[meta-arm,v2] arm-autonomy: Move gem5-arm64 to dynamic-layers/meta-gem5

Submitted by Diego Sueiro on July 31, 2020, 11:12 a.m. | Patch ID: 174933

Details

Message ID 1596193925-20213-1-git-send-email-diego.sueiro@arm.com
State New
Headers show

Commit Message

Diego Sueiro July 31, 2020, 11:12 a.m.
Since gem5-arm64 machine implementation was moved from meta-arm-bsp to
meta-gem5, we need to move the specific machine settings to
meta-arm-autonomy/dynamic-layers/meta-gem5.

Change-Id: I773189e7e1ee2ca77e569dcec2d92ecfb93d3719
Issue-Id: SCM-1133
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
---
 meta-arm-autonomy/conf/layer.conf                  |  1 +
 ...ap-the-number-of-interrupt-lines-for-dom0.patch | 44 ----------------------
 .../recipes-extended/xen/xen_%.bbappend            |  5 ---
 .../xenguest/xenguest-network.bbappend             |  2 -
 .../recipes-kernel/linux/linux-%.bbappend          |  1 -
 .../boot-wrapper-aarch64_%.bbappend                |  0
 .../meta-gem5/recipes-extended/xen/xen_%.bbappend  |  2 +
 .../xenguest/xenguest-network.bbappend             |  1 +
 .../features/arm-autonomy/disable-arm64-sve.cfg    |  4 ++
 .../features/arm-autonomy/disable-arm64-sve.scc    |  3 ++
 .../recipes-kernel/linux/linux-%.bbappend          | 15 ++++++++
 11 files changed, 26 insertions(+), 52 deletions(-)
 delete mode 100644 meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
 rename meta-arm-autonomy/dynamic-layers/{meta-arm-bsp => meta-gem5}/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend (100%)
 create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
 create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
 create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg
 create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc
 create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend

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diff --git a/meta-arm-autonomy/conf/layer.conf b/meta-arm-autonomy/conf/layer.conf
index 5c13596..2b9e94d 100644
--- a/meta-arm-autonomy/conf/layer.conf
+++ b/meta-arm-autonomy/conf/layer.conf
@@ -31,4 +31,5 @@  USER_CLASSES_append = " arm-autonomy-features"
 
 BBFILES_DYNAMIC += " \
     meta-arm-bsp:${LAYERDIR}/dynamic-layers/meta-arm-bsp/*/*/*.bbappend \
+    meta-gem5:${LAYERDIR}/dynamic-layers/meta-gem5/*/*/*.bbappend \
 "
diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
deleted file mode 100644
index 792bc9e..0000000
--- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
+++ /dev/null
@@ -1,44 +0,0 @@ 
-From a41feccdb6c03f12bddb4fb650a0465f0ed6eeca Mon Sep 17 00:00:00 2001
-From: Lukas Juenger <juenger@ice.rwth-aachen.de>
-Date: Fri, 5 Apr 2019 15:54:04 +0200
-Subject: [PATCH] xen/arm: Cap the number of interrupt lines for dom0
-
-Dom0 vGIC will use the same number of interrupt lines as the hardware GIC.
-While the hardware GIC can support up to 1020 interrupt lines,
-the vGIC is only supporting up to 992 interrupt lines.
-This means that Xen will not be able to boot on platforms where the hardware
-GIC supports more than 992 interrupt lines.
-While it would make sense to increase the limits in the vGICs, this is not
-trivial because of the design choices.
-At the moment, only models seem to report the maximum of interrupt lines.
-They also do not have any interrupt wired above the 992 limit.
-So it should be fine to cap the number of interrupt lines for dom0 to 992 lines.
-
-Signed-off-by: Lukas Juenger <juenger@ice.rwth-aachen.de>
-Acked-by: Julien Grall <julien.grall@arm.com>
----
- xen/arch/arm/setup.c | 8 +++++++-
- 1 file changed, 7 insertions(+), 1 deletion(-)
-
-diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
-index 444857a967..ccb0f181ea 100644
---- a/xen/arch/arm/setup.c
-+++ b/xen/arch/arm/setup.c
-@@ -888,7 +888,13 @@ void __init start_xen(unsigned long boot_phys_offset,
-     /* Create initial domain 0. */
-     /* The vGIC for DOM0 is exactly emulating the hardware GIC */
-     dom0_cfg.arch.gic_version = XEN_DOMCTL_CONFIG_GIC_NATIVE;
--    dom0_cfg.arch.nr_spis = gic_number_lines() - 32;
-+    /*
-+     * Xen vGIC supports a maximum of 992 interrupt lines.
-+     * 32 are substracted to cover local IRQs.
-+     */
-+    dom0_cfg.arch.nr_spis = min(gic_number_lines(), (unsigned int) 992) - 32;
-+    if ( gic_number_lines() > 992 )
-+        printk(XENLOG_WARNING "Maximum number of vGIC IRQs exceeded.\n");
-     dom0_cfg.max_vcpus = dom0_max_vcpus();
- 
-     dom0 = domain_create(0, &dom0_cfg, true);
--- 
-2.17.1
-
diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
index bdcb75f..5e58ab1 100644
--- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
+++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
@@ -2,7 +2,6 @@  FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
 # Machine specific settings
 XEN_CONFIG_EARLY_PRINTK_juno = "juno"
-XEN_CONFIG_EARLY_PRINTK_gem5-arm64 = "vexpress"
 XEN_CONFIG_EARLY_PRINTK_fvp-base = "fastmodel"
 XEN_CONFIG_EARLY_PRINTK_foundation-armv8 = "fastmodel"
 XEN_CONFIG_EARLY_PRINTK_n1sdp = "pl011,0x2a400000"
@@ -22,10 +21,6 @@  COMPATIBLE_MACHINE_juno = "juno"
 
 SRC_URI_append_juno = " file://juno/defconfig"
 
-# Gem5 support
-# Fix problem with number of interrupts on gem5
-SRC_URI_append_gem5-arm64 = " file://4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch"
-
 # N1SDP support
 COMPATIBLE_MACHINE_n1sdp = "n1sdp"
 
diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
index de88cce..1efd7c6 100644
--- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
+++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
@@ -4,7 +4,5 @@  XENGUEST_NETWORK_BRIDGE_MEMBERS_fvp-base ?= "eth0"
 
 XENGUEST_NETWORK_BRIDGE_MEMBERS_foundation-armv8 ?= "eth0"
 
-XENGUEST_NETWORK_BRIDGE_MEMBERS_gem5-arm64 ?= "eth0"
-
 # Juno board has 2 network interfaces, add both of them to the bridge
 XENGUEST_NETWORK_BRIDGE_MEMBERS_juno ?= "eth0 eth1"
diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
index 189645a..5231f51 100644
--- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
+++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
@@ -12,6 +12,5 @@  LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE = "${@bb.utils.contains_any('DISTRO_FEATURE
                                          '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}"
diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
similarity index 100%
rename from meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
rename to meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
new file mode 100644
index 0000000..9e7ba45
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
@@ -0,0 +1,2 @@ 
+# Machine specific settings
+XEN_CONFIG_EARLY_PRINTK_gem5-arm64 = "vexpress"
diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
new file mode 100644
index 0000000..0283702
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
@@ -0,0 +1 @@ 
+XENGUEST_NETWORK_BRIDGE_MEMBERS_gem5-arm64 ?= "eth0"
diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg
new file mode 100644
index 0000000..7e87cab
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/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/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc
new file mode 100644
index 0000000..6bc769c
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/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/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend
new file mode 100644
index 0000000..0d0047a
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend
@@ -0,0 +1,15 @@ 
+FILESEXTRAPATHS_prepend_gem5-arm64 := "${THISDIR}:"
+
+#
+# arm-autonomy kmeta extra
+#
+SRC_URI_append_gem5-arm64 = " file://arm-autonomy-kmeta-extra-gem5;type=kmeta;name=arm-autonomy-kmeta-extra-gem5;destsuffix=arm-autonomy-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_ARM_AUTONOMY_DISABLE_ARM64_SVE_gem5-arm64 = "${@bb.utils.contains_any('DISTRO_FEATURES', \
+                                         'arm-autonomy-host arm-autonomy-guest', \
+                                         ' features/arm-autonomy/disable-arm64-sve.scc','',d)}"
+
+KERNEL_FEATURES_append_gem5-arm64 = "${LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE}"

Comments

Jon Mason July 31, 2020, 2:10 p.m.
On Fri, Jul 31, 2020 at 12:12:05PM +0100, Diego Sueiro wrote:
> Since gem5-arm64 machine implementation was moved from meta-arm-bsp to
> meta-gem5, we need to move the specific machine settings to
> meta-arm-autonomy/dynamic-layers/meta-gem5.
> 
> Change-Id: I773189e7e1ee2ca77e569dcec2d92ecfb93d3719
> Issue-Id: SCM-1133
> Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>

Pulled into master.

Thanks,
Jon

> ---
>  meta-arm-autonomy/conf/layer.conf                  |  1 +
>  ...ap-the-number-of-interrupt-lines-for-dom0.patch | 44 ----------------------
>  .../recipes-extended/xen/xen_%.bbappend            |  5 ---
>  .../xenguest/xenguest-network.bbappend             |  2 -
>  .../recipes-kernel/linux/linux-%.bbappend          |  1 -
>  .../boot-wrapper-aarch64_%.bbappend                |  0
>  .../meta-gem5/recipes-extended/xen/xen_%.bbappend  |  2 +
>  .../xenguest/xenguest-network.bbappend             |  1 +
>  .../features/arm-autonomy/disable-arm64-sve.cfg    |  4 ++
>  .../features/arm-autonomy/disable-arm64-sve.scc    |  3 ++
>  .../recipes-kernel/linux/linux-%.bbappend          | 15 ++++++++
>  11 files changed, 26 insertions(+), 52 deletions(-)
>  delete mode 100644 meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
>  rename meta-arm-autonomy/dynamic-layers/{meta-arm-bsp => meta-gem5}/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend (100%)
>  create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
>  create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
>  create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg
>  create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc
>  create mode 100644 meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend
> 
> diff --git a/meta-arm-autonomy/conf/layer.conf b/meta-arm-autonomy/conf/layer.conf
> index 5c13596..2b9e94d 100644
> --- a/meta-arm-autonomy/conf/layer.conf
> +++ b/meta-arm-autonomy/conf/layer.conf
> @@ -31,4 +31,5 @@ USER_CLASSES_append = " arm-autonomy-features"
>  
>  BBFILES_DYNAMIC += " \
>      meta-arm-bsp:${LAYERDIR}/dynamic-layers/meta-arm-bsp/*/*/*.bbappend \
> +    meta-gem5:${LAYERDIR}/dynamic-layers/meta-gem5/*/*/*.bbappend \
>  "
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
> deleted file mode 100644
> index 792bc9e..0000000
> --- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/files/4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch
> +++ /dev/null
> @@ -1,44 +0,0 @@
> -From a41feccdb6c03f12bddb4fb650a0465f0ed6eeca Mon Sep 17 00:00:00 2001
> -From: Lukas Juenger <juenger@ice.rwth-aachen.de>
> -Date: Fri, 5 Apr 2019 15:54:04 +0200
> -Subject: [PATCH] xen/arm: Cap the number of interrupt lines for dom0
> -
> -Dom0 vGIC will use the same number of interrupt lines as the hardware GIC.
> -While the hardware GIC can support up to 1020 interrupt lines,
> -the vGIC is only supporting up to 992 interrupt lines.
> -This means that Xen will not be able to boot on platforms where the hardware
> -GIC supports more than 992 interrupt lines.
> -While it would make sense to increase the limits in the vGICs, this is not
> -trivial because of the design choices.
> -At the moment, only models seem to report the maximum of interrupt lines.
> -They also do not have any interrupt wired above the 992 limit.
> -So it should be fine to cap the number of interrupt lines for dom0 to 992 lines.
> -
> -Signed-off-by: Lukas Juenger <juenger@ice.rwth-aachen.de>
> -Acked-by: Julien Grall <julien.grall@arm.com>
> ----
> - xen/arch/arm/setup.c | 8 +++++++-
> - 1 file changed, 7 insertions(+), 1 deletion(-)
> -
> -diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> -index 444857a967..ccb0f181ea 100644
> ---- a/xen/arch/arm/setup.c
> -+++ b/xen/arch/arm/setup.c
> -@@ -888,7 +888,13 @@ void __init start_xen(unsigned long boot_phys_offset,
> -     /* Create initial domain 0. */
> -     /* The vGIC for DOM0 is exactly emulating the hardware GIC */
> -     dom0_cfg.arch.gic_version = XEN_DOMCTL_CONFIG_GIC_NATIVE;
> --    dom0_cfg.arch.nr_spis = gic_number_lines() - 32;
> -+    /*
> -+     * Xen vGIC supports a maximum of 992 interrupt lines.
> -+     * 32 are substracted to cover local IRQs.
> -+     */
> -+    dom0_cfg.arch.nr_spis = min(gic_number_lines(), (unsigned int) 992) - 32;
> -+    if ( gic_number_lines() > 992 )
> -+        printk(XENLOG_WARNING "Maximum number of vGIC IRQs exceeded.\n");
> -     dom0_cfg.max_vcpus = dom0_max_vcpus();
> - 
> -     dom0 = domain_create(0, &dom0_cfg, true);
> --- 
> -2.17.1
> -
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
> index bdcb75f..5e58ab1 100644
> --- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
> +++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen/xen_%.bbappend
> @@ -2,7 +2,6 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
>  
>  # Machine specific settings
>  XEN_CONFIG_EARLY_PRINTK_juno = "juno"
> -XEN_CONFIG_EARLY_PRINTK_gem5-arm64 = "vexpress"
>  XEN_CONFIG_EARLY_PRINTK_fvp-base = "fastmodel"
>  XEN_CONFIG_EARLY_PRINTK_foundation-armv8 = "fastmodel"
>  XEN_CONFIG_EARLY_PRINTK_n1sdp = "pl011,0x2a400000"
> @@ -22,10 +21,6 @@ COMPATIBLE_MACHINE_juno = "juno"
>  
>  SRC_URI_append_juno = " file://juno/defconfig"
>  
> -# Gem5 support
> -# Fix problem with number of interrupts on gem5
> -SRC_URI_append_gem5-arm64 = " file://4.12.0/0001-xen-arm-Cap-the-number-of-interrupt-lines-for-dom0.patch"
> -
>  # N1SDP support
>  COMPATIBLE_MACHINE_n1sdp = "n1sdp"
>  
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
> index de88cce..1efd7c6 100644
> --- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
> +++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xenguest/xenguest-network.bbappend
> @@ -4,7 +4,5 @@ XENGUEST_NETWORK_BRIDGE_MEMBERS_fvp-base ?= "eth0"
>  
>  XENGUEST_NETWORK_BRIDGE_MEMBERS_foundation-armv8 ?= "eth0"
>  
> -XENGUEST_NETWORK_BRIDGE_MEMBERS_gem5-arm64 ?= "eth0"
> -
>  # Juno board has 2 network interfaces, add both of them to the bridge
>  XENGUEST_NETWORK_BRIDGE_MEMBERS_juno ?= "eth0 eth1"
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
> index 189645a..5231f51 100644
> --- a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
> +++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-kernel/linux/linux-%.bbappend
> @@ -12,6 +12,5 @@ LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE = "${@bb.utils.contains_any('DISTRO_FEATURE
>                                           '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}"
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
> similarity index 100%
> rename from meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
> rename to meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64_%.bbappend
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
> new file mode 100644
> index 0000000..9e7ba45
> --- /dev/null
> +++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xen/xen_%.bbappend
> @@ -0,0 +1,2 @@
> +# Machine specific settings
> +XEN_CONFIG_EARLY_PRINTK_gem5-arm64 = "vexpress"
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
> new file mode 100644
> index 0000000..0283702
> --- /dev/null
> +++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-extended/xenguest/xenguest-network.bbappend
> @@ -0,0 +1 @@
> +XENGUEST_NETWORK_BRIDGE_MEMBERS_gem5-arm64 ?= "eth0"
> diff --git a/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.cfg
> new file mode 100644
> index 0000000..7e87cab
> --- /dev/null
> +++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/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/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/features/arm-autonomy/disable-arm64-sve.scc
> new file mode 100644
> index 0000000..6bc769c
> --- /dev/null
> +++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/arm-autonomy-kmeta-extra-gem5/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/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend
> new file mode 100644
> index 0000000..0d0047a
> --- /dev/null
> +++ b/meta-arm-autonomy/dynamic-layers/meta-gem5/recipes-kernel/linux/linux-%.bbappend
> @@ -0,0 +1,15 @@
> +FILESEXTRAPATHS_prepend_gem5-arm64 := "${THISDIR}:"
> +
> +#
> +# arm-autonomy kmeta extra
> +#
> +SRC_URI_append_gem5-arm64 = " file://arm-autonomy-kmeta-extra-gem5;type=kmeta;name=arm-autonomy-kmeta-extra-gem5;destsuffix=arm-autonomy-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_ARM_AUTONOMY_DISABLE_ARM64_SVE_gem5-arm64 = "${@bb.utils.contains_any('DISTRO_FEATURES', \
> +                                         'arm-autonomy-host arm-autonomy-guest', \
> +                                         ' features/arm-autonomy/disable-arm64-sve.scc','',d)}"
> +
> +KERNEL_FEATURES_append_gem5-arm64 = "${LINUX_ARM_AUTONOMY_DISABLE_ARM64_SVE}"
> -- 
> 2.7.4
> 

>
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