allow jtag interfaces to lack commands

[openocd.git] / src / jtag / tcl.c

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index 96018b590ebb8b795578ff8241e92e3d6158e323..7307f64e3cf49ea695241e28c67a3db2fb058bde 100644 (file)
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -636,9 +636,12 @@ COMMAND_HANDLER(handle_interface_command)
                if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
                        continue;
 
-               int retval = jtag_interfaces[i]->register_commands(CMD_CTX);
-               if (ERROR_OK != retval)
+               if (NULL != jtag_interfaces[i]->register_commands)
+               {
+                       int retval = jtag_interfaces[i]->register_commands(CMD_CTX);
+                       if (ERROR_OK != retval)
                                return retval;
+               }
 
                jtag_interface = jtag_interfaces[i];
 
@@ -1357,12 +1360,9 @@ COMMAND_HANDLER(handle_verify_ircapture_command)
 
        if (CMD_ARGC == 1)
        {
-               if (strcmp(CMD_ARGV[0], "enable") == 0)
-                       jtag_set_verify_capture_ir(true);
-               else if (strcmp(CMD_ARGV[0], "disable") == 0)
-                       jtag_set_verify_capture_ir(false);
-               else
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               bool enable;
+               COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
+               jtag_set_verify_capture_ir(enable);
        }
 
        const char *status = jtag_will_verify_capture_ir() ? "enabled": "disabled";
@@ -1378,12 +1378,9 @@ COMMAND_HANDLER(handle_verify_jtag_command)
 
        if (CMD_ARGC == 1)
        {
-               if (strcmp(CMD_ARGV[0], "enable") == 0)
-                       jtag_set_verify(true);
-               else if (strcmp(CMD_ARGV[0], "disable") == 0)
-                       jtag_set_verify(false);
-               else
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+               bool enable;
+               COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
+               jtag_set_verify(enable);
        }
 
        const char *status = jtag_will_verify() ? "enabled": "disabled";