#include <stdlib.h>
#include <unistd.h>
-#include <sys/time.h>
-#include <time.h>
-
-
bitq_interface_t *bitq_interface; /* low level bit queue interface */
bitq_state_t bitq_in_state; /* state of input queue */
u8 *bitq_in_buffer; /* buffer dynamically reallocated as needed */
unsigned long bitq_in_bufsize=32; /* min. buffer size */
-
/*
* input queue processing does not use jtag_read_buffer() to avoid unnecessary overhead
* also the buffer for incomming data is reallocated only if necessary
* no parameters, makes use of stored state information
- */
+ */
void bitq_in_proc(void)
{
/* static information preserved between calls to increase performance */
scan_field_t *field;
int tdo;
-
- int result;
/* loop through the queue */
while (bitq_in_state.cmd) {
while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
- if (field->in_check_value || field->in_value || field->in_handler) {
+ if ( field->in_value || field->in_handler) {
if (bitq_in_state.bit_pos==0) {
/* initialize field scanning */
/* double the buffer size until it fits */
while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;
}
- /* if necessary, allocate buffer and check for malloc error */
+ /* if necessary, allocate buffer and check for malloc error */
if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {
- ERROR("malloc error");
- exit(-1);
+ LOG_ERROR("malloc error");
+ exit(-1);
}
in_buff=(void *)bitq_in_buffer;
}
while (bitq_in_state.bit_pos<field->num_bits) {
if ((tdo=bitq_interface->in())<0) {
#ifdef _DEBUG_JTAG_IO_
- DEBUG("bitq in EOF");
+ LOG_DEBUG("bitq in EOF");
#endif
return;
}
else in_mask<<=1;
bitq_in_state.bit_pos++;
}
-
- if (field->in_check_value) {
- /* match scanned in value */
- for (in_idx=0; in_idx*8<field->num_bits; in_idx++) {
- if (field->in_check_mask) in_mask=field->in_check_mask[in_idx];
- else in_mask=0xff;
- if (field->num_bits-in_idx*8<8) in_mask>>=8-(field->num_bits-in_idx*8);
- if (field->in_check_value[in_idx]&in_mask!=in_buff[in_idx]&in_mask) {
- char *captured_char = buf_to_str(in_buff, (field->num_bits > 64) ? 64 : field->num_bits, 16);
- char *in_check_value_char = buf_to_str(field->in_check_value, (field->num_bits > 64) ? 64 : field->num_bits, 16);
- char *in_check_mask_char = buf_to_str(field->in_check_mask, (field->num_bits > 64) ? 64 : field->num_bits, 16);
- /* TODO: error reporting */
- WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
- bitq_in_state.status=ERROR_JTAG_QUEUE_FAILED;
- free(captured_char);
- free(in_check_value_char);
- free(in_check_mask_char);
- break; /* leave the comparison loop upon first mismatch */
- }
- }
- }
+
if (field->in_handler && bitq_in_state.status==ERROR_OK) {
- bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv);
+ bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv, field);
}
}
-
+
bitq_in_state.field_idx++; /* advance to next field */
bitq_in_state.bit_pos=0; /* start next field from the first bit */
}
}
}
-
-
void bitq_io(int tms, int tdi, int tdo_req)
{
bitq_interface->out(tms, tdi, tdo_req);
- /* check and process the input queue */
+ /* check and process the input queue */
if (bitq_interface->in_rdy()) bitq_in_proc();
}
-
void bitq_end_state(enum tap_state state)
{
if (state==-1) return;
if (tap_move_map[state]==-1) {
- ERROR("BUG: %i is not a valid end state", state);
+ LOG_ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
end_state = state;
}
-
void bitq_state_move(enum tap_state new_state)
{
int i=0;
u8 tms_scan;
if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {
- ERROR("TAP move from or to unstable state");
+ LOG_ERROR("TAP move from or to unstable state");
exit(-1);
}
-
+
tms_scan=TAP_MOVE(cur_state, new_state);
for (i=0; i<7; i++) {
cur_state = new_state;
}
-
void bitq_path_move(pathmove_command_t *cmd)
{
int i;
if (tap_transitions[cur_state].low == cmd->path[i]) bitq_io(0, 0, 0);
else if (tap_transitions[cur_state].high == cmd->path[i]) bitq_io(1, 0, 0);
else {
- ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[i]]);
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[i)]);
exit(-1);
}
end_state = cur_state;
}
-
void bitq_runtest(int num_cycles)
{
int i;
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI) bitq_state_move(TAP_RTI);
+ /* only do a state_move when we're not already in IDLE */
+ if (cur_state != TAP_IDLE) bitq_state_move(TAP_IDLE);
/* execute num_cycles */
for (i = 0; i < num_cycles; i++)
if (cur_state != end_state) bitq_state_move(end_state);
}
-
void bitq_scan_field(scan_field_t *field, int pause)
{
int bit_cnt;
u8 *out_ptr;
u8 out_mask;
-
- if (field->in_check_value || field->in_value || field->in_handler) tdo_req=1;
+
+ if ( field->in_value || field->in_handler) tdo_req=1;
else tdo_req=0;
if (field->out_value==NULL) {
if (pause) {
bitq_io(0,0,0);
- if (cur_state==TAP_SI) cur_state=TAP_PI;
- else if (cur_state==TAP_SD) cur_state=TAP_PD;
+ if (cur_state==TAP_IRSHIFT) cur_state=TAP_IRPAUSE;
+ else if (cur_state==TAP_DRSHIFT) cur_state=TAP_DRPAUSE;
}
}
-
void bitq_scan(scan_command_t *cmd)
{
int i;
- if (cmd->ir_scan) bitq_state_move(TAP_SI);
- else bitq_state_move(TAP_SD);
+ if (cmd->ir_scan) bitq_state_move(TAP_IRSHIFT);
+ else bitq_state_move(TAP_DRSHIFT);
for (i=0; i < cmd->num_fields-1; i++)
bitq_scan_field(&cmd->fields[i], 0);
bitq_scan_field(&cmd->fields[i], 1);
}
-
int bitq_execute_queue(void)
{
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
-
+
bitq_in_state.cmd = jtag_command_queue;
bitq_in_state.field_idx = 0;
bitq_in_state.bit_pos = 0;
case JTAG_END_STATE:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
+ LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
#endif
bitq_end_state(cmd->cmd.end_state->end_state);
break;
case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
+ if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
+ {
+ cur_state = TAP_RESET;
+ }
bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
if (bitq_interface->in_rdy()) bitq_in_proc();
break;
case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+ LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
bitq_end_state(cmd->cmd.runtest->end_state);
bitq_runtest(cmd->cmd.runtest->num_cycles);
case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+ LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
bitq_end_state(cmd->cmd.statemove->end_state);
bitq_state_move(end_state); /* uncoditional TAP move */
case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+ LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
#endif
bitq_path_move(cmd->cmd.pathmove);
break;
case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("scan end in %i", cmd->cmd.scan->end_state);
- if (cmd->cmd.scan->ir_scan) DEBUG("scan ir");
- else DEBUG("scan dr");
+ LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+ if (cmd->cmd.scan->ir_scan) LOG_DEBUG("scan ir");
+ else LOG_DEBUG("scan dr");
#endif
bitq_end_state(cmd->cmd.scan->end_state);
bitq_scan(cmd->cmd.scan);
case JTAG_SLEEP:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("sleep %i", cmd->cmd.sleep->us);
+ LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
bitq_interface->sleep(cmd->cmd.sleep->us);
if (bitq_interface->in_rdy()) bitq_in_proc();
break;
default:
- ERROR("BUG: unknown JTAG command type encountered");
+ LOG_ERROR("BUG: unknown JTAG command type encountered");
exit(-1);
}
bitq_in_proc();
if (bitq_in_state.cmd) {
- ERROR("missing data from bitq interface");
+ LOG_ERROR("missing data from bitq interface");
return ERROR_JTAG_QUEUE_FAILED;
}
if (bitq_interface->in()>=0) {
- ERROR("extra data from bitq interface");
+ LOG_ERROR("extra data from bitq interface");
return ERROR_JTAG_QUEUE_FAILED;
}
return bitq_in_state.status;
}
-
void bitq_cleanup(void)
{
if (bitq_in_buffer!=NULL)
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