2 # Defines basic Tcl procs that must be there for
5 # Embedded into OpenOCD executable
9 # Help text list. A list of command + help text pairs.
11 # Commands can be more than one word and they are stored
12 # as "flash banks" "help text x x x"
14 proc add_help_text
{cmd cmd_help
} {
16 lappend ocd_helptext
[list $cmd $cmd_help]
19 proc get_help_text
{} {
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
} {
29 openocd
"flash write_image erase $filename [flash] bin"]]
30 openocd
"verify_image $filename [flash] bin"]]
31 echo
"Successfully ran production procedure"
35 echo
"Production test not implemented"
38 # Show flash in human readable form
39 # This is an example of a human readable form of a low level fn
43 foreach {a
} [ocd_flash_banks
] {
45 set result
"$result\n"
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
)]
53 # We need to explicitly redirect this to the OpenOCD command
54 # as Tcl defines the exit proc
59 #Print help text for a command. Word wrap
60 #help text that is too wide inside column.
64 foreach a
[lsort $ocd_helptext] {
65 if {[string length
$cmd]==0||
[string first
$cmd $a]!=-1||
[string first
$cmd [lindex $a 1]]!=-1} {
67 set cmdname
[lindex $a 0]
71 if {$n > [string length
$h]} {break}
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]} {
80 set next_a
[expr $lastpos+$n+1]
85 puts [format "%-25s %s" $cmdname [string range
$h $n [expr $next_a-1]] ]
93 add_help_text help
"Tcl implementation of help command"
96 # If a fn is unknown to Tcl, we try to execute it as an OpenOCD command
98 # We also support two level commands. "flash banks" is translated to
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]"]
108 # This really is an unknown command.
109 return -code error "Unknown command: $args"
112 proc new_target_name
{ } {
113 return [target number
[expr [target count
] - 1 ]]
117 proc target_script
{target_num eventname scriptname
} {
119 set tname
[target number
$target_num]
121 if { 0 == [string compare
$eventname "reset"] } {
122 $tname configure
-event reset-init
"script $scriptname"
126 if { 0 == [string compare
$eventname "post_reset"] } {
127 $tname configure
-event reset-init
"script $scriptname"
131 if { 0 == [string compare
$eventname "pre_reset"] } {
132 $tname configure
-event reset-start
"script $scriptname"
136 if { 0 == [string compare
$eventname "gdb_program_config"] } {
137 $tname configure
-event old-gdb_program_config
"script $scriptname"
141 return -code error "Unknown target (old) event: $eventname (try $tname configure -event NAME)"
145 add_help_text target_script
"DEPRECATED please see the new TARGETNAME configure -event interface"
148 # Try flipping / and \ to find file if the filename does not
149 # match the precise spelling
150 proc find
{filename} {
151 if {[catch {ocd_find
$filename} t
]==0} {
154 if {[catch {ocd_find
[string map
{\ /} $filename} t
]==0} {
157 if {[catch {ocd_find
[string map
{/ \\} $filename} t
]==0} {
160 # make sure error message matches original input string
161 return -code error "Can't find $filename"
163 add_help_text find
"<file> - print full path to file according to OpenOCD search rules"
166 proc script
{filename} {
167 source [find
$filename]
170 #proc daemon_reset {} {
171 # puts "Daemon reset is obsolete. Use -c init -c \"reset halt\" at end of openocd command line instead");
174 add_help_text script
"<filename> - filename of OpenOCD script (tcl) to run"
178 # Handle GDB 'R' packet. Can be overriden by configuration script,
179 # but it's not something one would expect target scripts to do
181 proc ocd_gdb_restart
{target_num
} {
182 # Fix!!! we're resetting all targets here! Really we should reset only
188 # If RCLK is not supported, use fallback_speed_khz
189 proc jtag_rclk
{fallback_speed_khz
} {
190 if {[catch {jtag_khz
0}]!=0} {
191 jtag_khz
$fallback_speed_khz
195 add_help_text jtag_rclk
"fallback_speed_khz - set JTAG speed to RCLK or use fallback speed"
197 proc ocd_process_reset
{ MODE
} {
199 # If this target must be halted...
201 if { 0 == [string compare
$MODE halt
] } {
204 if { 0 == [string compare
$MODE init
] } {
207 if { 0 == [string compare
$MODE run
] } {
211 return -error "Invalid mode: $MODE, must be one of: halt, init, or run";
214 foreach t
[ target names
] {
216 $t invoke-event reset-start
219 # Init the tap controller.
222 # Examine all targets.
223 foreach t
[ target names
] {
227 # Let the C code know we are asserting reset.
228 foreach t
[ target names
] {
229 $t invoke-event reset-assert-pre
230 # C code needs to know if we expect to 'halt'
231 $t arp_reset assert
$halt
232 $t invoke-event reset-assert-post
235 # Now de-assert reset.
236 foreach t
[ target names
] {
237 $t invoke-event reset-deassert-pre
238 # Again, de-assert code needs to know..
239 $t arp_reset deassert
$halt
240 $t invoke-event reset-deassert-post
244 # Pass 1 - Now try to halt.
246 foreach t
[target names
] {
248 # Wait upto 1 second for target to halt. Why 1sec? Cause
249 # the JTAG tap reset signal might be hooked to a slow
250 # resistor/capacitor circuit - and it might take a while
253 # Catch, but ignore any errors.
254 catch { $t arp_waitstate halted
1000 }
259 if { 0 != [string compare
$s "halted" ] } {
260 return -error [format "TARGET: %s - Not halted" $t]
265 #Pass 2 - if needed "init"
266 if { 0 == [string compare init
$MODE] } {
267 foreach t
[target names
] {
268 set err
[catch "$t arp_waitstate halted 5000"]
271 $t invoke-event reset-init
276 foreach t
[ target names
] {
277 $t invoke-event reset-end
282 # stubs for targets scripts that do not have production procedure
283 proc production_info
{} {
284 return "Imagine an explanation here..."
286 add_help_text production_info
"Displays informationo on production procedure for target script"
288 proc production
{firmwarefile serialnumber
} {
289 puts "Imagine production procedure running successfully. Programmed $firmwarefile with serial number $serialnumber"
292 add_help_text production
"Runs production procedure. Throws exception if procedure failed. Prints progress messages."
294 proc production_test
{} {
295 puts "Imagine nifty test procedure having run to completion here."
297 add_help_text production
"Runs test procedure. Throws exception if procedure failed. Prints progress messages."
300 return [eval "load_image $args"]
302 add_help_text
load "synonym to load_image"
305 return [eval "verify_image $args"]
308 add_help_text verify
"synonym to verify_image"
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