64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
#include <stdio.h>
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#include "soc/dport_reg.h"
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#include "sdkconfig.h"
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#include "esp_err.h"
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#include "eri.h"
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#include "xtensa-debug-module.h"
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#include "trax.h"
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#include "esp_log.h"
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#define TRACEMEM_MUX_PROBLK0_APPBLK1 0
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#define TRACEMEM_MUX_BLK0_ONLY 1
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#define TRACEMEM_MUX_BLK1_ONLY 2
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#define TRACEMEM_MUX_PROBLK1_APPBLK0 3
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static const char* TAG = "log";
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int trax_enable(trax_ena_select_t which) {
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#if !CONFIG_MEMMAP_TRACEMEM
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return ESP_ERR_NO_MEM;
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#endif
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#if !CONFIG_MEMMAP_TRACEMEM_TWOBANKS
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if (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP) return ESP_ERR_NO_MEM;
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#endif
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if (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP) {
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WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, (which == TRAX_ENA_PRO_APP_SWAP)?TRACEMEM_MUX_PROBLK1_APPBLK0:TRACEMEM_MUX_PROBLK0_APPBLK1);
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} else {
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WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, TRACEMEM_MUX_BLK0_ONLY);
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}
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WRITE_PERI_REG(DPORT_PRO_TRACEMEM_ENA_REG, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_PRO));
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WRITE_PERI_REG(DPORT_APP_TRACEMEM_ENA_REG, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_APP));
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return ESP_OK;
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}
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int trax_start_trace(trax_downcount_unit_t units_until_stop) {
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#if !CONFIG_MEMMAP_TRACEMEM
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return ESP_ERR_NO_MEM;
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#endif
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uint32_t v;
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if (eri_read(ERI_TRAX_TRAXSTAT)&TRAXSTAT_TRACT) {
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ESP_LOGI(TAG, "Stopping active trace first.");
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//Trace is active. Stop trace.
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eri_write(ERI_TRAX_DELAYCNT, 0);
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eri_write(ERI_TRAX_TRAXCTRL, eri_read(ERI_TRAX_TRAXCTRL)|TRAXCTRL_TRSTP);
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//ToDo: This will probably trigger a trace done interrupt. ToDo: Fix, but how? -JD
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eri_write(ERI_TRAX_TRAXCTRL, 0);
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}
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eri_write(ERI_TRAX_PCMATCHCTRL, 31); //do not stop at any pc match
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v=TRAXCTRL_TREN | TRAXCTRL_TMEN | TRAXCTRL_PTOWS | (1<<TRAXCTRL_SMPER_SHIFT);
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if (units_until_stop == TRAX_DOWNCOUNT_INSTRUCTIONS) v|=TRAXCTRL_CNTU;
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//Enable trace. This trace has no stop condition and will just keep on running.
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eri_write(ERI_TRAX_TRAXCTRL, v);
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return ESP_OK;
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}
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int trax_trigger_traceend_after_delay(int delay) {
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#if !CONFIG_MEMMAP_TRACEMEM
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return ESP_ERR_NO_MEM;
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#endif
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eri_write(ERI_TRAX_DELAYCNT, delay);
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eri_write(ERI_TRAX_TRAXCTRL, eri_read(ERI_TRAX_TRAXCTRL)|TRAXCTRL_TRSTP);
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return ESP_OK;
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}
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