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/*
* Copyright (c) 2021 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COMMAND_STREAM_HPP
#define COMMAND_STREAM_HPP
/****************************************************************************
* Includes
****************************************************************************/
#include <array>
#include <stddef.h>
#include <ethosu_driver.h>
#include <pmu_ethosu.h>
/****************************************************************************
* Types
****************************************************************************/
namespace EthosU {
namespace CommandStream {
/****************************************************************************
* DataPointer
****************************************************************************/
struct DataPointer {
DataPointer();
DataPointer(const char *_data, size_t _size);
bool operator!=(const DataPointer &other);
const char *data;
size_t size;
};
/****************************************************************************
* Pmu
****************************************************************************/
using PmuEvents = std::array<ethosu_pmu_event_type, ETHOSU_PMU_NCOUNTERS>;
class Pmu {
public:
Pmu(ethosu_driver *_drv, const PmuEvents &_config = {});
void clear();
void print();
uint64_t getCycleCount() const;
uint32_t getEventCount(size_t index) const;
private:
ethosu_driver *drv;
PmuEvents config;
};
/****************************************************************************
* CommandStream
****************************************************************************/
using BasePointers = std::array<DataPointer, ETHOSU_DRIVER_BASEP_INDEXES>;
class CommandStream {
public:
CommandStream(const DataPointer &_commandStream,
const BasePointers &_pointers = {},
const PmuEvents &_pmuEvents = {});
virtual ~CommandStream();
int run(size_t repeat = 1);
DataPointer &getCommandStream();
BasePointers &getBasePointers();
Pmu &getPmu();
private:
ethosu_driver *drv;
DataPointer commandStream;
BasePointers basePointers;
Pmu pmu;
};
#define DRIVER_ACTION_MAGIC() \
'C', 'O', 'P', '1',
#define DRIVER_ACTION_COMMAND_STREAM(length) \
0x02, (length >> 16) & 0xff, length & 0xff, (length >> 8) & 0xff,
#define DRIVER_ACTION_NOP() \
0x05, 0x00, 0x00, 0x00,
#define NPU_OP_STOP(mask) \
(mask >> 8) && 0xff, mask & 0xff, 0x08, 0x00,
}; // namespace CommandStream
}; // namespace EthosU
#endif /* COMMAND_STREAM_HPP */
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