*/
int jtag_error=ERROR_OK;
-
-char* tap_state_strings[16] =
-{
- "tlr",
- "sds", "cd", "sd", "e1d", "pd", "e2d", "ud",
- "rti",
- "sis", "ci", "si", "e1i", "pi", "e2i", "ui"
-};
-
typedef struct cmd_queue_page_s
{
void *address;
* 4: Shift-IR
* 5: Pause-IR
*
- * SD->SD and SI->SI have to be caught in interface specific code
+ * DRSHIFT->DRSHIFT and IRSHIFT->IRSHIFT have to be caught in interface specific code
*/
u8 tap_move[6][6] =
{
-/* TLR RTI SD PD SI PI */
- {0x7f, 0x00, 0x17, 0x0a, 0x1b, 0x16}, /* TLR */
- {0x7f, 0x00, 0x25, 0x05, 0x2b, 0x0b}, /* RTI */
- {0x7f, 0x31, 0x00, 0x01, 0x0f, 0x2f}, /* SD */
- {0x7f, 0x30, 0x20, 0x17, 0x1e, 0x2f}, /* PD */
- {0x7f, 0x31, 0x07, 0x17, 0x00, 0x01}, /* SI */
- {0x7f, 0x30, 0x1c, 0x17, 0x20, 0x2f} /* PI */
+/* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
+ { 0x7f, 0x00, 0x17, 0x0a, 0x1b, 0x16}, /* RESET */
+ { 0x7f, 0x00, 0x25, 0x05, 0x2b, 0x0b}, /* IDLE */
+ { 0x7f, 0x31, 0x00, 0x01, 0x0f, 0x2f}, /* DRSHIFT */
+ { 0x7f, 0x30, 0x20, 0x17, 0x1e, 0x2f}, /* DRPAUSE */
+ { 0x7f, 0x31, 0x07, 0x17, 0x00, 0x01}, /* IRSHIFT */
+ { 0x7f, 0x30, 0x1c, 0x17, 0x20, 0x2f} /* IRPAUSE */
};
int tap_move_map[16] = {
tap_transition_t tap_transitions[16] =
{
- {TAP_TLR, TAP_RTI}, /* TLR */
- {TAP_SIS, TAP_CD}, /* SDS */
- {TAP_E1D, TAP_SD}, /* CD */
- {TAP_E1D, TAP_SD}, /* SD */
- {TAP_UD, TAP_PD}, /* E1D */
- {TAP_E2D, TAP_PD}, /* PD */
- {TAP_UD, TAP_SD}, /* E2D */
- {TAP_SDS, TAP_RTI}, /* UD */
- {TAP_SDS, TAP_RTI}, /* RTI */
- {TAP_TLR, TAP_CI}, /* SIS */
- {TAP_E1I, TAP_SI}, /* CI */
- {TAP_E1I, TAP_SI}, /* SI */
- {TAP_UI, TAP_PI}, /* E1I */
- {TAP_E2I, TAP_PI}, /* PI */
- {TAP_UI, TAP_SI}, /* E2I */
- {TAP_SDS, TAP_RTI} /* UI */
+ {TAP_RESET, TAP_IDLE}, /* RESET */
+ {TAP_IRSELECT, TAP_DRCAPTURE}, /* DRSELECT */
+ {TAP_DREXIT1, TAP_DRSHIFT}, /* DRCAPTURE */
+ {TAP_DREXIT1, TAP_DRSHIFT}, /* DRSHIFT */
+ {TAP_DRUPDATE, TAP_DRPAUSE}, /* DREXIT1 */
+ {TAP_DREXIT2, TAP_DRPAUSE}, /* DRPAUSE */
+ {TAP_DRUPDATE, TAP_DRSHIFT}, /* DREXIT2 */
+ {TAP_DRSELECT, TAP_IDLE}, /* DRUPDATE */
+ {TAP_DRSELECT, TAP_IDLE}, /* IDLE */
+ {TAP_RESET, TAP_IRCAPTURE}, /* IRSELECT */
+ {TAP_IREXIT1, TAP_IRSHIFT}, /* IRCAPTURE */
+ {TAP_IREXIT1, TAP_IRSHIFT}, /* IRSHIFT */
+ {TAP_IRUPDATE, TAP_IRPAUSE}, /* IREXIT1 */
+ {TAP_IREXIT2, TAP_IRPAUSE}, /* IRPAUSE */
+ {TAP_IRUPDATE, TAP_IRSHIFT}, /* IREXIT2 */
+ {TAP_DRSELECT, TAP_IDLE} /* IRUPDATE */
};
char* jtag_event_strings[] =
{
- "JTAG controller reset (TLR or TRST)"
+ "JTAG controller reset (RESET or TRST)"
+};
+
+const Jim_Nvp nvp_jtag_tap_event[] = {
+ { .value = JTAG_TAP_EVENT_ENABLE, .name = "tap-enable" },
+ { .value = JTAG_TAP_EVENT_DISABLE, .name = "tap-disable" },
+
+ { .name = NULL, .value = -1 }
};
/* kludge!!!! these are just global variables that the
* inside the drivers, but we don't want to break
* linking the drivers!!!!
*/
-enum tap_state end_state = TAP_TLR;
-enum tap_state cur_state = TAP_TLR;
+enum tap_state end_state = TAP_RESET;
+enum tap_state cur_state = TAP_RESET;
int jtag_trst = 0;
int jtag_srst = 0;
jtag_command_t *jtag_command_queue = NULL;
jtag_command_t **last_comand_pointer = &jtag_command_queue;
-jtag_device_t *jtag_devices = NULL;
-int jtag_num_devices = 0;
-int jtag_ir_scan_size = 0;
+static jtag_tap_t *jtag_all_taps = NULL;
+
enum reset_types jtag_reset_config = RESET_NONE;
-enum tap_state cmd_queue_end_state = TAP_TLR;
-enum tap_state cmd_queue_cur_state = TAP_TLR;
+enum tap_state cmd_queue_end_state = TAP_RESET;
+enum tap_state cmd_queue_cur_state = TAP_RESET;
int jtag_verify_capture_ir = 1;
extern jtag_interface_t jlink_interface;
#endif
+#if BUILD_VSLLINK == 1
+ extern jtag_interface_t vsllink_interface;
+#endif
+
+#if BUILD_RLINK == 1
+ extern jtag_interface_t rlink_interface;
+#endif
+
jtag_interface_t *jtag_interfaces[] = {
#if BUILD_ECOSBOARD == 1
&zy1000_interface,
#endif
#if BUILD_JLINK == 1
&jlink_interface,
+#endif
+#if BUILD_VSLLINK == 1
+ &vsllink_interface,
+#endif
+#if BUILD_RLINK == 1
+ &rlink_interface,
#endif
NULL,
};
jtag_interface_t *jtag_interface = NULL;
int jtag_speed = 0;
-
-
/* forward declarations */
void jtag_add_pathmove(int num_states, enum tap_state *path);
void jtag_add_runtest(int num_cycles, enum tap_state endstate);
int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+jtag_tap_t *jtag_AllTaps(void)
+{
+ return jtag_all_taps;
+};
+
+int jtag_NumTotalTaps(void)
+{
+ jtag_tap_t *t;
+ int n;
+
+ n = 0;
+ t = jtag_AllTaps();
+ while(t){
+ n++;
+ t = t->next_tap;
+ }
+ return n;
+}
+
+int jtag_NumEnabledTaps(void)
+{
+ jtag_tap_t *t;
+ int n;
+
+ n = 0;
+ t = jtag_AllTaps();
+ while(t){
+ if( t->enabled ){
+ n++;
+ }
+ t = t->next_tap;
+ }
+ return n;
+}
+
+
+jtag_tap_t *jtag_TapByString( const char *s )
+{
+ jtag_tap_t *t;
+ char *cp;
+
+ t = jtag_AllTaps();
+ // try name first
+ while(t){
+ if( 0 == strcmp( t->dotted_name, s ) ){
+ break;
+ } else {
+ t = t->next_tap;
+ }
+ }
+ // backup plan is by number
+ if( t == NULL ){
+ /* ok - is "s" a number? */
+ int n;
+ n = strtol( s, &cp, 0 );
+ if( (s != cp) && (*cp == 0) ){
+ /* Then it is... */
+ t = jtag_TapByAbsPosition(n);
+ }
+ }
+ return t;
+}
+
+jtag_tap_t * jtag_TapByJimObj( Jim_Interp *interp, Jim_Obj *o )
+{
+ jtag_tap_t *t;
+ const char *cp;
+
+ cp = Jim_GetString( o, NULL );
+ if(cp == NULL){
+ cp = "(unknown)";
+ t = NULL;
+ } else {
+ t = jtag_TapByString( cp );
+ }
+ if( t == NULL ){
+ Jim_SetResult_sprintf(interp,"Tap: %s is unknown", cp );
+ }
+ return t;
+}
+
+/* returns a pointer to the n-th device in the scan chain */
+jtag_tap_t * jtag_TapByAbsPosition( int n )
+{
+ int orig_n;
+ jtag_tap_t *t;
+
+ orig_n = n;
+ t = jtag_AllTaps();
+
+ while( t && (n > 0)) {
+ n--;
+ t = t->next_tap;
+ }
+ return t;
+}
+
int jtag_register_event_callback(int (*callback)(enum jtag_event event, void *priv), void *priv)
{
jtag_event_callback_t **callbacks_p = &jtag_event_callbacks;
return last_comand_pointer;
}
-/* returns a pointer to the n-th device in the scan chain */
-jtag_device_t* jtag_get_device(int num)
-{
- jtag_device_t *device = jtag_devices;
- int i = 0;
-
- while (device)
- {
- if (num == i)
- return device;
- device = device->next;
- i++;
- }
-
- LOG_ERROR("jtag device number %d not defined", num);
- exit(-1);
-}
-
void* cmd_queue_alloc(size_t size)
{
cmd_queue_page_t **p_page = &cmd_queue_pages;
int offset;
u8 *t;
+ /*
+ * WARNING:
+ * We align/round the *SIZE* per below
+ * so that all pointers returned by
+ * this function are reasonably well
+ * aligned.
+ *
+ * If we did not, then an "odd-length" request would cause the
+ * *next* allocation to be at an *odd* address, and because
+ * this function has the same type of api as malloc() - we
+ * must also return pointers that have the same type of
+ * alignment.
+ *
+ * What I do not/have is a reasonable portable means
+ * to align by...
+ *
+ * The solution here, is based on these suggestions.
+ * http://gcc.gnu.org/ml/gcc-help/2008-12/msg00041.html
+ *
+ */
+ union worse_case_align {
+ int i;
+ long l;
+ float f;
+ void *v;
+ };
+#define ALIGN_SIZE (sizeof(union worse_case_align))
+
+ /* The alignment process. */
+ size = (size + ALIGN_SIZE -1) & (~(ALIGN_SIZE-1));
+ /* Done... */
+
if (*p_page)
{
while ((*p_page)->next)
return;
}
- if (cmd_queue_end_state == TAP_TLR)
+ if (cmd_queue_end_state == TAP_RESET)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
}
int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
{
jtag_command_t **last_cmd;
- jtag_device_t *device;
- int i, j;
+ jtag_tap_t *tap;
+ int j;
+ int x;
+ int nth_tap;
int scan_size = 0;
/* allocate memory for ir scan command */
(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
(*last_cmd)->cmd.scan->ir_scan = 1;
- (*last_cmd)->cmd.scan->num_fields = jtag_num_devices; /* one field per device */
- (*last_cmd)->cmd.scan->fields = cmd_queue_alloc(jtag_num_devices * sizeof(scan_field_t));
+ x = jtag_NumEnabledTaps();
+ (*last_cmd)->cmd.scan->num_fields = x; /* one field per device */
+ (*last_cmd)->cmd.scan->fields = cmd_queue_alloc(x * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- for (i = 0; i < jtag_num_devices; i++)
- {
+ nth_tap = -1;
+ tap = NULL;
+ for(;;){
int found = 0;
- device = jtag_get_device(i);
- scan_size = device->ir_length;
- (*last_cmd)->cmd.scan->fields[i].device = i;
- (*last_cmd)->cmd.scan->fields[i].num_bits = scan_size;
- (*last_cmd)->cmd.scan->fields[i].in_value = NULL;
- (*last_cmd)->cmd.scan->fields[i].in_handler = NULL; /* disable verification by default */
+
+ // do this here so it is not forgotten
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+ nth_tap++;
+ scan_size = tap->ir_length;
+ (*last_cmd)->cmd.scan->fields[nth_tap].tap = tap;
+ (*last_cmd)->cmd.scan->fields[nth_tap].num_bits = scan_size;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_value = NULL;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_handler = NULL; /* disable verification by default */
/* search the list */
for (j = 0; j < num_fields; j++)
{
- if (i == fields[j].device)
+ if (tap == fields[j].tap)
{
found = 1;
- (*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
- (*last_cmd)->cmd.scan->fields[i].out_mask = buf_cpy(fields[j].out_mask, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
+ (*last_cmd)->cmd.scan->fields[nth_tap].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
+ (*last_cmd)->cmd.scan->fields[nth_tap].out_mask = buf_cpy(fields[j].out_mask, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
if (jtag_verify_capture_ir)
{
if (fields[j].in_handler==NULL)
{
- jtag_set_check_value((*last_cmd)->cmd.scan->fields+i, device->expected, device->expected_mask, NULL);
+ jtag_set_check_value((*last_cmd)->cmd.scan->fields+nth_tap, tap->expected, tap->expected_mask, NULL);
} else
{
- (*last_cmd)->cmd.scan->fields[i].in_handler = fields[j].in_handler;
- (*last_cmd)->cmd.scan->fields[i].in_handler_priv = fields[j].in_handler_priv;
- (*last_cmd)->cmd.scan->fields[i].in_check_value = device->expected;
- (*last_cmd)->cmd.scan->fields[i].in_check_mask = device->expected_mask;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_handler = fields[j].in_handler;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_handler_priv = fields[j].in_handler_priv;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_check_value = tap->expected;
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_check_mask = tap->expected_mask;
}
}
- device->bypass = 0;
+ tap->bypass = 0;
break;
}
}
if (!found)
{
- /* if a device isn't listed, set it to BYPASS */
- (*last_cmd)->cmd.scan->fields[i].out_value = buf_set_ones(cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
- (*last_cmd)->cmd.scan->fields[i].out_mask = NULL;
- device->bypass = 1;
-
+ /* if a tap isn't listed, set it to BYPASS */
+ (*last_cmd)->cmd.scan->fields[nth_tap].out_value = buf_set_ones(cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
+ (*last_cmd)->cmd.scan->fields[nth_tap].out_mask = NULL;
+ tap->bypass = 1;
}
/* update device information */
- buf_cpy((*last_cmd)->cmd.scan->fields[i].out_value, jtag_get_device(i)->cur_instr, scan_size);
+ buf_cpy((*last_cmd)->cmd.scan->fields[nth_tap].out_value, tap->cur_instr, scan_size);
}
return ERROR_OK;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- for (i = 0; i < num_fields; i++)
- {
+ for( i = 0 ; i < num_fields ; i++ ){
int num_bits = fields[i].num_bits;
int num_bytes = CEIL(fields[i].num_bits, 8);
- (*last_cmd)->cmd.scan->fields[i].device = fields[i].device;
+ (*last_cmd)->cmd.scan->fields[i].tap = fields[i].tap;
(*last_cmd)->cmd.scan->fields[i].num_bits = num_bits;
(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].out_mask = buf_cpy(fields[i].out_mask, cmd_queue_alloc(num_bytes), num_bits);
int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
{
- int i, j;
+ int j;
+ int nth_tap;
int bypass_devices = 0;
int field_count = 0;
int scan_size;
jtag_command_t **last_cmd = jtag_get_last_command_p();
- jtag_device_t *device = jtag_devices;
+ jtag_tap_t *tap;
/* count devices in bypass */
- while (device)
- {
- if (device->bypass)
+ tap = NULL;
+ bypass_devices = 0;
+ for(;;){
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+ if( tap->bypass ){
bypass_devices++;
- device = device->next;
- }
- if (bypass_devices >= jtag_num_devices)
- {
- LOG_ERROR("all devices in bypass");
- return ERROR_JTAG_DEVICE_ERROR;
+ }
}
/* allocate memory for a new list member */
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- for (i = 0; i < jtag_num_devices; i++)
- {
+ tap = NULL;
+ nth_tap = -1;
+ for(;;){
+ nth_tap++;
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
int found = 0;
- (*last_cmd)->cmd.scan->fields[field_count].device = i;
+ (*last_cmd)->cmd.scan->fields[field_count].tap = tap;
for (j = 0; j < num_fields; j++)
{
- if (i == fields[j].device)
+ if (tap == fields[j].tap)
{
found = 1;
scan_size = fields[j].num_bits;
{
#ifdef _DEBUG_JTAG_IO_
/* if a device isn't listed, the BYPASS register should be selected */
- if (!jtag_get_device(i)->bypass)
+ if (! tap->bypass)
{
LOG_ERROR("BUG: no scan data for a device not in BYPASS");
exit(-1);
{
#ifdef _DEBUG_JTAG_IO_
/* if a device is listed, the BYPASS register must not be selected */
- if (jtag_get_device(i)->bypass)
+ if (tap->bypass)
{
LOG_ERROR("BUG: scan data for a device in BYPASS");
exit(-1);
return ERROR_OK;
}
-void MINIDRIVER(interface_jtag_add_dr_out)(int device_num,
+void MINIDRIVER(interface_jtag_add_dr_out)(jtag_tap_t *target_tap,
int num_fields,
const int *num_bits,
const u32 *value,
enum tap_state end_state)
{
- int i;
+ int nth_tap;
int field_count = 0;
int scan_size;
int bypass_devices = 0;
jtag_command_t **last_cmd = jtag_get_last_command_p();
- jtag_device_t *device = jtag_devices;
+ jtag_tap_t *tap;
+
/* count devices in bypass */
- while (device)
- {
- if (device->bypass)
+ tap = NULL;
+ bypass_devices = 0;
+ for(;;){
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+ if( tap->bypass ){
bypass_devices++;
- device = device->next;
+ }
}
/* allocate memory for a new list member */
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = end_state;
- for (i = 0; i < jtag_num_devices; i++)
- {
- (*last_cmd)->cmd.scan->fields[field_count].device = i;
+ tap = NULL;
+ nth_tap = -1;
+ for(;;){
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+ nth_tap++;
+ (*last_cmd)->cmd.scan->fields[field_count].tap = tap;
- if (i == device_num)
+ if (tap == target_tap)
{
int j;
#ifdef _DEBUG_JTAG_IO_
/* if a device is listed, the BYPASS register must not be selected */
- if (jtag_get_device(i)->bypass)
+ if (tap->bypass)
{
LOG_ERROR("BUG: scan data for a device in BYPASS");
exit(-1);
{
#ifdef _DEBUG_JTAG_IO_
/* if a device isn't listed, the BYPASS register should be selected */
- if (!jtag_get_device(i)->bypass)
+ if (! tap->bypass)
{
LOG_ERROR("BUG: no scan data for a device not in BYPASS");
exit(-1);
{
int num_bits = fields[i].num_bits;
int num_bytes = CEIL(fields[i].num_bits, 8);
- (*last_cmd)->cmd.scan->fields[i].device = fields[i].device;
+ (*last_cmd)->cmd.scan->fields[i].tap = fields[i].tap;
(*last_cmd)->cmd.scan->fields[i].num_bits = num_bits;
(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].out_mask = buf_cpy(fields[i].out_mask, cmd_queue_alloc(num_bytes), num_bits);
void jtag_add_tlr(void)
{
- jtag_prelude(TAP_TLR);
+ jtag_prelude(TAP_RESET);
int retval;
retval=interface_jtag_add_tlr();
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_tlr)()
+int MINIDRIVER(interface_jtag_add_tlr)(void)
{
- enum tap_state state = TAP_TLR;
+ enum tap_state state = TAP_RESET;
jtag_command_t **last_cmd = jtag_get_last_command_p();
/* allocate memory for a new list member */
(*last_cmd)->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
(*last_cmd)->cmd.statemove->end_state = state;
-
return ERROR_OK;
}
for (i=0; i<num_states; i++)
{
- if (path[i] == TAP_TLR)
+ if (path[i] == TAP_RESET)
{
- LOG_ERROR("BUG: TAP_TLR is not a valid state for pathmove sequences");
+ LOG_ERROR("BUG: TAP_RESET is not a valid state for pathmove sequences");
exit(-1);
}
if ((tap_transitions[cur_state].low != path[i])&&
(tap_transitions[cur_state].high != path[i]))
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[path[i]]);
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[i]));
exit(-1);
}
cur_state = path[i];
jtag_prelude1();
-
retval=interface_jtag_add_pathmove(num_states, path);
cmd_queue_cur_state = path[num_states - 1];
if (retval!=ERROR_OK)
jtag_error=retval;
}
+
+int MINIDRIVER(interface_jtag_add_clocks)( int num_cycles )
+{
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+
+ /* allocate memory for a new list member */
+ *last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ (*last_cmd)->next = NULL;
+ last_comand_pointer = &((*last_cmd)->next);
+ (*last_cmd)->type = JTAG_STABLECLOCKS;
+
+ (*last_cmd)->cmd.stableclocks = cmd_queue_alloc(sizeof(stableclocks_command_t));
+ (*last_cmd)->cmd.stableclocks->num_cycles = num_cycles;
+ return ERROR_OK;
+}
+
+void jtag_add_clocks( int num_cycles )
+{
+ int retval;
+
+ jtag_prelude1();
+
+ retval=interface_jtag_add_clocks(num_cycles);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
void jtag_add_reset(int req_tlr_or_trst, int req_srst)
{
int trst_with_tlr = 0;
if (trst_with_tlr)
{
- LOG_DEBUG("JTAG reset with TLR instead of TRST");
- jtag_add_end_state(TAP_TLR);
+ LOG_DEBUG("JTAG reset with RESET instead of TRST");
+ jtag_add_end_state(TAP_RESET);
jtag_add_tlr();
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
return;
* and inform possible listeners about this
*/
LOG_DEBUG("TRST line asserted");
- cmd_queue_cur_state = TAP_TLR;
+ cmd_queue_cur_state = TAP_RESET;
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
}
else
void jtag_add_end_state(enum tap_state state)
{
cmd_queue_end_state = state;
- if ((cmd_queue_end_state == TAP_SD)||(cmd_queue_end_state == TAP_SI))
+ if ((cmd_queue_end_state == TAP_DRSHIFT)||(cmd_queue_end_state == TAP_IRSHIFT))
{
- LOG_ERROR("BUG: TAP_SD/SI can't be end state. Calling code should use a larger scan field");
+ LOG_ERROR("BUG: TAP_DRSHIFT/IRSHIFT can't be end state. Calling code should use a larger scan field");
}
}
bit_count = 0;
+#ifdef _DEBUG_JTAG_IO_
+ LOG_DEBUG("num_fields: %i",cmd->num_fields);
+#endif
+
for (i = 0; i < cmd->num_fields; i++)
{
if (cmd->fields[i].out_value)
#endif
buf_set_buf(cmd->fields[i].out_value, 0, *buffer, bit_count, cmd->fields[i].num_bits);
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("fields[%i].out_value: 0x%s", i, char_buf);
+ LOG_DEBUG("fields[%i].out_value[%i]: 0x%s", i, cmd->fields[i].num_bits, char_buf);
free(char_buf);
#endif
}
bit_count += cmd->fields[i].num_bits;
+#ifdef _DEBUG_JTAG_IO_
+ LOG_DEBUG("bit_count totalling: %i", bit_count );
+#endif
}
return bit_count;
u8 *captured = buf_set_buf(buffer, bit_count, malloc(CEIL(num_bits, 8)), 0, num_bits);
#ifdef _DEBUG_JTAG_IO_
- char *char_buf;
-
- char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
- LOG_DEBUG("fields[%i].in_value: 0x%s", i, char_buf);
+ char *char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
+ LOG_DEBUG("fields[%i].in_value[%i]: 0x%s", i, num_bits, char_buf);
free(char_buf);
#endif
{
if (cmd->fields[i].in_handler(cmd->fields[i].in_value, cmd->fields[i].in_handler_priv, cmd->fields+i) != ERROR_OK)
{
- LOG_WARNING("in_handler reported a failed check");
+ LOG_WARNING("in_handler: with \"in_value\", mismatch in %s", cmd->ir_scan ? "SIR" : "SDR" );
retval = ERROR_JTAG_QUEUE_FAILED;
}
}
/* We're going to call the error:handler later, but if the in_handler
* reported an error we report this failure upstream
*/
- LOG_WARNING("in_handler reported a failed check");
+ LOG_WARNING("in_handler: w/o \"in_value\", mismatch in %s", cmd->ir_scan ? "SIR" : "SDR" );
retval = ERROR_JTAG_QUEUE_FAILED;
}
}
else
compare_failed = buf_cmp(captured, field->in_check_value, num_bits);
- if (compare_failed)
- {
+ if (compare_failed){
/* An error handler could have caught the failing check
* only report a problem when there wasn't a handler, or if the handler
* acknowledged the error
*/
+ LOG_WARNING("TAP %s:",
+ (field->tap == NULL) ? "(unknown)" : field->tap->dotted_name );
if (compare_failed)
{
char *captured_char = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
{
char *in_check_mask_char;
in_check_mask_char = buf_to_str(field->in_check_mask, (num_bits > 64) ? 64 : num_bits, 16);
- LOG_WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
+ LOG_WARNING("value captured during scan didn't pass the requested check:");
+ LOG_WARNING("captured: 0x%s check_value: 0x%s check_mask: 0x%s",
+ captured_char, in_check_value_char, in_check_mask_char);
free(in_check_mask_char);
}
else
int jtag_reset_callback(enum jtag_event event, void *priv)
{
- jtag_device_t *device = priv;
+ jtag_tap_t *tap = priv;
LOG_DEBUG("-");
if (event == JTAG_TRST_ASSERTED)
{
- buf_set_ones(device->cur_instr, device->ir_length);
- device->bypass = 1;
+ buf_set_ones(tap->cur_instr, tap->ir_length);
+ tap->bypass = 1;
}
return ERROR_OK;
*/
int jtag_examine_chain(void)
{
- jtag_device_t *device = jtag_devices;
+ jtag_tap_t *tap;
scan_field_t field;
u8 idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
int i;
u8 zero_check = 0x0;
u8 one_check = 0xff;
- field.device = 0;
+ field.tap = NULL;
field.num_bits = sizeof(idcode_buffer) * 8;
field.out_value = idcode_buffer;
field.out_mask = NULL;
buf_set_u32(idcode_buffer, i * 32, 32, 0x000000FF);
}
- jtag_add_plain_dr_scan(1, &field, TAP_TLR);
+ jtag_add_plain_dr_scan(1, &field, TAP_RESET);
jtag_execute_queue();
for (i = 0; i < JTAG_MAX_CHAIN_SIZE * 4; i++)
return ERROR_JTAG_INIT_FAILED;
}
+ // point at the 1st tap
+ tap = jtag_NextEnabledTap(NULL);
+ if( tap == NULL ){
+ LOG_ERROR("JTAG: No taps enabled?");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
for (bit_count = 0; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;)
{
u32 idcode = buf_get_u32(idcode_buffer, bit_count, 32);
if ((idcode & 1) == 0)
{
/* LSB must not be 0, this indicates a device in bypass */
- LOG_WARNING("Device does not have IDCODE");
+ LOG_WARNING("Tap/Device does not have IDCODE");
idcode=0;
bit_count += 1;
break;
}
- manufacturer = (idcode & 0xffe) >> 1;
- part = (idcode & 0xffff000) >> 12;
- version = (idcode & 0xf0000000) >> 28;
+#define EXTRACT_MFG(X) (((X) & 0xffe) >> 1)
+ manufacturer = EXTRACT_MFG(idcode);
+#define EXTRACT_PART(X) (((X) & 0xffff000) >> 12)
+ part = EXTRACT_PART(idcode);
+#define EXTRACT_VER(X) (((X) & 0xf0000000) >> 28)
+ version = EXTRACT_VER(idcode);
- LOG_INFO("JTAG device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x)",
+ LOG_INFO("JTAG tap: %s tap/device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x)",
+ ((tap != NULL) ? (tap->dotted_name) : "(not-named)"),
idcode, manufacturer, part, version);
bit_count += 32;
}
- if (device)
+ if (tap)
{
- device->idcode = idcode;
- device = device->next;
+ tap->idcode = idcode;
+
+ if (tap->expected_ids_cnt > 0) {
+ /* Loop over the expected identification codes and test for a match */
+ u8 ii;
+ for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+ if( tap->idcode == tap->expected_ids[ii] ){
+ break;
+ }
+ }
+
+ /* If none of the expected ids matched, log an error */
+ if (ii == tap->expected_ids_cnt) {
+ LOG_ERROR("JTAG tap: %s got: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+ tap->dotted_name,
+ idcode,
+ EXTRACT_MFG( tap->idcode ),
+ EXTRACT_PART( tap->idcode ),
+ EXTRACT_VER( tap->idcode ) );
+ for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+ LOG_ERROR("JTAG tap: %s expected %hhu of %hhu: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+ tap->dotted_name,
+ ii + 1,
+ tap->expected_ids_cnt,
+ tap->expected_ids[ii],
+ EXTRACT_MFG( tap->expected_ids[ii] ),
+ EXTRACT_PART( tap->expected_ids[ii] ),
+ EXTRACT_VER( tap->expected_ids[ii] ) );
+ }
+
+ return ERROR_JTAG_INIT_FAILED;
+ } else {
+ LOG_INFO("JTAG Tap/device matched");
+ }
+ } else {
+#if 0
+ LOG_INFO("JTAG TAP ID: 0x%08x - Unknown - please report (A) chipname and (B) idcode to the openocd project",
+ tap->idcode);
+#endif
+ }
+ tap = jtag_NextEnabledTap(tap);
}
device_count++;
}
/* see if number of discovered devices matches configuration */
- if (device_count != jtag_num_devices)
+ if (device_count != jtag_NumEnabledTaps())
{
- LOG_ERROR("number of discovered devices in JTAG chain (%i) doesn't match configuration (%i)",
- device_count, jtag_num_devices);
+ LOG_ERROR("number of discovered devices in JTAG chain (%i) doesn't match (enabled) configuration (%i), total taps: %d",
+ device_count, jtag_NumEnabledTaps(), jtag_NumTotalTaps());
LOG_ERROR("check the config file and ensure proper JTAG communication (connections, speed, ...)");
return ERROR_JTAG_INIT_FAILED;
}
int jtag_validate_chain(void)
{
- jtag_device_t *device = jtag_devices;
+ jtag_tap_t *tap;
int total_ir_length = 0;
u8 *ir_test = NULL;
scan_field_t field;
int chain_pos = 0;
- while (device)
- {
- total_ir_length += device->ir_length;
- device = device->next;
+ tap = NULL;
+ total_ir_length = 0;
+ for(;;){
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+ total_ir_length += tap->ir_length;
}
total_ir_length += 2;
ir_test = malloc(CEIL(total_ir_length, 8));
buf_set_ones(ir_test, total_ir_length);
- field.device = 0;
+ field.tap = NULL;
field.num_bits = total_ir_length;
field.out_value = ir_test;
field.out_mask = NULL;
field.in_handler = NULL;
field.in_handler_priv = NULL;
- jtag_add_plain_ir_scan(1, &field, TAP_TLR);
+ jtag_add_plain_ir_scan(1, &field, TAP_RESET);
jtag_execute_queue();
- device = jtag_devices;
- while (device)
- {
+ tap = NULL;
+ chain_pos = 0;
+ for(;;){
+ tap = jtag_NextEnabledTap(tap);
+ if( tap == NULL ){
+ break;
+ }
+
+
if (buf_get_u32(ir_test, chain_pos, 2) != 0x1)
{
char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
free(ir_test);
return ERROR_JTAG_INIT_FAILED;
}
- chain_pos += device->ir_length;
- device = device->next;
+ chain_pos += tap->ir_length;
}
if (buf_get_u32(ir_test, chain_pos, 2) != 0x3)
return ERROR_OK;
}
+enum jtag_tap_cfg_param {
+ JCFG_EVENT
+};
+
+static Jim_Nvp nvp_config_opts[] = {
+ { .name = "-event", .value = JCFG_EVENT },
+
+ { .name = NULL, .value = -1 }
+};
static int
-jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
+jtag_tap_configure_cmd( Jim_GetOptInfo *goi,
+ jtag_tap_t * tap)
+{
+ Jim_Nvp *n;
+ Jim_Obj *o;
+ int e;
+
+ /* parse config or cget options */
+ while (goi->argc > 0) {
+ Jim_SetEmptyResult (goi->interp);
+
+ e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
+ if (e != JIM_OK) {
+ Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
+ return e;
+ }
+
+ switch (n->value) {
+ case JCFG_EVENT:
+ if (goi->argc == 0) {
+ Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ..." );
+ return JIM_ERR;
+ }
+
+ e = Jim_GetOpt_Nvp( goi, nvp_jtag_tap_event, &n );
+ if (e != JIM_OK) {
+ Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
+ return e;
+ }
+
+ if (goi->isconfigure) {
+ if (goi->argc != 1) {
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
+ return JIM_ERR;
+ }
+ } else {
+ if (goi->argc != 0) {
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
+ return JIM_ERR;
+ }
+ }
+
+ {
+ jtag_tap_event_action_t *jteap;
+
+ jteap = tap->event_action;
+ /* replace existing? */
+ while (jteap) {
+ if (jteap->event == n->value) {
+ break;
+ }
+ jteap = jteap->next;
+ }
+
+ if (goi->isconfigure) {
+ if (jteap == NULL) {
+ /* create new */
+ jteap = calloc(1, sizeof (*jteap));
+ }
+ jteap->event = n->value;
+ Jim_GetOpt_Obj( goi, &o);
+ if (jteap->body) {
+ Jim_DecrRefCount(interp, jteap->body);
+ }
+ jteap->body = Jim_DuplicateObj(goi->interp, o);
+ Jim_IncrRefCount(jteap->body);
+
+ /* add to head of event list */
+ jteap->next = tap->event_action;
+ tap->event_action = jteap;
+ Jim_SetEmptyResult(goi->interp);
+ } else {
+ /* get */
+ if (jteap == NULL) {
+ Jim_SetEmptyResult(goi->interp);
+ } else {
+ Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body));
+ }
+ }
+ }
+ /* loop for more */
+ break;
+ }
+ } /* while (goi->argc) */
+
+ return JIM_OK;
+}
+
+static int jim_newtap_cmd( Jim_GetOptInfo *goi )
+{
+ jtag_tap_t *pTap;
+ jtag_tap_t **ppTap;
+ jim_wide w;
+ int x;
+ int e;
+ int reqbits;
+ Jim_Nvp *n;
+ char *cp;
+ const Jim_Nvp opts[] = {
+#define NTAP_OPT_IRLEN 0
+ { .name = "-irlen" , .value = NTAP_OPT_IRLEN },
+#define NTAP_OPT_IRMASK 1
+ { .name = "-irmask" , .value = NTAP_OPT_IRMASK },
+#define NTAP_OPT_IRCAPTURE 2
+ { .name = "-ircapture" , .value = NTAP_OPT_IRCAPTURE },
+#define NTAP_OPT_ENABLED 3
+ { .name = "-enable" , .value = NTAP_OPT_ENABLED },
+#define NTAP_OPT_DISABLED 4
+ { .name = "-disable" , .value = NTAP_OPT_DISABLED },
+#define NTAP_OPT_EXPECTED_ID 5
+ { .name = "-expected-id" , .value = NTAP_OPT_EXPECTED_ID },
+ { .name = NULL , .value = -1 },
+ };
+
+ pTap = malloc( sizeof(jtag_tap_t) );
+ memset( pTap, 0, sizeof(*pTap) );
+ if( !pTap ){
+ Jim_SetResult_sprintf( goi->interp, "no memory");
+ return JIM_ERR;
+ }
+ /*
+ * we expect CHIP + TAP + OPTIONS
+ * */
+ if( goi->argc < 3 ){
+ Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
+ return JIM_ERR;
+ }
+ Jim_GetOpt_String( goi, &cp, NULL );
+ pTap->chip = strdup(cp);
+
+ Jim_GetOpt_String( goi, &cp, NULL );
+ pTap->tapname = strdup(cp);
+
+ /* name + dot + name + null */
+ x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
+ cp = malloc( x );
+ sprintf( cp, "%s.%s", pTap->chip, pTap->tapname );
+ pTap->dotted_name = cp;
+
+ LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
+ pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
+
+ /* default is enabled */
+ pTap->enabled = 1;
+
+ /* deal with options */
+#define NTREQ_IRLEN 1
+#define NTREQ_IRCAPTURE 2
+#define NTREQ_IRMASK 4
+
+ /* clear them as we find them */
+ reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK);
+
+ while( goi->argc ){
+ e = Jim_GetOpt_Nvp( goi, opts, &n );
+ if( e != JIM_OK ){
+ Jim_GetOpt_NvpUnknown( goi, opts, 0 );
+ return e;
+ }
+ LOG_DEBUG("Processing option: %s", n->name );
+ switch( n->value ){
+ case NTAP_OPT_ENABLED:
+ pTap->enabled = 1;
+ break;
+ case NTAP_OPT_DISABLED:
+ pTap->enabled = 0;
+ break;
+ case NTAP_OPT_EXPECTED_ID:
+ {
+ u32 *new_expected_ids;
+
+ e = Jim_GetOpt_Wide( goi, &w );
+ if( e != JIM_OK) {
+ Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ return e;
+ }
+
+ new_expected_ids = malloc(sizeof(u32) * (pTap->expected_ids_cnt + 1));
+ if (new_expected_ids == NULL) {
+ Jim_SetResult_sprintf( goi->interp, "no memory");
+ return JIM_ERR;
+ }
+
+ memcpy(new_expected_ids, pTap->expected_ids, sizeof(u32) * pTap->expected_ids_cnt);
+
+ new_expected_ids[pTap->expected_ids_cnt] = w;
+
+ free(pTap->expected_ids);
+ pTap->expected_ids = new_expected_ids;
+ pTap->expected_ids_cnt++;
+ break;
+ }
+ case NTAP_OPT_IRLEN:
+ case NTAP_OPT_IRMASK:
+ case NTAP_OPT_IRCAPTURE:
+ e = Jim_GetOpt_Wide( goi, &w );
+ if( e != JIM_OK ){
+ Jim_SetResult_sprintf( goi->interp, "option: %s bad parameter", n->name );
+ return e;
+ }
+ if( (w < 0) || (w > 0xffff) ){
+ /* wacky value */
+ Jim_SetResult_sprintf( goi->interp, "option: %s - wacky value: %d (0x%x)",
+ n->name, (int)(w), (int)(w));
+ return JIM_ERR;
+ }
+ switch(n->value){
+ case NTAP_OPT_IRLEN:
+ pTap->ir_length = w;
+ reqbits &= (~(NTREQ_IRLEN));
+ break;
+ case NTAP_OPT_IRMASK:
+ pTap->ir_capture_mask = w;
+ reqbits &= (~(NTREQ_IRMASK));
+ break;
+ case NTAP_OPT_IRCAPTURE:
+ pTap->ir_capture_value = w;
+ reqbits &= (~(NTREQ_IRCAPTURE));
+ break;
+ }
+ } /* switch(n->value) */
+ } /* while( goi->argc ) */
+
+ /* Did we get all the options? */
+ if( reqbits ){
+ // no
+ Jim_SetResult_sprintf( goi->interp,
+ "newtap: %s missing required parameters",
+ pTap->dotted_name);
+ /* TODO: Tell user what is missing :-( */
+ /* no memory leaks pelase */
+ free(((void *)(pTap->expected_ids)));
+ free(((void *)(pTap->chip)));
+ free(((void *)(pTap->tapname)));
+ free(((void *)(pTap->dotted_name)));
+ free(((void *)(pTap)));
+ return JIM_ERR;
+ }
+
+ pTap->expected = malloc( pTap->ir_length );
+ pTap->expected_mask = malloc( pTap->ir_length );
+ pTap->cur_instr = malloc( pTap->ir_length );
+
+ buf_set_u32( pTap->expected,
+ 0,
+ pTap->ir_length,
+ pTap->ir_capture_value );
+ buf_set_u32( pTap->expected_mask,
+ 0,
+ pTap->ir_length,
+ pTap->ir_capture_mask );
+ buf_set_ones( pTap->cur_instr,
+ pTap->ir_length );
+
+ pTap->bypass = 1;
+
+ jtag_register_event_callback(jtag_reset_callback, pTap );
+
+ ppTap = &(jtag_all_taps);
+ while( (*ppTap) != NULL ){
+ ppTap = &((*ppTap)->next_tap);
+ }
+ *ppTap = pTap;
+ {
+ static int n_taps = 0;
+ pTap->abs_chain_position = n_taps++;
+ }
+ LOG_DEBUG( "Created Tap: %s @ abs position %d, irlen %d, capture: 0x%x mask: 0x%x",
+ (*ppTap)->dotted_name,
+ (*ppTap)->abs_chain_position,
+ (*ppTap)->ir_length,
+ (*ppTap)->ir_capture_value,
+ (*ppTap)->ir_capture_mask );
+
+ return ERROR_OK;
+}
+
+static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
{
Jim_GetOptInfo goi;
int e;
Jim_Nvp *n;
+ Jim_Obj *o;
struct command_context_s *context;
enum {
JTAG_CMD_INTERFACE,
JTAG_CMD_INIT_RESET,
+ JTAG_CMD_NEWTAP,
+ JTAG_CMD_TAPENABLE,
+ JTAG_CMD_TAPDISABLE,
+ JTAG_CMD_TAPISENABLED,
+ JTAG_CMD_CONFIGURE,
+ JTAG_CMD_CGET
};
const Jim_Nvp jtag_cmds[] = {
{ .name = "interface" , .value = JTAG_CMD_INTERFACE },
{ .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
+ { .name = "newtap" , .value = JTAG_CMD_NEWTAP },
+ { .name = "tapisenabled" , .value = JTAG_CMD_TAPISENABLED },
+ { .name = "tapenable" , .value = JTAG_CMD_TAPENABLE },
+ { .name = "tapdisable" , .value = JTAG_CMD_TAPDISABLE },
+ { .name = "configure" , .value = JTAG_CMD_CONFIGURE },
+ { .name = "cget" , .value = JTAG_CMD_CGET },
{ .name = NULL, .value = -1 },
};
context = Jim_GetAssocData(interp, "context");
- // go past the command
+ /* go past the command */
Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
e = Jim_GetOpt_Nvp( &goi, jtag_cmds, &n );
Jim_SetEmptyResult( goi.interp );
switch( n->value ){
case JTAG_CMD_INTERFACE:
- // return the name of the interface
- // TCL code might need to know the exact type...
- // FUTURE: we allow this as a means to "set" the interface.
+ /* return the name of the interface */
+ /* TCL code might need to know the exact type... */
+ /* FUTURE: we allow this as a means to "set" the interface. */
if( goi.argc != 0 ){
Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
return JIM_ERR;
return JIM_ERR;
}
return JIM_OK;
- }
+ case JTAG_CMD_NEWTAP:
+ return jim_newtap_cmd( &goi );
+ break;
+ case JTAG_CMD_TAPISENABLED:
+ case JTAG_CMD_TAPENABLE:
+ case JTAG_CMD_TAPDISABLE:
+ if( goi.argc != 1 ){
+ Jim_SetResultString( goi.interp, "Too many parameters",-1 );
+ return JIM_ERR;
+ }
+ {
+ jtag_tap_t *t;
+ t = jtag_TapByJimObj( goi.interp, goi.argv[0] );
+ if( t == NULL ){
+ return JIM_ERR;
+ }
+ switch( n->value ){
+ case JTAG_CMD_TAPISENABLED:
+ e = t->enabled;
+ break;
+ case JTAG_CMD_TAPENABLE:
+ jtag_tap_handle_event( t, JTAG_TAP_EVENT_ENABLE);
+ e = 1;
+ t->enabled = e;
+ break;
+ case JTAG_CMD_TAPDISABLE:
+ jtag_tap_handle_event( t, JTAG_TAP_EVENT_DISABLE);
+ e = 0;
+ t->enabled = e;
+ break;
+ }
+ Jim_SetResult( goi.interp, Jim_NewIntObj( goi.interp, e ) );
+ return JIM_OK;
+ }
+ break;
+
+ case JTAG_CMD_CGET:
+ if( goi.argc < 2 ){
+ Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ...");
+ return JIM_ERR;
+ }
+
+ {
+ jtag_tap_t *t;
+
+ Jim_GetOpt_Obj(&goi, &o);
+ t = jtag_TapByJimObj( goi.interp, o );
+ if( t == NULL ){
+ return JIM_ERR;
+ }
+
+ goi.isconfigure = 0;
+ return jtag_tap_configure_cmd( &goi, t);
+ }
+ break;
+
+ case JTAG_CMD_CONFIGURE:
+ if( goi.argc < 3 ){
+ Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ?VALUE? ...");
+ return JIM_ERR;
+ }
+
+ {
+ jtag_tap_t *t;
+
+ Jim_GetOpt_Obj(&goi, &o);
+ t = jtag_TapByJimObj( goi.interp, o );
+ if( t == NULL ){
+ return JIM_ERR;
+ }
+
+ goi.isconfigure = 1;
+ return jtag_tap_configure_cmd( &goi, t);
+ }
+ }
return JIM_ERR;
}
register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command,
COMMAND_CONFIG, "jtag_device <ir_length> <ir_expected> <ir_mask>");
register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
- COMMAND_CONFIG, NULL);
+ COMMAND_ANY,
+ "[none/trst_only/srst_only/trst_and_srst] [srst_pulls_trst/trst_pulls_srst] [combined/separate] [trst_push_pull/trst_open_drain] [srst_push_pull/srst_open_drain]");
register_command(cmd_ctx, NULL, "jtag_nsrst_delay", handle_jtag_nsrst_delay_command,
COMMAND_ANY, "jtag_nsrst_delay <ms> - delay after deasserting srst in ms");
register_command(cmd_ctx, NULL, "jtag_ntrst_delay", handle_jtag_ntrst_delay_command,
if (jtag_interface->init() != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
-
-
jtag = jtag_interface;
return ERROR_OK;
}
static int jtag_init_inner(struct command_context_s *cmd_ctx)
{
- jtag_device_t *device;
+ jtag_tap_t *tap;
int retval;
LOG_DEBUG("Init JTAG chain");
- device = jtag_devices;
- jtag_ir_scan_size = 0;
- jtag_num_devices = 0;
- while (device != NULL)
- {
- jtag_ir_scan_size += device->ir_length;
- jtag_num_devices++;
- device = device->next;
+ tap = jtag_NextEnabledTap(NULL);
+ if( tap == NULL ){
+ LOG_ERROR("There are no enabled taps?");
+ return ERROR_JTAG_INIT_FAILED;
}
jtag_add_tlr();
if ((retval=jtag_interface_init(cmd_ctx)) != ERROR_OK)
return retval;
- LOG_DEBUG("Trying to bring the JTAG controller to life by asserting TRST / TLR");
+ LOG_DEBUG("Trying to bring the JTAG controller to life by asserting TRST / RESET");
/* Reset can happen after a power cycle.
*
- * Ideally we would only assert TRST or run TLR before the target reset.
+ * Ideally we would only assert TRST or run RESET before the target reset.
*
* However w/srst_pulls_trst, trst is asserted together with the target
* reset whether we want it or not.
* NB! order matters!!!! srst *can* disconnect JTAG circuitry
*
*/
- jtag_add_reset(1, 0); /* TLR or TRST */
+ jtag_add_reset(1, 0); /* RESET or TRST */
if (jtag_reset_config & RESET_HAS_SRST)
{
jtag_add_reset(1, 1);
int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- jtag_device_t **last_device_p = &jtag_devices;
-
- if (*last_device_p)
- {
- while ((*last_device_p)->next)
- last_device_p = &((*last_device_p)->next);
- last_device_p = &((*last_device_p)->next);
- }
+ int e;
+ char buf[1024];
+ Jim_Obj *newargs[ 10 ];
+ /*
+ * CONVERT SYNTAX
+ * argv[-1] = command
+ * argv[ 0] = ir length
+ * argv[ 1] = ir capture
+ * argv[ 2] = ir mask
+ * argv[ 3] = not actually used by anything but in the docs
+ */
- if (argc < 3)
+ if( argc < 4 ){
+ command_print( cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax");
return ERROR_OK;
-
- *last_device_p = malloc(sizeof(jtag_device_t));
- (*last_device_p)->ir_length = strtoul(args[0], NULL, 0);
-
- (*last_device_p)->expected = malloc((*last_device_p)->ir_length);
- buf_set_u32((*last_device_p)->expected, 0, (*last_device_p)->ir_length, strtoul(args[1], NULL, 0));
- (*last_device_p)->expected_mask = malloc((*last_device_p)->ir_length);
- buf_set_u32((*last_device_p)->expected_mask, 0, (*last_device_p)->ir_length, strtoul(args[2], NULL, 0));
-
- (*last_device_p)->cur_instr = malloc((*last_device_p)->ir_length);
- (*last_device_p)->bypass = 1;
- buf_set_ones((*last_device_p)->cur_instr, (*last_device_p)->ir_length);
-
- (*last_device_p)->next = NULL;
-
- jtag_register_event_callback(jtag_reset_callback, (*last_device_p));
-
- jtag_num_devices++;
-
- return ERROR_OK;
+ }
+ command_print( cmd_ctx, "OLD SYNTAX: DEPRECATED - translating to new syntax");
+ command_print( cmd_ctx, "jtag newtap CHIP TAP -irlen %s -ircapture %s -irvalue %s",
+ args[0],
+ args[1],
+ args[2] );
+ command_print( cmd_ctx, "Example: STM32 has 2 taps, the cortexM3(len4) + boundryscan(len5)");
+ command_print( cmd_ctx, "jtag newtap stm32 cortexm3 ....., thus creating the tap: \"stm32.cortexm3\"");
+ command_print( cmd_ctx, "jtag newtap stm32 boundry ....., and the tap: \"stm32.boundery\"");
+ command_print( cmd_ctx, "And then refer to the taps by the dotted name.");
+
+ newargs[0] = Jim_NewStringObj( interp, "jtag", -1 );
+ newargs[1] = Jim_NewStringObj( interp, "newtap", -1 );
+ sprintf( buf, "chip%d", jtag_NumTotalTaps() );
+ newargs[2] = Jim_NewStringObj( interp, buf, -1 );
+ sprintf( buf, "tap%d", jtag_NumTotalTaps() );
+ newargs[3] = Jim_NewStringObj( interp, buf, -1 );
+ newargs[4] = Jim_NewStringObj( interp, "-irlen", -1 );
+ newargs[5] = Jim_NewStringObj( interp, args[0], -1 );
+ newargs[6] = Jim_NewStringObj( interp, "-ircapture", -1 );
+ newargs[7] = Jim_NewStringObj( interp, args[1], -1 );
+ newargs[8] = Jim_NewStringObj( interp, "-irmask", -1 );
+ newargs[9] = Jim_NewStringObj( interp, args[2], -1 );
+
+ command_print( cmd_ctx, "NEW COMMAND:");
+ sprintf( buf, "%s %s %s %s %s %s %s %s %s %s",
+ Jim_GetString( newargs[0], NULL ),
+ Jim_GetString( newargs[1], NULL ),
+ Jim_GetString( newargs[2], NULL ),
+ Jim_GetString( newargs[3], NULL ),
+ Jim_GetString( newargs[4], NULL ),
+ Jim_GetString( newargs[5], NULL ),
+ Jim_GetString( newargs[6], NULL ),
+ Jim_GetString( newargs[7], NULL ),
+ Jim_GetString( newargs[8], NULL ),
+ Jim_GetString( newargs[9], NULL ) );
+
+ e = jim_jtag_command( interp, 10, newargs );
+ if( e != JIM_OK ){
+ command_print( cmd_ctx, "%s", Jim_GetString( Jim_GetResult(interp), NULL ) );
+ }
+ return e;
}
int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- jtag_device_t *device = jtag_devices;
- int device_count = 0;
+ jtag_tap_t *tap;
+
+ tap = jtag_all_taps;
+ command_print(cmd_ctx, " TapName | Enabled | IdCode Expected IrLen IrCap IrMask Instr ");
+ command_print(cmd_ctx, "---|--------------------|---------|------------|------------|------|------|------|---------");
+
+ while( tap ){
+ u32 expected, expected_mask, cur_instr, ii;
+ expected = buf_get_u32(tap->expected, 0, tap->ir_length);
+ expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length);
+ cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length);
+
+ command_print(cmd_ctx,
+ "%2d | %-18s | %c | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x",
+ tap->abs_chain_position,
+ tap->dotted_name,
+ tap->enabled ? 'Y' : 'n',
+ tap->idcode,
+ (tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
+ tap->ir_length,
+ expected,
+ expected_mask,
+ cur_instr);
+
+ for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
+ command_print(cmd_ctx, " | | | | 0x%08x | | | | ",
+ tap->expected_ids[ii]);
+ }
- while (device)
- {
- u32 expected, expected_mask, cur_instr;
- expected = buf_get_u32(device->expected, 0, device->ir_length);
- expected_mask = buf_get_u32(device->expected_mask, 0, device->ir_length);
- cur_instr = buf_get_u32(device->cur_instr, 0, device->ir_length);
- command_print(cmd_ctx, "%i: idcode: 0x%8.8x ir length %i, ir capture 0x%x, ir mask 0x%x, current instruction 0x%x", device_count, device->idcode, device->ir_length, expected, expected_mask, cur_instr);
- device = device->next;
- device_count++;
+ tap = tap->next_tap;
}
return ERROR_OK;
jtag_reset_config = RESET_TRST_AND_SRST;
else
{
- LOG_ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("(1) invalid reset_config argument (%s), defaulting to none", args[0]);
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
else
{
- LOG_ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("(2) invalid reset_config argument (%s), defaulting to none", args[1]);
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config &= ~RESET_TRST_OPEN_DRAIN;
else
{
- LOG_ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("(3) invalid reset_config argument (%s) defaulting to none", args[2] );
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config &= ~RESET_SRST_PUSH_PULL;
else
{
- LOG_ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("(4) invalid reset_config argument (%s), defaulting to none", args[3]);
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
{
for (state = 0; state < 16; state++)
{
- if (strcmp(args[0], tap_state_strings[state]) == 0)
+ if (strcmp(args[0], jtag_state_name(state)) == 0)
{
jtag_add_end_state(state);
jtag_execute_queue();
}
}
}
- command_print(cmd_ctx, "current endstate: %s", tap_state_strings[cmd_queue_end_state]);
+ command_print(cmd_ctx, "current endstate: %s", jtag_state_name(cmd_queue_end_state));
return ERROR_OK;
}
{
int i;
scan_field_t *fields;
+ jtag_tap_t *tap;
if ((argc < 2) || (argc % 2))
{
for (i = 0; i < argc / 2; i++)
{
- int device = strtoul(args[i*2], NULL, 0);
- int field_size = jtag_get_device(device)->ir_length;
- fields[i].device = device;
+ tap = jtag_TapByString( args[i*2] );
+ if (tap==NULL)
+ {
+ command_print( cmd_ctx, "Tap: %s unknown", args[i*2] );
+ return ERROR_FAIL;
+ }
+ int field_size = tap->ir_length;
+ fields[i].tap = tap;
fields[i].out_value = malloc(CEIL(field_size, 8));
buf_set_u32(fields[i].out_value, 0, field_size, strtoul(args[i*2+1], NULL, 0));
fields[i].out_mask = NULL;
int num_fields;
int field_count = 0;
int i, e;
- long device;
+ jtag_tap_t *tap;
/* args[1] = device
* args[2] = num_bits
return e;
}
- e = Jim_GetLong(interp, args[1], &device);
- if (e != JIM_OK)
- return e;
+ tap = jtag_TapByJimObj( interp, args[1] );
+ if( tap == NULL ){
+ return JIM_ERR;
+ }
num_fields=(argc-2)/2;
fields = malloc(sizeof(scan_field_t) * num_fields);
Jim_GetLong(interp, args[i], &bits);
str = Jim_GetString(args[i+1], &len);
- fields[field_count].device = device;
+ fields[field_count].tap = tap;
fields[field_count].num_bits = bits;
fields[field_count].out_value = malloc(CEIL(bits, 8));
str_to_buf(str, len, fields[field_count].out_value, bits, 0);
retval = jtag_execute_queue();
if (retval != ERROR_OK)
{
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "drscan: jtag execute failed", NULL);
+ Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
return JIM_ERR;
}
return ERROR_OK;
}
-
int jtag_power_dropout(int *dropout)
{
return jtag->power_dropout(dropout);
{
return jtag->srst_asserted(srst_asserted);
}
+
+void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e)
+{
+ jtag_tap_event_action_t * jteap;
+ int done;
+
+ jteap = tap->event_action;
+
+ done = 0;
+ while (jteap) {
+ if (jteap->event == e) {
+ done = 1;
+ LOG_DEBUG( "JTAG tap: %s event: %d (%s) action: %s\n",
+ tap->dotted_name,
+ e,
+ Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name,
+ Jim_GetString(jteap->body, NULL) );
+ if (Jim_EvalObj(interp, jteap->body) != JIM_OK) {
+ Jim_PrintErrorMessage(interp);
+ }
+ }
+
+ jteap = jteap->next;
+ }
+
+ if (!done) {
+ LOG_DEBUG( "event %d %s - no action",
+ e,
+ Jim_Nvp_value2name_simple( nvp_jtag_tap_event, e)->name);
+ }
+}
+
+/* map state number to SVF state string */
+const char* jtag_state_name(enum tap_state state)
+{
+ const char* ret;
+
+ switch( state )
+ {
+ case TAP_RESET: ret = "RESET"; break;
+ case TAP_IDLE: ret = "IDLE"; break;
+ case TAP_DRSELECT: ret = "DRSELECT"; break;
+ case TAP_DRCAPTURE: ret = "DRCAPTURE"; break;
+ case TAP_DRSHIFT: ret = "DRSHIFT"; break;
+ case TAP_DREXIT1: ret = "DREXIT1"; break;
+ case TAP_DRPAUSE: ret = "DRPAUSE"; break;
+ case TAP_DREXIT2: ret = "DREXIT2"; break;
+ case TAP_DRUPDATE: ret = "DRUPDATE"; break;
+ case TAP_IRSELECT: ret = "IRSELECT"; break;
+ case TAP_IRCAPTURE: ret = "IRCAPTURE"; break;
+ case TAP_IRSHIFT: ret = "IRSHIFT"; break;
+ case TAP_IREXIT1: ret = "IREXIT1"; break;
+ case TAP_IRPAUSE: ret = "IRPAUSE"; break;
+ case TAP_IREXIT2: ret = "IREXIT2"; break;
+ case TAP_IRUPDATE: ret = "IRUPDATE"; break;
+ default: ret = "???";
+ }
+
+ return ret;
+}
Code Review / openocd.git / blobdiff