DBT-RISE-TGC/src/iss/plugin/cycle_estimate.h

98 lines
3.4 KiB
C
Raw Normal View History

/*******************************************************************************
* Copyright (C) 2017 - 2023, MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Contributors:
* eyck@minres.com - initial API and implementation
******************************************************************************/
#ifndef _ISS_PLUGIN_CYCLE_ESTIMATE_H_
#define _ISS_PLUGIN_CYCLE_ESTIMATE_H_
#include "iss/instrumentation_if.h"
2018-11-08 13:31:28 +01:00
#include "iss/vm_plugin.h"
2023-10-29 17:06:56 +01:00
#include <functional>
#include <string>
#include <unordered_map>
2022-02-01 19:28:11 +01:00
#include <vector>
namespace iss {
namespace plugin {
2023-10-29 17:06:56 +01:00
class cycle_estimate : public vm_plugin {
2023-10-25 17:13:52 +02:00
struct instr_desc {
size_t size{0};
bool is_branch{false};
unsigned not_taken{1};
unsigned taken{1};
2023-10-25 17:13:52 +02:00
std::function<unsigned(uint64_t)> f;
};
public:
2018-11-08 13:31:28 +01:00
cycle_estimate() = delete;
2023-10-29 17:06:56 +01:00
cycle_estimate(const cycle_estimate&) = delete;
2023-10-29 17:06:56 +01:00
cycle_estimate(const cycle_estimate&&) = delete;
2022-02-01 19:03:45 +01:00
cycle_estimate(std::string const& config_file_name);
2018-11-08 13:31:28 +01:00
virtual ~cycle_estimate();
2023-10-29 17:06:56 +01:00
cycle_estimate& operator=(const cycle_estimate&) = delete;
2023-10-29 17:06:56 +01:00
cycle_estimate& operator=(const cycle_estimate&&) = delete;
2023-10-29 17:06:56 +01:00
bool registration(const char* const version, vm_if& arch) override;
2023-10-25 17:13:52 +02:00
sync_type get_sync() override { return ALL_SYNC; };
2018-11-08 13:31:28 +01:00
void callback(instr_info_t instr_info) override;
private:
2023-10-29 17:06:56 +01:00
iss::instrumentation_if* instr_if{nullptr};
uint32_t* reg_base_ptr{nullptr};
instr_desc illegal_desc{};
std::vector<instr_desc> delays;
2023-10-25 17:13:52 +02:00
unsigned current_delay{0};
struct pair_hash {
2023-10-29 17:06:56 +01:00
size_t operator()(const std::pair<uint64_t, uint64_t>& p) const {
2018-11-08 13:31:28 +01:00
std::hash<uint64_t> hash;
return hash(p.first) + hash(p.second);
}
};
std::unordered_map<std::pair<uint64_t, uint64_t>, uint64_t, pair_hash> blocks;
2022-02-01 19:03:45 +01:00
std::string config_file_name;
};
2023-10-29 17:06:56 +01:00
} // namespace plugin
} // namespace iss
#endif /* _ISS_PLUGIN_CYCLE_ESTIMATE_H_ */