etm_ctrl_value = (etm_ctrl_value
& ~ETM_PORT_WIDTH_MASK
& ~ETM_PORT_MODE_MASK
+ & ~ETM_CTRL_DBGRQ
& ~ETM_PORT_CLOCK_MASK)
| etm_ctx->control;
buf_set_u32(etm_ctrl_reg->value, 0, 32, etm_ctrl_value);
etm_store_reg(etm_ctrl_reg);
+ etm_ctx->control = etm_ctrl_value;
+
if ((retval = jtag_execute_queue()) != ERROR_OK)
return retval;
arm_jtag_scann(etm_reg->jtag_info, 0x6);
arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL);
- fields[0].tap = etm_reg->jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = reg->value;
fields[0].in_value = NULL;
fields[0].check_value = NULL;
fields[0].check_mask = NULL;
- fields[1].tap = etm_reg->jtag_info->tap;
fields[1].num_bits = 7;
fields[1].out_value = malloc(1);
buf_set_u32(fields[1].out_value, 0, 7, reg_addr);
fields[1].check_value = NULL;
fields[1].check_mask = NULL;
- fields[2].tap = etm_reg->jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = malloc(1);
buf_set_u32(fields[2].out_value, 0, 1, 0);
fields[2].check_value = NULL;
fields[2].check_mask = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(etm_reg->jtag_info->tap, 3, fields, jtag_get_end_state());
fields[0].in_value = reg->value;
fields[0].check_value = check_value;
fields[0].check_mask = check_mask;
- jtag_add_dr_scan_check(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan_check(etm_reg->jtag_info->tap, 3, fields, jtag_get_end_state());
free(fields[1].out_value);
free(fields[2].out_value);
arm_jtag_scann(etm_reg->jtag_info, 0x6);
arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL);
- fields[0].tap = etm_reg->jtag_info->tap;
fields[0].num_bits = 32;
uint8_t tmp1[4];
fields[0].out_value = tmp1;
buf_set_u32(fields[0].out_value, 0, 32, value);
fields[0].in_value = NULL;
- fields[1].tap = etm_reg->jtag_info->tap;
fields[1].num_bits = 7;
uint8_t tmp2;
fields[1].out_value = &tmp2;
buf_set_u32(fields[1].out_value, 0, 7, reg_addr);
fields[1].in_value = NULL;
- fields[2].tap = etm_reg->jtag_info->tap;
fields[2].num_bits = 1;
uint8_t tmp3;
fields[2].out_value = &tmp3;
buf_set_u32(fields[2].out_value, 0, 1, 1);
fields[2].in_value = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(etm_reg->jtag_info->tap, 3, fields, jtag_get_end_state());
return ERROR_OK;
}
ctx->data_half = old_data_half;
}
- if (ctx->tracemode & ETMV1_TRACE_ADDR)
+ if (ctx->control & ETM_CTRL_TRACE_ADDR)
{
uint8_t packet;
int shift = 0;
}
}
- if (ctx->tracemode & ETMV1_TRACE_DATA)
+ if (ctx->control & ETM_CTRL_TRACE_DATA)
{
if ((instruction.type == ARM_LDM) || (instruction.type == ARM_STM))
{
/* if the trace was captured with cycle accurate tracing enabled,
* output the number of cycles since the last executed instruction
*/
- if (ctx->tracemode & ETMV1_CYCLE_ACCURATE)
+ if (ctx->control & ETM_CTRL_CYCLE_ACCURATE)
{
snprintf(cycles_text, 32, " (%i %s)",
(int)cycles,
/* what parts of data access are traced? */
if (strcmp(CMD_ARGV[0], "none") == 0)
- tracemode = ETMV1_TRACE_NONE;
+ tracemode = 0;
else if (strcmp(CMD_ARGV[0], "data") == 0)
- tracemode = ETMV1_TRACE_DATA;
+ tracemode = ETM_CTRL_TRACE_DATA;
else if (strcmp(CMD_ARGV[0], "address") == 0)
- tracemode = ETMV1_TRACE_ADDR;
+ tracemode = ETM_CTRL_TRACE_ADDR;
else if (strcmp(CMD_ARGV[0], "all") == 0)
- tracemode = ETMV1_TRACE_DATA | ETMV1_TRACE_ADDR;
+ tracemode = ETM_CTRL_TRACE_DATA | ETM_CTRL_TRACE_ADDR;
else
{
command_print(CMD_CTX, "invalid option '%s'", CMD_ARGV[0]);
switch (context_id)
{
case 0:
- tracemode |= ETMV1_CONTEXTID_NONE;
+ tracemode |= ETM_CTRL_CONTEXTID_NONE;
break;
case 8:
- tracemode |= ETMV1_CONTEXTID_8;
+ tracemode |= ETM_CTRL_CONTEXTID_8;
break;
case 16:
- tracemode |= ETMV1_CONTEXTID_16;
+ tracemode |= ETM_CTRL_CONTEXTID_16;
break;
case 32:
- tracemode |= ETMV1_CONTEXTID_32;
+ tracemode |= ETM_CTRL_CONTEXTID_32;
break;
default:
command_print(CMD_CTX, "invalid option '%s'", CMD_ARGV[1]);
bool etmv1_cycle_accurate;
COMMAND_PARSE_ENABLE(CMD_ARGV[2], etmv1_cycle_accurate);
if (etmv1_cycle_accurate)
- tracemode |= ETMV1_CYCLE_ACCURATE;
+ tracemode |= ETM_CTRL_CYCLE_ACCURATE;
bool etmv1_branch_output;
COMMAND_PARSE_ENABLE(CMD_ARGV[3], etmv1_branch_output);
if (etmv1_branch_output)
- tracemode |= ETMV1_BRANCH_OUTPUT;
+ tracemode |= ETM_CTRL_BRANCH_OUTPUT;
/* IGNORED:
* - CPRT tracing (coprocessor register transfers)
return ERROR_FAIL;
}
- uint32_t tracemode = etm->tracemode;
+ uint32_t tracemode = etm->control;
switch (CMD_ARGC)
{
case 0:
break;
case 4:
- CALL_COMMAND_HANDLER(handle_etm_tracemode_command_update, &tracemode);
+ CALL_COMMAND_HANDLER(handle_etm_tracemode_command_update,
+ &tracemode);
break;
default:
- command_print(CMD_CTX, "usage: configure trace mode "
- "<none | data | address | all> "
- "<context id bits> <cycle accurate> <branch output>");
+ command_print(CMD_CTX, "usage: tracemode "
+ "('none'|'data'|'address'|'all') "
+ "context_id_bits "
+ "('enable'|'disable') "
+ "('enable'|'disable')"
+ );
return ERROR_FAIL;
}
command_print(CMD_CTX, "current tracemode configuration:");
- switch (tracemode & ETMV1_TRACE_MASK)
+ switch (tracemode & ETM_CTRL_TRACE_MASK)
{
- case ETMV1_TRACE_NONE:
+ default:
command_print(CMD_CTX, "data tracing: none");
break;
- case ETMV1_TRACE_DATA:
+ case ETM_CTRL_TRACE_DATA:
command_print(CMD_CTX, "data tracing: data only");
break;
- case ETMV1_TRACE_ADDR:
+ case ETM_CTRL_TRACE_ADDR:
command_print(CMD_CTX, "data tracing: address only");
break;
- case ETMV1_TRACE_DATA | ETMV1_TRACE_ADDR:
+ case ETM_CTRL_TRACE_DATA | ETM_CTRL_TRACE_ADDR:
command_print(CMD_CTX, "data tracing: address and data");
break;
}
- switch (tracemode & ETMV1_CONTEXTID_MASK)
+ switch (tracemode & ETM_CTRL_CONTEXTID_MASK)
{
- case ETMV1_CONTEXTID_NONE:
+ case ETM_CTRL_CONTEXTID_NONE:
command_print(CMD_CTX, "contextid tracing: none");
break;
- case ETMV1_CONTEXTID_8:
+ case ETM_CTRL_CONTEXTID_8:
command_print(CMD_CTX, "contextid tracing: 8 bit");
break;
- case ETMV1_CONTEXTID_16:
+ case ETM_CTRL_CONTEXTID_16:
command_print(CMD_CTX, "contextid tracing: 16 bit");
break;
- case ETMV1_CONTEXTID_32:
+ case ETM_CTRL_CONTEXTID_32:
command_print(CMD_CTX, "contextid tracing: 32 bit");
break;
}
- if (tracemode & ETMV1_CYCLE_ACCURATE)
+ if (tracemode & ETM_CTRL_CYCLE_ACCURATE)
{
command_print(CMD_CTX, "cycle-accurate tracing enabled");
}
command_print(CMD_CTX, "cycle-accurate tracing disabled");
}
- if (tracemode & ETMV1_BRANCH_OUTPUT)
+ if (tracemode & ETM_CTRL_BRANCH_OUTPUT)
{
command_print(CMD_CTX, "full branch address output enabled");
}
command_print(CMD_CTX, "full branch address output disabled");
}
+#define TRACEMODE_MASK ( \
+ ETM_CTRL_CONTEXTID_MASK \
+ | ETM_CTRL_BRANCH_OUTPUT \
+ | ETM_CTRL_CYCLE_ACCURATE \
+ | ETM_CTRL_TRACE_MASK \
+ )
+
/* only update ETM_CTRL register if tracemode changed */
- if (etm->tracemode != tracemode)
+ if ((etm->control & TRACEMODE_MASK) != tracemode)
{
struct reg *etm_ctrl_reg;
if (!etm_ctrl_reg)
return ERROR_FAIL;
- etm_get_reg(etm_ctrl_reg);
+ etm->control &= ~TRACEMODE_MASK;
+ etm->control |= tracemode & TRACEMODE_MASK;
- buf_set_u32(etm_ctrl_reg->value, 2, 2, tracemode & ETMV1_TRACE_MASK);
- buf_set_u32(etm_ctrl_reg->value, 14, 2, (tracemode & ETMV1_CONTEXTID_MASK) >> 4);
- buf_set_u32(etm_ctrl_reg->value, 12, 1, (tracemode & ETMV1_CYCLE_ACCURATE) >> 8);
- buf_set_u32(etm_ctrl_reg->value, 8, 1, (tracemode & ETMV1_BRANCH_OUTPUT) >> 9);
+ buf_set_u32(etm_ctrl_reg->value, 0, 32, etm->control);
etm_store_reg(etm_ctrl_reg);
- etm->tracemode = tracemode;
-
/* invalidate old trace data */
etm->capture_status = TRACE_IDLE;
if (etm->trace_depth > 0)
etm->trace_depth = 0;
}
+#undef TRACEMODE_MASK
+
return ERROR_OK;
}
fileio_write_u32(&file, etm_ctx->capture_status);
fileio_write_u32(&file, etm_ctx->control);
- fileio_write_u32(&file, etm_ctx->tracemode);
fileio_write_u32(&file, etm_ctx->trace_depth);
for (i = 0; i < etm_ctx->trace_depth; i++)
uint32_t tmp;
fileio_read_u32(&file, &tmp); etm_ctx->capture_status = tmp;
fileio_read_u32(&file, &tmp); etm_ctx->control = tmp;
- fileio_read_u32(&file, &tmp); etm_ctx->tracemode = tmp;
fileio_read_u32(&file, &etm_ctx->trace_depth);
}
etm_ctx->trace_data = malloc(sizeof(struct etmv1_trace_data) * etm_ctx->trace_depth);
return ERROR_OK;
}
+COMMAND_HANDLER(handle_etm_trigger_debug_command)
+{
+ struct target *target;
+ struct arm *arm;
+ struct etm_context *etm;
+
+ target = get_current_target(CMD_CTX);
+ arm = target_to_arm(target);
+ if (!is_arm(arm))
+ {
+ command_print(CMD_CTX, "ETM: %s isn't an ARM",
+ target_name(target));
+ return ERROR_FAIL;
+ }
+
+ etm = arm->etm;
+ if (!etm)
+ {
+ command_print(CMD_CTX, "ETM: no ETM configured for %s",
+ target_name(target));
+ return ERROR_FAIL;
+ }
+
+ if (CMD_ARGC == 1) {
+ struct reg *etm_ctrl_reg;
+ bool dbgrq;
+
+ etm_ctrl_reg = etm_reg_lookup(etm, ETM_CTRL);
+ if (!etm_ctrl_reg)
+ return ERROR_FAIL;
+
+ COMMAND_PARSE_ENABLE(CMD_ARGV[0], dbgrq);
+ if (dbgrq)
+ etm->control |= ETM_CTRL_DBGRQ;
+ else
+ etm->control &= ~ETM_CTRL_DBGRQ;
+
+ /* etm->control will be written to hardware
+ * the next time an "etm start" is issued.
+ */
+ buf_set_u32(etm_ctrl_reg->value, 0, 32, etm->control);
+ }
+
+ command_print(CMD_CTX, "ETM: %s debug halt",
+ (etm->control & ETM_CTRL_DBGRQ)
+ ? "triggers"
+ : "does not trigger");
+ return ERROR_OK;
+}
+
COMMAND_HANDLER(handle_etm_analyze_command)
{
struct target *target;
static const struct command_registration etm_config_command_handlers[] = {
{
+ /* NOTE: with ADIv5, ETMs are accessed by DAP operations,
+ * possibly over SWD, not JTAG scanchain 6 of 'target'.
+ *
+ * Also, these parameters don't match ETM v3+ modules...
+ */
.name = "config",
- .handler = &handle_etm_config_command,
+ .handler = handle_etm_config_command,
.mode = COMMAND_CONFIG,
- .usage = "<target> <port_width> <port_mode> "
- "<clocking> <capture_driver>",
+ .help = "Set up ETM output port.",
+ .usage = "target port_width port_mode clocking capture_driver",
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration etm_exec_command_handlers[] = {
{
- .name = "tracemode", handle_etm_tracemode_command,
+ .name = "tracemode",
+ .handler = handle_etm_tracemode_command,
.mode = COMMAND_EXEC,
.help = "configure/display trace mode",
- .usage = "<none | data | address | all> "
- "<context_id_bits> <cycle_accurate> <branch_output>",
+ .usage = "('none'|'data'|'address'|'all') "
+ "context_id_bits "
+ "['enable'|'disable'] "
+ "['enable'|'disable']",
},
{
.name = "info",
- .handler = &handle_etm_info_command,
+ .handler = handle_etm_info_command,
.mode = COMMAND_EXEC,
.help = "display info about the current target's ETM",
},
{
.name = "status",
- .handler = &handle_etm_status_command,
+ .handler = handle_etm_status_command,
.mode = COMMAND_EXEC,
.help = "display current target's ETM status",
},
{
.name = "start",
- .handler = &handle_etm_start_command,
+ .handler = handle_etm_start_command,
.mode = COMMAND_EXEC,
.help = "start ETM trace collection",
},
{
.name = "stop",
- .handler = &handle_etm_stop_command,
+ .handler = handle_etm_stop_command,
.mode = COMMAND_EXEC,
.help = "stop ETM trace collection",
},
+ {
+ .name = "trigger_debug",
+ .handler = handle_etm_trigger_debug_command,
+ .mode = COMMAND_EXEC,
+ .help = "enable/disable debug entry on trigger",
+ .usage = "['enable'|'disable']",
+ },
{
.name = "analyze",
- .handler = &handle_etm_analyze_command,
+ .handler = handle_etm_analyze_command,
.mode = COMMAND_EXEC,
- .help = "anaylze collected ETM trace",
+ .help = "analyze collected ETM trace",
},
{
.name = "image",
- .handler = &handle_etm_image_command,
+ .handler = handle_etm_image_command,
.mode = COMMAND_EXEC,
- .help = "load image from <file> [base address]",
+ .help = "load image from file with optional offset",
+ .usage = "filename [offset]",
},
{
.name = "dump",
- .handler = &handle_etm_dump_command,
+ .handler = handle_etm_dump_command,
.mode = COMMAND_EXEC,
- .help = "dump captured trace data <file>",
+ .help = "dump captured trace data to file",
+ .usage = "filename",
},
{
.name = "load",
- .handler = &handle_etm_load_command,
+ .handler = handle_etm_load_command,
.mode = COMMAND_EXEC,
.help = "load trace data for analysis <file>",
},