SCRIPT: add add_script_search_dir cmd

Add a add_script_search_dir cmd so that adding search
dir's can be added to cfg scripts.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

NEWS

@@ -16,6 +16,11 @@ JTAG Layer:
 Boundary Scan:
 
 Target Layer:
+	MIPS:
+		- "ejtag_srst" variant removed. The same functionality is
+		  obtained by using "reset_config none".
+		- added PIC32MX software reset support, this means srst is not
+		  required to be connected anymore.
 
 Flash Layer:
 	New "stellaris recover" command, implements the procedure
@@ -23,12 +28,15 @@ Flash Layer:
 		state to the factory defaults, including erasing
 		the flash and its protection bits, and possibly
 		re-enabling hardware debugging).
-
+	PIC32MX now uses algorithm for flash programming, this
+		has increased the performance by approx 96%.
 
 Board, Target, and Interface Configuration Scripts:
 	Support IAR LPC1768 kickstart board (by Olimex)
 
 Core Jim/TCL Scripting:
+	New "add_script_search_dir" command, behaviour is the same
+		as the "-s" cmd line option.
 
 Documentation:
 

doc/openocd.texi

@@ -590,6 +590,7 @@ Configuration files and scripts are searched for in
 @enumerate
 @item the current directory,
 @item any search dir specified on the command line using the @option{-s} option,
+@item any search dir specified using the @command{add_script_search_dir} command,
 @item @file{$HOME/.openocd} (not on Windows),
 @item the site wide script library @file{$pkgdatadir/site} and
 @item the OpenOCD-supplied script library @file{$pkgdatadir/scripts}.
@@ -5396,6 +5397,10 @@ Redirect logging to @var{filename};
 the initial log output channel is stderr.
 @end deffn
 
+@deffn Command add_script_search_dir [directory]
+Add @var{directory} to the file/script search path.
+@end deffn
+
 @anchor{Target State handling}
 @section Target State handling
 @cindex reset

src/openocd.c

@@ -159,6 +159,16 @@ COMMAND_HANDLER(handle_init_command)
 	return ERROR_OK;
 }
 
+COMMAND_HANDLER(handle_add_script_search_dir_command)
+{
+	if (CMD_ARGC != 1)
+		return ERROR_COMMAND_SYNTAX_ERROR;
+
+	add_script_search_dir(CMD_ARGV[0]);
+
+	return ERROR_OK;
+}
+
 static const struct command_registration openocd_command_handlers[] = {
 	{
 		.name = "version",
@@ -181,6 +191,13 @@ static const struct command_registration openocd_command_handlers[] = {
 			"Unless 'noinit' is called, this command is "
 			"called automatically at the end of startup.",
 
+	},
+	{
+		.name = "add_script_search_dir",
+		.handler = &handle_add_script_search_dir_command,
+		.mode = COMMAND_ANY,
+		.help = "dir to search for config files and scripts",
+
 	},
 	COMMAND_REGISTRATION_DONE
 };