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-rw-r--r--src/jtag/Makefile.am7
-rw-r--r--src/jtag/jtag.c43
-rw-r--r--src/jtag/minidummy.c190
-rw-r--r--src/jtag/minidummy/jtag_minidriver.h43
4 files changed, 264 insertions, 19 deletions
diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am
index 09d0685c..fa5861a5 100644
--- a/src/jtag/Makefile.am
+++ b/src/jtag/Makefile.am
@@ -51,6 +51,12 @@ else
ECOSBOARDFILES =
endif
+if MINIDUMMY
+MINIDUMMYFILES = minidummy.c
+else
+MINIDUMMYFILES =
+endif
+
if MINIDRIVER
DRIVERFILES =
else
@@ -131,6 +137,7 @@ libjtag_la_SOURCES = \
$(PRESTOFILES) \
$(USBPROGFILES) \
$(ECOSBOARDFILES) \
+ $(MINIDUMMYFILES) \
$(JLINKFILES) \
$(RLINKFILES) \
$(VSLLINKFILES) \
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index 2a81b086..e5b79cde 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -99,6 +99,9 @@ static bool hasKHz = false;
extern jtag_interface_t zy1000_interface;
#endif
+#if BUILD_MINIDUMMY == 1
+ extern jtag_interface_t minidummy_interface;
+#endif
#if BUILD_PARPORT == 1
extern jtag_interface_t parport_interface;
#endif
@@ -159,6 +162,9 @@ jtag_interface_t *jtag_interfaces[] = {
#if BUILD_ECOSBOARD == 1
&zy1000_interface,
#endif
+#if BUILD_MINIDUMMY == 1
+ &minidummy_interface,
+#endif
#if BUILD_PARPORT == 1
&parport_interface,
#endif
@@ -240,7 +246,7 @@ jtag_tap_t *jtag_all_taps(void)
int jtag_tap_count(void)
{
return jtag_num_taps;
-}
+ }
unsigned jtag_tap_count_enabled(void)
{
@@ -1058,12 +1064,12 @@ static bool jtag_examine_chain_match_tap(const struct jtag_tap_s *tap)
tap->dotted_name, tap->expected_ids[ii]);
}
return false;
-}
+ }
/* Try to examine chain layout according to IEEE 1149.1 §12
*/
static int jtag_examine_chain(void)
-{
+ {
u8 idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
unsigned device_count = 0;
@@ -1087,7 +1093,7 @@ static int jtag_examine_chain(void)
{
/* LSB must not be 0, this indicates a device in bypass */
LOG_WARNING("Tap/Device does not have IDCODE");
- idcode = 0;
+ idcode=0;
bit_count += 1;
}
@@ -1097,9 +1103,9 @@ static int jtag_examine_chain(void)
* End of chain (invalid manufacturer ID) some devices, such
* as AVR will output all 1's instead of TDI input value at
* end of chain.
- */
+ */
if (jtag_idcode_is_final(idcode))
- {
+ {
jtag_examine_chain_end(idcode_buffer,
bit_count + 32, JTAG_MAX_CHAIN_SIZE * 32);
break;
@@ -1115,7 +1121,7 @@ static int jtag_examine_chain(void)
if (!tap)
continue;
- tap->idcode = idcode;
+ tap->idcode = idcode;
// ensure the TAP ID does matches what was expected
if (!jtag_examine_chain_match_tap(tap))
@@ -1478,12 +1484,12 @@ static int jim_newtap_cmd( Jim_GetOptInfo *goi )
return ERROR_OK;
}
- Jim_SetResult_sprintf(goi->interp,
- "newtap: %s missing required parameters",
- pTap->dotted_name);
+ Jim_SetResult_sprintf( goi->interp,
+ "newtap: %s missing required parameters",
+ pTap->dotted_name);
jtag_tap_free(pTap);
- return JIM_ERR;
-}
+ return JIM_ERR;
+ }
static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
{
@@ -2133,7 +2139,6 @@ static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, ch
return ERROR_OK;
}
-
static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
int retval=ERROR_OK;
@@ -2218,11 +2223,11 @@ static int handle_endstate_command(struct command_context_s *cmd_ctx, char *cmd,
tap_state_t state = tap_state_by_name(args[0]);
if (state < 0)
{
- command_print( cmd_ctx, "Invalid state name: %s\n", args[0] );
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- jtag_set_end_state(state);
- jtag_execute_queue();
+ command_print( cmd_ctx, "Invalid state name: %s\n", args[0] );
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ jtag_set_end_state(state);
+ jtag_execute_queue();
command_print(cmd_ctx, "current endstate: %s",
tap_state_name(cmd_queue_end_state));
@@ -2571,7 +2576,7 @@ static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *c
jtag_set_verify(false);
else
return ERROR_COMMAND_SYNTAX_ERROR;
- }
+ }
const char *status = jtag_will_verify() ? "enabled": "disabled";
command_print(cmd_ctx, "verify jtag capture is %s", status);
diff --git a/src/jtag/minidummy.c b/src/jtag/minidummy.c
new file mode 100644
index 00000000..76a957f0
--- /dev/null
+++ b/src/jtag/minidummy.c
@@ -0,0 +1,190 @@
+/***************************************************************************
+ * Copyright (C) 2007-2008 by Øyvind Harboe *
+ * *
+ * 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 "embeddedice.h"
+#include "minidriver.h"
+#include "interface.h"
+
+
+
+
+jtag_interface_t minidummy_interface =
+{
+ .name = "minidummy",
+ .execute_queue = NULL,
+ .speed = NULL,
+ .register_commands = NULL,
+ .init = NULL,
+ .quit = NULL,
+ .khz = NULL,
+ .speed_div = NULL,
+ .power_dropout = NULL,
+ .srst_asserted = NULL,
+};
+
+
+
+
+
+
+int interface_jtag_execute_queue(void)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+
+
+
+
+extern int jtag_check_value(u8 *captured, void *priv);
+
+int interface_jtag_set_end_state(tap_state_t state)
+{
+ return ERROR_OK;
+}
+
+
+int interface_jtag_add_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+
+}
+
+
+
+
+
+int interface_jtag_add_plain_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+/*extern jtag_command_t **jtag_get_last_command_p(void);*/
+
+int interface_jtag_add_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+int interface_jtag_add_plain_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+
+int interface_jtag_add_tlr()
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+
+
+int interface_jtag_add_reset(int req_trst, int req_srst)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+
+int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+int interface_jtag_add_clocks(int num_cycles)
+{
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+int interface_jtag_add_sleep(u32 us)
+{
+ jtag_sleep(us);
+ return ERROR_OK;
+}
+
+int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
+{
+ int state_count;
+ int tms = 0;
+
+ state_count = 0;
+
+ tap_state_t cur_state=cmd_queue_cur_state;
+
+ while (num_states)
+ {
+ if (tap_state_transition(cur_state, false) == path[state_count])
+ {
+ tms = 0;
+ }
+ else if (tap_state_transition(cur_state, true) == path[state_count])
+ {
+ tms = 1;
+ }
+ else
+ {
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(cur_state), tap_state_name(path[state_count]));
+ exit(-1);
+ }
+
+ /* synchronously do the operation here */
+
+ cur_state = path[state_count];
+ state_count++;
+ num_states--;
+ }
+
+
+ /* synchronously do the operation here */
+
+ return ERROR_OK;
+}
+
+
+
+void embeddedice_write_dcc(jtag_tap_t *tap, int reg_addr, u8 *buffer, int little, int count)
+{
+ int i;
+ for (i = 0; i < count; i++)
+ {
+ embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little));
+ buffer += 4;
+ }
+}
+
diff --git a/src/jtag/minidummy/jtag_minidriver.h b/src/jtag/minidummy/jtag_minidriver.h
new file mode 100644
index 00000000..ac928e44
--- /dev/null
+++ b/src/jtag/minidummy/jtag_minidriver.h
@@ -0,0 +1,43 @@
+/***************************************************************************
+ * Copyright (C) 2007-2008 by Øyvind Harboe *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+
+
+
+static __inline__ void interface_jtag_add_dr_out_core(jtag_tap_t *target_tap,
+ int num_fields,
+ const int *num_bits,
+ const u32 *value,
+ enum tap_state end_state)
+{
+ /* synchronously do the operation here */
+}
+
+static __inline__ void interface_jtag_add_dr_out(jtag_tap_t *target_tap,
+ int num_fields,
+ const int *num_bits,
+ const u32 *value,
+ enum tap_state end_state)
+{
+ /* synchronously do the operation here */
+}
+
+#define interface_jtag_add_callback(callback, in) callback(in)
+
+#define interface_jtag_add_callback4(callback, in, data1, data2, data3) jtag_set_error(callback(in, data1, data2, data3))
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-25 13:20:19 +0000