static int AshmemCreateFileMapping(const char *name, size_t size)
{
	int fd, ret;
	fd = open(ASHMEM_DEVICE, O_RDWR);
	if (fd < 0)
		return fd;

	// We don't really care if we can't set the name, it is optional
	ioctl(fd, ASHMEM_SET_NAME, name);

	ret = ioctl(fd, ASHMEM_SET_SIZE, size);
	if (ret < 0)
	{
		close(fd);
		NOTICE_LOG(MEMMAP, "Ashmem returned error: 0x%08x", ret);
		return ret;
	}
	return fd;
}

// Close backend
void cInterfaceWGL::Shutdown()
{
	if (hRC)
	{
		if (!wglMakeCurrent(nullptr, nullptr))
			NOTICE_LOG(VIDEO, "Could not release drawing context.");

		if (!wglDeleteContext(hRC))
			ERROR_LOG(VIDEO, "Attempt to release rendering context failed.");

		hRC = nullptr;
	}

	if (hDC && !ReleaseDC(m_window_handle, hDC))
	{
		ERROR_LOG(VIDEO, "Attempt to release device context failed.");
		hDC = nullptr;
	}
}

void GPU_Vulkan::BeginHostFrame() {
	drawEngine_.BeginFrame();
	UpdateCmdInfo();

	if (resized_) {
		CheckGPUFeatures();
		// In case the GPU changed.
		BuildReportingInfo();
		framebufferManager_->Resized();
		drawEngine_.Resized();
		textureCacheVulkan_->NotifyConfigChanged();
		if (vulkan_->GetFeaturesEnabled	().wideLines) {
			drawEngine_.SetLineWidth(PSP_CoreParameter().renderWidth / 480.0f);
		}
	}
	resized_ = false;

	textureCacheVulkan_->StartFrame();

	int curFrame = vulkan_->GetCurFrame();
	FrameData &frame = frameData_[curFrame];

	frame.push_->Reset();
	frame.push_->Begin(vulkan_);

	framebufferManagerVulkan_->BeginFrameVulkan();
	framebufferManagerVulkan_->SetPushBuffer(frameData_[curFrame].push_);
	depalShaderCache_.SetPushBuffer(frameData_[curFrame].push_);
	textureCacheVulkan_->SetPushBuffer(frameData_[curFrame].push_);

	vulkan2D_.BeginFrame();

	shaderManagerVulkan_->DirtyShader();
	gstate_c.Dirty(DIRTY_ALL);

	if (dumpNextFrame_) {
		NOTICE_LOG(G3D, "DUMPING THIS FRAME");
		dumpThisFrame_ = true;
		dumpNextFrame_ = false;
	} else if (dumpThisFrame_) {
		dumpThisFrame_ = false;
	}
}

EmuScreen::EmuScreen(const std::string &filename) : invalid_(true)
{
	std::string fileToStart = filename;
	// This is probably where we should start up the emulated PSP.
	INFO_LOG(BOOT, "Starting up hardware.");

	CoreParameter coreParam;
	coreParam.cpuCore = (CPUCore)g_Config.iCpuCore;
#if defined(ARM)
	if (coreParam.cpuCore == CPU_JIT)
		coreParam.cpuCore = CPU_FASTINTERPRETER;
#endif
	coreParam.gpuCore = GPU_GLES;
	coreParam.enableSound = g_Config.bEnableSound;
	coreParam.fileToStart = fileToStart;
	coreParam.mountIso = "";
	coreParam.startPaused = false;
	coreParam.enableDebugging = false;
	coreParam.printfEmuLog = false;
	coreParam.headLess = false;
	if (g_Config.iWindowZoom < 1 || g_Config.iWindowZoom > 2)
		g_Config.iWindowZoom = 1;
	coreParam.renderWidth = 480 * g_Config.iWindowZoom;
	coreParam.renderHeight = 272 * g_Config.iWindowZoom;
	coreParam.outputWidth = dp_xres;
	coreParam.outputHeight = dp_yres;
	coreParam.pixelWidth = pixel_xres;
	coreParam.pixelHeight = pixel_yres;
	coreParam.useMediaEngine = false;
	std::string error_string;
	if (PSP_Init(coreParam, &error_string)) {
		invalid_ = false;
	} else {
		invalid_ = true;
		errorMessage_ = error_string;
		ERROR_LOG(BOOT, "%s", errorMessage_.c_str());
		return;
	}

	LayoutGamepad(dp_xres, dp_yres);

	NOTICE_LOG(BOOT, "Loading %s...", fileToStart.c_str());
}

void* MemArena::CreateView(s64 offset, size_t size, void* base)
{
#ifdef _WIN32
  return MapViewOfFileEx(hMemoryMapping, FILE_MAP_ALL_ACCESS, 0, (DWORD)((u64)offset), size, base);
#else
  void* retval = mmap(base, size, PROT_READ | PROT_WRITE,
                      MAP_SHARED | ((base == nullptr) ? 0 : MAP_FIXED), fd, offset);

  if (retval == MAP_FAILED)
  {
    NOTICE_LOG(MEMMAP, "mmap failed");
    return nullptr;
  }
  else
  {
    return retval;
  }
#endif
}

// Don't even log these by default, they're spammy and we probably won't
// need to emulate them. Useful for invalidating cached textures though,
// and in the future display lists (although hashing takes care of those
// for now).
int sceKernelDcacheInvalidateRange(u32 addr, int size)
{
#ifdef LOG_CACHE
	NOTICE_LOG(CPU,"sceKernelDcacheInvalidateRange(%08x, %i)", addr, size);
#endif
	if (size < 0 || (int) addr + size < 0)
		return SCE_KERNEL_ERROR_ILLEGAL_ADDR;

	if (size > 0)
	{
		if ((addr % 64) != 0 || (size % 64) != 0)
			return SCE_KERNEL_ERROR_CACHE_ALIGNMENT;

		if (addr != 0)
			gpu->InvalidateCache(addr, size, GPU_INVALIDATE_HINT);
	}
	hleEatCycles(190);
	return 0;
}

void SConfig::SaveSettings()
{
	NOTICE_LOG(BOOT, "Saving settings to %s", File::GetUserPath(F_DOLPHINCONFIG_IDX).c_str());
	IniFile ini;
	ini.Load(File::GetUserPath(F_DOLPHINCONFIG_IDX)); // load first to not kill unknown stuff

	SaveGeneralSettings(ini);
	SaveInterfaceSettings(ini);
	SaveDisplaySettings(ini);
	SaveGameListSettings(ini);
	SaveCoreSettings(ini);
	SaveMovieSettings(ini);
	SaveDSPSettings(ini);
	SaveInputSettings(ini);
	SaveFifoPlayerSettings(ini);

	ini.Save(File::GetUserPath(F_DOLPHINCONFIG_IDX));
	m_SYSCONF->Save();
}

LinkedShader::LinkedShader(Shader *vs, Shader *fs)
		: program(0), dirtyUniforms(0) {
	program = glCreateProgram();
	glAttachShader(program, vs->shader);
	glAttachShader(program, fs->shader);
	glLinkProgram(program);

	GLint linkStatus;
	glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
	if (linkStatus != GL_TRUE) {
		GLint bufLength = 0;
		glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
		if (bufLength) {
			char* buf = new char[bufLength];
			glGetProgramInfoLog(program, bufLength, NULL, buf);
			ERROR_LOG(G3D, "Could not link program:\n %s", buf);
			delete [] buf;	// we're dead!

			//_dbg_assert_msg_(HLE,0,"Could not link program");
		}
		return;
	}

	NOTICE_LOG(G3D, "Linked shader!");

	u_tex		= glGetUniformLocation(program, "tex");
	u_proj	 = glGetUniformLocation(program, "u_proj");
	u_texenv = glGetUniformLocation(program, "u_texenv");
	u_fogcolor = glGetUniformLocation(program, "u_fogcolor");
	u_fogparam = glGetUniformLocation(program, "u_fogparam");
	u_alpharef = glGetUniformLocation(program, "u_alpharef");

	a_position	= glGetAttribLocation(program, "a_position");
	a_color0		= glGetAttribLocation(program, "a_color0");
	a_color1		= glGetAttribLocation(program, "a_color1");
	a_texcoord	= glGetAttribLocation(program, "a_texcoord");

	glUseProgram(program);
	// Default uniform values
	glUniform1i(u_tex, 0);
	// The rest, use the "dirty" mechanism.
	dirtyUniforms = DIRTY_PROJMATRIX | DIRTY_TEXENV | DIRTY_ALPHAREF;
}

void Close()
{
	// we can't release the swapchain while in fullscreen.
	swapchain->SetFullscreenState(false, nullptr);

	// release all bound resources
	context->ClearState();
	SAFE_RELEASE(backbuf);
	SAFE_RELEASE(swapchain);
	SAFE_DELETE(stateman);
	context->Flush();  // immediately destroy device objects

	SAFE_RELEASE(context);
	ULONG references = device->Release();

#if defined(_DEBUG) || defined(DEBUGFAST)
	if (debug)
	{
		--references; // the debug interface increases the refcount of the device, subtract that.
		if (references)
		{
			// print out alive objects, but only if we actually have pending references
			// note this will also print out internal live objects to the debug console
			debug->ReportLiveDeviceObjects(D3D11_RLDO_SUMMARY | D3D11_RLDO_DETAIL);
		}
		SAFE_RELEASE(debug)
	}
#endif

	if (references)
	{
		ERROR_LOG(VIDEO, "Unreleased references: %i.", references);
	}
	else
	{
		NOTICE_LOG(VIDEO, "Successfully released all device references!");
	}
	device = nullptr;

	// unload DLLs
	UnloadD3D();
	UnloadDXGI();
}

// Close backend
void cInterfaceWGL::Shutdown()
{
	if (hRC)
	{
		if (!wglMakeCurrent(NULL, NULL))
			NOTICE_LOG(VIDEO, "Could not release drawing context.");

		if (!wglDeleteContext(hRC))
			ERROR_LOG(VIDEO, "Attempt to release rendering context failed.");

		hRC = NULL;
	}

	if (hDC && !ReleaseDC(EmuWindow::GetWnd(), hDC))
	{
		ERROR_LOG(VIDEO, "Attempt to release device context failed.");
		hDC = NULL;
	}
}

u32 DSPHost_CodeLoaded(const u8 *ptr, int size)
{
	u32 ector_crc = HashEctor(ptr, size);

#if defined(_DEBUG) || defined(DEBUGFAST)
	DumpDSPCode(ptr, size, ector_crc);
#endif

	DSPSymbols::Clear();

	// Auto load text file - if none just disassemble.
	
	NOTICE_LOG(DSPLLE, "ector_crc: %08x", ector_crc);

	DSPSymbols::Clear();
	bool success = false;
	switch (ector_crc)
	{
		case 0x86840740: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_Zelda.txt"); break;
		case 0x42f64ac4: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_Luigi.txt"); break;
		case 0x07f88145: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AX_07F88145.txt"); break;
		case 0x3ad3b7ac: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AX_3AD3B7AC.txt"); break;
		case 0x3daf59b9: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AX_3DAF59B9.txt"); break;
		case 0x4e8a8b21: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AX_4E8A8B21.txt"); break;
		case 0xe2136399: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AX_E2136399.txt"); break;
		case 0xdd7e72d5: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_GBA.txt"); break;
		case 0x347112BA: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_AXWii.txt"); break;
		case 0xD643001F: success = DSPSymbols::ReadAnnotatedAssembly("../../docs/DSP/DSP_UC_SuperMarioGalaxy.txt"); break;
		default: success = false; break;
	}

	if (!success) {
		DSPSymbols::AutoDisassembly(0x0, 0x1000);
	}

	// Always add the ROM.
	DSPSymbols::AutoDisassembly(0x8000, 0x9000);

	DSPHost_UpdateDebugger();

	return ector_crc;
}

IVolume* CreateVolumeFromFilename(const std::string& _rFilename, u32 _PartitionGroup, u32 _VolumeNum)
{
	IBlobReader* pReader = CreateBlobReader(_rFilename);
	if (pReader == nullptr)
		return nullptr;

	switch (GetDiscType(*pReader))
	{
		case DISC_TYPE_WII:
		case DISC_TYPE_GC:
			return new CVolumeGC(pReader);

		case DISC_TYPE_WAD:
			return new CVolumeWAD(pReader);

		case DISC_TYPE_WII_CONTAINER:
		{
			u8 region;
			pReader->Read(0x3,1,&region);

			IVolume* pVolume = CreateVolumeFromCryptedWiiImage(*pReader, _PartitionGroup, 0, _VolumeNum, region == 'K');

			if (pVolume == nullptr)
			{
				delete pReader;
			}

			return pVolume;
		}

		case DISC_TYPE_UNK:
		default:
			std::string Filename, ext;
			SplitPath(_rFilename, nullptr, &Filename, &ext);
			Filename += ext;
			NOTICE_LOG(DISCIO, "%s does not have the Magic word for a gcm, wiidisc or wad file\n"
						"Set Log Verbosity to Warning and attempt to load the game again to view the values", Filename.c_str());
			delete pReader;
	}

	return nullptr;
}

void GetServiceHandle(Service::Interface* self) {
    Syscall::Result res = 0;
    u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);

    std::string port_name = std::string((const char*)&cmd_buff[1], 0, Service::kMaxPortSize);
    Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);

    NOTICE_LOG(OSHLE, "SRV::Sync - GetHandle - port: %s, handle: 0x%08X", port_name.c_str(), 
        service->GetUID());

    if (NULL != service) {
        cmd_buff[3] = service->GetUID();
    } else {
        ERROR_LOG(OSHLE, "Service %s does not exist", port_name.c_str());
        res = -1;
    }
    cmd_buff[1] = res;

    //return res;
}

inline void init_lib()
{
  static bool initialized = false;

  if (!initialized)
  {
    // Only try once
    initialized = true;

    // After these calls, we know all dynamically loaded APIs will either all be valid or
    // all nullptr.
    if (!load_hid() || !load_bthprops())
    {
      NOTICE_LOG(WIIMOTE, "Failed to load Bluetooth support libraries, Wiimotes will not function");
      return;
    }

    s_loaded_ok = true;
  }
}

static void gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size)
{
	UnWriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);

	u8* dst = ((u8*)g_dsp.iram);
	for (u32 i = 0; i < size; i += 2)
	{ 
		*(u16*)&dst[dsp_addr + i] = Common::swap16(*(const u16*)&g_dsp.cpu_ram[(addr + i) & 0x0fffffff]);
	}
	WriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);

	g_dsp.iram_crc = DSPHost_CodeLoaded(g_dsp.cpu_ram + (addr & 0x0fffffff), size);
	
	NOTICE_LOG(DSPLLE, "*** Copy new UCode from 0x%08x to 0x%04x (crc: %8x)", addr, dsp_addr, g_dsp.iram_crc);

	if (dspjit)
		dspjit->ClearIRAM();
	
	DSPAnalyzer::Analyze();
}

WiimoteScanner::WiimoteScanner()
	: device_id(-1)
	, device_sock(-1)
{
	// Get the id of the first Bluetooth device.
	device_id = hci_get_route(nullptr);
	if (device_id < 0)
	{
		NOTICE_LOG(WIIMOTE, "Bluetooth not found.");
		return;
	}

	// Create a socket to the device
	device_sock = hci_open_dev(device_id);
	if (device_sock < 0)
	{
		ERROR_LOG(WIIMOTE, "Unable to open Bluetooth.");
		return;
	}
}

void ShaderManagerVulkan::SaveCache(FILE *f) {
	VulkanCacheHeader header{};
	header.magic = CACHE_HEADER_MAGIC;
	header.version = CACHE_VERSION;
	header.featureFlags = gstate_c.featureFlags;
	header.reserved = 0;
	header.numVertexShaders = (int)vsCache_.size();
	header.numFragmentShaders = (int)fsCache_.size();
	bool writeFailed = fwrite(&header, sizeof(header), 1, f) != 1;
	vsCache_.Iterate([&](const VShaderID &id, VulkanVertexShader *vs) {
		writeFailed = writeFailed || fwrite(&id, sizeof(id), 1, f) != 1;
	});
	fsCache_.Iterate([&](const FShaderID &id, VulkanFragmentShader *fs) {
		writeFailed = writeFailed || fwrite(&id, sizeof(id), 1, f) != 1;
	});
	if (writeFailed) {
		ERROR_LOG(G3D, "Failed to write Vulkan shader cache, disk full?");
	} else {
		NOTICE_LOG(G3D, "Saved %d vertex and %d fragment shaders", header.numVertexShaders, header.numFragmentShaders);
	}
}

// FIXME: stmw should do a total rollback if a DSI occurs
void Interpreter::stmw(UGeckoInstruction inst)
{
  u32 address = Helper_Get_EA(inst);

  if ((address & 0b11) != 0 || UReg_MSR{MSR}.LE)
  {
    GenerateAlignmentException(address);
    return;
  }

  for (int i = inst.RS; i <= 31; i++, address += 4)
  {
    PowerPC::Write_U32(rGPR[i], address);
    if (PowerPC::ppcState.Exceptions & EXCEPTION_DSI)
    {
      PanicAlert("DSI exception in stmw");
      NOTICE_LOG(POWERPC, "DSI exception in stmw");
      return;
    }
  }
}

bool LibusbDevice::Attach()
{
  if (m_device_attached)
    return true;

  if (!m_handle)
  {
    NOTICE_LOG(IOS_USB, "[%04x:%04x] Opening device", m_vid, m_pid);
    const int ret = libusb_open(m_device, &m_handle);
    if (ret != 0)
    {
      ERROR_LOG(IOS_USB, "[%04x:%04x] Failed to open: %s", m_vid, m_pid, libusb_error_name(ret));
      m_handle = nullptr;
      return false;
    }
  }
  if (ClaimAllInterfaces(DEFAULT_CONFIG_NUM) < 0)
    return false;
  m_device_attached = true;
  return true;
}

void Host_SetWiiMoteConnectionState(int _State)
{
	static int currentState = -1;
	if (_State == currentState)
		return;
	currentState = _State;

	wxCommandEvent event(wxEVT_HOST_COMMAND, IDM_UPDATESTATUSBAR);

	switch (_State)
	{
	case 0: event.SetString(_("Not connected")); break;
	case 1: event.SetString(_("Connecting...")); break;
	case 2: event.SetString(_("Wiimote Connected")); break;
	}
	// Update field 1 or 2
	event.SetInt(1);

	NOTICE_LOG(WIIMOTE, "%s", static_cast<const char*>(event.GetString().c_str()));

	main_frame->GetEventHandler()->AddPendingEvent(event);
}