diff options
Diffstat (limited to 'src/core/hle/service/dsp_dsp.cpp')
| -rw-r--r-- | src/core/hle/service/dsp_dsp.cpp | 199 |
1 files changed, 170 insertions, 29 deletions
diff --git a/src/core/hle/service/dsp_dsp.cpp b/src/core/hle/service/dsp_dsp.cpp index bbcf26f6..2cf4d118 100644 --- a/src/core/hle/service/dsp_dsp.cpp +++ b/src/core/hle/service/dsp_dsp.cpp @@ -1,9 +1,10 @@ // Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 +// Licensed under GPLv2 or any later version // Refer to the license.txt file included. #include "common/log.h" #include "core/hle/hle.h" +#include "core/hle/kernel/event.h" #include "core/hle/service/dsp_dsp.h" //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -11,42 +12,182 @@ namespace DSP_DSP { +static u32 read_pipe_count; +static Handle semaphore_event; +static Handle interrupt_event; + +/** + * DSP_DSP::ConvertProcessAddressFromDspDram service function + * Inputs: + * 1 : Address + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + * 2 : (inaddr << 1) + 0x1FF40000 (where 0x1FF00000 is the DSP RAM address) + */ +void ConvertProcessAddressFromDspDram(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + u32 addr = cmd_buff[1]; + + cmd_buff[1] = 0; // No error + cmd_buff[2] = (addr << 1) + (Memory::DSP_MEMORY_VADDR + 0x40000); + + LOG_WARNING(Service_DSP, "(STUBBED) called with address %u", addr); +} + +/** + * DSP_DSP::LoadComponent service function + * Inputs: + * 1 : Size + * 2 : Unknown (observed only half word used) + * 3 : Unknown (observed only half word used) + * 4 : (size << 4) | 0xA + * 5 : Buffer address + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + * 2 : Component loaded, 0 on not loaded, 1 on loaded + */ +void LoadComponent(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + cmd_buff[1] = 0; // No error + cmd_buff[2] = 1; // Pretend that we actually loaded the DSP firmware + + // TODO(bunnei): Implement real DSP firmware loading + + LOG_WARNING(Service_DSP, "(STUBBED) called"); +} + +/** + * DSP_DSP::GetSemaphoreEventHandle service function + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + * 3 : Semaphore event handle + */ +void GetSemaphoreEventHandle(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + cmd_buff[1] = 0; // No error + cmd_buff[3] = semaphore_event; // Event handle + + LOG_WARNING(Service_DSP, "(STUBBED) called"); +} + +/** + * DSP_DSP::RegisterInterruptEvents service function + * Inputs: + * 1 : Parameter 0 (purpose unknown) + * 2 : Parameter 1 (purpose unknown) + * 4 : Interrupt event handle + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + */ +void RegisterInterruptEvents(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + interrupt_event = static_cast<Handle>(cmd_buff[4]); + + cmd_buff[1] = 0; // No error + + LOG_WARNING(Service_DSP, "(STUBBED) called"); +} + +/** + * DSP_DSP::WriteReg0x10 service function + * Inputs: + * 1 : Unknown (observed only half word used) + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + */ +void WriteReg0x10(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + Kernel::SignalEvent(interrupt_event); + + cmd_buff[1] = 0; // No error + + LOG_WARNING(Service_DSP, "(STUBBED) called"); +} + +/** + * DSP_DSP::ReadPipeIfPossible service function + * Inputs: + * 1 : Unknown + * 2 : Unknown + * 3 : Size in bytes of read (observed only lower half word used) + * 0x41 : Virtual address to read from DSP pipe to in memory + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + * 2 : Number of bytes read from pipe + */ +void ReadPipeIfPossible(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + + u32 size = cmd_buff[3] & 0xFFFF;// Lower 16 bits are size + VAddr addr = cmd_buff[0x41]; + + // Canned DSP responses that games expect. These were taken from HW by 3dmoo team. + // TODO: Remove this hack :) + static const std::array<u16, 16> canned_read_pipe = { + 0x000F, 0xBFFF, 0x9E8E, 0x8680, 0xA78E, 0x9430, 0x8400, 0x8540, + 0x948E, 0x8710, 0x8410, 0xA90E, 0xAA0E, 0xAACE, 0xAC4E, 0xAC58 + }; + + u32 initial_size = read_pipe_count; + + for (unsigned offset = 0; offset < size; offset += sizeof(u16)) { + if (read_pipe_count < canned_read_pipe.size()) { + Memory::Write16(addr + offset, canned_read_pipe[read_pipe_count]); + read_pipe_count++; + } else { + LOG_ERROR(Service_DSP, "canned read pipe log exceeded!"); + break; + } + } + + cmd_buff[1] = 0; // No error + cmd_buff[2] = (read_pipe_count - initial_size) * sizeof(u16); + + LOG_WARNING(Service_DSP, "(STUBBED) called size=0x%08X, buffer=0x%08X", size, addr); +} + const Interface::FunctionInfo FunctionTable[] = { - {0x00010040, nullptr, "RecvData"}, - {0x00020040, nullptr, "RecvDataIsReady"}, - {0x00030080, nullptr, "SendData"}, - {0x00040040, nullptr, "SendDataIsEmpty"}, - {0x00070040, nullptr, "WriteReg0x10"}, - {0x00080000, nullptr, "GetSemaphore"}, - {0x00090040, nullptr, "ClearSemaphore"}, - {0x000B0000, nullptr, "CheckSemaphoreRequest"}, - {0x000C0040, nullptr, "ConvertProcessAddressFromDspDram"}, - {0x000D0082, nullptr, "WriteProcessPipe"}, - {0x001000C0, nullptr, "ReadPipeIfPossible"}, - {0x001100C2, nullptr, "LoadComponent"}, - {0x00120000, nullptr, "UnloadComponent"}, - {0x00130082, nullptr, "FlushDataCache"}, - {0x00140082, nullptr, "InvalidateDCache"}, - {0x00150082, nullptr, "RegisterInterruptEvents"}, - {0x00160000, nullptr, "GetSemaphoreEventHandle"}, - {0x00170040, nullptr, "SetSemaphoreMask"}, - {0x00180040, nullptr, "GetPhysicalAddress"}, - {0x00190040, nullptr, "GetVirtualAddress"}, - {0x001A0042, nullptr, "SetIirFilterI2S1_cmd1"}, - {0x001B0042, nullptr, "SetIirFilterI2S1_cmd2"}, - {0x001C0082, nullptr, "SetIirFilterEQ"}, - {0x001F0000, nullptr, "GetHeadphoneStatus"}, - {0x00210000, nullptr, "GetIsDspOccupied"}, + {0x00010040, nullptr, "RecvData"}, + {0x00020040, nullptr, "RecvDataIsReady"}, + {0x00030080, nullptr, "SendData"}, + {0x00040040, nullptr, "SendDataIsEmpty"}, + {0x00070040, WriteReg0x10, "WriteReg0x10"}, + {0x00080000, nullptr, "GetSemaphore"}, + {0x00090040, nullptr, "ClearSemaphore"}, + {0x000B0000, nullptr, "CheckSemaphoreRequest"}, + {0x000C0040, ConvertProcessAddressFromDspDram, "ConvertProcessAddressFromDspDram"}, + {0x000D0082, nullptr, "WriteProcessPipe"}, + {0x001000C0, ReadPipeIfPossible, "ReadPipeIfPossible"}, + {0x001100C2, LoadComponent, "LoadComponent"}, + {0x00120000, nullptr, "UnloadComponent"}, + {0x00130082, nullptr, "FlushDataCache"}, + {0x00140082, nullptr, "InvalidateDCache"}, + {0x00150082, RegisterInterruptEvents, "RegisterInterruptEvents"}, + {0x00160000, GetSemaphoreEventHandle, "GetSemaphoreEventHandle"}, + {0x00170040, nullptr, "SetSemaphoreMask"}, + {0x00180040, nullptr, "GetPhysicalAddress"}, + {0x00190040, nullptr, "GetVirtualAddress"}, + {0x001A0042, nullptr, "SetIirFilterI2S1_cmd1"}, + {0x001B0042, nullptr, "SetIirFilterI2S1_cmd2"}, + {0x001C0082, nullptr, "SetIirFilterEQ"}, + {0x001F0000, nullptr, "GetHeadphoneStatus"}, + {0x00210000, nullptr, "GetIsDspOccupied"}, }; //////////////////////////////////////////////////////////////////////////////////////////////////// // Interface class Interface::Interface() { - Register(FunctionTable, ARRAY_SIZE(FunctionTable)); -} + semaphore_event = Kernel::CreateEvent(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event"); + interrupt_event = 0; + read_pipe_count = 0; -Interface::~Interface() { + Register(FunctionTable, ARRAY_SIZE(FunctionTable)); } } // namespace |