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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"
"asus-rt-n66u ASUS RT-N66U"
"linksys-wag200g Linksys WAG200G"
"linksys-wrt54gl Linksys WRT54GL v1.1"
"netgear-dg834v3 Netgear DG834G v3"
"tp-link_tl-mr3020 TP-LINK TL-MR3020"
"bt-homehubv1 BT HomeHub v1"
}
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 speed <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 speed 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 ""
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