From: Alexander Graf Date: Mon, 20 Sep 2021 20:39:31 +0000 (+0200) Subject: allwinner-h3: Switch to SMC as PSCI conduit X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=01e75d87834a5188f98defa2d1f88b69dca7e9a0;p=qemu.git allwinner-h3: Switch to SMC as PSCI conduit The Allwinner H3 SoC uses Cortex-A7 cores which support virtualization. However, today we are configuring QEMU to use HVC as PSCI conduit. That means HVC calls get trapped into QEMU instead of the guest's own emulated CPU and thus break the guest's ability to execute virtualization. Fix this by moving to SMC as conduit, freeing up HYP completely to the VM. Signed-off-by: Alexander Graf Message-id: 20210920203931.66527-1-agraf@csgraf.de Fixes: 740dafc0ba0 ("hw/arm: add Allwinner H3 System-on-Chip") Reviewed-by: Niek Linnenbank Tested-by: Niek Linnenbank Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Peter Maydell --- diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c index 27f1070145..f9b7ed1871 100644 --- a/hw/arm/allwinner-h3.c +++ b/hw/arm/allwinner-h3.c @@ -237,7 +237,7 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp) /* Provide Power State Coordination Interface */ qdev_prop_set_int32(DEVICE(&s->cpus[i]), "psci-conduit", - QEMU_PSCI_CONDUIT_HVC); + QEMU_PSCI_CONDUIT_SMC); /* Disable secondary CPUs */ qdev_prop_set_bit(DEVICE(&s->cpus[i]), "start-powered-off",