mirror of https://github.com/yuzu-emu/yuzu.git
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "core/hle/kernel/k_condition_variable.h"
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#include "core/hle/kernel/svc_types.h"
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union Result;
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namespace Core {
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class System;
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}
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namespace Kernel {
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class KernelCore;
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class KAddressArbiter {
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public:
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using ThreadTree = KConditionVariable::ThreadTree;
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explicit KAddressArbiter(Core::System& system);
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~KAddressArbiter();
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Result SignalToAddress(uint64_t addr, Svc::SignalType type, s32 value, s32 count) {
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switch (type) {
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case Svc::SignalType::Signal:
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R_RETURN(this->Signal(addr, count));
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case Svc::SignalType::SignalAndIncrementIfEqual:
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R_RETURN(this->SignalAndIncrementIfEqual(addr, value, count));
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case Svc::SignalType::SignalAndModifyByWaitingCountIfEqual:
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R_RETURN(this->SignalAndModifyByWaitingCountIfEqual(addr, value, count));
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default:
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UNREACHABLE();
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}
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}
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Result WaitForAddress(uint64_t addr, Svc::ArbitrationType type, s32 value, s64 timeout) {
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switch (type) {
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case Svc::ArbitrationType::WaitIfLessThan:
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R_RETURN(WaitIfLessThan(addr, value, false, timeout));
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case Svc::ArbitrationType::DecrementAndWaitIfLessThan:
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R_RETURN(WaitIfLessThan(addr, value, true, timeout));
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case Svc::ArbitrationType::WaitIfEqual:
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R_RETURN(WaitIfEqual(addr, value, timeout));
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default:
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UNREACHABLE();
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}
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}
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private:
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Result Signal(uint64_t addr, s32 count);
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Result SignalAndIncrementIfEqual(uint64_t addr, s32 value, s32 count);
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Result SignalAndModifyByWaitingCountIfEqual(uint64_t addr, s32 value, s32 count);
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Result WaitIfLessThan(uint64_t addr, s32 value, bool decrement, s64 timeout);
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Result WaitIfEqual(uint64_t addr, s32 value, s64 timeout);
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private:
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ThreadTree m_tree;
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Core::System& m_system;
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KernelCore& m_kernel;
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};
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} // namespace Kernel
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