static int svf_line_number = 1;
static int svf_getline (char **lineptr, size_t *n, FILE *stream);
-#define SVF_MAX_BUFFER_SIZE_TO_COMMIT (4 * 1024)
+#define SVF_MAX_BUFFER_SIZE_TO_COMMIT (1024 * 1024)
static uint8_t *svf_tdi_buffer = NULL, *svf_tdo_buffer = NULL, *svf_mask_buffer = NULL;
static int svf_buffer_index = 0, svf_buffer_size = 0;
static int svf_quiet = 0;
+static int svf_nil = 0;
// Targetting particular tap
static int svf_tap_is_specified = 0;
/* when resetting, be paranoid and ignore current state */
if (state_to == TAP_RESET) {
+ if (svf_nil)
+ return ERROR_OK;
+
jtag_add_tlr();
return ERROR_OK;
}
if ((svf_statemoves[index_var].from == state_from)
&& (svf_statemoves[index_var].to == state_to))
{
+ if (svf_nil)
+ {
+ continue;
+ }
/* recorded path includes current state ... avoid extra TCKs! */
if (svf_statemoves[index_var].num_of_moves > 1)
jtag_add_pathmove(svf_statemoves[index_var].num_of_moves - 1,
// parse command line
svf_quiet = 0;
+ svf_nil = 0;
for (unsigned int i = 0; i < CMD_ARGC; i++)
{
if (strcmp(CMD_ARGV[i], "-tap") == 0)
{
svf_quiet = 1;
}
+ else if ((strcmp(CMD_ARGV[i], "nil") == 0) || (strcmp(CMD_ARGV[i], "-nil") == 0))
+ {
+ svf_nil = 1;
+ }
else if ((strcmp(CMD_ARGV[i], "progress") == 0) || (strcmp(CMD_ARGV[i], "-progress") == 0))
{
svf_progress_enabled = 1;
svf_buffer_index = 0;
// double the buffer size
- // in case current command cannot be commited, and next command is a bit scan command
+ // in case current command cannot be committed, and next command is a bit scan command
// here is 32K bits for this big scan command, it should be enough
// buffer will be reallocated if buffer size is not enough
svf_tdi_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
- // TAP_RESET
- jtag_add_tlr();
+ if (!svf_nil)
+ {
+ // TAP_RESET
+ jtag_add_tlr();
+ }
if (tap)
{
}
command_num++;
}
- if (ERROR_OK != jtag_execute_queue())
+
+ if ((!svf_nil) && (ERROR_OK != jtag_execute_queue()))
{
ret = ERROR_FAIL;
}
unsigned char ch;
int i = 0;
size_t cmd_pos = 0;
- int cmd_ok = 0, slash = 0, comment = 0;
+ int cmd_ok = 0, slash = 0;
if (svf_getline (&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
{
i = -1;
case '\r':
slash = 0;
- comment = 0;
/* Don't save '\r' and '\n' if no data is parsed */
if (!cmd_pos)
break;
static int svf_execute_tap(void)
{
- if (ERROR_OK != jtag_execute_queue())
+ if ((!svf_nil) && (ERROR_OK != jtag_execute_queue()))
{
return ERROR_FAIL;
}
field.num_bits = i;
field.out_value = &svf_tdi_buffer[svf_buffer_index];
field.in_value = &svf_tdi_buffer[svf_buffer_index];
- /* NOTE: doesn't use SVF-specified state paths */
- jtag_add_plain_dr_scan(field.num_bits, field.out_value, field.in_value, svf_para.dr_end_state);
+ if (!svf_nil)
+ {
+ /* NOTE: doesn't use SVF-specified state paths */
+ jtag_add_plain_dr_scan(field.num_bits, field.out_value, field.in_value, svf_para.dr_end_state);
+ }
svf_buffer_index += (i + 7) >> 3;
}
field.num_bits = i;
field.out_value = &svf_tdi_buffer[svf_buffer_index];
field.in_value = &svf_tdi_buffer[svf_buffer_index];
- /* NOTE: doesn't use SVF-specified state paths */
- jtag_add_plain_ir_scan(field.num_bits, field.out_value, field.in_value,
- svf_para.ir_end_state);
+ if (!svf_nil)
+ {
+ /* NOTE: doesn't use SVF-specified state paths */
+ jtag_add_plain_ir_scan(field.num_bits, field.out_value, field.in_value,
+ svf_para.ir_end_state);
+ }
svf_buffer_index += (i + 7) >> 3;
}
}
i += 2;
}
- // calculate run_count
- if ((0 == run_count) && (min_time > 0))
- {
- run_count = min_time * svf_para.frequency;
- }
+
// all parameter should be parsed
if (i == num_of_argu)
{
- if (run_count > 0)
- {
- // run_state and end_state is checked to be stable state
- // TODO: do runtest
#if 1
- /* FIXME handle statemove failures */
- int retval;
+ /* FIXME handle statemove failures */
+ uint32_t min_usec = 1000000 * min_time;
- // enter into run_state if necessary
- if (cmd_queue_cur_state != svf_para.runtest_run_state)
- {
- retval = svf_add_statemove(svf_para.runtest_run_state);
- }
+ // enter into run_state if necessary
+ if (cmd_queue_cur_state != svf_para.runtest_run_state)
+ {
+ svf_add_statemove(svf_para.runtest_run_state);
+ }
- // call jtag_add_clocks
- jtag_add_clocks(run_count);
+ // add clocks and/or min wait
+ if (run_count > 0) {
+ if (!svf_nil)
+ jtag_add_clocks(run_count);
+ }
- // move to end_state if necessary
- if (svf_para.runtest_end_state != svf_para.runtest_run_state)
- {
- retval = svf_add_statemove(svf_para.runtest_end_state);
- }
+ if (min_usec > 0) {
+ if (!svf_nil)
+ jtag_add_sleep(min_usec);
+ }
+
+ // move to end_state if necessary
+ if (svf_para.runtest_end_state != svf_para.runtest_run_state)
+ {
+ svf_add_statemove(svf_para.runtest_end_state);
+ }
#else
- if (svf_para.runtest_run_state != TAP_IDLE)
- {
- LOG_ERROR("cannot runtest in %s state",
- tap_state_name(svf_para.runtest_run_state));
- return ERROR_FAIL;
- }
+ if (svf_para.runtest_run_state != TAP_IDLE)
+ {
+ LOG_ERROR("cannot runtest in %s state",
+ tap_state_name(svf_para.runtest_run_state));
+ return ERROR_FAIL;
+ }
+ if (!svf_nil)
jtag_add_runtest(run_count, svf_para.runtest_end_state);
#endif
- }
}
else
{
/* FIXME last state MUST be stable! */
if (i > 0)
{
- jtag_add_pathmove(i, path);
+ if (!svf_nil)
+ jtag_add_pathmove(i, path);
}
- jtag_add_tlr();
+ if (!svf_nil)
+ jtag_add_tlr();
num_of_argu -= i + 1;
i = -1;
}
if (svf_tap_state_is_stable(path[num_of_argu - 1]))
{
// last state MUST be stable state
- jtag_add_pathmove(num_of_argu, path);
+ if (!svf_nil)
+ jtag_add_pathmove(num_of_argu, path);
LOG_DEBUG("\tmove to %s by path_move",
tap_state_name(path[num_of_argu - 1]));
}
switch (i_tmp)
{
case TRST_ON:
- jtag_add_reset(1, 0);
+ if (!svf_nil)
+ jtag_add_reset(1, 0);
break;
case TRST_Z:
case TRST_OFF:
- jtag_add_reset(0, 0);
+ if (!svf_nil)
+ jtag_add_reset(0, 0);
break;
case TRST_ABSENT:
break;
.handler = handle_svf_command,
.mode = COMMAND_EXEC,
.help = "Runs a SVF file.",
- .usage = "svf [-tap device.tap] <file> [quiet] [progress]",
+ .usage = "svf [-tap device.tap] <file> [quiet] [nil] [progress]",
},
COMMAND_REGISTRATION_DONE
};
projects / fw / openocd / blobdiff