src/helper/startup.tcl

   1 #
   2 # Defines basic Tcl procs that must be there for
   3 # OpenOCD to work.
   4 #
   5 # Embedded into OpenOCD executable
   6 #
   7
   8
   9 # Help text list. A list of command + help text pairs.
  10 #
  11 # Commands can be more than one word and they are stored
  12 # as "flash banks" "help text x x x"
  13
  14 proc add_help_text {cmd cmd_help} {
  15         global ocd_helptext
  16         lappend ocd_helptext [list $cmd $cmd_help]
  17 }
  18
  19 proc get_help_text {} {
  20         global ocd_helptext
  21         return $ocd_helptext
  22 }
  23
  24 # Production command
  25 # FIX!!! need to figure out how to feed back relevant output
  26 # from e.g. "flash banks" command...
  27 proc board_produce {filename serialnumber} {
  28         openocd "reset init"
  29         openocd "flash write_image erase $filename [flash] bin"]]
  30         openocd "verify_image $filename [flash] bin"]]
  31         echo "Successfully ran production procedure"
  32 }
  33
  34 proc board_test {} {
  35         echo "Production test not implemented"
  36 }
  37
  38 # Show flash in human readable form
  39 # This is an example of a human readable form of a low level fn
  40 proc flash_banks {} {
  41         set i 0
  42         set result ""
  43         foreach {a} [ocd_flash_banks] {
  44                 if {$i > 0} {
  45                         set result "$result\n"
  46                 }
  47                 set result [format "$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)]
  48                 set i [expr $i+1]
  49         }
  50         return $result
  51 }
  52
  53 # We need to explicitly redirect this to the OpenOCD command
  54 # as Tcl defines the exit proc
  55 proc exit {} {
  56         ocd_throw exit
  57 }
  58
  59 #Print help text for a command. Word wrap
  60 #help text that is too wide inside column.
  61 proc help {args} {
  62         global ocd_helptext
  63         set cmd $args
  64         foreach a [lsort $ocd_helptext] {
  65                 if {[string length $cmd]==0||[string first $cmd $a]!=-1||[string first $cmd [lindex $a 1]]!=-1} {
  66                         set w 50
  67                         set cmdname [lindex $a 0]
  68                         set h [lindex $a 1]
  69                         set n 0
  70                         while 1 {
  71                                 if {$n > [string length $h]} {break}
  72
  73                                 set next_a [expr $n+$w]
  74                                 if {[string length $h]>$n+$w} {
  75                                         set xxxx [string range $h $n [expr $n+$w]]
  76                                         for {set lastpos [expr [string length $xxxx]-1]} {$lastpos>=0&&[string compare [string range $xxxx $lastpos $lastpos] " "]!=0} {set lastpos [expr $lastpos-1]} {
  77                                         }
  78                                         #set next_a -1
  79                                         if {$lastpos!=-1} {
  80                                                 set next_a [expr $lastpos+$n+1]
  81                                         }
  82                                 }
  83
  84
  85                                 puts [format "%-25s %s" $cmdname [string range $h $n [expr $next_a-1]] ]
  86                                 set cmdname ""
  87                                 set n [expr $next_a]
  88                         }
  89                 }
  90         }
  91 }
  92
  93 add_help_text help "Tcl implementation of help command"
  94
  95
  96 # If a fn is unknown to Tcl, we try to execute it as an OpenOCD command
  97 #
  98 # We also support two level commands. "flash banks" is translated to
  99 # flash_banks
 100 proc unknown {args} {
 101         # do the name mangling from "flash banks" to "flash_banks"
 102         if {[llength $args]>=2} {
 103                 set cmd_name "[lindex $args 0]_[lindex $args 1]"
 104                 # Fix?? add a check here if this is a command?
 105                 # we'll strip away args until we fail anyway...
 106                 return [eval "$cmd_name [lrange $args 2 end]"]
 107         }
 108         # This really is an unknown command.
 109         return -code error "Unknown command: $args"
 110 }
 111
 112
 113 proc target_script {target_num eventname scriptname} {
 114         if {[string compare $eventname reset]==0} {
 115                 set eventname post_reset
 116         }
 117
 118         # This is the script we invoke
 119         proc "target_[set target_num]_[set eventname]" {} "script $scriptname"
 120
 121 }
 122
 123 add_help_text target_script "<target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>"
 124
 125
 126 # Try flipping / and \ to find file if the filename does not
 127 # match the precise spelling
 128 proc find {filename} {
 129         if {[catch {ocd_find $filename} t]==0} {
 130                 return $t
 131         }
 132         if {[catch {ocd_find [string map {\ /} $filename} t]==0} {
 133                 return $t
 134         }
 135         if {[catch {ocd_find [string map {/ \\} $filename} t]==0} {
 136                 return $t
 137         }
 138         # make sure error message matches original input string
 139         return [ocd_find $filename]
 140 }
 141 add_help_text find "<file> - print full path to file according to OpenOCD search rules"
 142
 143 # Run script
 144 proc script {filename} {
 145         source [find $filename]
 146 }
 147
 148 #proc daemon_reset {} {
 149 #       puts "Daemon reset is obsolete. Use -c init -c \"reset halt\" at end of openocd command line instead");
 150 #}
 151
 152 add_help_text script "<filename> - filename of OpenOCD script (tcl) to run"
 153
 154
 155
 156 # Handle GDB 'R' packet. Can be overriden by configuration script
 157 proc gdb_restart {} {
 158         reset halt
 159 }