Charles Hardin <ckhardin@gmail.com> and Øyvind Harboe
This patch just uses the command.c interface to create tcl commands for the root level commands and avoids a bit of the "TCL" bleed into the rest of the openocd code. Multilevel commands also supported. git-svn-id: svn://svn.berlios.de/openocd/trunk@818 b42882b7-edfa-0310-969c-e2dbd0fdcd60__archive__
oharboe
parent
6af107855d
commit
44928321e6
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@ -1441,6 +1441,12 @@ Thus, to get the names of the associative array is easy:
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Lists returned must be relatively small. Otherwise a range
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should be passed in to the proc in question.
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Low level commands are prefixed with "openocd_", e.g. openocd_flash_banks
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is the low level API upon which "flash banks" is implemented.
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OpenOCD commands can consist of two words, e.g. "flash banks". The
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startup.tcl "unknown" proc will translate this into a tcl proc
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called "flash_banks".
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@node Upgrading
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@ -188,7 +188,7 @@ int flash_init_drivers(struct command_context_s *cmd_ctx)
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{
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if (flash_banks)
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{
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Jim_CreateCommand(interp, "flash_banks", Jim_Command_flash_banks, NULL, NULL );
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Jim_CreateCommand(interp, "openocd_flash_banks", Jim_Command_flash_banks, NULL, NULL );
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register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
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"print info about flash bank <num>");
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@ -41,15 +41,69 @@
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#include <openocd_tcl.h>
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int fast_and_dangerous = 0;
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extern command_context_t *active_cmd_ctx;
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int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
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{
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Jim_Obj *tclOutput=(Jim_Obj *)privData;
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/* forward declaration of jim_command */
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extern int jim_command(command_context_t *context, char *line);
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Jim_AppendString(interp, tclOutput, string, strlen(string));
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}
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static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
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{
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/* the private data is stashed in the interp structure */
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command_t *c;
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command_context_t *context;
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int *retval;
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int i;
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int nwords;
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char **words;
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target_call_timer_callbacks_now();
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LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
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c = interp->cmdPrivData;
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LOG_DEBUG("script_command - %s", c->name);
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nwords = argc;
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words = malloc(sizeof(char *) * nwords);
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for (i = 0; i < nwords; i++)
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{
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int len;
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words[i] = strdup(Jim_GetString(argv[i], &len));
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if (words[i] == NULL)
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{
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return JIM_ERR;
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}
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LOG_DEBUG("script_command - %s, argv[%u]=%s", c->name, i, words[i]);
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}
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/* grab the command context from the associated data */
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context = Jim_GetAssocData(interp, "context");
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retval = Jim_GetAssocData(interp, "retval");
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if (context != NULL && retval != NULL)
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{
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/* capture log output and return it */
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Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
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log_add_callback(tcl_output, tclOutput);
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*retval = run_command(context, c, words, nwords);
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log_remove_callback(tcl_output, tclOutput);
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Jim_SetResult(interp, tclOutput);
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}
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for (i = 0; i < nwords; i++)
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free(words[i]);
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free(words);
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return (*retval==ERROR_OK)?JIM_OK:JIM_ERR;
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}
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command_t* register_command(command_context_t *context, command_t *parent, char *name, int (*handler)(struct command_context_s *context, char* name, char** args, int argc), enum command_mode mode, char *help)
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{
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@ -98,6 +152,33 @@ command_t* register_command(command_context_t *context, command_t *parent, char
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context->commands = c;
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}
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}
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/* just a placeholder, no handler */
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if (c->handler==NULL)
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return c;
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/* If this is a two level command, e.g. "flash banks", then the
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* "unknown" proc in startup.tcl must redirect to this command.
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*
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* "flash banks" is translated by "unknown" to "flash_banks"
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* if such a proc exists
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*/
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/* Print help for command */
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const char *t1="";
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const char *t2="";
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const char *t3="";
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/* maximum of two levels :-) */
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if (c->parent!=NULL)
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{
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t1=c->parent->name;
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t2="_";
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}
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t3=c->name;
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const char *full_name=alloc_printf("%s%s%s", t1, t2, t3);
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Jim_CreateCommand(interp, full_name, script_command, c, NULL);
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free((void *)full_name);
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/* accumulate help text in Tcl helptext list. */
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Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
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if (Jim_IsShared(helptext))
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@ -196,75 +277,6 @@ int unregister_command(command_context_t *context, char *name)
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return ERROR_OK;
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}
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int parse_line(char *line, char *words[], int max_words)
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{
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int nwords = 0;
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char *p = line;
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char *word_start = line;
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int inquote = 0;
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while (nwords < max_words - 1)
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{
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/* check if we reached
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* a terminating NUL
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* a matching closing quote character " or '
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* we're inside a word but not a quote, and the current character is whitespace
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*/
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if (!*p || *p == inquote || (word_start && !inquote && isspace(*p)))
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{
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/* we're inside a word or quote, and reached its end*/
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if (word_start)
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{
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int len;
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char *word_end=p;
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/* This will handle extra whitespace within quotes */
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while (isspace(*word_start)&&(word_start<word_end))
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word_start++;
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while (isspace(*(word_end-1))&&(word_start<word_end))
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word_end--;
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len = word_end - word_start;
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if (len>0)
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{
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/* copy the word */
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memcpy(words[nwords] = malloc(len + 1), word_start, len);
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/* add terminating NUL */
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words[nwords++][len] = 0;
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}
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}
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/* we're done parsing the line */
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if (!*p)
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break;
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/* skip over trailing quote or whitespace*/
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if (inquote || isspace(*p))
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p++;
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while (isspace(*p))
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p++;
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inquote = 0;
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word_start = 0;
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}
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else if (*p == '"' || *p == '\'')
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{
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/* we've reached the beginning of a quote */
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inquote = *p++;
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word_start = p;
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}
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else
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{
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/* we've reached the beginning of a new word */
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if (!word_start)
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word_start = p;
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/* normal character, skip */
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p++;
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}
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}
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return nwords;
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}
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void command_output_text(command_context_t *context, const char *data)
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{
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@ -308,51 +320,13 @@ void command_print(command_context_t *context, char *format, ...)
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va_end(ap);
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}
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command_t *find_command(command_context_t *context, command_t *commands, char *words[], int num_words, int start_word, int *new_start_word)
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{
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command_t *c;
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for (c = commands; c; c = c->next)
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{
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if (strcasecmp(c->name, words[start_word]))
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continue;
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if ((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode) )
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{
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if (!c->children)
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{
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if (!c->handler)
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{
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return NULL;
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}
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else
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{
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*new_start_word=start_word;
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return c;
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}
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}
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else
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{
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if (start_word == num_words - 1)
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{
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return NULL;
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}
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return find_command(context, c->children, words, num_words, start_word + 1, new_start_word);
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}
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}
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}
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return NULL;
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}
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int find_and_run_command(command_context_t *context, command_t *commands, char *words[], int num_words)
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int run_command(command_context_t *context, command_t *c, char *words[], int num_words)
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{
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int start_word=0;
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command_t *c;
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c = find_command(context, commands, words, num_words, start_word, &start_word);
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if (c == NULL)
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if (!((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode) ))
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{
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/* just return command not found */
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return ERROR_COMMAND_NOTFOUND;
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/* Config commands can not run after the config stage */
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return ERROR_FAIL;
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}
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int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
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}
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t3=c->name;
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command_run_linef(context, "help {%s%s%s}", t1, t2, t3);
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}
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else if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
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{
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@ -388,53 +360,56 @@ int find_and_run_command(command_context_t *context, command_t *commands, char *
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return retval;
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}
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int command_run_line_internal(command_context_t *context, char *line)
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{
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LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
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int nwords;
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char *words[128] = {0};
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int retval;
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int i;
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/* skip preceding whitespace */
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while (isspace(*line))
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line++;
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/* empty line, ignore */
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if (!*line)
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return ERROR_OK;
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/* ignore comments */
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if (*line && (line[0] == '#'))
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return ERROR_OK;
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LOG_DEBUG("%s", line);
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nwords = parse_line(line, words, sizeof(words) / sizeof(words[0]));
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if (nwords > 0)
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{
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retval = find_and_run_command(context, context->commands, words, nwords);
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}
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else
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return ERROR_INVALID_ARGUMENTS;
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for (i = 0; i < nwords; i++)
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free(words[i]);
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return retval;
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}
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int command_run_line(command_context_t *context, char *line)
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{
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/* if a command is unknown to the "unknown" proc in tcl/commands.tcl will
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* redirect it to OpenOCD.
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*
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* This avoids having to type the "openocd" prefix and makes OpenOCD
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* commands "native" to Tcl.
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/* all the parent commands have been registered with the interpreter
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* so, can just evaluate the line as a script and check for
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* results
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*/
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return jim_command(context, line);
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/* run the line thru a script engine */
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int retval;
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int retcode;
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Jim_DeleteAssocData(interp, "context"); /* remove existing */
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retcode = Jim_SetAssocData(interp, "context", NULL, context);
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if (retcode != JIM_OK)
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return ERROR_FAIL;
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/* associated the return value */
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retval = ERROR_OK;
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Jim_DeleteAssocData(interp, "retval"); /* remove existing */
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retcode = Jim_SetAssocData(interp, "retval", NULL, &retval);
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if (retcode != JIM_OK)
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return ERROR_FAIL;
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retcode = Jim_Eval(interp, line);
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if (retcode == JIM_ERR) {
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Jim_PrintErrorMessage(interp);
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} else if (retcode == JIM_EXIT) {
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/* ignore. */
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/* exit(Jim_GetExitCode(interp)); */
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} else {
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const char *result;
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int reslen;
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result = Jim_GetString(Jim_GetResult(interp), &reslen);
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if (reslen) {
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int i;
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char buff[256+1];
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for (i = 0; i < reslen; i += 256)
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{
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int chunk;
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chunk = reslen - i;
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if (chunk > 256)
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chunk = 256;
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strncpy(buff, result+i, chunk);
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buff[chunk] = 0;
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LOG_USER_N("%s", buff);
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}
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LOG_USER_N("%s", "\n");
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}
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}
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return retval;
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}
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@ -466,7 +441,7 @@ command_context_t* copy_command_context(command_context_t* context)
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command_context_t* copy_context = malloc(sizeof(command_context_t));
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*copy_context = *context;
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return copy_context;
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}
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@ -491,15 +466,21 @@ command_context_t* command_init()
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register_command(context, NULL, "sleep", handle_sleep_command,
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COMMAND_ANY, "sleep for <n> milliseconds");
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register_command(context, NULL, "time", handle_time_command,
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COMMAND_ANY, "time <cmd + args> - execute <cmd + args> and print time it took");
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register_command(context, NULL, "fast", handle_fast_command,
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COMMAND_ANY, "fast <enable/disable> - place at beginning of config files. Sets defaults to fast and dangerous.");
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return context;
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}
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int command_context_mode(command_context_t *cmd_ctx, enum command_mode mode)
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{
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if (!cmd_ctx)
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return ERROR_INVALID_ARGUMENTS;
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cmd_ctx->mode = mode;
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return ERROR_OK;
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}
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/* sleep command sleeps for <n> miliseconds
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* this is useful in target startup scripts
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*/
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@ -525,33 +506,3 @@ int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
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return ERROR_OK;
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}
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int handle_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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duration_t duration;
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char *duration_text;
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int retval;
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float t;
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if (argc<1)
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return ERROR_COMMAND_SYNTAX_ERROR;
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duration_start_measure(&duration);
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retval = find_and_run_command(cmd_ctx, cmd_ctx->commands, args, argc);
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if (retval == ERROR_COMMAND_NOTFOUND)
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{
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command_print(cmd_ctx, "Command %s not found", args[0]);
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}
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duration_stop_measure(&duration, &duration_text);
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t=duration.duration.tv_sec;
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t+=((float)duration.duration.tv_usec / 1000000.0);
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command_print(cmd_ctx, "%s took %fs", args[0], t);
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free(duration_text);
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return retval;
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}
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@ -67,15 +67,16 @@ extern int unregister_command(command_context_t *context, char *name);
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extern int unregister_all_commands(command_context_t *context);
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extern void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, const char* line), void *priv);
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extern command_context_t* copy_command_context(command_context_t* context);
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extern int command_context_mode(command_context_t *context, enum command_mode mode);
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extern command_context_t* command_init();
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extern int command_done(command_context_t *context);
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extern void command_print(command_context_t *context, char *format, ...);
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extern void command_print_sameline(command_context_t *context, char *format, ...);
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extern int command_run_line(command_context_t *context, char *line);
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extern int command_run_linef(command_context_t *context, char *format, ...);
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extern int command_run_line_internal(command_context_t *context, char *line);
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extern void command_output_text(command_context_t *context, const char *data);
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#define ERROR_COMMAND_CLOSE_CONNECTION (-600)
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#define ERROR_COMMAND_SYNTAX_ERROR (-601)
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#define ERROR_COMMAND_NOTFOUND (-602)
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@ -486,12 +486,6 @@ static int Jim_Command_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *a
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return JIM_OK;
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}
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static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
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{
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Jim_Obj *tclOutput=(Jim_Obj *)privData;
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|
||||
Jim_AppendString(interp, tclOutput, string, strlen(string));
|
||||
}
|
||||
|
||||
static int openocd_retval;
|
||||
|
||||
|
|
@ -547,48 +541,6 @@ int jim_command(command_context_t *context, char *line)
|
|||
return retval;
|
||||
}
|
||||
|
||||
int startLoop = 0;
|
||||
|
||||
static int Jim_Command_openocd_ignore(Jim_Interp *interp, int argc, Jim_Obj *const *argv, int ignore)
|
||||
{
|
||||
int retval;
|
||||
char *cmd = (char*)Jim_GetString(argv[1], NULL);
|
||||
|
||||
Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
|
||||
|
||||
if (startLoop)
|
||||
{
|
||||
/* We don't know whether or not the telnet/gdb server is running... */
|
||||
target_call_timer_callbacks_now();
|
||||
}
|
||||
|
||||
log_add_callback(tcl_output, tclOutput);
|
||||
retval=command_run_line_internal(active_cmd_ctx, cmd);
|
||||
|
||||
/* we need to be able to get at the retval, so we store in a global variable */
|
||||
openocd_retval=retval;
|
||||
|
||||
if (startLoop)
|
||||
{
|
||||
target_call_timer_callbacks_now();
|
||||
}
|
||||
log_remove_callback(tcl_output, tclOutput);
|
||||
|
||||
Jim_SetResult(interp, tclOutput);
|
||||
|
||||
return (ignore||(retval==ERROR_OK))?JIM_OK:JIM_ERR;
|
||||
}
|
||||
|
||||
static int Jim_Command_openocd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
||||
{
|
||||
return Jim_Command_openocd_ignore(interp, argc, argv, 1);
|
||||
}
|
||||
|
||||
static int Jim_Command_openocd_throw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
||||
{
|
||||
return Jim_Command_openocd_ignore(interp, argc, argv, 0);
|
||||
}
|
||||
|
||||
/* find full path to file */
|
||||
static int Jim_Command_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
||||
{
|
||||
|
|
@ -722,8 +674,6 @@ extern unsigned const char startup_tcl[];
|
|||
|
||||
void initJim(void)
|
||||
{
|
||||
Jim_CreateCommand(interp, "openocd", Jim_Command_openocd, NULL, NULL);
|
||||
Jim_CreateCommand(interp, "openocd_throw", Jim_Command_openocd_throw, NULL, NULL);
|
||||
Jim_CreateCommand(interp, "openocd_find", Jim_Command_find, NULL, NULL);
|
||||
Jim_CreateCommand(interp, "echo", Jim_Command_echo, NULL, NULL);
|
||||
Jim_CreateCommand(interp, "mem2array", Jim_Command_mem2array, NULL, NULL );
|
||||
|
|
@ -843,8 +793,6 @@ int openocd_main(int argc, char *argv[])
|
|||
if (daemon_startup)
|
||||
command_run_line(cmd_ctx, "reset");
|
||||
|
||||
startLoop=1;
|
||||
|
||||
/* handle network connections */
|
||||
server_loop(cmd_ctx);
|
||||
|
||||
|
|
|
|||
|
|
@ -11,8 +11,6 @@
|
|||
# Commands can be more than one word and they are stored
|
||||
# as "flash banks" "help text x x x"
|
||||
|
||||
set ocd_helptext {}
|
||||
|
||||
proc add_help_text {cmd cmd_help} {
|
||||
global ocd_helptext
|
||||
lappend ocd_helptext [list $cmd $cmd_help]
|
||||
|
|
@ -39,10 +37,10 @@ proc board_test {} {
|
|||
|
||||
# Show flash in human readable form
|
||||
# This is an example of a human readable form of a low level fn
|
||||
proc flash_banks_pretty {} {
|
||||
proc flash_banks {} {
|
||||
set i 0
|
||||
set result ""
|
||||
foreach {a} [flash_banks] {
|
||||
foreach {a} [openocd_flash_banks] {
|
||||
if {$i > 0} {
|
||||
set result "$result\n"
|
||||
}
|
||||
|
|
@ -58,14 +56,6 @@ proc exit {} {
|
|||
openocd_throw exit
|
||||
}
|
||||
|
||||
# We have currently converted only "flash banks" to tcl.
|
||||
proc flash args {
|
||||
if {[string compare [lindex $args 0] banks]==0} {
|
||||
return [flash_banks_pretty]
|
||||
}
|
||||
openocd_throw "flash $args"
|
||||
}
|
||||
|
||||
#Print help text for a command. Word wrap
|
||||
#help text that is too wide inside column.
|
||||
proc help {args} {
|
||||
|
|
@ -103,24 +93,30 @@ proc help {args} {
|
|||
add_help_text help "Tcl implementation of help command"
|
||||
|
||||
|
||||
#a bit of backwards compatibility
|
||||
proc openocd_throw {cmd} {
|
||||
return [eval $cmd]
|
||||
}
|
||||
|
||||
#a bit of backwards compatibility
|
||||
proc openocd {cmd} {
|
||||
return [eval $cmd]
|
||||
}
|
||||
|
||||
# If a fn is unknown to Tcl, we try to execute it as an OpenOCD command
|
||||
#
|
||||
# We also support two level commands. "flash banks" is translated to
|
||||
# flash_banks
|
||||
proc unknown {args} {
|
||||
if {[string length $args]>0} {
|
||||
set cmd ""
|
||||
# We need to add back quotes for arguments w/space
|
||||
# for args without space, we can add quotes anyway
|
||||
foreach {a} $args {
|
||||
set cmd "$cmd \"$a\""
|
||||
}
|
||||
openocd_throw $cmd
|
||||
# do the name mangling from "flash banks" to "flash_banks"
|
||||
if {[llength $args]>=2} {
|
||||
set cmd_name "[lindex $args 0]_[lindex $args 1]"
|
||||
# Fix?? add a check here if this is a command?
|
||||
# we'll strip away args until we fail anyway...
|
||||
return [eval "$cmd_name [lrange $args 2 end]"]
|
||||
}
|
||||
# openocd_throw outputs while running and also sets the
|
||||
# primary return value to the output of the command
|
||||
#
|
||||
# The primary return value have been set by "openocd" above,
|
||||
# so we need to clear it, lest we print out the output from
|
||||
# the command twice.
|
||||
return ""
|
||||
# This really is an unknown command.
|
||||
puts "Unknown command: $args"
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -34,6 +34,6 @@ nobase_dist_pkglib_DATA = xscale/debug_handler.bin event/at91eb40a_reset.script
|
|||
interface/calao-usb-a9260.cfg target/at91sam9260minimal.cfg event/lpc2148_reset.script \
|
||||
interface/chameleon.cfg interface/at91rm9200.cfg interface/jlink.cfg interface/arm-usb-ocd.cfg \
|
||||
interface/signalyzer.cfg event/eir-sam7se512_reset.script target/eir-sam7se512.cfg \
|
||||
event/hammer_reset.script interface/flyswatter.cfg target/hammer.cfg target/mx31.cfg target/at91eb40a.tcl \
|
||||
event/hammer_reset.script interface/flyswatter.cfg target/hammer.cfg target/mx31.cfg \
|
||||
event/str730_program.script event/str750_program.script
|
||||
|
||||
|
|
|
|||
|
|
@ -1,55 +0,0 @@
|
|||
#Script for AT91EB40a
|
||||
|
||||
#Atmel ties SRST & TRST together, at which point it makes
|
||||
#no sense to use TRST, but use TMS instead.
|
||||
#
|
||||
#The annoying thing with tying SRST & TRST together is that
|
||||
#there is no way to halt the CPU *before and during* the
|
||||
#SRST reset, which means that the CPU will run a number
|
||||
#of cycles before it can be halted(as much as milliseconds).
|
||||
openocd {reset_config srst_only srst_pulls_trst}
|
||||
|
||||
#jtag scan chain
|
||||
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
||||
openocd {jtag_device 4 0x1 0xf 0xe}
|
||||
|
||||
#target configuration
|
||||
openocd {target arm7tdmi little 0 arm7tdmi-s_r4}
|
||||
|
||||
# speed up memory downloads
|
||||
openocd {arm7 fast_memory_access enable}
|
||||
openocd {arm7_9 dcc_downloads enable}
|
||||
|
||||
#flash driver
|
||||
openocd {flash bank ecosflash 0x01000000 0x200000 2 2 0 ecos/at91eb40a.elf}
|
||||
|
||||
# required for usable performance. Used for lots of
|
||||
# other things than flash programming.
|
||||
openocd {working_area 0 0x00000000 0x20000 nobackup}
|
||||
|
||||
#force hardware values - we're running out of flash more
|
||||
#often than not. The user can disable this in his
|
||||
#subsequent config script.
|
||||
openocd {arm7_9 force_hw_bkpts enable}
|
||||
|
||||
set reset_count 0
|
||||
|
||||
proc target_reset_0 {} {
|
||||
global reset_count
|
||||
# Reset script for AT91EB40a
|
||||
openocd {reg cpsr 0x000000D3}
|
||||
openocd {mww 0xFFE00020 0x1}
|
||||
openocd {mww 0xFFE00024 0x00000000}
|
||||
openocd {mww 0xFFE00000 0x01002539}
|
||||
openocd {mww 0xFFFFF124 0xFFFFFFFF}
|
||||
openocd {mww 0xffff0010 0x100}
|
||||
openocd {mww 0xffff0034 0x100}
|
||||
set reset_count [expr $reset_count+1]
|
||||
echo "Testing reset $reset_count !"
|
||||
}
|
||||
|
||||
proc target_pre_reset_0 {} {
|
||||
global reset_count
|
||||
set reset_count [expr $reset_count+1]
|
||||
echo "Testing pre_reset $reset_count !"
|
||||
}
|
||||
Loading…
Reference in New Issue