90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
// Copyright 2018-2022 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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#ifndef _dsp_common_H_
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#define _dsp_common_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "dsp_err.h"
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#include "esp_idf_version.h"
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#if defined(__XTENSA__) || defined(__riscv)
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 4, 0)
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#include "esp_cpu.h"
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#else
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#include "soc/cpu.h"
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#endif
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @brief check power of two
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* The function check if the argument is power of 2.
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* The implementation use ANSI C and could be compiled and run on any platform
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*
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* @return
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* - true if x is power of two
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* - false if no
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*/
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bool dsp_is_power_of_two(int x);
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/**
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* @brief Power of two
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* The function return power of 2 for values 2^N.
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* The implementation use ANSI C and could be compiled and run on any platform
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*
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* @return
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* - power of two
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*/
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int dsp_power_of_two(int x);
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/**
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* @brief Logginng for esp32s3 TIE core
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* Registers covered q0 to q7, ACCX and SAR_BYTE
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*
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* @param n_regs: number of registers to be logged at once
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* @param ...: register codes 0, 1, 2, 3, 4, 5, 6, 7, 'a', 's'
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*
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* @return ESP_OK
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*
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*/
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esp_err_t tie_log(int n_regs, ...);
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#ifdef __cplusplus
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}
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#endif
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// esp_cpu_get_ccount function is implemented in IDF 4.1 and later
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#if defined(__XTENSA__) || defined(__riscv)
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
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#define dsp_get_cpu_cycle_count esp_cpu_get_cycle_count
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#else
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 1, 0)
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#define dsp_get_cpu_cycle_count esp_cpu_get_ccount
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#else
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#define dsp_get_cpu_cycle_count xthal_get_ccount
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#endif
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#endif // ESP_IDF_VERSION
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#else
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// Linux Target
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#include <x86intrin.h>
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#define dsp_get_cpu_cycle_count __rdtsc
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#endif
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#endif // _dsp_common_H_
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