-#
-# 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
-# as "flash banks" "help text x x x"
-
-proc add_help_text {cmd cmd_help} {
- global ocd_helptext
- lappend ocd_helptext [list $cmd $cmd_help]
-}
-
-proc get_help_text {} {
- global ocd_helptext
- 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 $filename [flash] bin"]]
- echo "Successfully ran production procedure"
-}
-
-proc board_test {} {
- echo "Production test not implemented"
-}
-
-# Show flash in human readable form
-# This is an example of a human readable form of a low level fn
-proc flash_banks {} {
- set i 0
- set result ""
- foreach {a} [openocd_flash_banks] {
- if {$i > 0} {
- set result "$result\n"
+# All commands are registered with an 'ocd_' prefix, while the "real"
+# command is a wrapper that calls this function. Its primary purpose is
+# to discard 'handler' command output.
+# Due to the two nested proc calls, this wrapper has to explicitly run
+# the wrapped command in the stack frame two levels above.
+proc ocd_bouncer {name args} {
+ set cmd [format "ocd_%s" $name]
+ set type [eval ocd_command type $cmd $args]
+ set errcode error
+ set skiplevel [expr [eval info level] > 1 ? 2 : 1]
+ if {$type == "native"} {
+ return [uplevel $skiplevel $cmd $args]
+ } else {if {$type == "simple"} {
+ set errcode [catch {uplevel $skiplevel $cmd $args}]
+ if {$errcode == 0} {
+ return ""
+ } else {
+ # 'classic' commands output error message as part of progress output
+ set errmsg ""
}
- 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 {} {
- openocd_throw exit
-}
-
-#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]
- }
- }
- }
-}
-
-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
-# flash_banks
-proc unknown {args} {
- # 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]"]
- }
- # This really is an unknown command.
- puts "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 $scriptname"
-
+ } else {if {$type == "group"} {
+ catch {eval ocd_usage $name $args}
+ set errmsg [format "%s: command requires more arguments" \
+ [concat $name " " $args]]
+ } else {
+ set errmsg [format "invalid subcommand \"%s\"" $args]
+ }}}
+ return -code $errcode $errmsg
}
# 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_usage_text find "<file>"
+add_help_text find "print full path to file according to OpenOCD search rules"
-# Run script
+# Find and run a script
proc script {filename} {
- source [find $filename]
+ uplevel #0 [list source [find $filename]]
}
+add_help_text script "filename of OpenOCD script (tcl) to run"
+add_usage_text script "<file>"
-#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> - 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>"
+#########
Code Review / openocd.git / blobdiff