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[PATCH] hw/arm/virt: Default enable the virtualization option(VHE) on A6


From: Shuuichirou Ishii
Subject: [PATCH] hw/arm/virt: Default enable the virtualization option(VHE) on A64FX
Date: Fri, 14 Jan 2022 16:24:37 +0900

At A64FX specification, VHE is enabled by default, so
the virtualization option should be enabled when -cpu a64fx
is specified.

Signed-off-by: Shuuichirou Ishii <ishii.shuuichir@fujitsu.com>
---
 hw/arm/virt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index b45b52c90e..56acf5cc7e 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1932,6 +1932,12 @@ static void machvirt_init(MachineState *machine)
     firmware_loaded = virt_firmware_init(vms, sysmem,
                                          secure_sysmem ?: sysmem);
 
+    /* A64FX proceesor is supported the ARMv8.1-VHE */
+    if (!vms->virt &&
+            !strncmp(machine->cpu_type, ARM_CPU_TYPE_NAME("a64fx"), 13)) {
+        vms->virt = true;
+    }
+
     /* If we have an EL3 boot ROM then the assumption is that it will
      * implement PSCI itself, so disable QEMU's internal implementation
      * so it doesn't get in the way. Instead of starting secondary
-- 
2.27.0




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