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hle: kernel: KPriorityQueue: Various style fixes based on code review feedback.

This commit is contained in:
bunnei 2020-12-04 23:57:18 -08:00
parent 4d3be1816c
commit 8fd921557f
1 changed files with 36 additions and 29 deletions

View File

@ -7,6 +7,8 @@
#pragma once
#include <array>
#include "common/assert.h"
#include "common/bit_set.h"
#include "common/bit_util.h"
@ -17,7 +19,7 @@ namespace Kernel {
class Thread;
template <typename T>
concept KPriorityQueueAffinityMask = !std::is_reference<T>::value && requires(T & t) {
concept KPriorityQueueAffinityMask = !std::is_reference_v<T> && requires(T & t) {
{ t.GetAffinityMask() }
->std::convertible_to<u64>;
{t.SetAffinityMask(std::declval<u64>())};
@ -29,7 +31,7 @@ concept KPriorityQueueAffinityMask = !std::is_reference<T>::value && requires(T
};
template <typename T>
concept KPriorityQueueMember = !std::is_reference<T>::value && requires(T & t) {
concept KPriorityQueueMember = !std::is_reference_v<T> && requires(T & t) {
{typename T::QueueEntry()};
{(typename T::QueueEntry()).Initialize()};
{(typename T::QueueEntry()).SetPrev(std::addressof(t))};
@ -54,8 +56,8 @@ concept KPriorityQueueMember = !std::is_reference<T>::value && requires(T & t) {
template <typename Member, size_t _NumCores, int LowestPriority, int HighestPriority>
requires KPriorityQueueMember<Member> class KPriorityQueue {
public:
using AffinityMaskType = typename std::remove_cv<typename std::remove_reference<decltype(
std::declval<Member>().GetAffinityMask())>::type>::type;
using AffinityMaskType = typename std::remove_cv_t<
typename std::remove_reference<decltype(std::declval<Member>().GetAffinityMask())>::type>;
static_assert(LowestPriority >= 0);
static_assert(HighestPriority >= 0);
@ -77,12 +79,12 @@ private:
public:
class KPerCoreQueue {
private:
Entry root[NumCores];
std::array<Entry, NumCores> root{};
public:
constexpr KPerCoreQueue() : root() {
for (size_t i = 0; i < NumCores; i++) {
this->root[i].Initialize();
constexpr KPerCoreQueue() {
for (auto& per_core_root : root) {
per_core_root.Initialize();
}
}
@ -101,7 +103,7 @@ public:
tail_entry.SetNext(member);
this->root[core].SetPrev(member);
return (tail == nullptr);
return tail == nullptr;
}
constexpr bool PushFront(s32 core, Member* member) {
@ -147,21 +149,19 @@ public:
};
class KPriorityQueueImpl {
private:
KPerCoreQueue queues[NumPriority];
Common::BitSet64<NumPriority> available_priorities[NumCores];
public:
constexpr KPriorityQueueImpl() : queues(), available_priorities() {}
constexpr KPriorityQueueImpl() = default;
constexpr void PushBack(s32 priority, s32 core, Member* member) {
ASSERT(IsValidCore(core));
ASSERT(IsValidPriority(priority));
if (priority <= LowestPriority) {
if (this->queues[priority].PushBack(core, member)) {
this->available_priorities[core].SetBit(priority);
}
if (priority > LowestPriority) {
return;
}
if (this->queues[priority].PushBack(core, member)) {
this->available_priorities[core].SetBit(priority);
}
}
@ -169,10 +169,12 @@ public:
ASSERT(IsValidCore(core));
ASSERT(IsValidPriority(priority));
if (priority <= LowestPriority) {
if (this->queues[priority].PushFront(core, member)) {
this->available_priorities[core].SetBit(priority);
}
if (priority > LowestPriority) {
return;
}
if (this->queues[priority].PushFront(core, member)) {
this->available_priorities[core].SetBit(priority);
}
}
@ -180,10 +182,12 @@ public:
ASSERT(IsValidCore(core));
ASSERT(IsValidPriority(priority));
if (priority <= LowestPriority) {
if (this->queues[priority].Remove(core, member)) {
this->available_priorities[core].ClearBit(priority);
}
if (priority > LowestPriority) {
return;
}
if (this->queues[priority].Remove(core, member)) {
this->available_priorities[core].ClearBit(priority);
}
}
@ -246,6 +250,10 @@ public:
return nullptr;
}
}
private:
std::array<KPerCoreQueue, NumPriority> queues{};
std::array<Common::BitSet64<NumPriority>, NumCores> available_priorities{};
};
private:
@ -254,7 +262,7 @@ private:
private:
constexpr void ClearAffinityBit(u64& affinity, s32 core) {
affinity &= ~(u64(1ul) << core);
affinity &= ~(u64(1) << core);
}
constexpr s32 GetNextCore(u64& affinity) {
@ -313,8 +321,7 @@ private:
}
public:
constexpr KPriorityQueue() : scheduled_queue(), suggested_queue() { // ...
}
constexpr KPriorityQueue() = default;
// Getters.
constexpr Member* GetScheduledFront(s32 core) const {