Adds 'noinit' command to prevent OpenOCD from running 'init' at the end
up startup, allowing it to be given from telnet or TCL.  This provides
the old behavior by default, and users can add this command to their
scripts to get the new behavior.

Signed-off-by: Zachary T Welch <z...@superlucidity.net>
---
 src/openocd.c |   27 +++++++++++++++++++++++----
 1 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/openocd.c b/src/openocd.c
index 287a819..2a65b4d 100644
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -91,6 +91,16 @@ static int log_target_callback_event_handler(struct target 
*target, enum target_
 
 int ioutil_init(struct command_context *cmd_ctx);
 
+static bool init_at_startup = true;
+
+COMMAND_HANDLER(handle_noinit_command)
+{
+       if (CMD_ARGC != 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       init_at_startup = false;
+       return ERROR_OK;
+}
+
 /* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
 COMMAND_HANDLER(handle_init_command)
 {
@@ -159,15 +169,24 @@ static const struct command_registration 
openocd_command_handlers[] = {
        {
                .name = "version",
                .handler = &handle_version_command,
-               .mode = COMMAND_EXEC,
+               .mode = COMMAND_ANY,
                .help = "show program version",
        },
        {
+               .name = "noinit",
+               .handler = &handle_noinit_command,
+               .mode = COMMAND_CONFIG,
+               .help = "Prevent 'init' from being called at startup.",
+       },
+       {
                .name = "init",
                .handler = &handle_init_command,
-               .mode = COMMAND_ANY,
+               .mode = COMMAND_CONFIG,
                .help = "Initializes configured targets and servers.  "
-                       "If called more than once, does nothing.",
+                       "Changes command mode from CONFIG to EXEC.  "
+                       "Unless 'noinit' is called, this command is "
+                       "called automatically at the end of startup.",
+
        },
        COMMAND_REGISTRATION_DONE
 };
@@ -262,7 +281,7 @@ int openocd_main(int argc, char *argv[])
        if (ERROR_OK != ret)
                return EXIT_FAILURE;
 
-       if (1)
+       if (init_at_startup)
        {
                ret = command_run_line(cmd_ctx, "init");
                if (ERROR_OK != ret)
-- 
1.6.4.4

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