312 lines
12 KiB
C++
312 lines
12 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
|
|
#include "common/log.h"
|
|
#include "common/bit_field.h"
|
|
|
|
#include "core/mem_map.h"
|
|
#include "core/hle/hle.h"
|
|
#include "core/hle/kernel/event.h"
|
|
#include "core/hle/kernel/shared_memory.h"
|
|
#include "core/hle/service/gsp.h"
|
|
#include "core/hw/gpu.h"
|
|
|
|
#include "video_core/gpu_debugger.h"
|
|
|
|
// Main graphics debugger object - TODO: Here is probably not the best place for this
|
|
GraphicsDebugger g_debugger;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Namespace GSP_GPU
|
|
|
|
namespace GSP_GPU {
|
|
|
|
Handle g_event = 0;
|
|
Handle g_shared_memory = 0;
|
|
|
|
u32 g_thread_id = 1;
|
|
|
|
/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
|
|
static inline u8* GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
|
|
if (0 == g_shared_memory) return nullptr;
|
|
|
|
return Kernel::GetSharedMemoryPointer(g_shared_memory, 0x800 + (thread_id * 0x200) + offset);
|
|
}
|
|
|
|
/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
|
|
static inline InterruptQueue* GetInterruptQueue(u32 thread_id) {
|
|
return (InterruptQueue*)Kernel::GetSharedMemoryPointer(g_shared_memory, sizeof(InterruptQueue) * thread_id);
|
|
}
|
|
|
|
/// Write a GSP GPU hardware register
|
|
void WriteHWRegs(Service::Interface* self) {
|
|
u32* cmd_buff = Service::GetCommandBuffer();
|
|
u32 reg_addr = cmd_buff[1];
|
|
u32 size = cmd_buff[2];
|
|
|
|
// TODO: Return proper error codes
|
|
if (reg_addr + size >= 0x420000) {
|
|
ERROR_LOG(GPU, "Write address out of range! (address=0x%08x, size=0x%08x)", reg_addr, size);
|
|
return;
|
|
}
|
|
|
|
// size should be word-aligned
|
|
if ((size % 4) != 0) {
|
|
ERROR_LOG(GPU, "Invalid size 0x%08x", size);
|
|
return;
|
|
}
|
|
|
|
u32* src = (u32*)Memory::GetPointer(cmd_buff[0x4]);
|
|
|
|
while (size > 0) {
|
|
GPU::Write<u32>(reg_addr + 0x1EB00000, *src);
|
|
|
|
size -= 4;
|
|
++src;
|
|
reg_addr += 4;
|
|
}
|
|
}
|
|
|
|
/// Read a GSP GPU hardware register
|
|
void ReadHWRegs(Service::Interface* self) {
|
|
u32* cmd_buff = Service::GetCommandBuffer();
|
|
u32 reg_addr = cmd_buff[1];
|
|
u32 size = cmd_buff[2];
|
|
|
|
// TODO: Return proper error codes
|
|
if (reg_addr + size >= 0x420000) {
|
|
ERROR_LOG(GPU, "Read address out of range! (address=0x%08x, size=0x%08x)", reg_addr, size);
|
|
return;
|
|
}
|
|
|
|
// size should be word-aligned
|
|
if ((size % 4) != 0) {
|
|
ERROR_LOG(GPU, "Invalid size 0x%08x", size);
|
|
return;
|
|
}
|
|
|
|
u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
|
|
|
|
while (size > 0) {
|
|
GPU::Read<u32>(*dst, reg_addr + 0x1EB00000);
|
|
|
|
size -= 4;
|
|
++dst;
|
|
reg_addr += 4;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* GSP_GPU::RegisterInterruptRelayQueue service function
|
|
* Inputs:
|
|
* 1 : "Flags" field, purpose is unknown
|
|
* 3 : Handle to GSP synchronization event
|
|
* Outputs:
|
|
* 0 : Result of function, 0 on success, otherwise error code
|
|
* 2 : Thread index into GSP command buffer
|
|
* 4 : Handle to GSP shared memory
|
|
*/
|
|
void RegisterInterruptRelayQueue(Service::Interface* self) {
|
|
u32* cmd_buff = Service::GetCommandBuffer();
|
|
u32 flags = cmd_buff[1];
|
|
g_event = cmd_buff[3];
|
|
g_shared_memory = Kernel::CreateSharedMemory("GSPSharedMem");
|
|
|
|
_assert_msg_(GSP, (g_event != 0), "handle is not valid!");
|
|
|
|
cmd_buff[2] = g_thread_id++; // ThreadID
|
|
cmd_buff[4] = g_shared_memory; // GSP shared memory
|
|
|
|
Kernel::SignalEvent(GSP_GPU::g_event); // TODO(bunnei): Is this correct?
|
|
}
|
|
|
|
/**
|
|
* Signals that the specified interrupt type has occurred to userland code
|
|
* @param interrupt_id ID of interrupt that is being signalled
|
|
*/
|
|
void SignalInterrupt(InterruptId interrupt_id) {
|
|
if (0 == GSP_GPU::g_event) {
|
|
WARN_LOG(GSP, "cannot synchronize until GSP event has been created!");
|
|
return;
|
|
}
|
|
if (0 == g_shared_memory) {
|
|
WARN_LOG(GSP, "cannot synchronize until GSP shared memory has been created!");
|
|
return;
|
|
}
|
|
for (int thread_id = 0; thread_id < 0x4; ++thread_id) {
|
|
InterruptQueue* interrupt_queue = GetInterruptQueue(thread_id);
|
|
interrupt_queue->number_interrupts = interrupt_queue->number_interrupts + 1;
|
|
|
|
u8 next = interrupt_queue->index;
|
|
next += interrupt_queue->number_interrupts;
|
|
next = next % 0x34;
|
|
|
|
interrupt_queue->slot[next] = interrupt_id;
|
|
interrupt_queue->error_code = 0x0; // No error
|
|
}
|
|
Kernel::SignalEvent(GSP_GPU::g_event);
|
|
}
|
|
|
|
/// Executes the next GSP command
|
|
void ExecuteCommand(u32 thread_id, u32 command_index) {
|
|
|
|
// Utility function to convert register ID to address
|
|
auto WriteGPURegister = [](u32 id, u32 data) {
|
|
GPU::Write<u32>(0x1EF00000 + 4 * id, data);
|
|
};
|
|
|
|
CmdBufferHeader* header = (CmdBufferHeader*)GetCmdBufferPointer(thread_id);
|
|
auto& command = *(const Command*)GetCmdBufferPointer(thread_id, (command_index + 1) * 0x20);
|
|
|
|
g_debugger.GXCommandProcessed(GetCmdBufferPointer(thread_id, 0x20 + (header->index * 0x20)));
|
|
|
|
NOTICE_LOG(GSP, "decoding command 0x%08X", (int)command.id.Value());
|
|
|
|
switch (command.id) {
|
|
|
|
// GX request DMA - typically used for copying memory from GSP heap to VRAM
|
|
case CommandId::REQUEST_DMA:
|
|
memcpy(Memory::GetPointer(command.dma_request.dest_address),
|
|
Memory::GetPointer(command.dma_request.source_address),
|
|
command.dma_request.size);
|
|
break;
|
|
|
|
// ctrulib homebrew sends all relevant command list data with this command,
|
|
// hence we do all "interesting" stuff here and do nothing in SET_COMMAND_LIST_FIRST.
|
|
// TODO: This will need some rework in the future.
|
|
case CommandId::SET_COMMAND_LIST_LAST:
|
|
{
|
|
auto& params = command.set_command_list_last;
|
|
WriteGPURegister(GPU::Regs::CommandProcessor + 2, params.address >> 3);
|
|
WriteGPURegister(GPU::Regs::CommandProcessor, params.size >> 3);
|
|
WriteGPURegister(GPU::Regs::CommandProcessor + 4, 1); // TODO: Not sure if we are supposed to always write this .. seems to trigger processing though
|
|
|
|
// TODO: Move this to GPU
|
|
// TODO: Not sure what units the size is measured in
|
|
g_debugger.CommandListCalled(params.address,
|
|
(u32*)Memory::GetPointer(params.address),
|
|
params.size);
|
|
SignalInterrupt(InterruptId::P3D);
|
|
break;
|
|
}
|
|
|
|
// It's assumed that the two "blocks" behave equivalently.
|
|
// Presumably this is done simply to allow two memory fills to run in parallel.
|
|
case CommandId::SET_MEMORY_FILL:
|
|
{
|
|
auto& params = command.memory_fill;
|
|
WriteGPURegister(GPU::Regs::MemoryFill, params.start1 >> 3);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 1, params.end1 >> 3);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 2, params.end1 - params.start1);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 3, params.value1);
|
|
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 4, params.start2 >> 3);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 5, params.end2 >> 3);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 6, params.end2 - params.start2);
|
|
WriteGPURegister(GPU::Regs::MemoryFill + 7, params.value2);
|
|
break;
|
|
}
|
|
|
|
// TODO: Check if texture copies are implemented correctly..
|
|
case CommandId::SET_DISPLAY_TRANSFER:
|
|
// TODO(bunnei): Signalling all of these interrupts here is totally wrong, but it seems to
|
|
// work well enough for running demos. Need to figure out how these all work and trigger
|
|
// them correctly.
|
|
SignalInterrupt(InterruptId::PSC0);
|
|
SignalInterrupt(InterruptId::PSC1);
|
|
SignalInterrupt(InterruptId::PPF);
|
|
SignalInterrupt(InterruptId::P3D);
|
|
SignalInterrupt(InterruptId::DMA);
|
|
break;
|
|
|
|
case CommandId::SET_TEXTURE_COPY:
|
|
{
|
|
auto& params = command.image_copy;
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer, params.in_buffer_address >> 3);
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer + 1, params.out_buffer_address >> 3);
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer + 3, params.in_buffer_size);
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer + 2, params.out_buffer_size);
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer + 4, params.flags);
|
|
|
|
// TODO: Should this only be ORed with 1 for texture copies?
|
|
// trigger transfer
|
|
WriteGPURegister(GPU::Regs::DisplayTransfer + 6, 1);
|
|
break;
|
|
}
|
|
|
|
// TODO: Figure out what exactly SET_COMMAND_LIST_FIRST and SET_COMMAND_LIST_LAST
|
|
// are supposed to do.
|
|
case CommandId::SET_COMMAND_LIST_FIRST:
|
|
{
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ERROR_LOG(GSP, "unknown command 0x%08X", (int)command.id.Value());
|
|
}
|
|
|
|
header->number_commands = header->number_commands - 1; // Indicates that command has completed
|
|
}
|
|
|
|
/// This triggers handling of the GX command written to the command buffer in shared memory.
|
|
void TriggerCmdReqQueue(Service::Interface* self) {
|
|
|
|
// Iterate through each thread's command queue...
|
|
for (u32 thread_id = 0; thread_id < 0x4; ++thread_id) {
|
|
CmdBufferHeader* header = (CmdBufferHeader*)GetCmdBufferPointer(thread_id);
|
|
|
|
// Iterate through each command...
|
|
for (u32 command_index = 0; command_index < header->number_commands; ++command_index) {
|
|
ExecuteCommand(thread_id, command_index);
|
|
}
|
|
}
|
|
}
|
|
|
|
const Interface::FunctionInfo FunctionTable[] = {
|
|
{0x00010082, WriteHWRegs, "WriteHWRegs"},
|
|
{0x00020084, nullptr, "WriteHWRegsWithMask"},
|
|
{0x00030082, nullptr, "WriteHWRegRepeat"},
|
|
{0x00040080, ReadHWRegs, "ReadHWRegs"},
|
|
{0x00050200, nullptr, "SetBufferSwap"},
|
|
{0x00060082, nullptr, "SetCommandList"},
|
|
{0x000700C2, nullptr, "RequestDma"},
|
|
{0x00080082, nullptr, "FlushDataCache"},
|
|
{0x00090082, nullptr, "InvalidateDataCache"},
|
|
{0x000A0044, nullptr, "RegisterInterruptEvents"},
|
|
{0x000B0040, nullptr, "SetLcdForceBlack"},
|
|
{0x000C0000, TriggerCmdReqQueue, "TriggerCmdReqQueue"},
|
|
{0x000D0140, nullptr, "SetDisplayTransfer"},
|
|
{0x000E0180, nullptr, "SetTextureCopy"},
|
|
{0x000F0200, nullptr, "SetMemoryFill"},
|
|
{0x00100040, nullptr, "SetAxiConfigQoSMode"},
|
|
{0x00110040, nullptr, "SetPerfLogMode"},
|
|
{0x00120000, nullptr, "GetPerfLog"},
|
|
{0x00130042, RegisterInterruptRelayQueue, "RegisterInterruptRelayQueue"},
|
|
{0x00140000, nullptr, "UnregisterInterruptRelayQueue"},
|
|
{0x00150002, nullptr, "TryAcquireRight"},
|
|
{0x00160042, nullptr, "AcquireRight"},
|
|
{0x00170000, nullptr, "ReleaseRight"},
|
|
{0x00180000, nullptr, "ImportDisplayCaptureInfo"},
|
|
{0x00190000, nullptr, "SaveVramSysArea"},
|
|
{0x001A0000, nullptr, "RestoreVramSysArea"},
|
|
{0x001B0000, nullptr, "ResetGpuCore"},
|
|
{0x001C0040, nullptr, "SetLedForceOff"},
|
|
{0x001D0040, nullptr, "SetTestCommand"},
|
|
{0x001E0080, nullptr, "SetInternalPriorities"},
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Interface class
|
|
|
|
Interface::Interface() {
|
|
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
|
|
g_shared_memory = 0;
|
|
}
|
|
|
|
Interface::~Interface() {
|
|
}
|
|
|
|
} // namespace
|