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Diffstat (limited to 'src/jtag/jtag_driver.c')
-rw-r--r--src/jtag/jtag_driver.c520
1 files changed, 0 insertions, 520 deletions
diff --git a/src/jtag/jtag_driver.c b/src/jtag/jtag_driver.c
deleted file mode 100644
index ec211bf1..00000000
--- a/src/jtag/jtag_driver.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/***************************************************************************
- * 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
-
-#include "interface.h"
-#include "minidriver.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 interface_jtag_add_ir_scan(int in_num_fields, const scan_field_t *in_fields, tap_state_t state)
-{
- size_t num_taps = jtag_tap_count_enabled();
-
- 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_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(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_tap_count_enabled() and jtag_tap_next_enabled() not in sync */
-
- return ERROR_OK;
-}
-
-/**
- * see jtag_add_plain_ir_scan()
- *
- */
-int 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 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_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(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_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(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 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_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(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_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(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 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 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 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 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 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 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 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 interface_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;
- }
-}
-
-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;
-}
-
-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 interface_jtag_add_callback(jtag_callback1_t callback, u8 *in)
-{
- jtag_add_callback4(jtag_convert_to_callback4, in, (jtag_callback_data_t)callback, 0, 0);
-}
-
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