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author | Tony Gutierrez <anthony.gutierrez@amd.com> | 2016-01-19 14:28:22 -0500 |
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committer | Tony Gutierrez <anthony.gutierrez@amd.com> | 2016-01-19 14:28:22 -0500 |
commit | 1a7d3f9fcb76a68540dd948f91413533a383bfde (patch) | |
tree | 867510a147cd095f19499d26b7c02d27de4cae9d /src/gpu-compute/pool_manager.hh | |
parent | 28e353e0403ea379d244a418e8dc8ee0b48187cf (diff) | |
download | gem5-1a7d3f9fcb76a68540dd948f91413533a383bfde.tar.xz |
gpu-compute: AMD's baseline GPU model
Diffstat (limited to 'src/gpu-compute/pool_manager.hh')
-rw-r--r-- | src/gpu-compute/pool_manager.hh | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/gpu-compute/pool_manager.hh b/src/gpu-compute/pool_manager.hh new file mode 100644 index 000000000..2cb53ce72 --- /dev/null +++ b/src/gpu-compute/pool_manager.hh @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2015 Advanced Micro Devices, Inc. + * All rights reserved. + * + * For use for simulation and test purposes only + * + * 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. + * + * Author: John Kalamatianos + */ + +#ifndef __POOL_MANAGER_HH__ +#define __POOL_MANAGER_HH__ + +#include <cassert> +#include <cstdint> +#include <string> + +// Pool Manager Logic +class PoolManager +{ + public: + PoolManager(uint32_t minAlloc, uint32_t poolSize); + uint32_t minAllocation() { return _minAllocation; } + virtual std::string printRegion() = 0; + virtual uint32_t regionSize(std::pair<uint32_t,uint32_t> ®ion) = 0; + virtual bool canAllocate(uint32_t numRegions, uint32_t size) = 0; + + virtual uint32_t allocateRegion(const uint32_t size, + uint32_t *reserved) = 0; + + virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx) = 0; + uint32_t poolSize() { return _poolSize; } + + private: + // minimum size that can be reserved per allocation + uint32_t _minAllocation; + // pool size in number of elements + uint32_t _poolSize; +}; + +#endif // __POOL_MANAGER_HH__ |