X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fstartup.tcl;h=a8f78ab49f59560274362817afeded4549b33fc3;hb=70ead8ff5d2af43aa79fbc14f80fe370d569df52;hp=d68417e808efd135c5bb4d5d92ba55866effef68;hpb=fb71a0a0dddf68fa3f266aab5e35409773acc567;p=openocd.git

diff --git a/src/target/startup.tcl b/src/target/startup.tcl
index d68417e808..a8f78ab49f 100644
--- a/src/target/startup.tcl
+++ b/src/target/startup.tcl
@@ -63,8 +63,14 @@ proc ocd_process_reset_inner { MODE } {
 
 	# Examine all targets on enabled taps.
 	foreach t $targets {
-		if {[jtag tapisenabled [$t cget -chain-position]]} {
-			$t arp_examine
+		if {![using_jtag] || [jtag tapisenabled [$t cget -chain-position]]} {
+			$t invoke-event examine-start
+			set err [catch "$t arp_examine allow-defer"]
+			if { $err } {
+				$t invoke-event examine-fail
+			} else {
+				$t invoke-event examine-end
+			}
 		}
 	}
 
@@ -75,7 +81,7 @@ proc ocd_process_reset_inner { MODE } {
 	}
 	foreach t $targets {
 		# C code needs to know if we expect to 'halt'
-		if {[jtag tapisenabled [$t cget -chain-position]]} {
+		if {![using_jtag] || [jtag tapisenabled [$t cget -chain-position]]} {
 			$t arp_reset assert $halt
 		}
 	}
@@ -90,7 +96,7 @@ proc ocd_process_reset_inner { MODE } {
 	}
 	foreach t $targets {
 		# Again, de-assert code needs to know if we 'halt'
-		if {[jtag tapisenabled [$t cget -chain-position]]} {
+		if {![using_jtag] || [jtag tapisenabled [$t cget -chain-position]]} {
 			$t arp_reset deassert $halt
 		}
 	}
@@ -103,11 +109,17 @@ proc ocd_process_reset_inner { MODE } {
 	# first executing any instructions.
 	if { $halt } {
 		foreach t $targets {
-			if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
+			if {[using_jtag] && ![jtag tapisenabled [$t cget -chain-position]]} {
+				continue
+			}
+
+			# don't wait for targets where examination is deferred
+			# they can not be halted anyway at this point
+			if { ![$t was_examined] && [$t examine_deferred] } {
 				continue
 			}
 
-			# Wait upto 1 second for target to halt.  Why 1sec? Cause
+			# Wait up to 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
@@ -127,7 +139,13 @@ proc ocd_process_reset_inner { MODE } {
 	#Pass 2 - if needed "init"
 	if { 0 == [string compare init $MODE] } {
 		foreach t $targets {
-			if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
+			if {[using_jtag] && ![jtag tapisenabled [$t cget -chain-position]]} {
+				continue
+			}
+
+			# don't wait for targets where examination is deferred
+			# they can not be halted anyway at this point
+			if { ![$t was_examined] && [$t examine_deferred] } {
 				continue
 			}
 
@@ -144,10 +162,47 @@ proc ocd_process_reset_inner { MODE } {
 	}
 }
 
+proc using_jtag {} {
+	set _TRANSPORT [ transport select ]
+	expr { [ string first "jtag" $_TRANSPORT ] != -1 }
+}
+
+proc using_swd {} {
+	set _TRANSPORT [ transport select ]
+	expr { [ string first "swd" $_TRANSPORT ] != -1 }
+}
+
+proc using_hla {} {
+	set _TRANSPORT [ transport select ]
+	expr { [ string first "hla" $_TRANSPORT ] != -1 }
+}
+
 #########
 
-# Temporary migration aid.  May be removed starting in January 2011.
-proc armv4_5 params {
-	echo "DEPRECATED! use 'arm $params' not 'armv4_5 $params'"
-	arm $params
+# Target/chain configuration scripts can either execute commands directly
+# or define a procedure which is executed once all configuration
+# scripts have completed.
+#
+# By default(classic) the config scripts will set up the target configuration
+proc init_targets {} {
+}
+
+proc set_default_target_event {t e s} {
+	if {[$t cget -event $e] == ""} {
+		$t configure -event $e $s
+	}
+}
+
+proc init_target_events {} {
+	set targets [target names]
+
+	foreach t $targets {
+		set_default_target_event $t gdb-flash-erase-start "reset init"
+		set_default_target_event $t gdb-flash-write-end "reset halt"
+		set_default_target_event $t gdb-attach "halt 1000"
+	}
+}
+
+# Additionally board config scripts can define a procedure init_board that will be executed after init and init_targets
+proc init_board {} {
 }