diff options
Diffstat (limited to 'bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux')
3 files changed, 24 insertions, 0 deletions
diff --git a/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/disable-arm64-sve.cfg b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/disable-arm64-sve.cfg new file mode 100644 index 00000000..7e87cab4 --- /dev/null +++ b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/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 diff --git a/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/disable-arm64-sve.scc b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/disable-arm64-sve.scc new file mode 100644 index 00000000..6bc769cc --- /dev/null +++ b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/arm-autonomy-kmeta-extra/features/arm-autonomy/disable-arm64-sve.scc @@ -0,0 +1,3 @@ +define KFEATURE_DESCRIPTION "Disable SVE support" + +kconf non-hardware disable-arm64-sve.cfg diff --git a/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend new file mode 100644 index 00000000..189645af --- /dev/null +++ b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend @@ -0,0 +1,17 @@ +FILESEXTRAPATHS_prepend := "${THISDIR}:" + +# +# arm-autonomy kmeta extra +# +SRC_URI_append = " file://arm-autonomy-kmeta-extra;type=kmeta;name=arm-autonomy-kmeta-extra;destsuffix=arm-autonomy-kmeta-extra" + +# We need to turn off SVE support in the Linux kernel otherwise Xen is stopping +# Linux kernel with a coredump while trying to access XEN bit of CPACR1 core +# register. +LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE = "${@bb.utils.contains_any('DISTRO_FEATURES', \ + 'arm-autonomy-host arm-autonomy-guest', \ + ' features/arm-autonomy/disable-arm64-sve.scc','',d)}" + +KERNEL_FEATURES_append_gem5-arm64 = "${LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE}" +KERNEL_FEATURES_append_fvp-base = "${LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE}" +KERNEL_FEATURES_append_foundation-armv8 = "${LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE}" |