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https://github.com/espressif/esp-idf.git
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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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