tcl: introduce using_(jtag|swd|hla) helpers and use them in reset handler

[fw/openocd] / src / target / startup.tcl

diff --git a/src/target/startup.tcl b/src/target/startup.tcl
index 033e9c9cfe10a95e1fdb21c811e11ca5463ddf31..cf2813ba856fc440aba78dca884baf00ee794b7f 100644 (file)
--- a/src/target/startup.tcl
+++ b/src/target/startup.tcl
@@ -63,7 +63,7 @@ proc ocd_process_reset_inner { MODE } {
 
        # Examine all targets on enabled taps.
        foreach t $targets {
-               if {[jtag tapisenabled [$t cget -chain-position]]} {
+               if {![using_jtag] || [jtag tapisenabled [$t cget -chain-position]]} {
                        $t invoke-event examine-start
                        set err [catch "$t arp_examine"]
                        if { $err == 0 } {
@@ -79,7 +79,7 @@ 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
                }
        }
@@ -94,7 +94,7 @@ 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
                }
        }
@@ -107,7 +107,7 @@ 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
                        }
 
@@ -131,7 +131,7 @@ 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
                        }
 
@@ -148,6 +148,21 @@ 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.