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-rw-r--r--src/core/hardware_properties.h31
-rw-r--r--src/core/hle/kernel/scheduler.cpp4
-rw-r--r--src/core/hle/kernel/server_session.cpp2
-rw-r--r--src/core/hle/kernel/svc.cpp2
-rw-r--r--src/core/hle/kernel/synchronization.cpp21
-rw-r--r--src/core/hle/kernel/synchronization.h14
6 files changed, 50 insertions, 24 deletions
diff --git a/src/core/hardware_properties.h b/src/core/hardware_properties.h
index 62cdf9ef0..947140efb 100644
--- a/src/core/hardware_properties.h
+++ b/src/core/hardware_properties.h
@@ -8,14 +8,6 @@
namespace Core {
-union EmuThreadHandle {
- u64 raw;
- struct {
- u32 host_handle;
- u32 guest_handle;
- };
-};
-
namespace Hardware {
// The below clock rate is based on Switch's clockspeed being widely known as 1.020GHz
@@ -23,6 +15,29 @@ namespace Hardware {
constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch cpu frequency is 1020MHz un/docked
constexpr u64 CNTFREQ = 19200000; // Switch's hardware clock speed
constexpr u32 NUM_CPU_CORES = 4; // Number of CPU Cores
+
} // namespace Hardware
+struct EmuThreadHandle {
+ u32 host_handle;
+ u32 guest_handle;
+
+ u64 GetRaw() const {
+ return (static_cast<u64>(host_handle) << 32) | guest_handle;
+ }
+
+ bool operator==(const EmuThreadHandle& rhs) const {
+ return std::tie(host_handle, guest_handle) == std::tie(rhs.host_handle, rhs.guest_handle);
+ }
+
+ bool operator!=(const EmuThreadHandle& rhs) const {
+ return !operator==(rhs);
+ }
+
+ static constexpr EmuThreadHandle InvalidHandle() {
+ constexpr u32 invalid_handle = 0xFFFFFFFF;
+ return {invalid_handle, invalid_handle};
+ }
+};
+
} // namespace Core
diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp
index b5ffa5418..86f1421bf 100644
--- a/src/core/hle/kernel/scheduler.cpp
+++ b/src/core/hle/kernel/scheduler.cpp
@@ -125,7 +125,7 @@ bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
scheduled_queue[core_id].yield(priority);
std::array<Thread*, Core::Hardware::NUM_CPU_CORES> current_threads;
- for (u32 i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
+ for (std::size_t i = 0; i < current_threads.size(); i++) {
current_threads[i] = scheduled_queue[i].empty() ? nullptr : scheduled_queue[i].front();
}
@@ -178,7 +178,7 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread
if (scheduled_queue[core_id].empty()) {
// Here, "current_threads" is calculated after the ""yield"", unlike yield -1
std::array<Thread*, Core::Hardware::NUM_CPU_CORES> current_threads;
- for (u32 i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
+ for (std::size_t i = 0; i < current_threads.size(); i++) {
current_threads[i] = scheduled_queue[i].empty() ? nullptr : scheduled_queue[i].front();
}
for (auto& thread : suggested_queue[core_id]) {
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index ca98fd984..4604e35c5 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -57,7 +57,7 @@ bool ServerSession::IsSignaled() const {
}
// Wait if we have no pending requests, or if we're currently handling a request.
- return !(pending_requesting_threads.empty() || currently_handling != nullptr);
+ return !pending_requesting_threads.empty() && currently_handling == nullptr;
}
void ServerSession::Acquire(Thread* thread) {
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 86c660cdf..fd91779a3 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -474,7 +474,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
objects[i] = object;
}
auto& synchronization = kernel.Synchronization();
- auto [result, handle_result] = synchronization.WaitFor(objects, nano_seconds);
+ const auto [result, handle_result] = synchronization.WaitFor(objects, nano_seconds);
*index = handle_result;
return result;
}
diff --git a/src/core/hle/kernel/synchronization.cpp b/src/core/hle/kernel/synchronization.cpp
index 25afc162f..dc37fad1a 100644
--- a/src/core/hle/kernel/synchronization.cpp
+++ b/src/core/hle/kernel/synchronization.cpp
@@ -4,6 +4,7 @@
#include "core/core.h"
#include "core/hle/kernel/errors.h"
+#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/synchronization.h"
@@ -27,30 +28,30 @@ static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, std::shared_p
thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
thread->SetWaitSynchronizationOutput(static_cast<u32>(index));
return true;
-};
+}
Synchronization::Synchronization(Core::System& system) : system{system} {}
void Synchronization::SignalObject(SynchronizationObject& obj) const {
if (obj.IsSignaled()) {
obj.WakeupAllWaitingThreads();
- };
+ }
}
std::pair<ResultCode, Handle> Synchronization::WaitFor(
std::vector<std::shared_ptr<SynchronizationObject>>& sync_objects, s64 nano_seconds) {
auto* const thread = system.CurrentScheduler().GetCurrentThread();
// Find the first object that is acquirable in the provided list of objects
- auto itr = std::find_if(sync_objects.begin(), sync_objects.end(),
- [thread](const std::shared_ptr<SynchronizationObject>& object) {
- return object->IsSignaled();
- });
+ const auto itr = std::find_if(sync_objects.begin(), sync_objects.end(),
+ [thread](const std::shared_ptr<SynchronizationObject>& object) {
+ return object->IsSignaled();
+ });
if (itr != sync_objects.end()) {
// We found a ready object, acquire it and set the result value
SynchronizationObject* object = itr->get();
object->Acquire(thread);
- u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr));
+ const u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr));
return {RESULT_SUCCESS, index};
}
@@ -59,12 +60,12 @@ std::pair<ResultCode, Handle> Synchronization::WaitFor(
// If a timeout value of 0 was provided, just return the Timeout error code instead of
// suspending the thread.
if (nano_seconds == 0) {
- return {RESULT_TIMEOUT, 0};
+ return {RESULT_TIMEOUT, InvalidHandle};
}
if (thread->IsSyncCancelled()) {
thread->SetSyncCancelled(false);
- return {ERR_SYNCHRONIZATION_CANCELED, 0};
+ return {ERR_SYNCHRONIZATION_CANCELED, InvalidHandle};
}
for (auto& object : sync_objects) {
@@ -80,7 +81,7 @@ std::pair<ResultCode, Handle> Synchronization::WaitFor(
system.PrepareReschedule(thread->GetProcessorID());
- return {RESULT_TIMEOUT, 0};
+ return {RESULT_TIMEOUT, InvalidHandle};
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/synchronization.h b/src/core/hle/kernel/synchronization.h
index 3417a9f13..379f4b1d3 100644
--- a/src/core/hle/kernel/synchronization.h
+++ b/src/core/hle/kernel/synchronization.h
@@ -6,6 +6,7 @@
#include <memory>
#include <utility>
+#include <vector>
#include "core/hle/kernel/object.h"
#include "core/hle/result.h"
@@ -16,15 +17,24 @@ class System;
namespace Kernel {
-class KernelCore;
class SynchronizationObject;
+/**
+ * The 'Synchronization' class is an interface for handling synchronization methods
+ * used by Synchronization objects and synchronization SVCs. This centralizes processing of
+ * such
+ */
class Synchronization {
public:
- Synchronization(Core::System& system);
+ explicit Synchronization(Core::System& system);
+ /// Signals a synchronization object, waking up all its waiting threads
void SignalObject(SynchronizationObject& obj) const;
+ /// Tries to see if waiting for any of the sync_objects is necessary, if not
+ /// it returns Success and the handle index of the signaled sync object. In
+ /// case not, the current thread will be locked and wait for nano_seconds or
+ /// for a synchronization object to signal.
std::pair<ResultCode, Handle> WaitFor(
std::vector<std::shared_ptr<SynchronizationObject>>& sync_objects, s64 nano_seconds);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 07:59:55 +0100