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https://github.com/yuzu-emu/yuzu-mainline.git
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ef24e72b26
Involves making asserts use printf instead of the log functions (log functions are asynchronous and, as such, the log won't be printed in time) As such, the log type argument was removed (printf obviously can't use it, and it's made obsolete by the file and line printing) Also removed some GEKKO cruft.
271 lines
9.2 KiB
C++
271 lines
9.2 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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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 u32 read_pipe_count = 0;
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static Kernel::SharedPtr<Kernel::Event> semaphore_event;
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static Kernel::SharedPtr<Kernel::Event> interrupt_event;
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void SignalInterrupt() {
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// TODO(bunnei): This is just a stub, it does not do anything other than signal to the emulated
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// application that a DSP interrupt occurred, without specifying which one. Since we do not
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// emulate the DSP yet (and how it works is largely unknown), this is a work around to get games
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// that check the DSP interrupt signal event to run. We should figure out the different types of
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// DSP interrupts, and trigger them at the appropriate times.
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if (interrupt_event != 0)
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interrupt_event->Signal();
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}
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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 = Kernel::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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LOG_WARNING(Service_DSP, "(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 = Kernel::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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LOG_WARNING(Service_DSP, "(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 = Kernel::GetCommandBuffer();
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[3] = Kernel::g_handle_table.Create(semaphore_event).MoveFrom(); // Event handle
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LOG_WARNING(Service_DSP, "(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 = Kernel::GetCommandBuffer();
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auto evt = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
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if (evt != nullptr) {
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interrupt_event = evt;
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cmd_buff[1] = 0; // No error
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} else {
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LOG_ERROR(Service_DSP, "called with invalid handle=%08X", cmd_buff[4]);
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// TODO(yuriks): An error should be returned from SendSyncRequest, not in the cmdbuf
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cmd_buff[1] = -1;
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}
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LOG_WARNING(Service_DSP, "(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 = Kernel::GetCommandBuffer();
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SignalInterrupt();
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cmd_buff[1] = 0; // No error
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LOG_WARNING(Service_DSP, "(STUBBED) called");
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}
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/**
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* DSP_DSP::WriteProcessPipe service function
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* Inputs:
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* 1 : Number
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* 2 : Size
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* 3 : (size <<14) | 0x402
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* 4 : Buffer
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* Outputs:
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* 0 : Return header
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void WriteProcessPipe(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 number = cmd_buff[1];
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u32 size = cmd_buff[2];
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u32 new_size = cmd_buff[3];
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u32 buffer = cmd_buff[4];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_DSP, "(STUBBED) called number=%u, size=0x%08X, new_size=0x%08X, buffer=0x%08X",
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number, size, new_size, buffer);
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}
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/**
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* DSP_DSP::ReadPipeIfPossible service function
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* Inputs:
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* 1 : Unknown
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* 2 : Unknown
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* 3 : Size in bytes of read (observed only lower half word used)
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* 0x41 : Virtual address to read from DSP pipe to in memory
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Number of bytes read from pipe
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*/
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void ReadPipeIfPossible(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 size = cmd_buff[3] & 0xFFFF;// Lower 16 bits are size
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VAddr addr = cmd_buff[0x41];
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// Canned DSP responses that games expect. These were taken from HW by 3dmoo team.
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// TODO: Remove this hack :)
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static const std::array<u16, 16> canned_read_pipe = {
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0x000F, 0xBFFF, 0x9E8E, 0x8680, 0xA78E, 0x9430, 0x8400, 0x8540,
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0x948E, 0x8710, 0x8410, 0xA90E, 0xAA0E, 0xAACE, 0xAC4E, 0xAC58
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};
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u32 initial_size = read_pipe_count;
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for (unsigned offset = 0; offset < size; offset += sizeof(u16)) {
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if (read_pipe_count < canned_read_pipe.size()) {
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Memory::Write16(addr + offset, canned_read_pipe[read_pipe_count]);
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read_pipe_count++;
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} else {
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LOG_ERROR(Service_DSP, "canned read pipe log exceeded!");
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break;
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}
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}
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cmd_buff[1] = 0; // No error
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cmd_buff[2] = (read_pipe_count - initial_size) * sizeof(u16);
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LOG_WARNING(Service_DSP, "(STUBBED) called size=0x%08X, buffer=0x%08X", size, addr);
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}
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/**
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* DSP_DSP::SetSemaphoreMask service function
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* Inputs:
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* 1 : Mask
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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 SetSemaphoreMask(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 mask = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_DSP, "(STUBBED) called mask=0x%08X", mask);
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}
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/**
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* DSP_DSP::GetHeadphoneStatus service function
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* Inputs:
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* 1 : None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : The headphone status response, 0 = Not using headphones?,
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* 1 = using headphones?
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*/
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void GetHeadphoneStatus(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 0; // Not using headphones?
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LOG_WARNING(Service_DSP, "(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, WriteProcessPipe, "WriteProcessPipe"},
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{0x001000C0, ReadPipeIfPossible, "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, SetSemaphoreMask, "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, GetHeadphoneStatus, "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::Event::Create(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event");
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interrupt_event = nullptr;
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read_pipe_count = 0;
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Register(FunctionTable);
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}
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} // namespace
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