kopia lustrzana https://github.com/espressif/esp-idf
81 wiersze
2.1 KiB
C
81 wiersze
2.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "xtensa_perfmon_access.h"
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#include "xtensa-debug-module.h"
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#include "eri.h"
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esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel)
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{
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if (id >= ERI_PERFMON_MAX) {
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return ESP_ERR_INVALID_ARG;
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}
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uint32_t pmc =
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((tracelevel & PMCTRL_TRACELEVEL_MASK) << PMCTRL_TRACELEVEL_SHIFT) |
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((select & PMCTRL_SELECT_MASK) << PMCTRL_SELECT_SHIFT) |
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((mask & PMCTRL_MASK_MASK) << PMCTRL_MASK_SHIFT) |
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((kernelcnt & 1) << PMCTRL_KRNLCNT_SHIFT);
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eri_write(ERI_PERFMON_PM0 + id * sizeof(int32_t), 0);
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eri_write(ERI_PERFMON_PMCTRL0 + id * sizeof(int32_t), pmc);
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return ESP_OK;
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}
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void xtensa_perfmon_dump(void)
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{
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uint32_t pgm = eri_read(ERI_PERFMON_PGM);
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uint32_t intpc = eri_read(ERI_PERFMON_INTPC);
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printf("perfmon: PGM=%08x, INTPC=%08x\n", pgm, intpc);
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for (int i = 0 ; i < ERI_PERFMON_MAX ; i++) {
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uint32_t pm = eri_read(ERI_PERFMON_PM0 + i * sizeof(int32_t));
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uint32_t pmctrl = eri_read(ERI_PERFMON_PMCTRL0 + i * sizeof(int32_t));
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uint32_t pmstat = eri_read(ERI_PERFMON_PMSTAT0 + i * sizeof(int32_t));
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printf("perfmon: pm%i=%08x, pmctrl%i=%08x, pmstat%i=%08x\n", i, pm, i, pmctrl, i, pmstat);
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}
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}
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esp_err_t xtensa_perfmon_reset(int id)
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{
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if (id >= ERI_PERFMON_MAX) {
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return ESP_ERR_INVALID_ARG;
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}
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eri_write(ERI_PERFMON_PM0 + id * sizeof(int32_t), 0);
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return ESP_OK;
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}
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void xtensa_perfmon_start(void)
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{
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eri_write(ERI_PERFMON_PGM, PGM_PMEN);
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}
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void xtensa_perfmon_stop(void)
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{
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eri_write(ERI_PERFMON_PGM, 0);
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}
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uint32_t xtensa_perfmon_value(int id)
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{
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if (id >= ERI_PERFMON_MAX) {
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return 0;
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}
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uint32_t result = eri_read(ERI_PERFMON_PM0 + id * sizeof(int32_t));
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return result;
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}
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esp_err_t xtensa_perfmon_overflow(int id)
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{
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if (id >= ERI_PERFMON_MAX) {
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return ESP_ERR_INVALID_ARG;
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}
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uint32_t result = eri_read(ERI_PERFMON_PMSTAT0 + id * sizeof(int32_t));
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if (result & 1) {
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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