1 files changed, 87 insertions, 0 deletions
diff --git a/bsp/meta-arm/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64.inc b/bsp/meta-arm/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64.inc
new file mode 100644
index 00000000..3cd39177
--- /dev/null
+++ b/bsp/meta-arm/meta-arm-bsp/recipes-bsp/boot-wrapper-aaarch64/boot-wrapper-aarch64.inc
@@ -0,0 +1,87 @@
+
+SUMMARY = "Linux aarch64 boot wrapper with FDT support"
+LICENSE = "BSD"
+
+inherit autotools deploy
+
+PROVIDES = "virtual/gem5-bootloader boot-wrapper-aarch64"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+COMPATIBLE_MACHINE ?= ""
+
+# Device tree to put in the image
+# by default use the standard kernel devicetree
+# This should be overwritten if the devicetree is not generated
+# by the kernel.
+# This should point to a file in the deploy image directory
+BOOT_WRAPPER_AARCH64_DEVICETREE ??= "${KERNEL_DEVICETREE}"
+
+# Kernel image to put in the image
+# This should point to a file in the deploy image directory
+BOOT_WRAPPER_AARCH64_KERNEL ??= "Image"
+
+# Kernel command line for the image
+BOOT_WRAPPER_AARCH64_CMDLINE ??= "rw"
+
+# Image generated by boot wrapper
+BOOT_WRAPPER_AARCH64_IMAGE ??= "linux-system.axf"
+
+DEPENDS += "virtual/kernel dtc-native"
+
+EXTRA_OECONF += "--with-kernel-dir=${WORKDIR}/kernel"
+EXTRA_OECONF += "--with-dtb=${WORKDIR}/kernel/dummy.dtb"
+EXTRA_OECONF += "--with-cmdline=\"\""
+EXTRA_OECONF += "--enable-psci --enable-gicv3"
+
+# unset LDFLAGS solves this error when compiling kernel modules:
+# aarch64-poky-linux-ld: unrecognized option '-Wl,-O1'
+EXTRA_OEMAKE += "'LDFLAGS= --gc-sections '"
+
+# Strip prefix if any
+REAL_DTB = "${@os.path.basename(d.getVar('BOOT_WRAPPER_AARCH64_DEVICETREE'))}"
+
+EXTRA_OEMAKE += "'KERNEL_DTB=${DEPLOY_DIR_IMAGE}/${REAL_DTB}'"
+EXTRA_OEMAKE += "'KERNEL_IMAGE=${DEPLOY_DIR_IMAGE}/${BOOT_WRAPPER_AARCH64_KERNEL}'"
+EXTRA_OEMAKE += "'CMDLINE=${BOOT_WRAPPER_AARCH64_CMDLINE}'"
+
+
+do_configure_prepend() {
+    # Create dummy files to make configure happy.
+    # We will pass the generated ones directly to make.
+    mkdir -p ${WORKDIR}/kernel/arch/arm64/boot
+    echo "dummy" > ${WORKDIR}/kernel/arch/arm64/boot/Image
+    echo "dummy" > ${WORKDIR}/kernel/dummy.dtb
+
+    # Generate configure
+    (cd ${S} && autoreconf -i || exit 1)
+}
+
+do_compile[noexec] = "1"
+do_install[noexec] = "1"
+
+# We need the kernel to create an image
+do_deploy[depends] += "virtual/kernel:do_deploy"
+
+do_deploy() {
+    if [ ! -f ${DEPLOY_DIR_IMAGE}/${REAL_DTB} ]; then
+        echo "ERROR: cannot find ${REAL_DTB} in ${DEPLOY_DIR_IMAGE}" >&2
+        echo "Please check your BOOT_WRAPPER_AARCH64_DEVICETREE settings" >&2
+        exit 1
+    fi
+
+    if [ ! -f ${DEPLOY_DIR_IMAGE}/${BOOT_WRAPPER_AARCH64_KERNEL} ]; then
+        echo "ERROR: cannot find ${BOOT_WRAPPER_AARCH64_KERNEL}" \
+            " in ${DEPLOY_DIR_IMAGE}" >&2
+        echo "Please check your BOOT_WRAPPER_AARCH64_KERNEL settings" >&2
+        exit 1
+    fi
+
+    oe_runmake clean
+    oe_runmake all
+
+    install -D -p -m 644 ${BOOT_WRAPPER_AARCH64_IMAGE} \
+        ${DEPLOYDIR}/linux-system.axf
+}
+addtask deploy before do_build after do_compile
+