-#
-# Defines basic Tcl procs that must be there for
-# OpenOCD to work.
+# Defines basic Tcl procs that must exist for OpenOCD scripts to work.
#
# Embedded into OpenOCD executable
#
-
# Help text list. A list of command + help text pairs.
#
# Commands can be more than one word and they are stored
}
-# 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} [ocd_flash_banks] {
- if {$i > 0} {
- set result "$result\n"
- }
- set result [format "$result#%d: %s at 0x%08x, size 0x%08x, buswidth %d, chipwidth %d" $i $a(name) $a(base) $a(size) $a(bus_width) $a(chip_width)]
- set i [expr $i+1]
- }
- return $result
-}
-
# We need to explicitly redirect this to the OpenOCD command
# as Tcl defines the exit proc
proc exit {} {
ocd_throw exit
}
+proc cmd_help {cmdname h indent} {
+ set indent [expr $indent * 2]
+
+ set fmt_str [format "%%%ds%%-%ds %%s" $indent [expr 25 - $indent]]
+ set w [expr 50 - $indent]
+ set n 0
+
+ while 1 {
+ if {$n > [string length $h]} {break}
+
+ set next_a [expr $n + $w]
+ if {[string length $h] > $n + $w} \
+ {
+ set xxxx [string range $h $n [expr $n + $w]]
+ for {set lastpos [expr [string length $xxxx] - 1]} \
+ {$lastpos >= 0 && [string compare \
+ [string range $xxxx $lastpos $lastpos] " "] != 0} \
+ {set lastpos [expr $lastpos - 1]} \
+ {
+ }
+ #set next_a -1
+ if {$lastpos != -1} {
+ set next_a [expr $lastpos + $n + 1]
+ }
+ }
+
+ puts [format $fmt_str "" $cmdname \
+ [string range $h $n [expr $next_a - 1]] ]
+ set cmdname ""
+ set n [expr $next_a]
+ }
+}
+
#Print help text for a command. Word wrap
#help text that is too wide inside column.
proc help {args} {
global ocd_helptext
set cmd $args
foreach a [lsort $ocd_helptext] {
- if {[string length $cmd]==0||[string first $cmd $a]!=-1||[string first $cmd [lindex $a 1]]!=-1} {
- set w 50
- set cmdname [lindex $a 0]
- set h [lindex $a 1]
- set n 0
- while 1 {
- if {$n > [string length $h]} {break}
-
- set next_a [expr $n+$w]
- if {[string length $h]>$n+$w} {
- set xxxx [string range $h $n [expr $n+$w]]
- for {set lastpos [expr [string length $xxxx]-1]} {$lastpos>=0&&[string compare [string range $xxxx $lastpos $lastpos] " "]!=0} {set lastpos [expr $lastpos-1]} {
- }
- #set next_a -1
- if {$lastpos!=-1} {
- set next_a [expr $lastpos+$n+1]
- }
- }
-
-
- puts [format "%-25s %s" $cmdname [string range $h $n [expr $next_a-1]] ]
- set cmdname ""
- set n [expr $next_a]
- }
+ if {[string length $cmd] == 0 || \
+ [string first $cmd $a] != -1 || \
+ [string first $cmd [lindex $a 1]] != -1} \
+ {
+ cmd_help [lindex $a 0] [lindex $a 1] 0
}
}
}
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
-}
-
-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
+ return $result
}
Code Review / openocd.git / blobdiff