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@ -11,53 +11,13 @@
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/service/gsp.h"
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#include "core/hw/gpu.h"
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#include "video_core/gpu_debugger.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Main graphics debugger object - TODO: Here is probably not the best place for this
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GraphicsDebugger g_debugger;
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/// GSP thread interrupt queue header
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struct GX_InterruptQueue {
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union {
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u32 hex;
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// Index of last interrupt in the queue
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BitField<0,8,u32> index;
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// Number of interrupts remaining to be processed by the userland code
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BitField<8,8,u32> number_interrupts;
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// Error code - zero on success, otherwise an error has occurred
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BitField<16,8,u32> error_code;
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};
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u32 unk0;
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u32 unk1;
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GSP_GPU::GXInterruptId slot[0x34]; ///< Interrupt ID slots
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};
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/// GSP shared memory GX command buffer header
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union GX_CmdBufferHeader {
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u32 hex;
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// Current command index. This index is updated by GSP module after loading the command data,
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// right before the command is processed. When this index is updated by GSP module, the total
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// commands field is decreased by one as well.
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BitField<0,8,u32> index;
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// Total commands to process, must not be value 0 when GSP module handles commands. This must be
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// <=15 when writing a command to shared memory. This is incremented by the application when
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// writing a command to shared memory, after increasing this value TriggerCmdReqQueue is only
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// used if this field is value 1.
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BitField<8,8,u32> number_commands;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace GSP_GPU
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@ -69,15 +29,15 @@ Handle g_shared_memory = 0;
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u32 g_thread_id = 1;
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/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
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static inline u8* GX_GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
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static inline u8* GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
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if (0 == g_shared_memory) return nullptr;
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return Kernel::GetSharedMemoryPointer(g_shared_memory, 0x800 + (thread_id * 0x200) + offset);
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}
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/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
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static inline GX_InterruptQueue* GetInterruptQueue(u32 thread_id) {
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return (GX_InterruptQueue*)Kernel::GetSharedMemoryPointer(g_shared_memory, sizeof(GX_InterruptQueue) * thread_id);
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static inline InterruptQueue* GetInterruptQueue(u32 thread_id) {
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return (InterruptQueue*)Kernel::GetSharedMemoryPointer(g_shared_memory, sizeof(InterruptQueue) * thread_id);
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}
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/// Write a GSP GPU hardware register
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@ -166,7 +126,7 @@ void RegisterInterruptRelayQueue(Service::Interface* self) {
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* Signals that the specified interrupt type has occurred to userland code
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* @param interrupt_id ID of interrupt that is being signalled
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*/
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void SignalInterrupt(GXInterruptId interrupt_id) {
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void SignalInterrupt(InterruptId interrupt_id) {
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if (0 == GSP_GPU::g_event) {
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WARN_LOG(GSP, "cannot synchronize until GSP event has been created!");
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return;
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@ -176,7 +136,7 @@ void SignalInterrupt(GXInterruptId interrupt_id) {
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return;
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}
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for (int thread_id = 0; thread_id < 0x4; ++thread_id) {
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GX_InterruptQueue* interrupt_queue = GetInterruptQueue(thread_id);
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InterruptQueue* interrupt_queue = GetInterruptQueue(thread_id);
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interrupt_queue->number_interrupts = interrupt_queue->number_interrupts + 1;
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u8 next = interrupt_queue->index;
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@ -190,24 +150,24 @@ void SignalInterrupt(GXInterruptId interrupt_id) {
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}
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/// Executes the next GSP command
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void ExecuteCommand(int thread_id, int command_index) {
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void ExecuteCommand(u32 thread_id, u32 command_index) {
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// Utility function to convert register ID to address
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auto WriteGPURegister = [](u32 id, u32 data) {
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GPU::Write<u32>(0x1EF00000 + 4 * id, data);
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};
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GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(thread_id);
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auto& command = *(const GXCommand*)GX_GetCmdBufferPointer(thread_id, (command_index + 1) * 0x20);
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CmdBufferHeader* header = (CmdBufferHeader*)GetCmdBufferPointer(thread_id);
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auto& command = *(const Command*)GetCmdBufferPointer(thread_id, (command_index + 1) * 0x20);
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g_debugger.GXCommandProcessed(GX_GetCmdBufferPointer(thread_id, 0x20 + (header->index * 0x20)));
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g_debugger.GXCommandProcessed(GetCmdBufferPointer(thread_id, 0x20 + (header->index * 0x20)));
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NOTICE_LOG(GSP, "decoding command 0x%08X", (int)command.id.Value());
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switch (command.id) {
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// GX request DMA - typically used for copying memory from GSP heap to VRAM
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case GXCommandId::REQUEST_DMA:
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case CommandId::REQUEST_DMA:
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memcpy(Memory::GetPointer(command.dma_request.dest_address),
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Memory::GetPointer(command.dma_request.source_address),
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command.dma_request.size);
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@ -216,7 +176,7 @@ void ExecuteCommand(int thread_id, int command_index) {
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// ctrulib homebrew sends all relevant command list data with this command,
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// hence we do all "interesting" stuff here and do nothing in SET_COMMAND_LIST_FIRST.
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// TODO: This will need some rework in the future.
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case GXCommandId::SET_COMMAND_LIST_LAST:
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case CommandId::SET_COMMAND_LIST_LAST:
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{
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auto& params = command.set_command_list_last;
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WriteGPURegister(GPU::Regs::CommandProcessor + 2, params.address >> 3);
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@ -228,13 +188,13 @@ void ExecuteCommand(int thread_id, int command_index) {
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g_debugger.CommandListCalled(params.address,
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(u32*)Memory::GetPointer(params.address),
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params.size);
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SignalInterrupt(GXInterruptId::P3D);
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SignalInterrupt(InterruptId::P3D);
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break;
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}
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// It's assumed that the two "blocks" behave equivalently.
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// Presumably this is done simply to allow two memory fills to run in parallel.
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case GXCommandId::SET_MEMORY_FILL:
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case CommandId::SET_MEMORY_FILL:
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{
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auto& params = command.memory_fill;
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WriteGPURegister(GPU::Regs::MemoryFill, params.start1 >> 3);
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@ -250,18 +210,18 @@ void ExecuteCommand(int thread_id, int command_index) {
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}
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// TODO: Check if texture copies are implemented correctly..
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case GXCommandId::SET_DISPLAY_TRANSFER:
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case CommandId::SET_DISPLAY_TRANSFER:
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// TODO(bunnei): Signalling all of these interrupts here is totally wrong, but it seems to
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// work well enough for running demos. Need to figure out how these all work and trigger
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// them correctly.
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SignalInterrupt(GXInterruptId::PSC0);
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SignalInterrupt(GXInterruptId::PSC1);
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SignalInterrupt(GXInterruptId::PPF);
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SignalInterrupt(GXInterruptId::P3D);
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SignalInterrupt(GXInterruptId::DMA);
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SignalInterrupt(InterruptId::PSC0);
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SignalInterrupt(InterruptId::PSC1);
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SignalInterrupt(InterruptId::PPF);
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SignalInterrupt(InterruptId::P3D);
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SignalInterrupt(InterruptId::DMA);
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break;
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case GXCommandId::SET_TEXTURE_COPY:
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case CommandId::SET_TEXTURE_COPY:
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{
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auto& params = command.image_copy;
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WriteGPURegister(GPU::Regs::DisplayTransfer, params.in_buffer_address >> 3);
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@ -278,7 +238,7 @@ void ExecuteCommand(int thread_id, int command_index) {
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// TODO: Figure out what exactly SET_COMMAND_LIST_FIRST and SET_COMMAND_LIST_LAST
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// are supposed to do.
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case GXCommandId::SET_COMMAND_LIST_FIRST:
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case CommandId::SET_COMMAND_LIST_FIRST:
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{
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break;
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}
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@ -294,11 +254,11 @@ void ExecuteCommand(int thread_id, int command_index) {
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void TriggerCmdReqQueue(Service::Interface* self) {
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// Iterate through each thread's command queue...
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for (int thread_id = 0; thread_id < 0x4; ++thread_id) {
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GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(thread_id);
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for (u32 thread_id = 0; thread_id < 0x4; ++thread_id) {
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CmdBufferHeader* header = (CmdBufferHeader*)GetCmdBufferPointer(thread_id);
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// Iterate through each command...
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for (int command_index = 0; command_index < header->number_commands; ++command_index) {
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for (u32 command_index = 0; command_index < header->number_commands; ++command_index) {
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ExecuteCommand(thread_id, command_index);
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}
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}
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