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riscv-openocd
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added busy sleep (for testing purposes) 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1033 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-10-09 08:08:29 +00:00
parent a5806d21d2
commit d798871a99
3 changed files with 93 additions and 63 deletions
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144
src/helper/command.c
View File

@ -56,7 +56,7 @@ int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
int run_command(command_context_t *context, command_t *c, char *words[], int num_words);
static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
{
{
Jim_Obj *tclOutput=(Jim_Obj *)privData;
Jim_AppendString(interp, tclOutput, string, strlen(string));
@ -76,8 +76,8 @@ static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
char **words;
target_call_timer_callbacks_now();
LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
c = interp->cmdPrivData;
LOG_DEBUG("script_command - %s", c->name);
@ -92,7 +92,7 @@ static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
break;
}
words[i] = strdup(w);
if (words[i] == NULL)
if (words[i] == NULL)
{
return JIM_ERR;
}
@ -109,16 +109,16 @@ static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
*/
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 */
@ -134,19 +134,19 @@ static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
*return_retval = retval;
}
return (retval==ERROR_OK)?JIM_OK:JIM_ERR;
}
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;
if (!context || !name)
return NULL;
c = malloc(sizeof(command_t));
c->name = strdup(name);
c->parent = parent;
c->children = NULL;
@ -155,7 +155,7 @@ command_t* register_command(command_context_t *context, command_t *parent, char
if (!help)
help="";
c->next = NULL;
/* place command in tree */
if (parent)
{
@ -185,14 +185,14 @@ command_t* register_command(command_context_t *context, command_t *parent, char
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
*/
@ -210,27 +210,27 @@ command_t* register_command(command_context_t *context, command_t *parent, char
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, __FILE__, __LINE__ );
Jim_Eval_Named(interp, override_name, __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);
@ -240,14 +240,14 @@ command_t* register_command(command_context_t *context, command_t *parent, char
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;
@ -257,25 +257,25 @@ int unregister_all_commands(command_context_t *context)
free(c2);
c2 = NULL;
}
context->commands = context->commands->next;
free(c->name);
c->name = NULL;
free(c);
c = NULL;
c = NULL;
}
return ERROR_OK;
}
int unregister_command(command_context_t *context, char *name)
{
command_t *c, *p = NULL, *c2;
if ((!context) || (!name))
return ERROR_INVALID_ARGUMENTS;
/* find command */
for (c = context->commands; c; c = c->next)
{
@ -290,7 +290,7 @@ int unregister_command(command_context_t *context, char *name)
{
context->commands = c->next;
}
/* unregister children */
if (c->children)
{
@ -300,16 +300,16 @@ int unregister_command(command_context_t *context, char *name)
free(c2);
}
}
/* delete command */
free(c->name);
free(c);
}
/* remember the last command for unlinking */
p = c;
}
return ERROR_OK;
}
@ -323,7 +323,7 @@ void command_output_text(command_context_t *context, const char *data)
void command_print_n(command_context_t *context, char *format, ...)
{
char *string;
va_list ap;
va_start(ap, format);
@ -332,7 +332,7 @@ void command_print_n(command_context_t *context, char *format, ...)
{
/* 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);
@ -357,7 +357,7 @@ void command_print(command_context_t *context, char *format, ...)
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);
@ -378,7 +378,7 @@ int run_command(command_context_t *context, command_t *c, char *words[], int num
LOG_ERROR("Illegal mode for command");
return ERROR_FAIL;
}
int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
if (retval == ERROR_COMMAND_SYNTAX_ERROR)
{
@ -404,10 +404,10 @@ int run_command(command_context_t *context, command_t *c, char *words[], int num
/* 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);
LOG_DEBUG("Command failed with error code %d", retval);
}
return retval;
return retval;
}
int command_run_line(command_context_t *context, char *line)
@ -434,9 +434,9 @@ int command_run_line(command_context_t *context, char *line)
if (retcode == JIM_OK)
{
retcode = Jim_Eval_Named(interp, line, __FILE__, __LINE__ );
Jim_DeleteAssocData(interp, "retval");
}
}
Jim_DeleteAssocData(interp, "context");
}
if (retcode == JIM_ERR) {
@ -448,7 +448,7 @@ int command_run_line(command_context_t *context, char *line)
if (retval==ERROR_OK)
{
/* It wasn't a low level OpenOCD command that failed */
return ERROR_FAIL;
return ERROR_FAIL;
}
return retval;
} else if (retcode == JIM_EXIT) {
@ -469,7 +469,7 @@ int command_run_line(command_context_t *context, char *line)
if (chunk > 256)
chunk = 256;
strncpy(buff, result+i, chunk);
buff[chunk] = 0;
buff[chunk] = 0;
LOG_USER_N("%s", buff);
}
LOG_USER_N("%s", "\n");
@ -512,7 +512,7 @@ int command_done(command_context_t *context)
{
free(context);
context = NULL;
return ERROR_OK;
}
@ -527,7 +527,7 @@ static int jim_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
return JIM_ERR;
Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
free(full_path);
Jim_SetResult(interp, result);
return JIM_OK;
}
@ -580,7 +580,7 @@ static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *
ptr += x;
nbytes -= x;
}
return n;
}
@ -655,7 +655,7 @@ command_context_t* command_init()
interp->cb_vfprintf = openocd_jim_vfprintf;
interp->cb_fflush = openocd_jim_fflush;
interp->cb_fgets = openocd_jim_fgets;
add_default_dirs();
#ifdef JIM_EMBEDDED
@ -669,11 +669,11 @@ command_context_t* command_init()
}
register_command(context, NULL, "sleep", handle_sleep_command,
COMMAND_ANY, "sleep for <n> milliseconds");
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;
}
@ -692,10 +692,28 @@ int command_context_mode(command_context_t *cmd_ctx, enum command_mode mode)
int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
unsigned long duration = 0;
if (argc == 1)
int busy = 0;
if (argc==1)
{
} else if (argc==2)
{
if (strcmp(args[1], "busy")!=0)
return ERROR_COMMAND_SYNTAX_ERROR;
busy = 1;
} else
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
duration = strtoul(args[0], NULL, 0);
if (busy)
{
busy_sleep(duration);
} else
{
duration = strtoul(args[0], NULL, 0);
alive_sleep(duration);
}
@ -706,18 +724,18 @@ int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
{
if (argc!=1)
return ERROR_COMMAND_SYNTAX_ERROR;
fast_and_dangerous = strcmp("enable", args[0])==0;
return ERROR_OK;
}
void process_jim_events(void)
void process_jim_events(void)
{
#ifdef JIM_EMBEDDED
static int recursion = 0;
if (!recursion)
if (!recursion)
{
recursion++;
Jim_ProcessEvents (interp, JIM_ALL_EVENTS|JIM_DONT_WAIT);
@ -730,17 +748,17 @@ void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd
{
Jim_CreateCommand(interp, name, cmd, NULL, NULL);
/* FIX!!! it would be prettier to invoke add_help_text...
/* 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);

11
src/helper/log.c
View File

@ -412,3 +412,14 @@ void alive_sleep(int ms)
keep_alive();
}
}
void busy_sleep(int ms)
{
long long then;
then=timeval_ms();
while ((timeval_ms()-then)<ms)
{
/* busy wait */
}
}

1
src/helper/log.h
View File

@ -65,6 +65,7 @@ extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
extern void keep_alive(void);
extern void kept_alive(void);
extern void alive_sleep(int ms);
extern void busy_sleep(int ms);
typedef void (*log_callback_fn)(void *priv, const char *file, int line,
const char *function, const char *string);