* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * Copyright (C) 2008, Duane Ellis *
+ * openocd@duaneeellis.com *
+ * *
* part of this file is taken from libcli (libcli.sourceforge.net) *
* Copyright (C) David Parrish (david@dparrish.com) *
* *
#include "config.h"
#endif
-#include "replacements.h"
+#if !BUILD_ECOSBOARD
+/* see Embedder-HOWTO.txt in Jim Tcl project hosted on BerliOS*/
+#define JIM_EMBEDDED
+#endif
+// @todo the inclusion of target.h here is a layering violation
+#include "target.h"
#include "command.h"
-
+#include "configuration.h"
#include "log.h"
+#include "time_support.h"
+#include "jim-eventloop.h"
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <unistd.h>
-void command_print_help_line(command_context_t* context, struct command_s *command, int indent);
+int fast_and_dangerous = 0;
+Jim_Interp *interp = NULL;
-int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int run_command(command_context_t *context, command_t *c, char *words[], int num_words);
-int build_unique_lengths(command_context_t *context, command_t *commands)
+static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
{
- command_t *c, *p;
+ Jim_Obj *tclOutput = (Jim_Obj *)privData;
+
+ Jim_AppendString(interp, tclOutput, string, strlen(string));
+}
+
+extern command_context_t *global_cmd_ctx;
+
+void script_debug(Jim_Interp *interp, const char *name, int argc, Jim_Obj *const *argv)
+{
+ int i;
+
+ LOG_DEBUG("command - %s", name);
+ for (i = 0; i < argc; i++) {
+ int len;
+ const char *w = Jim_GetString(argv[i], &len);
+
+ /* end of line comment? */
+ if (*w == '#')
+ break;
+
+ LOG_DEBUG("%s - argv[%d]=%s", name, i, w);
+ }
+}
- /* iterate through all commands */
- for (c = commands; c; c = c->next)
+static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ /* the private data is stashed in the interp structure */
+ command_t *c;
+ command_context_t *context;
+ int retval;
+ int i;
+ int nwords;
+ char **words;
+
+ /* DANGER!!!! be careful what we invoke here, since interp->cmdPrivData might
+ * get overwritten by running other Jim commands! Treat it as an
+ * emphemeral global variable that is used in lieu of an argument
+ * to the fn and fish it out manually.
+ */
+ c = interp->cmdPrivData;
+ if (c == NULL)
+ {
+ LOG_ERROR("BUG: interp->cmdPrivData == NULL");
+ return JIM_ERR;
+ }
+ target_call_timer_callbacks_now();
+ LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
+
+ script_debug(interp, c->name, argc, argv);
+
+ words = malloc(sizeof(char *) * argc);
+ for (i = 0; i < argc; i++)
{
- /* find out how many characters are required to uniquely identify a command */
- for (c->unique_len = 1; c->unique_len <= strlen(c->name); c->unique_len++)
+ int len;
+ const char *w = Jim_GetString(argv[i], &len);
+ if (*w=='#')
{
- int foundmatch = 0;
-
- /* for every command, see if the current length is enough */
- for (p = commands; p; p = p->next)
- {
- /* ignore the command itself */
- if (c == p)
- continue;
-
- /* compare commands up to the current length */
- if (strncmp(p->name, c->name, c->unique_len) == 0)
- foundmatch++;
- }
-
- /* when none of the commands matched, we've found the minimum length required */
- if (!foundmatch)
- break;
+ /* hit an end of line comment */
+ break;
+ }
+ words[i] = strdup(w);
+ if (words[i] == NULL)
+ {
+ int j;
+ for (j = 0; j < i; j++)
+ free(words[j]);
+ free(words);
+ return JIM_ERR;
}
-
- /* if the current command has children, build the unique lengths for them */
- if (c->children)
- build_unique_lengths(context, c->children);
}
-
- return ERROR_OK;
+ nwords = i;
+
+ /* grab the command context from the associated data */
+ context = Jim_GetAssocData(interp, "context");
+ if (context == NULL)
+ {
+ /* Tcl can invoke commands directly instead of via command_run_line(). This would
+ * happen when the Jim Tcl interpreter is provided by eCos.
+ */
+ context = global_cmd_ctx;
+ }
+
+ /* capture log output and return it */
+ Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
+ /* a garbage collect can happen, so we need a reference count to this object */
+ Jim_IncrRefCount(tclOutput);
+
+ log_add_callback(tcl_output, tclOutput);
+
+ retval = run_command(context, c, words, nwords);
+
+ log_remove_callback(tcl_output, tclOutput);
+
+ /* We dump output into this local variable */
+ Jim_SetResult(interp, tclOutput);
+ Jim_DecrRefCount(interp, tclOutput);
+
+ for (i = 0; i < nwords; i++)
+ free(words[i]);
+ free(words);
+
+ int *return_retval = Jim_GetAssocData(interp, "retval");
+ if (return_retval != NULL)
+ {
+ *return_retval = retval;
+ }
+
+ return (retval == ERROR_OK)?JIM_OK:JIM_ERR;
}
-/* Avoid evaluating this each time we add a command. Reduces overhead from O(n^2) to O(n).
- * Makes a difference on ARM7 types machines and is not observable on GHz machines.
- */
-static int unique_length_dirty = 1;
+/* nice short description of source file */
+#define __THIS__FILE__ "command.c"
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)
{
command_t *c, *p;
- unique_length_dirty = 1;
-
+
if (!context || !name)
return NULL;
-
+
c = malloc(sizeof(command_t));
-
+
c->name = strdup(name);
c->parent = parent;
c->children = NULL;
c->handler = handler;
c->mode = mode;
- if (help)
- c->help = strdup(help);
- else
- c->help = NULL;
- c->unique_len = 0;
+ if (!help)
+ help="";
c->next = NULL;
-
+
/* place command in tree */
if (parent)
{
context->commands = c;
}
}
-
+
+ /* just a placeholder, no handler */
+ if (c->handler == NULL)
+ return c;
+
+ /* If this is a two level command, e.g. "flash banks", then the
+ * "unknown" proc in startup.tcl must redirect to this command.
+ *
+ * "flash banks" is translated by "unknown" to "flash_banks"
+ * if such a proc exists
+ */
+ /* Print help for command */
+ const char *t1="";
+ const char *t2="";
+ const char *t3="";
+ /* maximum of two levels :-) */
+ if (c->parent != NULL)
+ {
+ t1 = c->parent->name;
+ t2="_";
+ }
+ t3 = c->name;
+ const char *full_name = alloc_printf("ocd_%s%s%s", t1, t2, t3);
+ Jim_CreateCommand(interp, full_name, script_command, c, NULL);
+ free((void *)full_name);
+
+ /* we now need to add an overrideable proc */
+ const char *override_name = alloc_printf("proc %s%s%s {args} {if {[catch {eval ocd_%s%s%s $args}]==0} {return \"\"} else { return -code error }", t1, t2, t3, t1, t2, t3);
+ Jim_Eval_Named(interp, override_name, __THIS__FILE__, __LINE__);
+ free((void *)override_name);
+
+ /* accumulate help text in Tcl helptext list. */
+ Jim_Obj *helptext = Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
+ if (Jim_IsShared(helptext))
+ helptext = Jim_DuplicateObj(interp, helptext);
+ Jim_Obj *cmd_entry = Jim_NewListObj(interp, NULL, 0);
+
+ Jim_Obj *cmd_list = Jim_NewListObj(interp, NULL, 0);
+
+ /* maximum of two levels :-) */
+ if (c->parent != NULL)
+ {
+ Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->parent->name, -1));
+ }
+ Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->name, -1));
+
+ Jim_ListAppendElement(interp, cmd_entry, cmd_list);
+ Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
+ Jim_ListAppendElement(interp, helptext, cmd_entry);
return c;
}
+int unregister_all_commands(command_context_t *context)
+{
+ command_t *c, *c2;
+
+ if (context == NULL)
+ return ERROR_OK;
+
+ while (NULL != context->commands)
+ {
+ c = context->commands;
+
+ while (NULL != c->children)
+ {
+ c2 = c->children;
+ c->children = c->children->next;
+ free(c2->name);
+ c2->name = NULL;
+ free(c2);
+ c2 = NULL;
+ }
+
+ context->commands = context->commands->next;
+
+ free(c->name);
+ c->name = NULL;
+ free(c);
+ c = NULL;
+ }
+
+ return ERROR_OK;
+}
+
int unregister_command(command_context_t *context, char *name)
{
- unique_length_dirty = 1;
-
command_t *c, *p = NULL, *c2;
-
+
if ((!context) || (!name))
return ERROR_INVALID_ARGUMENTS;
-
+
/* find command */
- for (c = context->commands; c; c = c->next)
+ c = context->commands;
+
+ while (NULL != c)
{
if (strcmp(name, c->name) == 0)
{
}
else
{
+ /* first element in command list */
context->commands = c->next;
}
-
+
/* unregister children */
- if (c->children)
+ while (NULL != c->children)
{
- for (c2 = c->children; c2; c2 = c2->next)
- {
- free(c2->name);
- if (c2->help)
- free(c2->help);
- free(c2);
- }
+ c2 = c->children;
+ c->children = c->children->next;
+ free(c2->name);
+ c2->name = NULL;
+ free(c2);
+ c2 = NULL;
}
-
+
/* delete command */
free(c->name);
- if (c->help)
- free(c->help);
+ c->name = NULL;
free(c);
+ c = NULL;
+ return ERROR_OK;
}
-
+
/* remember the last command for unlinking */
p = c;
+ c = c->next;
}
-
+
return ERROR_OK;
}
-int parse_line(char *line, char *words[], int max_words)
+void command_output_text(command_context_t *context, const char *data)
{
- int nwords = 0;
- char *p = line;
- char *word_start = line;
- int inquote = 0;
+ if (context && context->output_handler && data) {
+ context->output_handler(context, data);
+ }
+}
- while (nwords < max_words - 1)
+void command_print_sameline(command_context_t *context, const char *format, ...)
+{
+ char *string;
+
+ va_list ap;
+ va_start(ap, format);
+
+ string = alloc_vprintf(format, ap);
+ if (string != NULL)
{
- /* check if we reached
- * a terminating NUL
- * a matching closing quote character " or '
- * we're inside a word but not a quote, and the current character is whitespace
+ /* we want this collected in the log + we also want to pick it up as a tcl return
+ * value.
+ *
+ * The latter bit isn't precisely neat, but will do for now.
*/
- if (!*p || *p == inquote || (word_start && !inquote && isspace(*p)))
- {
- /* we're inside a word or quote, and reached its end*/
- if (word_start)
- {
- int len;
- char *word_end=p;
-
- /* This will handle extra whitespace within quotes */
- while (isspace(*word_start)&&(word_start<word_end))
- word_start++;
- while (isspace(*(word_end-1))&&(word_start<word_end))
- word_end--;
- len = word_end - word_start;
-
- if (len>0)
- {
- /* copy the word */
- memcpy(words[nwords] = malloc(len + 1), word_start, len);
- /* add terminating NUL */
- words[nwords++][len] = 0;
- }
- }
- /* we're done parsing the line */
- if (!*p)
- break;
-
- /* skip over trailing quote or whitespace*/
- if (inquote || isspace(*p))
- p++;
- while (isspace(*p))
- p++;
-
- inquote = 0;
- word_start = 0;
- }
- else if (*p == '"' || *p == '\'')
- {
- /* we've reached the beginning of a quote */
- inquote = *p++;
- word_start = p;
- }
- else
- {
- /* we've reached the beginning of a new word */
- if (!word_start)
- word_start = p;
-
- /* normal character, skip */
- p++;
- }
+ LOG_USER_N("%s", string);
+ /* We already printed it above */
+ /* command_output_text(context, string); */
+ free(string);
+ }
+
+ va_end(ap);
+}
+
+void command_print(command_context_t *context, const char *format, ...)
+{
+ char *string;
+
+ va_list ap;
+ va_start(ap, format);
+
+ string = alloc_vprintf(format, ap);
+ if (string != NULL)
+ {
+ strcat(string, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
+ /* we want this collected in the log + we also want to pick it up as a tcl return
+ * value.
+ *
+ * The latter bit isn't precisely neat, but will do for now.
+ */
+ LOG_USER_N("%s", string);
+ /* We already printed it above */
+ /* command_output_text(context, string); */
+ free(string);
}
-
- return nwords;
+
+ va_end(ap);
}
-void command_print(command_context_t *context, char *format, ...)
+int run_command(command_context_t *context, command_t *c, char *words[], int num_words)
{
- char *buffer = NULL;
- int n, size = 0;
- char *p;
+ int start_word = 0;
+ if (!((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode)))
+ {
+ /* Config commands can not run after the config stage */
+ LOG_ERROR("Command '%s' only runs during configuration stage", c->name);
+ return ERROR_FAIL;
+ }
- /* process format string */
- for (;;)
+ int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
+ if (retval == ERROR_COMMAND_SYNTAX_ERROR)
{
- va_list ap;
- va_start(ap, format);
- if (!buffer || (n = vsnprintf(buffer, size, format, ap)) >= size)
+ /* Print help for command */
+ const char *t1="";
+ const char *t2="";
+ const char *t3="";
+ /* maximum of two levels :-) */
+ if (c->parent != NULL)
{
- /* increase buffer until it fits the whole string */
- if (!(p = realloc(buffer, size += 4096)))
- {
- /* gotta free up */
- if (buffer)
- free(buffer);
- va_end(ap);
- return;
- }
-
- buffer = p;
-
- va_end(ap);
- continue;
+ t1 = c->parent->name;
+ t2=" ";
}
- va_end(ap);
- break;
+ t3 = c->name;
+ command_run_linef(context, "help {%s%s%s}", t1, t2, t3);
+ }
+ else if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
+ {
+ /* just fall through for a shutdown request */
}
-
- /* vsnprintf failed */
- if (n < 0)
+ else if (retval != ERROR_OK)
{
- if (buffer)
- free(buffer);
- return;
- }
-
- p = buffer;
-
- /* process lines in buffer */
- do {
- char *next = strchr(p, '\n');
-
- if (next)
- *next++ = 0;
-
- if (context->output_handler)
- context->output_handler(context, p);
-
- p = next;
- } while (p);
-
- if (buffer)
- free(buffer);
+ /* we do not print out an error message because the command *should*
+ * have printed out an error
+ */
+ LOG_DEBUG("Command failed with error code %d", retval);
+ }
+
+ return retval;
}
-int find_and_run_command(command_context_t *context, command_t *commands, char *words[], int num_words, int start_word)
+int command_run_line(command_context_t *context, char *line)
{
- command_t *c;
-
- if (unique_length_dirty)
- {
- unique_length_dirty = 0;
- /* update unique lengths */
- build_unique_lengths(context, context->commands);
- }
-
- for (c = commands; c; c = c->next)
+ /* all the parent commands have been registered with the interpreter
+ * so, can just evaluate the line as a script and check for
+ * results
+ */
+ /* run the line thru a script engine */
+ int retval = ERROR_FAIL;
+ int retcode;
+ /* Beware! This code needs to be reentrant. It is also possible
+ * for OpenOCD commands to be invoked directly from Tcl. This would
+ * happen when the Jim Tcl interpreter is provided by eCos for
+ * instance.
+ */
+ Jim_DeleteAssocData(interp, "context");
+ retcode = Jim_SetAssocData(interp, "context", NULL, context);
+ if (retcode == JIM_OK)
{
- if (strncasecmp(c->name, words[start_word], c->unique_len))
- continue;
+ /* associated the return value */
+ Jim_DeleteAssocData(interp, "retval");
+ retcode = Jim_SetAssocData(interp, "retval", NULL, &retval);
+ if (retcode == JIM_OK)
+ {
+ retcode = Jim_Eval_Named(interp, line, __THIS__FILE__, __LINE__);
- if (strncasecmp(c->name, words[start_word], strlen(words[start_word])))
- continue;
-
- if ((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode) )
+ Jim_DeleteAssocData(interp, "retval");
+ }
+ Jim_DeleteAssocData(interp, "context");
+ }
+ if (retcode == JIM_ERR) {
+ if (retval != ERROR_COMMAND_CLOSE_CONNECTION)
{
- if (!c->children)
- {
- if (!c->handler)
- {
- command_print(context, "No handler for command");
- break;
- }
- else
- {
- int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
- if (retval == ERROR_COMMAND_SYNTAX_ERROR)
- {
- command_print(context, "Syntax error:");
- command_print_help_line(context, c, 0);
- }
- return retval;
- }
- }
- else
+ /* We do not print the connection closed error message */
+ Jim_PrintErrorMessage(interp);
+ }
+ if (retval == ERROR_OK)
+ {
+ /* It wasn't a low level OpenOCD command that failed */
+ return ERROR_FAIL;
+ }
+ return retval;
+ } else if (retcode == JIM_EXIT) {
+ /* ignore. */
+ /* exit(Jim_GetExitCode(interp)); */
+ } else {
+ const char *result;
+ int reslen;
+
+ result = Jim_GetString(Jim_GetResult(interp), &reslen);
+ if (reslen > 0)
+ {
+ int i;
+ char buff[256 + 1];
+ for (i = 0; i < reslen; i += 256)
{
- if (start_word == num_words - 1)
- {
- command_print(context, "Incomplete command");
- break;
- }
- return find_and_run_command(context, c->children, words, num_words, start_word + 1);
+ int chunk;
+ chunk = reslen - i;
+ if (chunk > 256)
+ chunk = 256;
+ strncpy(buff, result + i, chunk);
+ buff[chunk] = 0;
+ LOG_USER_N("%s", buff);
}
+ LOG_USER_N("%s", "\n");
}
+ retval = ERROR_OK;
}
-
- command_print(context, "Command %s not found", words[start_word]);
- return ERROR_OK;
+ return retval;
}
-static int command_run_line_inner(command_context_t *context, char *line)
+int command_run_linef(command_context_t *context, const char *format, ...)
{
- int nwords;
- char *words[128] = {0};
- int retval;
- int i;
-
- if ((!context) || (!line))
- return ERROR_INVALID_ARGUMENTS;
-
- /* skip preceding whitespace */
- while (isspace(*line))
- line++;
-
- /* empty line, ignore */
- if (!*line)
- return ERROR_OK;
-
- /* ignore comments */
- if (*line && (line[0] == '#'))
- return ERROR_OK;
-
- if (context->echo)
+ int retval = ERROR_FAIL;
+ char *string;
+ va_list ap;
+ va_start(ap, format);
+ string = alloc_vprintf(format, ap);
+ if (string != NULL)
{
- command_print(context, "%s", line);
+ retval = command_run_line(context, string);
}
-
- nwords = parse_line(line, words, sizeof(words) / sizeof(words[0]));
-
- if (nwords > 0)
- retval = find_and_run_command(context, context->commands, words, nwords, 0);
- else
- return ERROR_INVALID_ARGUMENTS;
-
- for (i = 0; i < nwords; i++)
- free(words[i]);
-
+ va_end(ap);
return retval;
}
-int command_run_line(command_context_t *context, char *line)
+void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, const char* line), void *priv)
{
- int retval=command_run_line_inner(context, line);
- // we don't want any dangling callbacks!
- //
- // Capturing output from logging is *very* loosly modeled on C/C++ exceptions.
- // the capture must be set up at function entry and
- // stops when the function call returns
- log_setCallback(NULL, NULL);
- return retval;
+ context->output_handler = output_handler;
+ context->output_handler_priv = priv;
}
-int command_run_file(command_context_t *context, FILE *file, enum command_mode mode)
+
+command_context_t* copy_command_context(command_context_t* context)
{
- int retval = ERROR_OK;
- int old_command_mode;
- char *buffer=malloc(4096);
- if (buffer==NULL)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
-
- old_command_mode = context->mode;
- context->mode = mode;
-
- while (fgets(buffer, 4096, file))
- {
- char *p;
- char *cmd, *end;
-
- /* stop processing line after a comment (#, !) or a LF, CR were encountered */
- if ((p = strpbrk(buffer, "#!\r\n")))
- *p = 0;
-
- /* skip over leading whitespace */
- cmd = buffer;
- while (isspace(*cmd))
- cmd++;
-
- /* empty (all whitespace) line? */
- if (!*cmd)
- continue;
-
- /* search the end of the current line, ignore trailing whitespace */
- for (p = end = cmd; *p; p++)
- if (!isspace(*p))
- end = p;
-
- /* terminate end */
- *++end = 0;
- if (strcasecmp(cmd, "quit") == 0)
- break;
+ command_context_t* copy_context = malloc(sizeof(command_context_t));
- /* run line */
- if ((retval = command_run_line_inner(context, cmd)) == ERROR_COMMAND_CLOSE_CONNECTION)
- break;
- }
-
- context->mode = old_command_mode;
+ *copy_context = *context;
-
- free(buffer);
-
- return retval;
+ return copy_context;
}
-void command_print_help_line(command_context_t* context, struct command_s *command, int indent)
+int command_done(command_context_t *context)
{
- command_t *c;
- char indents[32] = {0};
- char *help = "no help available";
- char name_buf[64];
- int i;
-
- for (i = 0; i < indent; i+=2)
- {
- indents[i*2] = ' ';
- indents[i*2+1] = '-';
- }
- indents[i*2] = 0;
-
- if (command->help)
- help = command->help;
-
- snprintf(name_buf, 64, command->name);
- strncat(name_buf, indents, 64);
- command_print(context, "%20s\t%s", name_buf, help);
-
- if (command->children)
+ free(context);
+ context = NULL;
+
+ return ERROR_OK;
+}
+
+/* find full path to file */
+static int jim_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ if (argc != 2)
+ return JIM_ERR;
+ const char *file = Jim_GetString(argv[1], NULL);
+ char *full_path = find_file(file);
+ if (full_path == NULL)
+ return JIM_ERR;
+ Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
+ free(full_path);
+
+ Jim_SetResult(interp, result);
+ return JIM_OK;
+}
+
+static int jim_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ if (argc != 2)
+ return JIM_ERR;
+ const char *str = Jim_GetString(argv[1], NULL);
+ LOG_USER("%s", str);
+ return JIM_OK;
+}
+
+static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *cookie)
+{
+ size_t nbytes;
+ const char *ptr;
+ Jim_Interp *interp;
+
+ /* make it a char easier to read code */
+ ptr = _ptr;
+ interp = cookie;
+ nbytes = size * n;
+ if (ptr == NULL || interp == NULL || nbytes == 0) {
+ return 0;
+ }
+
+ /* do we have to chunk it? */
+ if (ptr[nbytes] == 0)
{
- for (c = command->children; c; c = c->next)
- {
- command_print_help_line(context, c, indent + 1);
+ /* no it is a C style string */
+ LOG_USER_N("%s", ptr);
+ return strlen(ptr);
+ }
+ /* GRR we must chunk - not null terminated */
+ while (nbytes) {
+ char chunk[128 + 1];
+ int x;
+
+ x = nbytes;
+ if (x > 128) {
+ x = 128;
}
+ /* copy it */
+ memcpy(chunk, ptr, x);
+ /* terminate it */
+ chunk[n] = 0;
+ /* output it */
+ LOG_USER_N("%s", chunk);
+ ptr += x;
+ nbytes -= x;
}
+
+ return n;
}
-int command_print_help(command_context_t* context, char* name, char** args, int argc)
+static size_t openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie)
{
- command_t *c;
+ /* TCL wants to read... tell him no */
+ return 0;
+}
- for (c = context->commands; c; c = c->next)
- {
- if (argc == 1)
- {
- if (strncasecmp(c->name, args[0], c->unique_len))
- continue;
+static int openocd_jim_vfprintf(void *cookie, const char *fmt, va_list ap)
+{
+ char *cp;
+ int n;
+ Jim_Interp *interp;
- if (strncasecmp(c->name, args[0], strlen(args[0])))
- continue;
- }
+ n = -1;
+ interp = cookie;
+ if (interp == NULL)
+ return n;
- command_print_help_line(context, c, 0);
+ cp = alloc_vprintf(fmt, ap);
+ if (cp)
+ {
+ LOG_USER_N("%s", cp);
+ n = strlen(cp);
+ free(cp);
}
-
- return ERROR_OK;
+ return n;
}
-void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, char* line), void *priv)
+static int openocd_jim_fflush(void *cookie)
{
- context->output_handler = output_handler;
- context->output_handler_priv = priv;
+ /* nothing to flush */
+ return 0;
}
-command_context_t* copy_command_context(command_context_t* context)
+static char* openocd_jim_fgets(char *s, int size, void *cookie)
{
- command_context_t* copy_context = malloc(sizeof(command_context_t));
+ /* not supported */
+ errno = ENOTSUP;
+ return NULL;
+}
- *copy_context = *context;
-
- return copy_context;
+static int jim_capture(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ if (argc != 2)
+ return JIM_ERR;
+ int retcode;
+ const char *str = Jim_GetString(argv[1], NULL);
+
+ /* capture log output and return it */
+ Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
+ /* a garbage collect can happen, so we need a reference count to this object */
+ Jim_IncrRefCount(tclOutput);
+
+ log_add_callback(tcl_output, tclOutput);
+
+ retcode = Jim_Eval_Named(interp, str, __THIS__FILE__, __LINE__);
+
+ log_remove_callback(tcl_output, tclOutput);
+
+ /* We dump output into this local variable */
+ Jim_SetResult(interp, tclOutput);
+ Jim_DecrRefCount(interp, tclOutput);
+
+ return retcode;
}
-int command_done(command_context_t *context)
+/* sleep command sleeps for <n> miliseconds
+ * this is useful in target startup scripts
+ */
+static int handle_sleep_command(struct command_context_s *cmd_ctx,
+ char *cmd, char **args, int argc)
{
- free(context);
- context = NULL;
-
+ bool busy = false;
+ if (argc == 2)
+ {
+ if (strcmp(args[1], "busy") == 0)
+ busy = true;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ else if (argc < 1 || argc > 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ unsigned long duration = 0;
+ int retval = parse_ulong(args[0], &duration);
+ if (ERROR_OK != retval)
+ return retval;
+
+ if (!busy)
+ {
+ long long then = timeval_ms();
+ while (timeval_ms() - then < (long long)duration)
+ {
+ target_call_timer_callbacks_now();
+ usleep(1000);
+ }
+ }
+ else
+ busy_sleep(duration);
+
+ return ERROR_OK;
+}
+
+static int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ fast_and_dangerous = strcmp("enable", args[0]) == 0;
+
return ERROR_OK;
}
+
command_context_t* command_init()
{
command_context_t* context = malloc(sizeof(command_context_t));
-
+ extern const char startup_tcl[];
+ const char *HostOs;
+
context->mode = COMMAND_EXEC;
context->commands = NULL;
context->current_target = 0;
- context->echo = 0;
context->output_handler = NULL;
context->output_handler_priv = NULL;
-
- register_command(context, NULL, "help", command_print_help,
- COMMAND_EXEC, "display this help");
-
- register_command(context, NULL, "sleep", handle_sleep_command,
- COMMAND_ANY, "sleep for <n> milliseconds");
-
+
+#if !BUILD_ECOSBOARD
+ Jim_InitEmbedded();
+ /* Create an interpreter */
+ interp = Jim_CreateInterp();
+ /* Add all the Jim core commands */
+ Jim_RegisterCoreCommands(interp);
+#endif
+
+#if defined(_MSC_VER)
+ /* WinXX - is generic, the forward
+ * looking problem is this:
+ *
+ * "win32" or "win64"
+ *
+ * "winxx" is generic.
+ */
+ HostOs = "winxx";
+#elif defined(__linux__)
+ HostOs = "linux";
+#elif defined(__DARWIN__)
+ HostOs = "darwin";
+#elif defined(__CYGWIN__)
+ HostOs = "cygwin";
+#elif defined(__MINGW32__)
+ HostOs = "mingw32";
+#else
+#warn unrecognized host OS...
+ HostOs = "other";
+#endif
+ Jim_SetGlobalVariableStr(interp, "ocd_HOSTOS",
+ Jim_NewStringObj(interp, HostOs , strlen(HostOs)));
+
+ Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL);
+ Jim_CreateCommand(interp, "echo", jim_echo, NULL, NULL);
+ Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL);
+
+ /* Set Jim's STDIO */
+ interp->cookie_stdin = interp;
+ interp->cookie_stdout = interp;
+ interp->cookie_stderr = interp;
+ interp->cb_fwrite = openocd_jim_fwrite;
+ interp->cb_fread = openocd_jim_fread ;
+ interp->cb_vfprintf = openocd_jim_vfprintf;
+ interp->cb_fflush = openocd_jim_fflush;
+ interp->cb_fgets = openocd_jim_fgets;
+
+#if !BUILD_ECOSBOARD
+ Jim_EventLoopOnLoad(interp);
+#endif
+ if (Jim_Eval_Named(interp, startup_tcl, "embedded:startup.tcl",1) == JIM_ERR)
+ {
+ LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
+ Jim_PrintErrorMessage(interp);
+ exit(-1);
+ }
+
+ register_command(context, NULL, "sleep",
+ handle_sleep_command, COMMAND_ANY,
+ "<n> [busy] - sleep for n milliseconds. "
+ "\"busy\" means busy wait");
+ register_command(context, NULL, "fast",
+ handle_fast_command, COMMAND_ANY,
+ "fast <enable/disable> - place at beginning of "
+ "config files. Sets defaults to fast and dangerous.");
+
return context;
}
-/* sleep command sleeps for <n> miliseconds
- * this is useful in target startup scripts
- */
-int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int command_context_mode(command_context_t *cmd_ctx, enum command_mode mode)
{
- unsigned long duration = 0;
-
- if (argc == 1)
+ if (!cmd_ctx)
+ return ERROR_INVALID_ARGUMENTS;
+
+ cmd_ctx->mode = mode;
+ return ERROR_OK;
+}
+
+void process_jim_events(void)
+{
+#if !BUILD_ECOSBOARD
+ static int recursion = 0;
+
+ if (!recursion)
{
- duration = strtoul(args[0], NULL, 0);
- usleep(duration * 1000);
+ recursion++;
+ Jim_ProcessEvents (interp, JIM_ALL_EVENTS | JIM_DONT_WAIT);
+ recursion--;
}
+#endif
+}
- return ERROR_OK;
+void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help)
+{
+ Jim_CreateCommand(interp, name, cmd, NULL, NULL);
+
+ /* FIX!!! it would be prettier to invoke add_help_text...
+ * accumulate help text in Tcl helptext list. */
+ Jim_Obj *helptext = Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
+ if (Jim_IsShared(helptext))
+ helptext = Jim_DuplicateObj(interp, helptext);
+
+ Jim_Obj *cmd_entry = Jim_NewListObj(interp, NULL, 0);
+
+ Jim_Obj *cmd_list = Jim_NewListObj(interp, NULL, 0);
+ Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, name, -1));
+
+ Jim_ListAppendElement(interp, cmd_entry, cmd_list);
+ Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
+ Jim_ListAppendElement(interp, helptext, cmd_entry);
+}
+
+/* return global variable long value or 0 upon failure */
+long jim_global_long(const char *variable)
+{
+ Jim_Obj *objPtr = Jim_GetGlobalVariableStr(interp, variable, JIM_ERRMSG);
+ long t;
+ if (Jim_GetLong(interp, objPtr, &t) == JIM_OK)
+ {
+ return t;
+ }
+ return 0;
}
+
+#define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
+ int parse##name(const char *str, type *ul) \
+ { \
+ if (!*str) \
+ { \
+ LOG_ERROR("Invalid command argument"); \
+ return ERROR_COMMAND_ARGUMENT_INVALID; \
+ } \
+ char *end; \
+ *ul = func(str, &end, 0); \
+ if (*end) \
+ { \
+ LOG_ERROR("Invalid command argument"); \
+ return ERROR_COMMAND_ARGUMENT_INVALID; \
+ } \
+ if ((max == *ul) && (ERANGE == errno)) \
+ { \
+ LOG_ERROR("Argument overflow"); \
+ return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
+ } \
+ if (min && (min == *ul) && (ERANGE == errno)) \
+ { \
+ LOG_ERROR("Argument underflow"); \
+ return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
+ } \
+ return ERROR_OK; \
+ }
+DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, 0, ULONG_MAX)
+DEFINE_PARSE_NUM_TYPE(_ullong, unsigned long long, strtoull, 0, ULLONG_MAX)
+DEFINE_PARSE_NUM_TYPE(_long, long , strtol, LONG_MIN, LONG_MAX)
+DEFINE_PARSE_NUM_TYPE(_llong, long long, strtoll, LLONG_MIN, LLONG_MAX)
+
+#define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
+ int parse##name(const char *str, type *ul) \
+ { \
+ functype n; \
+ int retval = parse##funcname(str, &n); \
+ if (ERROR_OK != retval) \
+ return retval; \
+ if (n > max) \
+ return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
+ if (min) \
+ return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
+ *ul = n; \
+ return ERROR_OK; \
+ }
+
+#define DEFINE_PARSE_ULONG(name, type, min, max) \
+ DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long, _ulong)
+DEFINE_PARSE_ULONG(_uint, unsigned, 0, UINT_MAX)
+DEFINE_PARSE_ULONG(_u32, uint32_t, 0, UINT32_MAX)
+DEFINE_PARSE_ULONG(_u16, uint16_t, 0, UINT16_MAX)
+DEFINE_PARSE_ULONG(_u8, uint8_t, 0, UINT8_MAX)
+
+#define DEFINE_PARSE_LONG(name, type, min, max) \
+ DEFINE_PARSE_WRAPPER(name, type, min, max, long, _long)
+DEFINE_PARSE_LONG(_int, int, n < INT_MIN, INT_MAX)
+DEFINE_PARSE_LONG(_s32, int32_t, n < INT32_MIN, INT32_MAX)
+DEFINE_PARSE_LONG(_s16, int16_t, n < INT16_MIN, INT16_MAX)
+DEFINE_PARSE_LONG(_s8, int8_t, n < INT8_MIN, INT8_MAX)
Code Review / openocd.git / blobdiff