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Diffstat (limited to 'src/core/hle/kernel/address_arbiter.cpp')
-rw-r--r--src/core/hle/kernel/address_arbiter.cpp46
1 files changed, 24 insertions, 22 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index c8842410b..de0a9064e 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -22,6 +22,7 @@ namespace Kernel {
namespace {
// Wake up num_to_wake (or all) threads in a vector.
void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_to_wake) {
+ auto& system = Core::System::GetInstance();
// Only process up to 'target' threads, unless 'target' is <= 0, in which case process
// them all.
std::size_t last = waiting_threads.size();
@@ -35,6 +36,7 @@ void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_
waiting_threads[i]->SetWaitSynchronizationResult(RESULT_SUCCESS);
waiting_threads[i]->SetArbiterWaitAddress(0);
waiting_threads[i]->ResumeFromWait();
+ system.PrepareReschedule(waiting_threads[i]->GetProcessorID());
}
}
} // Anonymous namespace
@@ -89,12 +91,20 @@ ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr a
// Determine the modified value depending on the waiting count.
s32 updated_value;
- if (waiting_threads.empty()) {
- updated_value = value + 1;
- } else if (num_to_wake <= 0 || waiting_threads.size() <= static_cast<u32>(num_to_wake)) {
- updated_value = value - 1;
+ if (num_to_wake <= 0) {
+ if (waiting_threads.empty()) {
+ updated_value = value + 1;
+ } else {
+ updated_value = value - 1;
+ }
} else {
- updated_value = value;
+ if (waiting_threads.empty()) {
+ updated_value = value + 1;
+ } else if (waiting_threads.size() <= static_cast<u32>(num_to_wake)) {
+ updated_value = value - 1;
+ } else {
+ updated_value = value;
+ }
}
if (static_cast<s32>(Memory::Read32(address)) != value) {
@@ -169,30 +179,22 @@ ResultCode AddressArbiter::WaitForAddressImpl(VAddr address, s64 timeout) {
current_thread->WakeAfterDelay(timeout);
- system.CpuCore(current_thread->GetProcessorID()).PrepareReschedule();
+ system.PrepareReschedule(current_thread->GetProcessorID());
return RESULT_TIMEOUT;
}
std::vector<SharedPtr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress(VAddr address) const {
- const auto RetrieveWaitingThreads = [this](std::size_t core_index,
- std::vector<SharedPtr<Thread>>& waiting_threads,
- VAddr arb_addr) {
- const auto& scheduler = system.Scheduler(core_index);
- const auto& thread_list = scheduler.GetThreadList();
-
- for (const auto& thread : thread_list) {
- if (thread->GetArbiterWaitAddress() == arb_addr) {
- waiting_threads.push_back(thread);
- }
- }
- };
// Retrieve all threads that are waiting for this address.
std::vector<SharedPtr<Thread>> threads;
- RetrieveWaitingThreads(0, threads, address);
- RetrieveWaitingThreads(1, threads, address);
- RetrieveWaitingThreads(2, threads, address);
- RetrieveWaitingThreads(3, threads, address);
+ const auto& scheduler = system.GlobalScheduler();
+ const auto& thread_list = scheduler.GetThreadList();
+
+ for (const auto& thread : thread_list) {
+ if (thread->GetArbiterWaitAddress() == address) {
+ threads.push_back(thread);
+ }
+ }
// Sort them by priority, such that the highest priority ones come first.
std::sort(threads.begin(), threads.end(),