arm:build generate uEnv.txt

Generate uEnv.txt to allow to generate an uEnv containing commands
to boot over the network.

Change-Id: I8bcd831ee474d837411568bf1c1e2c2d96ec931b

releasetools/arm_sdimage.sh

@@ -142,16 +142,17 @@ END_SFDISK
 #
 mkfs.vfat ${IMG_DIR}/fat.img
 
+./releasetools/gen_uEnv.txt.sh > ${IMG_DIR}/uEnv.txt
 echo "Copying configuration kernel and boot modules"
 mcopy -bsp -i ${IMG_DIR}/fat.img  ${IMG_DIR}/$MLO ::MLO
 mcopy -bsp -i ${IMG_DIR}/fat.img ${IMG_DIR}/$UBOOT ::u-boot.img
-mcopy -bsp -i ${IMG_DIR}/fat.img releasetools/uEnv.txt ::uEnv.txt
+mcopy -bsp -i ${IMG_DIR}/fat.img ${IMG_DIR}/uEnv.txt ::uEnv.txt
 mcopy -bsp -i ${IMG_DIR}/fat.img releasetools/cmdline.txt ::cmdline.txt
 
 #
 # For tftp booting
 #
-cp releasetools/uEnv.txt ${OBJ}/
+cp ${IMG_DIR}/uEnv.txt ${OBJ}/
 cp releasetools/cmdline.txt ${OBJ}/
 
 #

releasetools/gen_uEnv.txt.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+
+#generate a u-boot u-env.
+list="0x80200000 kernel.bin
+0x90000000 ds.elf
+0x90800000 rs.elf
+0x91000000 pm.elf
+0x91800000 sched.elf
+0x92000000 vfs.elf
+0x92800000 memory.elf
+0x93000000 log.elf
+0x93800000 tty.elf
+0x94000000 mfs.elf
+0x94800000 vm.elf
+0x95000000 pfs.elf
+0x95800000 init.elf
+0x96000000 cmdline.txt"
+
+#
+# PREFIX for loading file over tftp to allow hosting multiple
+# version/devices.
+NETBOOT_PREFIX=""
+NETBOOT="no"
+BOOT="mmcbootcmd"
+
+while getopts "p:n?" c
+do
+        case "$c" in
+        \?)
+                echo "Usage: $0 [-p netboot_prefix] -n" >&2
+                exit 1
+        	;;
+        n)
+		# genrate netbooting uEnv.txt
+                BOOT="netbootcmd"
+                NETBOOT="yes"
+		;;
+        p)
+                NETBOOT_PREFIX=$OPTARG
+		;;
+	esac
+done
+
+function fill_cmd(){
+	#load == load method like fatload mmc 0:1
+	#prefix is an optional directory containing the ending /
+	load=$1
+	prefix=$2
+	export IFS=" " 
+	echo $list | while true
+	do
+		if ! read -r mem addr
+		then
+			break
+		fi
+		#e.g. ; fatloat mmc 0:1 0x82000000 mydir/ds.elf
+		echo -n "; $load $mem $prefix$addr"
+	done
+}
+
+
+echo "# Set the command to be executed"
+echo "uenvcmd=run $BOOT"
+echo 
+echo "# With cmdline/bootargs in cmdline.txt"
+echo "mmcbootcmd=echo starting from MMC ; mmc part 0; mw.b 0x96000000 0 16384 $(fill_cmd "fatload mmc 0:1" "") ; dcache off ; icache off ; go 0x80200000"
+echo 
+echo "# Netbooting."
+echo "serverip=192.168.12.10"
+echo "ipaddr=192.168.12.62"
+echo "usbnet_devaddr=e8:03:9a:24:f9:10"
+echo "usbethaddr=e8:03:9a:24:f9:11"
+echo "netbootcmd=echo starting from TFTP; usb start; mw.b 0x96000000 0 16384 $(fill_cmd "tftp" "$NETBOOT_PREFIX") ; dcache off ; icache off ; go 0x80200000"
+exit 0

releasetools/uEnv.txt

@@ -1,17 +0,0 @@
-#uEnv.txt
-
-# Set the command to be executed
-uenvcmd=run mmcbootcmd
-
-# With cmdline/bootargs in cmdline.txt
-mmcbootcmd=echo starting from MMC ; mmc part 0; fatload mmc 0:1 0x80200000 kernel.bin; fatload mmc 0:1 0x90000000 ds.elf; fatload mmc 0:1 0x90800000 rs.elf; fatload mmc 0:1 0x91000000 pm.elf; fatload mmc 0:1 0x91800000 sched.elf; fatload mmc 0:1 0x92000000 vfs.elf; fatload mmc 0:1 0x92800000 memory.elf; fatload mmc 0:1 0x93000000 log.elf; fatload mmc 0:1 0x93800000 tty.elf; fatload mmc 0:1 0x94000000 mfs.elf; fatload mmc 0:1 0x94800000 vm.elf; fatload mmc 0:1 0x95000000 pfs.elf; fatload mmc 0:1 0x95800000 init.elf; mw.b 0x96000000 0 16384; fatload mmc 0:1 0x96000000 cmdline.txt; dcache off ; icache off ; go 0x80200000
-
-# Netbooting.
-#echo == Configure the server IP ==
-#serverip=192.168.12.10
-#ipaddr=192.168.12.62
-#usbnet_devaddr=e8:03:9a:24:f9:10
-#usbethaddr=e8:03:9a:24:f9:11
-#mmcbootcmd=echo starting from TFTP; usb start ; tftp 0x80200000 kernel.bin; tftp 0x90000000 ds.elf; tftp 0x90800000 rs.elf; tftp 0x91000000 pm.elf; tftp 0x91800000 sched.elf; tftp 0x92000000 vfs.elf; tftp 0x92800000 memory.elf; tftp 0x93000000 log.elf; tftp 0x93800000 tty.elf;  tftp 0x94000000 mfs.elf; tftp 0x94800000 vm.elf; tftp 0x95000000 pfs.elf; tftp 0x95800000 init.elf; mw.b 0x96000000 0 16384; tftp 0x96000000 cmdline.txt; dcache off ; icache off ; go 0x80200000
-
-