Atmosphere/libraries/libstratosphere/source/lmem/lmem_unit_heap.cpp

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/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "impl/lmem_impl_unit_heap.hpp"
namespace ams::lmem {
HeapHandle CreateUnitHeap(void *address, size_t size, size_t unit_size, u32 option) {
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HeapHandle handle = impl::CreateUnitHeap(address, size, unit_size, DefaultAlignment, static_cast<u16>(option), InfoPlacement_Head, nullptr);
if (option & CreateOption_ThreadSafe) {
os::InitializeMutex(std::addressof(handle->mutex), false, 0);
}
return handle;
}
HeapHandle CreateUnitHeap(void *address, size_t size, size_t unit_size, u32 option, s32 alignment, InfoPlacement info_placement) {
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HeapHandle handle = impl::CreateUnitHeap(address, size, unit_size, alignment, static_cast<u16>(option), info_placement, nullptr);
if (option & CreateOption_ThreadSafe) {
os::InitializeMutex(std::addressof(handle->mutex), false, 0);
}
return handle;
}
HeapHandle CreateUnitHeap(void *address, size_t size, size_t unit_size, u32 option, s32 alignment, HeapCommonHead *heap_head) {
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HeapHandle handle = impl::CreateUnitHeap(address, size, unit_size, alignment, static_cast<u16>(option), InfoPlacement_Head, heap_head);
if (option & CreateOption_ThreadSafe) {
os::InitializeMutex(std::addressof(handle->mutex), false, 0);
}
return handle;
}
void DestroyUnitHeap(HeapHandle handle) {
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if (handle->option & CreateOption_ThreadSafe) {
os::FinalizeMutex(std::addressof(handle->mutex));
}
impl::DestroyUnitHeap(handle);
}
void InvalidateUnitHeap(HeapHandle handle) {
impl::ScopedHeapLock lk(handle);
impl::InvalidateUnitHeap(handle);
}
void ExtendUnitHeap(HeapHandle handle, size_t size) {
impl::ScopedHeapLock lk(handle);
impl::ExtendUnitHeap(handle, size);
}
void *AllocateFromUnitHeap(HeapHandle handle) {
impl::ScopedHeapLock lk(handle);
return impl::AllocateFromUnitHeap(handle);
}
void FreeToUnitHeap(HeapHandle handle, void *block) {
impl::ScopedHeapLock lk(handle);
impl::FreeToUnitHeap(handle, block);
}
size_t GetUnitHeapUnitSize(HeapHandle handle) {
/* Nintendo doesn't acquire a lock here. */
return impl::GetUnitHeapUnitSize(handle);
}
s32 GetUnitHeapAlignment(HeapHandle handle) {
/* Nintendo doesn't acquire a lock here. */
return impl::GetUnitHeapAlignment(handle);
}
size_t GetUnitHeapFreeCount(HeapHandle handle) {
impl::ScopedHeapLock lk(handle);
return impl::GetUnitHeapFreeCount(handle);
}
size_t GetUnitHeapUsedCount(HeapHandle handle) {
impl::ScopedHeapLock lk(handle);
return impl::GetUnitHeapUsedCount(handle);
}
size_t GetUnitHeapRequiredSize(size_t unit_size, size_t unit_count, s32 alignment, bool internal_metadata) {
return impl::GetUnitHeapRequiredSize(unit_size, unit_count, alignment, internal_metadata);
}
}