* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007-2009 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2009 SoftPLC Corporation *
#include "config.h"
#endif
-#include "interface.h"
-#include "minidriver.h"
-#include "command.h"
+#include <jtag/jtag.h>
+#include <jtag/interface.h>
+#include <jtag/commands.h>
+#include <jtag/minidriver.h>
+#include <helper/command.h>
struct jtag_callback_entry
{
*/
static void cmd_queue_scan_field_clone(struct scan_field * dst, const struct scan_field * src)
{
- dst->tap = src->tap;
dst->num_bits = src->num_bits;
dst->out_value = buf_cpy(src->out_value, cmd_queue_alloc(DIV_ROUND_UP(src->num_bits, 8)), src->num_bits);
dst->in_value = src->in_value;
* see jtag_add_ir_scan()
*
*/
-int interface_jtag_add_ir_scan(int in_num_fields, const struct scan_field *in_fields, tap_state_t state)
+int interface_jtag_add_ir_scan(struct jtag_tap* active, const struct scan_field *in_fields, tap_state_t state)
{
size_t num_taps = jtag_tap_count_enabled();
{
/* search the input field list for fields for the current TAP */
- bool found = false;
-
- for (int j = 0; j < in_num_fields; j++)
+ if (tap == active)
{
- if (tap != in_fields[j].tap)
- continue;
-
/* if TAP is listed in input fields, copy the value */
-
- found = true;
-
tap->bypass = 0;
- assert(in_fields[j].num_bits == tap->ir_length); /* input fields must have the same length as the TAP's IR */
-
- cmd_queue_scan_field_clone(field, in_fields + j);
-
- break;
- }
-
- if (!found)
+ cmd_queue_scan_field_clone(field, in_fields);
+ } else
{
/* if a TAP isn't listed in input fields, set it to BYPASS */
tap->bypass = 1;
- field->tap = tap;
field->num_bits = tap->ir_length;
field->out_value = buf_set_ones(cmd_queue_alloc(DIV_ROUND_UP(tap->ir_length, 8)), tap->ir_length);
field->in_value = NULL; /* do not collect input for tap's in bypass */
* see jtag_add_dr_scan()
*
*/
-int interface_jtag_add_dr_scan(int in_num_fields, const struct scan_field *in_fields, tap_state_t state)
+int interface_jtag_add_dr_scan(struct jtag_tap* active, int in_num_fields, const struct scan_field *in_fields, tap_state_t state)
{
/* count devices in bypass */
if (!tap->bypass)
{
- struct scan_field * start_field = field; /* keep initial position for assert() */
+ assert(active == tap);
+#ifndef NDEBUG
+ /* remember initial position for assert() */
+ struct scan_field *start_field = field;
+#endif /* NDEBUG */
for (int j = 0; j < in_num_fields; j++)
{
- if (tap != in_fields[j].tap)
- continue;
-
cmd_queue_scan_field_clone(field, in_fields + j);
field++;
/* if a TAP is bypassed, generated a dummy bit*/
else
{
- field->tap = tap;
field->num_bits = 1;
field->out_value = NULL;
field->in_value = NULL;
size_t scan_size = num_bits[j];
buf_set_u32(out_value, 0, scan_size, value[j]);
- field->tap = tap;
field->num_bits = scan_size;
field->out_value = buf_cpy(out_value, cmd_queue_alloc(DIV_ROUND_UP(scan_size, 8)), scan_size);
field->in_value = NULL;
else
{
- field->tap = tap;
field->num_bits = 1;
field->out_value = NULL;
field->in_value = NULL;
return ERROR_OK;
}
+int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state state)
+{
+ struct jtag_command *cmd;
+
+ cmd = cmd_queue_alloc(sizeof(struct jtag_command));
+ if (cmd == NULL)
+ return ERROR_FAIL;
+
+ cmd->type = JTAG_TMS;
+ cmd->cmd.tms = cmd_queue_alloc(sizeof(*cmd->cmd.tms));
+ if (!cmd->cmd.tms)
+ return ERROR_FAIL;
+
+ /* copy the bits; our caller doesn't guarantee they'll persist */
+ cmd->cmd.tms->num_bits = num_bits;
+ cmd->cmd.tms->bits = buf_cpy(seq,
+ cmd_queue_alloc(DIV_ROUND_UP(num_bits, 8)), num_bits);
+ if (!cmd->cmd.tms->bits)
+ return ERROR_FAIL;
+
+ jtag_queue_command(cmd);
+
+ return ERROR_OK;
+}
+
int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
{
/* allocate memory for a new list member */
jtag_add_callback4(jtag_convert_to_callback4, data0, (jtag_callback_data_t)callback, 0, 0);
}
+
+/* A minidriver can use use an inline versions of this API level fn */
+void jtag_add_dr_out(struct jtag_tap* tap,
+ int num_fields, const int* num_bits, const uint32_t* value,
+ tap_state_t end_state)
+{
+ assert(end_state != TAP_RESET);
+ assert(end_state != TAP_INVALID);
+
+ cmd_queue_cur_state = end_state;
+
+ interface_jtag_add_dr_out(tap,
+ num_fields, num_bits, value,
+ end_state);
+}
+
+void jtag_add_callback(jtag_callback1_t f, jtag_callback_data_t data0)
+{
+ interface_jtag_add_callback(f, data0);
+}
+
+void jtag_add_callback4(jtag_callback_t f, jtag_callback_data_t data0,
+ jtag_callback_data_t data1, jtag_callback_data_t data2,
+ jtag_callback_data_t data3)
+{
+ interface_jtag_add_callback4(f, data0, data1, data2, data3);
+}
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