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VideoCommon/CommandProcessor: Refactor to class, move to Core::System.

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This commit is contained in:
Admiral H. Curtiss 2022-11-27 13:50:50 +01:00
parent 44f8b8c100
commit 6941d2e7e6
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GPG Key ID: F051B4C4044F33FB
11 changed files with 271 additions and 198 deletions
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4
Source/Core/Core/HW/GPFifo.cpp
View File

@ -13,6 +13,7 @@
#include "Core/HW/ProcessorInterface.h"
#include "Core/PowerPC/JitInterface.h"
#include "Core/PowerPC/PowerPC.h"
#include "Core/System.h"
#include "VideoCommon/CommandProcessor.h"
namespace GPFifo
@ -103,7 +104,8 @@ void UpdateGatherPipe()
ProcessorInterface::Fifo_CPUWritePointer += GATHER_PIPE_SIZE;
}
CommandProcessor::GatherPipeBursted();
auto& system = Core::System::GetInstance();
system.GetCommandProcessor().GatherPipeBursted(system);
}
// move back the spill bytes

3
Source/Core/Core/HW/Memmap.cpp
View File

@ -130,7 +130,8 @@ static void InitMMIO(bool is_wii)
{
mmio_mapping = std::make_unique<MMIO::Mapping>();
CommandProcessor::RegisterMMIO(mmio_mapping.get(), 0x0C000000);
auto& system = Core::System::GetInstance();
system.GetCommandProcessor().RegisterMMIO(system, mmio_mapping.get(), 0x0C000000);
PixelEngine::RegisterMMIO(mmio_mapping.get(), 0x0C001000);
VideoInterface::RegisterMMIO(mmio_mapping.get(), 0x0C002000);
ProcessorInterface::RegisterMMIO(mmio_mapping.get(), 0x0C003000);

7
Source/Core/Core/System.cpp
View File

@ -17,6 +17,7 @@
#include "Core/HW/SI/SI.h"
#include "Core/HW/Sram.h"
#include "Core/HW/VideoInterface.h"
#include "VideoCommon/CommandProcessor.h"
namespace Core
{
@ -28,6 +29,7 @@ struct System::Impl
AudioInterface::AudioInterfaceState m_audio_interface_state;
CoreTiming::CoreTimingManager m_core_timing;
CommandProcessor::CommandProcessorManager m_command_processor;
DSP::DSPState m_dsp_state;
DVDInterface::DVDInterfaceState m_dvd_interface_state;
DVDThread::DVDThreadState m_dvd_thread_state;
@ -91,6 +93,11 @@ CoreTiming::CoreTimingManager& System::GetCoreTiming() const
return m_impl->m_core_timing;
}
CommandProcessor::CommandProcessorManager& System::GetCommandProcessor() const
{
return m_impl->m_command_processor;
}
DSP::DSPState& System::GetDSPState() const
{
return m_impl->m_dsp_state;

5
Source/Core/Core/System.h
View File

@ -12,6 +12,10 @@ namespace AudioInterface
{
class AudioInterfaceState;
};
namespace CommandProcessor
{
class CommandProcessorManager;
}
namespace CoreTiming
{
class CoreTimingManager;
@ -81,6 +85,7 @@ public:
AudioInterface::AudioInterfaceState& GetAudioInterfaceState() const;
CoreTiming::CoreTimingManager& GetCoreTiming() const;
CommandProcessor::CommandProcessorManager& GetCommandProcessor() const;
DSP::DSPState& GetDSPState() const;
DVDInterface::DVDInterfaceState& GetDVDInterfaceState() const;
DVDThread::DVDThreadState& GetDVDThreadState() const;

289
Source/Core/VideoCommon/CommandProcessor.cpp
View File

@ -23,35 +23,14 @@
namespace CommandProcessor
{
static CoreTiming::EventType* et_UpdateInterrupts;
// TODO(ector): Warn on bbox read/write
// STATE_TO_SAVE
SCPFifoStruct fifo;
static UCPStatusReg m_CPStatusReg;
static UCPCtrlReg m_CPCtrlReg;
static UCPClearReg m_CPClearReg;
static u16 m_bboxleft;
static u16 m_bboxtop;
static u16 m_bboxright;
static u16 m_bboxbottom;
static u16 m_tokenReg;
static Common::Flag s_interrupt_set;
static Common::Flag s_interrupt_waiting;
static bool s_is_fifo_error_seen = false;
static bool IsOnThread()
static bool IsOnThread(Core::System& system)
{
return Core::System::GetInstance().IsDualCoreMode();
return system.IsDualCoreMode();
}
static void UpdateInterrupts_Wrapper(Core::System& system, u64 userdata, s64 cyclesLate)
{
UpdateInterrupts(userdata);
system.GetCommandProcessor().UpdateInterrupts(system, userdata);
}
void SCPFifoStruct::Init()
@ -76,8 +55,6 @@ void SCPFifoStruct::Init()
bFF_HiWatermarkInt.store(0, std::memory_order_relaxed);
bFF_LoWatermark.store(0, std::memory_order_relaxed);
bFF_LoWatermarkInt.store(0, std::memory_order_relaxed);
s_is_fifo_error_seen = false;
}
void SCPFifoStruct::DoState(PointerWrap& p)
@ -105,20 +82,20 @@ void SCPFifoStruct::DoState(PointerWrap& p)
p.Do(bFF_HiWatermark);
}
void DoState(PointerWrap& p)
void CommandProcessorManager::DoState(PointerWrap& p)
{
p.Do(m_CPStatusReg);
p.Do(m_CPCtrlReg);
p.Do(m_CPClearReg);
p.Do(m_bboxleft);
p.Do(m_bboxtop);
p.Do(m_bboxright);
p.Do(m_bboxbottom);
p.Do(m_tokenReg);
fifo.DoState(p);
p.Do(m_cp_status_reg);
p.Do(m_cp_ctrl_reg);
p.Do(m_cp_clear_reg);
p.Do(m_bbox_left);
p.Do(m_bbox_top);
p.Do(m_bbox_right);
p.Do(m_bbox_bottom);
p.Do(m_token_reg);
m_fifo.DoState(p);
p.Do(s_interrupt_set);
p.Do(s_interrupt_waiting);
p.Do(m_interrupt_set);
p.Do(m_interrupt_waiting);
}
static inline void WriteHigh(std::atomic<u32>& reg, u16 highbits)
@ -127,30 +104,32 @@ static inline void WriteHigh(std::atomic<u32>& reg, u16 highbits)
std::memory_order_relaxed);
}
void Init()
void CommandProcessorManager::Init(Core::System& system)
{
m_CPStatusReg.Hex = 0;
m_CPStatusReg.CommandIdle = 1;
m_CPStatusReg.ReadIdle = 1;
m_cp_status_reg.Hex = 0;
m_cp_status_reg.CommandIdle = 1;
m_cp_status_reg.ReadIdle = 1;
m_CPCtrlReg.Hex = 0;
m_cp_ctrl_reg.Hex = 0;
m_CPClearReg.Hex = 0;
m_cp_clear_reg.Hex = 0;
m_bboxleft = 0;
m_bboxtop = 0;
m_bboxright = 640;
m_bboxbottom = 480;
m_bbox_left = 0;
m_bbox_top = 0;
m_bbox_right = 640;
m_bbox_bottom = 480;
m_tokenReg = 0;
m_token_reg = 0;
fifo.Init();
m_fifo.Init();
s_interrupt_set.Clear();
s_interrupt_waiting.Clear();
m_is_fifo_error_seen = false;
et_UpdateInterrupts = Core::System::GetInstance().GetCoreTiming().RegisterEvent(
"CPInterrupt", UpdateInterrupts_Wrapper);
m_interrupt_set.Clear();
m_interrupt_waiting.Clear();
m_event_type_update_interrupts =
system.GetCoreTiming().RegisterEvent("CPInterrupt", UpdateInterrupts_Wrapper);
}
u32 GetPhysicalAddressMask()
@ -160,13 +139,15 @@ u32 GetPhysicalAddressMask()
return SConfig::GetInstance().bWii ? 0x1fffffff : 0x03ffffff;
}
void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
void CommandProcessorManager::RegisterMMIO(Core::System& system, MMIO::Mapping* mmio, u32 base)
{
constexpr u16 WMASK_NONE = 0x0000;
constexpr u16 WMASK_ALL = 0xffff;
constexpr u16 WMASK_LO_ALIGN_32BIT = 0xffe0;
const u16 WMASK_HI_RESTRICT = GetPhysicalAddressMask() >> 16;
auto& fifo = m_fifo;
struct
{
u32 addr;
@ -177,13 +158,13 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
// For _HI registers in this range, only bits 0x03ff can be set on GCN and 0x1fff on Wii
u16 wmask;
} directly_mapped_vars[] = {
{FIFO_TOKEN_REGISTER, &m_tokenReg, false, WMASK_ALL},
{FIFO_TOKEN_REGISTER, &m_token_reg, false, WMASK_ALL},
// Bounding box registers are read only.
{FIFO_BOUNDING_BOX_LEFT, &m_bboxleft, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_RIGHT, &m_bboxright, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_TOP, &m_bboxtop, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_BOTTOM, &m_bboxbottom, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_LEFT, &m_bbox_left, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_RIGHT, &m_bbox_right, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_TOP, &m_bbox_top, true, WMASK_NONE},
{FIFO_BOUNDING_BOX_BOTTOM, &m_bbox_bottom, true, WMASK_NONE},
{FIFO_BASE_LO, MMIO::Utils::LowPart(&fifo.CPBase), false, WMASK_LO_ALIGN_32BIT},
{FIFO_BASE_HI, MMIO::Utils::HighPart(&fifo.CPBase), false, WMASK_HI_RESTRICT},
{FIFO_END_LO, MMIO::Utils::LowPart(&fifo.CPEnd), false, WMASK_LO_ALIGN_32BIT},
@ -240,37 +221,41 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
MMIO::InvalidWrite<u16>());
}
mmio->Register(base | STATUS_REGISTER, MMIO::ComplexRead<u16>([](Core::System&, u32) {
mmio->Register(base | STATUS_REGISTER, MMIO::ComplexRead<u16>([](Core::System& system, u32) {
auto& cp = system.GetCommandProcessor();
Fifo::SyncGPUForRegisterAccess();
SetCpStatusRegister();
return m_CPStatusReg.Hex;
cp.SetCpStatusRegister();
return cp.m_cp_status_reg.Hex;
}),
MMIO::InvalidWrite<u16>());
mmio->Register(base | CTRL_REGISTER, MMIO::DirectRead<u16>(&m_CPCtrlReg.Hex),
MMIO::ComplexWrite<u16>([](Core::System&, u32, u16 val) {
mmio->Register(base | CTRL_REGISTER, MMIO::DirectRead<u16>(&m_cp_ctrl_reg.Hex),
MMIO::ComplexWrite<u16>([](Core::System& system, u32, u16 val) {
auto& cp = system.GetCommandProcessor();
UCPCtrlReg tmp(val);
m_CPCtrlReg.Hex = tmp.Hex;
SetCpControlRegister();
cp.m_cp_ctrl_reg.Hex = tmp.Hex;
cp.SetCpControlRegister();
Fifo::RunGpu();
}));
mmio->Register(base | CLEAR_REGISTER, MMIO::DirectRead<u16>(&m_CPClearReg.Hex),
MMIO::ComplexWrite<u16>([](Core::System&, u32, u16 val) {
mmio->Register(base | CLEAR_REGISTER, MMIO::DirectRead<u16>(&m_cp_clear_reg.Hex),
MMIO::ComplexWrite<u16>([](Core::System& system, u32, u16 val) {
auto& cp = system.GetCommandProcessor();
UCPClearReg tmp(val);
m_CPClearReg.Hex = tmp.Hex;
SetCpClearRegister();
cp.m_cp_clear_reg.Hex = tmp.Hex;
cp.SetCpClearRegister();
Fifo::RunGpu();
}));
mmio->Register(base | PERF_SELECT, MMIO::InvalidRead<u16>(), MMIO::Nop<u16>());
// Some MMIOs have different handlers for single core vs. dual core mode.
const bool is_on_thread = IsOnThread();
const bool is_on_thread = IsOnThread(system);
MMIO::ReadHandlingMethod<u16>* fifo_rw_distance_lo_r;
if (is_on_thread)
{
fifo_rw_distance_lo_r = MMIO::ComplexRead<u16>([](Core::System&, u32) {
fifo_rw_distance_lo_r = MMIO::ComplexRead<u16>([](Core::System& system, u32) {
const auto& fifo = system.GetCommandProcessor().GetFifo();
if (fifo.CPWritePointer.load(std::memory_order_relaxed) >=
fifo.SafeCPReadPointer.load(std::memory_order_relaxed))
{
@ -297,7 +282,8 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
MMIO::ReadHandlingMethod<u16>* fifo_rw_distance_hi_r;
if (is_on_thread)
{
fifo_rw_distance_hi_r = MMIO::ComplexRead<u16>([](Core::System&, u32) {
fifo_rw_distance_hi_r = MMIO::ComplexRead<u16>([](Core::System& system, u32) {
const auto& fifo = system.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
if (fifo.CPWritePointer.load(std::memory_order_relaxed) >=
fifo.SafeCPReadPointer.load(std::memory_order_relaxed))
@ -318,13 +304,15 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
}
else
{
fifo_rw_distance_hi_r = MMIO::ComplexRead<u16>([](Core::System&, u32) {
fifo_rw_distance_hi_r = MMIO::ComplexRead<u16>([](Core::System& system, u32) {
const auto& fifo = system.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
return fifo.CPReadWriteDistance.load(std::memory_order_relaxed) >> 16;
});
}
mmio->Register(base | FIFO_RW_DISTANCE_HI, fifo_rw_distance_hi_r,
MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System&, u32, u16 val) {
MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System& system, u32, u16 val) {
auto& fifo = system.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
WriteHigh(fifo.CPReadWriteDistance, val & WMASK_HI_RESTRICT);
Fifo::RunGpu();
@ -340,11 +328,13 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
MMIO::WriteHandlingMethod<u16>* fifo_read_hi_w;
if (is_on_thread)
{
fifo_read_hi_r = MMIO::ComplexRead<u16>([](Core::System&, u32) {
fifo_read_hi_r = MMIO::ComplexRead<u16>([](Core::System& system, u32) {
auto& fifo = system.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
return fifo.SafeCPReadPointer.load(std::memory_order_relaxed) >> 16;
});
fifo_read_hi_w = MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System&, u32, u16 val) {
fifo_read_hi_w = MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System& sys, u32, u16 val) {
auto& fifo = sys.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
WriteHigh(fifo.CPReadPointer, val & WMASK_HI_RESTRICT);
fifo.SafeCPReadPointer.store(fifo.CPReadPointer.load(std::memory_order_relaxed),
@ -353,11 +343,13 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
}
else
{
fifo_read_hi_r = MMIO::ComplexRead<u16>([](Core::System&, u32) {
fifo_read_hi_r = MMIO::ComplexRead<u16>([](Core::System& system, u32) {
const auto& fifo = system.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
return fifo.CPReadPointer.load(std::memory_order_relaxed) >> 16;
});
fifo_read_hi_w = MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System&, u32, u16 val) {
fifo_read_hi_w = MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](Core::System& sys, u32, u16 val) {
auto& fifo = sys.GetCommandProcessor().GetFifo();
Fifo::SyncGPUForRegisterAccess();
WriteHigh(fifo.CPReadPointer, val & WMASK_HI_RESTRICT);
});
@ -365,14 +357,16 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
mmio->Register(base | FIFO_READ_POINTER_HI, fifo_read_hi_r, fifo_read_hi_w);
}
void GatherPipeBursted()
void CommandProcessorManager::GatherPipeBursted(Core::System& system)
{
SetCPStatusFromCPU();
auto& fifo = m_fifo;
SetCPStatusFromCPU(system);
// if we aren't linked, we don't care about gather pipe data
if (!m_CPCtrlReg.GPLinkEnable)
if (!m_cp_ctrl_reg.GPLinkEnable)
{
if (IsOnThread() && !Fifo::UseDeterministicGPUThread())
if (IsOnThread(system) && !Fifo::UseDeterministicGPUThread())
{
// In multibuffer mode is not allowed write in the same FIFO attached to the GPU.
// Fix Pokemon XD in DC mode.
@ -398,7 +392,7 @@ void GatherPipeBursted()
fifo.CPWritePointer.fetch_add(GPFifo::GATHER_PIPE_SIZE, std::memory_order_relaxed);
}
if (m_CPCtrlReg.GPReadEnable && m_CPCtrlReg.GPLinkEnable)
if (m_cp_ctrl_reg.GPReadEnable && m_cp_ctrl_reg.GPLinkEnable)
{
ProcessorInterface::Fifo_CPUWritePointer = fifo.CPWritePointer.load(std::memory_order_relaxed);
ProcessorInterface::Fifo_CPUBase = fifo.CPBase.load(std::memory_order_relaxed);
@ -407,7 +401,7 @@ void GatherPipeBursted()
// If the game is running close to overflowing, make the exception checking more frequent.
if (fifo.bFF_HiWatermark.load(std::memory_order_relaxed) != 0)
Core::System::GetInstance().GetCoreTiming().ForceExceptionCheck(0);
system.GetCoreTiming().ForceExceptionCheck(0);
fifo.CPReadWriteDistance.fetch_add(GPFifo::GATHER_PIPE_SIZE, std::memory_order_seq_cst);
@ -432,41 +426,43 @@ void GatherPipeBursted()
"FIFOs linked but out of sync");
}
void UpdateInterrupts(u64 userdata)
void CommandProcessorManager::UpdateInterrupts(Core::System& system, u64 userdata)
{
if (userdata)
{
s_interrupt_set.Set();
m_interrupt_set.Set();
DEBUG_LOG_FMT(COMMANDPROCESSOR, "Interrupt set");
ProcessorInterface::SetInterrupt(INT_CAUSE_CP, true);
}
else
{
s_interrupt_set.Clear();
m_interrupt_set.Clear();
DEBUG_LOG_FMT(COMMANDPROCESSOR, "Interrupt cleared");
ProcessorInterface::SetInterrupt(INT_CAUSE_CP, false);
}
Core::System::GetInstance().GetCoreTiming().ForceExceptionCheck(0);
s_interrupt_waiting.Clear();
system.GetCoreTiming().ForceExceptionCheck(0);
m_interrupt_waiting.Clear();
Fifo::RunGpu();
}
void UpdateInterruptsFromVideoBackend(u64 userdata)
void CommandProcessorManager::UpdateInterruptsFromVideoBackend(Core::System& system, u64 userdata)
{
if (!Fifo::UseDeterministicGPUThread())
{
Core::System::GetInstance().GetCoreTiming().ScheduleEvent(0, et_UpdateInterrupts, userdata,
CoreTiming::FromThread::NON_CPU);
system.GetCoreTiming().ScheduleEvent(0, m_event_type_update_interrupts, userdata,
CoreTiming::FromThread::NON_CPU);
}
}
bool IsInterruptWaiting()
bool CommandProcessorManager::IsInterruptWaiting() const
{
return s_interrupt_waiting.IsSet();
return m_interrupt_waiting.IsSet();
}
void SetCPStatusFromGPU()
void CommandProcessorManager::SetCPStatusFromGPU(Core::System& system)
{
auto& fifo = m_fifo;
// breakpoint
const bool breakpoint = fifo.bFF_Breakpoint.load(std::memory_order_relaxed);
if (fifo.bFF_BPEnable.load(std::memory_order_relaxed) != 0)
@ -516,29 +512,31 @@ void SetCPStatusFromGPU()
bool undfInt = fifo.bFF_LoWatermark.load(std::memory_order_relaxed) &&
fifo.bFF_LoWatermarkInt.load(std::memory_order_relaxed);
bool interrupt = (bpInt || ovfInt || undfInt) && m_CPCtrlReg.GPReadEnable;
bool interrupt = (bpInt || ovfInt || undfInt) && m_cp_ctrl_reg.GPReadEnable;
if (interrupt != s_interrupt_set.IsSet() && !s_interrupt_waiting.IsSet())
if (interrupt != m_interrupt_set.IsSet() && !m_interrupt_waiting.IsSet())
{
u64 userdata = interrupt ? 1 : 0;
if (IsOnThread())
if (IsOnThread(system))
{
if (!interrupt || bpInt || undfInt || ovfInt)
{
// Schedule the interrupt asynchronously
s_interrupt_waiting.Set();
CommandProcessor::UpdateInterruptsFromVideoBackend(userdata);
m_interrupt_waiting.Set();
UpdateInterruptsFromVideoBackend(system, userdata);
}
}
else
{
CommandProcessor::UpdateInterrupts(userdata);
UpdateInterrupts(system, userdata);
}
}
}
void SetCPStatusFromCPU()
void CommandProcessorManager::SetCPStatusFromCPU(Core::System& system)
{
auto& fifo = m_fifo;
// overflow & underflow check
fifo.bFF_HiWatermark.store(
(fifo.CPReadWriteDistance.load(std::memory_order_relaxed) > fifo.CPHiWatermark),
@ -554,83 +552,90 @@ void SetCPStatusFromCPU()
bool undfInt = fifo.bFF_LoWatermark.load(std::memory_order_relaxed) &&
fifo.bFF_LoWatermarkInt.load(std::memory_order_relaxed);
bool interrupt = (bpInt || ovfInt || undfInt) && m_CPCtrlReg.GPReadEnable;
bool interrupt = (bpInt || ovfInt || undfInt) && m_cp_ctrl_reg.GPReadEnable;
if (interrupt != s_interrupt_set.IsSet() && !s_interrupt_waiting.IsSet())
if (interrupt != m_interrupt_set.IsSet() && !m_interrupt_waiting.IsSet())
{
u64 userdata = interrupt ? 1 : 0;
if (IsOnThread())
if (IsOnThread(system))
{
if (!interrupt || bpInt || undfInt || ovfInt)
{
s_interrupt_set.Set(interrupt);
m_interrupt_set.Set(interrupt);
DEBUG_LOG_FMT(COMMANDPROCESSOR, "Interrupt set");
ProcessorInterface::SetInterrupt(INT_CAUSE_CP, interrupt);
}
}
else
{
CommandProcessor::UpdateInterrupts(userdata);
UpdateInterrupts(system, userdata);
}
}
}
void SetCpStatusRegister()
void CommandProcessorManager::SetCpStatusRegister()
{
// Here always there is one fifo attached to the GPU
m_CPStatusReg.Breakpoint = fifo.bFF_Breakpoint.load(std::memory_order_relaxed);
m_CPStatusReg.ReadIdle = !fifo.CPReadWriteDistance.load(std::memory_order_relaxed) ||
(fifo.CPReadPointer.load(std::memory_order_relaxed) ==
fifo.CPWritePointer.load(std::memory_order_relaxed));
m_CPStatusReg.CommandIdle = !fifo.CPReadWriteDistance.load(std::memory_order_relaxed) ||
Fifo::AtBreakpoint() ||
!fifo.bFF_GPReadEnable.load(std::memory_order_relaxed);
m_CPStatusReg.UnderflowLoWatermark = fifo.bFF_LoWatermark.load(std::memory_order_relaxed);
m_CPStatusReg.OverflowHiWatermark = fifo.bFF_HiWatermark.load(std::memory_order_relaxed);
const auto& fifo = m_fifo;
DEBUG_LOG_FMT(COMMANDPROCESSOR, "\t Read from STATUS_REGISTER : {:04x}", m_CPStatusReg.Hex);
DEBUG_LOG_FMT(
COMMANDPROCESSOR, "(r) status: iBP {} | fReadIdle {} | fCmdIdle {} | iOvF {} | iUndF {}",
m_CPStatusReg.Breakpoint ? "ON" : "OFF", m_CPStatusReg.ReadIdle ? "ON" : "OFF",
m_CPStatusReg.CommandIdle ? "ON" : "OFF", m_CPStatusReg.OverflowHiWatermark ? "ON" : "OFF",
m_CPStatusReg.UnderflowLoWatermark ? "ON" : "OFF");
// Here always there is one fifo attached to the GPU
m_cp_status_reg.Breakpoint = fifo.bFF_Breakpoint.load(std::memory_order_relaxed);
m_cp_status_reg.ReadIdle = !fifo.CPReadWriteDistance.load(std::memory_order_relaxed) ||
(fifo.CPReadPointer.load(std::memory_order_relaxed) ==
fifo.CPWritePointer.load(std::memory_order_relaxed));
m_cp_status_reg.CommandIdle = !fifo.CPReadWriteDistance.load(std::memory_order_relaxed) ||
Fifo::AtBreakpoint() ||
!fifo.bFF_GPReadEnable.load(std::memory_order_relaxed);
m_cp_status_reg.UnderflowLoWatermark = fifo.bFF_LoWatermark.load(std::memory_order_relaxed);
m_cp_status_reg.OverflowHiWatermark = fifo.bFF_HiWatermark.load(std::memory_order_relaxed);
DEBUG_LOG_FMT(COMMANDPROCESSOR, "\t Read from STATUS_REGISTER : {:04x}", m_cp_status_reg.Hex);
DEBUG_LOG_FMT(COMMANDPROCESSOR,
"(r) status: iBP {} | fReadIdle {} | fCmdIdle {} | iOvF {} | iUndF {}",
m_cp_status_reg.Breakpoint ? "ON" : "OFF", m_cp_status_reg.ReadIdle ? "ON" : "OFF",
m_cp_status_reg.CommandIdle ? "ON" : "OFF",
m_cp_status_reg.OverflowHiWatermark ? "ON" : "OFF",
m_cp_status_reg.UnderflowLoWatermark ? "ON" : "OFF");
}
void SetCpControlRegister()
void CommandProcessorManager::SetCpControlRegister()
{
fifo.bFF_BPInt.store(m_CPCtrlReg.BPInt, std::memory_order_relaxed);
fifo.bFF_BPEnable.store(m_CPCtrlReg.BPEnable, std::memory_order_relaxed);
fifo.bFF_HiWatermarkInt.store(m_CPCtrlReg.FifoOverflowIntEnable, std::memory_order_relaxed);
fifo.bFF_LoWatermarkInt.store(m_CPCtrlReg.FifoUnderflowIntEnable, std::memory_order_relaxed);
fifo.bFF_GPLinkEnable.store(m_CPCtrlReg.GPLinkEnable, std::memory_order_relaxed);
auto& fifo = m_fifo;
if (fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) && !m_CPCtrlReg.GPReadEnable)
fifo.bFF_BPInt.store(m_cp_ctrl_reg.BPInt, std::memory_order_relaxed);
fifo.bFF_BPEnable.store(m_cp_ctrl_reg.BPEnable, std::memory_order_relaxed);
fifo.bFF_HiWatermarkInt.store(m_cp_ctrl_reg.FifoOverflowIntEnable, std::memory_order_relaxed);
fifo.bFF_LoWatermarkInt.store(m_cp_ctrl_reg.FifoUnderflowIntEnable, std::memory_order_relaxed);
fifo.bFF_GPLinkEnable.store(m_cp_ctrl_reg.GPLinkEnable, std::memory_order_relaxed);
if (fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) && !m_cp_ctrl_reg.GPReadEnable)
{
fifo.bFF_GPReadEnable.store(m_CPCtrlReg.GPReadEnable, std::memory_order_relaxed);
fifo.bFF_GPReadEnable.store(m_cp_ctrl_reg.GPReadEnable, std::memory_order_relaxed);
Fifo::FlushGpu();
}
else
{
fifo.bFF_GPReadEnable = m_CPCtrlReg.GPReadEnable;
fifo.bFF_GPReadEnable = m_cp_ctrl_reg.GPReadEnable;
}
DEBUG_LOG_FMT(COMMANDPROCESSOR, "\t GPREAD {} | BP {} | Int {} | OvF {} | UndF {} | LINK {}",
fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) ? "ON" : "OFF",
fifo.bFF_BPEnable.load(std::memory_order_relaxed) ? "ON" : "OFF",
fifo.bFF_BPInt.load(std::memory_order_relaxed) ? "ON" : "OFF",
m_CPCtrlReg.FifoOverflowIntEnable ? "ON" : "OFF",
m_CPCtrlReg.FifoUnderflowIntEnable ? "ON" : "OFF",
m_CPCtrlReg.GPLinkEnable ? "ON" : "OFF");
m_cp_ctrl_reg.FifoOverflowIntEnable ? "ON" : "OFF",
m_cp_ctrl_reg.FifoUnderflowIntEnable ? "ON" : "OFF",
m_cp_ctrl_reg.GPLinkEnable ? "ON" : "OFF");
}
// NOTE: We intentionally don't emulate this function at the moment.
// We don't emulate proper GP timing anyway at the moment, so it would just slow down emulation.
void SetCpClearRegister()
void CommandProcessorManager::SetCpClearRegister()
{
}
void HandleUnknownOpcode(u8 cmd_byte, const u8* buffer, bool preprocess)
void CommandProcessorManager::HandleUnknownOpcode(u8 cmd_byte, const u8* buffer, bool preprocess)
{
const auto& fifo = m_fifo;
// Datel software uses 0x01 during startup, and Mario Party 5's Wiggler capsule accidentally uses
// 0x01-0x03 due to sending 4 more vertices than intended (see https://dolp.in/i8104).
// Prince of Persia: Rival Swords sends 0x3f if the home menu is opened during the intro cutscene
@ -678,9 +683,9 @@ void HandleUnknownOpcode(u8 cmd_byte, const u8* buffer, bool preprocess)
fifo.bFF_HiWatermarkInt.load(std::memory_order_relaxed) ? "true" : "false",
fifo.bFF_LoWatermarkInt.load(std::memory_order_relaxed) ? "true" : "false", PC, LR);
if (!s_is_fifo_error_seen && !suppress_panic_alert)
if (!m_is_fifo_error_seen && !suppress_panic_alert)
{
s_is_fifo_error_seen = true;
m_is_fifo_error_seen = true;
// TODO(Omega): Maybe dump FIFO to file on this error
PanicAlertFmtT("GFX FIFO: Unknown Opcode ({0:#04x} @ {1}, preprocess={2}).\n"

113
Source/Core/VideoCommon/CommandProcessor.h
View File

@ -6,48 +6,53 @@
#include <atomic>
#include "Common/CommonTypes.h"
#include "Common/Flag.h"
class PointerWrap;
namespace MMIO
{
class Mapping;
}
namespace Core
{
class System;
}
namespace CoreTiming
{
struct EventType;
}
namespace CommandProcessor
{
struct SCPFifoStruct
{
// fifo registers
std::atomic<u32> CPBase;
std::atomic<u32> CPEnd;
std::atomic<u32> CPBase = 0;
std::atomic<u32> CPEnd = 0;
u32 CPHiWatermark = 0;
u32 CPLoWatermark = 0;
std::atomic<u32> CPReadWriteDistance;
std::atomic<u32> CPWritePointer;
std::atomic<u32> CPReadPointer;
std::atomic<u32> CPBreakpoint;
std::atomic<u32> SafeCPReadPointer;
std::atomic<u32> CPReadWriteDistance = 0;
std::atomic<u32> CPWritePointer = 0;
std::atomic<u32> CPReadPointer = 0;
std::atomic<u32> CPBreakpoint = 0;
std::atomic<u32> SafeCPReadPointer = 0;
std::atomic<u32> bFF_GPLinkEnable;
std::atomic<u32> bFF_GPReadEnable;
std::atomic<u32> bFF_BPEnable;
std::atomic<u32> bFF_BPInt;
std::atomic<u32> bFF_Breakpoint;
std::atomic<u32> bFF_GPLinkEnable = 0;
std::atomic<u32> bFF_GPReadEnable = 0;
std::atomic<u32> bFF_BPEnable = 0;
std::atomic<u32> bFF_BPInt = 0;
std::atomic<u32> bFF_Breakpoint = 0;
std::atomic<u32> bFF_LoWatermarkInt;
std::atomic<u32> bFF_HiWatermarkInt;
std::atomic<u32> bFF_LoWatermarkInt = 0;
std::atomic<u32> bFF_HiWatermarkInt = 0;
std::atomic<u32> bFF_LoWatermark;
std::atomic<u32> bFF_HiWatermark;
std::atomic<u32> bFF_LoWatermark = 0;
std::atomic<u32> bFF_HiWatermark = 0;
void Init();
void DoState(PointerWrap& p);
};
// This one is shared between gfx thread and emulator thread.
// It is only used by the Fifo and by the CommandProcessor.
extern SCPFifoStruct fifo;
// internal hardware addresses
enum
{
@ -150,26 +155,54 @@ union UCPClearReg
UCPClearReg(u16 _hex) { Hex = _hex; }
};
// Init
void Init();
void DoState(PointerWrap& p);
void RegisterMMIO(MMIO::Mapping* mmio, u32 base);
void SetCPStatusFromGPU();
void SetCPStatusFromCPU();
void GatherPipeBursted();
void UpdateInterrupts(u64 userdata);
void UpdateInterruptsFromVideoBackend(u64 userdata);
bool IsInterruptWaiting();
void SetCpClearRegister();
void SetCpControlRegister();
void SetCpStatusRegister();
void HandleUnknownOpcode(u8 cmd_byte, const u8* buffer, bool preprocess);
u32 GetPhysicalAddressMask();
class CommandProcessorManager
{
public:
void Init(Core::System& system);
void DoState(PointerWrap& p);
void RegisterMMIO(Core::System& system, MMIO::Mapping* mmio, u32 base);
void SetCPStatusFromGPU(Core::System& system);
void SetCPStatusFromCPU(Core::System& system);
void GatherPipeBursted(Core::System& system);
void UpdateInterrupts(Core::System& system, u64 userdata);
void UpdateInterruptsFromVideoBackend(Core::System& system, u64 userdata);
bool IsInterruptWaiting() const;
void SetCpClearRegister();
void SetCpControlRegister();
void SetCpStatusRegister();
void HandleUnknownOpcode(u8 cmd_byte, const u8* buffer, bool preprocess);
// This one is shared between gfx thread and emulator thread.
// It is only used by the Fifo and by the CommandProcessor.
SCPFifoStruct& GetFifo() { return m_fifo; }
private:
SCPFifoStruct m_fifo;
CoreTiming::EventType* m_event_type_update_interrupts = nullptr;
// STATE_TO_SAVE
UCPStatusReg m_cp_status_reg;
UCPCtrlReg m_cp_ctrl_reg;
UCPClearReg m_cp_clear_reg;
u16 m_bbox_left = 0;
u16 m_bbox_top = 0;
u16 m_bbox_right = 0;
u16 m_bbox_bottom = 0;
u16 m_token_reg = 0;
Common::Flag m_interrupt_set;
Common::Flag m_interrupt_waiting;
bool m_is_fifo_error_seen = false;
};
} // namespace CommandProcessor

26
Source/Core/VideoCommon/Fifo.cpp
View File

@ -163,8 +163,12 @@ void Shutdown()
// Created to allow for self shutdown.
void ExitGpuLoop()
{
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
// This should break the wait loop in CPU thread
CommandProcessor::fifo.bFF_GPReadEnable.store(0, std::memory_order_relaxed);
fifo.bFF_GPReadEnable.store(0, std::memory_order_relaxed);
FlushGpu();
// Terminate GPU thread loop
@ -347,11 +351,13 @@ void RunGpuLoop()
}
else
{
CommandProcessor::SCPFifoStruct& fifo = CommandProcessor::fifo;
CommandProcessor::SetCPStatusFromGPU();
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
command_processor.SetCPStatusFromGPU(system);
// check if we are able to run this buffer
while (!CommandProcessor::IsInterruptWaiting() &&
while (!command_processor.IsInterruptWaiting() &&
fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) &&
fifo.CPReadWriteDistance.load(std::memory_order_relaxed) && !AtBreakpoint())
{
@ -387,7 +393,7 @@ void RunGpuLoop()
std::memory_order_relaxed);
}
CommandProcessor::SetCPStatusFromGPU();
command_processor.SetCPStatusFromGPU(system);
if (s_config_sync_gpu)
{
@ -440,7 +446,9 @@ void GpuMaySleep()
bool AtBreakpoint()
{
CommandProcessor::SCPFifoStruct& fifo = CommandProcessor::fifo;
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
const auto& fifo = command_processor.GetFifo();
return fifo.bFF_BPEnable.load(std::memory_order_relaxed) &&
(fifo.CPReadPointer.load(std::memory_order_relaxed) ==
fifo.CPBreakpoint.load(std::memory_order_relaxed));
@ -471,7 +479,9 @@ void RunGpu()
static int RunGpuOnCpu(int ticks)
{
CommandProcessor::SCPFifoStruct& fifo = CommandProcessor::fifo;
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
bool reset_simd_state = false;
int available_ticks = int(ticks * s_config_sync_gpu_overclock) + s_sync_ticks.load();
while (fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) &&
@ -512,7 +522,7 @@ static int RunGpuOnCpu(int ticks)
fifo.CPReadWriteDistance.fetch_sub(GPFifo::GATHER_PIPE_SIZE, std::memory_order_relaxed);
}
CommandProcessor::SetCPStatusFromGPU();
command_processor.SetCPStatusFromGPU(system);
if (reset_simd_state)
{

4
Source/Core/VideoCommon/OpcodeDecoding.cpp
View File

@ -18,6 +18,7 @@
#include "Common/Logging/Log.h"
#include "Core/FifoPlayer/FifoRecorder.h"
#include "Core/HW/Memmap.h"
#include "Core/System.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/CommandProcessor.h"
@ -207,7 +208,8 @@ public:
}
else
{
CommandProcessor::HandleUnknownOpcode(opcode, data, is_preprocess);
Core::System::GetInstance().GetCommandProcessor().HandleUnknownOpcode(opcode, data,
is_preprocess);
m_cycles += 1;
}
}

9
Source/Core/VideoCommon/RenderBase.cpp
View File

@ -51,6 +51,7 @@
#include "Core/HW/VideoInterface.h"
#include "Core/Host.h"
#include "Core/Movie.h"
#include "Core/System.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
@ -1007,9 +1008,11 @@ void Renderer::CheckFifoRecording()
RecordVideoMemory();
}
FifoRecorder::GetInstance().EndFrame(
CommandProcessor::fifo.CPBase.load(std::memory_order_relaxed),
CommandProcessor::fifo.CPEnd.load(std::memory_order_relaxed));
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
const auto& fifo = command_processor.GetFifo();
FifoRecorder::GetInstance().EndFrame(fifo.CPBase.load(std::memory_order_relaxed),
fifo.CPEnd.load(std::memory_order_relaxed));
}
void Renderer::RecordVideoMemory()

4
Source/Core/VideoCommon/VideoBackendBase.cpp
View File

@ -316,7 +316,9 @@ void VideoBackendBase::InitializeShared()
// do not initialize again for the config window
m_initialized = true;
CommandProcessor::Init();
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
command_processor.Init(system);
Fifo::Init();
PixelEngine::Init();
BPInit();

5
Source/Core/VideoCommon/VideoState.cpp
View File

@ -6,6 +6,7 @@
#include <cstring>
#include "Common/ChunkFile.h"
#include "Core/System.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/CommandProcessor.h"
@ -62,7 +63,9 @@ void VideoCommon_DoState(PointerWrap& p)
Fifo::DoState(p);
p.DoMarker("Fifo");
CommandProcessor::DoState(p);
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
command_processor.DoState(p);
p.DoMarker("CommandProcessor");
PixelEngine::DoState(p);