7 files changed, 0 insertions, 1221 deletions

diff --git a/src/core/hw/aes/arithmetic128.cpp b/src/core/hw/aes/arithmetic128.cpp
deleted file mode 100644
index 55b954a52..000000000
--- a/src/core/hw/aes/arithmetic128.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <functional>
-#include "core/hw/aes/arithmetic128.h"
-
-namespace HW {
-namespace AES {
-
-AESKey Lrot128(const AESKey& in, u32 rot) {
-    AESKey out;
-    rot %= 128;
-    const u32 byte_shift = rot / 8;
-    const u32 bit_shift = rot % 8;
-
-    for (u32 i = 0; i < 16; i++) {
-        const u32 wrap_index_a = (i + byte_shift) % 16;
-        const u32 wrap_index_b = (i + byte_shift + 1) % 16;
-        out[i] = ((in[wrap_index_a] << bit_shift) | (in[wrap_index_b] >> (8 - bit_shift))) & 0xFF;
-    }
-    return out;
-}
-
-AESKey Add128(const AESKey& a, const AESKey& b) {
-    AESKey out;
-    u32 carry = 0;
-    u32 sum = 0;
-
-    for (int i = 15; i >= 0; i--) {
-        sum = a[i] + b[i] + carry;
-        carry = sum >> 8;
-        out[i] = static_cast<u8>(sum & 0xff);
-    }
-
-    return out;
-}
-
-AESKey Xor128(const AESKey& a, const AESKey& b) {
-    AESKey out;
-    std::transform(a.cbegin(), a.cend(), b.cbegin(), out.begin(), std::bit_xor<>());
-    return out;
-}
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/arithmetic128.h b/src/core/hw/aes/arithmetic128.h
deleted file mode 100644
index d670e2ce2..000000000
--- a/src/core/hw/aes/arithmetic128.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "common/common_types.h"
-#include "core/hw/aes/key.h"
-
-namespace HW {
-namespace AES {
-AESKey Lrot128(const AESKey& in, u32 rot);
-AESKey Add128(const AESKey& a, const AESKey& b);
-AESKey Xor128(const AESKey& a, const AESKey& b);
-
-} // namspace AES
-} // namespace HW
diff --git a/src/core/hw/aes/ccm.h b/src/core/hw/aes/ccm.h
deleted file mode 100644
index bf4146e80..000000000
--- a/src/core/hw/aes/ccm.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include <vector>
-#include "common/common_types.h"
-
-namespace HW {
-namespace AES {
-
-constexpr size_t CCM_NONCE_SIZE = 12;
-constexpr size_t CCM_MAC_SIZE = 16;
-
-using CCMNonce = std::array<u8, CCM_NONCE_SIZE>;
-
-/**
- * Encrypts and adds a MAC to the given data using AES-CCM algorithm.
- * @param pdata The plain text data to encrypt
- * @param nonce The nonce data to use for encryption
- * @param slot_id The slot ID of the key to use for encryption
- * @returns a vector of u8 containing the encrypted data with MAC at the end
- */
-std::vector<u8> EncryptSignCCM(const std::vector<u8>& pdata, const CCMNonce& nonce, size_t slot_id);
-
-/**
- * Decrypts and verify the MAC of the given data using AES-CCM algorithm.
- * @param cipher The cipher text data to decrypt, with MAC at the end to verify
- * @param nonce The nonce data to use for decryption
- * @param slot_id The slot ID of the key to use for decryption
- * @returns a vector of u8 containing the decrypted data; an empty vector if the verification fails
- */
-std::vector<u8> DecryptVerifyCCM(const std::vector<u8>& cipher, const CCMNonce& nonce,
-                                 size_t slot_id);
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/key.cpp b/src/core/hw/aes/key.cpp
deleted file mode 100644
index 4e8a8a59a..000000000
--- a/src/core/hw/aes/key.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <exception>
-#include <sstream>
-#include <boost/optional.hpp>
-#include "common/common_paths.h"
-#include "common/file_util.h"
-#include "common/logging/log.h"
-#include "common/string_util.h"
-#include "core/hw/aes/arithmetic128.h"
-#include "core/hw/aes/key.h"
-
-namespace HW {
-namespace AES {
-
-namespace {
-
-boost::optional<AESKey> generator_constant;
-
-struct KeySlot {
-    boost::optional<AESKey> x;
-    boost::optional<AESKey> y;
-    boost::optional<AESKey> normal;
-
-    void SetKeyX(const AESKey& key) {
-        x = key;
-        if (y && generator_constant) {
-            GenerateNormalKey();
-        }
-    }
-
-    void SetKeyY(const AESKey& key) {
-        y = key;
-        if (x && generator_constant) {
-            GenerateNormalKey();
-        }
-    }
-
-    void SetNormalKey(const AESKey& key) {
-        normal = key;
-    }
-
-    void GenerateNormalKey() {
-        normal = Lrot128(Add128(Xor128(Lrot128(*x, 2), *y), *generator_constant), 87);
-    }
-
-    void Clear() {
-        x.reset();
-        y.reset();
-        normal.reset();
-    }
-};
-
-std::array<KeySlot, KeySlotID::MaxKeySlotID> key_slots;
-
-void ClearAllKeys() {
-    for (KeySlot& slot : key_slots) {
-        slot.Clear();
-    }
-    generator_constant.reset();
-}
-
-AESKey HexToKey(const std::string& hex) {
-    if (hex.size() < 32) {
-        throw std::invalid_argument("hex string is too short");
-    }
-
-    AESKey key;
-    for (size_t i = 0; i < key.size(); ++i) {
-        key[i] = static_cast<u8>(std::stoi(hex.substr(i * 2, 2), 0, 16));
-    }
-
-    return key;
-}
-
-void LoadPresetKeys() {
-    const std::string filepath = FileUtil::GetUserPath(D_SYSDATA_IDX) + AES_KEYS;
-    FileUtil::CreateFullPath(filepath); // Create path if not already created
-    std::ifstream file;
-    OpenFStream(file, filepath, std::ios_base::in);
-    if (!file) {
-        return;
-    }
-
-    while (!file.eof()) {
-        std::string line;
-        std::getline(file, line);
-        std::vector<std::string> parts;
-        Common::SplitString(line, '=', parts);
-        if (parts.size() != 2) {
-            LOG_ERROR(HW_AES, "Failed to parse %s", line.c_str());
-            continue;
-        }
-
-        const std::string& name = parts[0];
-        AESKey key;
-        try {
-            key = HexToKey(parts[1]);
-        } catch (const std::logic_error& e) {
-            LOG_ERROR(HW_AES, "Invalid key %s: %s", parts[1].c_str(), e.what());
-            continue;
-        }
-
-        if (name == "generator") {
-            generator_constant = key;
-            continue;
-        }
-
-        size_t slot_id;
-        char key_type;
-        if (std::sscanf(name.c_str(), "slot0x%zXKey%c", &slot_id, &key_type) != 2) {
-            LOG_ERROR(HW_AES, "Invalid key name %s", name.c_str());
-            continue;
-        }
-
-        if (slot_id >= MaxKeySlotID) {
-            LOG_ERROR(HW_AES, "Out of range slot ID 0x%zX", slot_id);
-            continue;
-        }
-
-        switch (key_type) {
-        case 'X':
-            key_slots.at(slot_id).SetKeyX(key);
-            break;
-        case 'Y':
-            key_slots.at(slot_id).SetKeyY(key);
-            break;
-        case 'N':
-            key_slots.at(slot_id).SetNormalKey(key);
-            break;
-        default:
-            LOG_ERROR(HW_AES, "Invalid key type %c", key_type);
-            break;
-        }
-    }
-}
-
-} // namespace
-
-void InitKeys() {
-    ClearAllKeys();
-    LoadPresetKeys();
-}
-
-void SetGeneratorConstant(const AESKey& key) {
-    generator_constant = key;
-}
-
-void SetKeyX(size_t slot_id, const AESKey& key) {
-    key_slots.at(slot_id).SetKeyX(key);
-}
-
-void SetKeyY(size_t slot_id, const AESKey& key) {
-    key_slots.at(slot_id).SetKeyY(key);
-}
-
-void SetNormalKey(size_t slot_id, const AESKey& key) {
-    key_slots.at(slot_id).SetNormalKey(key);
-}
-
-bool IsNormalKeyAvailable(size_t slot_id) {
-    return key_slots.at(slot_id).normal.is_initialized();
-}
-
-AESKey GetNormalKey(size_t slot_id) {
-    return key_slots.at(slot_id).normal.value_or(AESKey{});
-}
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/key.h b/src/core/hw/aes/key.h
deleted file mode 100644
index c9f1342f4..000000000
--- a/src/core/hw/aes/key.h
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include "common/common_types.h"
-
-namespace HW {
-namespace AES {
-
-enum KeySlotID : size_t {
-    // AES Keyslot used to generate the UDS data frame CCMP key.
-    UDSDataKey = 0x2D,
-    APTWrap = 0x31,
-
-    MaxKeySlotID = 0x40,
-};
-
-constexpr size_t AES_BLOCK_SIZE = 16;
-
-using AESKey = std::array<u8, AES_BLOCK_SIZE>;
-
-void InitKeys();
-
-void SetGeneratorConstant(const AESKey& key);
-void SetKeyX(size_t slot_id, const AESKey& key);
-void SetKeyY(size_t slot_id, const AESKey& key);
-void SetNormalKey(size_t slot_id, const AESKey& key);
-
-bool IsNormalKeyAvailable(size_t slot_id);
-AESKey GetNormalKey(size_t slot_id);
-
-} // namspace AES
-} // namespace HW
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
deleted file mode 100644
index 47ab14ae9..000000000
--- a/src/core/hw/gpu.cpp
+++ /dev/null
@@ -1,573 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cstring>
-#include <numeric>
-#include <type_traits>
-#include "common/alignment.h"
-#include "common/color.h"
-#include "common/common_types.h"
-#include "common/logging/log.h"
-#include "common/microprofile.h"
-#include "common/vector_math.h"
-#include "core/core_timing.h"
-#include "core/hle/service/gsp_gpu.h"
-#include "core/hw/gpu.h"
-#include "core/hw/hw.h"
-#include "core/memory.h"
-#include "core/tracer/recorder.h"
-#include "video_core/command_processor.h"
-#include "video_core/debug_utils/debug_utils.h"
-#include "video_core/rasterizer_interface.h"
-#include "video_core/renderer_base.h"
-#include "video_core/utils.h"
-#include "video_core/video_core.h"
-
-namespace GPU {
-
-Regs g_regs;
-
-/// 268MHz CPU clocks / 60Hz frames per second
-const u64 frame_ticks = static_cast<u64>(BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
-/// Event id for CoreTiming
-static CoreTiming::EventType* vblank_event;
-
-template <typename T>
-inline void Read(T& var, const u32 raw_addr) {
-    u32 addr = raw_addr - HW::VADDR_GPU;
-    u32 index = addr / 4;
-
-    // Reads other than u32 are untested, so I'd rather have them abort than silently fail
-    if (index >= Regs::NumIds() || !std::is_same<T, u32>::value) {
-        LOG_ERROR(HW_GPU, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, addr);
-        return;
-    }
-
-    var = g_regs[addr / 4];
-}
-
-static Math::Vec4<u8> DecodePixel(Regs::PixelFormat input_format, const u8* src_pixel) {
-    switch (input_format) {
-    case Regs::PixelFormat::RGBA8:
-        return Color::DecodeRGBA8(src_pixel);
-
-    case Regs::PixelFormat::RGB8:
-        return Color::DecodeRGB8(src_pixel);
-
-    case Regs::PixelFormat::RGB565:
-        return Color::DecodeRGB565(src_pixel);
-
-    case Regs::PixelFormat::RGB5A1:
-        return Color::DecodeRGB5A1(src_pixel);
-
-    case Regs::PixelFormat::RGBA4:
-        return Color::DecodeRGBA4(src_pixel);
-
-    default:
-        LOG_ERROR(HW_GPU, "Unknown source framebuffer format %x", input_format);
-        return {0, 0, 0, 0};
-    }
-}
-
-MICROPROFILE_DEFINE(GPU_DisplayTransfer, "GPU", "DisplayTransfer", MP_RGB(100, 100, 255));
-MICROPROFILE_DEFINE(GPU_CmdlistProcessing, "GPU", "Cmdlist Processing", MP_RGB(100, 255, 100));
-
-static void MemoryFill(const Regs::MemoryFillConfig& config) {
-    const PAddr start_addr = config.GetStartAddress();
-    const PAddr end_addr = config.GetEndAddress();
-
-    // TODO: do hwtest with these cases
-    if (!Memory::IsValidPhysicalAddress(start_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid start address 0x%08X", start_addr);
-        return;
-    }
-
-    if (!Memory::IsValidPhysicalAddress(end_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid end address 0x%08X", end_addr);
-        return;
-    }
-
-    if (end_addr <= start_addr) {
-        LOG_CRITICAL(HW_GPU, "invalid memory range from 0x%08X to 0x%08X", start_addr, end_addr);
-        return;
-    }
-
-    u8* start = Memory::GetPhysicalPointer(start_addr);
-    u8* end = Memory::GetPhysicalPointer(end_addr);
-
-    // TODO: Consider always accelerating and returning vector of
-    //       regions that the accelerated fill did not cover to
-    //       reduce/eliminate the fill that the cpu has to do.
-    //       This would also mean that the flush below is not needed.
-    //       Fill should first flush all surfaces that touch but are
-    //       not completely within the fill range.
-    //       Then fill all completely covered surfaces, and return the
-    //       regions that were between surfaces or within the touching
-    //       ones for cpu to manually fill here.
-    if (VideoCore::g_renderer->Rasterizer()->AccelerateFill(config))
-        return;
-
-    Memory::RasterizerFlushAndInvalidateRegion(config.GetStartAddress(),
-                                               config.GetEndAddress() - config.GetStartAddress());
-
-    if (config.fill_24bit) {
-        // fill with 24-bit values
-        for (u8* ptr = start; ptr < end; ptr += 3) {
-            ptr[0] = config.value_24bit_r;
-            ptr[1] = config.value_24bit_g;
-            ptr[2] = config.value_24bit_b;
-        }
-    } else if (config.fill_32bit) {
-        // fill with 32-bit values
-        if (end > start) {
-            u32 value = config.value_32bit;
-            size_t len = (end - start) / sizeof(u32);
-            for (size_t i = 0; i < len; ++i)
-                memcpy(&start[i * sizeof(u32)], &value, sizeof(u32));
-        }
-    } else {
-        // fill with 16-bit values
-        u16 value_16bit = config.value_16bit.Value();
-        for (u8* ptr = start; ptr < end; ptr += sizeof(u16))
-            memcpy(ptr, &value_16bit, sizeof(u16));
-    }
-}
-
-static void DisplayTransfer(const Regs::DisplayTransferConfig& config) {
-    const PAddr src_addr = config.GetPhysicalInputAddress();
-    const PAddr dst_addr = config.GetPhysicalOutputAddress();
-
-    // TODO: do hwtest with these cases
-    if (!Memory::IsValidPhysicalAddress(src_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid input address 0x%08X", src_addr);
-        return;
-    }
-
-    if (!Memory::IsValidPhysicalAddress(dst_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid output address 0x%08X", dst_addr);
-        return;
-    }
-
-    if (config.input_width == 0) {
-        LOG_CRITICAL(HW_GPU, "zero input width");
-        return;
-    }
-
-    if (config.input_height == 0) {
-        LOG_CRITICAL(HW_GPU, "zero input height");
-        return;
-    }
-
-    if (config.output_width == 0) {
-        LOG_CRITICAL(HW_GPU, "zero output width");
-        return;
-    }
-
-    if (config.output_height == 0) {
-        LOG_CRITICAL(HW_GPU, "zero output height");
-        return;
-    }
-
-    if (VideoCore::g_renderer->Rasterizer()->AccelerateDisplayTransfer(config))
-        return;
-
-    u8* src_pointer = Memory::GetPhysicalPointer(src_addr);
-    u8* dst_pointer = Memory::GetPhysicalPointer(dst_addr);
-
-    if (config.scaling > config.ScaleXY) {
-        LOG_CRITICAL(HW_GPU, "Unimplemented display transfer scaling mode %u",
-                     config.scaling.Value());
-        UNIMPLEMENTED();
-        return;
-    }
-
-    if (config.input_linear && config.scaling != config.NoScale) {
-        LOG_CRITICAL(HW_GPU, "Scaling is only implemented on tiled input");
-        UNIMPLEMENTED();
-        return;
-    }
-
-    int horizontal_scale = config.scaling != config.NoScale ? 1 : 0;
-    int vertical_scale = config.scaling == config.ScaleXY ? 1 : 0;
-
-    u32 output_width = config.output_width >> horizontal_scale;
-    u32 output_height = config.output_height >> vertical_scale;
-
-    u32 input_size =
-        config.input_width * config.input_height * GPU::Regs::BytesPerPixel(config.input_format);
-    u32 output_size = output_width * output_height * GPU::Regs::BytesPerPixel(config.output_format);
-
-    Memory::RasterizerFlushRegion(config.GetPhysicalInputAddress(), input_size);
-    Memory::RasterizerFlushAndInvalidateRegion(config.GetPhysicalOutputAddress(), output_size);
-
-    for (u32 y = 0; y < output_height; ++y) {
-        for (u32 x = 0; x < output_width; ++x) {
-            Math::Vec4<u8> src_color;
-
-            // Calculate the [x,y] position of the input image
-            // based on the current output position and the scale
-            u32 input_x = x << horizontal_scale;
-            u32 input_y = y << vertical_scale;
-
-            u32 output_y;
-            if (config.flip_vertically) {
-                // Flip the y value of the output data,
-                // we do this after calculating the [x,y] position of the input image
-                // to account for the scaling options.
-                output_y = output_height - y - 1;
-            } else {
-                output_y = y;
-            }
-
-            u32 dst_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.output_format);
-            u32 src_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.input_format);
-            u32 src_offset;
-            u32 dst_offset;
-
-            if (config.input_linear) {
-                if (!config.dont_swizzle) {
-                    // Interpret the input as linear and the output as tiled
-                    u32 coarse_y = output_y & ~7;
-                    u32 stride = output_width * dst_bytes_per_pixel;
-
-                    src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
-                    dst_offset = VideoCore::GetMortonOffset(x, output_y, dst_bytes_per_pixel) +
-                                 coarse_y * stride;
-                } else {
-                    // Both input and output are linear
-                    src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
-                    dst_offset = (x + output_y * output_width) * dst_bytes_per_pixel;
-                }
-            } else {
-                if (!config.dont_swizzle) {
-                    // Interpret the input as tiled and the output as linear
-                    u32 coarse_y = input_y & ~7;
-                    u32 stride = config.input_width * src_bytes_per_pixel;
-
-                    src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) +
-                                 coarse_y * stride;
-                    dst_offset = (x + output_y * output_width) * dst_bytes_per_pixel;
-                } else {
-                    // Both input and output are tiled
-                    u32 out_coarse_y = output_y & ~7;
-                    u32 out_stride = output_width * dst_bytes_per_pixel;
-
-                    u32 in_coarse_y = input_y & ~7;
-                    u32 in_stride = config.input_width * src_bytes_per_pixel;
-
-                    src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) +
-                                 in_coarse_y * in_stride;
-                    dst_offset = VideoCore::GetMortonOffset(x, output_y, dst_bytes_per_pixel) +
-                                 out_coarse_y * out_stride;
-                }
-            }
-
-            const u8* src_pixel = src_pointer + src_offset;
-            src_color = DecodePixel(config.input_format, src_pixel);
-            if (config.scaling == config.ScaleX) {
-                Math::Vec4<u8> pixel =
-                    DecodePixel(config.input_format, src_pixel + src_bytes_per_pixel);
-                src_color = ((src_color + pixel) / 2).Cast<u8>();
-            } else if (config.scaling == config.ScaleXY) {
-                Math::Vec4<u8> pixel1 =
-                    DecodePixel(config.input_format, src_pixel + 1 * src_bytes_per_pixel);
-                Math::Vec4<u8> pixel2 =
-                    DecodePixel(config.input_format, src_pixel + 2 * src_bytes_per_pixel);
-                Math::Vec4<u8> pixel3 =
-                    DecodePixel(config.input_format, src_pixel + 3 * src_bytes_per_pixel);
-                src_color = (((src_color + pixel1) + (pixel2 + pixel3)) / 4).Cast<u8>();
-            }
-
-            u8* dst_pixel = dst_pointer + dst_offset;
-            switch (config.output_format) {
-            case Regs::PixelFormat::RGBA8:
-                Color::EncodeRGBA8(src_color, dst_pixel);
-                break;
-
-            case Regs::PixelFormat::RGB8:
-                Color::EncodeRGB8(src_color, dst_pixel);
-                break;
-
-            case Regs::PixelFormat::RGB565:
-                Color::EncodeRGB565(src_color, dst_pixel);
-                break;
-
-            case Regs::PixelFormat::RGB5A1:
-                Color::EncodeRGB5A1(src_color, dst_pixel);
-                break;
-
-            case Regs::PixelFormat::RGBA4:
-                Color::EncodeRGBA4(src_color, dst_pixel);
-                break;
-
-            default:
-                LOG_ERROR(HW_GPU, "Unknown destination framebuffer format %x",
-                          config.output_format.Value());
-                break;
-            }
-        }
-    }
-}
-
-static void TextureCopy(const Regs::DisplayTransferConfig& config) {
-    const PAddr src_addr = config.GetPhysicalInputAddress();
-    const PAddr dst_addr = config.GetPhysicalOutputAddress();
-
-    // TODO: do hwtest with invalid addresses
-    if (!Memory::IsValidPhysicalAddress(src_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid input address 0x%08X", src_addr);
-        return;
-    }
-
-    if (!Memory::IsValidPhysicalAddress(dst_addr)) {
-        LOG_CRITICAL(HW_GPU, "invalid output address 0x%08X", dst_addr);
-        return;
-    }
-
-    if (VideoCore::g_renderer->Rasterizer()->AccelerateTextureCopy(config))
-        return;
-
-    u8* src_pointer = Memory::GetPhysicalPointer(src_addr);
-    u8* dst_pointer = Memory::GetPhysicalPointer(dst_addr);
-
-    u32 remaining_size = Common::AlignDown(config.texture_copy.size, 16);
-
-    if (remaining_size == 0) {
-        LOG_CRITICAL(HW_GPU, "zero size. Real hardware freezes on this.");
-        return;
-    }
-
-    u32 input_gap = config.texture_copy.input_gap * 16;
-    u32 output_gap = config.texture_copy.output_gap * 16;
-
-    // Zero gap means contiguous input/output even if width = 0. To avoid infinite loop below, width
-    // is assigned with the total size if gap = 0.
-    u32 input_width = input_gap == 0 ? remaining_size : config.texture_copy.input_width * 16;
-    u32 output_width = output_gap == 0 ? remaining_size : config.texture_copy.output_width * 16;
-
-    if (input_width == 0) {
-        LOG_CRITICAL(HW_GPU, "zero input width. Real hardware freezes on this.");
-        return;
-    }
-
-    if (output_width == 0) {
-        LOG_CRITICAL(HW_GPU, "zero output width. Real hardware freezes on this.");
-        return;
-    }
-
-    size_t contiguous_input_size =
-        config.texture_copy.size / input_width * (input_width + input_gap);
-    Memory::RasterizerFlushRegion(config.GetPhysicalInputAddress(),
-                                  static_cast<u32>(contiguous_input_size));
-
-    size_t contiguous_output_size =
-        config.texture_copy.size / output_width * (output_width + output_gap);
-    Memory::RasterizerFlushAndInvalidateRegion(config.GetPhysicalOutputAddress(),
-                                               static_cast<u32>(contiguous_output_size));
-
-    u32 remaining_input = input_width;
-    u32 remaining_output = output_width;
-    while (remaining_size > 0) {
-        u32 copy_size = std::min({remaining_input, remaining_output, remaining_size});
-
-        std::memcpy(dst_pointer, src_pointer, copy_size);
-        src_pointer += copy_size;
-        dst_pointer += copy_size;
-
-        remaining_input -= copy_size;
-        remaining_output -= copy_size;
-        remaining_size -= copy_size;
-
-        if (remaining_input == 0) {
-            remaining_input = input_width;
-            src_pointer += input_gap;
-        }
-        if (remaining_output == 0) {
-            remaining_output = output_width;
-            dst_pointer += output_gap;
-        }
-    }
-}
-
-template <typename T>
-inline void Write(u32 addr, const T data) {
-    addr -= HW::VADDR_GPU;
-    u32 index = addr / 4;
-
-    // Writes other than u32 are untested, so I'd rather have them abort than silently fail
-    if (index >= Regs::NumIds() || !std::is_same<T, u32>::value) {
-        LOG_ERROR(HW_GPU, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, addr);
-        return;
-    }
-
-    g_regs[index] = static_cast<u32>(data);
-
-    switch (index) {
-
-    // Memory fills are triggered once the fill value is written.
-    case GPU_REG_INDEX_WORKAROUND(memory_fill_config[0].trigger, 0x00004 + 0x3):
-    case GPU_REG_INDEX_WORKAROUND(memory_fill_config[1].trigger, 0x00008 + 0x3): {
-        const bool is_second_filler = (index != GPU_REG_INDEX(memory_fill_config[0].trigger));
-        auto& config = g_regs.memory_fill_config[is_second_filler];
-
-        if (config.trigger) {
-            MemoryFill(config);
-            LOG_TRACE(HW_GPU, "MemoryFill from 0x%08x to 0x%08x", config.GetStartAddress(),
-                      config.GetEndAddress());
-
-            // It seems that it won't signal interrupt if "address_start" is zero.
-            // TODO: hwtest this
-            if (config.GetStartAddress() != 0) {
-                if (!is_second_filler) {
-                    //Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PSC0);
-                } else {
-                    //Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PSC1);
-                }
-            }
-
-            // Reset "trigger" flag and set the "finish" flag
-            // NOTE: This was confirmed to happen on hardware even if "address_start" is zero.
-            config.trigger.Assign(0);
-            config.finished.Assign(1);
-        }
-        break;
-    }
-
-    case GPU_REG_INDEX(display_transfer_config.trigger): {
-        MICROPROFILE_SCOPE(GPU_DisplayTransfer);
-
-        const auto& config = g_regs.display_transfer_config;
-        if (config.trigger & 1) {
-
-            if (Pica::g_debug_context)
-                Pica::g_debug_context->OnEvent(Pica::DebugContext::Event::IncomingDisplayTransfer,
-                                               nullptr);
-
-            if (config.is_texture_copy) {
-                TextureCopy(config);
-                LOG_TRACE(HW_GPU, "TextureCopy: 0x%X bytes from 0x%08X(%u+%u)-> "
-                                  "0x%08X(%u+%u), flags 0x%08X",
-                          config.texture_copy.size, config.GetPhysicalInputAddress(),
-                          config.texture_copy.input_width * 16, config.texture_copy.input_gap * 16,
-                          config.GetPhysicalOutputAddress(), config.texture_copy.output_width * 16,
-                          config.texture_copy.output_gap * 16, config.flags);
-            } else {
-                DisplayTransfer(config);
-                LOG_TRACE(HW_GPU, "DisplayTransfer: 0x%08x(%ux%u)-> "
-                                  "0x%08x(%ux%u), dst format %x, flags 0x%08X",
-                          config.GetPhysicalInputAddress(), config.input_width.Value(),
-                          config.input_height.Value(), config.GetPhysicalOutputAddress(),
-                          config.output_width.Value(), config.output_height.Value(),
-                          config.output_format.Value(), config.flags);
-            }
-
-            g_regs.display_transfer_config.trigger = 0;
-            //Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PPF);
-        }
-        break;
-    }
-
-    // Seems like writing to this register triggers processing
-    case GPU_REG_INDEX(command_processor_config.trigger): {
-        const auto& config = g_regs.command_processor_config;
-        if (config.trigger & 1) {
-            MICROPROFILE_SCOPE(GPU_CmdlistProcessing);
-
-            u32* buffer = (u32*)Memory::GetPhysicalPointer(config.GetPhysicalAddress());
-
-            if (Pica::g_debug_context && Pica::g_debug_context->recorder) {
-                Pica::g_debug_context->recorder->MemoryAccessed((u8*)buffer, config.size,
-                                                                config.GetPhysicalAddress());
-            }
-
-            Pica::CommandProcessor::ProcessCommandList(buffer, config.size);
-
-            g_regs.command_processor_config.trigger = 0;
-        }
-        break;
-    }
-
-    default:
-        break;
-    }
-
-    // Notify tracer about the register write
-    // This is happening *after* handling the write to make sure we properly catch all memory reads.
-    if (Pica::g_debug_context && Pica::g_debug_context->recorder) {
-        // addr + GPU VBase - IO VBase + IO PBase
-        Pica::g_debug_context->recorder->RegisterWritten<T>(
-            addr + 0x1EF00000 - 0x1EC00000 + 0x10100000, data);
-    }
-}
-
-// Explicitly instantiate template functions because we aren't defining this in the header:
-
-template void Read<u64>(u64& var, const u32 addr);
-template void Read<u32>(u32& var, const u32 addr);
-template void Read<u16>(u16& var, const u32 addr);
-template void Read<u8>(u8& var, const u32 addr);
-
-template void Write<u64>(u32 addr, const u64 data);
-template void Write<u32>(u32 addr, const u32 data);
-template void Write<u16>(u32 addr, const u16 data);
-template void Write<u8>(u32 addr, const u8 data);
-
-/// Update hardware
-static void VBlankCallback(u64 userdata, int cycles_late) {
-    //VideoCore::g_renderer->SwapBuffers();
-
-    //// Signal to GSP that GPU interrupt has occurred
-    //// TODO(yuriks): hwtest to determine if PDC0 is for the Top screen and PDC1 for the Sub
-    //// screen, or if both use the same interrupts and these two instead determine the
-    //// beginning and end of the VBlank period. If needed, split the interrupt firing into
-    //// two different intervals.
-    //Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC0);
-    //Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC1);
-
-    // Reschedule recurrent event
-    CoreTiming::ScheduleEvent(frame_ticks - cycles_late, vblank_event);
-}
-
-/// Initialize hardware
-void Init() {
-    memset(&g_regs, 0, sizeof(g_regs));
-
-    auto& framebuffer_top = g_regs.framebuffer_config[0];
-    auto& framebuffer_sub = g_regs.framebuffer_config[1];
-
-    // Setup default framebuffer addresses (located in VRAM)
-    // .. or at least these are the ones used by system applets.
-    // There's probably a smarter way to come up with addresses
-    // like this which does not require hardcoding.
-    framebuffer_top.address_left1 = 0x181E6000;
-    framebuffer_top.address_left2 = 0x1822C800;
-    framebuffer_top.address_right1 = 0x18273000;
-    framebuffer_top.address_right2 = 0x182B9800;
-    framebuffer_sub.address_left1 = 0x1848F000;
-    framebuffer_sub.address_left2 = 0x184C7800;
-
-    framebuffer_top.width.Assign(240);
-    framebuffer_top.height.Assign(400);
-    framebuffer_top.stride = 3 * 240;
-    framebuffer_top.color_format.Assign(Regs::PixelFormat::RGB8);
-    framebuffer_top.active_fb = 0;
-
-    framebuffer_sub.width.Assign(240);
-    framebuffer_sub.height.Assign(320);
-    framebuffer_sub.stride = 3 * 240;
-    framebuffer_sub.color_format.Assign(Regs::PixelFormat::RGB8);
-    framebuffer_sub.active_fb = 0;
-
-    vblank_event = CoreTiming::RegisterEvent("GPU::VBlankCallback", VBlankCallback);
-    CoreTiming::ScheduleEvent(frame_ticks, vblank_event);
-
-    LOG_DEBUG(HW_GPU, "initialized OK");
-}
-
-/// Shutdown hardware
-void Shutdown() {
-    LOG_DEBUG(HW_GPU, "shutdown OK");
-}
-
-} // namespace
diff --git a/src/core/hw/gpu.h b/src/core/hw/gpu.h
deleted file mode 100644
index e3d0a0e08..000000000
--- a/src/core/hw/gpu.h
+++ /dev/null
@@ -1,334 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <cstddef>
-#include <type_traits>
-#include "common/assert.h"
-#include "common/bit_field.h"
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-
-namespace GPU {
-
-constexpr float SCREEN_REFRESH_RATE = 60;
-
-// Returns index corresponding to the Regs member labeled by field_name
-// TODO: Due to Visual studio bug 209229, offsetof does not return constant expressions
-//       when used with array elements (e.g. GPU_REG_INDEX(memory_fill_config[0])).
-//       For details cf.
-//       https://connect.microsoft.com/VisualStudio/feedback/details/209229/offsetof-does-not-produce-a-constant-expression-for-array-members
-//       Hopefully, this will be fixed sometime in the future.
-//       For lack of better alternatives, we currently hardcode the offsets when constant
-//       expressions are needed via GPU_REG_INDEX_WORKAROUND (on sane compilers, static_asserts
-//       will then make sure the offsets indeed match the automatically calculated ones).
-#define GPU_REG_INDEX(field_name) (offsetof(GPU::Regs, field_name) / sizeof(u32))
-#if defined(_MSC_VER)
-#define GPU_REG_INDEX_WORKAROUND(field_name, backup_workaround_index) (backup_workaround_index)
-#else
-// NOTE: Yeah, hacking in a static_assert here just to workaround the lacking MSVC compiler
-//       really is this annoying. This macro just forwards its first argument to GPU_REG_INDEX
-//       and then performs a (no-op) cast to size_t iff the second argument matches the expected
-//       field offset. Otherwise, the compiler will fail to compile this code.
-#define GPU_REG_INDEX_WORKAROUND(field_name, backup_workaround_index)                              \
-    ((typename std::enable_if<backup_workaround_index == GPU_REG_INDEX(field_name), size_t>::type) \
-         GPU_REG_INDEX(field_name))
-#endif
-
-// MMIO region 0x1EFxxxxx
-struct Regs {
-
-// helper macro to make sure the defined structures are of the expected size.
-#if defined(_MSC_VER)
-// TODO: MSVC does not support using sizeof() on non-static data members even though this
-//       is technically allowed since C++11. This macro should be enabled once MSVC adds
-//       support for that.
-#define ASSERT_MEMBER_SIZE(name, size_in_bytes)
-#else
-#define ASSERT_MEMBER_SIZE(name, size_in_bytes)                                                    \
-    static_assert(sizeof(name) == size_in_bytes,                                                   \
-                  "Structure size and register block length don't match")
-#endif
-
-    // Components are laid out in reverse byte order, most significant bits first.
-    enum class PixelFormat : u32 {
-        RGBA8 = 0,
-        RGB8 = 1,
-        RGB565 = 2,
-        RGB5A1 = 3,
-        RGBA4 = 4,
-    };
-
-    /**
-     * Returns the number of bytes per pixel.
-     */
-    static int BytesPerPixel(PixelFormat format) {
-        switch (format) {
-        case PixelFormat::RGBA8:
-            return 4;
-        case PixelFormat::RGB8:
-            return 3;
-        case PixelFormat::RGB565:
-        case PixelFormat::RGB5A1:
-        case PixelFormat::RGBA4:
-            return 2;
-        }
-
-        UNREACHABLE();
-    }
-
-    INSERT_PADDING_WORDS(0x4);
-
-    struct MemoryFillConfig {
-        u32 address_start;
-        u32 address_end;
-
-        union {
-            u32 value_32bit;
-
-            BitField<0, 16, u32> value_16bit;
-
-            // TODO: Verify component order
-            BitField<0, 8, u32> value_24bit_r;
-            BitField<8, 8, u32> value_24bit_g;
-            BitField<16, 8, u32> value_24bit_b;
-        };
-
-        union {
-            u32 control;
-
-            // Setting this field to 1 triggers the memory fill.
-            // This field also acts as a status flag, and gets reset to 0 upon completion.
-            BitField<0, 1, u32> trigger;
-
-            // Set to 1 upon completion.
-            BitField<1, 1, u32> finished;
-
-            // If both of these bits are unset, then it will fill the memory with a 16 bit value
-            // 1: fill with 24-bit wide values
-            BitField<8, 1, u32> fill_24bit;
-            // 1: fill with 32-bit wide values
-            BitField<9, 1, u32> fill_32bit;
-        };
-
-        inline u32 GetStartAddress() const {
-            return DecodeAddressRegister(address_start);
-        }
-
-        inline u32 GetEndAddress() const {
-            return DecodeAddressRegister(address_end);
-        }
-    } memory_fill_config[2];
-    ASSERT_MEMBER_SIZE(memory_fill_config[0], 0x10);
-
-    INSERT_PADDING_WORDS(0x10b);
-
-    struct FramebufferConfig {
-        union {
-            u32 size;
-
-            BitField<0, 16, u32> width;
-            BitField<16, 16, u32> height;
-        };
-
-        INSERT_PADDING_WORDS(0x2);
-
-        u32 address_left1;
-        u32 address_left2;
-
-        union {
-            u32 format;
-
-            BitField<0, 3, PixelFormat> color_format;
-        };
-
-        INSERT_PADDING_WORDS(0x1);
-
-        union {
-            u32 active_fb;
-
-            // 0: Use parameters ending with "1"
-            // 1: Use parameters ending with "2"
-            BitField<0, 1, u32> second_fb_active;
-        };
-
-        INSERT_PADDING_WORDS(0x5);
-
-        // Distance between two pixel rows, in bytes
-        u32 stride;
-
-        u32 address_right1;
-        u32 address_right2;
-
-        INSERT_PADDING_WORDS(0x30);
-    } framebuffer_config[2];
-    ASSERT_MEMBER_SIZE(framebuffer_config[0], 0x100);
-
-    INSERT_PADDING_WORDS(0x169);
-
-    struct DisplayTransferConfig {
-        u32 input_address;
-        u32 output_address;
-
-        inline u32 GetPhysicalInputAddress() const {
-            return DecodeAddressRegister(input_address);
-        }
-
-        inline u32 GetPhysicalOutputAddress() const {
-            return DecodeAddressRegister(output_address);
-        }
-
-        union {
-            u32 output_size;
-
-            BitField<0, 16, u32> output_width;
-            BitField<16, 16, u32> output_height;
-        };
-
-        union {
-            u32 input_size;
-
-            BitField<0, 16, u32> input_width;
-            BitField<16, 16, u32> input_height;
-        };
-
-        enum ScalingMode : u32 {
-            NoScale = 0, // Doesn't scale the image
-            ScaleX = 1,  // Downscales the image in half in the X axis and applies a box filter
-            ScaleXY =
-                2, // Downscales the image in half in both the X and Y axes and applies a box filter
-        };
-
-        union {
-            u32 flags;
-
-            BitField<0, 1, u32> flip_vertically; // flips input data vertically
-            BitField<1, 1, u32> input_linear;    // Converts from linear to tiled format
-            BitField<2, 1, u32> crop_input_lines;
-            BitField<3, 1, u32> is_texture_copy; // Copies the data without performing any
-                                                 // processing and respecting texture copy fields
-            BitField<5, 1, u32> dont_swizzle;
-            BitField<8, 3, PixelFormat> input_format;
-            BitField<12, 3, PixelFormat> output_format;
-            /// Uses some kind of 32x32 block swizzling mode, instead of the usual 8x8 one.
-            BitField<16, 1, u32> block_32;        // TODO(yuriks): unimplemented
-            BitField<24, 2, ScalingMode> scaling; // Determines the scaling mode of the transfer
-        };
-
-        INSERT_PADDING_WORDS(0x1);
-
-        // it seems that writing to this field triggers the display transfer
-        u32 trigger;
-
-        INSERT_PADDING_WORDS(0x1);
-
-        struct {
-            u32 size; // The lower 4 bits are ignored
-
-            union {
-                u32 input_size;
-
-                BitField<0, 16, u32> input_width;
-                BitField<16, 16, u32> input_gap;
-            };
-
-            union {
-                u32 output_size;
-
-                BitField<0, 16, u32> output_width;
-                BitField<16, 16, u32> output_gap;
-            };
-        } texture_copy;
-    } display_transfer_config;
-    ASSERT_MEMBER_SIZE(display_transfer_config, 0x2c);
-
-    INSERT_PADDING_WORDS(0x32D);
-
-    struct {
-        // command list size (in bytes)
-        u32 size;
-
-        INSERT_PADDING_WORDS(0x1);
-
-        // command list address
-        u32 address;
-
-        INSERT_PADDING_WORDS(0x1);
-
-        // it seems that writing to this field triggers command list processing
-        u32 trigger;
-
-        inline u32 GetPhysicalAddress() const {
-            return DecodeAddressRegister(address);
-        }
-    } command_processor_config;
-    ASSERT_MEMBER_SIZE(command_processor_config, 0x14);
-
-    INSERT_PADDING_WORDS(0x9c3);
-
-    static constexpr size_t NumIds() {
-        return sizeof(Regs) / sizeof(u32);
-    }
-
-    const u32& operator[](int index) const {
-        const u32* content = reinterpret_cast<const u32*>(this);
-        return content[index];
-    }
-
-    u32& operator[](int index) {
-        u32* content = reinterpret_cast<u32*>(this);
-        return content[index];
-    }
-
-#undef ASSERT_MEMBER_SIZE
-
-private:
-    /*
-     * Most physical addresses which GPU registers refer to are 8-byte aligned.
-     * This function should be used to get the address from a raw register value.
-     */
-    static inline u32 DecodeAddressRegister(u32 register_value) {
-        return register_value * 8;
-    }
-};
-static_assert(std::is_standard_layout<Regs>::value, "Structure does not use standard layout");
-
-// TODO: MSVC does not support using offsetof() on non-static data members even though this
-//       is technically allowed since C++11. This macro should be enabled once MSVC adds
-//       support for that.
-#ifndef _MSC_VER
-#define ASSERT_REG_POSITION(field_name, position)                                                  \
-    static_assert(offsetof(Regs, field_name) == position * 4,                                      \
-                  "Field " #field_name " has invalid position")
-
-ASSERT_REG_POSITION(memory_fill_config[0], 0x00004);
-ASSERT_REG_POSITION(memory_fill_config[1], 0x00008);
-ASSERT_REG_POSITION(framebuffer_config[0], 0x00117);
-ASSERT_REG_POSITION(framebuffer_config[1], 0x00157);
-ASSERT_REG_POSITION(display_transfer_config, 0x00300);
-ASSERT_REG_POSITION(command_processor_config, 0x00638);
-
-#undef ASSERT_REG_POSITION
-#endif // !defined(_MSC_VER)
-
-// The total number of registers is chosen arbitrarily, but let's make sure it's not some odd value
-// anyway.
-static_assert(sizeof(Regs) == 0x1000 * sizeof(u32), "Invalid total size of register set");
-
-extern Regs g_regs;
-
-template <typename T>
-void Read(T& var, const u32 addr);
-
-template <typename T>
-void Write(u32 addr, const T data);
-
-/// Initialize hardware
-void Init();
-
-/// Shutdown hardware
-void Shutdown();
-
-} // namespace