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// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <limits>
#include <utility>
#include <boost/icl/interval.hpp>
#include <boost/icl/interval_base_set.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/icl/interval_set.hpp>
#include <boost/icl/split_interval_map.hpp>
#include <boost/pool/pool.hpp>
#include <boost/pool/pool_alloc.hpp>
#include <boost/pool/poolfwd.hpp>
#include "common/range_sets.h"
namespace Common {
template <typename AddressType>
struct RangeSet<AddressType>::RangeSetImpl {
template <class T>
using MyAllocator = boost::fast_pool_allocator<T, boost::default_user_allocator_new_delete,
boost::details::pool::default_mutex, 1024, 2048>;
using IntervalSet = boost::icl::interval_set<
AddressType, std::less, ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, AddressType, std::less),
MyAllocator>;
using IntervalType = typename IntervalSet::interval_type;
RangeSetImpl() = default;
~RangeSetImpl() = default;
void Add(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_ranges_set.add(interval);
}
void Subtract(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_ranges_set.subtract(interval);
}
template <typename Func>
void ForEach(Func&& func) const {
if (m_ranges_set.empty()) {
return;
}
auto it = m_ranges_set.begin();
auto end_it = m_ranges_set.end();
for (; it != end_it; it++) {
const AddressType inter_addr_end = it->upper();
const AddressType inter_addr = it->lower();
func(inter_addr, inter_addr_end);
}
}
template <typename Func>
void ForEachInRange(AddressType base_addr, size_t size, Func&& func) const {
if (m_ranges_set.empty()) {
return;
}
const AddressType start_address = base_addr;
const AddressType end_address = start_address + size;
const RangeSetImpl::IntervalType search_interval{start_address, end_address};
auto it = m_ranges_set.lower_bound(search_interval);
if (it == m_ranges_set.end()) {
return;
}
auto end_it = m_ranges_set.upper_bound(search_interval);
for (; it != end_it; it++) {
AddressType inter_addr_end = it->upper();
AddressType inter_addr = it->lower();
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end);
}
}
IntervalSet m_ranges_set;
};
template <typename AddressType>
struct SplitRangeSet<AddressType>::SplitRangeSetImpl {
template <class T>
using MyAllocator = boost::fast_pool_allocator<T, boost::default_user_allocator_new_delete,
boost::details::pool::default_mutex, 1024, 2048>;
using IntervalSet = boost::icl::split_interval_map<
AddressType, s32, boost::icl::partial_enricher, std::less, boost::icl::inplace_plus,
boost::icl::inter_section,
ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, AddressType, std::less), MyAllocator>;
using IntervalType = typename IntervalSet::interval_type;
SplitRangeSetImpl() = default;
~SplitRangeSetImpl() = default;
void Add(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_split_ranges_set += std::make_pair(interval, 1);
}
template <bool has_on_delete, typename Func>
void Subtract(AddressType base_address, size_t size, s32 amount,
[[maybe_unused]] Func&& on_delete) {
if (m_split_ranges_set.empty()) {
return;
}
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
bool any_removals = false;
m_split_ranges_set += std::make_pair(interval, -amount);
do {
any_removals = false;
auto it = m_split_ranges_set.lower_bound(interval);
if (it == m_split_ranges_set.end()) {
return;
}
auto end_it = m_split_ranges_set.upper_bound(interval);
for (; it != end_it; it++) {
if (it->second <= 0) {
if constexpr (has_on_delete) {
if (it->second == 0) {
on_delete(it->first.lower(), it->first.upper());
}
}
any_removals = true;
m_split_ranges_set.erase(it);
break;
}
}
} while (any_removals);
}
template <typename Func>
void ForEach(Func&& func) const {
if (m_split_ranges_set.empty()) {
return;
}
auto it = m_split_ranges_set.begin();
auto end_it = m_split_ranges_set.end();
for (; it != end_it; it++) {
const AddressType inter_addr_end = it->first.upper();
const AddressType inter_addr = it->first.lower();
func(inter_addr, inter_addr_end, it->second);
}
}
template <typename Func>
void ForEachInRange(AddressType base_address, size_t size, Func&& func) const {
if (m_split_ranges_set.empty()) {
return;
}
const AddressType start_address = base_address;
const AddressType end_address = start_address + size;
const SplitRangeSetImpl::IntervalType search_interval{start_address, end_address};
auto it = m_split_ranges_set.lower_bound(search_interval);
if (it == m_split_ranges_set.end()) {
return;
}
auto end_it = m_split_ranges_set.upper_bound(search_interval);
for (; it != end_it; it++) {
auto& inter = it->first;
AddressType inter_addr_end = inter.upper();
AddressType inter_addr = inter.lower();
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end, it->second);
}
}
IntervalSet m_split_ranges_set;
};
template <typename AddressType>
RangeSet<AddressType>::RangeSet() {
m_impl = std::make_unique<RangeSet<AddressType>::RangeSetImpl>();
}
template <typename AddressType>
RangeSet<AddressType>::~RangeSet() = default;
template <typename AddressType>
RangeSet<AddressType>::RangeSet(RangeSet&& other) {
m_impl = std::make_unique<RangeSet<AddressType>::RangeSetImpl>();
m_impl->m_ranges_set = std::move(other.m_impl->m_ranges_set);
}
template <typename AddressType>
RangeSet<AddressType>& RangeSet<AddressType>::operator=(RangeSet&& other) {
m_impl->m_ranges_set = std::move(other.m_impl->m_ranges_set);
}
template <typename AddressType>
void RangeSet<AddressType>::Add(AddressType base_address, size_t size) {
m_impl->Add(base_address, size);
}
template <typename AddressType>
void RangeSet<AddressType>::Subtract(AddressType base_address, size_t size) {
m_impl->Subtract(base_address, size);
}
template <typename AddressType>
void RangeSet<AddressType>::Clear() {
m_impl->m_ranges_set.clear();
}
template <typename AddressType>
bool RangeSet<AddressType>::Empty() const {
return m_impl->m_ranges_set.empty();
}
template <typename AddressType>
template <typename Func>
void RangeSet<AddressType>::ForEach(Func&& func) const {
m_impl->ForEach(std::move(func));
}
template <typename AddressType>
template <typename Func>
void RangeSet<AddressType>::ForEachInRange(AddressType base_address, size_t size, Func&& func) const {
m_impl->ForEachInRange(base_address, size, std::move(func));
}
template <typename AddressType>
SplitRangeSet<AddressType>::SplitRangeSet() {
m_impl = std::make_unique<SplitRangeSet<AddressType>::SplitRangeSetImpl>();
}
template <typename AddressType>
SplitRangeSet<AddressType>::~SplitRangeSet() = default;
template <typename AddressType>
SplitRangeSet<AddressType>::SplitRangeSet(SplitRangeSet&& other) {
m_impl = std::make_unique<SplitRangeSet<AddressType>::SplitRangeSetImpl>();
m_impl->m_split_ranges_set = std::move(other.m_impl->m_split_ranges_set);
}
template <typename AddressType>
SplitRangeSet<AddressType>& SplitRangeSet<AddressType>::operator=(SplitRangeSet&& other) {
m_impl->m_split_ranges_set = std::move(other.m_impl->m_split_ranges_set);
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Add(AddressType base_address, size_t size) {
m_impl->Add(base_address, size);
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Subtract(AddressType base_address, size_t size) {
m_impl->template Subtract<false>(base_address, size, 1, [](AddressType, AddressType) {});
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::Subtract(AddressType base_address, size_t size, Func&& on_delete) {
m_impl->template Subtract<true, Func>(base_address, size, 1, std::move(on_delete));
}
template <typename AddressType>
void SplitRangeSet<AddressType>::DeleteAll(AddressType base_address, size_t size) {
m_impl->template Subtract<false>(base_address, size, std::numeric_limits<s32>::max(),
[](AddressType, AddressType) {});
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Clear() {
m_impl->m_split_ranges_set.clear();
}
template <typename AddressType>
bool SplitRangeSet<AddressType>::Empty() const {
return m_impl->m_split_ranges_set.empty();
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::ForEach(Func&& func) const {
m_impl->ForEach(func);
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::ForEachInRange(AddressType base_address, size_t size,
Func&& func) const {
m_impl->ForEachInRange(base_address, size, std::move(func));
}
} // namespace Common
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