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GSP: Small tweaks to shared memory initialization
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@ -31,7 +31,7 @@ Kernel::SharedPtr<Kernel::Event> g_interrupt_event;
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/// GSP shared memoryings
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Kernel::SharedPtr<Kernel::SharedMemory> g_shared_memory;
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/// Thread index into interrupt relay queue, 1 is arbitrary
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u32 g_thread_id = 1;
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u32 g_thread_id = 0;
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/// Gets a pointer to a thread command buffer in GSP shared memory
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static inline u8* GetCommandBuffer(u32 thread_id) {
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@ -277,7 +277,7 @@ static void FlushDataCache(Service::Interface* self) {
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* 1 : "Flags" field, purpose is unknown
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* 3 : Handle to GSP synchronization event
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* Outputs:
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* 0 : Result of function, 0 on success, otherwise error code
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* 1 : Result of function, 0x2A07 on success, otherwise error code
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* 2 : Thread index into GSP command buffer
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* 4 : Handle to GSP shared memory
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*/
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@ -288,13 +288,11 @@ static void RegisterInterruptRelayQueue(Service::Interface* self) {
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g_interrupt_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[3]);
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ASSERT_MSG((g_interrupt_event != nullptr), "handle is not valid!");
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using Kernel::MemoryPermission;
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g_shared_memory = Kernel::SharedMemory::Create(0x1000, MemoryPermission::ReadWrite,
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MemoryPermission::ReadWrite, "GSPSharedMem");
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Handle shmem_handle = Kernel::g_handle_table.Create(g_shared_memory).MoveFrom();
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cmd_buff[1] = 0x2A07; // Value verified by 3dmoo team, purpose unknown, but needed for GSP init
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// This specific code is required for a successful initialization, rather than 0
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cmd_buff[1] = ResultCode((ErrorDescription)519, ErrorModule::GX,
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ErrorSummary::Success, ErrorLevel::Success).raw;
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cmd_buff[2] = g_thread_id++; // Thread ID
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cmd_buff[4] = shmem_handle; // GSP shared memory
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@ -529,8 +527,12 @@ Interface::Interface() {
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Register(FunctionTable);
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g_interrupt_event = 0;
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g_shared_memory = 0;
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g_thread_id = 1;
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using Kernel::MemoryPermission;
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g_shared_memory = Kernel::SharedMemory::Create(0x1000, MemoryPermission::ReadWrite,
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MemoryPermission::ReadWrite, "GSPSharedMem");
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g_thread_id = 0;
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}
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} // namespace
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