X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fstartup.tcl;h=30dc184f7f6fa65270a756130e4730c74f97a617;hp=a6b50aa35b6224c885737f60c415d531dba2ef70;hb=82449e2d60fbbb5ce8a6285b6e6d60e5767ee429;hpb=7eaed436c63689db74adebf1201fb45e109cb290 diff --git a/src/helper/startup.tcl b/src/helper/startup.tcl index a6b50aa35b..30dc184f7f 100644 --- a/src/helper/startup.tcl +++ b/src/helper/startup.tcl @@ -1,11 +1,8 @@ -# -# 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 @@ -22,57 +19,56 @@ proc get_help_text {} { } -# 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 } } } @@ -123,192 +119,14 @@ proc script {filename} { source [find $filename] } -#proc daemon_reset {} { -# puts "Daemon reset is obsolete. Use -c init -c \"reset halt\" at end of openocd command line instead"); -#} - add_help_text script " - 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_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"; - } - - foreach t [ target names ] { - # New event script. - $t invoke-event reset-start - } - - # Init the tap controller. - jtag arp_init-reset - - # Examine all targets. - foreach t [ target names ] { - $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' - $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.. - $t arp_reset deassert $halt - $t invoke-event reset-deassert-post - } - - # Pass 1 - Now try to halt. - if { $halt } { - foreach t [target names] { - - # 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 $MODE] } { - foreach t [target names] { - set err [catch "$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 " - 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 " - 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 }