[Qemu-devel] [PATCH 5/5] hw/arm/virt: Enable TZ extensions on the GIC if we are using them

[Peter Maydell <peter.maydell@linaro.org>]

If we're creating a board with support for TrustZone, then enable
it on the GIC model as well as on the CPUs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/virt.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 4846892..084a551 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -360,7 +360,7 @@ static void create_v2m(VirtBoardInfo *vbi, qemu_irq *pic)
     fdt_add_v2m_gic_node(vbi);
 }
 
-static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic)
+static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic, bool secure)
 {
     /* We create a standalone GIC v2 */
     DeviceState *gicdev;
@@ -379,6 +379,9 @@ static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic)
      * interrupts; there are always 32 of the former (mandated by GIC spec).
      */
     qdev_prop_set_uint32(gicdev, "num-irq", NUM_IRQS + 32);
+    if (!kvm_irqchip_in_kernel()) {
+        qdev_prop_set_bit(gicdev, "has-security-extensions", secure);
+    }
     qdev_init_nofail(gicdev);
     gicbusdev = SYS_BUS_DEVICE(gicdev);
     sysbus_mmio_map(gicbusdev, 0, vbi->memmap[VIRT_GIC_DIST].base);
@@ -875,7 +878,7 @@ static void machvirt_init(MachineState *machine)
 
     create_flash(vbi);
 
-    create_gic(vbi, pic);
+    create_gic(vbi, pic, vms->secure);
 
     create_uart(vbi, pic);
 
-- 
1.9.1