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DSP: Added stub for ReadPipeIfPossible.
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3a75c8069e
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@ -12,6 +12,7 @@
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namespace DSP_DSP {
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namespace DSP_DSP {
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static u32 read_pipe_count;
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static Handle semaphore_event;
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static Handle semaphore_event;
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static Handle interrupt_event;
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static Handle interrupt_event;
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@ -108,6 +109,48 @@ void WriteReg0x10(Service::Interface* self) {
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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DEBUG_LOG(KERNEL, "(STUBBED) called");
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}
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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 = Service::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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ERROR_LOG(KERNEL, "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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DEBUG_LOG(KERNEL, "(STUBBED) called size=0x%08X, buffer=0x%08X", size, addr);
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}
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const Interface::FunctionInfo FunctionTable[] = {
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010040, nullptr, "RecvData"},
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{0x00010040, nullptr, "RecvData"},
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{0x00020040, nullptr, "RecvDataIsReady"},
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{0x00020040, nullptr, "RecvDataIsReady"},
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@ -119,7 +162,7 @@ const Interface::FunctionInfo FunctionTable[] = {
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{0x000B0000, nullptr, "CheckSemaphoreRequest"},
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{0x000B0000, nullptr, "CheckSemaphoreRequest"},
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{0x000C0040, ConvertProcessAddressFromDspDram, "ConvertProcessAddressFromDspDram"},
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{0x000C0040, ConvertProcessAddressFromDspDram, "ConvertProcessAddressFromDspDram"},
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{0x000D0082, nullptr, "WriteProcessPipe"},
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{0x000D0082, nullptr, "WriteProcessPipe"},
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{0x001000C0, nullptr, "ReadPipeIfPossible"},
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{0x001000C0, ReadPipeIfPossible, "ReadPipeIfPossible"},
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{0x001100C2, LoadComponent, "LoadComponent"},
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{0x001100C2, LoadComponent, "LoadComponent"},
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{0x00120000, nullptr, "UnloadComponent"},
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{0x00120000, nullptr, "UnloadComponent"},
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{0x00130082, nullptr, "FlushDataCache"},
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{0x00130082, nullptr, "FlushDataCache"},
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@ -142,6 +185,7 @@ const Interface::FunctionInfo FunctionTable[] = {
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Interface::Interface() {
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Interface::Interface() {
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semaphore_event = Kernel::CreateEvent(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event");
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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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interrupt_event = 0;
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read_pipe_count = 0;
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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}
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}
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