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

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/*******************************************************************************
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* Copyright (C) 2017, 2018, 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"
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#include "iss/vm_plugin.h"
#include <string>
#include <unordered_map>
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#include <vector>
namespace iss {
namespace plugin {
class cycle_estimate: public iss::vm_plugin {
BEGIN_BF_DECL(instr_desc, uint32_t)
BF_FIELD(taken, 24, 8)
BF_FIELD(not_taken, 16, 8)
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BF_FIELD(is_branch, 8, 8)
BF_FIELD(size, 0, 8)
instr_desc(uint32_t size, uint32_t taken, uint32_t not_taken, bool branch): instr_desc() {
this->size=size;
this->taken=taken;
this->not_taken=not_taken;
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this->is_branch=branch;
}
END_BF_DECL();
public:
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cycle_estimate() = delete;
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cycle_estimate(const cycle_estimate &) = delete;
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cycle_estimate(const cycle_estimate &&) = delete;
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cycle_estimate(std::string const& config_file_name);
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virtual ~cycle_estimate();
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cycle_estimate &operator=(const cycle_estimate &) = delete;
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cycle_estimate &operator=(const cycle_estimate &&) = delete;
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bool registration(const char *const version, vm_if &arch) override;
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sync_type get_sync() override { return POST_SYNC; };
void callback(instr_info_t instr_info, exec_info const&) override;
private:
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iss::instrumentation_if *instr_if;
std::vector<instr_desc> delays;
struct pair_hash {
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size_t operator()(const std::pair<uint64_t, uint64_t> &p) const {
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;
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std::string config_file_name;
};
}
}
#endif /* _ISS_PLUGIN_CYCLE_ESTIMATE_H_ */