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Merge pull request #242 from bunnei/fix-address-arbiters
Thread: Fixed to wait on address when in arbitration.
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commit
3a57856b66
@ -53,7 +53,7 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
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// Wait current thread (acquire the arbiter)...
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case ArbitrationType::WaitIfLessThan:
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if ((s32)Memory::Read32(address) <= value) {
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Kernel::WaitCurrentThread(WAITTYPE_ARB, handle);
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Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address);
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HLE::Reschedule(__func__);
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}
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break;
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@ -63,6 +63,7 @@ public:
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WaitType wait_type;
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Handle wait_handle;
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VAddr wait_address;
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std::vector<Handle> waiting_threads;
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@ -126,6 +127,7 @@ void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
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}
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t->wait_type = WAITTYPE_NONE;
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t->wait_handle = 0;
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t->wait_address = 0;
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}
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/// Change a thread to "ready" state
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@ -146,11 +148,17 @@ void ChangeReadyState(Thread* t, bool ready) {
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}
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/// Verify that a thread has not been released from waiting
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inline bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle) {
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static bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle) {
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_dbg_assert_(KERNEL, thread != nullptr);
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return (type == thread->wait_type) && (wait_handle == thread->wait_handle) && (thread->IsWaiting());
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}
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/// Verify that a thread has not been released from waiting (with wait address)
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static bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle, VAddr wait_address) {
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_dbg_assert_(KERNEL, thread != nullptr);
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return VerifyWait(thread, type, wait_handle) && (wait_address == thread->wait_address);
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}
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/// Stops the current thread
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ResultCode StopThread(Handle handle, const char* reason) {
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Thread* thread = g_object_pool.Get<Thread>(handle);
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@ -169,6 +177,7 @@ ResultCode StopThread(Handle handle, const char* reason) {
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// Stopped threads are never waiting.
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thread->wait_type = WAITTYPE_NONE;
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thread->wait_handle = 0;
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thread->wait_address = 0;
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return RESULT_SUCCESS;
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}
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@ -197,12 +206,12 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
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for (Handle handle : thread_queue) {
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Thread* thread = g_object_pool.Get<Thread>(handle);
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// TODO(bunnei): Verify arbiter address...
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if (!VerifyWait(thread, WAITTYPE_ARB, arbiter))
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if (!VerifyWait(thread, WAITTYPE_ARB, arbiter, address))
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continue;
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if (thread == nullptr)
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continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
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if(thread->current_priority <= priority) {
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highest_priority_thread = handle;
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priority = thread->current_priority;
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@ -222,8 +231,7 @@ void ArbitrateAllThreads(u32 arbiter, u32 address) {
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for (Handle handle : thread_queue) {
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Thread* thread = g_object_pool.Get<Thread>(handle);
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// TODO(bunnei): Verify arbiter address...
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if (VerifyWait(thread, WAITTYPE_ARB, arbiter))
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if (VerifyWait(thread, WAITTYPE_ARB, arbiter, address))
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ResumeThreadFromWait(handle);
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}
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}
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@ -277,11 +285,6 @@ Thread* NextThread() {
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return Kernel::g_object_pool.Get<Thread>(next);
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}
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/**
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* Puts the current thread in the wait state for the given type
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* @param wait_type Type of wait
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* @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread
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*/
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void WaitCurrentThread(WaitType wait_type, Handle wait_handle) {
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Thread* thread = GetCurrentThread();
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thread->wait_type = wait_type;
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@ -289,6 +292,11 @@ void WaitCurrentThread(WaitType wait_type, Handle wait_handle) {
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ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
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}
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void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address) {
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WaitCurrentThread(wait_type, wait_handle);
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GetCurrentThread()->wait_address = wait_address;
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}
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/// Resumes a thread from waiting by marking it as "ready"
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void ResumeThreadFromWait(Handle handle) {
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Thread* thread = Kernel::g_object_pool.Get<Thread>(handle);
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@ -339,6 +347,7 @@ Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 prio
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thread->processor_id = processor_id;
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thread->wait_type = WAITTYPE_NONE;
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thread->wait_handle = 0;
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thread->wait_address = 0;
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thread->name = name;
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return thread;
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@ -5,6 +5,9 @@
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#pragma once
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#include "common/common_types.h"
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#include "core/mem_map.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/result.h"
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@ -85,6 +88,14 @@ Handle GetCurrentThreadHandle();
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*/
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void WaitCurrentThread(WaitType wait_type, Handle wait_handle=GetCurrentThreadHandle());
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/**
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* Puts the current thread in the wait state for the given type
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* @param wait_type Type of wait
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* @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread
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* @param wait_address Arbitration address used to resume from wait
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*/
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void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address);
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/// Put current thread in a wait state - on WaitSynchronization
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void WaitThread_Synchronization();
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