common openocd: use -s to find files from test dirs.

The sourcing of the common.cfg and the optional local files was failing
when invoked from a test directory.  Use -s and properly use [find ...]
to search paths nicely.

openocd/openocd.common.cfg

@@ -5,6 +5,6 @@
 proc optional_local { LOCAL_FILE } {
     if { [ file exists $LOCAL_FILE ] } {
         puts "Loading custom local settings from $LOCAL_FILE"
-        source $LOCAL_FILE
+        source [find $LOCAL_FILE]
     }
 }

openocd/openocd.stm32f072disco.cfg

@@ -2,7 +2,7 @@ source [find interface/stlink-v2.cfg]
 set WORKAREASIZE 0x4000
 source [find target/stm32f0x.cfg]
 
-source openocd.common.cfg
+source [find openocd.common.cfg]
 optional_local "openocd.stm32f072disco.local.cfg"
 
 # no trace on cm0

openocd/openocd.stm32f4-disco.cfg

@@ -2,7 +2,7 @@ source [find interface/stlink-v2.cfg]
 set WORKAREASIZE 0x4000
 source [find target/stm32f4x.cfg]
 
-source openocd.common.cfg
+source [find openocd.common.cfg]
 optional_local "openocd.stm32f4-disco.local.cfg"
 
 tpiu config internal swodump.stm32f4disco.log uart off 168000000

openocd/openocd.stm32l053disco.cfg

@@ -0,0 +1,14 @@
+source [find interface/stlink-v2-1.cfg]
+set WORKAREASIZE 0x1000
+source [find target/stm32l0.cfg]
+
+source [find openocd.common.cfg]
+optional_local "openocd.stm32l053disco.local.cfg"
+
+# no trace on cm0
+#tpiu config internal swodump.stm32f4disco.log uart off 168000000
+
+# Uncomment to reset on connect, for grabbing under WFI et al
+reset_config srst_only srst_nogate
+# reset_config srst_only srst_nogate connect_assert_srst
+

rules.mk

@@ -157,7 +157,7 @@ ifeq (,$(OOCD_FILE))
 		$(NULL)
 else
 	$(Q)(echo "halt; program $(realpath $(*).elf) verify reset" | nc -4 localhost 4444 2>/dev/null) || \
-		$(OOCD) -f $(OOCD_FILE) \
+		$(OOCD) -s ../../openocd/ -f $(OOCD_FILE) \
 		-c "program $(*).elf verify reset exit" \
 		$(NULL)
 endif