helper script to backup/restore/update Rockchip

diff --git a/rockchip-flash-helper.pl b/rockchip-flash-helper.pl
new file mode 100755 (executable)
index 0000000..1a78b1a
--- /dev/null
+++ b/rockchip-flash-helper.pl
@@ -0,0 +1,58 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+
+use Getopt::Long;
+
+my $mode = lc($ARGV[0]) || die "usage: $0 (backup|restore|update)\n";
+
+my $cmdline = <DATA>;
+my $rkflashtool = '/virtual/android/android-command-line/rkflashtool/rkflashtool';
+
+die "rkflashtool not found: $!" unless -x $rkflashtool;
+
+$cmdline =~ s/^.*mtdparts=\w+:([^\s]+)\s.*$/$1/;
+warn $cmdline;
+
+foreach ( split(/,/,$cmdline) ) {
+       print "$_\n";
+       my ($size,$start,$name) = split(/[\@\(\)]/, $_, 4);
+
+       my $cmd;
+
+       my $backup_file = "$start-$size-$name";
+
+       if ( $mode eq 'backup' ) {
+
+               $cmd = "$rkflashtool r $start $size > $backup_file";
+
+       } elsif ( $mode eq 'restore' ) {
+
+               if ( -e $backup_file && -s $backup_file ) {
+                       $cmd = "$rkflashtool w $start $size < $backup_file";
+               } else {
+                       warn "SKIP $backup_file restore: $!\n";
+                       next;
+               }
+
+       } elsif ( $mode eq 'update' ) {
+
+               if ( -e "$name.img" ) {
+                       $cmd = "$rkflashtool w $start $size < $name.img";
+               } else {
+                       warn "SKIP $start $size $name - not found in update\n";
+                       next;
+               }
+       }
+
+       warn "# $cmd\n";
+       system($cmd) == 0 || die $!;
+}
+
+if ( $mode eq 'update' || $mode eq 'restore' ) {
+       warn "# reboot Android\n";
+       system("$rkflashtool r");
+}
+
+__DATA__
+console=ttyFIQ0 androidboot.console=ttyFIQ0 init=/init initrd=0x62000000,0x00200000 mtdparts=rk29xxnand:0x00002000@0x00002000(misc),0x00004000@0x00004000(kernel),0x00008000@0x00008000(boot),0x00008000@0x00010000(recovery),0x000C0000@0x00018000(backup),0x00040000@0x000D8000(cache),0x00300000@0x00118000(userdata),0x00002000@0x00418000(kpanic),0x00100000@0x0041A000(system),-@0x0053A000(user) bootver=2012-08-08#1.14 firmware_ver=4.0.4