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authorbunnei <bunneidev@gmail.com>2018-02-18 20:46:11 +0100
committerbunnei <bunneidev@gmail.com>2018-02-18 20:46:11 +0100
commitcec0d4f1918c640524fa0087549da2fab0960e24 (patch)
tree3b2c3e28cc798b6cdf081d6ddd6e13554458b72a /src/core/hle/kernel
parentMerge pull request #198 from N00byKing/clang (diff)
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Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/address_arbiter.cpp91
-rw-r--r--src/core/hle/kernel/address_arbiter.h60
-rw-r--r--src/core/hle/kernel/thread.cpp34
-rw-r--r--src/core/hle/kernel/thread.h12
4 files changed, 0 insertions, 197 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
deleted file mode 100644
index 776d342f0..000000000
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/common_types.h"
-#include "common/logging/log.h"
-#include "core/hle/kernel/address_arbiter.h"
-#include "core/hle/kernel/errors.h"
-#include "core/hle/kernel/thread.h"
-#include "core/memory.h"
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Kernel namespace
-
-namespace Kernel {
-
-AddressArbiter::AddressArbiter() {}
-AddressArbiter::~AddressArbiter() {}
-
-SharedPtr<AddressArbiter> AddressArbiter::Create(std::string name) {
- SharedPtr<AddressArbiter> address_arbiter(new AddressArbiter);
-
- address_arbiter->name = std::move(name);
-
- return address_arbiter;
-}
-
-ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address, s32 value,
- u64 nanoseconds) {
- switch (type) {
-
- // Signal thread(s) waiting for arbitrate address...
- case ArbitrationType::Signal:
- // Negative value means resume all threads
- if (value < 0) {
- ArbitrateAllThreads(address);
- } else {
- // Resume first N threads
- for (int i = 0; i < value; i++)
- ArbitrateHighestPriorityThread(address);
- }
- break;
-
- // Wait current thread (acquire the arbiter)...
- case ArbitrationType::WaitIfLessThan:
- if ((s32)Memory::Read32(address) < value) {
- Kernel::WaitCurrentThread_ArbitrateAddress(address);
- }
- break;
- case ArbitrationType::WaitIfLessThanWithTimeout:
- if ((s32)Memory::Read32(address) < value) {
- Kernel::WaitCurrentThread_ArbitrateAddress(address);
- GetCurrentThread()->WakeAfterDelay(nanoseconds);
- }
- break;
- case ArbitrationType::DecrementAndWaitIfLessThan: {
- s32 memory_value = Memory::Read32(address);
- if (memory_value < value) {
- // Only change the memory value if the thread should wait
- Memory::Write32(address, (s32)memory_value - 1);
- Kernel::WaitCurrentThread_ArbitrateAddress(address);
- }
- break;
- }
- case ArbitrationType::DecrementAndWaitIfLessThanWithTimeout: {
- s32 memory_value = Memory::Read32(address);
- if (memory_value < value) {
- // Only change the memory value if the thread should wait
- Memory::Write32(address, (s32)memory_value - 1);
- Kernel::WaitCurrentThread_ArbitrateAddress(address);
- GetCurrentThread()->WakeAfterDelay(nanoseconds);
- }
- break;
- }
-
- default:
- LOG_ERROR(Kernel, "unknown type=%d", type);
- return ERR_INVALID_ENUM_VALUE_FND;
- }
-
- // The calls that use a timeout seem to always return a Timeout error even if they did not put
- // the thread to sleep
- if (type == ArbitrationType::WaitIfLessThanWithTimeout ||
- type == ArbitrationType::DecrementAndWaitIfLessThanWithTimeout) {
-
- return RESULT_TIMEOUT;
- }
- return RESULT_SUCCESS;
-}
-
-} // namespace Kernel
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h
deleted file mode 100644
index f902ddf2d..000000000
--- a/src/core/hle/kernel/address_arbiter.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "common/common_types.h"
-#include "core/hle/kernel/kernel.h"
-#include "core/hle/result.h"
-
-// Address arbiters are an underlying kernel synchronization object that can be created/used via
-// supervisor calls (SVCs). They function as sort of a global lock. Typically, games/other CTR
-// applications use them as an underlying mechanism to implement thread-safe barriers, events, and
-// semphores.
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Kernel namespace
-
-namespace Kernel {
-
-enum class ArbitrationType : u32 {
- Signal,
- WaitIfLessThan,
- DecrementAndWaitIfLessThan,
- WaitIfLessThanWithTimeout,
- DecrementAndWaitIfLessThanWithTimeout,
-};
-
-class AddressArbiter final : public Object {
-public:
- /**
- * Creates an address arbiter.
- *
- * @param name Optional name used for debugging.
- * @returns The created AddressArbiter.
- */
- static SharedPtr<AddressArbiter> Create(std::string name = "Unknown");
-
- std::string GetTypeName() const override {
- return "Arbiter";
- }
- std::string GetName() const override {
- return name;
- }
-
- static const HandleType HANDLE_TYPE = HandleType::AddressArbiter;
- HandleType GetHandleType() const override {
- return HANDLE_TYPE;
- }
-
- std::string name; ///< Name of address arbiter object (optional)
-
- ResultCode ArbitrateAddress(ArbitrationType type, VAddr address, s32 value, u64 nanoseconds);
-
-private:
- AddressArbiter();
- ~AddressArbiter() override;
-};
-
-} // namespace Kernel
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 130b669a0..0fcc65cbf 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -109,40 +109,6 @@ void Thread::Stop() {
Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
}
-Thread* ArbitrateHighestPriorityThread(u32 address) {
- Thread* highest_priority_thread = nullptr;
- u32 priority = THREADPRIO_LOWEST;
-
- // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
- for (auto& thread : thread_list) {
- if (!CheckWait_AddressArbiter(thread.get(), address))
- continue;
-
- if (thread == nullptr)
- continue;
-
- if (thread->current_priority <= priority) {
- highest_priority_thread = thread.get();
- priority = thread->current_priority;
- }
- }
-
- // If a thread was arbitrated, resume it
- if (nullptr != highest_priority_thread) {
- highest_priority_thread->ResumeFromWait();
- }
-
- return highest_priority_thread;
-}
-
-void ArbitrateAllThreads(u32 address) {
- // Resume all threads found to be waiting on the address
- for (auto& thread : thread_list) {
- if (CheckWait_AddressArbiter(thread.get(), address))
- thread->ResumeFromWait();
- }
-}
-
/**
* Switches the CPU's active thread context to that of the specified thread
* @param new_thread The thread to switch to
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index bbffaf4cf..aa80a51a9 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -260,18 +260,6 @@ bool HaveReadyThreads();
void Reschedule();
/**
- * Arbitrate the highest priority thread that is waiting
- * @param address The address for which waiting threads should be arbitrated
- */
-Thread* ArbitrateHighestPriorityThread(VAddr address);
-
-/**
- * Arbitrate all threads currently waiting.
- * @param address The address for which waiting threads should be arbitrated
- */
-void ArbitrateAllThreads(VAddr address);
-
-/**
* Gets the current thread
*/
Thread* GetCurrentThread();