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hle: kernel: Port KAffinityMask from Mesosphere.

This commit is contained in:
bunnei 2020-11-16 21:02:45 -08:00
parent f2f346e110
commit e18ee8d681
7 changed files with 80 additions and 16 deletions

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@ -152,6 +152,7 @@ add_library(core STATIC
hle/kernel/handle_table.h
hle/kernel/hle_ipc.cpp
hle/kernel/hle_ipc.h
hle/kernel/k_affinity_mask.h
hle/kernel/kernel.cpp
hle/kernel/kernel.h
hle/kernel/memory/address_space_info.cpp

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@ -0,0 +1,62 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
// This file references various implementation details from Atmosphere, an open-source firmware for
// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
#pragma once
#include "common/assert.h"
#include "common/common_types.h"
#include "core/hardware_properties.h"
namespace Kernel {
class KAffinityMask {
private:
static constexpr u64 AllowedAffinityMask = (1ul << Core::Hardware::NUM_CPU_CORES) - 1;
private:
u64 mask;
private:
static constexpr u64 GetCoreBit(s32 core) {
ASSERT(0 <= core && core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
return (1ull << core);
}
public:
constexpr KAffinityMask() : mask(0) {
ASSERT(this);
}
constexpr u64 GetAffinityMask() const {
return this->mask;
}
constexpr void SetAffinityMask(u64 new_mask) {
ASSERT((new_mask & ~AllowedAffinityMask) == 0);
this->mask = new_mask;
}
constexpr bool GetAffinity(s32 core) const {
return this->mask & GetCoreBit(core);
}
constexpr void SetAffinity(s32 core, bool set) {
ASSERT(0 <= core && core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
if (set) {
this->mask |= GetCoreBit(core);
} else {
this->mask &= ~GetCoreBit(core);
}
}
constexpr void SetAll() {
this->mask = AllowedAffinityMask;
}
};
} // namespace Kernel

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@ -452,7 +452,7 @@ void GlobalScheduler::AdjustSchedulingOnStatus(Thread* thread, u32 old_flags) {
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
if (core != static_cast<u32>(thread->processor_id) &&
((thread->affinity_mask >> core) & 1) != 0) {
thread->affinity_mask.GetAffinity(core)) {
Unsuggest(thread->current_priority, core, thread);
}
}
@ -464,7 +464,7 @@ void GlobalScheduler::AdjustSchedulingOnStatus(Thread* thread, u32 old_flags) {
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
if (core != static_cast<u32>(thread->processor_id) &&
((thread->affinity_mask >> core) & 1) != 0) {
thread->affinity_mask.GetAffinity(core)) {
Suggest(thread->current_priority, core, thread);
}
}
@ -484,7 +484,7 @@ void GlobalScheduler::AdjustSchedulingOnPriority(Thread* thread, u32 old_priorit
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
if (core != static_cast<u32>(thread->processor_id) &&
((thread->affinity_mask >> core) & 1) != 0) {
thread->affinity_mask.GetAffinity(core)) {
Unsuggest(old_priority, core, thread);
}
}
@ -500,7 +500,7 @@ void GlobalScheduler::AdjustSchedulingOnPriority(Thread* thread, u32 old_priorit
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
if (core != static_cast<u32>(thread->processor_id) &&
((thread->affinity_mask >> core) & 1) != 0) {
thread->affinity_mask.GetAffinity(core)) {
Suggest(thread->current_priority, core, thread);
}
}
@ -527,7 +527,7 @@ void GlobalScheduler::AdjustSchedulingOnAffinity(Thread* thread, u64 old_affinit
}
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
if (((thread->affinity_mask >> core) & 1) != 0) {
if (thread->affinity_mask.GetAffinity(core)) {
if (core == static_cast<u32>(thread->processor_id)) {
Schedule(thread->current_priority, core, thread);
} else {

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@ -2003,7 +2003,7 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
}
*core = thread->GetIdealCore();
*mask = thread->GetAffinityMask();
*mask = thread->GetAffinityMask().GetAffinityMask();
return RESULT_SUCCESS;
}

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@ -191,7 +191,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
thread->last_running_ticks = 0;
thread->processor_id = processor_id;
thread->ideal_core = processor_id;
thread->affinity_mask = 1ULL << processor_id;
thread->affinity_mask.SetAffinity(processor_id, true);
thread->wait_objects = nullptr;
thread->mutex_wait_address = 0;
thread->condvar_wait_address = 0;
@ -479,15 +479,16 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
}
if (use_override) {
ideal_core_override = new_core;
affinity_mask_override = new_affinity_mask;
} else {
const u64 old_affinity_mask = std::exchange(affinity_mask, new_affinity_mask);
const auto old_affinity_mask = affinity_mask.GetAffinityMask();
affinity_mask.SetAffinityMask(new_affinity_mask);
ideal_core = new_core;
if (old_affinity_mask != new_affinity_mask) {
const s32 old_core = processor_id;
if (processor_id >= 0 && ((affinity_mask >> processor_id) & 1) == 0) {
if (processor_id >= 0 && !affinity_mask.GetAffinity(processor_id)) {
if (static_cast<s32>(ideal_core) < 0) {
processor_id = HighestSetCore(affinity_mask, Core::Hardware::NUM_CPU_CORES);
processor_id = HighestSetCore(affinity_mask.GetAffinityMask(),
Core::Hardware::NUM_CPU_CORES);
} else {
processor_id = ideal_core;
}

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@ -12,6 +12,7 @@
#include "common/common_types.h"
#include "common/spin_lock.h"
#include "core/arm/arm_interface.h"
#include "core/hle/kernel/k_affinity_mask.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/synchronization_object.h"
#include "core/hle/result.h"
@ -469,7 +470,7 @@ public:
return ideal_core;
}
u64 GetAffinityMask() const {
constexpr const KAffinityMask& GetAffinityMask() const {
return affinity_mask;
}
@ -649,10 +650,9 @@ private:
Scheduler* scheduler = nullptr;
u32 ideal_core{0xFFFFFFFF};
u64 affinity_mask{0x1};
KAffinityMask affinity_mask{};
s32 ideal_core_override = -1;
u64 affinity_mask_override = 0x1;
u32 affinity_override_count = 0;
u32 scheduling_state = 0;

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@ -349,8 +349,8 @@ std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const {
list.push_back(std::make_unique<WaitTreeText>(tr("processor = %1").arg(processor)));
list.push_back(
std::make_unique<WaitTreeText>(tr("ideal core = %1").arg(thread.GetIdealCore())));
list.push_back(
std::make_unique<WaitTreeText>(tr("affinity mask = %1").arg(thread.GetAffinityMask())));
list.push_back(std::make_unique<WaitTreeText>(
tr("affinity mask = %1").arg(thread.GetAffinityMask().GetAffinityMask())));
list.push_back(std::make_unique<WaitTreeText>(tr("thread id = %1").arg(thread.GetThreadID())));
list.push_back(std::make_unique<WaitTreeText>(tr("priority = %1(current) / %2(normal)")
.arg(thread.GetPriority())