image-barebox-esp: EFI System Partition with Barebox

board/common/Config.in

@@ -6,6 +6,9 @@ source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-itb-qcow/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-itb-gns3a/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-itb-rauc/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-itb-dl-release/Config.in"
+
+comment "General"
+source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-barebox-esp/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/board/common/image/image-readme/Config.in"
 
 endmenu

board/common/image/image-barebox-esp/Config.in

@@ -0,0 +1,6 @@
+config IMAGE_BAREBOX_ESP
+	bool "Barebox EFI System Partition"
+	depends on BR2_TARGET_BAREBOX
+	default y if IMAGE_DDI
+	help
+	  An EFI System Partition (ESP) with Barebox installed.

board/common/image/image-barebox-esp/generate.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+set -e
+
+case "$BR2_ARCH" in
+    x86_64)
+	BOOT_EFI=BOOTX64.EFI
+	;;
+    *)
+	echo "Unknown EFI boot path for $BR2_ARCH" >&2
+	exit 1
+	;;
+esac
+
+mkdir -p "${WORKDIR}"/root
+rm -rf   "${WORKDIR}"/tmp
+mkdir -p "${WORKDIR}"/tmp
+
+cat <<EOF >"${WORKDIR}"/genimage.cfg
+image barebox-esp.vfat {
+	size = "16M"
+	vfat {
+		file EFI/BOOT/$BOOT_EFI {
+			image = $BINARIES_DIR/barebox.efi
+		}
+	}
+}
+
+# Silence genimage warnings
+config {}
+EOF
+
+genimage \
+    --tmppath    "${WORKDIR}"/tmp  \
+    --rootpath   "${WORKDIR}"/root \
+    --inputpath  "${WORKDIR}"      \
+    --outputpath "${BINARIES_DIR}" \
+    --config "${WORKDIR}"/genimage.cfg

board/common/image/image-barebox-esp/image-barebox-esp.mk

@@ -0,0 +1,7 @@
+################################################################################
+#
+# image-barebox-esp
+#
+################################################################################
+
+$(eval $(ix-image))