return $ocd_helptext
}
-# Production command
-# FIX!!! need to figure out how to feed back relevant output
-# from e.g. "flash banks" command...
-proc board_produce {filename serialnumber} {
- openocd "reset init"
- openocd "flash write_image erase $filename [flash] bin"]]
- openocd "verify_image $filename [flash] bin"]]
- echo "Successfully ran production procedure"
-}
-
-proc board_test {} {
- echo "Production test not implemented"
-}
# Show flash in human readable form
# This is an example of a human readable form of a low level fn
proc flash_banks {} {
set i 0
set result ""
- foreach {a} [openocd_flash_banks] {
+ foreach {a} [ocd_flash_banks] {
if {$i > 0} {
set result "$result\n"
}
# We need to explicitly redirect this to the OpenOCD command
# as Tcl defines the exit proc
proc exit {} {
- openocd_throw exit
+ ocd_throw exit
}
#Print help text for a command. Word wrap
add_help_text help "Tcl implementation of help command"
-#a bit of backwards compatibility
-proc openocd_throw {cmd} {
- set openocd_output ""
- eval $cmd
- return $openocd_output
-}
-
-#a bit of backwards compatibility
-proc openocd {cmd} {
- set openocd_output ""
- eval $cmd
- return $openocd_output
-}
-
# If a fn is unknown to Tcl, we try to execute it as an OpenOCD command
#
# We also support two level commands. "flash banks" is translated to
# do the name mangling from "flash banks" to "flash_banks"
if {[llength $args]>=2} {
set cmd_name "[lindex $args 0]_[lindex $args 1]"
- # Fix?? add a check here if this is a command?
- # we'll strip away args until we fail anyway...
- return [eval "$cmd_name [lrange $args 2 end]"]
+ if {[catch {info body $cmd_name}]==0} {
+ # the command exists, try it...
+ return [eval "$cmd_name [lrange $args 2 end]"]
+ }
}
# This really is an unknown command.
- puts "Unknown command: $args"
+ return -code error "Unknown command: $args"
}
-
-proc target_script {target_num eventname scriptname} {
- if {[string compare $eventname reset]==0} {
- set eventname post_reset
- }
-
- # This is the script we invoke
- proc "target_[set eventname]_[set target_num]" {} "script $scriptname"
-
+proc new_target_name { } {
+ return [target number [expr [target count] - 1 ]]
}
# Try flipping / and \ to find file if the filename does not
# match the precise spelling
proc find {filename} {
- if {[catch {openocd_find $filename} t]==0} {
+ if {[catch {ocd_find $filename} t]==0} {
return $t
- }
- if {[catch {openocd_find [string map {\ /} $filename} t]==0} {
+ }
+ if {[catch {ocd_find [string map {\ /} $filename} t]==0} {
return $t
- }
- if {[catch {openocd_find [string map {/ \\} $filename} t]==0} {
+ }
+ if {[catch {ocd_find [string map {/ \\} $filename} t]==0} {
return $t
- }
+ }
# make sure error message matches original input string
- return [openocd_find $filename]
+ return -code error "Can't find $filename"
}
add_help_text find "<file> - print full path to file according to OpenOCD search rules"
add_help_text script "<filename> - filename of OpenOCD script (tcl) to run"
-add_help_text target_script "<target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>"
+# Handle GDB 'R' packet. Can be overriden by configuration script,
+# but it's not something one would expect target scripts to do
+# normally
+proc ocd_gdb_restart {target_num} {
+ # Fix!!! we're resetting all targets here! Really we should reset only
+ # one target
+ reset halt
+}
+
+# If RCLK is not supported, use fallback_speed_khz
+proc jtag_rclk {fallback_speed_khz} {
+ if {[catch {jtag_khz 0}]!=0} {
+ jtag_khz $fallback_speed_khz
+ }
+}
+
+add_help_text jtag_rclk "fallback_speed_khz - set JTAG speed to RCLK or use fallback speed"
+
+proc ocd_process_reset { MODE } {
+
+ # If this target must be halted...
+ set halt -1
+ if { 0 == [string compare $MODE halt] } {
+ set halt 1
+ }
+ if { 0 == [string compare $MODE init] } {
+ set halt 1;
+ }
+ if { 0 == [string compare $MODE run ] } {
+ set halt 0;
+ }
+ if { $halt < 0 } {
+ return -error "Invalid mode: $MODE, must be one of: halt, init, or run";
+ }
+
+ # Target event handlers *might* change which TAPs are enabled
+ # or disabled, so we fire all of them. But don't issue any
+ # of the "arp_*" commands, which may issue JTAG transactions,
+ # unless we know the underlying TAP is active.
+
+ foreach t [ target names ] {
+ # New event script.
+ $t invoke-event reset-start
+ }
+
+ # Init the tap controller.
+ jtag arp_init-reset
+
+ # Examine all targets on enabled taps.
+ foreach t [ target names ] {
+ if {[jtag tapisenabled [$t cget -chain-position]]} {
+ $t arp_examine
+ }
+ }
+
+ # Let the C code know we are asserting reset.
+ foreach t [ target names ] {
+ $t invoke-event reset-assert-pre
+ # C code needs to know if we expect to 'halt'
+ if {[jtag tapisenabled [$t cget -chain-position]]} {
+ $t arp_reset assert $halt
+ }
+ $t invoke-event reset-assert-post
+ }
+
+ # Now de-assert reset.
+ foreach t [ target names ] {
+ $t invoke-event reset-deassert-pre
+ # Again, de-assert code needs to know..
+ if {[jtag tapisenabled [$t cget -chain-position]]} {
+ $t arp_reset deassert $halt
+ }
+ $t invoke-event reset-deassert-post
+ }
+
+ # Pass 1 - Now try to halt.
+ if { $halt } {
+ foreach t [target names] {
+ if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
+ continue
+ }
+
+ # Wait upto 1 second for target to halt. Why 1sec? Cause
+ # the JTAG tap reset signal might be hooked to a slow
+ # resistor/capacitor circuit - and it might take a while
+ # to charge
+
+ # Catch, but ignore any errors.
+ catch { $t arp_waitstate halted 1000 }
+
+ # Did we succeed?
+ set s [$t curstate]
+
+ if { 0 != [string compare $s "halted" ] } {
+ return -error [format "TARGET: %s - Not halted" $t]
+ }
+ }
+ }
+
+ #Pass 2 - if needed "init"
+ if { 0 == [string compare init $MODE] } {
+ foreach t [target names] {
+ if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
+ continue
+ }
+
+ set err [catch "$t arp_waitstate halted 5000"]
+ # Did it halt?
+ if { $err == 0 } {
+ $t invoke-event reset-init
+ }
+ }
+ }
+
+ foreach t [ target names ] {
+ $t invoke-event reset-end
+ }
+}
+
+# stubs for targets scripts that do not have production procedure
+proc production_info {} {
+ return "Imagine an explanation here..."
+}
+add_help_text production_info "Displays information on production procedure for target script. Implement this procedure in target script."
+
+proc production {firmwarefile serialnumber} {
+ puts "Imagine production procedure running successfully. Programmed $firmwarefile with serial number $serialnumber"
+}
+
+add_help_text production "<serialnumber> - Runs production procedure. Throws exception if procedure failed. Prints progress messages. Implement this procedure in the target script."
+
+proc production_test {} {
+ puts "Imagine nifty test procedure having run to completion here."
+}
+add_help_text production "Runs test procedure. Throws exception if procedure failed. Prints progress messages. Implement in target script."
+
+add_help_text cpu "<name> - prints out target options and a comment on CPU which matches name"
+
+# A list of names of CPU and options required
+set ocd_cpu_list {
+ {
+ name IXP42x
+ options {xscale -variant IXP42x}
+ comment {IXP42x cpu}
+ }
+ {
+ name arm7
+ options {arm7tdmi -variant arm7tdmi}
+ comment {vanilla ARM7}
+ }
+}
+
+# Invoked from Tcl code
+proc ocd_cpu {args} {
+ set name $args
+ set result ""
+ global ocd_cpu_list
+ foreach a [lsort $ocd_cpu_list] {
+ if {[string length $args]==0||[string first [string toupper $name] [string toupper "$a(name)$a(options)$a(comment)"]]!=-1} {
+ lappend result $a
+ }
+ }
+ return $result
+}
+
+proc cpu {args} {
+ # 0123456789012345678901234567890123456789012345678901234567890123456789
+ puts "CPU Options Comment"
+ foreach a [lsort [ocd_cpu $args]] {
+ puts [format "%-20s%-40s%s" $a(name) $a(options) $a(comment)]
+ }
+}
+proc power_restore {} {
+ puts "Sensed power restore."
+ reset init
+}
+
+add_help_text power_restore "Overridable procedure run when power restore is detected. Runs 'reset init' by default."
+
+proc power_dropout {} {
+ puts "Sensed power dropout."
+}
+
+proc srst_deasserted {} {
+ puts "Sensed nSRST deasserted."
+ reset init
+}
+add_help_text srst_deasserted "Overridable procedure run when srst deassert is detected. Runs 'reset init' by default."
+
+proc srst_asserted {} {
+ puts "Sensed nSRST asserted."
+}
+
+# catch any exceptions, capture output and return output
+proc capture_catch {a} {
+ catch {
+ capture {uplevel $a}
+ } result
+ return $result
+}