esp-idf/components/esp_system/port/arch/xtensa/trax.c

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/*
* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
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#include <stdio.h>
#include "esp_err.h"
#include "esp_log.h"
#include "xt_trax.h"
#include "trax.h"
#include "hal/trace_ll.h"
#include "soc/dport_reg.h"
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#include "soc/tracemem_config.h"
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#include "sdkconfig.h"
// Utility functions for enabling TRAX in early startup (hence the use
// of ESP_EARLY_LOGX) in Xtensa targets.
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#if defined(CONFIG_ESP32_TRAX) || defined(CONFIG_ESP32S2_TRAX) || defined(CONFIG_ESP32S3_TRAX)
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#define WITH_TRAX 1
#endif
static const char* __attribute__((unused)) TAG = "trax";
int trax_enable(trax_ena_select_t which)
{
#if !WITH_TRAX
ESP_EARLY_LOGE(TAG, "trax_enable called, but trax is disabled in menuconfig!");
return ESP_ERR_NO_MEM;
#endif
#if CONFIG_IDF_TARGET_ESP32
#ifndef CONFIG_ESP32_TRAX_TWOBANKS
if (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP) return ESP_ERR_NO_MEM;
#endif
if (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP) {
trace_ll_set_mode((which == TRAX_ENA_PRO_APP_SWAP)?TRACEMEM_MUX_PROBLK1_APPBLK0:TRACEMEM_MUX_PROBLK0_APPBLK1);
} else {
trace_ll_set_mode(TRACEMEM_MUX_BLK0_ONLY);
}
trace_ll_mem_enable(0, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_PRO));
trace_ll_mem_enable(1, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_APP));
return ESP_OK;
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#elif CONFIG_IDF_TARGET_ESP32S2
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if (which != TRAX_ENA_PRO) {
return ESP_ERR_INVALID_ARG;
}
trace_ll_set_mem_block(TRACEMEM_MUX_BLK1_NUM);
return ESP_OK;
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#elif CONFIG_IDF_TARGET_ESP32S3
if (which == TRAX_ENA_PRO) {
trace_ll_set_mem_block(0, TRACEMEM_MUX_BLK0_NUM);
}
else if (which == TRAX_ENA_APP) {
trace_ll_set_mem_block(1, TRACEMEM_MUX_BLK0_NUM);
}
#ifdef CONFIG_ESP32S3_TRAX_TWOBANKS
else if (which == TRAX_ENA_PRO_APP) {
trace_ll_set_mem_block(0, TRACEMEM_MUX_BLK0_NUM);
trace_ll_set_mem_block(1, TRACEMEM_MUX_BLK1_NUM);
}
else if (which == TRAX_ENA_PRO_APP_SWAP) {
trace_ll_set_mem_block(1, TRACEMEM_MUX_BLK0_NUM);
trace_ll_set_mem_block(0, TRACEMEM_MUX_BLK1_NUM);
}
#endif
else {
return ESP_ERR_INVALID_ARG;
}
return ESP_OK;
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#endif
}
int trax_start_trace(trax_downcount_unit_t units_until_stop)
{
#if !WITH_TRAX
ESP_EARLY_LOGE(TAG, "trax_start_trace called, but trax is disabled in menuconfig!");
return ESP_ERR_NO_MEM;
#endif
if (xt_trax_trace_is_active()) {
ESP_EARLY_LOGI(TAG, "Stopping active trace first.");
//Trace is active. Stop trace.
xt_trax_trigger_traceend_after_delay(0);
}
if (units_until_stop == TRAX_DOWNCOUNT_INSTRUCTIONS) {
xt_trax_start_trace_instructions();
} else {
xt_trax_start_trace_words();
}
return ESP_OK;
}
int trax_trigger_traceend_after_delay(int delay)
{
#if !WITH_TRAX
ESP_EARLY_LOGE(TAG, "trax_trigger_traceend_after_delay called, but trax is disabled in menuconfig!");
return ESP_ERR_NO_MEM;
#endif
xt_trax_trigger_traceend_after_delay(delay);
return ESP_OK;
}