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58 lines
1.4 KiB
58 lines
1.4 KiB
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include "dynarmic/interface/exclusive_monitor.h"
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#include <algorithm>
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#include <mcl/assert.hpp>
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namespace Dynarmic {
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ExclusiveMonitor::ExclusiveMonitor(size_t processor_count)
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: exclusive_addresses(processor_count, INVALID_EXCLUSIVE_ADDRESS), exclusive_values(processor_count) {}
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size_t ExclusiveMonitor::GetProcessorCount() const {
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return exclusive_addresses.size();
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}
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void ExclusiveMonitor::Lock() {
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lock.Lock();
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}
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void ExclusiveMonitor::Unlock() {
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lock.Unlock();
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}
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bool ExclusiveMonitor::CheckAndClear(size_t processor_id, VAddr address) {
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const VAddr masked_address = address & RESERVATION_GRANULE_MASK;
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Lock();
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if (exclusive_addresses[processor_id] != masked_address) {
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Unlock();
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return false;
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}
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for (VAddr& other_address : exclusive_addresses) {
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if (other_address == masked_address) {
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other_address = INVALID_EXCLUSIVE_ADDRESS;
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}
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}
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return true;
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}
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void ExclusiveMonitor::Clear() {
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Lock();
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std::fill(exclusive_addresses.begin(), exclusive_addresses.end(), INVALID_EXCLUSIVE_ADDRESS);
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Unlock();
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}
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void ExclusiveMonitor::ClearProcessor(size_t processor_id) {
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Lock();
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exclusive_addresses[processor_id] = INVALID_EXCLUSIVE_ADDRESS;
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Unlock();
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}
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} // namespace Dynarmic
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