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author | bunnei <bunneidev@gmail.com> | 2018-02-18 20:46:11 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2018-02-18 20:46:11 +0100 |
commit | cec0d4f1918c640524fa0087549da2fab0960e24 (patch) | |
tree | 3b2c3e28cc798b6cdf081d6ddd6e13554458b72a /src/core/hle | |
parent | Merge pull request #198 from N00byKing/clang (diff) | |
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Diffstat (limited to 'src/core/hle')
-rw-r--r-- | src/core/hle/kernel/address_arbiter.cpp | 91 | ||||
-rw-r--r-- | src/core/hle/kernel/address_arbiter.h | 60 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 34 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.h | 12 |
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(); |