2 * Copyright (c) 2017 ARM Limited.
4 * SPDX-License-Identifier: MIT
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:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
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
26 #include "arm_compute/runtime/OffsetMemoryPool.h"
28 #include "arm_compute/core/Error.h"
29 #include "arm_compute/runtime/IAllocator.h"
30 #include "arm_compute/runtime/IMemoryPool.h"
31 #include "arm_compute/runtime/Types.h"
32 #include "support/ToolchainSupport.h"
34 using namespace arm_compute;
36 OffsetMemoryPool::OffsetMemoryPool(IAllocator *allocator, size_t blob_size)
37 : _allocator(allocator), _blob(), _blob_size(blob_size)
39 ARM_COMPUTE_ERROR_ON(!allocator);
40 _blob = _allocator->allocate(_blob_size, 0);
43 OffsetMemoryPool::~OffsetMemoryPool()
45 ARM_COMPUTE_ERROR_ON(!_allocator);
46 _allocator->free(_blob);
50 void OffsetMemoryPool::acquire(MemoryMappings &handles)
52 ARM_COMPUTE_ERROR_ON(_blob == nullptr);
54 // Set memory to handlers
55 for(auto &handle : handles)
57 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
58 *handle.first = reinterpret_cast<uint8_t *>(_blob) + handle.second;
62 void OffsetMemoryPool::release(MemoryMappings &handles)
64 for(auto &handle : handles)
66 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
67 *handle.first = nullptr;
71 MappingType OffsetMemoryPool::mapping_type() const
73 return MappingType::OFFSETS;
76 std::unique_ptr<IMemoryPool> OffsetMemoryPool::duplicate()
78 ARM_COMPUTE_ERROR_ON(!_allocator);
79 return support::cpp14::make_unique<OffsetMemoryPool>(_allocator, _blob_size);