initial "transport" framework

[openocd] / src / openocd.c

diff --git a/src/openocd.c b/src/openocd.c
index 96de50c80cf701923f0572ee5b55b58e4f1fa814..bba1e0bf9cbc28c4cd629277e014410a7961f102 100644 (file)
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -31,10 +31,9 @@
 #include "openocd.h"
 #include <jtag/driver.h>
 #include <jtag/jtag.h>
+#include <jtag/transport.h>
 #include <helper/ioutil.h>
 #include <helper/configuration.h>
-#include <xsvf/xsvf.h>
-#include <svf/svf.h>
 #include <flash/nor/core.h>
 #include <flash/nand/core.h>
 #include <pld/pld.h>
@@ -120,22 +119,24 @@ COMMAND_HANDLER(handle_init_command)
                /* we must be able to set up the debug adapter */
                return retval;
        }
+
        LOG_DEBUG("Debug Adapter init complete");
 
-       /* Try to initialize & examine the JTAG chain at this point,
-        * but continue startup regardless.  Note that platforms
-        * need to be able to provide JTAG event handlers that use
-        * a variety of JTAG operations in order to do that...
+       /* "transport init" verifies the expected devices are present;
+        * for JTAG, it checks the list of configured TAPs against
+        * what's discoverable, possibly with help from the platform's
+        * JTAG event handlers.  (which require COMMAND_EXEC)
         */
        command_context_mode(CMD_CTX, COMMAND_EXEC);
-       if (command_run_line(CMD_CTX, "jtag init") == ERROR_OK)
-       {
-               LOG_DEBUG("Examining targets...");
-               if (target_examine() != ERROR_OK)
-                       LOG_DEBUG("target examination failed");
-       }
-       else
-               LOG_WARNING("jtag initialization failed; try 'jtag init' again.");
+
+       retval = command_run_line(CMD_CTX, "transport init");
+       if (ERROR_OK != retval)
+               return ERROR_FAIL;
+
+       LOG_DEBUG("Examining targets...");
+       if (target_examine() != ERROR_OK)
+               LOG_DEBUG("target examination failed");
+
        command_context_mode(CMD_CTX, COMMAND_CONFIG);
 
        if (command_run_line(CMD_CTX, "flash init") != ERROR_OK)
@@ -227,16 +228,13 @@ struct command_context *setup_command_handler(Jim_Interp *interp)
                &server_register_commands,
                &gdb_register_commands,
                &log_register_commands,
+               &transport_register_commands,
                &interface_register_commands,
-               &jtag_register_commands,
-               &xsvf_register_commands,
-               &svf_register_commands,
                &target_register_commands,
                &flash_register_commands,
                &nand_register_commands,
                &pld_register_commands,
                &mflash_register_commands,
-               NULL
        };
        for (unsigned i = 0; NULL != command_registrants[i]; i++)
        {