-add_help_text script "<filename> - filename of OpenOCD script (tcl) to run"
-
-# 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_id} {
- # Fix!!! we're resetting all targets here! Really we should reset only
- # one target
- reset halt
-}
-
-global in_process_reset
-set in_process_reset 0
-
-# Catch reset recursion
-proc ocd_process_reset { MODE } {
- global in_process_reset
- if {$in_process_reset} {
- set in_process_reset 0
- return -code error "'reset' can not be invoked recursively"
- }
-
- set in_process_reset 1
- set success [expr [catch {ocd_process_reset_inner $MODE} result]==0]
- set in_process_reset 0
-
- if {$success} {
- return $result
- } else {
- return -code error $result
- }
-}
-
-proc ocd_process_reset_inner { MODE } {
- set targets [target names]
-
- # 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
- # target "arp_*" commands, which may issue JTAG transactions,
- # unless we know the underlying TAP is active.
- #
- # NOTE: ARP == "Advanced Reset Process" ... "advanced" is
- # relative to a previous restrictive scheme
-
- foreach t $targets {
- # New event script.
- $t invoke-event reset-start
- }
-
- # Use TRST or TMS/TCK operations to reset all the tap controllers.
- # TAP reset events get reported; they might enable some taps.
- #
- # REVISIT arp_init-reset pulses SRST (if it can) with TRST active;
- # but SRST events aren't reported (unlike "jtag arp_reset", below)
- jtag arp_init-reset
-
- # Examine all targets on enabled taps.
- foreach t $targets {
- if {[jtag tapisenabled [$t cget -chain-position]]} {
- $t arp_examine
- }
- }
-
- # Assert SRST, and report the pre/post events.
- #
- # REVISIT this presumes a single-target config, since SRST
- # applies to the whole device-under-test. When two targets
- # both need special setup before SRST, it's only done for
- # the first one...
- foreach t $targets {
- $t invoke-event reset-assert-pre
- # C code needs to know if we expect to 'halt'
- if {[jtag tapisenabled [$t cget -chain-position]]} {
- $t arp_reset assert $halt
- }
- $t invoke-event reset-assert-post
- }
-
- # Now de-assert SRST, and report the pre/post events.
- foreach t $targets {
- $t invoke-event reset-deassert-pre
- # Again, de-assert code needs to know..
- if {[jtag tapisenabled [$t cget -chain-position]]} {
- $t arp_reset deassert $halt
- }
- $t invoke-event reset-deassert-post
- }
-
- # Pass 1 - Now wait for any halt (requested as part of reset
- # assert/deassert) to happen. Ideally it takes effect without
- # first executing any instructions.
- if { $halt } {
- foreach t $targets {
- if {[jtag tapisenabled [$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 $targets {
- if {[jtag tapisenabled [$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 $targets {
- $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_test "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."
-}