GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/riscv/lib/mkimage_fit_opensbi.sh

@@ -0,0 +1,100 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# script to generate FIT image source for RISC-V boards with OpenSBI
+# and, optionally, multiple device trees (given on the command line).
+#
+# usage: $0 [<dt_name> [<dt_name] ...]
+
+[ -z "$OPENSBI" ] && OPENSBI="fw_dynamic.bin"
+
+if [ -z "$UBOOT_LOAD_ADDR" ]; then
+	UBOOT_LOAD_ADDR="$(grep "^CONFIG_SYS_TEXT_BASE=" .config | awk 'BEGIN{FS="="} {print $2}')"
+fi
+
+if [ -z "$OPENSBI_LOAD_ADDR" ]; then
+	OPENSBI_LOAD_ADDR="$(grep "^CONFIG_SPL_OPENSBI_LOAD_ADDR=" .config | awk 'BEGIN{FS="="} {print $2}')"
+fi
+
+if [ ! -f $OPENSBI ]; then
+	echo "WARNING: OpenSBI binary \"$OPENSBI\" not found, resulting binary is not functional." >&2
+	OPENSBI=/dev/null
+fi
+
+cat << __HEADER_EOF
+/dts-v1/;
+
+/ {
+	description = "Configuration to load OpenSBI before U-Boot";
+
+	images {
+		uboot {
+			description = "U-Boot";
+			data = /incbin/("u-boot-nodtb.bin");
+			type = "standalone";
+			os = "U-Boot";
+			arch = "riscv";
+			compression = "none";
+			load = <$UBOOT_LOAD_ADDR>;
+		};
+		opensbi {
+			description = "RISC-V OpenSBI";
+			data = /incbin/("$OPENSBI");
+			type = "firmware";
+			os = "opensbi";
+			arch = "riscv";
+			compression = "none";
+			load = <$OPENSBI_LOAD_ADDR>;
+			entry = <$OPENSBI_LOAD_ADDR>;
+		};
+__HEADER_EOF
+
+cnt=1
+for dtname in $*
+do
+	cat << __FDT_IMAGE_EOF
+		fdt_$cnt {
+			description = "$(basename $dtname .dtb)";
+			data = /incbin/("$dtname");
+			type = "flat_dt";
+			compression = "none";
+		};
+__FDT_IMAGE_EOF
+cnt=$((cnt+1))
+done
+
+cat << __CONF_HEADER_EOF
+	};
+	configurations {
+		default = "config_1";
+
+__CONF_HEADER_EOF
+
+if [ $# -eq 0 ]; then
+cat << __CONF_SECTION_EOF
+		config_1 {
+			description = "U-Boot FIT";
+			firmware = "opensbi";
+			loadables = "uboot";
+		};
+__CONF_SECTION_EOF
+else
+cnt=1
+for dtname in $*
+do
+cat << __CONF_SECTION_EOF
+		config_$cnt {
+			description = "$(basename $dtname .dtb)";
+			firmware = "opensbi";
+			loadables = "uboot";
+			fdt = "fdt_$cnt";
+		};
+__CONF_SECTION_EOF
+cnt=$((cnt+1))
+done
+fi
+
+cat << __ITS_EOF
+	};
+};
+__ITS_EOF