx-zynq-a9", zynq_machine_init)
-- 
2.14.1