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CxbxKrnl.cpp
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CxbxKrnl.cpp
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// This is an open source non-commercial project. Dear PVS-Studio, please check it.
// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
// ******************************************************************
// *
// * .,-::::: .,:: .::::::::. .,:: .:
// * ,;;;'````' `;;;, .,;; ;;;'';;' `;;;, .,;;
// * [[[ '[[,,[[' [[[__[[\. '[[,,[['
// * $$$ Y$$$P $$""""Y$$ Y$$$P
// * `88bo,__,o, oP"``"Yo, _88o,,od8P oP"``"Yo,
// * "YUMMMMMP",m" "Mm,""YUMMMP" ,m" "Mm,
// *
// * Cxbx->Win32->CxbxKrnl->CxbxKrnl.cpp
// *
// * This file is part of the Cxbx project.
// *
// * Cxbx and Cxbe are free software; you can redistribute them
// * and/or modify them under the terms of the GNU General Public
// * License as published by the Free Software Foundation; either
// * version 2 of the license, or (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have recieved a copy of the GNU General Public License
// * along with this program; see the file COPYING.
// * If not, write to the Free Software Foundation, Inc.,
// * 59 Temple Place - Suite 330, Bostom, MA 02111-1307, USA.
// *
// * (c) 2002-2003 Aaron Robinson <caustik@caustik.com>
// *
// * All rights reserved
// *
// ******************************************************************
#define _XBOXKRNL_DEFEXTRN_
/* prevent name collisions */
namespace xboxkrnl
{
#include <xboxkrnl/xboxkrnl.h>
};
#include "CxbxKrnl.h"
#include "CxbxVersion.h"
#include "Emu.h"
#include "EmuX86.h"
#include "EmuFile.h"
#include "EmuFS.h"
#include "EmuEEPROM.h" // For CxbxRestoreEEPROM, EEPROM, XboxFactoryGameRegion
#include "EmuKrnl.h"
#include "EmuShared.h"
#include "EmuNV2A.h" // For InitOpenGLContext
#include "HLEIntercept.h"
#include "ReservedMemory.h" // For virtual_memory_placeholder
#include "VMManager.h"
#include <shlobj.h>
#include <clocale>
#include <process.h>
#include <Shlwapi.h>
#include <time.h> // For time()
#include <sstream> // For std::ostringstream
#include "Xbox.h" // For InitXboxHardware()
#include "EEPROMDevice.h" // For g_EEPROM
#include "LED.h" // For LED::Sequence
/* prevent name collisions */
namespace NtDll
{
#include "EmuNtDll.h"
};
/*! thread local storage */
Xbe::TLS *CxbxKrnl_TLS = NULL;
/*! thread local storage data */
void *CxbxKrnl_TLSData = NULL;
/*! xbe header structure */
Xbe::Header *CxbxKrnl_XbeHeader = NULL;
/*! parent window handle */
HWND CxbxKrnl_hEmuParent = NULL;
DebugMode CxbxKrnl_DebugMode = DebugMode::DM_NONE;
char* CxbxKrnl_DebugFileName = NULL;
Xbe::Certificate *g_pCertificate = NULL;
/*! thread handles */
static HANDLE g_hThreads[MAXIMUM_XBOX_THREADS] = { 0 };
char szFilePath_CxbxReloaded_Exe[MAX_PATH] = { 0 };
char szFolder_CxbxReloadedData[MAX_PATH] = { 0 };
char szFilePath_EEPROM_bin[MAX_PATH] = { 0 };
char szFilePath_memory_bin[MAX_PATH] = { 0 };
std::string CxbxBasePath;
HANDLE CxbxBasePathHandle;
Xbe* CxbxKrnl_Xbe = NULL;
XbeType g_XbeType = xtRetail;
bool g_bIsChihiro = false;
bool g_bIsDebug = false;
DWORD_PTR g_CPUXbox = 0;
DWORD_PTR g_CPUOthers = 0;
HANDLE g_CurrentProcessHandle = 0; // Set in CxbxKrnlMain
bool g_IsWine = false;
// Define function located in EmuXApi so we can call it from here
void SetupXboxDeviceTypes();
// ported from Dxbx's XbeExplorer
XbeType GetXbeType(Xbe::Header *pXbeHeader)
{
// Detect if the XBE is for Chihiro (Untested!) :
// This is based on https://github.com/radare/radare2/blob/master/libr/bin/p/bin_xbe.c#L45
if ((pXbeHeader->dwEntryAddr & 0xf0000000) == 0x40000000)
return xtChihiro;
// Check for Debug XBE, using high bit of the kernel thunk address :
// (DO NOT test like https://github.com/radare/radare2/blob/master/libr/bin/p/bin_xbe.c#L49 !)
if ((pXbeHeader->dwKernelImageThunkAddr & 0x80000000) > 0)
return xtDebug;
// Otherwise, the XBE is a Retail build :
return xtRetail;
}
void ApplyMediaPatches()
{
// Patch the XBE Header to allow running from all media types
g_pCertificate->dwAllowedMedia |= 0
| XBEIMAGE_MEDIA_TYPE_HARD_DISK
| XBEIMAGE_MEDIA_TYPE_DVD_X2
| XBEIMAGE_MEDIA_TYPE_DVD_CD
| XBEIMAGE_MEDIA_TYPE_CD
| XBEIMAGE_MEDIA_TYPE_DVD_5_RO
| XBEIMAGE_MEDIA_TYPE_DVD_9_RO
| XBEIMAGE_MEDIA_TYPE_DVD_5_RW
| XBEIMAGE_MEDIA_TYPE_DVD_9_RW
;
// Patch the XBE Header to allow running on all regions
g_pCertificate->dwGameRegion = 0
| XBEIMAGE_GAME_REGION_MANUFACTURING
| XBEIMAGE_GAME_REGION_NA
| XBEIMAGE_GAME_REGION_JAPAN
| XBEIMAGE_GAME_REGION_RESTOFWORLD
;
// Patch the XBE Security Flag
// This field is only present if the Xbe Size is >= than our Certificate Structure
// This works as our structure is large enough to fit the newer certificate size,
// while dwSize is the actual size of the certificate in the Xbe.
// Source: Various Hacked Kernels
if (g_pCertificate->dwSize >= sizeof(Xbe::Certificate)) {
g_pCertificate->dwSecurityFlags &= ~1;
}
}
void SetupPerTitleKeys()
{
// Generate per-title keys from the XBE Certificate
UCHAR Digest[20] = {};
// Set the LAN Key
xboxkrnl::XcHMAC(xboxkrnl::XboxCertificateKey, xboxkrnl::XBOX_KEY_LENGTH, g_pCertificate->bzLanKey, xboxkrnl::XBOX_KEY_LENGTH, NULL, 0, Digest);
memcpy(xboxkrnl::XboxLANKey, Digest, xboxkrnl::XBOX_KEY_LENGTH);
// Signature Key
xboxkrnl::XcHMAC(xboxkrnl::XboxCertificateKey, xboxkrnl::XBOX_KEY_LENGTH, g_pCertificate->bzSignatureKey, xboxkrnl::XBOX_KEY_LENGTH, NULL, 0, Digest);
memcpy(xboxkrnl::XboxSignatureKey, Digest, xboxkrnl::XBOX_KEY_LENGTH);
// Alternate Signature Keys
for (int i = 0; i < xboxkrnl::ALTERNATE_SIGNATURE_COUNT; i++) {
xboxkrnl::XcHMAC(xboxkrnl::XboxCertificateKey, xboxkrnl::XBOX_KEY_LENGTH, g_pCertificate->bzTitleAlternateSignatureKey[i], xboxkrnl::XBOX_KEY_LENGTH, NULL, 0, Digest);
memcpy(xboxkrnl::XboxAlternateSignatureKeys[i], Digest, xboxkrnl::XBOX_KEY_LENGTH);
}
}
void CxbxLaunchXbe(void(*Entry)())
{
__try
{
Entry();
}
__except (EmuException(GetExceptionInformation()))
{
EmuWarning("Problem with ExceptionFilter");
}
}
// Entry point address XOR keys per Xbe type (Retail, Debug or Chihiro) :
const DWORD XOR_EP_KEY[3] = { XOR_EP_RETAIL, XOR_EP_DEBUG, XOR_EP_CHIHIRO };
// Kernel thunk address XOR keys per Xbe type (Retail, Debug or Chihiro) :
const DWORD XOR_KT_KEY[3] = { XOR_KT_RETAIL, XOR_KT_DEBUG, XOR_KT_CHIHIRO };
// Executable image header pointers (it's contents can be switched between
// Exe-compatibility and Xbe-identical mode, using RestoreExeImageHeader
// vs RestoreXbeImageHeader) :
const PIMAGE_DOS_HEADER ExeDosHeader = (PIMAGE_DOS_HEADER)XBE_IMAGE_BASE;
PIMAGE_NT_HEADERS ExeNtHeader = nullptr;
PIMAGE_OPTIONAL_HEADER ExeOptionalHeader = nullptr;
// Copy of original executable image headers, used both as backup and valid replacement structure :
PIMAGE_DOS_HEADER NewDosHeader = nullptr;
PIMAGE_NT_HEADERS NewNtHeader = nullptr;
PIMAGE_OPTIONAL_HEADER NewOptionalHeader = nullptr;
// Xbe backup values. RestoreXbeImageHeader place these into ExeHeader to restore loaded Xbe contents.
WORD Xbe_magic = 0;
LONG Xbe_lfanew = 0;
IMAGE_DATA_DIRECTORY Xbe_TLS = { };
// Remember the current XBE contents of the executable image
// header fields that RestoreExeImageHeader needs to restore.
void StoreXbeImageHeader()
{
Xbe_magic = ExeDosHeader->e_magic; // Normally 0x4258 = 'XB'; (...'EH')
Xbe_lfanew = ExeDosHeader->e_lfanew;
Xbe_TLS = ExeOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS];
}
// Restore memory to the exact contents as loaded from the current XBE.
// Avoid threadswitches and calling Windows API's while this in effect
// because those can fail. Hence, RestoreExeImageHeader quickly again!
void RestoreXbeImageHeader()
{
ExeDosHeader->e_magic = Xbe_magic; // Sets XbeHeader.dwMagic
ExeDosHeader->e_lfanew = Xbe_lfanew; // Sets part of XbeHeader.pbDigitalSignature
ExeOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] = Xbe_TLS;
}
// Restore memory to the exact contents loaded from the running EXE.
// This is required to keep thread-switching and Windows API's working.
void RestoreExeImageHeader()
{
ExeDosHeader->e_magic = NewDosHeader->e_magic; // = 0x5A4D = 'MZ'; Overwrites XbeHeader.dwMagic
ExeDosHeader->e_lfanew = NewDosHeader->e_lfanew; // Overwrites part of XbeHeader.pbDigitalSignature
ExeOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] = NewOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS];
}
typedef const char* (CDECL *LPFN_WINEGETVERSION)(void);
LPFN_WINEGETVERSION wine_get_version;
// Returns the Win32 error in string format. Returns an empty string if there is no error.
std::string CxbxGetErrorCodeAsString(DWORD errorCode)
{
std::string result;
LPSTR lpMessageBuffer = nullptr;
DWORD dwLength = FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, // lpSource
errorCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&lpMessageBuffer,
0, // nSize
NULL); // Arguments
if (dwLength > 0) {
result = std::string(lpMessageBuffer, dwLength);
}
LocalFree(lpMessageBuffer);
return result;
}
// Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string CxbxGetLastErrorString(char * lpszFunction)
{
DWORD errorCode = ::GetLastError(); // Do this first, before any following code changes it
std::string result = "No error";
if (errorCode > 0) {
std::ostringstream stringStream;
stringStream << lpszFunction << " failed with error " << errorCode << ": " << CxbxGetErrorCodeAsString(errorCode);
result = stringStream.str();
}
return result;
}
void *CxbxRestoreContiguousMemory(char *szFilePath_memory_bin)
{
// First, try to open an existing memory.bin file :
HANDLE hFile = CreateFile(szFilePath_memory_bin,
GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
/* lpSecurityAttributes */nullptr,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, // FILE_FLAG_WRITE_THROUGH
/* hTemplateFile */nullptr);
bool NeedsInitialization = (hFile == INVALID_HANDLE_VALUE);
if (NeedsInitialization)
{
// If the memory.bin file doesn't exist yet, create it :
hFile = CreateFile(szFilePath_memory_bin,
GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
/* lpSecurityAttributes */nullptr,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL, // FILE_FLAG_WRITE_THROUGH
/* hTemplateFile */nullptr);
if (hFile == INVALID_HANDLE_VALUE)
{
CxbxKrnlCleanup("CxbxRestoreContiguousMemory : Couldn't create memory.bin file!\n");
return nullptr;
}
}
// Make sure memory.bin is at least 128 MB in size
SetFilePointer(hFile, CHIHIRO_MEMORY_SIZE, nullptr, FILE_BEGIN);
SetEndOfFile(hFile);
HANDLE hFileMapping = CreateFileMapping(
hFile,
/* lpFileMappingAttributes */nullptr,
PAGE_EXECUTE_READWRITE,
/* dwMaximumSizeHigh */0,
/* dwMaximumSizeLow */CHIHIRO_MEMORY_SIZE,
/**/nullptr);
if (hFileMapping == NULL)
{
CxbxKrnlCleanup("CxbxRestoreContiguousMemory : Couldn't create contiguous memory.bin file mapping!\n");
return nullptr;
}
LARGE_INTEGER len_li;
GetFileSizeEx(hFile, &len_li);
unsigned int FileSize = len_li.u.LowPart;
if (FileSize != CHIHIRO_MEMORY_SIZE)
{
CxbxKrnlCleanup("CxbxRestoreContiguousMemory : memory.bin file is not 128 MiB large!\n");
return nullptr;
}
// Map memory.bin contents into memory :
void *memory = (void *)MapViewOfFileEx(
hFileMapping,
FILE_MAP_READ | FILE_MAP_WRITE | FILE_MAP_EXECUTE,
/* dwFileOffsetHigh */0,
/* dwFileOffsetLow */0,
CONTIGUOUS_MEMORY_CHIHIRO_SIZE,
(void *)CONTIGUOUS_MEMORY_BASE);
if (memory != (void *)CONTIGUOUS_MEMORY_BASE)
{
if (memory)
UnmapViewOfFile(memory);
CxbxKrnlCleanup("CxbxRestoreContiguousMemory: Couldn't map contiguous memory.bin to 0x80000000!");
return nullptr;
}
printf("[0x%.4X] INIT: Mapped %d MiB of Xbox contiguous memory at 0x%.8X to 0x%.8X\n",
GetCurrentThreadId(), CONTIGUOUS_MEMORY_CHIHIRO_SIZE / ONE_MB, CONTIGUOUS_MEMORY_BASE, CONTIGUOUS_MEMORY_BASE + CONTIGUOUS_MEMORY_CHIHIRO_SIZE - 1);
if (NeedsInitialization)
{
memset(memory, 0, CONTIGUOUS_MEMORY_CHIHIRO_SIZE);
printf("[0x%.4X] INIT: Initialized contiguous memory\n", GetCurrentThreadId());
}
else
printf("[0x%.4X] INIT: Loaded contiguous memory.bin\n", GetCurrentThreadId());
size_t tiledMemorySize = TILED_MEMORY_CHIHIRO_SIZE;
if (g_IsWine) {
printf("Wine detected: Using 64MB Tiled Memory Size\n");
// TODO: Figure out why Wine needs this and Windows doesn't.
// Perhaps it's a Wine bug, or perhaps Wine reserves this memory for it's own usage?
tiledMemorySize = TILED_MEMORY_XBOX_SIZE;
}
// Map memory.bin contents into tiled memory too :
void *tiled_memory = (void *)MapViewOfFileEx(
hFileMapping,
FILE_MAP_READ | FILE_MAP_WRITE,
/* dwFileOffsetHigh */0,
/* dwFileOffsetLow */0,
tiledMemorySize,
(void *)TILED_MEMORY_BASE);
if (tiled_memory != (void *)TILED_MEMORY_BASE)
{
if (tiled_memory)
UnmapViewOfFile(tiled_memory);
CxbxKrnlCleanup("CxbxRestoreContiguousMemory: Couldn't map contiguous memory.bin into tiled memory at 0xF0000000!");
return nullptr;
}
printf("[0x%.4X] INIT: Mapped contiguous memory to Xbox tiled memory at 0x%.8X to 0x%.8X\n",
GetCurrentThreadId(), TILED_MEMORY_BASE, TILED_MEMORY_BASE + TILED_MEMORY_CHIHIRO_SIZE - 1);
// Initialize the virtual manager :
g_VMManager.Initialize(hFileMapping);
return memory;
}
#pragma optimize("", off)
void CxbxPopupMessage(const char *message, ...)
{
char Buffer[1024];
va_list argp;
va_start(argp, message);
vsprintf(Buffer, message, argp);
va_end(argp);
DbgPrintf("Popup : %s\n", Buffer);
MessageBox(NULL, Buffer, TEXT("Cxbx-Reloaded"), MB_OK | MB_ICONEXCLAMATION | MB_TOPMOST | MB_SETFOREGROUND);
}
void PrintCurrentConfigurationLog()
{
// Print environment information
{
// Get Windows Version
DWORD dwVersion = 0;
DWORD dwMajorVersion = 0;
DWORD dwMinorVersion = 0;
DWORD dwBuild = 0;
// TODO: GetVersion is deprecated but we use it anyway (for now)
// The correct solution is to use GetProductInfo but that function
// requires more logic to parse the response, and I didn't feel
// like building it just yet :P
dwVersion = GetVersion();
dwMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion)));
dwMinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion)));
// Get the build number.
if (dwVersion < 0x80000000) {
dwBuild = (DWORD)(HIWORD(dwVersion));
}
printf("------------------------ENVIRONMENT DETAILS-------------------------\n");
if (g_IsWine) {
printf("Wine %s\n", wine_get_version());
printf("Presenting as Windows %d.%d (%d)\n", dwMajorVersion, dwMinorVersion, dwBuild);
} else {
printf("Windows %d.%d (%d)\n", dwMajorVersion, dwMinorVersion, dwBuild);
}
}
// Print current LLE configuration
{
printf("---------------------------- LLE CONFIG ----------------------------\n");
printf("LLE for APU is %s\n", bLLE_APU ? "enabled" : "disabled");
printf("LLE for GPU is %s\n", bLLE_GPU ? "enabled" : "disabled");
printf("LLE for JIT is %s\n", bLLE_JIT ? "enabled" : "disabled");
}
// Print current INPUT configuration
{
printf("--------------------------- INPUT CONFIG ---------------------------\n");
printf("Using %s\n", g_XInputEnabled ? "XInput" : "DirectInput");
}
// Print current video configuration
{
XBVideo XBVideoConf;
g_EmuShared->GetXBVideo(&XBVideoConf);
printf("--------------------------- VIDEO CONFIG ---------------------------\n");
printf("Direct3D Device: %s\n", XBVideoConf.GetDirect3DDevice() == 0 ? "Direct3D HAL (Hardware Accelerated)" : "Direct3D REF (Software)");
printf("Video Resolution: %s\n", XBVideoConf.GetVideoResolution());
printf("Force VSync is %s\n", XBVideoConf.GetVSync() ? "enabled" : "disabled");
printf("Fullscreen is %s\n", XBVideoConf.GetFullscreen() ? "enabled" : "disabled");
printf("Hardware YUV is %s\n", XBVideoConf.GetHardwareYUV() ? "enabled" : "disabled");
}
// Print current audio configuration
{
XBAudio XBAudioConf;
g_EmuShared->GetXBAudio(&XBAudioConf);
printf("--------------------------- AUDIO CONFIG ---------------------------\n");
printf("Audio Adapter: %s\n", XBAudioConf.GetAudioAdapter().Data1 == 0 ? "Primary Audio Device" : "Secondary Audio Device");
printf("Legacy Audio Hack is %s\n", XBAudioConf.GetLegacyAudioHack() ? "enabled" : "disabled");
printf("PCM is %s\n", XBAudioConf.GetPCM() ? "enabled" : "disabled");
printf("XADPCM is %s\n", XBAudioConf.GetXADPCM() ? "enabled" : "disabled");
printf("Unknown Codec is %s\n", XBAudioConf.GetUnknownCodec() ? "enabled" : "disabled");
}
// Print Enabled Hacks
{
printf("--------------------------- HACKS CONFIG ---------------------------\n");
printf("Disable Pixel Shaders: %s\n", g_DisablePixelShaders == 0 ? "enabled" : "disabled");
}
printf("------------------------- END OF CONFIG LOG ------------------------\n");
}
static unsigned int WINAPI CxbxKrnlInterruptThread(PVOID param)
{
// Make sure Xbox1 code runs on one core :
InitXboxThread(g_CPUXbox);
while (true) {
for (int i = 0; i < MAX_BUS_INTERRUPT_LEVEL; i++) {
// If the interrupt is pending and connected, process it
if (HalSystemInterrupts[i].IsPending() && EmuInterruptList[i]->Connected) {
HalSystemInterrupts[i].Trigger(EmuInterruptList[i]);
}
}
SwitchToThread();
}
return 0;
}
void CxbxKrnlMain(int argc, char* argv[])
{
// Skip '/load' switch
// Get XBE Name :
std::string xbePath = argv[2];
// Get DCHandle :
HWND hWnd = 0;
if (argc > 2) {
hWnd = (HWND)StrToInt(argv[3]);
}
// Get KernelDebugMode :
DebugMode DbgMode = DebugMode::DM_NONE;
if (argc > 3) {
DbgMode = (DebugMode)StrToInt(argv[4]);
}
// Get KernelDebugFileName :
std::string DebugFileName;
if (argc > 4) {
DebugFileName = argv[5];
}
// debug console allocation (if configured)
if (DbgMode == DM_CONSOLE)
{
if (AllocConsole())
{
HANDLE StdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
// Maximise the console scroll buffer height :
CONSOLE_SCREEN_BUFFER_INFO coninfo;
GetConsoleScreenBufferInfo(StdHandle, &coninfo);
coninfo.dwSize.Y = SHRT_MAX - 1; // = 32767-1 = 32766 = maximum value that works
SetConsoleScreenBufferSize(StdHandle, coninfo.dwSize);
freopen("CONOUT$", "wt", stdout);
freopen("CONIN$", "rt", stdin);
SetConsoleTitle("Cxbx-Reloaded : Kernel Debug Console");
SetConsoleTextAttribute(StdHandle, FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_RED);
}
}
else
{
FreeConsole();
if (DbgMode == DM_FILE)
freopen(DebugFileName.c_str(), "wt", stdout);
else
{
char buffer[16];
if (GetConsoleTitle(buffer, 16) != NULL)
freopen("nul", "w", stdout);
}
}
g_CurrentProcessHandle = GetCurrentProcess(); // OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
// Write a header to the log
{
printf("[0x%.4X] INIT: Cxbx-Reloaded Version %s\n", GetCurrentThreadId(), _CXBX_VERSION);
time_t startTime = time(nullptr);
struct tm* tm_info = localtime(&startTime);
char timeString[26];
strftime(timeString, 26, "%F %T", tm_info);
printf("[0x%.4X] INIT: Log started at %s\n", GetCurrentThreadId(), timeString);
#ifdef _DEBUG_TRACE
printf("[0x%.4X] INIT: Debug Trace Enabled.\n", GetCurrentThreadId());
#else
printf("[0x%.4X] INIT: Debug Trace Disabled.\n", GetCurrentThreadId());
#endif
}
// Detect Wine
g_IsWine = false;
HMODULE hNtDll = GetModuleHandle("ntdll.dll");
if (hNtDll != nullptr) {
wine_get_version = (LPFN_WINEGETVERSION)GetProcAddress(hNtDll, "wine_get_version");
if (wine_get_version) {
g_IsWine = true;
}
}
// Now we got the arguments, start by initializing the Xbox memory map :
// PrepareXBoxMemoryMap()
{
// Our executable DOS image header must be loaded at 0x00010000
// Assert(ExeDosHeader == XBE_IMAGE_BASE);
// Determine EXE's header locations & size :
ExeNtHeader = (PIMAGE_NT_HEADERS)((ULONG_PTR)ExeDosHeader + ExeDosHeader->e_lfanew); // = + 0x138
ExeOptionalHeader = (PIMAGE_OPTIONAL_HEADER)&(ExeNtHeader->OptionalHeader);
// verify base of code of our executable is 0x00001000
if (ExeNtHeader->OptionalHeader.BaseOfCode != CXBX_BASE_OF_CODE)
{
CxbxPopupMessage("Cxbx-Reloaded executuable requires it's base of code to be 0x00001000");
return; // TODO : Halt(0);
}
// verify virtual_memory_placeholder is located at 0x00011000
if ((UINT_PTR)(&(virtual_memory_placeholder[0])) != (XBE_IMAGE_BASE + CXBX_BASE_OF_CODE))
{
CxbxPopupMessage("virtual_memory_placeholder is not loaded to base address 0x00011000 (which is a requirement for Xbox emulation)");
return; // TODO : Halt(0);
}
// Create a safe copy of the complete EXE header:
DWORD ExeHeaderSize = ExeOptionalHeader->SizeOfHeaders; // Should end up as 0x400
NewDosHeader = (PIMAGE_DOS_HEADER)VirtualAlloc(nullptr, ExeHeaderSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
memcpy(NewDosHeader, ExeDosHeader, ExeHeaderSize);
// Determine NewOptionalHeader, required by RestoreExeImageHeader
NewNtHeader = (PIMAGE_NT_HEADERS)((ULONG_PTR)NewDosHeader + ExeDosHeader->e_lfanew);
NewOptionalHeader = (PIMAGE_OPTIONAL_HEADER)&(NewNtHeader->OptionalHeader);
// Make sure the new DOS header points to the new relative NtHeader location:
NewDosHeader->e_lfanew = (ULONG_PTR)NewNtHeader - XBE_IMAGE_BASE;
// Note : NewOptionalHeader->ImageBase can stay at ExeOptionalHeader->ImageBase = 0x00010000
// Note : Since virtual_memory_placeholder prevents overlap between reserved xbox memory
// and Cxbx.exe sections, section headers don't have to be patched up.
// Mark the virtual memory range completely accessible
DWORD OldProtection;
VirtualProtect((void*)XBE_IMAGE_BASE, XBE_MAX_VA - XBE_IMAGE_BASE, PAGE_EXECUTE_READWRITE, &OldProtection);
// Clear out the virtual memory range
memset((void*)XBE_IMAGE_BASE, 0, XBE_MAX_VA - XBE_IMAGE_BASE);
// Restore enough of the executable image headers to keep WinAPI's working :
RestoreExeImageHeader();
}
CxbxRestoreContiguousMemory(szFilePath_memory_bin);
EEPROM = CxbxRestoreEEPROM(szFilePath_EEPROM_bin);
if (EEPROM == nullptr)
{
CxbxPopupMessage("Couldn't init EEPROM!");
return; // TODO : Halt(0);
}
// TODO : Instead of loading an Xbe here, initialize the kernel so that it will launch the Xbe on itself.
// using XeLoadImage from LaunchDataPage->Header.szLaunchPath
// Now we can load and run the XBE :
// MapAndRunXBE(XbePath, DCHandle);
{
// Load Xbe (this one will reside above WinMain's virtual_memory_placeholder)
g_EmuShared->SetXbePath(xbePath.c_str());
CxbxKrnl_Xbe = new Xbe(xbePath.c_str()); // TODO : Instead of using the Xbe class, port Dxbx _ReadXbeBlock()
if (CxbxKrnl_Xbe->HasFatalError()) {
CxbxKrnlCleanup(CxbxKrnl_Xbe->GetError().c_str());
return;
}
// Detect XBE type :
g_XbeType = GetXbeType(&CxbxKrnl_Xbe->m_Header);
// Register if we're running an Chihiro executable or a debug xbe (otherwise it's an Xbox retail executable)
g_bIsChihiro = (g_XbeType == xtChihiro);
g_bIsDebug = (g_XbeType == xtDebug);
if (g_bIsChihiro || g_bIsDebug)
{
// Initialize the Chihiro/Debug - specific memory ranges
g_VMManager.InitializeChihiroDebug();
}
CxbxRestorePersistentMemoryRegions();
// Copy over loaded Xbe Headers to specified base address
memcpy((void*)CxbxKrnl_Xbe->m_Header.dwBaseAddr, &CxbxKrnl_Xbe->m_Header, sizeof(Xbe::Header));
memcpy((void*)(CxbxKrnl_Xbe->m_Header.dwBaseAddr + sizeof(Xbe::Header)), CxbxKrnl_Xbe->m_HeaderEx, CxbxKrnl_Xbe->m_ExSize);
// Load all sections marked as preload using the in-memory copy of the xbe header
xboxkrnl::PXBEIMAGE_SECTION sectionHeaders = (xboxkrnl::PXBEIMAGE_SECTION)CxbxKrnl_Xbe->m_Header.dwSectionHeadersAddr;
for (uint32 i = 0; i < CxbxKrnl_Xbe->m_Header.dwSections; i++) {
if ((sectionHeaders[i].Flags & XBEIMAGE_SECTION_PRELOAD) != 0) {
NTSTATUS result = xboxkrnl::XeLoadSection(§ionHeaders[i]);
if (FAILED(result)) {
CxbxKrnlCleanup("Failed to preload XBE section: %s", CxbxKrnl_Xbe->m_szSectionName[i]);
}
}
}
// We need to remember a few XbeHeader fields, so we can switch between a valid ExeHeader and XbeHeader :
StoreXbeImageHeader();
// Restore enough of the executable image headers to keep WinAPI's working :
RestoreExeImageHeader();
}
// Before readout, make sure our kernel thunk table references the Windows host timer addresses :
ConnectWindowsTimersToThunkTable();
// Decode kernel thunk table address :
uint32_t kt = CxbxKrnl_Xbe->m_Header.dwKernelImageThunkAddr;
kt ^= XOR_KT_KEY[g_XbeType];
// Process the Kernel thunk table to map Kernel function calls to their actual address :
{
uint32_t* kt_tbl = (uint32_t*)kt;
int i = 0;
while (kt_tbl[i] != 0) {
int t = kt_tbl[i] & 0x7FFFFFFF;
kt_tbl[i] = CxbxKrnl_KernelThunkTable[t];
i++;
}
}
// Launch the XBE :
{
// Load TLS
Xbe::TLS* XbeTls = (Xbe::TLS*)CxbxKrnl_Xbe->m_Header.dwTLSAddr;
void* XbeTlsData = (XbeTls != nullptr) ? (void*)CxbxKrnl_Xbe->m_TLS->dwDataStartAddr : nullptr;
// Decode Entry Point
xbaddr EntryPoint = CxbxKrnl_Xbe->m_Header.dwEntryAddr;
EntryPoint ^= XOR_EP_KEY[g_XbeType];
// Launch XBE
CxbxKrnlInit(
hWnd,
XbeTlsData,
XbeTls,
CxbxKrnl_Xbe->m_LibraryVersion,
DbgMode,
DebugFileName.c_str(),
(Xbe::Header*)CxbxKrnl_Xbe->m_Header.dwBaseAddr,
CxbxKrnl_Xbe->m_Header.dwSizeofHeaders,
(void(*)())EntryPoint
);
}
}
#pragma optimize("", on)
// Loads a keys.bin file as generated by dump-xbox
// See https://github.com/JayFoxRox/xqemu-tools/blob/master/dump-xbox.c
void LoadXboxKeys(std::string path)
{
std::string keys_path = path + "\\keys.bin";
// Attempt to open Keys.bin
FILE* fp = fopen(keys_path.c_str(), "rb");
if (fp != nullptr) {
// Determine size of Keys.bin
xboxkrnl::XBOX_KEY_DATA keys[2];
fseek(fp, 0, SEEK_END);
long size = ftell(fp);
rewind(fp);
// If the size of Keys.bin is correct (two keys), read it
if (size == xboxkrnl::XBOX_KEY_LENGTH * 2) {
fread(keys, xboxkrnl::XBOX_KEY_LENGTH, 2, fp);
memcpy(xboxkrnl::XboxEEPROMKey, &keys[0], xboxkrnl::XBOX_KEY_LENGTH);
memcpy(xboxkrnl::XboxCertificateKey, &keys[1], xboxkrnl::XBOX_KEY_LENGTH);
} else {
EmuWarning("Keys.bin has an incorrect filesize. Should be %d bytes", xboxkrnl::XBOX_KEY_LENGTH * 2);
}
fclose(fp);
return;
}
// If we didn't already exit the function, keys.bin could not be loaded
EmuWarning("Failed to load Keys.bin. Cxbx-Reloaded will be unable to read Save Data from a real Xbox");
}
void SetLEDSequence(LED::Sequence aLEDSequence)
{
// TODO : Move to best suited location & implement
// See http://xboxdevwiki.net/PIC#The_LED
}
__declspec(noreturn) void CxbxKrnlInit
(
HWND hwndParent,
void *pTLSData,
Xbe::TLS *pTLS,
Xbe::LibraryVersion *pLibraryVersion,
DebugMode DbgMode,
const char *szDebugFilename,
Xbe::Header *pXbeHeader,
uint32 dwXbeHeaderSize,
void(*Entry)())
{
// update caches
CxbxKrnl_TLS = pTLS;
CxbxKrnl_TLSData = pTLSData;
CxbxKrnl_XbeHeader = pXbeHeader;
CxbxKrnl_hEmuParent = IsWindow(hwndParent) ? hwndParent : NULL;
CxbxKrnl_DebugMode = DbgMode;
CxbxKrnl_DebugFileName = (char*)szDebugFilename;
// A patch to dwCertificateAddr is a requirement due to Windows TLS is overwriting dwGameRegion data address.
// By using unalternated certificate data, it should no longer cause any problem with titles running and Cxbx's log as well.
CxbxKrnl_XbeHeader->dwCertificateAddr = (uint32)&CxbxKrnl_Xbe->m_Certificate;
g_pCertificate = &CxbxKrnl_Xbe->m_Certificate;
// for unicode conversions
setlocale(LC_ALL, "English");
CxbxInitPerformanceCounters();
#ifdef _DEBUG
// CxbxPopupMessage("Attach a Debugger");
// Debug child processes using https://marketplace.visualstudio.com/items?itemName=GreggMiskelly.MicrosoftChildProcessDebuggingPowerTool
#endif
// debug trace
{
#ifdef _DEBUG_TRACE
printf("[0x%X] INIT: Debug Trace Enabled.\n", GetCurrentThreadId());
printf("[0x%X] INIT: CxbxKrnlInit\n"
"(\n"
" hwndParent : 0x%.08X\n"
" pTLSData : 0x%.08X\n"
" pTLS : 0x%.08X\n"
" pLibraryVersion : 0x%.08X\n"
" DebugConsole : 0x%.08X\n"
" DebugFilename : \"%s\"\n"
" pXBEHeader : 0x%.08X\n"
" pXBEHeaderSize : 0x%.08X\n"
" Entry : 0x%.08X\n"
");\n",
GetCurrentThreadId(), hwndParent, pTLSData, pTLS, pLibraryVersion, DbgMode, szDebugFilename, pXbeHeader, dwXbeHeaderSize, Entry);
#else
printf("[0x%X] INIT: Debug Trace Disabled.\n", GetCurrentThreadId());
#endif
}
#ifdef _DEBUG_TRACE
// VerifyHLEDataBase();
#endif
// TODO : The following seems to cause a crash when booting the game "Forza Motorsport",
// according to https://github.com/Cxbx-Reloaded/Cxbx-Reloaded/issues/101#issuecomment-277230140
{
// Create a fake kernel header for XapiRestrictCodeSelectorLimit
// Thanks advancingdragon / DirtBox
PDUMMY_KERNEL DummyKernel = (PDUMMY_KERNEL)XBOX_KERNEL_BASE;
memset(DummyKernel, 0, sizeof(DUMMY_KERNEL));
// XapiRestrictCodeSelectorLimit only checks these fields.
DummyKernel->DosHeader.e_lfanew = sizeof(IMAGE_DOS_HEADER); // RVA of NtHeaders
DummyKernel->FileHeader.SizeOfOptionalHeader = 0;
DummyKernel->FileHeader.NumberOfSections = 1;
// as long as this doesn't start with "INIT"
strncpy_s((PSTR)DummyKernel->SectionHeader.Name, 8, "DONGS", 8);
printf("[0x%.4X] INIT: Initialized dummy kernel image header.\n", GetCurrentThreadId());
}
// Read which components need to be LLE'ed :
{
int CxbxLLE_Flags;
g_EmuShared->GetFlagsLLE(&CxbxLLE_Flags);
bLLE_APU = (CxbxLLE_Flags & LLE_APU) > 0;
bLLE_GPU = (CxbxLLE_Flags & LLE_GPU) > 0;
bLLE_JIT = (CxbxLLE_Flags & LLE_JIT) > 0;
}
// Process XInput Enabled flag
{
int XInputEnabled;
g_EmuShared->GetXInputEnabled(&XInputEnabled);
g_XInputEnabled = !!XInputEnabled;
}
// Process Hacks
{
int HackEnabled = 0;
g_EmuShared->GetDisablePixelShaders(&HackEnabled);
g_DisablePixelShaders = !!HackEnabled;
}
#ifdef _DEBUG_PRINT_CURRENT_CONF
PrintCurrentConfigurationLog();
#endif
// Initialize devices :
char szBuffer[MAX_PATH];
SHGetSpecialFolderPath(NULL, szBuffer, CSIDL_APPDATA, TRUE);
strcat(szBuffer, "\\Cxbx-Reloaded\\");
std::string basePath(szBuffer);
CxbxBasePath = basePath + "EmuDisk\\";
// Load Per-Xbe Keys from the Cxbx-Reloaded AppData directory
LoadXboxKeys(szBuffer);
// Determine XBE Path
memset(szBuffer, 0, MAX_PATH);
g_EmuShared->GetXbePath(szBuffer);
std::string xbePath(szBuffer);
PathRemoveFileSpec(szBuffer);
std::string xbeDirectory(szBuffer);
CxbxBasePathHandle = CreateFile(CxbxBasePath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
memset(szBuffer, 0, MAX_PATH);
sprintf(szBuffer, "%08X", g_pCertificate->dwTitleId);
std::string titleId(szBuffer);
// Games may assume they are running from CdRom :
CxbxDefaultXbeDriveIndex = CxbxRegisterDeviceHostPath(DeviceCdrom0, xbeDirectory);
// Partition 0 contains configuration data, and is accessed as a native file, instead as a folder :
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition0, CxbxBasePath + "Partition0", /*IsFile=*/true);
// The first two partitions are for Data and Shell files, respectively :
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition1, CxbxBasePath + "Partition1");
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition2, CxbxBasePath + "Partition2");
// The following partitions are for caching purposes - for now we allocate up to 7 (as xbmp needs that many) :
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition3, CxbxBasePath + "Partition3");
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition4, CxbxBasePath + "Partition4");
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition5, CxbxBasePath + "Partition5");
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition6, CxbxBasePath + "Partition6");
CxbxRegisterDeviceHostPath(DeviceHarddisk0Partition7, CxbxBasePath + "Partition7");
// Create default symbolic links :
DbgPrintf("INIT: Creating default symbolic links.\n");
{
// TODO: DriveD should always point to the Xbe Path
// This is the only symbolic link the Xbox Kernel sets, the rest are set by the application, usually via XAPI.
// If the Xbe is located outside of the emulated HDD, mounting it as DeviceCdrom0 is correct
// If the Xbe is located inside the emulated HDD, the full path should be used, eg: "\\Harddisk0\\partition2\\xboxdash.xbe"
CxbxCreateSymbolicLink(DriveD, DeviceCdrom0);
// Arrange that the Xbe path can reside outside the partitions, and put it to g_hCurDir :
EmuNtSymbolicLinkObject* xbePathSymbolicLinkObject = FindNtSymbolicLinkObjectByDriveLetter(CxbxDefaultXbeDriveLetter);
g_hCurDir = xbePathSymbolicLinkObject->RootDirectoryHandle;
}
// Determine Xbox path to XBE and place it in XeImageFileName
{
std::string fileName(xbePath);
// Strip out the path, leaving only the XBE file name
// NOTE: we assume that the XBE is always on the root of the D: drive
// This is a safe assumption as the Xbox kernel ALWAYS mounts D: as the Xbe Path
if (fileName.rfind('\\') != std::string::npos)
fileName = fileName.substr(fileName.rfind('\\') + 1);
if (xboxkrnl::XeImageFileName.Buffer != NULL)
free(xboxkrnl::XeImageFileName.Buffer);
// Assign the running Xbe path, so it can be accessed via the kernel thunk 'XeImageFileName' :
xboxkrnl::XeImageFileName.MaximumLength = MAX_PATH;
xboxkrnl::XeImageFileName.Buffer = (PCHAR)g_VMManager.Allocate(MAX_PATH);
sprintf(xboxkrnl::XeImageFileName.Buffer, "%c:\\%s", CxbxDefaultXbeDriveLetter, fileName.c_str());
xboxkrnl::XeImageFileName.Length = (USHORT)strlen(xboxkrnl::XeImageFileName.Buffer);
printf("[0x%.4X] INIT: XeImageFileName = %s\n", GetCurrentThreadId(), xboxkrnl::XeImageFileName.Buffer);
}
// Dump Xbe information
{
if (CxbxKrnl_Xbe != nullptr) {
printf("[0x%.4X] INIT: Title : %s\n", GetCurrentThreadId(), CxbxKrnl_Xbe->m_szAsciiTitle);
}
// Dump Xbe certificate
if (g_pCertificate != NULL) {
printf("[0x%.4X] INIT: XBE TitleID : %.8X\n", GetCurrentThreadId(), g_pCertificate->dwTitleId);
printf("[0x%.4X] INIT: XBE TitleName : %ls\n", GetCurrentThreadId(), g_pCertificate->wszTitleName);
printf("[0x%.4X] INIT: XBE Region : %s\n", GetCurrentThreadId(), CxbxKrnl_Xbe->GameRegionToString());
}
// Dump Xbe library build numbers
Xbe::LibraryVersion* libVersionInfo = pLibraryVersion;// (LibraryVersion *)(CxbxKrnl_XbeHeader->dwLibraryVersionsAddr);
if (libVersionInfo != NULL) {
for (uint32 v = 0; v < CxbxKrnl_XbeHeader->dwLibraryVersions; v++) {
printf("[0x%.4X] INIT: XBE Library %u : %.8s (version %d)\n", GetCurrentThreadId(), v, libVersionInfo->szName, libVersionInfo->wBuildVersion);
libVersionInfo++;
}
}
}
// duplicate handle in order to retain Suspend/Resume thread rights from a remote thread
{
HANDLE hDupHandle = NULL;
DuplicateHandle(g_CurrentProcessHandle, GetCurrentThread(), g_CurrentProcessHandle, &hDupHandle, 0, FALSE, DUPLICATE_SAME_ACCESS);
CxbxKrnlRegisterThread(hDupHandle);
}
// Clear critical section list
//extern void InitializeSectionStructures(void);
InitializeSectionStructures();
// Make sure the Xbox1 code runs on one core (as the box itself has only 1 CPU,
// this will better aproximate the environment with regard to multi-threading) :