drivers/xlnx-pcie-xvc: Group adapter commands

Use a command group 'xlnx_pcie_xvc' with subcommands instead of individual
commands with 'xlnx_pcie_xvc_' prefix.

The old commands are still available for backward compatibility but
marked as deprecated.

Change-Id: I0deaaa14ed14f65bf356f3c248331bfab472f08d
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: http://openocd.zylin.com/6391
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

doc/openocd.texi

@@ -3172,7 +3172,7 @@ exposed via extended capability registers in the PCI Express configuration space
 
 For more information see Xilinx PG245 (Section on From_PCIE_to_JTAG mode).
 
-@deffn {Config Command} {xlnx_pcie_xvc_config} device
+@deffn {Config Command} {xlnx_pcie_xvc config} device
 Specifies the PCI Express device via parameter @var{device} to use.
 
 The correct value for @var{device} can be obtained by looking at the output

src/jtag/drivers/xlnx-pcie-xvc.c

@@ -460,9 +460,9 @@ COMMAND_HANDLER(xlnx_pcie_xvc_handle_config_command)
 	return ERROR_OK;
 }
 
-static const struct command_registration xlnx_pcie_xvc_command_handlers[] = {
+static const struct command_registration xlnx_pcie_xvc_subcommand_handlers[] = {
 	{
-		.name = "xlnx_pcie_xvc_config",
+		.name = "config",
 		.handler = xlnx_pcie_xvc_handle_config_command,
 		.mode = COMMAND_CONFIG,
 		.help = "Configure XVC/PCIe JTAG adapter",
@@ -471,6 +471,17 @@ static const struct command_registration xlnx_pcie_xvc_command_handlers[] = {
 	COMMAND_REGISTRATION_DONE
 };
 
+static const struct command_registration xlnx_pcie_xvc_command_handlers[] = {
+	{
+		.name = "xlnx_pcie_xvc",
+		.mode = COMMAND_ANY,
+		.help = "perform xlnx_pcie_xvc management",
+		.chain = xlnx_pcie_xvc_subcommand_handlers,
+		.usage = "",
+	},
+	COMMAND_REGISTRATION_DONE
+};
+
 static struct jtag_interface xlnx_pcie_xvc_jtag_ops = {
 	.execute_queue = &xlnx_pcie_xvc_execute_queue,
 };

src/jtag/startup.tcl

@@ -315,4 +315,11 @@ proc presto_serial args {
 	eval presto serial $args
 }
 
+lappend _telnet_autocomplete_skip xlnx_pcie_xvc_config
+proc xlnx_pcie_xvc_config args {
+	echo "DEPRECATED! use 'xlnx_pcie_xvc config' not 'xlnx_pcie_xvc_config'"
+	eval xlnx_pcie_xvc config $args
+}
+
+
 # END MIGRATION AIDS