Hiroshi Ito <ito@mlb.co.jp> Linux for arm has arm generic debug option which send...

DCC channel.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1432 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/doc/openocd.texi b/doc/openocd.texi
index d3e119cf38187ac1d9bd01b965932c7c302f73bf..c67e34b73a98270222762a50a394cc20562f1625 100644 (file)
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -2871,9 +2871,9 @@ encoding of the [M4:M0] bits of the PSR.
 OpenOCD can handle certain target requests, currently debugmsg are only supported for arm7_9 and cortex_m3.
 See libdcc in the contrib dir for more details.
 @itemize @bullet
-@item @b{target_request debugmsgs} <@var{enable}|@var{disable}>
+@item @b{target_request debugmsgs} <@var{enable}|@var{disable}|@var{charmsg}>
 @cindex target_request debugmsgs
-@*Enable/disable target debugmsgs requests. debugmsgs enable messages to be sent to the debugger while the target is running.
+@*Enable/disable target debugmsgs requests. debugmsgs enable messages to be sent to the debugger while the target is running. @var{charmsg} recives the message like linux kernel ``Kernel low-level debugging via EmbeddedICE DCC channel'' option way.
 @end itemize
 
 @node JTAG Commands

diff --git a/src/target/target_request.c b/src/target/target_request.c
index b266fea5ed48d0854a1305f16eb7433df1f8dcb4..9c8551f52c854c9eac87f3727dcd68ed128a7e46 100644 (file)
--- a/src/target/target_request.c
+++ b/src/target/target_request.c
@@ -39,6 +39,7 @@
 #include <string.h>
 
 command_t *target_request_cmd = NULL;
+static int charmsg_mode = 0;
 
 int target_asciimsg(target_t *target, u32 length)
 {
@@ -119,7 +120,11 @@ int target_hexmsg(target_t *target, int size, u32 length)
 int target_request(target_t *target, u32 request)
 {
        target_req_cmd_t target_req_cmd = request & 0xff;
-       
+
+       if ( charmsg_mode ) {
+               target_charmsg(target, target_req_cmd );
+               return ERROR_OK;
+       }
        switch (target_req_cmd)
        {
                case TARGET_REQ_TRACEMSG:
@@ -268,7 +273,7 @@ int handle_target_request_debugmsgs_command(struct command_context_s *cmd_ctx, c
 
        if (argc > 0)
        {
-               if (!strcmp(args[0], "enable"))
+               if (!strcmp(args[0], "enable") || !strcmp(args[0], "charmsg"))
                {
                        /* don't register if this command context is already receiving */
                        if (!receiving)
@@ -276,6 +281,7 @@ int handle_target_request_debugmsgs_command(struct command_context_s *cmd_ctx, c
                                receiving = 1;
                                add_debug_msg_receiver(cmd_ctx, target);
                        }
+                       charmsg_mode = !strcmp(args[0], "charmsg");
                }
                else if (!strcmp(args[0], "disable"))
                {
@@ -288,13 +294,12 @@ int handle_target_request_debugmsgs_command(struct command_context_s *cmd_ctx, c
                }
                else
                {
-                       command_print(cmd_ctx, "usage: target_request debugmsgs ['enable'|'disable']");
+                       command_print(cmd_ctx, "usage: target_request debugmsgs ['enable'|'disable'|'charmsg']");
                }
        }
        
        command_print(cmd_ctx, "receiving debug messages from current target %s",
-                       (receiving) ? "enabled" : "disabled");
-       
+                     (receiving) ? (charmsg_mode?"charmsg":"enabled") : "disabled" );
        return ERROR_OK;
 }