#include "config.h"
#endif
-#include "replacements.h"
-
#include "jtag.h"
-#include "command.h"
-#include "log.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
+int jtag_flush_queue_count; /* count # of flushes for profiling / debugging purposes */
+
+static void jtag_add_scan_check(void (*jtag_add_scan)(int num_fields, scan_field_t *fields, tap_state_t state),
+ int num_fields, scan_field_t *fields, tap_state_t state);
/* 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
int jtag_trst = 0;
int jtag_srst = 0;
+#ifndef HAVE_JTAG_MINIDRIVER_H
+struct jtag_callback_entry
+{
+ struct jtag_callback_entry *next;
+
+ jtag_callback_t callback;
+ u8 *in;
+ jtag_callback_data_t data1;
+ jtag_callback_data_t data2;
+ jtag_callback_data_t data3;
+};
+
+
+static struct jtag_callback_entry *jtag_callback_queue_head = NULL;
+static struct jtag_callback_entry *jtag_callback_queue_tail = NULL;
+#endif
+
+
jtag_command_t *jtag_command_queue = NULL;
jtag_command_t **last_comand_pointer = &jtag_command_queue;
static jtag_tap_t *jtag_all_taps = NULL;
tap_state_t cmd_queue_cur_state = TAP_RESET;
int jtag_verify_capture_ir = 1;
+int jtag_verify = 1;
/* how long the OpenOCD should wait before attempting JTAG communication after reset lines deasserted (in ms) */
static int jtag_nsrst_delay = 0; /* default to no nSRST delay */
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);
+static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
jtag_tap_t *jtag_AllTaps(void)
{
return last_comand_pointer;
}
+
+void jtag_queue_command(jtag_command_t * cmd)
+{
+ jtag_command_t **last_cmd;
+
+ last_cmd = jtag_get_last_command_p();
+
+ *last_cmd = cmd;
+
+ (*last_cmd)->next = NULL;
+
+ last_comand_pointer = &((*last_cmd)->next);
+}
+
+
void* cmd_queue_alloc(size_t size)
{
cmd_queue_page_t **p_page = &cmd_queue_pages;
cmd_queue_cur_state = cmd_queue_end_state;
}
-void jtag_add_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
+void jtag_add_ir_scan_noverify(int num_fields, scan_field_t *fields, tap_state_t state)
{
int retval;
-
jtag_prelude(state);
retval=interface_jtag_add_ir_scan(num_fields, fields, cmd_queue_end_state);
if (retval!=ERROR_OK)
jtag_error=retval;
+
+}
+
+
+void jtag_add_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
+{
+ if (jtag_verify&&jtag_verify_capture_ir)
+ {
+ /* 8 x 32 bit id's is enough for all invoations */
+ int j;
+ for (j = 0; j < num_fields; j++)
+ {
+ fields[j].check_value=NULL;
+ fields[j].check_mask=NULL;
+ /* 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.
+ */
+ fields[j].check_value=fields[j].tap->expected;
+ fields[j].check_mask=fields[j].tap->expected_mask;
+ }
+ jtag_add_scan_check(jtag_add_ir_scan_noverify, num_fields, fields, state);
+ } else
+ {
+ jtag_add_ir_scan_noverify(num_fields, fields, state);
+ }
}
int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
- jtag_command_t **last_cmd;
jtag_tap_t *tap;
int j;
int x;
int nth_tap;
int scan_size = 0;
- 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_SCAN;
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
/* allocate memory for ir scan command */
- (*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
- (*last_cmd)->cmd.scan->ir_scan = 1;
+ cmd->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
+ cmd->cmd.scan->ir_scan = true;
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;
+ cmd->cmd.scan->num_fields = x; /* one field per device */
+ cmd->cmd.scan->fields = cmd_queue_alloc(x * sizeof(scan_field_t));
+ cmd->cmd.scan->end_state = state;
nth_tap = -1;
tap = NULL;
break;
}
nth_tap++;
+
+ assert(nth_tap < x );
+
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 */
+ cmd->cmd.scan->fields[nth_tap].tap = tap;
+ cmd->cmd.scan->fields[nth_tap].num_bits = scan_size;
+ cmd->cmd.scan->fields[nth_tap].in_value = NULL; /* do not collect input for tap's in bypass */
/* search the list */
for (j = 0; j < num_fields; j++)
if (tap == fields[j].tap)
{
found = 1;
- (*last_cmd)->cmd.scan->fields[nth_tap].out_value = buf_cpy(fields[j].out_value, 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+nth_tap, tap->expected, tap->expected_mask, NULL);
- } else
- {
- (*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;
- }
- }
+ cmd->cmd.scan->fields[nth_tap].in_value = fields[j].in_value;
+ cmd->cmd.scan->fields[nth_tap].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
tap->bypass = 0;
break;
if (!found)
{
/* 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);
+ cmd->cmd.scan->fields[nth_tap].out_value = buf_set_ones(cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
tap->bypass = 1;
}
/* update device information */
- buf_cpy((*last_cmd)->cmd.scan->fields[nth_tap].out_value, tap->cur_instr, scan_size);
+ buf_cpy(cmd->cmd.scan->fields[nth_tap].out_value, tap->cur_instr, scan_size);
}
+ assert(nth_tap == (x-1));
return ERROR_OK;
}
int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
- int i;
- jtag_command_t **last_cmd;
+ /* allocate memory for a new list member */
- last_cmd = jtag_get_last_command_p();
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
- /* 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_SCAN;
+ cmd->type = JTAG_SCAN;
/* 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 = num_fields;
- (*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
- (*last_cmd)->cmd.scan->end_state = state;
+ cmd->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
+ cmd->cmd.scan->ir_scan = true;
+ cmd->cmd.scan->num_fields = num_fields;
+ cmd->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
+ cmd->cmd.scan->end_state = state;
- for( i = 0 ; i < num_fields ; i++ ){
+ for (int 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].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].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;
+ cmd->cmd.scan->fields[i].tap = fields[i].tap;
+ cmd->cmd.scan->fields[i].num_bits = num_bits;
+ cmd->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
+ cmd->cmd.scan->fields[i].in_value = fields[i].in_value;
}
+
return ERROR_OK;
}
jtag_error=retval;
}
-void jtag_add_dr_scan_now(int num_fields, scan_field_t *fields, tap_state_t state)
+
+int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits);
+
+static int jtag_check_value_mask_callback(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
+{
+ return jtag_check_value_inner(in, (u8 *)data1, (u8 *)data2, (int)data3);
+}
+
+static void jtag_add_scan_check(void (*jtag_add_scan)(int num_fields, scan_field_t *fields, tap_state_t state),
+ int num_fields, scan_field_t *fields, tap_state_t state)
{
- jtag_add_dr_scan(num_fields, fields, state);
- jtag_execute_queue_noclear();
+ for (int i=0; i<num_fields; i++)
+ {
+ fields[i].allocated=0;
+ fields[i].modified=0;
+ if ((fields[i].check_value!=NULL)&&(fields[i].in_value==NULL))
+ {
+ fields[i].modified=1;
+ /* we need storage space... */
+#ifdef HAVE_JTAG_MINIDRIVER_H
+ if (fields[i].num_bits<=32)
+ {
+ /* This is enough space and we're executing this synchronously */
+ fields[i].in_value=fields[i].intmp;
+ } else
+ {
+ fields[i].in_value=(u8 *)malloc(CEIL(fields[i].num_bits, 8));
+ fields[i].allocated=1;
+ }
+#else
+ fields[i].in_value=(u8 *)cmd_queue_alloc(CEIL(fields[i].num_bits, 8));
+#endif
+ }
+ }
+
+ jtag_add_scan(num_fields, fields, state);
+
+ for (int i=0; i<num_fields; i++)
+ {
+ if ((fields[i].check_value!=NULL)&&(fields[i].in_value!=NULL))
+ {
+ /* this is synchronous for a minidriver */
+ jtag_add_callback4(jtag_check_value_mask_callback, fields[i].in_value, (jtag_callback_data_t)fields[i].check_value, (jtag_callback_data_t)fields[i].check_mask, (jtag_callback_data_t)fields[i].num_bits);
+ }
+ if (fields[i].allocated)
+ {
+ free(fields[i].in_value);
+ }
+ if (fields[i].modified)
+ {
+ fields[i].in_value=NULL;
+ }
+ }
+}
+
+void jtag_add_dr_scan_check(int num_fields, scan_field_t *fields, tap_state_t state)
+{
+ if (jtag_verify)
+ {
+ jtag_add_scan_check(jtag_add_dr_scan, num_fields, fields, state);
+ } else
+ {
+ jtag_add_dr_scan(num_fields, fields, state);
+ }
}
int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
/* allocate memory for dr scan command */
(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
- (*last_cmd)->cmd.scan->ir_scan = 0;
+ (*last_cmd)->cmd.scan->ir_scan = false;
(*last_cmd)->cmd.scan->num_fields = num_fields + bypass_devices;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
(*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
{
#endif
}
}
+
+ /* field_count represents the true number of fields setup*/
+ (*last_cmd)->cmd.scan->num_fields = field_count;
return ERROR_OK;
}
/* allocate memory for dr scan command */
(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
- (*last_cmd)->cmd.scan->ir_scan = 0;
+ (*last_cmd)->cmd.scan->ir_scan = false;
(*last_cmd)->cmd.scan->num_fields = num_fields + bypass_devices;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = end_state;
(*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++;
}
}
}
/* allocate memory for scan command */
(*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
- (*last_cmd)->cmd.scan->ir_scan = 0;
+ (*last_cmd)->cmd.scan->ir_scan = false;
(*last_cmd)->cmd.scan->num_fields = num_fields;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
(*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;
int i;
bit_count = jtag_scan_size(cmd);
- *buffer = malloc(CEIL(bit_count, 8));
+ *buffer = calloc(1,CEIL(bit_count, 8));
bit_count = 0;
/* 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 (tap == NULL) ? "(unknown)" : tap->dotted_name;
}
-int jtag_check_value(u8 *captured, void *priv, scan_field_t *field)
+int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits)
{
int retval = ERROR_OK;
- int num_bits = field->num_bits;
int compare_failed = 0;
- if (field->in_check_mask)
- compare_failed = buf_cmp_mask(captured, field->in_check_value, field->in_check_mask, num_bits);
+ if (in_check_mask)
+ compare_failed = buf_cmp_mask(captured, in_check_value, in_check_mask, num_bits);
else
- compare_failed = buf_cmp(captured, field->in_check_value, num_bits);
+ compare_failed = buf_cmp(captured, in_check_value, num_bits);
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:",
jtag_tap_name(field->tap));
+ */
if (compare_failed)
{
char *captured_char = buf_to_str(captured, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
- char *in_check_value_char = buf_to_str(field->in_check_value, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
+ char *in_check_value_char = buf_to_str(in_check_value, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
- if (field->in_check_mask)
+ if (in_check_mask)
{
char *in_check_mask_char;
- in_check_mask_char = buf_to_str(field->in_check_mask, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
+ in_check_mask_char = buf_to_str(in_check_mask, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
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);
return retval;
}
-/*
- 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, error_handler_t *in_error_handler)
+void jtag_check_value_mask(scan_field_t *field, u8 *value, u8 *mask)
{
- 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;
+ assert(field->in_value != NULL);
+
+ if (value==NULL)
+ {
+ /* no checking to do */
+ return;
+ }
+
+ jtag_execute_queue_noclear();
+
+ int retval=jtag_check_value_inner(field->in_value, value, mask, field->num_bits);
+ jtag_set_error(retval);
}
+
+
enum scan_type jtag_scan_type(scan_command_t *cmd)
{
int i;
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;
return type;
}
-int MINIDRIVER(interface_jtag_execute_queue)(void)
+
+#ifndef HAVE_JTAG_MINIDRIVER_H
+/* add callback to end of queue */
+void jtag_add_callback4(jtag_callback_t callback, u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
+{
+ struct jtag_callback_entry *entry=cmd_queue_alloc(sizeof(struct jtag_callback_entry));
+
+ entry->next=NULL;
+ entry->callback=callback;
+ entry->in=in;
+ entry->data1=data1;
+ entry->data2=data2;
+ entry->data3=data3;
+
+ if (jtag_callback_queue_head==NULL)
+ {
+ jtag_callback_queue_head=entry;
+ jtag_callback_queue_tail=entry;
+ } else
+ {
+ jtag_callback_queue_tail->next=entry;
+ jtag_callback_queue_tail=entry;
+ }
+}
+
+
+static int jtag_convert_to_callback4(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
+{
+ ((jtag_callback1_t)data1)(in);
+ return ERROR_OK;
+}
+
+void jtag_add_callback(jtag_callback1_t callback, u8 *in)
+{
+ jtag_add_callback4(jtag_convert_to_callback4, in, (jtag_callback_data_t)callback, 0, 0);
+}
+#endif
+
+#ifndef HAVE_JTAG_MINIDRIVER_H
+
+int interface_jtag_execute_queue(void)
{
int retval;
retval = jtag->execute_queue();
+ if (retval == ERROR_OK)
+ {
+ struct jtag_callback_entry *entry;
+ for (entry=jtag_callback_queue_head; entry!=NULL; entry=entry->next)
+ {
+ retval=entry->callback(entry->in, entry->data1, entry->data2, entry->data3);
+ if (retval!=ERROR_OK)
+ break;
+ }
+ }
+
cmd_queue_free();
+ jtag_callback_queue_head = NULL;
+ jtag_callback_queue_tail = NULL;
+
jtag_command_queue = NULL;
last_comand_pointer = &jtag_command_queue;
return retval;
}
+#endif
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>");
+ register_command(cmd_ctx, NULL, "verify_jtag", handle_verify_jtag_command,
+ COMMAND_ANY, "verify value capture <enable|disable>");
return ERROR_OK;
}
/* "statename" */
/* at the end of the arguments. */
/* assume none. */
- endstate = TAP_INVALID;
+ endstate = cmd_queue_end_state;
if( argc >= 4 ){
/* have at least one pair of numbers. */
/* is last pair the magic text? */
}
}
- fields = malloc(sizeof(scan_field_t) * argc / 2);
+ int num_fields = argc / 2;
+
+ fields = malloc(sizeof(scan_field_t) * num_fields);
- for (i = 0; i < argc / 2; i++)
+ for (i = 0; i < num_fields; i++)
{
tap = jtag_TapByString( args[i*2] );
if (tap==NULL)
}
int field_size = tap->ir_length;
fields[i].tap = tap;
+ fields[i].num_bits = field_size;
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);
/* did we have an endstate? */
- if (endstate != TAP_INVALID)
- jtag_add_end_state(endstate);
+ jtag_add_ir_scan(num_fields, fields, endstate);
- jtag_execute_queue();
+ int retval=jtag_execute_queue();
- for (i = 0; i < argc / 2; i++)
+ for (i = 0; i < num_fields; i++)
free(fields[i].out_value);
free (fields);
- return ERROR_OK;
+ return retval;
}
static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
}
/* assume no endstate */
- endstate = TAP_INVALID;
+ endstate = cmd_queue_end_state;
/* validate arguments as numbers */
e = JIM_OK;
for (i = 2; i < argc; i+=2)
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);
- /* did we get an end state? */
- if (endstate != TAP_INVALID)
- jtag_add_end_state(endstate);
+ jtag_add_dr_scan(num_fields, fields, endstate);
retval = jtag_execute_queue();
if (retval != ERROR_OK)
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)
return ERROR_OK;
}
+static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ if (strcmp(args[0], "enable") == 0)
+ {
+ jtag_verify = 1;
+ }
+ else if (strcmp(args[0], "disable") == 0)
+ {
+ jtag_verify = 0;
+ } else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ } else if (argc != 0)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ command_print(cmd_ctx, "verify jtag capture is %s", (jtag_verify) ? "enabled": "disabled");
+
+ return ERROR_OK;
+}
+
int jtag_power_dropout(int *dropout)
{
return jtag->power_dropout(dropout);
/* to state: */
/* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
- { B8(1111111,7), B8(0,1), B8(00101,5), B8(01010,5), B8(001101,6), B8(010110,6) }, /* RESET */
- { B8(1111111,7), B8(0,1), B8(001,3), B8(0101,4), B8(0011,4), B8(01011,5) }, /* IDLE */
+ { B8(1111111,7), B8(0000000,7), B8(00101,5), B8(01010,5), B8(001101,6), B8(010110,6) }, /* RESET */
+ { B8(1111111,7), B8(0000000,7), B8(001,3), B8(0101,4), B8(0011,4), B8(01011,5) }, /* IDLE */
{ B8(1111111,7), B8(011,3), B8(00111,5), B8(01,2), B8(001111,6), B8(0101111,7) }, /* DRSHIFT */
- { B8(1111111,7), B8(011,3), B8(01,2), B8(0,1), B8(001111,6), B8(0101111,7) }, /* DRPAUSE */
+ { B8(1111111,7), B8(011,3), B8(01,2), B8(0,1), B8(001111,6), B8(0101111,7) }, /* DRPAUSE */
{ B8(1111111,7), B8(011,3), B8(00111,5), B8(010111,6), B8(001111,6), B8(01,2) }, /* IRSHIFT */
{ B8(1111111,7), B8(011,3), B8(00111,5), B8(010111,6), B8(01,2), B8(0,1) } /* IRPAUSE */
#else /* this is the old table, converted from hex and with the bit_count set to 7 for each combo, like before */
/* to state: */
- /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
- { B8(1111111,7), B8(0000000,7), B8(0010111,7), B8(0001010,7), B8(0011011,7), B8(0010110,7) }, /* RESET */
- { B8(1111111,7), B8(0000000,7), B8(0100101,7), B8(0000101,7), B8(0101011,7), B8(0001011,7) }, /* IDLE */
- { B8(1111111,7), B8(0110001,7), B8(0000000,7), B8(0000001,7), B8(0001111,7), B8(0101111,7) }, /* DRSHIFT */
- { B8(1111111,7), B8(0110000,7), B8(0100000,7), B8(0010111,7), B8(0011110,7), B8(0101111,7) }, /* DRPAUSE */
- { B8(1111111,7), B8(0110001,7), B8(0000111,7), B8(0010111,7), B8(0000000,7), B8(0000001,7) }, /* IRSHIFT */
- { B8(1111111,7), B8(0110000,7), B8(0011100,7), B8(0010111,7), B8(0100000,7), B8(0101111,7) } /* IRPAUSE */
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */ /* from state: */
+ { B8(1111111,7), B8(0000000,7), B8(0010111,7), B8(0001010,7), B8(0011011,7), B8(0010110,7) }, /* RESET */
+ { B8(1111111,7), B8(0000000,7), B8(0100101,7), B8(0000101,7), B8(0101011,7), B8(0001011,7) }, /* IDLE */
+ { B8(1111111,7), B8(0110001,7), B8(0000000,7), B8(0000001,7), B8(0001111,7), B8(0101111,7) }, /* DRSHIFT */
+ { B8(1111111,7), B8(0110000,7), B8(0100000,7), B8(0010111,7), B8(0011110,7), B8(0101111,7) }, /* DRPAUSE */
+ { B8(1111111,7), B8(0110001,7), B8(0000111,7), B8(0010111,7), B8(0000000,7), B8(0000001,7) }, /* IRSHIFT */
+ { B8(1111111,7), B8(0110000,7), B8(0011100,7), B8(0010111,7), B8(0011110,7), B8(0101111,7) }, /* IRPAUSE */
#endif
}
#endif // _DEBUG_JTAG_IO_
+#ifndef HAVE_JTAG_MINIDRIVER_H
+void jtag_alloc_in_value32(scan_field_t *field)
+{
+ field->in_value=(u8 *)cmd_queue_alloc(4);
+}
+#endif
+
+
/*-----</Cable Helper API>--------------------------------------*/
Code Review / openocd.git / blobdiff