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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <functional>
#include <list>
#include "common/common_types.h"
#include "core/hle/kernel/memory/memory_block.h"
namespace Kernel::Memory {
class MemoryBlockManager final {
public:
using MemoryBlockTree = std::list<MemoryBlock>;
using iterator = MemoryBlockTree::iterator;
using const_iterator = MemoryBlockTree::const_iterator;
public:
MemoryBlockManager(VAddr start_addr, VAddr end_addr);
iterator end() {
return memory_block_tree.end();
}
const_iterator end() const {
return memory_block_tree.end();
}
const_iterator cend() const {
return memory_block_tree.cend();
}
iterator FindIterator(VAddr addr);
VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
std::size_t align, std::size_t offset, std::size_t guard_pages);
void Update(VAddr addr, std::size_t num_pages, MemoryState prev_state,
MemoryPermission prev_perm, MemoryAttribute prev_attribute, MemoryState state,
MemoryPermission perm, MemoryAttribute attribute);
void Update(VAddr addr, std::size_t num_pages, MemoryState state,
MemoryPermission perm = MemoryPermission::None,
MemoryAttribute attribute = MemoryAttribute::None);
using LockFunc = std::function<void(iterator, MemoryPermission)>;
void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func, MemoryPermission perm);
using IterateFunc = std::function<void(const MemoryInfo&)>;
void IterateForRange(VAddr start, VAddr end, IterateFunc&& func);
MemoryBlock& FindBlock(VAddr addr) {
return *FindIterator(addr);
}
private:
void MergeAdjacent(iterator it, iterator& next_it);
[[maybe_unused]] const VAddr start_addr;
[[maybe_unused]] const VAddr end_addr;
MemoryBlockTree memory_block_tree;
};
} // namespace Kernel::Memory
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