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+echo "\n\nFirmware recovery helpers"
+echo "Use -c firmware_help to get help\n"
+
+set known_boards {
+ "asus-rt-n16 ASUS RT-N16"
+ "linksys-wrt54gl Linksys WRT54GL v1.1"
+}
+
+proc firmware_help { } {
+ echo "
+Your OpenOCD command should look like this:
+openocd -f interface/<jtag adapter>.cfg -f tools/firmware-recovery.tcl -c \"<commands>*; shutdown\"
+
+Where:
+<jtag adapter> is one of the supported devices, e.g. ftdi/jtagkey2
+<commands> are firmware-recovery commands separated by semicolon
+
+Supported commands:
+firmware_help get this help
+list_boards list known boards and exit
+board <name> select board you work with
+list_partitions list partitions of the currently selected board
+dump_part <name> <filename> save partition's contents to a file
+erase_part <name> erase the given partition
+flash_part <name> <filename> erase, flash and verify the given partition
+ram_boot <filename> load binary file to RAM and run it
+adapter_khz <freq> set JTAG clock frequency in kHz
+
+For example, to clear nvram and reflash CFE on an RT-N16 using TUMPA, run:
+openocd -f interface/ftdi/tumpa.cfg -f tools/firmware-recovery.tcl \\
+ -c \"board asus-rt-n16; erase_part nvram; flash_part CFE cfe-n16.bin; shutdown\"
+\n\n"
+ shutdown
+}
+
+# set default, can be overriden later
+adapter_khz 1000
+
+proc get_partition { name } {
+ global partition_list
+ dict get $partition_list $name
+}
+
+proc partition_desc { name } { lindex [get_partition $name] 0 }
+proc partition_start { name } { lindex [get_partition $name] 1 }
+proc partition_size { name } { lindex [get_partition $name] 2 }
+
+proc list_boards { } {
+ global known_boards
+ echo "List of the supported boards:\n"
+ echo "Board name\t\tDescription"
+ echo "-----------------------------------"
+ foreach i $known_boards {
+ echo $i
+ }
+ echo "\n\n"
+}
+
+proc board { name } {
+ script [find board/$name.cfg]
+}
+
+proc list_partitions { } {
+ global partition_list
+ set fstr "%-16s%-14s%-14s%s"
+ echo "\nThe currently selected board is known to have these partitions:\n"
+ echo [format $fstr Name Start Size Description]
+ echo "-------------------------------------------------------"
+ for {set i 0} {$i < [llength $partition_list]} {incr i 2} {
+ set key [lindex $partition_list $i]
+ echo [format $fstr $key [partition_start $key] [partition_size $key] [partition_desc $key]]
+ }
+ echo "\n\n"
+}
+
+# Magic to work with any targets, including semi-functional
+proc prepare_target { } {
+ init
+ catch {halt}
+ catch {reset init}
+ catch {halt}
+}
+
+proc dump_part { name filename } {
+ prepare_target
+ dump_image $filename [partition_start $name] [partition_size $name]
+}
+
+proc erase_part { name } {
+ prepare_target
+ flash erase_address [partition_start $name] [partition_size $name]
+}
+
+proc flash_part { name filename } {
+ prepare_target
+ flash write_image erase $filename [partition_start $name] bin
+ echo "Verifying:"
+ verify_image $filename [partition_start $name]
+}
+
+proc ram_boot { filename } {
+ global ram_boot_address
+ prepare_target
+ load_image $filename $ram_boot_address bin
+ resume $ram_boot_address
+}
+
+echo ""