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dbuf.h
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dbuf.h
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/* Headers for the double buffer class
Copyright (c) 2021 Amano laboratory, Keio University.
Author: Takuya Kojima
This file is part of CubeSim, a cycle accurate simulator for 3-D stacked system.
CubeSim is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
CubeSim is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CubeSim. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef _DOUBLEBUFFER_H_
#define _DOUBLEBUFFER_H_
#include "range.h"
#include "types.h"
#include "fileutils.h"
class DoubleBuffer : public Range {
private:
uint32 mask;
uint32 *front;
uint32 *back;
bool front_connected;
public:
DoubleBuffer(size_t size, uint32 mask = 0xFFFFFFFF, FILE *init_data = NULL);
~DoubleBuffer();
void store_word(uint32 offset, uint32 data, DeviceExc *client);
uint32 fetch_word_from_inner(uint32 offset);
void store_word_from_inner(uint32 offset, uint32 data);
uint16 fetch_half_from_inner(uint32 offset);
void store_half_from_inner(uint32 offset, uint16 data);
uint8 fetch_byte_from_inner(uint32 offset);
void store_byte_from_inner(uint32 offset, uint8 data);
void buf_switch();
};
#endif /* _DOUBLEBUFFER_H_ */