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reactos/ntoskrnl/ex/init.c
Hermès Bélusca-Maïto ec4c169e3e
[NTOS:EX] Revamp ExpLoadBootSymbols() a bit. 
- Use a for-loop.
- Make some comments more accurate.
- Reduce indentation level in the loop.
2024-12-14 23:31:49 +01:00

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/*
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/ex/init.c
* PURPOSE: Executive Initialization Code
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
* Eric Kohl
*/
/* INCLUDES ******************************************************************/
#include <ntoskrnl.h>
#include <reactos/buildno.h>
#include "inbv/logo.h"
#define NDEBUG
#include <debug.h>
/* This is the size that we can expect from the win 2003 loader */
#define LOADER_PARAMETER_EXTENSION_MIN_SIZE \
RTL_SIZEOF_THROUGH_FIELD(LOADER_PARAMETER_EXTENSION, AcpiTableSize)
/* Temporary hack */
CODE_SEG("INIT")
BOOLEAN
NTAPI
MmArmInitSystem(
IN ULONG Phase,
IN PLOADER_PARAMETER_BLOCK LoaderBlock
);
typedef struct _INIT_BUFFER
{
WCHAR DebugBuffer[256];
CHAR VersionBuffer[256];
CHAR BootlogHeader[256];
CHAR VersionNumber[24];
RTL_USER_PROCESS_INFORMATION ProcessInfo;
WCHAR RegistryBuffer[256];
} INIT_BUFFER, *PINIT_BUFFER;
/* DATA **********************************************************************/
/* NT Version Info */
ULONG NtMajorVersion = VER_PRODUCTMAJORVERSION;
ULONG NtMinorVersion = VER_PRODUCTMINORVERSION;
#if DBG /* Checked Build */
ULONG NtBuildNumber = VER_PRODUCTBUILD | 0xC0000000;
#else /* Free Build */
ULONG NtBuildNumber = VER_PRODUCTBUILD;
#endif
/* NT System Info */
ULONG NtGlobalFlag = 0;
ULONG ExSuiteMask;
/* Cm Version Info */
ULONG CmNtSpBuildNumber;
ULONG CmNtCSDVersion;
ULONG CmNtCSDReleaseType;
UNICODE_STRING CmVersionString;
UNICODE_STRING CmCSDVersionString;
CHAR NtBuildLab[] = KERNEL_VERSION_BUILD_STR "."
REACTOS_COMPILER_NAME "_" REACTOS_COMPILER_VERSION;
/* Init flags and settings */
ULONG ExpInitializationPhase;
BOOLEAN ExpInTextModeSetup;
BOOLEAN IoRemoteBootClient;
ULONG InitSafeBootMode;
BOOLEAN InitIsWinPEMode, InitWinPEModeType;
BOOLEAN SosEnabled; // Used by driver.c!IopDisplayLoadingMessage()
/* NT Boot Path */
UNICODE_STRING NtSystemRoot;
/* NT Initial User Application */
WCHAR NtInitialUserProcessBuffer[128] = L"\\SystemRoot\\System32\\smss.exe";
ULONG NtInitialUserProcessBufferLength = sizeof(NtInitialUserProcessBuffer) -
sizeof(WCHAR);
ULONG NtInitialUserProcessBufferType = REG_SZ;
/* Boot NLS information */
PVOID ExpNlsTableBase;
ULONG ExpAnsiCodePageDataOffset, ExpOemCodePageDataOffset;
ULONG ExpUnicodeCaseTableDataOffset;
NLSTABLEINFO ExpNlsTableInfo;
SIZE_T ExpNlsTableSize;
PVOID ExpNlsSectionPointer;
/* CMOS Timer Sanity */
BOOLEAN ExCmosClockIsSane = TRUE;
BOOLEAN ExpRealTimeIsUniversal;
/* FUNCTIONS ****************************************************************/
CODE_SEG("INIT")
NTSTATUS
NTAPI
ExpCreateSystemRootLink(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
UNICODE_STRING LinkName;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE LinkHandle;
NTSTATUS Status;
ANSI_STRING AnsiName;
CHAR Buffer[256];
ANSI_STRING TargetString;
UNICODE_STRING TargetName;
/* Initialize the ArcName tree */
RtlInitUnicodeString(&LinkName, L"\\ArcName");
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT,
NULL,
SePublicDefaultUnrestrictedSd);
/* Create it */
Status = NtCreateDirectoryObject(&LinkHandle,
DIRECTORY_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 1, 0, 0);
}
/* Close the LinkHandle */
NtClose(LinkHandle);
/* Initialize the Device tree */
RtlInitUnicodeString(&LinkName, L"\\Device");
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT,
NULL,
SePublicDefaultUnrestrictedSd);
/* Create it */
Status = NtCreateDirectoryObject(&LinkHandle,
DIRECTORY_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 2, 0, 0);
}
/* Close the LinkHandle */
ObCloseHandle(LinkHandle, KernelMode);
/* Create the system root symlink name */
RtlInitAnsiString(&AnsiName, "\\SystemRoot");
Status = RtlAnsiStringToUnicodeString(&LinkName, &AnsiName, TRUE);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 3, 0, 0);
}
/* Initialize the attributes for the link */
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT,
NULL,
SePublicDefaultUnrestrictedSd);
/* Build the ARC name */
sprintf(Buffer,
"\\ArcName\\%s%s",
LoaderBlock->ArcBootDeviceName,
LoaderBlock->NtBootPathName);
Buffer[strlen(Buffer) - 1] = ANSI_NULL;
/* Convert it to Unicode */
RtlInitString(&TargetString, Buffer);
Status = RtlAnsiStringToUnicodeString(&TargetName,
&TargetString,
TRUE);
if (!NT_SUCCESS(Status))
{
/* We failed, bugcheck */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 4, 0, 0);
}
/* Create it */
Status = NtCreateSymbolicLinkObject(&LinkHandle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes,
&TargetName);
/* Free the strings */
RtlFreeUnicodeString(&LinkName);
RtlFreeUnicodeString(&TargetName);
/* Check if creating the link failed */
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 5, 0, 0);
}
/* Close the handle and return success */
ObCloseHandle(LinkHandle, KernelMode);
return STATUS_SUCCESS;
}
CODE_SEG("INIT")
VOID
NTAPI
ExpInitNls(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
LARGE_INTEGER SectionSize;
NTSTATUS Status;
HANDLE NlsSection;
PVOID SectionBase = NULL;
SIZE_T ViewSize = 0;
LARGE_INTEGER SectionOffset = {{0, 0}};
PLIST_ENTRY ListHead, NextEntry;
PMEMORY_ALLOCATION_DESCRIPTOR MdBlock;
ULONG NlsTablesEncountered = 0;
SIZE_T NlsTableSizes[3] = {0, 0, 0}; /* 3 NLS tables */
/* Check if this is boot-time phase 0 initialization */
if (!ExpInitializationPhase)
{
/* Loop the memory descriptors */
ListHead = &LoaderBlock->MemoryDescriptorListHead;
NextEntry = ListHead->Flink;
while (NextEntry != ListHead)
{
/* Get the current block */
MdBlock = CONTAINING_RECORD(NextEntry,
MEMORY_ALLOCATION_DESCRIPTOR,
ListEntry);
/* Check if this is an NLS block */
if (MdBlock->MemoryType == LoaderNlsData)
{
/* Increase the table size */
ExpNlsTableSize += MdBlock->PageCount * PAGE_SIZE;
/* FreeLdr-specific */
NlsTableSizes[NlsTablesEncountered] = MdBlock->PageCount * PAGE_SIZE;
NlsTablesEncountered++;
ASSERT(NlsTablesEncountered < 4);
}
/* Go to the next block */
NextEntry = MdBlock->ListEntry.Flink;
}
/* Allocate the a new buffer since loader memory will be freed */
ExpNlsTableBase = ExAllocatePoolWithTag(NonPagedPool,
ExpNlsTableSize,
TAG_RTLI);
if (!ExpNlsTableBase) KeBugCheck(PHASE0_INITIALIZATION_FAILED);
/* Copy the codepage data in its new location. */
if (NlsTablesEncountered == 1)
{
/* Ntldr-way boot process */
RtlCopyMemory(ExpNlsTableBase,
LoaderBlock->NlsData->AnsiCodePageData,
ExpNlsTableSize);
}
else
{
/*
* In NT, the memory blocks are contiguous, but in ReactOS they aren't,
* so unless someone fixes FreeLdr, we'll have to use this icky hack.
*/
RtlCopyMemory(ExpNlsTableBase,
LoaderBlock->NlsData->AnsiCodePageData,
NlsTableSizes[0]);
RtlCopyMemory((PVOID)((ULONG_PTR)ExpNlsTableBase + NlsTableSizes[0]),
LoaderBlock->NlsData->OemCodePageData,
NlsTableSizes[1]);
RtlCopyMemory((PVOID)((ULONG_PTR)ExpNlsTableBase + NlsTableSizes[0] +
NlsTableSizes[1]),
LoaderBlock->NlsData->UnicodeCodePageData,
NlsTableSizes[2]);
/* End of Hack */
}
/* Initialize and reset the NLS TAbles */
RtlInitNlsTables((PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpAnsiCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpOemCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpUnicodeCaseTableDataOffset),
&ExpNlsTableInfo);
RtlResetRtlTranslations(&ExpNlsTableInfo);
return;
}
/* Set the section size */
SectionSize.QuadPart = ExpNlsTableSize;
/* Create the NLS Section */
Status = ZwCreateSection(&NlsSection,
SECTION_ALL_ACCESS,
NULL,
&SectionSize,
PAGE_READWRITE,
SEC_COMMIT | 0x1,
NULL);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 1, 0, 0);
}
/* Get a pointer to the section */
Status = ObReferenceObjectByHandle(NlsSection,
SECTION_ALL_ACCESS,
MmSectionObjectType,
KernelMode,
&ExpNlsSectionPointer,
NULL);
ObCloseHandle(NlsSection, KernelMode);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 2, 0, 0);
}
/* Map the NLS Section in system space */
Status = MmMapViewInSystemSpace(ExpNlsSectionPointer,
&SectionBase,
&ExpNlsTableSize);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 3, 0, 0);
}
/* Copy the codepage data in its new location. */
ASSERT(SectionBase >= MmSystemRangeStart);
RtlCopyMemory(SectionBase, ExpNlsTableBase, ExpNlsTableSize);
/* Free the previously allocated buffer and set the new location */
ExFreePoolWithTag(ExpNlsTableBase, TAG_RTLI);
ExpNlsTableBase = SectionBase;
/* Initialize the NLS Tables */
RtlInitNlsTables((PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpAnsiCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpOemCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpUnicodeCaseTableDataOffset),
&ExpNlsTableInfo);
RtlResetRtlTranslations(&ExpNlsTableInfo);
/* Reset the base to 0 */
SectionBase = NULL;
/* Map the section in the system process */
Status = MmMapViewOfSection(ExpNlsSectionPointer,
PsGetCurrentProcess(),
&SectionBase,
0L,
0L,
&SectionOffset,
&ViewSize,
ViewShare,
0L,
PAGE_READWRITE);
if (!NT_SUCCESS(Status))
{
/* Failed */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 5, 0, 0);
}
/* Copy the table into the system process and set this as the base */
RtlCopyMemory(SectionBase, ExpNlsTableBase, ExpNlsTableSize);
ExpNlsTableBase = SectionBase;
}
CODE_SEG("INIT")
VOID
NTAPI
ExpLoadInitialProcess(IN PINIT_BUFFER InitBuffer,
OUT PRTL_USER_PROCESS_PARAMETERS *ProcessParameters,
OUT PCHAR *ProcessEnvironment)
{
NTSTATUS Status;
SIZE_T Size;
PWSTR p;
UNICODE_STRING NullString = RTL_CONSTANT_STRING(L"");
UNICODE_STRING SmssName, Environment, SystemDriveString, DebugString;
PVOID EnvironmentPtr = NULL;
PRTL_USER_PROCESS_INFORMATION ProcessInformation;
PRTL_USER_PROCESS_PARAMETERS ProcessParams = NULL;
NullString.Length = sizeof(WCHAR);
/* Use the initial buffer, after the strings */
ProcessInformation = &InitBuffer->ProcessInfo;
/* Allocate memory for the process parameters */
Size = sizeof(*ProcessParams) + ((MAX_WIN32_PATH * 6) * sizeof(WCHAR));
Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
(PVOID*)&ProcessParams,
0,
&Size,
MEM_RESERVE | MEM_COMMIT,
PAGE_READWRITE);
if (!NT_SUCCESS(Status))
{
/* Failed, display error */
_snwprintf(InitBuffer->DebugBuffer,
sizeof(InitBuffer->DebugBuffer)/sizeof(WCHAR),
L"INIT: Unable to allocate Process Parameters. 0x%lx",
Status);
RtlInitUnicodeString(&DebugString, InitBuffer->DebugBuffer);
ZwDisplayString(&DebugString);
/* Bugcheck the system */
KeBugCheckEx(SESSION1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Setup the basic header, and give the process the low 1MB to itself */
ProcessParams->Length = (ULONG)Size;
ProcessParams->MaximumLength = (ULONG)Size;
ProcessParams->Flags = RTL_USER_PROCESS_PARAMETERS_NORMALIZED |
RTL_USER_PROCESS_PARAMETERS_RESERVE_1MB;
/* Allocate a page for the environment */
Size = PAGE_SIZE;
Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
&EnvironmentPtr,
0,
&Size,
MEM_RESERVE | MEM_COMMIT,
PAGE_READWRITE);
if (!NT_SUCCESS(Status))
{
/* Failed, display error */
_snwprintf(InitBuffer->DebugBuffer,
sizeof(InitBuffer->DebugBuffer)/sizeof(WCHAR),
L"INIT: Unable to allocate Process Environment. 0x%lx",
Status);
RtlInitUnicodeString(&DebugString, InitBuffer->DebugBuffer);
ZwDisplayString(&DebugString);
/* Bugcheck the system */
KeBugCheckEx(SESSION2_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Write the pointer */
ProcessParams->Environment = EnvironmentPtr;
/* Make a buffer for the DOS path */
p = (PWSTR)(ProcessParams + 1);
ProcessParams->CurrentDirectory.DosPath.Buffer = p;
ProcessParams->CurrentDirectory.DosPath.MaximumLength = MAX_WIN32_PATH *
sizeof(WCHAR);
/* Copy the DOS path */
RtlCopyUnicodeString(&ProcessParams->CurrentDirectory.DosPath,
&NtSystemRoot);
/* Make a buffer for the DLL Path */
p = (PWSTR)((PCHAR)ProcessParams->CurrentDirectory.DosPath.Buffer +
ProcessParams->CurrentDirectory.DosPath.MaximumLength);
ProcessParams->DllPath.Buffer = p;
ProcessParams->DllPath.MaximumLength = MAX_WIN32_PATH * sizeof(WCHAR);
/* Copy the DLL path and append the system32 directory */
RtlCopyUnicodeString(&ProcessParams->DllPath,
&ProcessParams->CurrentDirectory.DosPath);
RtlAppendUnicodeToString(&ProcessParams->DllPath, L"\\System32");
/* Make a buffer for the image name */
p = (PWSTR)((PCHAR)ProcessParams->DllPath.Buffer +
ProcessParams->DllPath.MaximumLength);
ProcessParams->ImagePathName.Buffer = p;
ProcessParams->ImagePathName.MaximumLength = MAX_WIN32_PATH * sizeof(WCHAR);
/* Make sure the buffer is a valid string which within the given length */
if ((NtInitialUserProcessBufferType != REG_SZ) ||
((NtInitialUserProcessBufferLength != MAXULONG) &&
((NtInitialUserProcessBufferLength < sizeof(WCHAR)) ||
(NtInitialUserProcessBufferLength >
sizeof(NtInitialUserProcessBuffer) - sizeof(WCHAR)))))
{
/* Invalid initial process string, bugcheck */
KeBugCheckEx(SESSION2_INITIALIZATION_FAILED,
STATUS_INVALID_PARAMETER,
NtInitialUserProcessBufferType,
NtInitialUserProcessBufferLength,
sizeof(NtInitialUserProcessBuffer));
}
/* Cut out anything after a space */
p = NtInitialUserProcessBuffer;
while ((*p) && (*p != L' ')) p++;
/* Set the image path length */
ProcessParams->ImagePathName.Length =
(USHORT)((PCHAR)p - (PCHAR)NtInitialUserProcessBuffer);
/* Copy the actual buffer */
RtlCopyMemory(ProcessParams->ImagePathName.Buffer,
NtInitialUserProcessBuffer,
ProcessParams->ImagePathName.Length);
/* Null-terminate it */
ProcessParams->ImagePathName.Buffer[ProcessParams->ImagePathName.Length /
sizeof(WCHAR)] = UNICODE_NULL;
/* Make a buffer for the command line */
p = (PWSTR)((PCHAR)ProcessParams->ImagePathName.Buffer +
ProcessParams->ImagePathName.MaximumLength);
ProcessParams->CommandLine.Buffer = p;
ProcessParams->CommandLine.MaximumLength = MAX_WIN32_PATH * sizeof(WCHAR);
/* Add the image name to the command line */
RtlAppendUnicodeToString(&ProcessParams->CommandLine,
NtInitialUserProcessBuffer);
/* Create the environment string */
RtlInitEmptyUnicodeString(&Environment,
ProcessParams->Environment,
(USHORT)Size);
/* Append the DLL path to it */
RtlAppendUnicodeToString(&Environment, L"Path=");
RtlAppendUnicodeStringToString(&Environment, &ProcessParams->DllPath);
RtlAppendUnicodeStringToString(&Environment, &NullString);
/* Create the system drive string */
SystemDriveString = NtSystemRoot;
SystemDriveString.Length = 2 * sizeof(WCHAR);
/* Append it to the environment */
RtlAppendUnicodeToString(&Environment, L"SystemDrive=");
RtlAppendUnicodeStringToString(&Environment, &SystemDriveString);
RtlAppendUnicodeStringToString(&Environment, &NullString);
/* Append the system root to the environment */
RtlAppendUnicodeToString(&Environment, L"SystemRoot=");
RtlAppendUnicodeStringToString(&Environment, &NtSystemRoot);
RtlAppendUnicodeStringToString(&Environment, &NullString);
/* Prepare the prefetcher */
//CcPfBeginBootPhase(150);
/* Create SMSS process */
SmssName = ProcessParams->ImagePathName;
Status = RtlCreateUserProcess(&SmssName,
OBJ_CASE_INSENSITIVE,
RtlDeNormalizeProcessParams(ProcessParams),
NULL,
NULL,
NULL,
FALSE,
NULL,
NULL,
ProcessInformation);
if (!NT_SUCCESS(Status))
{
/* Failed, display error */
_snwprintf(InitBuffer->DebugBuffer,
sizeof(InitBuffer->DebugBuffer)/sizeof(WCHAR),
L"INIT: Unable to create Session Manager. 0x%lx",
Status);
RtlInitUnicodeString(&DebugString, InitBuffer->DebugBuffer);
ZwDisplayString(&DebugString);
/* Bugcheck the system */
KeBugCheckEx(SESSION3_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Resume the thread */
Status = ZwResumeThread(ProcessInformation->ThreadHandle, NULL);
if (!NT_SUCCESS(Status))
{
/* Failed, display error */
_snwprintf(InitBuffer->DebugBuffer,
sizeof(InitBuffer->DebugBuffer)/sizeof(WCHAR),
L"INIT: Unable to resume Session Manager. 0x%lx",
Status);
RtlInitUnicodeString(&DebugString, InitBuffer->DebugBuffer);
ZwDisplayString(&DebugString);
/* Bugcheck the system */
KeBugCheckEx(SESSION4_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Return success */
*ProcessParameters = ProcessParams;
*ProcessEnvironment = EnvironmentPtr;
}
CODE_SEG("INIT")
ULONG
NTAPI
ExComputeTickCountMultiplier(IN ULONG ClockIncrement)
{
ULONG MsRemainder = 0, MsIncrement;
ULONG IncrementRemainder;
ULONG i;
/* Count the number of milliseconds for each clock interrupt */
MsIncrement = ClockIncrement / (10 * 1000);
/* Count the remainder from the division above, with 24-bit precision */
IncrementRemainder = ClockIncrement - (MsIncrement * (10 * 1000));
for (i= 0; i < 24; i++)
{
/* Shift the remainders */
MsRemainder <<= 1;
IncrementRemainder <<= 1;
/* Check if we've went past 1 ms */
if (IncrementRemainder >= (10 * 1000))
{
/* Increase the remainder by one, and substract from increment */
IncrementRemainder -= (10 * 1000);
MsRemainder |= 1;
}
}
/* Return the increment */
return (MsIncrement << 24) | MsRemainder;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
ExpInitSystemPhase0(VOID)
{
/* Initialize EXRESOURCE Support */
ExpResourceInitialization();
/* Initialize the environment lock */
ExInitializeFastMutex(&ExpEnvironmentLock);
/* Initialize the lookaside lists and locks */
ExpInitLookasideLists();
/* Initialize the Firmware Table resource and listhead */
InitializeListHead(&ExpFirmwareTableProviderListHead);
ExInitializeResourceLite(&ExpFirmwareTableResource);
ExInitializeResourceLite(&ExpTimeRefreshLock);
/* Set the suite mask to maximum and return */
ExSuiteMask = 0xFFFFFFFF;
return TRUE;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
ExpInitSystemPhase1(VOID)
{
/* Initialize worker threads */
ExpInitializeWorkerThreads();
/* Initialize pushlocks */
ExpInitializePushLocks();
/* Initialize events and event pairs */
if (ExpInitializeEventImplementation() == FALSE)
{
DPRINT1("Executive: Event initialization failed\n");
return FALSE;
}
if (ExpInitializeEventPairImplementation() == FALSE)
{
DPRINT1("Executive: Event Pair initialization failed\n");
return FALSE;
}
/* Initialize mutants */
if (ExpInitializeMutantImplementation() == FALSE)
{
DPRINT1("Executive: Mutant initialization failed\n");
return FALSE;
}
/* Initialize callbacks */
if (ExpInitializeCallbacks() == FALSE)
{
DPRINT1("Executive: Callback initialization failed\n");
return FALSE;
}
/* Initialize semaphores */
if (ExpInitializeSemaphoreImplementation() == FALSE)
{
DPRINT1("Executive: Semaphore initialization failed\n");
return FALSE;
}
/* Initialize timers */
if (ExpInitializeTimerImplementation() == FALSE)
{
DPRINT1("Executive: Timer initialization failed\n");
return FALSE;
}
/* Initialize profiling */
if (ExpInitializeProfileImplementation() == FALSE)
{
DPRINT1("Executive: Profile initialization failed\n");
return FALSE;
}
/* Initialize UUIDs */
if (ExpUuidInitialization() == FALSE)
{
DPRINT1("Executive: Uuid initialization failed\n");
return FALSE;
}
/* Initialize keyed events */
if (ExpInitializeKeyedEventImplementation() == FALSE)
{
DPRINT1("Executive: Keyed event initialization failed\n");
return FALSE;
}
/* Initialize Win32K */
if (ExpWin32kInit() == FALSE)
{
DPRINT1("Executive: Win32 initialization failed\n");
return FALSE;
}
return TRUE;
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
ExInitSystem(VOID)
{
/* Check the initialization phase */
switch (ExpInitializationPhase)
{
case 0:
/* Do Phase 0 */
return ExpInitSystemPhase0();
case 1:
/* Do Phase 1 */
return ExpInitSystemPhase1();
default:
/* Don't know any other phase! Bugcheck! */
KeBugCheck(UNEXPECTED_INITIALIZATION_CALL);
return FALSE;
}
}
CODE_SEG("INIT")
BOOLEAN
NTAPI
ExpIsLoaderValid(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
PLOADER_PARAMETER_EXTENSION Extension;
/* Get the loader extension */
Extension = LoaderBlock->Extension;
/* Validate the size (Windows 2003 loader doesn't provide more) */
if (Extension->Size < LOADER_PARAMETER_EXTENSION_MIN_SIZE) return FALSE;
/* Don't validate upper versions */
if (Extension->MajorVersion > VER_PRODUCTMAJORVERSION) return TRUE;
/* Fail if this is NT 4 */
if (Extension->MajorVersion < VER_PRODUCTMAJORVERSION) return FALSE;
/* Fail if this is XP */
if (Extension->MinorVersion < VER_PRODUCTMINORVERSION) return FALSE;
/* This is 2003 or newer, approve it */
return TRUE;
}
static CODE_SEG("INIT")
VOID
ExpLoadBootSymbols(
_In_ PLOADER_PARAMETER_BLOCK LoaderBlock)
{
PLIST_ENTRY NextEntry;
PLDR_DATA_TABLE_ENTRY LdrEntry;
NTSTATUS Status;
ULONG i;
ULONG Count, Length;
PWCHAR Name;
STRING ImageName;
CHAR NameBuffer[256];
/* Loop over the boot modules list */
for (NextEntry = LoaderBlock->LoadOrderListHead.Flink, i = 0;
NextEntry != &LoaderBlock->LoadOrderListHead;
NextEntry = NextEntry->Flink, ++i)
{
/* Skip the first two images: HAL and kernel */
if (i < 2)
continue;
/* Get the entry */
LdrEntry = CONTAINING_RECORD(NextEntry,
LDR_DATA_TABLE_ENTRY,
InLoadOrderLinks);
if (LdrEntry->FullDllName.Buffer[0] == L'\\')
{
/* We have a name, read its data */
Name = LdrEntry->FullDllName.Buffer;
Length = LdrEntry->FullDllName.Length / sizeof(WCHAR);
/* Check if our buffer can hold it */
if (sizeof(NameBuffer) < Length + sizeof(ANSI_NULL))
{
/* It's too long */
Status = STATUS_BUFFER_OVERFLOW;
}
else
{
/* Copy the name */
Count = 0;
do
{
/* Do cheap Unicode to ANSI conversion */
NameBuffer[Count++] = (CHAR)*Name++;
} while (Count < Length);
/* Null-terminate */
NameBuffer[Count] = ANSI_NULL;
Status = STATUS_SUCCESS;
}
}
else
{
/* Safely print the string into our buffer */
Status = RtlStringCbPrintfA(NameBuffer,
sizeof(NameBuffer),
"%S\\System32\\Drivers\\%wZ",
&SharedUserData->NtSystemRoot[2],
&LdrEntry->BaseDllName);
}
/* Check if the buffer is OK */
if (NT_SUCCESS(Status))
{
/* Load the symbols */
RtlInitString(&ImageName, NameBuffer);
DbgLoadImageSymbols(&ImageName,
LdrEntry->DllBase,
(ULONG_PTR)PsGetCurrentProcessId());
}
}
}
CODE_SEG("INIT")
VOID
NTAPI
ExBurnMemory(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
IN ULONG_PTR PagesToDestroy,
IN TYPE_OF_MEMORY MemoryType)
{
PLIST_ENTRY ListEntry;
PMEMORY_ALLOCATION_DESCRIPTOR MemDescriptor;
DPRINT1("Burn RAM amount: %lu pages\n", PagesToDestroy);
/* Loop the memory descriptors, beginning at the end */
for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Blink;
ListEntry != &LoaderBlock->MemoryDescriptorListHead;
ListEntry = ListEntry->Blink)
{
/* Get the memory descriptor structure */
MemDescriptor = CONTAINING_RECORD(ListEntry,
MEMORY_ALLOCATION_DESCRIPTOR,
ListEntry);
/* Is memory free there or is it temporary? */
if (MemDescriptor->MemoryType == LoaderFree ||
MemDescriptor->MemoryType == LoaderFirmwareTemporary)
{
/* Check if the descriptor has more pages than we want */
if (MemDescriptor->PageCount > PagesToDestroy)
{
/* Change block's page count, ntoskrnl doesn't care much */
MemDescriptor->PageCount -= PagesToDestroy;
break;
}
else
{
/* Change block type */
MemDescriptor->MemoryType = MemoryType;
PagesToDestroy -= MemDescriptor->PageCount;
/* Check if we are done */
if (PagesToDestroy == 0) break;
}
}
}
}
CODE_SEG("INIT")
VOID
NTAPI
ExpInitializeExecutive(IN ULONG Cpu,
IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
PNLS_DATA_BLOCK NlsData;
CHAR Buffer[256];
ANSI_STRING AnsiPath;
NTSTATUS Status;
PCHAR CommandLine, PerfMem;
ULONG PerfMemUsed;
PLDR_DATA_TABLE_ENTRY NtosEntry;
PMESSAGE_RESOURCE_ENTRY MsgEntry;
ANSI_STRING CSDString;
size_t Remaining = 0;
PCHAR RcEnd = NULL;
CHAR VersionBuffer[65];
/* Validate Loader */
if (!ExpIsLoaderValid(LoaderBlock))
{
/* Invalid loader version */
KeBugCheckEx(MISMATCHED_HAL,
3,
LoaderBlock->Extension->Size,
LoaderBlock->Extension->MajorVersion,
LoaderBlock->Extension->MinorVersion);
}
/* Initialize PRCB pool lookaside pointers */
ExInitPoolLookasidePointers();
/* Check if this is an application CPU */
if (Cpu)
{
/* Then simply initialize it with HAL */
if (!HalInitSystem(ExpInitializationPhase, LoaderBlock))
{
/* Initialization failed */
KeBugCheck(HAL_INITIALIZATION_FAILED);
}
/* We're done */
return;
}
/* Assume no text-mode or remote boot */
ExpInTextModeSetup = FALSE;
IoRemoteBootClient = FALSE;
/* Check if we have a setup loader block */
if (LoaderBlock->SetupLdrBlock)
{
/* Check if this is text-mode setup */
if (LoaderBlock->SetupLdrBlock->Flags & SETUPLDR_TEXT_MODE)
ExpInTextModeSetup = TRUE;
/* Check if this is network boot */
if (LoaderBlock->SetupLdrBlock->Flags & SETUPLDR_REMOTE_BOOT)
{
/* Set variable */
IoRemoteBootClient = TRUE;
/* Make sure we're actually booting off the network */
ASSERT(!_memicmp(LoaderBlock->ArcBootDeviceName, "net(0)", 6));
}
}
/* Set phase to 0 */
ExpInitializationPhase = 0;
/* Get boot command line */
CommandLine = LoaderBlock->LoadOptions;
if (CommandLine)
{
/* Upcase it for comparison and check if we're in performance mode */
_strupr(CommandLine);
PerfMem = strstr(CommandLine, "PERFMEM");
if (PerfMem)
{
/* Check if the user gave a number of bytes to use */
PerfMem = strstr(PerfMem, "=");
if (PerfMem)
{
/* Read the number of pages we'll use */
PerfMemUsed = atol(PerfMem + 1) * (1024 * 1024 / PAGE_SIZE);
if (PerfMemUsed)
{
/* FIXME: TODO */
DPRINT1("BBT performance mode not yet supported."
"/PERFMEM option ignored.\n");
}
}
}
/* Check if we're burning memory */
PerfMem = strstr(CommandLine, "BURNMEMORY");
if (PerfMem)
{
/* Check if the user gave a number of bytes to use */
PerfMem = strstr(PerfMem, "=");
if (PerfMem)
{
/* Read the number of pages we'll use */
PerfMemUsed = atol(PerfMem + 1) * (1024 * 1024 / PAGE_SIZE);
if (PerfMemUsed) ExBurnMemory(LoaderBlock, PerfMemUsed, LoaderBad);
}
}
}
/* Setup NLS Base and offsets */
NlsData = LoaderBlock->NlsData;
ExpNlsTableBase = NlsData->AnsiCodePageData;
ExpAnsiCodePageDataOffset = 0;
ExpOemCodePageDataOffset = (ULONG)((ULONG_PTR)NlsData->OemCodePageData -
(ULONG_PTR)NlsData->AnsiCodePageData);
ExpUnicodeCaseTableDataOffset = (ULONG)((ULONG_PTR)NlsData->UnicodeCodePageData -
(ULONG_PTR)NlsData->AnsiCodePageData);
/* Initialize the NLS Tables */
RtlInitNlsTables((PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpAnsiCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpOemCodePageDataOffset),
(PVOID)((ULONG_PTR)ExpNlsTableBase +
ExpUnicodeCaseTableDataOffset),
&ExpNlsTableInfo);
RtlResetRtlTranslations(&ExpNlsTableInfo);
/* Now initialize the HAL */
if (!HalInitSystem(ExpInitializationPhase, LoaderBlock))
{
/* HAL failed to initialize, bugcheck */
KeBugCheck(HAL_INITIALIZATION_FAILED);
}
/* Make sure interrupts are active now */
_enable();
/* Clear the crypto exponent */
SharedUserData->CryptoExponent = 0;
/* Set global flags for the checked build */
#if DBG
NtGlobalFlag |= FLG_ENABLE_CLOSE_EXCEPTIONS |
FLG_ENABLE_KDEBUG_SYMBOL_LOAD;
#endif
/* Setup NT System Root Path */
sprintf(Buffer, "C:%s", LoaderBlock->NtBootPathName);
/* Convert to ANSI_STRING and null-terminate it */
RtlInitString(&AnsiPath, Buffer);
Buffer[--AnsiPath.Length] = ANSI_NULL;
/* Get the string from KUSER_SHARED_DATA's buffer */
RtlInitEmptyUnicodeString(&NtSystemRoot,
SharedUserData->NtSystemRoot,
sizeof(SharedUserData->NtSystemRoot));
/* Now fill it in */
Status = RtlAnsiStringToUnicodeString(&NtSystemRoot, &AnsiPath, FALSE);
if (!NT_SUCCESS(Status)) KeBugCheck(SESSION3_INITIALIZATION_FAILED);
/* Setup bugcheck messages */
KiInitializeBugCheck();
/* Setup initial system settings */
CmGetSystemControlValues(LoaderBlock->RegistryBase, CmControlVector);
/* Set the Service Pack Number and add it to the CSD Version number if needed */
CmNtSpBuildNumber = VER_PRODUCTBUILD_QFE;
if (((CmNtCSDVersion & 0xFFFF0000) == 0) && (CmNtCSDReleaseType == 1))
{
CmNtCSDVersion |= (VER_PRODUCTBUILD_QFE << 16);
}
/* Add loaded CmNtGlobalFlag value */
NtGlobalFlag |= CmNtGlobalFlag;
/* Initialize the executive at phase 0 */
if (!ExInitSystem()) KeBugCheck(PHASE0_INITIALIZATION_FAILED);
/* Initialize the memory manager at phase 0 */
if (!MmArmInitSystem(0, LoaderBlock)) KeBugCheck(PHASE0_INITIALIZATION_FAILED);
/* Load boot symbols */
ExpLoadBootSymbols(LoaderBlock);
/* Check if we should break after symbol load */
if (KdBreakAfterSymbolLoad)
DbgBreakPointWithStatus(DBG_STATUS_CONTROL_C);
/* Check if this loader is compatible with NT 5.2 */
if (LoaderBlock->Extension->Size >= sizeof(LOADER_PARAMETER_EXTENSION))
{
/* Setup headless terminal settings */
HeadlessInit(LoaderBlock);
}
/* Set system ranges */
#ifdef _M_AMD64
SharedUserData->Reserved1 = MM_HIGHEST_USER_ADDRESS_WOW64;
SharedUserData->Reserved3 = MM_SYSTEM_RANGE_START_WOW64;
#else
SharedUserData->Reserved1 = (ULONG_PTR)MmHighestUserAddress;
SharedUserData->Reserved3 = (ULONG_PTR)MmSystemRangeStart;
#endif
/* Make a copy of the NLS Tables */
ExpInitNls(LoaderBlock);
/* Get the kernel's load entry */
NtosEntry = CONTAINING_RECORD(LoaderBlock->LoadOrderListHead.Flink,
LDR_DATA_TABLE_ENTRY,
InLoadOrderLinks);
/* Check if this is a service pack */
if (CmNtCSDVersion & 0xFFFF)
{
/* Get the service pack string */
Status = RtlFindMessage(NtosEntry->DllBase,
11,
0,
WINDOWS_NT_CSD_STRING,
&MsgEntry);
if (NT_SUCCESS(Status))
{
/* Setup the string */
RtlInitAnsiString(&CSDString, (PCHAR)MsgEntry->Text);
/* Remove trailing newline */
while ((CSDString.Length > 0) &&
((CSDString.Buffer[CSDString.Length - 1] == '\r') ||
(CSDString.Buffer[CSDString.Length - 1] == '\n')))
{
/* Skip the trailing character */
CSDString.Length--;
}
/* Fill the buffer with version information */
Status = RtlStringCbPrintfA(Buffer,
sizeof(Buffer),
"%Z %u%c",
&CSDString,
(CmNtCSDVersion & 0xFF00) >> 8,
(CmNtCSDVersion & 0xFF) ?
'A' + (CmNtCSDVersion & 0xFF) - 1 :
ANSI_NULL);
}
else
{
/* Build default string */
Status = RtlStringCbPrintfA(Buffer,
sizeof(Buffer),
"CSD %04x",
CmNtCSDVersion);
}
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
}
else
{
/* Then this is a beta */
Status = RtlStringCbCopyExA(Buffer,
sizeof(Buffer),
VER_PRODUCTBETA_STR,
NULL,
&Remaining,
0);
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Update length */
CmCSDVersionString.MaximumLength = sizeof(Buffer) - (USHORT)Remaining;
}
/* Check if we have an RC number */
if ((CmNtCSDVersion & 0xFFFF0000) && (CmNtCSDReleaseType == 1))
{
/* Check if we have no version data yet */
if (!(*Buffer))
{
/* Set defaults */
Remaining = sizeof(Buffer);
RcEnd = Buffer;
}
else
{
/* Add comma and space */
Status = RtlStringCbCatExA(Buffer,
sizeof(Buffer),
", ",
&RcEnd,
&Remaining,
0);
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
}
/* Add the version format string */
Status = RtlStringCbPrintfA(RcEnd,
Remaining,
"v.%u",
(CmNtCSDVersion & 0xFFFF0000) >> 16);
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
}
/* Now setup the final string */
RtlInitAnsiString(&CSDString, Buffer);
Status = RtlAnsiStringToUnicodeString(&CmCSDVersionString,
&CSDString,
TRUE);
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Add our version */
Status = RtlStringCbPrintfA(VersionBuffer,
sizeof(VersionBuffer),
"%u.%u",
VER_PRODUCTMAJORVERSION,
VER_PRODUCTMINORVERSION);
if (!NT_SUCCESS(Status))
{
/* Fail */
KeBugCheckEx(PHASE0_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Build the final version string */
RtlCreateUnicodeStringFromAsciiz(&CmVersionString, VersionBuffer);
/* Check if the user wants a kernel stack trace database */
if (NtGlobalFlag & FLG_KERNEL_STACK_TRACE_DB)
{
/* FIXME: TODO */
DPRINT1("Kernel-mode stack trace support not yet present."
"FLG_KERNEL_STACK_TRACE_DB flag ignored.\n");
}
/* Check if he wanted exception logging */
if (NtGlobalFlag & FLG_ENABLE_EXCEPTION_LOGGING)
{
/* FIXME: TODO */
DPRINT1("Kernel-mode exception logging support not yet present."
"FLG_ENABLE_EXCEPTION_LOGGING flag ignored.\n");
}
/* Initialize the Handle Table */
ExpInitializeHandleTables();
#if DBG
/* On checked builds, allocate the system call count table */
KeServiceDescriptorTable[0].Count =
ExAllocatePoolWithTag(NonPagedPool,
KiServiceLimit * sizeof(ULONG),
'llaC');
/* Use it for the shadow table too */
KeServiceDescriptorTableShadow[0].Count = KeServiceDescriptorTable[0].Count;
/* Make sure allocation succeeded */
if (KeServiceDescriptorTable[0].Count)
{
/* Zero the call counts to 0 */
RtlZeroMemory(KeServiceDescriptorTable[0].Count,
KiServiceLimit * sizeof(ULONG));
}
#endif
/* Create the Basic Object Manager Types to allow new Object Types */
if (!ObInitSystem()) KeBugCheck(OBJECT_INITIALIZATION_FAILED);
/* Load basic Security for other Managers */
if (!SeInitSystem()) KeBugCheck(SECURITY_INITIALIZATION_FAILED);
/* Initialize the Process Manager */
if (!PsInitSystem(LoaderBlock)) KeBugCheck(PROCESS_INITIALIZATION_FAILED);
/* Initialize the PnP Manager */
if (!PpInitSystem()) KeBugCheck(PP0_INITIALIZATION_FAILED);
/* Initialize the User-Mode Debugging Subsystem */
DbgkInitialize();
/* Calculate the tick count multiplier */
ExpTickCountMultiplier = ExComputeTickCountMultiplier(KeMaximumIncrement);
SharedUserData->TickCountMultiplier = ExpTickCountMultiplier;
/* Set the OS Version */
SharedUserData->NtMajorVersion = NtMajorVersion;
SharedUserData->NtMinorVersion = NtMinorVersion;
/* Set the machine type */
SharedUserData->ImageNumberLow = IMAGE_FILE_MACHINE_NATIVE;
SharedUserData->ImageNumberHigh = IMAGE_FILE_MACHINE_NATIVE;
/* ReactOS magic */
*(PULONG)(KI_USER_SHARED_DATA + PAGE_SIZE - sizeof(ULONG)) = 0x8eac705;
}
VOID
NTAPI
MmFreeLoaderBlock(IN PLOADER_PARAMETER_BLOCK LoaderBlock);
CODE_SEG("INIT")
VOID
NTAPI
Phase1InitializationDiscard(IN PVOID Context)
{
PLOADER_PARAMETER_BLOCK LoaderBlock = Context;
NTSTATUS Status, MsgStatus;
TIME_FIELDS TimeFields;
LARGE_INTEGER SystemBootTime, UniversalBootTime, OldTime, Timeout;
BOOLEAN NoGuiBoot, ResetBias = FALSE, AlternateShell = FALSE;
PLDR_DATA_TABLE_ENTRY NtosEntry;
PMESSAGE_RESOURCE_ENTRY MsgEntry;
PCHAR CommandLine, Y2KHackRequired, SafeBoot, Environment;
PCHAR StringBuffer, EndBuffer, BeginBuffer, MpString = "";
PINIT_BUFFER InitBuffer;
ANSI_STRING TempString;
ULONG LastTzBias, Length, YearHack = 0, Disposition, MessageCode = 0;
SIZE_T Size;
size_t Remaining;
PRTL_USER_PROCESS_INFORMATION ProcessInfo;
KEY_VALUE_PARTIAL_INFORMATION KeyPartialInfo;
UNICODE_STRING KeyName;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE KeyHandle, OptionHandle;
PRTL_USER_PROCESS_PARAMETERS ProcessParameters = NULL;
/* Allocate the initialization buffer */
InitBuffer = ExAllocatePoolWithTag(NonPagedPool,
sizeof(INIT_BUFFER),
TAG_INIT);
if (!InitBuffer)
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 8, 0, 0);
}
/* Set to phase 1 */
ExpInitializationPhase = 1;
/* Set us at maximum priority */
KeSetPriorityThread(KeGetCurrentThread(), HIGH_PRIORITY);
/* Do Phase 1 HAL Initialization */
if (!HalInitSystem(1, LoaderBlock)) KeBugCheck(HAL1_INITIALIZATION_FAILED);
/* Get the command line and upcase it */
CommandLine = (LoaderBlock->LoadOptions ? _strupr(LoaderBlock->LoadOptions) : NULL);
/* Check if GUI Boot is enabled */
NoGuiBoot = (CommandLine && strstr(CommandLine, "NOGUIBOOT") != NULL);
/* Get the SOS setting */
SosEnabled = (CommandLine && strstr(CommandLine, "SOS") != NULL);
/* Setup the boot video driver */
InbvEnableBootDriver(!NoGuiBoot);
InbvDriverInitialize(LoaderBlock, IDB_MAX_RESOURCES);
/* Check if GUI boot is enabled */
if (!NoGuiBoot)
{
/* It is, display the boot logo and enable printing strings */
InbvEnableDisplayString(SosEnabled);
DisplayBootBitmap(SosEnabled);
}
else
{
/* Release display ownership if not using GUI boot */
InbvNotifyDisplayOwnershipLost(NULL);
/* Don't allow boot-time strings */
InbvEnableDisplayString(FALSE);
}
/* Check if this is LiveCD (WinPE) mode */
if (CommandLine && strstr(CommandLine, "MININT") != NULL)
{
/* Setup WinPE Settings */
InitIsWinPEMode = TRUE;
InitWinPEModeType |= (strstr(CommandLine, "INRAM") != NULL) ? 0x80000000 : 0x00000001;
}
/* Get the kernel's load entry */
NtosEntry = CONTAINING_RECORD(LoaderBlock->LoadOrderListHead.Flink,
LDR_DATA_TABLE_ENTRY,
InLoadOrderLinks);
/* Find the banner message */
MsgStatus = RtlFindMessage(NtosEntry->DllBase,
11,
0,
WINDOWS_NT_BANNER,
&MsgEntry);
/* Setup defaults and check if we have a version string */
StringBuffer = InitBuffer->VersionBuffer;
BeginBuffer = StringBuffer;
EndBuffer = StringBuffer;
Remaining = sizeof(InitBuffer->VersionBuffer);
if (CmCSDVersionString.Length)
{
/* Print the version string */
Status = RtlStringCbPrintfExA(StringBuffer,
Remaining,
&EndBuffer,
&Remaining,
0,
": %wZ",
&CmCSDVersionString);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 7, 0, 0);
}
}
else
{
/* No version */
*EndBuffer = ANSI_NULL; /* Null-terminate the string */
}
/* Skip over the null-terminator to start a new string */
++EndBuffer;
--Remaining;
/* Build the version number */
StringBuffer = InitBuffer->VersionNumber;
Status = RtlStringCbPrintfA(StringBuffer,
sizeof(InitBuffer->VersionNumber),
"%u.%u",
VER_PRODUCTMAJORVERSION,
VER_PRODUCTMINORVERSION);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 7, 0, 0);
}
/* Check if we had found a banner message */
if (NT_SUCCESS(MsgStatus))
{
/* Create the banner message */
/* ReactOS specific: Report ReactOS version, NtBuildLab information and reported NT kernel version */
Status = RtlStringCbPrintfA(EndBuffer,
Remaining,
(PCHAR)MsgEntry->Text,
KERNEL_VERSION_STR,
NtBuildLab,
StringBuffer,
NtBuildNumber & 0xFFFF,
BeginBuffer);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 7, 0, 0);
}
}
else
{
/* Use hard-coded banner message */
Status = RtlStringCbCopyA(EndBuffer, Remaining, "REACTOS (R)\r\n");
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 7, 0, 0);
}
}
/* Display the version string on-screen */
InbvDisplayString(EndBuffer);
/* Initialize Power Subsystem in Phase 0 */
if (!PoInitSystem(0)) KeBugCheck(INTERNAL_POWER_ERROR);
/* Check for Y2K hack */
Y2KHackRequired = CommandLine ? strstr(CommandLine, "YEAR") : NULL;
if (Y2KHackRequired) Y2KHackRequired = strstr(Y2KHackRequired, "=");
if (Y2KHackRequired) YearHack = atol(Y2KHackRequired + 1);
/* Query the clock */
if ((ExCmosClockIsSane) && (HalQueryRealTimeClock(&TimeFields)))
{
/* Check if we're using the Y2K hack */
if (Y2KHackRequired) TimeFields.Year = (CSHORT)YearHack;
/* Convert to time fields */
RtlTimeFieldsToTime(&TimeFields, &SystemBootTime);
UniversalBootTime = SystemBootTime;
/* Check if real time is GMT */
if (!ExpRealTimeIsUniversal)
{
/* Check if we don't have a valid bias */
if (ExpLastTimeZoneBias == MAXULONG)
{
/* Reset */
ResetBias = TRUE;
ExpLastTimeZoneBias = ExpAltTimeZoneBias;
}
/* Calculate the bias in seconds */
ExpTimeZoneBias.QuadPart = Int32x32To64(ExpLastTimeZoneBias * 60,
10000000);
/* Set the boot time-zone bias */
SharedUserData->TimeZoneBias.High2Time = ExpTimeZoneBias.HighPart;
SharedUserData->TimeZoneBias.LowPart = ExpTimeZoneBias.LowPart;
SharedUserData->TimeZoneBias.High1Time = ExpTimeZoneBias.HighPart;
/* Convert the boot time to local time, and set it */
UniversalBootTime.QuadPart = SystemBootTime.QuadPart +
ExpTimeZoneBias.QuadPart;
}
/* Update the system time and notify the system */
KeSetSystemTime(&UniversalBootTime, &OldTime, FALSE, NULL);
PoNotifySystemTimeSet();
/* Remember this as the boot time */
KeBootTime = UniversalBootTime;
KeBootTimeBias = 0;
}
#ifdef CONFIG_SMP
/* Start Application Processors */
KeStartAllProcessors();
#endif
/* Initialize all processors */
if (!HalAllProcessorsStarted()) KeBugCheck(HAL1_INITIALIZATION_FAILED);
#ifdef CONFIG_SMP
/* HACK: We should use RtlFindMessage and not only fallback to this */
MpString = "MultiProcessor Kernel\r\n";
#endif
/* Setup the "MP" String */
RtlInitAnsiString(&TempString, MpString);
/* Make sure to remove the \r\n if we actually have a string */
while ((TempString.Length > 0) &&
((TempString.Buffer[TempString.Length - 1] == '\r') ||
(TempString.Buffer[TempString.Length - 1] == '\n')))
{
/* Skip the trailing character */
TempString.Length--;
}
/* Get the information string from our resource file */
MsgStatus = RtlFindMessage(NtosEntry->DllBase,
11,
0,
KeNumberProcessors > 1 ?
WINDOWS_NT_INFO_STRING_PLURAL :
WINDOWS_NT_INFO_STRING,
&MsgEntry);
/* Get total RAM size, in MiB */
/* Round size up. Assumed to better match actual physical RAM size */
Size = ALIGN_UP_BY(MmNumberOfPhysicalPages * PAGE_SIZE, 1024 * 1024) / (1024 * 1024);
/* Create the string */
StringBuffer = InitBuffer->VersionBuffer;
Status = RtlStringCbPrintfA(StringBuffer,
sizeof(InitBuffer->VersionBuffer),
NT_SUCCESS(MsgStatus) ?
(PCHAR)MsgEntry->Text :
"%u System Processor [%Iu MB Memory] %Z\r\n",
KeNumberProcessors,
Size,
&TempString);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 4, 0, 0);
}
/* Display RAM and CPU count */
InbvDisplayString(StringBuffer);
/* Update the progress bar */
InbvUpdateProgressBar(5);
/* Call OB initialization again */
if (!ObInitSystem()) KeBugCheck(OBJECT1_INITIALIZATION_FAILED);
/* Initialize Basic System Objects and Worker Threads */
if (!ExInitSystem()) KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, 0, 0, 1, 0);
/* Initialize the later stages of the kernel */
if (!KeInitSystem()) KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, 0, 0, 2, 0);
/* Call KD Providers at Phase 1 */
if (!KdInitSystem(ExpInitializationPhase, KeLoaderBlock))
{
/* Failed, bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, 0, 0, 3, 0);
}
/* Initialize the SRM in Phase 1 */
if (!SeInitSystem()) KeBugCheck(SECURITY1_INITIALIZATION_FAILED);
/* Update the progress bar */
InbvUpdateProgressBar(10);
/* Create SystemRoot Link */
Status = ExpCreateSystemRootLink(LoaderBlock);
if (!NT_SUCCESS(Status))
{
/* Failed to create the system root link */
KeBugCheckEx(SYMBOLIC_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Set up Region Maps, Sections and the Paging File */
if (!MmInitSystem(1, LoaderBlock)) KeBugCheck(MEMORY1_INITIALIZATION_FAILED);
/* Create NLS section */
ExpInitNls(LoaderBlock);
/* Initialize Cache Views */
if (!CcInitializeCacheManager()) KeBugCheck(CACHE_INITIALIZATION_FAILED);
/* Initialize the Registry */
if (!CmInitSystem1()) KeBugCheck(CONFIG_INITIALIZATION_FAILED);
/* Initialize Prefetcher */
CcPfInitializePrefetcher();
/* Update progress bar */
InbvUpdateProgressBar(15);
/* Update timezone information */
LastTzBias = ExpLastTimeZoneBias;
ExRefreshTimeZoneInformation(&SystemBootTime);
/* Check if we're resetting timezone data */
if (ResetBias)
{
/* Convert the local time to system time */
ExLocalTimeToSystemTime(&SystemBootTime, &UniversalBootTime);
KeBootTime = UniversalBootTime;
KeBootTimeBias = 0;
/* Set the new time */
KeSetSystemTime(&UniversalBootTime, &OldTime, FALSE, NULL);
}
else
{
/* Check if the timezone switched and update the time */
if (LastTzBias != ExpLastTimeZoneBias)
ZwSetSystemTime(NULL, NULL);
}
/* Initialize the File System Runtime Library */
if (!FsRtlInitSystem()) KeBugCheck(FILE_INITIALIZATION_FAILED);
/* Initialize range lists */
RtlInitializeRangeListPackage();
/* Report all resources used by HAL */
HalReportResourceUsage();
/* Call the debugger DLL */
KdDebuggerInitialize1(LoaderBlock);
/* Setup PnP Manager in phase 1 */
if (!PpInitSystem()) KeBugCheck(PP1_INITIALIZATION_FAILED);
/* Update progress bar */
InbvUpdateProgressBar(20);
/* Initialize LPC */
if (!LpcInitSystem()) KeBugCheck(LPC_INITIALIZATION_FAILED);
/* Make sure we have a command line */
if (CommandLine)
{
/* Check if this is a safe mode boot */
SafeBoot = strstr(CommandLine, "SAFEBOOT:");
if (SafeBoot)
{
/* Check what kind of boot this is */
SafeBoot += 9;
if (!strncmp(SafeBoot, "MINIMAL", 7))
{
/* Minimal mode */
InitSafeBootMode = 1;
SafeBoot += 7;
MessageCode = BOOTING_IN_SAFEMODE_MINIMAL;
}
else if (!strncmp(SafeBoot, "NETWORK", 7))
{
/* With Networking */
InitSafeBootMode = 2;
SafeBoot += 7;
MessageCode = BOOTING_IN_SAFEMODE_NETWORK;
}
else if (!strncmp(SafeBoot, "DSREPAIR", 8))
{
/* Domain Server Repair */
InitSafeBootMode = 3;
SafeBoot += 8;
MessageCode = BOOTING_IN_SAFEMODE_DSREPAIR;
}
else
{
/* Invalid */
InitSafeBootMode = 0;
}
/* Check if there's any settings left */
if (*SafeBoot)
{
/* Check if an alternate shell was requested */
if (!strncmp(SafeBoot, "(ALTERNATESHELL)", 16))
{
/* Remember this for later */
AlternateShell = TRUE;
}
}
/* Find the message to print out */
Status = RtlFindMessage(NtosEntry->DllBase,
11,
0,
MessageCode,
&MsgEntry);
if (NT_SUCCESS(Status))
{
/* Display it */
InbvDisplayString((PCHAR)MsgEntry->Text);
}
}
}
/* Make sure we have a command line */
if (CommandLine)
{
/* Check if bootlogging is enabled */
if (strstr(CommandLine, "BOOTLOG"))
{
/* Find the message to print out */
Status = RtlFindMessage(NtosEntry->DllBase,
11,
0,
BOOTLOG_ENABLED,
&MsgEntry);
if (NT_SUCCESS(Status))
{
/* Display it */
InbvDisplayString((PCHAR)MsgEntry->Text);
}
/* Setup boot logging */
//IopInitializeBootLogging(LoaderBlock, InitBuffer->BootlogHeader);
}
}
/* Setup the Executive in Phase 2 */
//ExInitSystemPhase2();
/* Update progress bar */
InbvUpdateProgressBar(25);
/* No KD Time Slip is pending */
KdpTimeSlipPending = 0;
/* Initialize in-place execution support */
XIPInit(LoaderBlock);
/* Set maximum update to 75% */
InbvSetProgressBarSubset(25, 75);
/* Initialize the I/O Subsystem */
if (!IoInitSystem(LoaderBlock)) KeBugCheck(IO1_INITIALIZATION_FAILED);
/* Set maximum update to 100% */
InbvSetProgressBarSubset(0, 100);
/* Are we in safe mode? */
if (InitSafeBootMode)
{
/* Open the safe boot key */
RtlInitUnicodeString(&KeyName,
L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET"
L"\\CONTROL\\SAFEBOOT");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = ZwOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
if (NT_SUCCESS(Status))
{
/* First check if we have an alternate shell */
if (AlternateShell)
{
/* Make sure that the registry has one setup */
RtlInitUnicodeString(&KeyName, L"AlternateShell");
Status = NtQueryValueKey(KeyHandle,
&KeyName,
KeyValuePartialInformation,
&KeyPartialInfo,
sizeof(KeyPartialInfo),
&Length);
if (!(NT_SUCCESS(Status) || Status == STATUS_BUFFER_OVERFLOW))
{
AlternateShell = FALSE;
}
}
/* Create the option key */
RtlInitUnicodeString(&KeyName, L"Option");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = ZwCreateKey(&OptionHandle,
KEY_ALL_ACCESS,
&ObjectAttributes,
0,
NULL,
REG_OPTION_VOLATILE,
&Disposition);
NtClose(KeyHandle);
/* Check if the key create worked */
if (NT_SUCCESS(Status))
{
/* Write the safe boot type */
RtlInitUnicodeString(&KeyName, L"OptionValue");
NtSetValueKey(OptionHandle,
&KeyName,
0,
REG_DWORD,
&InitSafeBootMode,
sizeof(InitSafeBootMode));
/* Check if we have to use an alternate shell */
if (AlternateShell)
{
/* Remember this for later */
Disposition = TRUE;
RtlInitUnicodeString(&KeyName, L"UseAlternateShell");
NtSetValueKey(OptionHandle,
&KeyName,
0,
REG_DWORD,
&Disposition,
sizeof(Disposition));
}
/* Close the options key handle */
NtClose(OptionHandle);
}
}
}
/* Are we in Win PE mode? */
if (InitIsWinPEMode)
{
/* Open the safe control key */
RtlInitUnicodeString(&KeyName,
L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET"
L"\\CONTROL");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = ZwOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 6, 0, 0);
}
/* Create the MiniNT key */
RtlInitUnicodeString(&KeyName, L"MiniNT");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
KeyHandle,
NULL);
Status = ZwCreateKey(&OptionHandle,
KEY_ALL_ACCESS,
&ObjectAttributes,
0,
NULL,
REG_OPTION_VOLATILE,
&Disposition);
if (!NT_SUCCESS(Status))
{
/* Bugcheck */
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 6, 0, 0);
}
/* Close the handles */
NtClose(KeyHandle);
NtClose(OptionHandle);
}
/* FIXME: This doesn't do anything for now */
MmArmInitSystem(2, LoaderBlock);
/* Update progress bar */
InbvUpdateProgressBar(80);
/* Initialize VDM support */
#if defined(_M_IX86)
KeI386VdmInitialize();
#endif
/* Initialize Power Subsystem in Phase 1*/
if (!PoInitSystem(1)) KeBugCheck(INTERNAL_POWER_ERROR);
/* Update progress bar */
InbvUpdateProgressBar(90);
/* Initialize the Process Manager at Phase 1 */
if (!PsInitSystem(LoaderBlock)) KeBugCheck(PROCESS1_INITIALIZATION_FAILED);
/* Make sure nobody touches the loader block again */
if (LoaderBlock == KeLoaderBlock) KeLoaderBlock = NULL;
MmFreeLoaderBlock(LoaderBlock);
LoaderBlock = Context = NULL;
/* Initialize the SRM in phase 1 */
if (!SeRmInitPhase1()) KeBugCheck(PROCESS1_INITIALIZATION_FAILED);
/* Update progress bar */
InbvUpdateProgressBar(100);
/* Clear the screen */
if (InbvBootDriverInstalled) FinalizeBootLogo();
/* Allow strings to be displayed */
InbvEnableDisplayString(TRUE);
/* Launch initial process */
ProcessInfo = &InitBuffer->ProcessInfo;
ExpLoadInitialProcess(InitBuffer, &ProcessParameters, &Environment);
/* Wait 5 seconds for initial process to initialize */
Timeout.QuadPart = Int32x32To64(5, -10000000);
Status = ZwWaitForSingleObject(ProcessInfo->ProcessHandle, FALSE, &Timeout);
if (Status == STATUS_SUCCESS)
{
/* Failed, display error */
DPRINT1("INIT: Session Manager terminated.\n");
/* Bugcheck the system if SMSS couldn't initialize */
KeBugCheck(SESSION5_INITIALIZATION_FAILED);
}
/* Close process handles */
ZwClose(ProcessInfo->ThreadHandle);
ZwClose(ProcessInfo->ProcessHandle);
/* Free the initial process environment */
Size = 0;
ZwFreeVirtualMemory(NtCurrentProcess(),
(PVOID*)&Environment,
&Size,
MEM_RELEASE);
/* Free the initial process parameters */
Size = 0;
ZwFreeVirtualMemory(NtCurrentProcess(),
(PVOID*)&ProcessParameters,
&Size,
MEM_RELEASE);
/* Increase init phase */
ExpInitializationPhase++;
/* Free the boot buffer */
ExFreePoolWithTag(InitBuffer, TAG_INIT);
}
VOID
NTAPI
Phase1Initialization(IN PVOID Context)
{
/* Do the .INIT part of Phase 1 which we can free later */
Phase1InitializationDiscard(Context);
/* Jump into zero page thread */
MmZeroPageThread();
}
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