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HLE/GSP: Keep track of the thread that currently has the GPU right.

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This thread is the only one for which the GSP interrupts should be signaled, except for the PDC0/1 interrupts.
This commit is contained in:
Subv 2017-12-21 11:43:30 -05:00
parent aabb07cca4
commit 05a44ed353
2 changed files with 15 additions and 9 deletions
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20
src/core/hle/service/gsp/gsp_gpu.cpp
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@ -370,9 +370,6 @@ void GSP_GPU::UnregisterInterruptRelayQueue(Kernel::HLERequestContext& ctx) {
* @todo This probably does not belong in the GSP module, instead move to video_core * @todo This probably does not belong in the GSP module, instead move to video_core
*/ */
void GSP_GPU::SignalInterrupt(InterruptId interrupt_id) { void GSP_GPU::SignalInterrupt(InterruptId interrupt_id) {
if (!gpu_right_acquired) {
return;
}
if (nullptr == shared_memory) { if (nullptr == shared_memory) {
LOG_WARNING(Service_GSP, "cannot synchronize until GSP shared memory has been created!"); LOG_WARNING(Service_GSP, "cannot synchronize until GSP shared memory has been created!");
return; return;
@ -634,18 +631,26 @@ void GSP_GPU::AcquireRight(Kernel::HLERequestContext& ctx) {
u32 flag = rp.Pop<u32>(); u32 flag = rp.Pop<u32>();
auto process = rp.PopObject<Kernel::Process>(); auto process = rp.PopObject<Kernel::Process>();
gpu_right_acquired = true; // TODO(Subv): This case should put the caller thread to sleep until the right is released.
ASSERT_MSG(active_thread_id == -1, "GPU right has already been acquired");
SessionData* session_data = GetSessionData(ctx.Session());
active_thread_id = session_data->thread_id;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_GSP, "called flag=%08X process=%u", flag, process->process_id); LOG_WARNING(Service_GSP, "called flag=%08X process=%u thread_id=%u", flag, process->process_id,
active_thread_id);
} }
void GSP_GPU::ReleaseRight(Kernel::HLERequestContext& ctx) { void GSP_GPU::ReleaseRight(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x17, 0, 0); IPC::RequestParser rp(ctx, 0x17, 0, 0);
gpu_right_acquired = false; SessionData* session_data = GetSessionData(ctx.Session());
ASSERT_MSG(active_thread_id == session_data->thread_id,
"Wrong thread tried to release GPU right");
active_thread_id = -1;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
@ -669,7 +674,7 @@ void GSP_GPU::StoreDataCache(Kernel::HLERequestContext& ctx) {
SessionData* GSP_GPU::FindRegisteredThreadData(u32 thread_id) { SessionData* GSP_GPU::FindRegisteredThreadData(u32 thread_id) {
for (auto& session_info : connected_sessions) { for (auto& session_info : connected_sessions) {
SessionData* data = static_cast<SessionData*>(session_info.data.get()) SessionData* data = static_cast<SessionData*>(session_info.data.get());
if (!data->registered) if (!data->registered)
continue; continue;
if (data->thread_id == thread_id) if (data->thread_id == thread_id)
@ -719,7 +724,6 @@ GSP_GPU::GSP_GPU() : ServiceFramework("gsp::Gpu", 2) {
MemoryPermission::ReadWrite, 0, MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory"); Kernel::MemoryRegion::BASE, "GSP:SharedMemory");
gpu_right_acquired = false;
first_initialization = true; first_initialization = true;
}; };
} // namespace GSP } // namespace GSP

4
src/core/hle/service/gsp/gsp_gpu.h
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@ -369,7 +369,9 @@ private:
/// GSP shared memory /// GSP shared memory
Kernel::SharedPtr<Kernel::SharedMemory> shared_memory; Kernel::SharedPtr<Kernel::SharedMemory> shared_memory;
bool gpu_right_acquired = false; /// Thread id that currently has GPU rights or -1 if none.
int active_thread_id = -1;
bool first_initialization = true; bool first_initialization = true;
}; };