Added -endstate to irscan and drscan to support beagleboard (omap3530)

git-svn-id: svn://svn.berlios.de/openocd/trunk@1407 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
duane 2009-03-11 01:42:05 +00:00
parent 7f1b58a5cd
commit 9833ef8580
1 changed files with 108 additions and 11 deletions

View File

@ -2657,7 +2657,7 @@ int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char *
int handle_endstate_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
tap_state_t state;
int state;
if (argc < 1)
{
@ -2665,14 +2665,13 @@ int handle_endstate_command(struct command_context_s *cmd_ctx, char *cmd, char *
}
else
{
for (state = 0; state < 16; state++)
{
if (strcmp(args[0], tap_state_name(state)) == 0)
{
jtag_add_end_state(state);
jtag_execute_queue();
}
state = tap_state_by_name( args[0] );
if( state < 0 ){
command_print( cmd_ctx, "Invalid state name: %s\n", args[0] );
return ERROR_COMMAND_SYNTAX_ERROR;
}
jtag_add_end_state( (tap_state_t)(state));
jtag_execute_queue();
}
command_print(cmd_ctx, "current endstate: %s", tap_state_name(cmd_queue_end_state));
@ -2735,12 +2734,41 @@ int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **a
int i;
scan_field_t *fields;
jtag_tap_t *tap;
int endstate;
if ((argc < 2) || (argc % 2))
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
// optional "-endstate"
// "statename"
// at the end of the arguments.
// assume none.
endstate = -1;
if( argc >= 4 ){
// have at least one pair of numbers.
// is last pair the magic text?
if( 0 == strcmp( "-endstate", args[ argc - 2 ] ) ){
const char *cpA;
const char *cpS;
cpA = args[ argc-1 ];
for( endstate = 0 ; endstate < 16 ; endstate++ ){
cpS = tap_state_name( endstate );
if( 0 == strcmp( cpA, cpS ) ){
break;
}
}
if( endstate >= 16 ){
return ERROR_COMMAND_SYNTAX_ERROR;
} else {
// found - remove the last 2 args
argc -= 2;
}
}
}
fields = malloc(sizeof(scan_field_t) * argc / 2);
for (i = 0; i < argc / 2; i++)
@ -2763,6 +2791,10 @@ int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **a
}
jtag_add_ir_scan(argc / 2, fields, -1);
// did we have an endstate?
if( endstate >= 0 ){
jtag_add_end_state(endstate);
}
jtag_execute_queue();
for (i = 0; i < argc / 2; i++)
@ -2781,11 +2813,16 @@ int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
int field_count = 0;
int i, e;
jtag_tap_t *tap;
int endstate;
/* args[1] = device
* args[2] = num_bits
* args[3] = hex string
* ... repeat num bits and hex string ...
*
* .. optionally:
* args[N-2] = "-endstate"
* args[N-1] = statename
*/
if ((argc < 4) || ((argc % 2)!=0))
{
@ -2793,14 +2830,55 @@ int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
return JIM_ERR;
}
/* assume no endstate */
endstate = -1;
// validate arguments as numbers
e = JIM_OK;
for (i = 2; i < argc; i+=2)
{
long bits;
const char *cp;
e = Jim_GetLong(interp, args[i], &bits);
if (e != JIM_OK)
/* If valid - try next arg */
if( e == JIM_OK ){
continue;
}
/* Not valid.. are we at the end? */
if ( ((i+2) != argc) ){
/* nope, then error */
return e;
}
}
/* it could be: "-endstate FOO" */
/* get arg as a string. */
cp = Jim_GetString( args[i], NULL );
/* is it the magic? */
if( 0 == strcmp( "-endstate", cp ) ){
/* is the statename valid? */
cp = Jim_GetString( args[i+1], NULL );
/* see if it is a valid state name */
endstate = tap_state_by_name(cp);
if( endstate < 0 ){
/* update the error message */
Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp );
} else {
/* valid - so clear the error */
e = JIM_OK;
/* and remove the last 2 args */
argc -= 2;
}
}
/* Still an error? */
if( e != JIM_OK ){
return e; /* too bad */
}
} /* validate args */
tap = jtag_TapByJimObj( interp, args[1] );
if( tap == NULL ){
@ -2829,8 +2907,12 @@ int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
fields[field_count].in_handler = NULL;
fields[field_count++].in_handler_priv = NULL;
}
jtag_add_dr_scan(num_fields, fields, -1);
// did we get an end state?
if( endstate >= 0 ){
jtag_add_end_state( (tap_state_t)endstate );
}
retval = jtag_execute_queue();
if (retval != ERROR_OK)
{
@ -3196,4 +3278,19 @@ const char* tap_state_name(tap_state_t state)
return ret;
}
int
tap_state_by_name( const char *name )
{
int x;
for( x = 0 ; x < 16 ; x++ ){
/* be nice to the human */
if( 0 == strcasecmp( name, tap_state_name(x) ) ){
return x;
}
}
/* not found */
return -1;
}
/*-----</Cable Helper API>--------------------------------------*/