Files
gem5/src/gpu-compute/simple_pool_manager.hh
Matthew Poremba 9313294efe misc: Remove AMD license addition
Remove the line "For use for simulation and test purposes only" in files
were AMD is the only copyright holder listed in the header. This happens
to be the case for all files where this line exists, removing it
completely from gem5.

Change-Id: I623f266b002f564301b28774f49081099cfc60fd
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53943
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2021-12-11 04:00:56 +00:00

75 lines
2.7 KiB
C++

/*
* Copyright (c) 2015 Advanced Micro Devices, Inc.
* 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.
*/
#ifndef __SIMPLE_POOL_MANAGER_HH__
#define __SIMPLE_POOL_MANAGER_HH__
#include <cassert>
#include <cstdint>
#include "gpu-compute/pool_manager.hh"
#include "params/SimplePoolManager.hh"
namespace gem5
{
// Simple Pool Manager: allows one region per pool. No region merging is
// supported.
class SimplePoolManager : public PoolManager
{
public:
SimplePoolManager(const PoolManagerParams &p)
: PoolManager(p), _regionSize(0), _nxtFreeIdx(0),
_reservedGroups(0)
{
}
uint32_t minAllocatedElements(uint32_t size);
std::string printRegion();
bool canAllocate(uint32_t numRegions, uint32_t size);
uint32_t allocateRegion(const uint32_t size, uint32_t *reservedPoolSize);
void freeRegion(uint32_t firstIdx, uint32_t lastIdx);
uint32_t regionSize(std::pair<uint32_t,uint32_t> &region);
private:
// actual size of a region (normalized to the minimum size that can
// be reserved)
uint32_t _regionSize;
// next index to allocate a region
int _nxtFreeIdx;
// number of groups that reserve a region
uint32_t _reservedGroups;
};
} // namespace gem5
#endif // __SIMPLE_POOL_MANAGER_HH__