X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fstartup.tcl;h=b12d02bbe8ebd84719e3872c4c49195eedd58e5c;hp=e60ad976f467b2fa1fee7f846a633c10cf2bcbe4;hb=6160a946ec2b89408b1eeb47a9b3f5916be43285;hpb=81bf9c6255ff26be894148a704692daaf8c667e7

diff --git a/src/helper/startup.tcl b/src/helper/startup.tcl
index e60ad976f4..b12d02bbe8 100644
--- a/src/helper/startup.tcl
+++ b/src/helper/startup.tcl
@@ -21,32 +21,19 @@ proc get_help_text {} {
 	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 	
+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]	
-	}	
+		set i [expr $i+1]
+	}
 	return $result
 }
 
@@ -69,7 +56,7 @@ proc help {args} {
 			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]]
@@ -80,8 +67,8 @@ proc help {args} {
 						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]
@@ -101,40 +88,31 @@ 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]"]
+		if {[catch {info body $cmd_name}]==0} {
+		    # the command exists, try it...
+			return [eval "$cmd_name [lrange $args 2 end]"]
+		}
 	}
 	# This really is an unknown command.
 	return -code error "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 target_num]_[set eventname]" {} "script $scriptname" 
-	
+proc new_target_name { } {
+	return [target number [expr [target count] - 1 ]]
 }
 
-add_help_text target_script "<target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>"
-
-
 # Try flipping / and \ to find file if the filename does not
 # match the precise spelling
 proc find {filename} {
 	if {[catch {ocd_find $filename} t]==0} {
 		return $t
-	}  
+	}
 	if {[catch {ocd_find [string map {\ /} $filename} t]==0} {
 		return $t
-	}  
+	}
 	if {[catch {ocd_find [string map {/ \\} $filename} t]==0} {
 		return $t
-	}  
+	}
 	# make sure error message matches original input string
 	return -code error "Can't find $filename"
 }
@@ -145,19 +123,263 @@ 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> - 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} {
+proc ocd_gdb_restart {target_id} {
 	# Fix!!! we're resetting all targets here! Really we should reset only
 	# one target
 	reset halt
-}
\ No newline at end of file
+}
+
+
+# This reset logic may be overridden by board/target/... scripts as needed
+# to provide a reset that, if possible, is close to a power-up reset.
+#
+# Exit requirements include:  (a) JTAG must be working, (b) the scan
+# chain was validated with "jtag arp_init" (or equivalent), (c) nothing
+# stays in reset.  No TAP-specific scans were performed.  It's OK if
+# some targets haven't been reset yet; they may need TAP-specific scans.
+#
+# The "mode" values include:  halt, init, run (from "reset" command);
+# startup (at OpenOCD server startup, when JTAG may not yet work); and
+# potentially more (for reset types like cold, warm, etc)
+proc init_reset { mode } {
+	jtag arp_init-reset
+}
+
+
+global in_process_reset
+set in_process_reset 0
+
+# Catch reset recursion
+proc ocd_process_reset { MODE } {
+	global in_process_reset
+	if {$in_process_reset} {
+		set in_process_reset 0
+		return -code error "'reset' can not be invoked recursively"
+	}
+
+	set in_process_reset 1
+	set success [expr [catch {ocd_process_reset_inner $MODE} result]==0]
+	set in_process_reset 0
+
+	if {$success} {
+		return $result
+	} else {
+		return -code error $result
+	}
+}
+
+proc ocd_process_reset_inner { MODE } {
+	set targets [target names]
+
+	# 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
+	# target "arp_*" commands, which may issue JTAG transactions,
+	# unless we know the underlying TAP is active.
+	#
+	# NOTE:  ARP == "Advanced Reset Process" ... "advanced" is
+	# relative to a previous restrictive scheme
+
+	foreach t $targets {
+		# New event script.
+		$t invoke-event reset-start
+	}
+
+	# Use TRST or TMS/TCK operations to reset all the tap controllers.
+	# TAP reset events get reported; they might enable some taps.
+	init_reset $MODE
+
+	# Examine all targets on enabled taps.
+	foreach t $targets {
+		if {[jtag tapisenabled [$t cget -chain-position]]} {
+			$t arp_examine
+		}
+	}
+
+	# Assert SRST, and report the pre/post events.
+	# Note:  no target sees SRST before "pre" or after "post".
+	foreach t $targets {
+		$t invoke-event reset-assert-pre
+	}
+	foreach t $targets {
+		# C code needs to know if we expect to 'halt'
+		if {[jtag tapisenabled [$t cget -chain-position]]} {
+			$t arp_reset assert $halt
+		}
+	}
+	foreach t $targets {
+		$t invoke-event reset-assert-post
+	}
+
+	# Now de-assert SRST, and report the pre/post events.
+	# Note:  no target sees !SRST before "pre" or after "post".
+	foreach t $targets {
+		$t invoke-event reset-deassert-pre
+	}
+	foreach t $targets {
+		# Again, de-assert code needs to know if we 'halt'
+		if {[jtag tapisenabled [$t cget -chain-position]]} {
+			$t arp_reset deassert $halt
+		}
+	}
+	foreach t $targets {
+		$t invoke-event reset-deassert-post
+	}
+
+	# Pass 1 - Now wait for any halt (requested as part of reset
+	# assert/deassert) to happen.  Ideally it takes effect without
+	# first executing any instructions.
+	if { $halt } {
+		foreach t $targets {
+			if {[jtag tapisenabled [$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 $targets {
+			if {[jtag tapisenabled [$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 $targets {
+		$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_test "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
+}
+
+
+# Executed during "init". Can be overridden
+# by board/target/... scripts
+proc jtag_init {} {
+	if {[catch {jtag arp_init} err]!=0} {
+		# try resetting additionally
+		init_reset startup
+	}
+}