hw/arm/virt: target-arm: Add A64FX processor support to virt machine

Add -cpu a64fx to use A64FX processor when -machine virt option is
specified.  In addition, add a64fx to the Supported guest CPU types
in the virt.rst document.

Signed-off-by: Shuuichirou Ishii <ishii.shuuichir@fujitsu.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

docs/system/arm/virt.rst

@@ -55,6 +55,7 @@ Supported guest CPU types:
 - ``cortex-a53`` (64-bit)
 - ``cortex-a57`` (64-bit)
 - ``cortex-a72`` (64-bit)
+- ``a64fx`` (64-bit)
 - ``host`` (with KVM only)
 - ``max`` (same as ``host`` for KVM; best possible emulation with TCG)
 

hw/arm/virt.c

@@ -200,6 +200,7 @@ static const char *valid_cpus[] = {
     ARM_CPU_TYPE_NAME("cortex-a53"),
     ARM_CPU_TYPE_NAME("cortex-a57"),
     ARM_CPU_TYPE_NAME("cortex-a72"),
+    ARM_CPU_TYPE_NAME("a64fx"),
     ARM_CPU_TYPE_NAME("host"),
     ARM_CPU_TYPE_NAME("max"),
 };