summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/jtag/jtag.c162
-rw-r--r--src/jtag/jtag.h4
2 files changed, 100 insertions, 66 deletions
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index eb4a245a..a4fd7553 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -496,15 +496,31 @@ int INTERFACE(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields,
int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
- jtag_command_t **last_cmd;
- int i;
-
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
+ return jtag_error=ERROR_JTAG_TRST_ASSERTED;
}
+ if (state != -1)
+ cmd_queue_end_state = state;
+
+ if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_RELEASED);
+
+ if (cmd_queue_end_state == TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+
+ cmd_queue_cur_state = cmd_queue_end_state;
+
+ return interface_jtag_add_plain_ir_scan(num_fields, fields, state);
+}
+
+int INTERFACE(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ int i;
+ jtag_command_t **last_cmd;
+
last_cmd = jtag_get_last_command_p();
/* allocate memory for a new list member */
@@ -520,17 +536,6 @@ int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
-
for (i = 0; i < num_fields; i++)
{
int num_bits = fields[i].num_bits;
@@ -550,18 +555,35 @@ int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state
int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
+ if (jtag_trst == 1)
+ {
+ WARNING("JTAG command queued, while TRST is low (TAP in reset)");
+ return jtag_error=ERROR_JTAG_TRST_ASSERTED;
+ }
+
+ if (state != -1)
+ cmd_queue_end_state = state;
+
+ if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_RELEASED);
+
+ if (cmd_queue_end_state == TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+
+ cmd_queue_cur_state = cmd_queue_end_state;
+
+ return interface_jtag_add_dr_scan(num_fields, fields, state);
+}
+
+int INTERFACE(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
int i, j;
int bypass_devices = 0;
int field_count = 0;
- jtag_command_t **last_cmd = jtag_get_last_command_p();
- jtag_device_t *device = jtag_devices;
int scan_size;
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+ jtag_device_t *device = jtag_devices;
/* count devices in bypass */
while (device)
@@ -584,17 +606,6 @@ int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
-
for (i = 0; i < jtag_num_devices; i++)
{
int found = 0;
@@ -650,15 +661,31 @@ int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
- int i;
- jtag_command_t **last_cmd = jtag_get_last_command_p();
-
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
+ return jtag_error=ERROR_JTAG_TRST_ASSERTED;
}
+ if (state != -1)
+ cmd_queue_end_state = state;
+
+ if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_RELEASED);
+
+ if (cmd_queue_end_state == TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+
+ cmd_queue_cur_state = cmd_queue_end_state;
+
+ return interface_jtag_add_plain_dr_scan(num_fields, fields, state);
+}
+
+int INTERFACE(interface_jtag_add_plain_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ int i;
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
@@ -671,17 +698,6 @@ int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state
(*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;
-
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
for (i = 0; i < num_fields; i++)
{
@@ -741,22 +757,36 @@ int INTERFACE(interface_jtag_add_statemove)(enum tap_state state)
int jtag_add_pathmove(int num_states, enum tap_state *path)
{
- jtag_command_t **last_cmd = jtag_get_last_command_p();
- int i;
-
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
+ return jtag_error=ERROR_JTAG_TRST_ASSERTED;
}
/* the last state has to be a stable state */
if (tap_move_map[path[num_states - 1]] == -1)
{
ERROR("TAP path doesn't finish in a stable state");
- return ERROR_JTAG_NOT_IMPLEMENTED;
+ return jtag_error=ERROR_JTAG_NOT_IMPLEMENTED;
}
+ if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_RELEASED);
+
+ if (cmd_queue_end_state == TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+
+ cmd_queue_cur_state = path[num_states - 1];
+
+ return interface_jtag_add_pathmove(num_states, path);
+}
+
+
+int INTERFACE(interface_jtag_add_pathmove)(int num_states, enum tap_state *path)
+{
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+ int i;
+
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
@@ -769,14 +799,6 @@ int jtag_add_pathmove(int num_states, enum tap_state *path)
for (i = 0; i < num_states; i++)
(*last_cmd)->cmd.pathmove->path[i] = path[i];
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = path[num_states - 1];
return ERROR_OK;
}
@@ -931,7 +953,7 @@ int INTERFACE(interface_jtag_add_reset)(int req_trst, int req_srst)
return ERROR_OK;
}
-int jtag_add_end_state(enum tap_state state)
+int INTERFACE(interface_jtag_add_end_state)(enum tap_state state)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
@@ -944,13 +966,18 @@ int jtag_add_end_state(enum tap_state state)
(*last_cmd)->cmd.end_state = cmd_queue_alloc(sizeof(end_state_command_t));
(*last_cmd)->cmd.end_state->end_state = state;
+ return ERROR_OK;
+}
+
+int jtag_add_end_state(enum tap_state state)
+{
+ int retval = interface_jtag_add_end_state(state);
if (state != -1)
cmd_queue_end_state = state;
-
- return ERROR_OK;
+ return retval;
}
-int jtag_add_sleep(u32 us)
+int INTERFACE(interface_jtag_add_sleep)(u32 us)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
@@ -966,6 +993,11 @@ int jtag_add_sleep(u32 us)
return ERROR_OK;
}
+int jtag_add_sleep(u32 us)
+{
+ return interface_jtag_add_sleep(us);
+}
+
int jtag_scan_size(scan_command_t *cmd)
{
int bit_count = 0;
diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index 0c9c3675..e190858a 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -275,6 +275,8 @@ extern int interface_jtag_add_statemove(enum tap_state endstate);
/* A list of unambigious single clock state transitions, not
* all drivers can support this, but it is required for e.g.
* XScale and Xilinx support
+ *
+ * Note! TAP_TLR must not be used in the path!
*/
extern int jtag_add_pathmove(int num_states, enum tap_state *path);
extern int interface_jtag_add_pathmove(int num_states, enum tap_state *path);
@@ -284,7 +286,7 @@ extern int interface_jtag_add_runtest(int num_cycles, enum tap_state endstate);
extern int jtag_add_reset(int trst, int srst);
extern int interface_jtag_add_reset(int trst, int srst);
extern int jtag_add_end_state(enum tap_state endstate);
-extern int inteface_jtag_add_end_state(enum tap_state endstate);
+extern int interface_jtag_add_end_state(enum tap_state endstate);
extern int jtag_add_sleep(u32 us);
extern int interface_jtag_add_sleep(u32 us);
/*
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-09 17:36:11 +0000