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windows-xp/Source/XPSP1/NT/base/boot/lib/blload.c

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/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
blload.c
Abstract:
This module provides common code for loading things like drivers, NLS files, registry.
Used by both the osloader and the setupldr.
Author:
John Vert (jvert) 8-Oct-1993
Environment:
ARC environment
Revision History:
--*/
#include "bldr.h"
#include "stdio.h"
#include "stdlib.h"
#include "vmode.h"
#ifdef EFI
#include "bootefi.h"
#endif
//
// progress bar message ids
//
// HIBER_UI_BAR_ELEMENT 0x00002CF9L
// BLDR_UI_BAR_BACKGROUND 0x00002CFAL
//
ULONG BlProgBarFrontMsgID = 0x00002CF9L;
ULONG BlProgBarBackMsgID = 0x00002CFAL;
//
// number of files loaded (for progress bar)
//
int BlNumFilesLoaded = 0;
int BlNumProgressBarFilesLoaded = 0;
//
// maximum number of files to load (for progress bar)
//
int BlMaxFilesToLoad = 80;
int BlProgressBarFilesToLoad = 0;
#if defined(_X86_)
ULONG BlProgressBarShowTimeOut = 3;
#else
ULONG BlProgressBarShowTimeOut = 0;
#endif
//
// The progress bar width (in characters)
//
#define PROGRESS_BAR_WIDTH 80
//
// The progress bar characters
//
#define DEFAULT_FRONT_CHAR 0xDB // block cursor
#define DEFAULT_BACK_CHAR ' '
USHORT BlFrontChar = DEFAULT_FRONT_CHAR;
USHORT BlBackChar = DEFAULT_BACK_CHAR;
//
// defines whether to draw the progress bar or not
//
#if DBG
BOOLEAN BlOutputDots=FALSE;
//BOOLEAN BlOutputDots=TRUE;
#else
BOOLEAN BlOutputDots=TRUE;
#endif
//
// To show the progress bar or not
//
BOOLEAN BlShowProgressBar = FALSE;
ULONG BlStartTime = 0L;
ARC_STATUS
BlLoadSystemHiveLog(
IN ULONG DeviceId,
IN PCHAR DeviceName,
IN PCHAR DirectoryPath,
IN PCHAR HiveName,
OUT PULONG_PTR LogData
)
/*++
Routine Description:
Loads the registry log file for the system hive from <BootDirectory>\config\system.LOG.
Allocates a memory descriptor to hold the hive image, reads the hive
image into this descriptor,
Arguments:
DeviceId - Supplies the file id of the device the system tree is on.
DeviceName - Supplies the name of the device the system tree is on.
DirectoryPath - Supplies a pointer to the zero-terminated directory path
of the root of the NT tree.
HiveName - Supplies the name of the system hive ("SYSTEM.LOG")
LogData - flat image of the log file
LogLength - length of the data in LogData
Return Value:
TRUE - system hive successfully loaded.
FALSE - system hive could not be loaded.
--*/
{
CHAR RegistryName[256];
ULONG FileId;
ARC_STATUS Status;
FILE_INFORMATION FileInformation;
ULONG FileSize;
ULONG ActualBase;
ULONG_PTR LocalPointer;
LARGE_INTEGER SeekValue;
ULONG Count;
PCHAR FailReason;
//
// Create the full filename for the SYSTEM hive.
//
strcpy(&RegistryName[0], DirectoryPath);
strcat(&RegistryName[0], HiveName);
BlOutputLoadMessage(DeviceName, &RegistryName[0], NULL);
Status = BlOpen(DeviceId, &RegistryName[0], ArcOpenReadOnly, &FileId);
if (Status != ESUCCESS) {
FailReason = "BlOpen";
goto HiveLoadFailed;
}
BlUpdateBootStatus();
//
// Determine the length of the registry file
//
Status = BlGetFileInformation(FileId, &FileInformation);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlGetFileInformation";
goto HiveLoadFailed;
}
FileSize = FileInformation.EndingAddress.LowPart;
if (FileSize == 0) {
Status = EINVAL;
BlClose(FileId);
FailReason = "FileSize == 0";
goto HiveLoadFailed;
}
//
// Round up to a page boundary, allocate a memory descriptor, fill in the
// registry fields in the loader parameter block, and read the registry
// data into memory.
//
Status = BlAllocateDescriptor(LoaderRegistryData,
0x0,
(FileSize + PAGE_SIZE - 1) >> PAGE_SHIFT,
&ActualBase);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlAllocateDescriptor";
goto HiveLoadFailed;
}
*LogData = LocalPointer = KSEG0_BASE | (ActualBase << PAGE_SHIFT);
//
// Read the SYSTEM hive into the allocated memory.
//
SeekValue.QuadPart = 0;
Status = BlSeek(FileId, &SeekValue, SeekAbsolute);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlSeek";
BlFreeDescriptor(ActualBase);
goto HiveLoadFailed;
}
Status = BlRead(FileId, (PVOID)LocalPointer, FileSize, &Count);
BlClose(FileId);
if (Status != ESUCCESS) {
FailReason = "BlRead";
BlFreeDescriptor(ActualBase);
goto HiveLoadFailed;
}
HiveLoadFailed:
return Status;
}
ARC_STATUS
BlLoadSystemHive(
IN ULONG DeviceId,
IN PCHAR DeviceName,
IN PCHAR DirectoryPath,
IN PCHAR HiveName
)
/*++
Routine Description:
Loads the registry SYSTEM hive from <BootDirectory>\config\system.
Allocates a memory descriptor to hold the hive image, reads the hive
image into this descriptor, and updates the registry pointers in the
LoaderBlock.
Arguments:
DeviceId - Supplies the file id of the device the system tree is on.
DeviceName - Supplies the name of the device the system tree is on.
DirectoryPath - Supplies a pointer to the zero-terminated directory path
of the root of the NT tree.
HiveName - Supplies the name of the system hive ("SYSTEM" or "SYSTEM.ALT")
Return Value:
TRUE - system hive successfully loaded.
FALSE - system hive could not be loaded.
--*/
{
CHAR RegistryName[256];
ULONG FileId;
ARC_STATUS Status;
FILE_INFORMATION FileInformation;
ULONG FileSize;
ULONG ActualBase;
ULONG_PTR LocalPointer;
LARGE_INTEGER SeekValue;
ULONG Count;
PCHAR FailReason;
//
// Create the full filename for the SYSTEM hive.
//
strcpy(&RegistryName[0], DirectoryPath);
strcat(&RegistryName[0], HiveName);
BlOutputLoadMessage(DeviceName, &RegistryName[0], NULL);
Status = BlOpen(DeviceId, &RegistryName[0], ArcOpenReadOnly, &FileId);
if (Status != ESUCCESS) {
FailReason = "BlOpen";
goto HiveLoadFailed;
}
BlUpdateBootStatus();
//
// Determine the length of the registry file
//
Status = BlGetFileInformation(FileId, &FileInformation);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlGetFileInformation";
goto HiveLoadFailed;
}
FileSize = FileInformation.EndingAddress.LowPart;
if (FileSize == 0) {
Status = EINVAL;
BlClose(FileId);
FailReason = "FileSize == 0";
goto HiveLoadFailed;
}
//
// Round up to a page boundary, allocate a memory descriptor, fill in the
// registry fields in the loader parameter block, and read the registry
// data into memory.
//
Status = BlAllocateDescriptor(LoaderRegistryData,
0x0,
(FileSize + PAGE_SIZE - 1) >> PAGE_SHIFT,
&ActualBase);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlAllocateDescriptor";
goto HiveLoadFailed;
}
LocalPointer = KSEG0_BASE | (ActualBase << PAGE_SHIFT);
BlLoaderBlock->RegistryLength = FileSize;
BlLoaderBlock->RegistryBase = (PVOID)(LocalPointer + BlVirtualBias);
//
// Read the SYSTEM hive into the allocated memory.
//
SeekValue.QuadPart = 0;
Status = BlSeek(FileId, &SeekValue, SeekAbsolute);
if (Status != ESUCCESS) {
BlClose(FileId);
FailReason = "BlSeek";
goto HiveLoadFailed;
}
Status = BlRead(FileId, (PVOID)LocalPointer, FileSize, &Count);
BlClose(FileId);
if (Status != ESUCCESS) {
FailReason = "BlRead";
goto HiveLoadFailed;
}
HiveLoadFailed:
return Status;
}
ARC_STATUS
BlLoadNLSData(
IN ULONG DeviceId,
IN PCHAR DeviceName,
IN PCHAR DirectoryPath,
IN PUNICODE_STRING AnsiCodepage,
IN PUNICODE_STRING OemCodepage,
IN PUNICODE_STRING LanguageTable,
OUT PCHAR BadFileName
)
/*++
Routine Description:
This routine loads all the NLS data files into one contiguous block of
memory.
Arguments:
DeviceId - Supplies the file id of the device the system tree is on.
DeviceName - Supplies the name of the device the system tree is on.
DirectoryPath - Supplies a pointer to the zero-terminated path
of the directory containing the NLS files.
AnsiCodePage - Supplies the filename of the ANSI codepage data file.
OemCodePage - Supplies the filename of the OEM codepage data file.
LanguageTable - Supplies the filename of the Unicode language case table.
BadFileName - Returns the filename of the NLS file that was missing
or invalid. This will not be filled in if ESUCCESS is returned.
Return Value:
ESUCCESS is returned if the NLS data was successfully loaded.
Otherwise, an unsuccessful status is returned.
--*/
{
CHAR Filename[129];
ULONG AnsiFileId;
ULONG OemFileId;
ULONG LanguageFileId;
ARC_STATUS Status;
FILE_INFORMATION FileInformation;
ULONG AnsiFileSize;
ULONG OemFileSize;
ULONG LanguageFileSize;
ULONG TotalSize;
ULONG ActualBase;
ULONG_PTR LocalPointer;
LARGE_INTEGER SeekValue;
ULONG Count;
BOOLEAN OemIsSameAsAnsi = FALSE;
//
// Under the Japanese version of NT, ANSI code page and OEM codepage
// is same. In this case, we share the same data to save and memory.
//
if ( (AnsiCodepage->Length == OemCodepage->Length) &&
(_wcsnicmp(AnsiCodepage->Buffer,
OemCodepage->Buffer,
AnsiCodepage->Length) == 0)) {
OemIsSameAsAnsi = TRUE;
}
//
// Open the ANSI data file
//
sprintf(Filename, "%s%wZ", DirectoryPath,AnsiCodepage);
BlOutputLoadMessage(DeviceName, Filename, NULL);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &AnsiFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlUpdateBootStatus();
Status = BlGetFileInformation(AnsiFileId, &FileInformation);
BlClose(AnsiFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
AnsiFileSize = FileInformation.EndingAddress.LowPart;
//
// Open the OEM data file
//
if (OemIsSameAsAnsi) {
OemFileSize = 0;
} else {
sprintf(Filename, "%s%wZ", DirectoryPath, OemCodepage);
BlOutputLoadMessage(DeviceName, Filename, NULL);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &OemFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlUpdateBootStatus();
Status = BlGetFileInformation(OemFileId, &FileInformation);
BlClose(OemFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
OemFileSize = FileInformation.EndingAddress.LowPart;
}
//
// Open the language codepage file
//
sprintf(Filename, "%s%wZ", DirectoryPath,LanguageTable);
BlOutputLoadMessage(DeviceName, Filename, NULL);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &LanguageFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlUpdateBootStatus();
Status = BlGetFileInformation(LanguageFileId, &FileInformation);
BlClose(LanguageFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
LanguageFileSize = FileInformation.EndingAddress.LowPart;
//
// Calculate the total size of the descriptor needed. We want each
// data file to start on a page boundary, so round up each size to
// page granularity.
//
TotalSize = (ULONG)(ROUND_TO_PAGES(AnsiFileSize) +
(OemIsSameAsAnsi ? 0 : ROUND_TO_PAGES(OemFileSize)) +
ROUND_TO_PAGES(LanguageFileSize));
Status = BlAllocateDescriptor(LoaderNlsData,
0x0,
TotalSize >> PAGE_SHIFT,
&ActualBase);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
LocalPointer = KSEG0_BASE | (ActualBase << PAGE_SHIFT);
//
// Read NLS data into memory.
//
// Open and read the ANSI file.
//
sprintf(Filename, "%s%wZ", DirectoryPath, AnsiCodepage);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &AnsiFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
SeekValue.QuadPart = 0;
Status = BlSeek(AnsiFileId, &SeekValue, SeekAbsolute);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
Status = BlRead(AnsiFileId,
(PVOID)LocalPointer,
AnsiFileSize,
&Count);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlLoaderBlock->NlsData->AnsiCodePageData = (PVOID)(LocalPointer + BlVirtualBias);
LocalPointer += ROUND_TO_PAGES(AnsiFileSize);
BlClose(AnsiFileId);
//
// If the OEM file is the same as the ANSI file, then define the OEM file as
// the ANSI file. Otherwise, open and read the OEM file.
//
if(OemIsSameAsAnsi) {
BlLoaderBlock->NlsData->OemCodePageData = BlLoaderBlock->NlsData->AnsiCodePageData;
} else {
sprintf(Filename, "%s%wZ", DirectoryPath, OemCodepage);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &OemFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
SeekValue.QuadPart = 0;
Status = BlSeek(OemFileId, &SeekValue, SeekAbsolute);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
Status = BlRead(OemFileId,
(PVOID)LocalPointer,
OemFileSize,
&Count);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlLoaderBlock->NlsData->OemCodePageData = (PVOID)(LocalPointer + BlVirtualBias);
LocalPointer += ROUND_TO_PAGES(OemFileSize);
BlClose(OemFileId);
}
//
// Open and read Language file.
//
sprintf(Filename, "%s%wZ", DirectoryPath,LanguageTable);
Status = BlOpen(DeviceId, Filename, ArcOpenReadOnly, &LanguageFileId);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
SeekValue.QuadPart = 0;
Status = BlSeek(LanguageFileId, &SeekValue, SeekAbsolute);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
Status = BlRead(LanguageFileId,
(PVOID)LocalPointer,
LanguageFileSize,
&Count);
if (Status != ESUCCESS) {
goto NlsLoadFailed;
}
BlLoaderBlock->NlsData->UnicodeCaseTableData = (PVOID)(LocalPointer + BlVirtualBias);
BlClose(LanguageFileId);
return(ESUCCESS);
NlsLoadFailed:
strcpy(BadFileName, Filename);
return(Status);
}
ARC_STATUS
BlLoadOemHalFont(
IN ULONG DeviceId,
IN PCHAR DeviceName,
IN PCHAR DirectoryPath,
IN PUNICODE_STRING OemHalFont,
OUT PCHAR BadFileName
)
/*++
Routine Description:
This routine loads the OEM font file for use the HAL display string
function.
Arguments:
DeviceId - Supplies the file id of the device the system tree is on.
DeviceName - Supplies the name of the device the system tree is on.
DirectoryPath - Supplies a pointer to the directory path of the root
of the NT tree.
Fontfile - Supplies the filename of the OEM font file.
BadFileName - Returns the filename of the OEM font file that was missing
or invalid.
Return Value:
ESUCCESS is returned if the OEM font was successfully loaded. Otherwise,
an unsuccessful status is returned and the bad file name is filled.
--*/
{
PVOID FileBuffer;
ULONG Count;
PIMAGE_DOS_HEADER DosHeader;
ULONG FileId;
FILE_INFORMATION FileInformation;
CHAR Filename[129];
ULONG FileSize;
ARC_STATUS Status;
POEM_FONT_FILE_HEADER FontHeader;
PIMAGE_OS2_HEADER Os2Header;
ULONG ScaleFactor;
RESOURCE_TYPE_INFORMATION UNALIGNED *TableAddress;
RESOURCE_TYPE_INFORMATION UNALIGNED *TableEnd;
RESOURCE_NAME_INFORMATION UNALIGNED *TableName;
//
// Open the OEM font file.
//
BlLoaderBlock->OemFontFile = NULL;
sprintf(&Filename[0], "%s%wZ", DirectoryPath, OemHalFont);
BlOutputLoadMessage(DeviceName, &Filename[0], NULL);
Status = BlOpen(DeviceId, &Filename[0], ArcOpenReadOnly, &FileId);
if (Status != ESUCCESS) {
goto OemLoadExit1;
}
BlUpdateBootStatus();
//
// Get the size of the font file and allocate a buffer from the heap
// to hold the font file. Typically this file is about 4kb in length.
//
Status = BlGetFileInformation(FileId, &FileInformation);
if (Status != ESUCCESS) {
goto OemLoadExit;
}
FileSize = FileInformation.EndingAddress.LowPart;
FileBuffer = BlAllocateHeap(FileSize + BlDcacheFillSize - 1);
if (FileBuffer == NULL) {
Status = ENOMEM;
goto OemLoadExit;
}
//
// Round the file buffer address up to a cache line boundary and read
// the file into memory.
//
FileBuffer = (PVOID)((ULONG_PTR)FileBuffer + BlDcacheFillSize - 1);
FileBuffer = (PVOID)((ULONG_PTR)FileBuffer & ~((ULONG_PTR)BlDcacheFillSize - 1));
Status = BlRead(FileId,
FileBuffer,
FileSize,
&Count);
if (Status != ESUCCESS) {
goto OemLoadExit;
}
//
// Attempt to recognize the file as either a .fon or .fnt file.
//
// Check if the file has a DOS header or a font file header. If the
// file has a font file header, then it is a .fnt file. Otherwise,
// it must be checked for an OS/2 executable with a font resource.
//
Status = EBADF;
DosHeader = (PIMAGE_DOS_HEADER)FileBuffer;
if (DosHeader->e_magic != IMAGE_DOS_SIGNATURE) {
//
// Check if the file has a font file header.
//
FontHeader = (POEM_FONT_FILE_HEADER)FileBuffer;
if ((FontHeader->Version != OEM_FONT_VERSION) ||
(FontHeader->Type != OEM_FONT_TYPE) ||
(FontHeader->Italic != OEM_FONT_ITALIC) ||
(FontHeader->Underline != OEM_FONT_UNDERLINE) ||
(FontHeader->StrikeOut != OEM_FONT_STRIKEOUT) ||
(FontHeader->CharacterSet != OEM_FONT_CHARACTER_SET) ||
(FontHeader->Family != OEM_FONT_FAMILY) ||
(FontHeader->PixelWidth > 32)) {
goto OemLoadExit;
} else {
BlLoaderBlock->OemFontFile = (PVOID)FontHeader;
Status = ESUCCESS;
goto OemLoadExit;
}
}
//
// Check if the file has an OS/2 header.
//
if ((FileSize < sizeof(IMAGE_DOS_HEADER)) || (FileSize < (ULONG)DosHeader->e_lfanew)) {
goto OemLoadExit;
}
Os2Header = (PIMAGE_OS2_HEADER)((PUCHAR)DosHeader + DosHeader->e_lfanew);
if (Os2Header->ne_magic != IMAGE_OS2_SIGNATURE) {
goto OemLoadExit;
}
//
// Check if the resource table exists.
//
if ((Os2Header->ne_restab - Os2Header->ne_rsrctab) == 0) {
goto OemLoadExit;
}
//
// Compute address of resource table and search the table for a font
// resource.
//
TableAddress =
(PRESOURCE_TYPE_INFORMATION)((PUCHAR)Os2Header + Os2Header->ne_rsrctab);
TableEnd =
(PRESOURCE_TYPE_INFORMATION)((PUCHAR)Os2Header + Os2Header->ne_restab);
ScaleFactor = *((SHORT UNALIGNED *)TableAddress)++;
while ((TableAddress < TableEnd) &&
(TableAddress->Ident != 0) &&
(TableAddress->Ident != FONT_RESOURCE)) {
TableAddress =
(PRESOURCE_TYPE_INFORMATION)((PUCHAR)(TableAddress + 1) +
(TableAddress->Number * sizeof(RESOURCE_NAME_INFORMATION)));
}
if ((TableAddress >= TableEnd) || (TableAddress->Ident != FONT_RESOURCE)) {
goto OemLoadExit;
}
//
// Compute address of resource name information and check if the resource
// is within the file.
//
TableName = (PRESOURCE_NAME_INFORMATION)(TableAddress + 1);
if (FileSize < ((TableName->Offset << ScaleFactor) + sizeof(OEM_FONT_FILE_HEADER))) {
goto OemLoadExit;
}
//
// Compute the address of the font file header and check if the header
// contains correct information.
//
FontHeader = (POEM_FONT_FILE_HEADER)((PCHAR)FileBuffer +
(TableName->Offset << ScaleFactor));
if ((FontHeader->Version != OEM_FONT_VERSION) ||
(FontHeader->Type != OEM_FONT_TYPE) ||
(FontHeader->Italic != OEM_FONT_ITALIC) ||
(FontHeader->Underline != OEM_FONT_UNDERLINE) ||
(FontHeader->StrikeOut != OEM_FONT_STRIKEOUT) ||
(FontHeader->CharacterSet != OEM_FONT_CHARACTER_SET) ||
(FontHeader->PixelWidth > 32)) {
goto OemLoadExit;
} else {
BlLoaderBlock->OemFontFile = (PVOID)FontHeader;
Status = ESUCCESS;
goto OemLoadExit;
}
//
// Exit loading of the OEM font file.
//
OemLoadExit:
BlClose(FileId);
OemLoadExit1:
strcpy(BadFileName,&Filename[0]);
return(Status);
}
ARC_STATUS
BlLoadDeviceDriver(
IN PPATH_SET PathSet,
IN PCHAR DriverName,
IN PTCHAR DriverDescription OPTIONAL,
IN ULONG DriverFlags,
OUT PKLDR_DATA_TABLE_ENTRY *DriverDataTableEntry
)
/*++
Routine Description:
This routine loads the specified device driver and resolves all DLL
references if the driver is not already loaded.
Arguments:
PathSet - Describes all the various locations the driver could be present
at.
DriverName - Supplies a pointer to a zero terminated device driver
name string.
DriverDescription - Supplies an optional pointer to a zero terminated string
to be displayed when loading the driver. If NULL, DriverName is used.
DriverFlags - Supplies the driver flags that are to be set in the
generated data table entry.
DriverDataTableEntry - Receives a pointer to the data table entry
created for the newly-loaded driver.
Return Value:
ESUCCESS is returned if the specified driver is successfully loaded
or it is already loaded. Otherwise, and unsuccessful status is
returned.
--*/
{
CHAR DllName[256];
CHAR FullName[256];
PVOID Base;
ARC_STATUS Status;
ULONG Index;
PPATH_SOURCE PathSource;
//
// Generate the DLL name for the device driver.
//
strcpy(&DllName[0], DriverName);
//
// If the specified device driver is not already loaded, then load it.
//
if (BlCheckForLoadedDll(&DllName[0], DriverDataTableEntry) == FALSE) {
//
// Start walking our list of DevicePaths. If the list is
// empty (bad caller!) we fail with ENOENT.
//
Status = ENOENT;
for(Index=0; Index < PathSet->PathCount; Index++) {
PathSource = &PathSet->Source[Index];
//
// Generate the full path name of device driver.
//
strcpy(&FullName[0], PathSource->DirectoryPath);
strcat(&FullName[0], PathSet->PathOffset);
strcat(&FullName[0], DriverName);
//
// Try to load it.
//
Status = BlLoadImage(PathSource->DeviceId,
LoaderBootDriver,
&FullName[0],
TARGET_IMAGE,
&Base);
if (Status == ESUCCESS) {
//
// Print out the driver that loaded.
//
BlOutputLoadMessage((PCHAR) PathSource->DeviceName,
&FullName[0],
DriverDescription);
break;
}
}
if (Status != ESUCCESS) {
return Status;
}
BlUpdateBootStatus();
//
// Generate a data table entry for the driver, then clear the entry
// processed flag. The I/O initialization code calls each DLL in the
// loaded module list that does not have its entry processed flag set.
//
// ISSUE - 2000/29/03 - ADRIAO: Existant namespace polution
// Instead of passing in DllName here, we should be passing in
// AliasName\PathOffset\DriverName.
//
Status = BlAllocateDataTableEntry(&DllName[0],
DriverName,
Base,
DriverDataTableEntry);
if (Status != ESUCCESS) {
return Status;
}
//
// Set the flag LDRP_DRIVER_DEPENDENT_DLL so that BlScanImportDescriptorTable
// will set the flag in the data table entries for the dlls that it creates.
//
(*DriverDataTableEntry)->Flags |= DriverFlags|LDRP_DRIVER_DEPENDENT_DLL;
//
// Scan the import table and load all the referenced DLLs.
//
// ISSUE - 2000/29/03 - ADRIAO: LDR memory
// This should probably be LoaderBootDriver. Per MikeG we are
// leaving this alone for now.
//
Status = BlScanImportDescriptorTable(PathSet,
*DriverDataTableEntry,
LoaderHalCode);
if (Status != ESUCCESS) {
//
// Remove the driver from the load order list.
//
RemoveEntryList(&(*DriverDataTableEntry)->InLoadOrderLinks);
return Status;
}
//
// Clear the flag here. This way we don't call DllInitialize for drivers.
//
(*DriverDataTableEntry)->Flags &= ~LDRP_DRIVER_DEPENDENT_DLL;
}
return ESUCCESS;
}
VOID
BlUpdateBootStatus(
VOID
)
/*++
Routine Description:
Updates the boot status (like updating progress bar currently).
Generally gets called after important files are loaded.
Arguments:
None
Return Value:
None
--*/
{
BlNumFilesLoaded++;
if (BlShowProgressBar)
BlNumProgressBarFilesLoaded++;
BlRedrawProgressBar();
}
VOID
BlRedrawProgressBar(
VOID
)
/*++
Routine Description:
Redraws the progress bar (with the last percentage)
Arguments:
None
Return Value:
None
--*/
{
if (!BlShowProgressBar) {
ULONG EndTime = ArcGetRelativeTime();
if ((BlProgressBarShowTimeOut == 0) ||
((EndTime - BlStartTime) > BlProgressBarShowTimeOut)) {
BlShowProgressBar = TRUE;
BlNumProgressBarFilesLoaded = 1;
BlProgressBarFilesToLoad = BlMaxFilesToLoad - BlNumFilesLoaded;
}
}
if (BlShowProgressBar && (BlProgressBarFilesToLoad>0)) {
BlUpdateProgressBar((BlNumProgressBarFilesLoaded * 100) / BlProgressBarFilesToLoad);
}
}
VOID
BlUpdateTxtProgressBar(
ULONG fPercentage
)
/*++
Routine Description:
Draws the progress bar with the specified percentage value
Arguments:
fPercentage : percentage the progress bar needs to show
(Note : should have a value between 0 & 100 inclusive)
Return Value:
None
--*/
{
ULONG lCount = 0;
TCHAR szMsg[PROGRESS_BAR_WIDTH * 2 + 2] = {0};
int iNumChars = 0;
int iNumBackChars = 0;
_TUCHAR szBarBackStr[PROGRESS_BAR_WIDTH * 2 + 2] = {0};
_TUCHAR szPrgBar[PROGRESS_BAR_WIDTH * 4 + 2] = {0};
_PTUCHAR szBarBack = 0;
static ULONG uRow = 0;
static ULONG uCol = 0;
static ULONG uBarWidth = PROGRESS_BAR_WIDTH;
if (BlShowProgressBar && BlOutputDots) {
// fix percentage value (if needed)
if (fPercentage > 100)
fPercentage = 100;
// select the row where to display the progress bar
if (uRow == 0)
uRow = ScreenHeight - 2;
// fix the start column
if (uCol == 0) {
if (PROGRESS_BAR_WIDTH >= ScreenWidth) {
uCol = 1;
uBarWidth = ScreenWidth;
} else {
uCol = (ScreenWidth - PROGRESS_BAR_WIDTH) / 2;
uBarWidth = PROGRESS_BAR_WIDTH;
}
}
iNumChars = (fPercentage * uBarWidth) / 100;
iNumBackChars = uBarWidth - iNumChars;
if (iNumChars) {
#ifdef EFI
PTCHAR pMsg = szMsg;
ULONG uNumChars = iNumChars;
while (uNumChars--) {
*pMsg++ = BlFrontChar;
}
#else
//
// copy appropriately based on single / double byte character
// each dbcs character takes two single char space on screen
//
if (BlFrontChar & 0xFF00) {
USHORT *pMsg = (USHORT *)szMsg;
ULONG uNumChars = (iNumChars + 1) / 2;
while(uNumChars--)
*pMsg++ = BlFrontChar;
} else {
memset( szMsg, BlFrontChar, min(iNumChars, sizeof(szMsg) - 1));
}
#endif
}
if (iNumBackChars && BlBackChar) {
#ifdef EFI
PTCHAR pMsg = szBarBackStr;
ULONG uNumChars = iNumBackChars;
while (uNumChars--) {
*pMsg++ = BlBackChar;
}
#else
//
// copy appropriately based on single / double byte character
// each dbcs character takes two single char space on screen
//
if (BlBackChar & 0xFF00) {
USHORT *pMsg = (USHORT *)szBarBackStr;
ULONG uNumChars = iNumBackChars / 2;
while(uNumChars--)
*pMsg++ = BlBackChar;
} else {
memset(szBarBackStr, BlBackChar,
min(sizeof(szBarBackStr) - 1, iNumBackChars));
}
#endif
}
_tcscat(szPrgBar, szMsg);
_tcscat(szPrgBar, szBarBackStr);
#if 0
{
TCHAR szDbg[512] = { 0 };
_stprintf(szDbg, TEXT("(%x, %x)=[%d,%d],%x\n%s\n%s\n%s"),
BlFrontChar, BlBackChar, iNumChars, iNumBackChars, fPercentage,
szMsg, szBarBackStr, szPrgBar);
BlPositionCursor(1,1);
ArcWrite(BlConsoleOutDeviceId,
szDbg,
_tcslen(szDbg)*sizeof(TCHAR),
&lCount);
}
#endif
// print out the progress bar
BlPositionCursor(uCol, uRow);
ArcWrite(BlConsoleOutDeviceId,
szPrgBar,
_tcslen(szPrgBar)*sizeof(TCHAR),
&lCount);
}
}
VOID
BlUpdateProgressBar(
ULONG fPercentage
)
{
if (DisplayLogoOnBoot) {
BlUpdateGfxProgressBar(fPercentage);
} else {
BlUpdateTxtProgressBar(fPercentage);
}
}
VOID
BlOutputStartupMsgStr(
PCTSTR MsgStr
)
/*++
Routine Description:
Clears the screen and displays the startup message at the specified
coordinates of screen
Arguments:
MsgStr - the message that needs to be displayed
Return Value:
None
--*/
{
ULONG lCount = 0;
ULONG uX = 0, uY = 0;
if (!DisplayLogoOnBoot && BlOutputDots && MsgStr) {
BlClearScreen();
BlSetInverseMode(FALSE);
// center the message
uX = ScreenHeight - 3;
uY = (ScreenWidth / 2) - (_tcslen(MsgStr) / 2);
if (uY > ScreenWidth)
uY = 1;
// print out the message
BlPositionCursor(uY, uX);
ArcWrite(BlConsoleOutDeviceId,
(PVOID)MsgStr,
_tcslen(MsgStr) * sizeof(TCHAR),
&lCount);
BlRedrawProgressBar();
}
}
VOID
BlOutputStartupMsg(
ULONG uMsgID
)
/*++
Routine Description:
Clears the screen and displays the startup message at the specified
coordinates of screen
Arguments:
uMsgID - inidicates the message ID that needs to be displayed
Return Value:
None
--*/
{
if (!DisplayLogoOnBoot && BlOutputDots) {
//
// Proceed only if no logo is displayed.
//
BlOutputStartupMsgStr(BlFindMessage(uMsgID));
}
}
VOID
BlOutputTrailerMsgStr(
PCTSTR MsgStr
)
/*++
Routine Description:
Displays a trailer message at the bottom of the screen
Arguments:
uMsgID - inidicates the message ID that needs to be displayed
Return Value:
None
--*/
{
ULONG lCount = 0;
TCHAR szText[256] = {0};
if (!DisplayLogoOnBoot && BlOutputDots && MsgStr) {
ASSERT( _tcslen(MsgStr) < 256 );
BlPositionCursor(1, ScreenHeight);
_tcscpy(szText, MsgStr);
lCount = (ULONG)_tcslen(szText);
if ((lCount > 2) && szText[lCount-2] == TEXT('\r') && szText[lCount-1] == TEXT('\n')) {
szText[lCount-2] = TEXT('\0');
lCount -= 2;
}
ArcWrite(BlConsoleOutDeviceId,
szText,
lCount*sizeof(TCHAR),
&lCount);
}
}
VOID
BlOutputTrailerMsg(
ULONG uMsgID
)
/*++
Routine Description:
Displays a trailer message at the bottom of the screen
Arguments:
uMsgID - inidicates the message ID that needs to be displayed
Return Value:
None
--*/
{
BlOutputTrailerMsgStr(BlFindMessage(uMsgID));
}
VOID
BlSetProgBarCharacteristics(
IN ULONG FrontCharMsgID,
IN ULONG BackCharMsgID
)
/*++
Routine Description:
Sets the characteristics for progress bar
Arguments:
IN ULONG FrontCharMsgID : Progress bar foreground character
IN ULONG BackCharMsgID : Progress bar background character
Return Value:
None
--*/
{
#ifdef EFI
BlFrontChar = GetGraphicsChar( GraphicsCharFullBlock );
BlBackChar = GetGraphicsChar( GraphicsCharLightShade );
#else
_PTUCHAR szBar = 0;
BlProgBarFrontMsgID = FrontCharMsgID;
BlProgBarBackMsgID = BackCharMsgID;
// fetch the bar character from resource file
szBar = BlFindMessage(BlProgBarFrontMsgID);
if (szBar) {
ULONG len = _tcslen(szBar);
if ((len == 1) ||
((len > 2) && (szBar[1] == TEXT('\r')) && (szBar[2] == TEXT('\n')))) {
BlFrontChar = szBar[0];
} else {
BlFrontChar = *(USHORT *)szBar;
}
}
// fetch the progress bar background character
szBar = BlFindMessage(BlProgBarBackMsgID);
if (szBar) {
ULONG len = _tcslen(szBar);
if ((len == 1) ||
((len > 2) && (szBar[1] == TEXT('\r')) && (szBar[2] == TEXT('\n')))) {
BlBackChar = szBar[0];
} else {
BlBackChar = *(USHORT *)szBar;
}
}
//
// make both the progess bar characters double byte characters
// if one of them is double byte character
//
if (BlFrontChar & 0xFF00) {
if (!(BlBackChar & 0xFF00))
BlBackChar = BlBackChar | (BlBackChar << 8);
} else {
if (BlBackChar & 0xFF00)
BlFrontChar = BlFrontChar | (BlFrontChar << 8);
}
#endif
}
ARC_STATUS
BlLoadFileImage(
IN ULONG DeviceId,
IN PCHAR DeviceName,
IN PCHAR Directory,
IN PUNICODE_STRING FileName,
IN TYPE_OF_MEMORY MemoryType,
OUT PVOID *Image,
OUT PULONG ImageSize,
OUT PCHAR BadFileName
)
/*++
Routine Description:
This routine loads the specified device driver and resolves all DLL
references if the driver is not already loaded.
Arguments:
DeviceId - Supplies the file id of the device on which the specified
device driver is loaded from.
DeviceName - Supplies the name of the device the system tree is on.
Directory - Supplies a pointer to the directory path of the root
of the NT tree.
FileName - Name of the file to be loaded.
Image - Receives pointer to the buffer containing the file image in memory.
ImageSize - Receives the size of file image in memory.
BadFileName - Returns the filename of the OEM font file that was missing
or invalid.
Return Value:
ESUCCESS is returned if the specified file is successfully loaded.
Otherwise unsuccessful status is returned.
--*/
{
CHAR infName[256];
ARC_STATUS status;
ULONG fileId;
FILE_INFORMATION fileInfo;
ULONG size;
ULONG pageCount;
ULONG actualBase;
PCHAR buffer;
ULONG sizeRead;
*Image = NULL;
*ImageSize = 0;
//
// Get the fully qualified name for the file being loaded.
//
sprintf(&infName[0], "%s%wZ", Directory, FileName);
//
// Display the name of file being loaded.
//
BlOutputLoadMessage(DeviceName, infName, NULL);
//
// Open the file.
//
status = BlOpen(DeviceId, infName, ArcOpenReadOnly, &fileId);
if (status == ESUCCESS) {
BlUpdateBootStatus();
//
// Find out size of INF file.
//
status = BlGetFileInformation(fileId, &fileInfo);
if (status == ESUCCESS) {
size = fileInfo.EndingAddress.LowPart;
//
// Allocate a descriptor large enough to hold the entire file.
// On x86 this has an unfortunate tendency to slam txtsetup.sif
// into a free block at 1MB, which means the kernel can't be
// loaded (it's linked for 0x100000 without relocations).
// On x86 this has an unfortunate tendency to slam txtsetup.sif
// into a free block at 1MB, which means the kernel can't be
// loaded (it's linked for 0x100000 without relocations).
//
// (tedm) we're also seeing a similar problem on alphas now
// because txtsetup.sif has grown too large, so this code has been
// made non-conditional.
//
pageCount = (ULONG)(ROUND_TO_PAGES(size) >> PAGE_SHIFT);
status = BlAllocateDescriptor( MemoryType, // Descriptor gets reclaimed by MM.
0,
pageCount,
&actualBase);
if (status == ESUCCESS) {
buffer = (PCHAR)(KSEG0_BASE | (actualBase << PAGE_SHIFT));
//
// Read the file in.
//
status = BlRead(fileId, buffer, size, &sizeRead);
if (status == ESUCCESS) {
//
// If the file was successfully read, return the
// desired parameters.
//
if (Image) {
*Image = buffer;
}
if (ImageSize) {
*ImageSize = sizeRead;
}
}
else {
//
// No need to release the memory as it will get reclaimed by MM anyway.
//
}
}
}
//
// Close the file handle.
//
BlClose(fileId);
}
//
// If there was any error, return the name of the file
// we failed to load.
//
if (status != ESUCCESS)
{
strcpy(BadFileName, &infName[0]);
}
return(status);
}
VOID
BlClearScreen(
VOID
)
/*++
Routine Description:
Clears the screen.
Arguments:
None
Return Value:
None.
--*/
{
#ifdef EFI
BlEfiClearDisplay();
#else
TCHAR Buffer[16];
ULONG Count;
_stprintf(Buffer, ASCI_CSI_OUT TEXT("2J"));
ArcWrite(BlConsoleOutDeviceId,
Buffer,
_tcslen(Buffer) *sizeof(TCHAR),
&Count);
#endif
}
VOID
BlClearToEndOfScreen(
VOID
)
{
#ifdef EFI
BlEfiClearToEndOfDisplay();
#else
TCHAR Buffer[16];
ULONG Count;
_stprintf(Buffer, ASCI_CSI_OUT TEXT("J"));
ArcWrite(BlConsoleOutDeviceId,
Buffer,
_tcslen(Buffer)*sizeof(TCHAR),
&Count);
#endif
}
VOID
BlClearToEndOfLine(
VOID
)
{
#ifdef EFI
BlEfiClearToEndOfLine();
#else
TCHAR Buffer[16];
ULONG Count;
if (!DisplayLogoOnBoot) {
_stprintf(Buffer, ASCI_CSI_OUT TEXT("K"));
ArcWrite(BlConsoleOutDeviceId,
Buffer,
_tcslen(Buffer)*sizeof(TCHAR),
&Count);
}
#endif
}
VOID
BlPositionCursor(
IN ULONG Column,
IN ULONG Row
)
/*++
Routine Description:
Sets the position of the cursor on the screen.
Arguments:
Column - supplies new Column for the cursor position.
Row - supplies new Row for the cursor position.
Return Value:
None.
--*/
{
#ifdef EFI
BlEfiPositionCursor( Column-1, Row-1 );
#else
TCHAR Buffer[16];
ULONG Count;
_stprintf(Buffer, ASCI_CSI_OUT TEXT("%d;%dH"), Row, Column);
ArcWrite(BlConsoleOutDeviceId,
Buffer,
_tcslen(Buffer)*sizeof(TCHAR),
&Count);
#endif
}
VOID
BlSetInverseMode(
IN BOOLEAN InverseOn
)
/*++
Routine Description:
Sets inverse console output mode on or off.
Arguments:
InverseOn - supplies whether inverse mode should be turned on (TRUE)
or off (FALSE)
Return Value:
None.
--*/
{
#ifdef EFI
BlEfiSetInverseMode( InverseOn );
#else
TCHAR Buffer[16];
ULONG Count;
_stprintf(Buffer, ASCI_CSI_OUT TEXT("%dm"), InverseOn ? SGR_INVERSE : SGR_NORMAL);
ArcWrite(BlConsoleOutDeviceId,
Buffer,
_tcslen(Buffer)*sizeof(TCHAR),
&Count);
#endif
}