1 files changed, 42 insertions, 0 deletions
diff --git a/classes/qemuboot-xen-defaults.bbclass b/classes/qemuboot-xen-defaults.bbclass
new file mode 100644
index 00000000..460cbe6a
--- /dev/null
+++ b/classes/qemuboot-xen-defaults.bbclass
@@ -0,0 +1,42 @@
+# Set defaults for booting Xen images with qemuboot
+
+# Xen and Dom0 command line options
+QB_XEN_CMDLINE_EXTRA ??= "dom0_mem=192M"
+QB_XEN_DOM0_BOOTARGS ??= \
+    "console=hvc0 earlyprintk clk_ignore_unused root=/dev/vda"
+
+# Launch with one initial domain, dom0, with one boot module, the kernel
+DOM0_KERNEL ??= "${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}"
+DOM0_KERNEL_LOAD_ADDR ??= "0x45000000"
+QB_XEN_DOMAIN_MODULES ??= "${DOM0_KERNEL}:${DOM0_KERNEL_LOAD_ADDR}:multiboot,kernel"
+
+# Qemuboot for Arm uses the QB_DEFAULT_KERNEL method to load Xen
+# and the device loader option for the dom0 kernel:
+QB_OPT_APPEND:append:aarch64 = " \
+    -device loader,file=${DOM0_KERNEL},addr=${DOM0_KERNEL_LOAD_ADDR} \
+    "
+QB_OPT_APPEND:append:qemuarm = " \
+    -device loader,file=${DOM0_KERNEL},addr=${DOM0_KERNEL_LOAD_ADDR} \
+    "
+QB_DEFAULT_KERNEL:qemuarm64 = "xen-${MACHINE}"
+QB_DEFAULT_KERNEL:qemuarm = "xen-${MACHINE}"
+
+# 64-bit Arm: gic version 3
+QB_MACHINE:qemuarm64 = "-machine virt,gic-version=3 -machine virtualization=true"
+# 32-bit Arm: highmem=off
+# Disable highmem so that qemu does not use highmem IO regions that end up
+# being placed at the 256GiB mark (e.g. ECAM space) and can cause issues in Xen.
+QB_MACHINE:qemuarm = "-machine virt,highmem=off -machine virtualization=true"
+
+# Increase the default qemu memory allocation to allow for the hypervisor.
+# Use a weak assignment to allow for change of default and override elsewhere.
+QB_MEM_VALUE ??= "512"
+QB_MEM = "-m ${QB_MEM_VALUE}"
+
+# 64-bit Arm: qemuboot with a device tree binary
+QB_DTB:qemuarm64 = "${IMAGE_NAME}.qemuboot.dtb"
+QB_DTB_LINK:qemuarm64 = "${IMAGE_LINK_NAME}.qemuboot.dtb"
+
+# 32-bit Arm: qemuboot with a device tree binary
+QB_DTB:qemuarm = "${IMAGE_NAME}.qemuboot.dtb"
+QB_DTB_LINK:qemuarm = "${IMAGE_LINK_NAME}.qemuboot.dtb"