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Atmosphere/libraries/libstratosphere/include/stratosphere/lmem/lmem_exp_heap.hpp

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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/>.
*/
#pragma once
#include <vapours.hpp>
#include "lmem_common.hpp"
namespace ams::lmem {
enum AllocationMode {
AllocationMode_FirstFit,
AllocationMode_BestFit,
};
enum AllocationDirection {
AllocationDirection_Front,
AllocationDirection_Back,
};
using HeapVisitor = void (*)(void *block, HeapHandle handle, uintptr_t user_data);
HeapHandle CreateExpHeap(void *address, size_t size, u32 option);
void DestroyExpHeap(HeapHandle handle);
MemoryRange AdjustExpHeap(HeapHandle handle);
void *AllocateFromExpHeap(HeapHandle handle, size_t size);
void *AllocateFromExpHeap(HeapHandle handle, size_t size, s32 alignment);
void FreeToExpHeap(HeapHandle handle, void *block);
size_t ResizeExpHeapMemoryBlock(HeapHandle handle, void *block, size_t size);
size_t GetExpHeapTotalFreeSize(HeapHandle handle);
size_t GetExpHeapAllocatableSize(HeapHandle handle, s32 alignment);
AllocationMode GetExpHeapAllocationMode(HeapHandle handle);
AllocationMode SetExpHeapAllocationMode(HeapHandle handle, AllocationMode new_mode);
bool GetExpHeapUseMarginsOfAlignment(HeapHandle handle);
bool SetExpHeapUseMarginsOfAlignment(HeapHandle handle, bool use_margins);
u16 GetExpHeapGroupId(HeapHandle handle);
u16 SetExpHeapGroupId(HeapHandle handle, u16 group_id);
size_t GetExpHeapMemoryBlockSize(const void *memory_block);
u16 GetExpHeapMemoryBlockGroupId(const void *memory_block);
AllocationDirection GetExpHeapMemoryBlockAllocationDirection(const void *memory_block);
void VisitExpHeapAllocatedBlocks(HeapHandle handle, HeapVisitor visitor, uintptr_t user_data);
}