*/
static int jtag_error = ERROR_OK;
-static char* jtag_event_strings[] =
+static const char *jtag_event_strings[] =
{
- "JTAG controller reset (RESET or TRST)"
+ [JTAG_TRST_ASSERTED] = "JTAG controller reset (RESET or TRST)",
+ [JTAG_TAP_EVENT_ENABLE] = "TAP enabled",
+ [JTAG_TAP_EVENT_DISABLE] = "TAP disabled",
};
static int jtag_trst = 0;
{
jtag_tap_t *t = jtag_all_taps();
unsigned n = 0;
- while(t)
+ while (t)
{
if (t->enabled)
n++;
t->abs_chain_position = jtag_num_taps++;
jtag_tap_t **tap = &__jtag_all_taps;
- while(*tap != NULL)
+ while (*tap != NULL)
tap = &(*tap)->next_tap;
*tap = t;
}
return ERROR_OK;
}
-int jtag_unregister_event_callback(jtag_event_handler_t callback)
+int jtag_unregister_event_callback(jtag_event_handler_t callback, void *priv)
{
- jtag_event_callback_t **callbacks_p = &jtag_event_callbacks;
+ jtag_event_callback_t **callbacks_p;
+ jtag_event_callback_t **next;
if (callback == NULL)
{
return ERROR_INVALID_ARGUMENTS;
}
- while (*callbacks_p)
+ for (callbacks_p = &jtag_event_callbacks;
+ *callbacks_p != NULL;
+ callbacks_p = next)
{
- jtag_event_callback_t **next = &((*callbacks_p)->next);
+ next = &((*callbacks_p)->next);
+
+ if ((*callbacks_p)->priv != priv)
+ continue;
+
if ((*callbacks_p)->callback == callback)
{
free(*callbacks_p);
*callbacks_p = *next;
}
- callbacks_p = next;
}
return ERROR_OK;
while (callback)
{
+ jtag_event_callback_t *next;
+
+ /* callback may remove itself */
+ next = callback->next;
callback->callback(event, callback->priv);
- callback = callback->next;
+ callback = next;
}
return ERROR_OK;
jtag_set_error(retval);
}
-void jtag_add_callback(jtag_callback1_t f, u8 *in)
+void jtag_add_callback(jtag_callback1_t f, jtag_callback_data_t data0)
{
- interface_jtag_add_callback(f, in);
+ interface_jtag_add_callback(f, data0);
}
-void jtag_add_callback4(jtag_callback_t f, u8 *in,
+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, in, data1, data2, data3);
+ interface_jtag_add_callback4(f, data0, data1, data2, data3);
}
-int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits);
+int jtag_check_value_inner(uint8_t *captured, uint8_t *in_check_value, uint8_t *in_check_mask, int num_bits);
-static int jtag_check_value_mask_callback(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
+static int jtag_check_value_mask_callback(jtag_callback_data_t data0, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
{
- return jtag_check_value_inner(in, (u8 *)data1, (u8 *)data2, (int)data3);
+ return jtag_check_value_inner((uint8_t *)data0, (uint8_t *)data1, (uint8_t *)data2, (int)data3);
}
static void jtag_add_scan_check(void (*jtag_add_scan)(int in_num_fields, const scan_field_t *in_fields, tap_state_t state),
if ((in_fields[i].check_value != NULL) && (in_fields[i].in_value != NULL))
{
/* this is synchronous for a minidriver */
- jtag_add_callback4(jtag_check_value_mask_callback, in_fields[i].in_value,
+ jtag_add_callback4(jtag_check_value_mask_callback, (jtag_callback_data_t)in_fields[i].in_value,
(jtag_callback_data_t)in_fields[i].check_value,
(jtag_callback_data_t)in_fields[i].check_mask,
(jtag_callback_data_t)in_fields[i].num_bits);
}
void jtag_add_dr_out(jtag_tap_t* tap,
- int num_fields, const int* num_bits, const u32* value,
+ int num_fields, const int* num_bits, const uint32_t* value,
tap_state_t end_state)
{
assert(end_state != TAP_INVALID);
if (goal_state==cur_state )
; /* nothing to do */
- else if( goal_state==TAP_RESET )
+ else if ( goal_state==TAP_RESET )
{
jtag_add_tlr();
}
- else if( tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state) )
+ else if ( tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state) )
{
unsigned tms_bits = tap_get_tms_path(cur_state, goal_state);
unsigned tms_count = tap_get_tms_path_len(cur_state, goal_state);
jtag_add_pathmove(tms_count, moves);
}
- else if( tap_state_transition(cur_state, true) == goal_state
+ else if ( tap_state_transition(cur_state, true) == goal_state
|| tap_state_transition(cur_state, false) == goal_state )
{
jtag_add_pathmove(1, &goal_state);
return cmd_queue_end_state;
}
-void jtag_add_sleep(u32 us)
+void jtag_add_sleep(uint32_t us)
{
/// @todo Here, keep_alive() appears to be a layering violation!!!
keep_alive();
jtag_set_error(interface_jtag_add_sleep(us));
}
-int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits)
+int jtag_check_value_inner(uint8_t *captured, uint8_t *in_check_value, uint8_t *in_check_mask, int num_bits)
{
int retval = ERROR_OK;
return retval;
}
-void jtag_check_value_mask(scan_field_t *field, u8 *value, u8 *mask)
+void jtag_check_value_mask(scan_field_t *field, uint8_t *value, uint8_t *mask)
{
assert(field->in_value != NULL);
if (event == JTAG_TRST_ASSERTED)
{
+ tap->enabled = !tap->disabled_after_reset;
+
buf_set_ones(tap->cur_instr, tap->ir_length);
tap->bypass = 1;
}
return ERROR_OK;
}
-void jtag_sleep(u32 us)
+void jtag_sleep(uint32_t us)
{
alive_sleep(us/1000);
}
#define EXTRACT_PART(X) (((X) & 0xffff000) >> 12)
#define EXTRACT_VER(X) (((X) & 0xf0000000) >> 28)
-static int jtag_examine_chain_execute(u8 *idcode_buffer, unsigned num_idcode)
+static int jtag_examine_chain_execute(uint8_t *idcode_buffer, unsigned num_idcode)
{
scan_field_t field = {
.tap = NULL,
return jtag_execute_queue();
}
-static bool jtag_examine_chain_check(u8 *idcodes, unsigned count)
+static bool jtag_examine_chain_check(uint8_t *idcodes, unsigned count)
{
- u8 zero_check = 0x0;
- u8 one_check = 0xff;
+ uint8_t zero_check = 0x0;
+ uint8_t one_check = 0xff;
for (unsigned i = 0; i < count * 4; i++)
{
}
static void jtag_examine_chain_display(enum log_levels level, const char *msg,
- const char *name, u32 idcode)
+ const char *name, uint32_t idcode)
{
log_printf_lf(level, __FILE__, __LINE__, __FUNCTION__,
- "JTAG tap: %s %16.16s: 0x%08x "
- "(mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
- name, msg, idcode,
- EXTRACT_MFG(idcode), EXTRACT_PART(idcode), EXTRACT_VER(idcode) );
+ "JTAG tap: %s %16.16s: 0x%08x "
+ "(mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+ name, msg,
+ (unsigned int)idcode,
+ (unsigned int)EXTRACT_MFG(idcode),
+ (unsigned int)EXTRACT_PART(idcode),
+ (unsigned int)EXTRACT_VER(idcode) );
}
-static bool jtag_idcode_is_final(u32 idcode)
+static bool jtag_idcode_is_final(uint32_t idcode)
{
return idcode == 0x000000FF || idcode == 0xFFFFFFFF;
}
* read back correctly. This can help identify and diagnose problems
* with the JTAG chain earlier, gives more helpful/explicit error messages.
*/
-static void jtag_examine_chain_end(u8 *idcodes, unsigned count, unsigned max)
+static void jtag_examine_chain_end(uint8_t *idcodes, unsigned count, unsigned max)
{
bool triggered = false;
for ( ; count < max - 31; count += 32)
{
- u32 idcode = buf_get_u32(idcodes, count, 32);
+ uint32_t idcode = buf_get_u32(idcodes, count, 32);
// do not trigger the warning if the data looks good
if (!triggered && jtag_idcode_is_final(idcode))
continue;
LOG_WARNING("Unexpected idcode after end of chain: %d 0x%08x",
- count, idcode);
+ count, (unsigned int)idcode);
triggered = true;
}
}
}
/* Loop over the expected identification codes and test for a match */
- u8 ii;
+ uint8_t ii;
for (ii = 0; ii < tap->expected_ids_cnt; ii++)
{
if (tap->idcode == tap->expected_ids[ii])
*/
int jtag_examine_chain(void)
{
- u8 idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
+ uint8_t idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
unsigned device_count = 0;
jtag_examine_chain_execute(idcode_buffer, JTAG_MAX_CHAIN_SIZE);
for (unsigned bit_count = 0; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;)
{
- u32 idcode = buf_get_u32(idcode_buffer, bit_count, 32);
+ uint32_t idcode = buf_get_u32(idcode_buffer, bit_count, 32);
if ((idcode & 1) == 0)
{
/* LSB must not be 0, this indicates a device in bypass */
{
jtag_tap_t *tap;
int total_ir_length = 0;
- u8 *ir_test = NULL;
+ uint8_t *ir_test = NULL;
scan_field_t field;
int chain_pos = 0;
total_ir_length = 0;
for(;;){
tap = jtag_tap_next_enabled(tap);
- if( tap == NULL ){
+ if ( tap == NULL ){
break;
}
total_ir_length += tap->ir_length;
int val;
for(;;){
tap = jtag_tap_next_enabled(tap);
- if( tap == NULL ){
+ if ( tap == NULL ){
break;
}
tap->expected_mask = malloc(tap->ir_length);
tap->cur_instr = malloc(tap->ir_length);
+ /// @todo cope sanely with ir_length bigger than 32 bits
buf_set_u32(tap->expected, 0, tap->ir_length, tap->ir_capture_value);
buf_set_u32(tap->expected_mask, 0, tap->ir_length, tap->ir_capture_mask);
buf_set_ones(tap->cur_instr, tap->ir_length);
LOG_DEBUG("Created Tap: %s @ abs position %d, "
"irlen %d, capture: 0x%x mask: 0x%x", tap->dotted_name,
tap->abs_chain_position, tap->ir_length,
- tap->ir_capture_value, tap->ir_capture_mask);
+ (unsigned int)(tap->ir_capture_value), (unsigned int)(tap->ir_capture_mask));
jtag_tap_add(tap);
}
void jtag_tap_free(jtag_tap_t *tap)
{
+ jtag_unregister_event_callback(&jtag_reset_callback, tap);
+
/// @todo is anything missing? no memory leaks please
free((void *)tap->expected_ids);
free((void *)tap->chip);
LOG_ERROR("JTAG interface has to be specified, see \"interface\" command");
return ERROR_JTAG_INVALID_INTERFACE;
}
- if(hasKHz)
+ if (hasKHz)
{
jtag_interface->khz(jtag_get_speed_khz(), &jtag_speed);
hasKHz = false;
LOG_DEBUG("Init JTAG chain");
tap = jtag_tap_next_enabled(NULL);
- if( tap == NULL ){
+ if ( tap == NULL ){
LOG_ERROR("There are no enabled taps?");
return ERROR_JTAG_INIT_FAILED;
}
projects / fw / openocd / blobdiff