arm-autonomy: Moved dynamic-layers/meta-gem5 to meta-gem5

Gem5 xen support in meta-arm-autonomy moved to meta-gem5 under
dynamic-layers/meta-virtualization. Any dependencies on 'arm-autonomy-host'
or 'arm-autonomy-guest' in DISTRO_FEATURES replaced with 'xen'.

Issue-Id: SCM-2091
Signed-off-by: Nathan Dunne <Nathan.Dunne@arm.com>
Change-Id: Ia2db68e2cd88c4277e8edc213aebb88d90c0cd23
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-gem5/dynamic-layers/meta-virtualization/recipes-kernel/linux/linux-%.bbappend

@@ -0,0 +1,14 @@
+FILESEXTRAPATHS_prepend_gem5-arm64 := "${THISDIR}:"
+
+#
+# virtualization kmeta extra
+#
+SRC_URI_append_gem5-arm64 = " file://virtualization-kmeta-extra-gem5;type=kmeta;name=virtualization-kmeta-extra-gem5;destsuffix=virtualization-kmeta-extra-gem5"
+
+# We need to turn off SVE support in the Linux kernel otherwise Xen is stopping
+# Linux kernel with a coredump while trying to access XEN bit of CPACR1 core
+# register.
+LINUX_VIRTUALIZATION_DISABLE_ARM64_SVE_gem5-arm64 = "${@bb.utils.contains('DISTRO_FEATURES', \
+                                         'xen', ' features/disable-arm64-sve.scc','',d)}"
+
+KERNEL_FEATURES_append_gem5-arm64 = "${LINUX_VIRTUALIZATION_DISABLE_ARM64_SVE}"

meta-gem5/dynamic-layers/meta-virtualization/recipes-kernel/linux/virtualization-kmeta-extra-gem5/features/disable-arm64-sve.cfg

@@ -0,0 +1,4 @@
+# We need to turn off SVE support in the Linux kernel otherwise Xen is stopping
+# Linux kernel with a coredump while trying to access ZEN bit of CPACR1 core
+# register.
+# CONFIG_ARM64_SVE is not set

meta-gem5/dynamic-layers/meta-virtualization/recipes-kernel/linux/virtualization-kmeta-extra-gem5/features/disable-arm64-sve.scc

@@ -0,0 +1,3 @@
+define KFEATURE_DESCRIPTION "Disable SVE support"
+
+kconf non-hardware disable-arm64-sve.cfg