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Lime3DS/src/core/hle/service/gsp_gpu.cpp
Yuri Kunde Schlesner d553135748 Memory: Add function to flush a virtual range from the rasterizer cache 
This is slightly more ergonomic to use, correctly handles virtual
regions which are disjoint in physical addressing space, and checks only
regions which can be cached by the rasterizer.
2017-06-21 22:57:12 -07:00

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/bit_field.h"
#include "common/microprofile.h"
#include "core/core.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/result.h"
#include "core/hle/service/gsp_gpu.h"
#include "core/hw/gpu.h"
#include "core/hw/hw.h"
#include "core/hw/lcd.h"
#include "core/memory.h"
#include "video_core/debug_utils/debug_utils.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 Service {
namespace GSP {
// Beginning address of HW regs
const u32 REGS_BEGIN = 0x1EB00000;
namespace ErrCodes {
enum {
// TODO(purpasmart): Check if this name fits its actual usage
OutofRangeOrMisalignedAddress = 513,
FirstInitialization = 519,
};
}
constexpr ResultCode RESULT_FIRST_INITIALIZATION(ErrCodes::FirstInitialization, ErrorModule::GX,
ErrorSummary::Success, ErrorLevel::Success);
constexpr ResultCode ERR_REGS_OUTOFRANGE_OR_MISALIGNED(ErrCodes::OutofRangeOrMisalignedAddress,
ErrorModule::GX,
ErrorSummary::InvalidArgument,
ErrorLevel::Usage); // 0xE0E02A01
constexpr ResultCode ERR_REGS_MISALIGNED(ErrorDescription::MisalignedSize, ErrorModule::GX,
ErrorSummary::InvalidArgument,
ErrorLevel::Usage); // 0xE0E02BF2
constexpr ResultCode ERR_REGS_INVALID_SIZE(ErrorDescription::InvalidSize, ErrorModule::GX,
ErrorSummary::InvalidArgument,
ErrorLevel::Usage); // 0xE0E02BEC
/// Event triggered when GSP interrupt has been signalled
Kernel::SharedPtr<Kernel::Event> g_interrupt_event;
/// GSP shared memoryings
Kernel::SharedPtr<Kernel::SharedMemory> g_shared_memory;
/// Thread index into interrupt relay queue
u32 g_thread_id = 0;
static bool gpu_right_acquired = false;
static bool first_initialization = true;
/// Gets a pointer to a thread command buffer in GSP shared memory
static inline u8* GetCommandBuffer(u32 thread_id) {
return g_shared_memory->GetPointer(0x800 + (thread_id * sizeof(CommandBuffer)));
}
FrameBufferUpdate* GetFrameBufferInfo(u32 thread_id, u32 screen_index) {
DEBUG_ASSERT_MSG(screen_index < 2, "Invalid screen index");
// For each thread there are two FrameBufferUpdate fields
u32 offset = 0x200 + (2 * thread_id + screen_index) * sizeof(FrameBufferUpdate);
u8* ptr = g_shared_memory->GetPointer(offset);
return reinterpret_cast<FrameBufferUpdate*>(ptr);
}
/// Gets a pointer to the interrupt relay queue for a given thread index
static inline InterruptRelayQueue* GetInterruptRelayQueue(u32 thread_id) {
u8* ptr = g_shared_memory->GetPointer(sizeof(InterruptRelayQueue) * thread_id);
return reinterpret_cast<InterruptRelayQueue*>(ptr);
}
/**
* Writes a single GSP GPU hardware registers with a single u32 value
* (For internal use.)
*
* @param base_address The address of the register in question
* @param data Data to be written
*/
static void WriteSingleHWReg(u32 base_address, u32 data) {
DEBUG_ASSERT_MSG((base_address & 3) == 0 && base_address < 0x420000,
"Write address out of range or misaligned");
HW::Write<u32>(base_address + REGS_BEGIN, data);
}
/**
* Writes sequential GSP GPU hardware registers using an array of source data
*
* @param base_address The address of the first register in the sequence
* @param size_in_bytes The number of registers to update (size of data)
* @param data_vaddr A pointer to the source data
* @return RESULT_SUCCESS if the parameters are valid, error code otherwise
*/
static ResultCode WriteHWRegs(u32 base_address, u32 size_in_bytes, VAddr data_vaddr) {
// This magic number is verified to be done by the gsp module
const u32 max_size_in_bytes = 0x80;
if (base_address & 3 || base_address >= 0x420000) {
LOG_ERROR(Service_GSP,
"Write address was out of range or misaligned! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return ERR_REGS_OUTOFRANGE_OR_MISALIGNED;
} else if (size_in_bytes <= max_size_in_bytes) {
if (size_in_bytes & 3) {
LOG_ERROR(Service_GSP, "Misaligned size 0x%08x", size_in_bytes);
return ERR_REGS_MISALIGNED;
} else {
while (size_in_bytes > 0) {
WriteSingleHWReg(base_address, Memory::Read32(data_vaddr));
size_in_bytes -= 4;
data_vaddr += 4;
base_address += 4;
}
return RESULT_SUCCESS;
}
} else {
LOG_ERROR(Service_GSP, "Out of range size 0x%08x", size_in_bytes);
return ERR_REGS_INVALID_SIZE;
}
}
/**
* Updates sequential GSP GPU hardware registers using parallel arrays of source data and masks.
* For each register, the value is updated only where the mask is high
*
* @param base_address The address of the first register in the sequence
* @param size_in_bytes The number of registers to update (size of data)
* @param data_vaddr A virtual address to the source data to use for updates
* @param masks_vaddr A virtual address to the masks
* @return RESULT_SUCCESS if the parameters are valid, error code otherwise
*/
static ResultCode WriteHWRegsWithMask(u32 base_address, u32 size_in_bytes, VAddr data_vaddr,
VAddr masks_vaddr) {
// This magic number is verified to be done by the gsp module
const u32 max_size_in_bytes = 0x80;
if (base_address & 3 || base_address >= 0x420000) {
LOG_ERROR(Service_GSP,
"Write address was out of range or misaligned! (address=0x%08x, size=0x%08x)",
base_address, size_in_bytes);
return ERR_REGS_OUTOFRANGE_OR_MISALIGNED;
} else if (size_in_bytes <= max_size_in_bytes) {
if (size_in_bytes & 3) {
LOG_ERROR(Service_GSP, "Misaligned size 0x%08x", size_in_bytes);
return ERR_REGS_MISALIGNED;
} else {
while (size_in_bytes > 0) {
const u32 reg_address = base_address + REGS_BEGIN;
u32 reg_value;
HW::Read<u32>(reg_value, reg_address);
u32 data = Memory::Read32(data_vaddr);
u32 mask = Memory::Read32(masks_vaddr);
// Update the current value of the register only for set mask bits
reg_value = (reg_value & ~mask) | (data & mask);
WriteSingleHWReg(base_address, reg_value);
size_in_bytes -= 4;
data_vaddr += 4;
masks_vaddr += 4;
base_address += 4;
}
return RESULT_SUCCESS;
}
} else {
LOG_ERROR(Service_GSP, "Out of range size 0x%08x", size_in_bytes);
return ERR_REGS_INVALID_SIZE;
}
}
/**
* GSP_GPU::WriteHWRegs service function
*
* Writes sequential GSP GPU hardware registers
*
* Inputs:
* 1 : address of first GPU register
* 2 : number of registers to write sequentially
* 4 : pointer to source data array
*/
static void WriteHWRegs(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
VAddr src = cmd_buff[4];
cmd_buff[1] = WriteHWRegs(reg_addr, size, src).raw;
}
/**
* GSP_GPU::WriteHWRegsWithMask service function
*
* Updates sequential GSP GPU hardware registers using masks
*
* Inputs:
* 1 : address of first GPU register
* 2 : number of registers to update sequentially
* 4 : pointer to source data array
* 6 : pointer to mask array
*/
static void WriteHWRegsWithMask(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
VAddr src_data = cmd_buff[4];
VAddr mask_data = cmd_buff[6];
cmd_buff[1] = WriteHWRegsWithMask(reg_addr, size, src_data, mask_data).raw;
}
/// Read a GSP GPU hardware register
static void ReadHWRegs(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
// TODO: Return proper error codes
if (reg_addr + size >= 0x420000) {
LOG_ERROR(Service_GSP, "Read address out of range! (address=0x%08x, size=0x%08x)", reg_addr,
size);
return;
}
// size should be word-aligned
if ((size % 4) != 0) {
LOG_ERROR(Service_GSP, "Invalid size 0x%08x", size);
return;
}
VAddr dst_vaddr = cmd_buff[0x41];
while (size > 0) {
u32 value;
HW::Read<u32>(value, reg_addr + REGS_BEGIN);
Memory::Write32(dst_vaddr, value);
size -= 4;
dst_vaddr += 4;
reg_addr += 4;
}
}
ResultCode SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
u32 base_address = 0x400000;
PAddr phys_address_left = Memory::VirtualToPhysicalAddress(info.address_left);
PAddr phys_address_right = Memory::VirtualToPhysicalAddress(info.address_right);
if (info.active_fb == 0) {
WriteSingleHWReg(
base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left1)),
phys_address_left);
WriteSingleHWReg(
base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right1)),
phys_address_right);
} else {
WriteSingleHWReg(
base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_left2)),
phys_address_left);
WriteSingleHWReg(
base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].address_right2)),
phys_address_right);
}
WriteSingleHWReg(base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].stride)),
info.stride);
WriteSingleHWReg(
base_address +
4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].color_format)),
info.format);
WriteSingleHWReg(
base_address + 4 * static_cast<u32>(GPU_REG_INDEX(framebuffer_config[screen_id].active_fb)),
info.shown_fb);
if (Pica::g_debug_context)
Pica::g_debug_context->OnEvent(Pica::DebugContext::Event::BufferSwapped, nullptr);
if (screen_id == 0) {
MicroProfileFlip();
Core::System::GetInstance().perf_stats.EndGameFrame();
}
return RESULT_SUCCESS;
}
/**
* GSP_GPU::SetBufferSwap service function
*
* Updates GPU display framebuffer configuration using the specified parameters.
*
* Inputs:
* 1 : Screen ID (0 = top screen, 1 = bottom screen)
* 2-7 : FrameBufferInfo structure
* Outputs:
* 1: Result code
*/
static void SetBufferSwap(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 screen_id = cmd_buff[1];
FrameBufferInfo* fb_info = (FrameBufferInfo*)&cmd_buff[2];
cmd_buff[1] = SetBufferSwap(screen_id, *fb_info).raw;
}
/**
* GSP_GPU::FlushDataCache service function
*
* This Function is a no-op, We aren't emulating the CPU cache any time soon.
*
* Inputs:
* 1 : Address
* 2 : Size
* 3 : Value 0, some descriptor for the KProcess Handle
* 4 : KProcess handle
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void FlushDataCache(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 address = cmd_buff[1];
u32 size = cmd_buff[2];
u32 process = cmd_buff[4];
// TODO(purpasmart96): Verify return header on HW
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_DEBUG(Service_GSP, "(STUBBED) called address=0x%08X, size=0x%08X, process=0x%08X", address,
size, process);
}
/**
* GSP_GPU::SetAxiConfigQoSMode service function
* Inputs:
* 1 : Mode, unused in emulator
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void SetAxiConfigQoSMode(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 mode = cmd_buff[1];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_DEBUG(Service_GSP, "(STUBBED) called mode=0x%08X", mode);
}
/**
* GSP_GPU::RegisterInterruptRelayQueue service function
* Inputs:
* 1 : "Flags" field, purpose is unknown
* 3 : Handle to GSP synchronization event
* Outputs:
* 1 : Result of function, 0x2A07 on success, otherwise error code
* 2 : Thread index into GSP command buffer
* 4 : Handle to GSP shared memory
*/
static void RegisterInterruptRelayQueue(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 flags = cmd_buff[1];
g_interrupt_event = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[3]);
// TODO(mailwl): return right error code instead assert
ASSERT_MSG((g_interrupt_event != nullptr), "handle is not valid!");
g_interrupt_event->name = "GSP_GPU::interrupt_event";
if (first_initialization) {
// This specific code is required for a successful initialization, rather than 0
first_initialization = false;
cmd_buff[1] = RESULT_FIRST_INITIALIZATION.raw;
} else {
cmd_buff[1] = RESULT_SUCCESS.raw;
}
cmd_buff[2] = g_thread_id++; // Thread ID
cmd_buff[4] = Kernel::g_handle_table.Create(g_shared_memory).Unwrap(); // GSP shared memory
g_interrupt_event->Signal(); // TODO(bunnei): Is this correct?
LOG_WARNING(Service_GSP, "called, flags=0x%08X", flags);
}
/**
* GSP_GPU::UnregisterInterruptRelayQueue service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void UnregisterInterruptRelayQueue(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
g_thread_id = 0;
g_interrupt_event = nullptr;
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_GSP, "(STUBBED) called");
}
/**
* Signals that the specified interrupt type has occurred to userland code
* @param interrupt_id ID of interrupt that is being signalled
* @todo This should probably take a thread_id parameter and only signal this thread?
* @todo This probably does not belong in the GSP module, instead move to video_core
*/
void SignalInterrupt(InterruptId interrupt_id) {
if (!gpu_right_acquired) {
return;
}
if (nullptr == g_interrupt_event) {
LOG_WARNING(Service_GSP, "cannot synchronize until GSP event has been created!");
return;
}
if (nullptr == g_shared_memory) {
LOG_WARNING(Service_GSP, "cannot synchronize until GSP shared memory has been created!");
return;
}
for (int thread_id = 0; thread_id < 0x4; ++thread_id) {
InterruptRelayQueue* interrupt_relay_queue = GetInterruptRelayQueue(thread_id);
u8 next = interrupt_relay_queue->index;
next += interrupt_relay_queue->number_interrupts;
next = next % 0x34; // 0x34 is the number of interrupt slots
interrupt_relay_queue->number_interrupts += 1;
interrupt_relay_queue->slot[next] = interrupt_id;
interrupt_relay_queue->error_code = 0x0; // No error
// Update framebuffer information if requested
// TODO(yuriks): Confirm where this code should be called. It is definitely updated without
// executing any GSP commands, only waiting on the event.
int screen_id =
(interrupt_id == InterruptId::PDC0) ? 0 : (interrupt_id == InterruptId::PDC1) ? 1 : -1;
if (screen_id != -1) {
FrameBufferUpdate* info = GetFrameBufferInfo(thread_id, screen_id);
if (info->is_dirty) {
SetBufferSwap(screen_id, info->framebuffer_info[info->index]);
info->is_dirty.Assign(false);
}
}
}
g_interrupt_event->Signal();
}
MICROPROFILE_DEFINE(GPU_GSP_DMA, "GPU", "GSP DMA", MP_RGB(100, 0, 255));
/// Executes the next GSP command
static void ExecuteCommand(const Command& command, u32 thread_id) {
// Utility function to convert register ID to address
static auto WriteGPURegister = [](u32 id, u32 data) {
GPU::Write<u32>(0x1EF00000 + 4 * id, data);
};
switch (command.id) {
// GX request DMA - typically used for copying memory from GSP heap to VRAM
case CommandId::REQUEST_DMA: {
MICROPROFILE_SCOPE(GPU_GSP_DMA);
// TODO: Consider attempting rasterizer-accelerated surface blit if that usage is ever
// possible/likely
Memory::RasterizerFlushVirtualRegion(command.dma_request.source_address,
command.dma_request.size, Memory::FlushMode::Flush);
Memory::RasterizerFlushVirtualRegion(command.dma_request.dest_address,
command.dma_request.size,
Memory::FlushMode::FlushAndInvalidate);
// TODO(Subv): These memory accesses should not go through the application's memory mapping.
// They should go through the GSP module's memory mapping.
Memory::CopyBlock(command.dma_request.dest_address, command.dma_request.source_address,
command.dma_request.size);
SignalInterrupt(InterruptId::DMA);
break;
}
// TODO: This will need some rework in the future. (why?)
case CommandId::SUBMIT_GPU_CMDLIST: {
auto& params = command.submit_gpu_cmdlist;
if (params.do_flush) {
// This flag flushes the command list (params.address, params.size) from the cache.
// Command lists are not processed by the hardware renderer, so we don't need to
// actually flush them in Citra.
}
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(command_processor_config.address)),
Memory::VirtualToPhysicalAddress(params.address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(command_processor_config.size)),
params.size);
// TODO: Not sure if we are supposed to always write this .. seems to trigger processing
// though
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(command_processor_config.trigger)), 1);
// TODO(yuriks): Figure out the meaning of the `flags` field.
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;
if (params.start1 != 0) {
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].address_start)),
Memory::VirtualToPhysicalAddress(params.start1) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].address_end)),
Memory::VirtualToPhysicalAddress(params.end1) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].value_32bit)),
params.value1);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[0].control)),
params.control1);
}
if (params.start2 != 0) {
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].address_start)),
Memory::VirtualToPhysicalAddress(params.start2) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].address_end)),
Memory::VirtualToPhysicalAddress(params.end2) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].value_32bit)),
params.value2);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(memory_fill_config[1].control)),
params.control2);
}
break;
}
case CommandId::SET_DISPLAY_TRANSFER: {
auto& params = command.display_transfer;
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_address)),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_address)),
Memory::VirtualToPhysicalAddress(params.out_buffer_address) >> 3);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.input_size)),
params.in_buffer_size);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.output_size)),
params.out_buffer_size);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.flags)),
params.flags);
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(display_transfer_config.trigger)), 1);
break;
}
case CommandId::SET_TEXTURE_COPY: {
auto& params = command.texture_copy;
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.input_address),
Memory::VirtualToPhysicalAddress(params.in_buffer_address) >> 3);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.output_address),
Memory::VirtualToPhysicalAddress(params.out_buffer_address) >> 3);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.size),
params.size);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.input_size),
params.in_width_gap);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.texture_copy.output_size),
params.out_width_gap);
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.flags), params.flags);
// NOTE: Actual GSP ORs 1 with current register instead of overwriting. Doesn't seem to
// matter.
WriteGPURegister((u32)GPU_REG_INDEX(display_transfer_config.trigger), 1);
break;
}
case CommandId::CACHE_FLUSH: {
// NOTE: Rasterizer flushing handled elsewhere in CPU read/write and other GPU handlers
// Use command.cache_flush.regions to implement this handler
break;
}
default:
LOG_ERROR(Service_GSP, "unknown command 0x%08X", (int)command.id.Value());
}
if (Pica::g_debug_context)
Pica::g_debug_context->OnEvent(Pica::DebugContext::Event::GSPCommandProcessed,
(void*)&command);
}
/**
* GSP_GPU::SetLcdForceBlack service function
*
* Enable or disable REG_LCDCOLORFILL with the color black.
*
* Inputs:
* 1: Black color fill flag (0 = don't fill, !0 = fill)
* Outputs:
* 1: Result code
*/
static void SetLcdForceBlack(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
bool enable_black = cmd_buff[1] != 0;
LCD::Regs::ColorFill data = {0};
// Since data is already zeroed, there is no need to explicitly set
// the color to black (all zero).
data.is_enabled.Assign(enable_black);
LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_top), data.raw); // Top LCD
LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_bottom), data.raw); // Bottom LCD
cmd_buff[1] = RESULT_SUCCESS.raw;
}
/// This triggers handling of the GX command written to the command buffer in shared memory.
static void TriggerCmdReqQueue(Interface* self) {
// Iterate through each thread's command queue...
for (unsigned thread_id = 0; thread_id < 0x4; ++thread_id) {
CommandBuffer* command_buffer = (CommandBuffer*)GetCommandBuffer(thread_id);
// Iterate through each command...
for (unsigned i = 0; i < command_buffer->number_commands; ++i) {
g_debugger.GXCommandProcessed((u8*)&command_buffer->commands[i]);
// Decode and execute command
ExecuteCommand(command_buffer->commands[i], thread_id);
// Indicates that command has completed
command_buffer->number_commands.Assign(command_buffer->number_commands - 1);
}
}
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = 0; // No error
}
/**
* GSP_GPU::ImportDisplayCaptureInfo service function
*
* Returns information about the current framebuffer state
*
* Inputs:
* 0: Header 0x00180000
* Outputs:
* 0: Header Code[0x00180240]
* 1: Result code
* 2: Left framebuffer virtual address for the main screen
* 3: Right framebuffer virtual address for the main screen
* 4: Main screen framebuffer format
* 5: Main screen framebuffer width
* 6: Left framebuffer virtual address for the bottom screen
* 7: Right framebuffer virtual address for the bottom screen
* 8: Bottom screen framebuffer format
* 9: Bottom screen framebuffer width
*/
static void ImportDisplayCaptureInfo(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(Subv): We're always returning the framebuffer structures for thread_id = 0,
// because we only support a single running application at a time.
// This should always return the framebuffer data that is currently displayed on the screen.
u32 thread_id = 0;
FrameBufferUpdate* top_screen = GetFrameBufferInfo(thread_id, 0);
FrameBufferUpdate* bottom_screen = GetFrameBufferInfo(thread_id, 1);
cmd_buff[0] = IPC::MakeHeader(0x18, 0x9, 0);
cmd_buff[1] = RESULT_SUCCESS.raw;
// Top Screen
cmd_buff[2] = top_screen->framebuffer_info[top_screen->index].address_left;
cmd_buff[3] = top_screen->framebuffer_info[top_screen->index].address_right;
cmd_buff[4] = top_screen->framebuffer_info[top_screen->index].format;
cmd_buff[5] = top_screen->framebuffer_info[top_screen->index].stride;
// Bottom Screen
cmd_buff[6] = bottom_screen->framebuffer_info[bottom_screen->index].address_left;
cmd_buff[7] = bottom_screen->framebuffer_info[bottom_screen->index].address_right;
cmd_buff[8] = bottom_screen->framebuffer_info[bottom_screen->index].format;
cmd_buff[9] = bottom_screen->framebuffer_info[bottom_screen->index].stride;
LOG_WARNING(Service_GSP, "called");
}
/**
* GSP_GPU::AcquireRight service function
* Outputs:
* 1: Result code
*/
static void AcquireRight(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
gpu_right_acquired = true;
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_GSP, "called");
}
/**
* GSP_GPU::ReleaseRight service function
* Outputs:
* 1: Result code
*/
static void ReleaseRight(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
gpu_right_acquired = false;
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_GSP, "called");
}
/**
* GSP_GPU::StoreDataCache service function
*
* This Function is a no-op, We aren't emulating the CPU cache any time soon.
*
* Inputs:
* 0 : Header code [0x001F0082]
* 1 : Address
* 2 : Size
* 3 : Value 0, some descriptor for the KProcess Handle
* 4 : KProcess handle
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void StoreDataCache(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 address = cmd_buff[1];
u32 size = cmd_buff[2];
u32 process = cmd_buff[4];
cmd_buff[0] = IPC::MakeHeader(0x1F, 0x1, 0);
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_DEBUG(Service_GSP, "(STUBBED) called address=0x%08X, size=0x%08X, process=0x%08X", address,
size, process);
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010082, WriteHWRegs, "WriteHWRegs"},
{0x00020084, WriteHWRegsWithMask, "WriteHWRegsWithMask"},
{0x00030082, nullptr, "WriteHWRegRepeat"},
{0x00040080, ReadHWRegs, "ReadHWRegs"},
{0x00050200, SetBufferSwap, "SetBufferSwap"},
{0x00060082, nullptr, "SetCommandList"},
{0x000700C2, nullptr, "RequestDma"},
{0x00080082, FlushDataCache, "FlushDataCache"},
{0x00090082, nullptr, "InvalidateDataCache"},
{0x000A0044, nullptr, "RegisterInterruptEvents"},
{0x000B0040, SetLcdForceBlack, "SetLcdForceBlack"},
{0x000C0000, TriggerCmdReqQueue, "TriggerCmdReqQueue"},
{0x000D0140, nullptr, "SetDisplayTransfer"},
{0x000E0180, nullptr, "SetTextureCopy"},
{0x000F0200, nullptr, "SetMemoryFill"},
{0x00100040, SetAxiConfigQoSMode, "SetAxiConfigQoSMode"},
{0x00110040, nullptr, "SetPerfLogMode"},
{0x00120000, nullptr, "GetPerfLog"},
{0x00130042, RegisterInterruptRelayQueue, "RegisterInterruptRelayQueue"},
{0x00140000, UnregisterInterruptRelayQueue, "UnregisterInterruptRelayQueue"},
{0x00150002, nullptr, "TryAcquireRight"},
{0x00160042, AcquireRight, "AcquireRight"},
{0x00170000, ReleaseRight, "ReleaseRight"},
{0x00180000, ImportDisplayCaptureInfo, "ImportDisplayCaptureInfo"},
{0x00190000, nullptr, "SaveVramSysArea"},
{0x001A0000, nullptr, "RestoreVramSysArea"},
{0x001B0000, nullptr, "ResetGpuCore"},
{0x001C0040, nullptr, "SetLedForceOff"},
{0x001D0040, nullptr, "SetTestCommand"},
{0x001E0080, nullptr, "SetInternalPriorities"},
{0x001F0082, StoreDataCache, "StoreDataCache"},
};
GSP_GPU::GSP_GPU() {
Register(FunctionTable);
g_interrupt_event = nullptr;
using Kernel::MemoryPermission;
g_shared_memory = Kernel::SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory");
g_thread_id = 0;
gpu_right_acquired = false;
first_initialization = true;
}
GSP_GPU::~GSP_GPU() {
g_interrupt_event = nullptr;
g_shared_memory = nullptr;
gpu_right_acquired = false;
}
} // namespace GSP
} // namespace Service
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