#endif
#include <assert.h>
-
+int jtag_flush_queue_count; /* count # of flushes for profiling / debugging purposes */
/* note that this is not marked as static as it must be available from outside jtag.c for those
that implement the jtag_xxx() minidriver layer
static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
+static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args);
static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
u32 id[8];
int modified[8];
+
/* if we are to run a verification of the ir scan, we need to get the input back.
* We may have to allocate space if the caller didn't ask for the input back.
*
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 */
+ (*last_cmd)->cmd.scan->fields[nth_tap].in_value = fields[nth_tap].in_value;
/* search the list */
for (j = 0; j < num_fields; j++)
(*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].in_value = fields[i].in_value;
- (*last_cmd)->cmd.scan->fields[i].in_check_value = fields[i].in_check_value;
- (*last_cmd)->cmd.scan->fields[i].in_check_mask = fields[i].in_check_mask;
- (*last_cmd)->cmd.scan->fields[i].in_handler = NULL;
- (*last_cmd)->cmd.scan->fields[i].in_handler_priv = NULL;
}
return ERROR_OK;
}
(*last_cmd)->cmd.scan->fields[field_count].num_bits = scan_size;
(*last_cmd)->cmd.scan->fields[field_count].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].in_value = fields[j].in_value;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_value = fields[j].in_check_value;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = fields[j].in_check_mask;
- (*last_cmd)->cmd.scan->fields[field_count].in_handler = fields[j].in_handler;
- (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = fields[j].in_handler_priv;
+ field_count++;
}
}
if (!found)
(*last_cmd)->cmd.scan->fields[field_count].num_bits = 1;
(*last_cmd)->cmd.scan->fields[field_count].out_value = NULL;
(*last_cmd)->cmd.scan->fields[field_count].in_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_handler = NULL;
- (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = NULL;
+ field_count++;
}
else
{
(*last_cmd)->cmd.scan->fields[field_count].num_bits = scan_size;
(*last_cmd)->cmd.scan->fields[field_count].out_value = buf_cpy(out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].in_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_handler = NULL;
- (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = NULL;
+ field_count++;
}
} else
{
(*last_cmd)->cmd.scan->fields[field_count].num_bits = 1;
(*last_cmd)->cmd.scan->fields[field_count].out_value = NULL;
(*last_cmd)->cmd.scan->fields[field_count].in_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_value = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = NULL;
- (*last_cmd)->cmd.scan->fields[field_count].in_handler = NULL;
- (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = NULL;
+ field_count++;
}
}
}
(*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].in_value = fields[i].in_value;
- (*last_cmd)->cmd.scan->fields[i].in_check_value = fields[i].in_check_value;
- (*last_cmd)->cmd.scan->fields[i].in_check_mask = fields[i].in_check_mask;
- (*last_cmd)->cmd.scan->fields[i].in_handler = fields[i].in_handler;
- (*last_cmd)->cmd.scan->fields[i].in_handler_priv = fields[i].in_handler_priv;
}
return ERROR_OK;
/* if neither in_value nor in_handler
* are specified we don't have to examine this field
*/
- if (cmd->fields[i].in_value || cmd->fields[i].in_handler)
+ if (cmd->fields[i].in_value)
{
int num_bits = cmd->fields[i].num_bits;
u8 *captured = buf_set_buf(buffer, bit_count, malloc(CEIL(num_bits, 8)), 0, num_bits);
if (cmd->fields[i].in_value)
{
buf_cpy(captured, cmd->fields[i].in_value, num_bits);
-
- if (cmd->fields[i].in_handler)
- {
- 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: with \"in_value\", mismatch in %s", cmd->ir_scan ? "SIR" : "SDR" );
- retval = ERROR_JTAG_QUEUE_FAILED;
- }
- }
- }
-
- /* no in_value specified, but a handler takes care of the scanned data */
- if (cmd->fields[i].in_handler && (!cmd->fields[i].in_value))
- {
- if (cmd->fields[i].in_handler(captured, cmd->fields[i].in_handler_priv, cmd->fields+i) != ERROR_OK)
- {
- /* 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: w/o \"in_value\", mismatch in %s", cmd->ir_scan ? "SIR" : "SDR" );
- retval = ERROR_JTAG_QUEUE_FAILED;
- }
}
free(captured);
return retval;
}
-int jtag_check_value(u8 *captured, void *priv, scan_field_t *field)
-{
- return jtag_check_value_inner(captured, field, field->in_check_value, field->in_check_mask);
-}
-
-/*
- set up checking of this field using the in_handler. The values passed in must be valid until
- after jtag_execute() has completed.
- */
-void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, struct invalidstruct *obsolete)
-{
- if (value)
- field->in_handler = jtag_check_value;
- else
- field->in_handler = NULL; /* No check, e.g. embeddedice uses value==NULL to indicate no check */
- field->in_handler_priv = NULL;
- field->in_check_value = value;
- field->in_check_mask = mask;
-}
-
void jtag_check_value_mask(scan_field_t *field, u8 *value, u8 *mask)
{
assert(field->in_value != NULL);
int retval=jtag_check_value_inner(field->in_value, field, value, mask);
jtag_set_error(retval);
-
}
for (i = 0; i < cmd->num_fields; i++)
{
- if (cmd->fields[i].in_value || cmd->fields[i].in_handler)
+ if (cmd->fields[i].in_value)
type |= SCAN_IN;
if (cmd->fields[i].out_value)
type |= SCAN_OUT;
void jtag_execute_queue_noclear(void)
{
+ /* each flush can take as much as 1-2ms on high bandwidth low latency interfaces.
+ * E.g. a JTAG over TCP/IP or USB....
+ */
+ jtag_flush_queue_count++;
+
int retval=interface_jtag_execute_queue();
/* we keep the first error */
if ((jtag_error==ERROR_OK)&&(retval!=ERROR_OK))
field.in_value = idcode_buffer;
- field.in_handler = NULL;
+
for (i = 0; i < JTAG_MAX_CHAIN_SIZE; i++)
{
field.num_bits = total_ir_length;
field.out_value = ir_test;
field.in_value = ir_test;
- field.in_handler = NULL;
+
jtag_add_plain_ir_scan(1, &field, TAP_RESET);
jtag_execute_queue();
register_command(cmd_ctx, NULL, "irscan", handle_irscan_command,
COMMAND_EXEC, "execute IR scan <device> <instr> [dev2] [instr2] ...");
register_jim(cmd_ctx, "drscan", Jim_Command_drscan, "execute DR scan <device> <num_bits> <value> <num_bits1> <value2> ...");
+ register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count, "returns number of times the JTAG queue has been flushed");
register_command(cmd_ctx, NULL, "verify_ircapture", handle_verify_ircapture_command,
COMMAND_ANY, "verify value captured during Capture-IR <enable|disable>");
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].in_value = NULL;
- fields[i].in_check_mask = NULL;
- fields[i].in_handler = NULL;
- fields[i].in_handler_priv = NULL;
}
jtag_add_ir_scan(argc / 2, fields, TAP_INVALID);
fields[field_count].out_value = malloc(CEIL(bits, 8));
str_to_buf(str, len, fields[field_count].out_value, bits, 0);
fields[field_count].in_value = fields[field_count].out_value;
- fields[field_count].in_check_mask = NULL;
- fields[field_count].in_check_value = NULL;
- fields[field_count].in_handler = NULL;
- fields[field_count++].in_handler_priv = NULL;
+ field_count++;
}
jtag_add_dr_scan(num_fields, fields, TAP_INVALID);
return JIM_OK;
}
+
+static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+{
+ Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_flush_queue_count));
+
+ return JIM_OK;
+}
+
+
static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 1)