ARMJTAGEWFILES =
endif
-libjtag_la_SOURCES = jtag.c \
+libjtag_la_SOURCES = \
+ jtag.c \
+ jtag_driver.c \
$(BITBANGFILES) \
$(PARPORTFILES) \
$(DUMMYFILES) \
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;
-
-static void jtag_callback_queue_reset(void)
-{
- jtag_callback_queue_head = NULL;
- jtag_callback_queue_tail = NULL;
-}
-#endif
-
-
jtag_command_t *jtag_command_queue = NULL;
static jtag_command_t **next_command_pointer = &jtag_command_queue;
static jtag_tap_t *jtag_all_taps = NULL;
NULL,
};
-static jtag_interface_t *jtag = NULL;
+struct jtag_interface_s *jtag = NULL;
/* configuration */
static jtag_interface_t *jtag_interface = NULL;
next_command_pointer = &jtag_command_queue;
}
-/**
- * Copy a scan_field_t for insertion into the queue.
- *
- * This allocates a new copy of out_value using cmd_queue_alloc.
- */
-static void cmd_queue_scan_field_clone(scan_field_t * dst, const scan_field_t * src)
-{
- dst->tap = src->tap;
- dst->num_bits = src->num_bits;
- dst->out_value = buf_cpy(src->out_value, cmd_queue_alloc(CEIL(src->num_bits, 8)), src->num_bits);
- dst->in_value = src->in_value;
-}
-
-
static void jtag_prelude1(void)
{
if (jtag_trst == 1)
}
}
-/**
- * see jtag_add_ir_scan()
- *
- */
-int MINIDRIVER(interface_jtag_add_ir_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
-{
- size_t num_taps = jtag_NumEnabledTaps();
-
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
- scan_field_t * out_fields = cmd_queue_alloc(num_taps * sizeof(scan_field_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SCAN;
- cmd->cmd.scan = scan;
-
- scan->ir_scan = true;
- scan->num_fields = num_taps; /* one field per device */
- scan->fields = out_fields;
- scan->end_state = state;
-
-
- scan_field_t * field = out_fields; /* keep track where we insert data */
-
- /* loop over all enabled TAPs */
-
- for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
- {
- /* 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 != 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)
- {
- /* 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(CEIL(tap->ir_length, 8)), tap->ir_length);
- field->in_value = NULL; /* do not collect input for tap's in bypass */
- }
-
- /* update device information */
- buf_cpy(field->out_value, tap->cur_instr, tap->ir_length);
-
- field++;
- }
-
- assert(field == out_fields + num_taps); /* paranoia: jtag_NumEnabledTaps() and jtag_NextEnabledTap() not in sync */
-
- return ERROR_OK;
-}
-
/**
* Duplicate the scan fields passed into the function into an IR SCAN command
*
}
-/**
- * see jtag_add_plain_ir_scan()
- *
- */
-int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
-{
-
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
- scan_field_t * out_fields = cmd_queue_alloc(in_num_fields * sizeof(scan_field_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SCAN;
- cmd->cmd.scan = scan;
-
- scan->ir_scan = true;
- scan->num_fields = in_num_fields;
- scan->fields = out_fields;
- scan->end_state = state;
-
- for (int i = 0; i < in_num_fields; i++)
- cmd_queue_scan_field_clone(out_fields + i, in_fields + i);
-
- return ERROR_OK;
-}
-
-
int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits);
}
-/**
- * see jtag_add_dr_scan()
- *
- */
-int MINIDRIVER(interface_jtag_add_dr_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
-{
- /* count devices in bypass */
-
- size_t bypass_devices = 0;
-
- for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
- {
- if (tap->bypass)
- bypass_devices++;
- }
-
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
- scan_field_t * out_fields = cmd_queue_alloc((in_num_fields + bypass_devices) * sizeof(scan_field_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SCAN;
- cmd->cmd.scan = scan;
-
- scan->ir_scan = false;
- scan->num_fields = in_num_fields + bypass_devices;
- scan->fields = out_fields;
- scan->end_state = state;
-
-
- scan_field_t * field = out_fields; /* keep track where we insert data */
-
- /* loop over all enabled TAPs */
-
- for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
- {
- /* if TAP is not bypassed insert matching input fields */
-
- if (!tap->bypass)
- {
- scan_field_t * start_field = field; /* keep initial position for assert() */
-
- 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++;
- }
-
- assert(field > start_field); /* must have at least one input field per not bypassed TAP */
- }
-
- /* 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;
-
- field++;
- }
- }
-
- assert(field == out_fields + scan->num_fields); /* no superfluous input fields permitted */
-
- return ERROR_OK;
-}
-
-
-
-/**
- * Generate a DR SCAN using the array of output values passed to the function
- *
- * This function assumes that the parameter target_tap specifies the one TAP
- * that is not bypassed. All other TAPs must be bypassed and the function will
- * generate a dummy 1bit field for them.
- *
- * For the target_tap a sequence of output-only fields will be generated where
- * each field has the size num_bits and the field's values are taken from
- * the array value.
- *
- * The bypass status of TAPs is set by jtag_add_ir_scan().
- *
- */
-void MINIDRIVER(interface_jtag_add_dr_out)(jtag_tap_t *target_tap,
- int in_num_fields,
- const int *num_bits,
- const u32 *value,
- tap_state_t end_state)
-{
- /* count devices in bypass */
-
- size_t bypass_devices = 0;
-
- for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
- {
- if (tap->bypass)
- bypass_devices++;
- }
-
-
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
- scan_field_t * out_fields = cmd_queue_alloc((in_num_fields + bypass_devices) * sizeof(scan_field_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SCAN;
- cmd->cmd.scan = scan;
-
- scan->ir_scan = false;
- scan->num_fields = in_num_fields + bypass_devices;
- scan->fields = out_fields;
- scan->end_state = end_state;
-
-
- bool target_tap_match = false;
-
- scan_field_t * field = out_fields; /* keep track where we insert data */
-
- /* loop over all enabled TAPs */
-
- for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
- {
- /* if TAP is not bypassed insert matching input fields */
-
- if (!tap->bypass)
- {
- assert(tap == target_tap); /* target_tap must match the one not bypassed TAP */
-
- target_tap_match = true;
-
- for (int j = 0; j < in_num_fields; j++)
- {
- u8 out_value[4];
- 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(CEIL(scan_size, 8)), scan_size);
- field->in_value = NULL;
-
- 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;
-
- field++;
- }
- }
-
- assert(target_tap_match); /* target_tap should be enabled and not bypassed */
-}
-
/**
* Duplicate the scan fields passed into the function into a DR SCAN command
}
-/**
- * see jtag_add_plain_dr_scan()
- *
- */
-int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
-{
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
- scan_field_t * out_fields = cmd_queue_alloc(in_num_fields * sizeof(scan_field_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SCAN;
- cmd->cmd.scan = scan;
-
- scan->ir_scan = false;
- scan->num_fields = in_num_fields;
- scan->fields = out_fields;
- scan->end_state = state;
-
- for (int i = 0; i < in_num_fields; i++)
- cmd_queue_scan_field_clone(out_fields + i, in_fields + i);
-
- return ERROR_OK;
-}
-
void jtag_add_tlr(void)
{
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_tlr)(void)
-{
- tap_state_t state = TAP_RESET;
-
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_STATEMOVE;
-
- cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
- cmd->cmd.statemove->end_state = state;
-
- return ERROR_OK;
-}
-
void jtag_add_pathmove(int num_states, const tap_state_t *path)
{
tap_state_t cur_state = cmd_queue_cur_state;
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_pathmove)(int num_states, const tap_state_t *path)
-{
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_PATHMOVE;
-
- cmd->cmd.pathmove = cmd_queue_alloc(sizeof(pathmove_command_t));
- cmd->cmd.pathmove->num_states = num_states;
- cmd->cmd.pathmove->path = cmd_queue_alloc(sizeof(tap_state_t) * num_states);
-
- for (int i = 0; i < num_states; i++)
- cmd->cmd.pathmove->path[i] = path[i];
-
- return ERROR_OK;
-}
-
-int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, tap_state_t state)
-{
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_RUNTEST;
-
- cmd->cmd.runtest = cmd_queue_alloc(sizeof(runtest_command_t));
- cmd->cmd.runtest->num_cycles = num_cycles;
- cmd->cmd.runtest->end_state = state;
-
- return ERROR_OK;
-}
-
void jtag_add_runtest(int num_cycles, tap_state_t state)
{
int retval;
}
-int MINIDRIVER(interface_jtag_add_clocks)( int num_cycles )
-{
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_STABLECLOCKS;
-
- cmd->cmd.stableclocks = cmd_queue_alloc(sizeof(stableclocks_command_t));
- cmd->cmd.stableclocks->num_cycles = num_cycles;
-
- return ERROR_OK;
-}
-
void jtag_add_clocks( int num_cycles )
{
int retval;
}
}
-int MINIDRIVER(interface_jtag_add_reset)(int req_trst, int req_srst)
-{
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_RESET;
-
- cmd->cmd.reset = cmd_queue_alloc(sizeof(reset_command_t));
- cmd->cmd.reset->trst = req_trst;
- cmd->cmd.reset->srst = req_srst;
-
- return ERROR_OK;
-}
-
void jtag_add_end_state(tap_state_t state)
{
cmd_queue_end_state = state;
}
}
-int MINIDRIVER(interface_jtag_add_sleep)(u32 us)
-{
- /* allocate memory for a new list member */
- jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
-
- jtag_queue_command(cmd);
-
- cmd->type = JTAG_SLEEP;
-
- cmd->cmd.sleep = cmd_queue_alloc(sizeof(sleep_command_t));
- cmd->cmd.sleep->us = us;
-
- return ERROR_OK;
-}
-
void jtag_add_sleep(u32 us)
{
keep_alive(); /* we might be running on a very slow JTAG clk */
return type;
}
-
-#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 = default_interface_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;
- }
- }
-
- jtag_command_queue_reset();
- jtag_callback_queue_reset();
-
- return retval;
-}
-#endif
-
int default_interface_jtag_execute_queue(void)
{
if (NULL == jtag)
}
#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
-
static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 1)
extern jtag_command_t* jtag_command_queue;
+extern void* cmd_queue_alloc(size_t size);
+extern void cmd_queue_free(void);
+
+extern void jtag_queue_command(jtag_command_t *cmd);
+extern void jtag_command_queue_reset(void);
+
#endif // INCLUDE_JTAG_INTERFACE_H
/* forward declaration */
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * Copyright (C) 2009 SoftPLC Corporation *
+ * http://softplc.com *
+ * dick@softplc.com *
+ * *
+ * Copyright (C) 2009 Zachary T Welch *
+ * zw@superlucidity.net *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define INCLUDE_JTAG_MINIDRIVER_H
+#define INCLUDE_JTAG_INTERFACE_H
+#include "jtag.h"
+#include "command.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;
+
+static void jtag_callback_queue_reset(void)
+{
+ jtag_callback_queue_head = NULL;
+ jtag_callback_queue_tail = NULL;
+}
+
+/**
+ * Copy a scan_field_t for insertion into the queue.
+ *
+ * This allocates a new copy of out_value using cmd_queue_alloc.
+ */
+static void cmd_queue_scan_field_clone(scan_field_t * dst, const scan_field_t * src)
+{
+ dst->tap = src->tap;
+ dst->num_bits = src->num_bits;
+ dst->out_value = buf_cpy(src->out_value, cmd_queue_alloc(CEIL(src->num_bits, 8)), src->num_bits);
+ dst->in_value = src->in_value;
+}
+
+/**
+ * see jtag_add_ir_scan()
+ *
+ */
+int MINIDRIVER(interface_jtag_add_ir_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
+{
+ size_t num_taps = jtag_NumEnabledTaps();
+
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
+ scan_field_t * out_fields = cmd_queue_alloc(num_taps * sizeof(scan_field_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
+ cmd->cmd.scan = scan;
+
+ scan->ir_scan = true;
+ scan->num_fields = num_taps; /* one field per device */
+ scan->fields = out_fields;
+ scan->end_state = state;
+
+
+ scan_field_t * field = out_fields; /* keep track where we insert data */
+
+ /* loop over all enabled TAPs */
+
+ for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
+ {
+ /* 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 != 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)
+ {
+ /* 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(CEIL(tap->ir_length, 8)), tap->ir_length);
+ field->in_value = NULL; /* do not collect input for tap's in bypass */
+ }
+
+ /* update device information */
+ buf_cpy(field->out_value, tap->cur_instr, tap->ir_length);
+
+ field++;
+ }
+
+ assert(field == out_fields + num_taps); /* paranoia: jtag_NumEnabledTaps() and jtag_NextEnabledTap() not in sync */
+
+ return ERROR_OK;
+}
+
+/**
+ * see jtag_add_plain_ir_scan()
+ *
+ */
+int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
+{
+
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
+ scan_field_t * out_fields = cmd_queue_alloc(in_num_fields * sizeof(scan_field_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
+ cmd->cmd.scan = scan;
+
+ scan->ir_scan = true;
+ scan->num_fields = in_num_fields;
+ scan->fields = out_fields;
+ scan->end_state = state;
+
+ for (int i = 0; i < in_num_fields; i++)
+ cmd_queue_scan_field_clone(out_fields + i, in_fields + i);
+
+ return ERROR_OK;
+}
+
+
+
+/**
+ * see jtag_add_dr_scan()
+ *
+ */
+int MINIDRIVER(interface_jtag_add_dr_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
+{
+ /* count devices in bypass */
+
+ size_t bypass_devices = 0;
+
+ for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
+ {
+ if (tap->bypass)
+ bypass_devices++;
+ }
+
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
+ scan_field_t * out_fields = cmd_queue_alloc((in_num_fields + bypass_devices) * sizeof(scan_field_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
+ cmd->cmd.scan = scan;
+
+ scan->ir_scan = false;
+ scan->num_fields = in_num_fields + bypass_devices;
+ scan->fields = out_fields;
+ scan->end_state = state;
+
+
+ scan_field_t * field = out_fields; /* keep track where we insert data */
+
+ /* loop over all enabled TAPs */
+
+ for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
+ {
+ /* if TAP is not bypassed insert matching input fields */
+
+ if (!tap->bypass)
+ {
+ scan_field_t * start_field = field; /* keep initial position for assert() */
+
+ 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++;
+ }
+
+ assert(field > start_field); /* must have at least one input field per not bypassed TAP */
+ }
+
+ /* 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;
+
+ field++;
+ }
+ }
+
+ assert(field == out_fields + scan->num_fields); /* no superfluous input fields permitted */
+
+ return ERROR_OK;
+}
+
+
+
+/**
+ * Generate a DR SCAN using the array of output values passed to the function
+ *
+ * This function assumes that the parameter target_tap specifies the one TAP
+ * that is not bypassed. All other TAPs must be bypassed and the function will
+ * generate a dummy 1bit field for them.
+ *
+ * For the target_tap a sequence of output-only fields will be generated where
+ * each field has the size num_bits and the field's values are taken from
+ * the array value.
+ *
+ * The bypass status of TAPs is set by jtag_add_ir_scan().
+ *
+ */
+void MINIDRIVER(interface_jtag_add_dr_out)(jtag_tap_t *target_tap,
+ int in_num_fields,
+ const int *num_bits,
+ const u32 *value,
+ tap_state_t end_state)
+{
+ /* count devices in bypass */
+
+ size_t bypass_devices = 0;
+
+ for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
+ {
+ if (tap->bypass)
+ bypass_devices++;
+ }
+
+
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
+ scan_field_t * out_fields = cmd_queue_alloc((in_num_fields + bypass_devices) * sizeof(scan_field_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
+ cmd->cmd.scan = scan;
+
+ scan->ir_scan = false;
+ scan->num_fields = in_num_fields + bypass_devices;
+ scan->fields = out_fields;
+ scan->end_state = end_state;
+
+
+ bool target_tap_match = false;
+
+ scan_field_t * field = out_fields; /* keep track where we insert data */
+
+ /* loop over all enabled TAPs */
+
+ for (jtag_tap_t * tap = jtag_NextEnabledTap(NULL); tap != NULL; tap = jtag_NextEnabledTap(tap))
+ {
+ /* if TAP is not bypassed insert matching input fields */
+
+ if (!tap->bypass)
+ {
+ assert(tap == target_tap); /* target_tap must match the one not bypassed TAP */
+
+ target_tap_match = true;
+
+ for (int j = 0; j < in_num_fields; j++)
+ {
+ u8 out_value[4];
+ 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(CEIL(scan_size, 8)), scan_size);
+ field->in_value = NULL;
+
+ 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;
+
+ field++;
+ }
+ }
+
+ assert(target_tap_match); /* target_tap should be enabled and not bypassed */
+}
+
+/**
+ * see jtag_add_plain_dr_scan()
+ *
+ */
+int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
+{
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ scan_command_t * scan = cmd_queue_alloc(sizeof(scan_command_t));
+ scan_field_t * out_fields = cmd_queue_alloc(in_num_fields * sizeof(scan_field_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SCAN;
+ cmd->cmd.scan = scan;
+
+ scan->ir_scan = false;
+ scan->num_fields = in_num_fields;
+ scan->fields = out_fields;
+ scan->end_state = state;
+
+ for (int i = 0; i < in_num_fields; i++)
+ cmd_queue_scan_field_clone(out_fields + i, in_fields + i);
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_tlr)(void)
+{
+ tap_state_t state = TAP_RESET;
+
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_STATEMOVE;
+
+ cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
+ cmd->cmd.statemove->end_state = state;
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_pathmove)(int num_states, const tap_state_t *path)
+{
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_PATHMOVE;
+
+ cmd->cmd.pathmove = cmd_queue_alloc(sizeof(pathmove_command_t));
+ cmd->cmd.pathmove->num_states = num_states;
+ cmd->cmd.pathmove->path = cmd_queue_alloc(sizeof(tap_state_t) * num_states);
+
+ for (int i = 0; i < num_states; i++)
+ cmd->cmd.pathmove->path[i] = path[i];
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, tap_state_t state)
+{
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_RUNTEST;
+
+ cmd->cmd.runtest = cmd_queue_alloc(sizeof(runtest_command_t));
+ cmd->cmd.runtest->num_cycles = num_cycles;
+ cmd->cmd.runtest->end_state = state;
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_clocks)( int num_cycles )
+{
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_STABLECLOCKS;
+
+ cmd->cmd.stableclocks = cmd_queue_alloc(sizeof(stableclocks_command_t));
+ cmd->cmd.stableclocks->num_cycles = num_cycles;
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_reset)(int req_trst, int req_srst)
+{
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_RESET;
+
+ cmd->cmd.reset = cmd_queue_alloc(sizeof(reset_command_t));
+ cmd->cmd.reset->trst = req_trst;
+ cmd->cmd.reset->srst = req_srst;
+
+ return ERROR_OK;
+}
+
+int MINIDRIVER(interface_jtag_add_sleep)(u32 us)
+{
+ /* allocate memory for a new list member */
+ jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+
+ jtag_queue_command(cmd);
+
+ cmd->type = JTAG_SLEEP;
+
+ cmd->cmd.sleep = cmd_queue_alloc(sizeof(sleep_command_t));
+ cmd->cmd.sleep->us = us;
+
+ return ERROR_OK;
+}
+
+/* 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);
+}
+
+int interface_jtag_execute_queue(void)
+{
+ int retval = default_interface_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;
+ }
+ }
+
+ jtag_command_queue_reset();
+ jtag_callback_queue_reset();
+
+ return retval;
+}
+
+void jtag_alloc_in_value32(scan_field_t *field)
+{
+ field->in_value=(u8 *)cmd_queue_alloc(4);
+}
Code Review / openocd.git / commitdiff