Bugfix in Arch address map for unconnected masters

arch/common/arch.tcl

@@ -11,13 +11,15 @@ namespace eval arch {
     set ret [dict create]
     set pes [lsort [get_processing_elements]]
     foreach pe $pes {
-      set usrs [lsort [get_bd_addr_segs $pe/* -filter { USAGE != memory }]]
+      puts "  processing $pe registers ..."
+      set usrs [lsort [get_bd_addr_segs $pe/* -filter { USAGE == register }]]
       for {set i 0} {$i < [llength $usrs]} {incr i; incr offset 0x10000} {
         set seg [lindex $usrs $i]
         set intf [get_bd_intf_pins -of_objects $seg]
         set range [get_property RANGE $seg]
         dict set ret $intf "interface $intf [format "offset 0x%08x range 0x%08x" $offset $range] kind register"
       }
+      puts "  processing $pe memories ..."
       set usrs [lsort [get_bd_addr_segs $pe/* -filter { USAGE == memory }]]
       for {set i 0} {$i < [llength $usrs]} {incr i; incr offset 0x10000} {
         set seg [lindex $usrs $i]
@@ -26,14 +28,19 @@ namespace eval arch {
         dict set ret $intf "interface $intf [format "offset 0x%08x range 0x%08x" $offset $range] kind memory"
       }
 
+      puts "  processing $pe masters ..."
       set masters [lsort [tapasco::get_aximm_interfaces $pe]]
       foreach intf $masters {
         set space [get_bd_addr_spaces -of_objects $intf]
-        set off [get_property OFFSET $space]
-        if {$off == ""} { set off 0 }
-        set range [get_property RANGE $space]
-        if {$range == ""} { error "no range found on $space for $intf!" }
-        dict set ret $intf "interface $intf [format "offset 0x%08x range 0x%08x" $off $range] kind master"
+        if {$space != {}} {
+          set off [get_property OFFSET $space]
+          if {$off == ""} { set off 0 }
+          set range [get_property RANGE $space]
+          if {$range == ""} { error "no range found on $space for $intf!" }
+          dict set ret $intf "interface $intf [format "offset 0x%08x range 0x%08x" $off $range] kind master"
+        } else {
+          puts "  no address spaces found on $intf, continuing ..."
+        }
       }
     }
     return $ret