153 lines
5.2 KiB
C++
153 lines
5.2 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "common/log.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/service/dsp_dsp.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace DSP_DSP
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namespace DSP_DSP {
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static Handle semaphore_event;
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static Handle interrupt_event;
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/**
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* DSP_DSP::ConvertProcessAddressFromDspDram service function
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* Inputs:
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* 1 : Address
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : (inaddr << 1) + 0x1FF40000 (where 0x1FF00000 is the DSP RAM address)
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*/
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void ConvertProcessAddressFromDspDram(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32 addr = cmd_buff[1];
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cmd_buff[1] = 0; // No error
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cmd_buff[2] = (addr << 1) + (Memory::DSP_MEMORY_VADDR + 0x40000);
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DEBUG_LOG(KERNEL, "(STUBBED) called with address %u", addr);
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}
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/**
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* DSP_DSP::LoadComponent service function
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* Inputs:
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* 1 : Size
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* 2 : Unknown (observed only half word used)
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* 3 : Unknown (observed only half word used)
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* 4 : (size << 4) | 0xA
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* 5 : Buffer address
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Component loaded, 0 on not loaded, 1 on loaded
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*/
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void LoadComponent(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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cmd_buff[1] = 0; // No error
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cmd_buff[2] = 1; // Pretend that we actually loaded the DSP firmware
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// TODO(bunnei): Implement real DSP firmware loading
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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}
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/**
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* DSP_DSP::GetSemaphoreEventHandle service function
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 3 : Semaphore event handle
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*/
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void GetSemaphoreEventHandle(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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cmd_buff[1] = 0; // No error
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cmd_buff[3] = semaphore_event; // Event handle
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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}
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/**
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* DSP_DSP::RegisterInterruptEvents service function
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* Inputs:
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* 1 : Parameter 0 (purpose unknown)
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* 2 : Parameter 1 (purpose unknown)
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* 4 : Interrupt event handle
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void RegisterInterruptEvents(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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interrupt_event = static_cast<Handle>(cmd_buff[4]);
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cmd_buff[1] = 0; // No error
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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}
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/**
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* DSP_DSP::WriteReg0x10 service function
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* Inputs:
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* 1 : Unknown (observed only half word used)
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void WriteReg0x10(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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Kernel::SignalEvent(interrupt_event);
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cmd_buff[1] = 0; // No error
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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}
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010040, nullptr, "RecvData"},
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{0x00020040, nullptr, "RecvDataIsReady"},
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{0x00030080, nullptr, "SendData"},
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{0x00040040, nullptr, "SendDataIsEmpty"},
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{0x00070040, WriteReg0x10, "WriteReg0x10"},
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{0x00080000, nullptr, "GetSemaphore"},
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{0x00090040, nullptr, "ClearSemaphore"},
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{0x000B0000, nullptr, "CheckSemaphoreRequest"},
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{0x000C0040, ConvertProcessAddressFromDspDram, "ConvertProcessAddressFromDspDram"},
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{0x000D0082, nullptr, "WriteProcessPipe"},
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{0x001000C0, nullptr, "ReadPipeIfPossible"},
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{0x001100C2, LoadComponent, "LoadComponent"},
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{0x00120000, nullptr, "UnloadComponent"},
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{0x00130082, nullptr, "FlushDataCache"},
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{0x00140082, nullptr, "InvalidateDCache"},
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{0x00150082, RegisterInterruptEvents, "RegisterInterruptEvents"},
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{0x00160000, GetSemaphoreEventHandle, "GetSemaphoreEventHandle"},
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{0x00170040, nullptr, "SetSemaphoreMask"},
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{0x00180040, nullptr, "GetPhysicalAddress"},
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{0x00190040, nullptr, "GetVirtualAddress"},
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{0x001A0042, nullptr, "SetIirFilterI2S1_cmd1"},
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{0x001B0042, nullptr, "SetIirFilterI2S1_cmd2"},
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{0x001C0082, nullptr, "SetIirFilterEQ"},
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{0x001F0000, nullptr, "GetHeadphoneStatus"},
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{0x00210000, nullptr, "GetIsDspOccupied"},
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Interface class
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Interface::Interface() {
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semaphore_event = Kernel::CreateEvent(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event");
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interrupt_event = 0;
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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}
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Interface::~Interface() {
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}
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} // namespace
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