Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2018 ARM Limited. |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include <algorithm> |
| 25 | |
| 26 | #include "arm_compute/runtime/OffsetMemoryPool.h" |
| 27 | |
| 28 | #include "arm_compute/core/Error.h" |
| 29 | #include "arm_compute/runtime/IAllocator.h" |
| 30 | #include "arm_compute/runtime/IMemoryPool.h" |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 31 | #include "arm_compute/runtime/MemoryRegion.h" |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 32 | #include "arm_compute/runtime/Types.h" |
| 33 | #include "support/ToolchainSupport.h" |
| 34 | |
| 35 | using namespace arm_compute; |
| 36 | |
| 37 | OffsetMemoryPool::OffsetMemoryPool(IAllocator *allocator, size_t blob_size) |
| 38 | : _allocator(allocator), _blob(), _blob_size(blob_size) |
| 39 | { |
| 40 | ARM_COMPUTE_ERROR_ON(!allocator); |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 41 | _blob = _allocator->make_region(blob_size, 0); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | void OffsetMemoryPool::acquire(MemoryMappings &handles) |
| 45 | { |
| 46 | ARM_COMPUTE_ERROR_ON(_blob == nullptr); |
| 47 | |
| 48 | // Set memory to handlers |
| 49 | for(auto &handle : handles) |
| 50 | { |
| 51 | ARM_COMPUTE_ERROR_ON(handle.first == nullptr); |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 52 | handle.first->set_owned_region(_blob->extract_subregion(handle.second, _blob_size - handle.second)); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 53 | } |
| 54 | } |
| 55 | |
| 56 | void OffsetMemoryPool::release(MemoryMappings &handles) |
| 57 | { |
| 58 | for(auto &handle : handles) |
| 59 | { |
| 60 | ARM_COMPUTE_ERROR_ON(handle.first == nullptr); |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 61 | handle.first->set_region(nullptr); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 62 | } |
| 63 | } |
| 64 | |
| 65 | MappingType OffsetMemoryPool::mapping_type() const |
| 66 | { |
| 67 | return MappingType::OFFSETS; |
| 68 | } |
| 69 | |
| 70 | std::unique_ptr<IMemoryPool> OffsetMemoryPool::duplicate() |
| 71 | { |
| 72 | ARM_COMPUTE_ERROR_ON(!_allocator); |
| 73 | return support::cpp14::make_unique<OffsetMemoryPool>(_allocator, _blob_size); |
| 74 | } |