Files
DRAMSys/DRAMSys/library/src/controller/core/Slots.cpp
2019-06-12 19:28:31 +02:00

88 lines
2.5 KiB
C++

/*
* Copyright (c) 2015, University of Kaiserslautern
* 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.
*
* Authors:
* Robert Gernhardt
* Matthias Jung
*/
#include "Slots.h"
#include "timingCalculations.h"
Slots::Slots(sc_time clk) :
clk(clk)
{
}
Slots::~Slots()
{
}
void Slots::moveCommandToNextFreeSlot(ScheduledCommand &command)
{
while (!isFree(command.getStart()))
command.delayStart(clk);
}
void Slots::cleanUpSlots(sc_time time)
{
slotSet.erase(slotSet.begin(), slotSet.lower_bound(time));
}
void Slots::blockSlot(sc_time time)
{
sc_assert(isClkAligned(time, clk));
slotSet.insert(time);
}
bool Slots::isFree(sc_time time)
{
return (slotSet.count(time) == 0);
}
void Slots::blockSlots(sc_time begin, sc_time end, bool excludeBorders)
{
sc_assert(isClkAligned(begin, clk));
sc_assert(isClkAligned(end, clk));
if (excludeBorders) {
begin += clk;
end -= clk;
}
for (sc_time time = begin; time <= end; time += clk) {
blockSlot(time);
}
}