* 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <target/armv7m.h>
#include <target/cortex_m.h>
#include <target/armv7m_trace.h>
+#include <jtag/interface.h>
+
+#define TRACE_BUF_SIZE 4096
+
+static int armv7m_poll_trace(void *target)
+{
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ uint8_t buf[TRACE_BUF_SIZE];
+ size_t size = sizeof(buf);
+ int retval;
+
+ retval = adapter_poll_trace(buf, &size);
+ if (retval != ERROR_OK || !size)
+ return retval;
+
+ target_call_trace_callbacks(target, size, buf);
+
+ if (armv7m->trace_config.trace_file != NULL) {
+ if (fwrite(buf, 1, size, armv7m->trace_config.trace_file) == size)
+ fflush(armv7m->trace_config.trace_file);
+ else {
+ LOG_ERROR("Error writing to the trace destination file");
+ return ERROR_FAIL;
+ }
+ }
+
+ return ERROR_OK;
+}
int armv7m_trace_tpiu_config(struct target *target)
{
struct armv7m_common *armv7m = target_to_armv7m(target);
struct armv7m_trace_config *trace_config = &armv7m->trace_config;
- int prescaler;
+ uint16_t prescaler;
int retval;
- if (!trace_config->trace_freq) {
- LOG_ERROR("Trace port frequency is 0, can't enable TPIU");
- return ERROR_FAIL;
+ target_unregister_timer_callback(armv7m_poll_trace, target);
+
+ retval = adapter_config_trace(trace_config->config_type == TRACE_CONFIG_TYPE_INTERNAL,
+ trace_config->pin_protocol, trace_config->port_size,
+ &trace_config->trace_freq, trace_config->traceclkin_freq, &prescaler);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (trace_config->config_type == TRACE_CONFIG_TYPE_EXTERNAL) {
+ prescaler = trace_config->traceclkin_freq / trace_config->trace_freq;
+
+ if (trace_config->traceclkin_freq % trace_config->trace_freq) {
+ prescaler++;
+
+ int trace_freq = trace_config->traceclkin_freq / prescaler;
+ LOG_INFO("Can not obtain %u trace port frequency from %u "
+ "TRACECLKIN frequency, using %u instead",
+ trace_config->trace_freq, trace_config->traceclkin_freq,
+ trace_freq);
+
+ trace_config->trace_freq = trace_freq;
+ }
}
- if (trace_config->traceclkin_freq % trace_config->trace_freq) {
- LOG_ERROR("Can not calculate an integer divisor to get %u trace port frequency from %u TRACECLKIN frequency",
- trace_config->trace_freq, trace_config->traceclkin_freq);
+ if (!trace_config->trace_freq) {
+ LOG_ERROR("Trace port frequency is 0, can't enable TPIU");
return ERROR_FAIL;
}
- prescaler = trace_config->traceclkin_freq / trace_config->trace_freq;
-
retval = target_write_u32(target, TPIU_CSPSR, 1 << trace_config->port_size);
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
+ if (trace_config->config_type == TRACE_CONFIG_TYPE_INTERNAL)
+ target_register_timer_callback(armv7m_poll_trace, 1,
+ TARGET_TIMER_TYPE_PERIODIC, target);
+
target_call_event_callbacks(target, TARGET_EVENT_TRACE_CONFIG);
return ERROR_OK;
if (CMD_ARGC == cmd_idx + 1) {
close_trace_file(armv7m);
- armv7m->trace_config.config_type = DISABLED;
+ armv7m->trace_config.config_type = TRACE_CONFIG_TYPE_DISABLED;
if (CMD_CTX->mode == COMMAND_EXEC)
return armv7m_trace_tpiu_config(target);
else
!strcmp(CMD_ARGV[cmd_idx], "internal")) {
close_trace_file(armv7m);
- armv7m->trace_config.config_type = EXTERNAL;
+ armv7m->trace_config.config_type = TRACE_CONFIG_TYPE_EXTERNAL;
if (!strcmp(CMD_ARGV[cmd_idx], "internal")) {
cmd_idx++;
if (CMD_ARGC == cmd_idx)
return ERROR_COMMAND_SYNTAX_ERROR;
- armv7m->trace_config.config_type = INTERNAL;
- armv7m->trace_config.trace_file = fopen(CMD_ARGV[cmd_idx], "ab");
- if (!armv7m->trace_config.trace_file) {
- LOG_ERROR("Can't open trace destination file");
- return ERROR_FAIL;
+ armv7m->trace_config.config_type = TRACE_CONFIG_TYPE_INTERNAL;
+
+ if (strcmp(CMD_ARGV[cmd_idx], "-") != 0) {
+ armv7m->trace_config.trace_file = fopen(CMD_ARGV[cmd_idx], "ab");
+ if (!armv7m->trace_config.trace_file) {
+ LOG_ERROR("Can't open trace destination file");
+ return ERROR_FAIL;
+ }
}
}
cmd_idx++;
return ERROR_COMMAND_SYNTAX_ERROR;
if (!strcmp(CMD_ARGV[cmd_idx], "sync")) {
- armv7m->trace_config.pin_protocol = SYNC;
+ armv7m->trace_config.pin_protocol = TPIU_PIN_PROTOCOL_SYNC;
cmd_idx++;
if (CMD_ARGC == cmd_idx)
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[cmd_idx], armv7m->trace_config.port_size);
} else {
if (!strcmp(CMD_ARGV[cmd_idx], "manchester"))
- armv7m->trace_config.pin_protocol = ASYNC_MANCHESTER;
+ armv7m->trace_config.pin_protocol = TPIU_PIN_PROTOCOL_ASYNC_MANCHESTER;
else if (!strcmp(CMD_ARGV[cmd_idx], "uart"))
- armv7m->trace_config.pin_protocol = ASYNC_UART;
+ armv7m->trace_config.pin_protocol = TPIU_PIN_PROTOCOL_ASYNC_UART;
else
return ERROR_COMMAND_SYNTAX_ERROR;
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[cmd_idx], armv7m->trace_config.trace_freq);
cmd_idx++;
} else {
- if (armv7m->trace_config.config_type != INTERNAL) {
+ if (armv7m->trace_config.config_type != TRACE_CONFIG_TYPE_INTERNAL) {
LOG_ERROR("Trace port frequency can't be omitted in external capture mode");
return ERROR_COMMAND_SYNTAX_ERROR;
}
projects / fw / openocd / blobdiff