boot.scr.do

#!/bin/sh
F="$(mktemp)"
./boot.scr.py >"$F"
mkimage -A arm -O linux -T script -C none -n boot -d "$F" boot.scr
rm "$F"

boot.scr.py

#!/usr/bin/python

entries = 0

def esc(str):
	o = ""
	for c in str:
		o += "'\\" + c + "'" if c in "\\'" else c
	return "'" + o + "'"

def entry(name, cmd):
	global entries
	print "setenv bootmenu_" + str(entries) + " " + name + "=" + esc(cmd)
	entries += 1

def kernel_(name, kern, cmdline):
	entry(name, "setenv setup_omap_atag 1; setenv bootcmd " + esc("ext2load mmc 1:1 0x86008000 /k/" + kern + ".u; setenv bootargs " + esc(cmdline) + "; bootm 0x86008000") + "; boot")

def kernelnoc(kern):
	entry(kern, "setenv setup_omap_atag 1; setenv bootcmd " + esc("ext2load mmc 1:1 0x86008000 /k/" + kern + ".u; bootm 0x86008000") + "; boot")

def kernel(kern, cmdline):
	kernel_(kern, kern, cmdline)

cmdline = "init=/sbin/preinit ubi.mtd=rootfs root=ubi0:rootfs rootfstype=ubifs rootflags=bulk_read,no_chk_data_crc rw console=ttyMTD,log console=tty0 snd-soc-rx51.hp_lim=42 snd-soc-tlv320aic3x.hp_dac_lim=6"
#cmdline = "cmdline"

kernelnoc("kernel_2.6.28.10-power53")
kernel("zImage-2.6.28.10-cssu1", cmdline)
kernel("kernel_2.6.28.10-power53", cmdline)
kernel("314", "init=/bin/bash ubi.mtd=rootfs root=ubi0:rootfs rootfstype=ubifs rootflags=bulk_read,no_chk_data_crc rw console=ttyMTD,log console=tty0 snd-soc-rx51.hp_lim=42 snd-soc-tlv320aic3x.hp_dac_lim=6")

kernelnoc("zImage-2.6.28.10-cssu1")
kernelnoc("grubi")
kernelnoc("grube")


print "bootmenu"