Source code of Windows XP (NT5)
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/*++
Copyright (c) 1994-2001 Microsoft Corporation
Module Name:
spboot.h
Abstract:
Header file for functions to deal with boot variables.
Author:
Sunil Pai (sunilp) 26-Oct-1993
Revision History:
--*/
#ifndef _SPBOOTVARS_DEFN_
#define _SPBOOTVARS_DEFN_
//
// Define a Unicode string type to be used for storing drive letter
// specifications in upgrade messages (useful because we may not
// have a drive letter, but rather a localizable designator stating
// that the partition is a mirror (eg. "(Mirror):"))
//
typedef WCHAR DRIVELTR_STRING[32];
//
// SP_BOOT_ENTRY is the internal representation of a boot item (or "boot set").
// EFI and ARC NVRAM entries, and boot.ini entries, are kept in this format.
// The NtBootEntry item is the structure passed to/from the NT boot entry APIs.
//
typedef struct _SP_BOOT_ENTRY {
struct _SP_BOOT_ENTRY *Next;
PUCHAR AllocationEnd;
ULONG_PTR Status;
PWSTR FriendlyName;
ULONG_PTR FriendlyNameLength;
PWSTR OsLoadOptions;
ULONG_PTR OsLoadOptionsLength;
PFILE_PATH LoaderPath;
PWSTR LoaderPartitionNtName;
PDISK_REGION LoaderPartitionDiskRegion;
PWSTR LoaderFile;
PFILE_PATH OsPath;
PWSTR OsPartitionNtName;
PDISK_REGION OsPartitionDiskRegion;
PWSTR OsDirectory;
LOGICAL Processable;
LOGICAL FailedUpgrade;
NT_PRODUCT_TYPE ProductType;
ULONG MajorVersion;
ULONG MinorVersion;
ULONG ProductSuiteMask;
ULONG BuildNumber;
ULONG ServicePack;
ULONGLONG KernelVersion;
LCID LangId;
PWSTR Pid20Array;
DRIVELTR_STRING DriveLetterString;
BOOLEAN UpgradeOnlyCompliance;
BOOT_ENTRY NtBootEntry;
} SP_BOOT_ENTRY, *PSP_BOOT_ENTRY;
//
//
//
typedef enum {
UseDefaultSwitches = 0,
DisableRedirect,
UseUserDefinedRedirect,
UseUserDefinedRedirectAndBaudRate
} RedirectSwitchesModeEnum;
#define MAXSIZE_REDIRECT_SWITCH 128
typedef struct _REDIRECT_SWITCHES_ {
CHAR port[MAXSIZE_REDIRECT_SWITCH];
CHAR baudrate[MAXSIZE_REDIRECT_SWITCH];
} REDIRECT_SWITCHES, PREDIRECT_SWITCHES;
extern RedirectSwitchesModeEnum RedirectSwitchesMode;
extern REDIRECT_SWITCHES RedirectSwitches;
NTSTATUS
SpSetRedirectSwitchMode(
RedirectSwitchesModeEnum mode,
PCHAR redirectSwitch,
PCHAR redirectBaudRateSwitch
);
//
// node for the linked list used to communicate the contents
// of a boot entry outside this library
//
typedef struct _SP_EXPORTED_BOOT_ENTRY_ {
LIST_ENTRY ListEntry;
PWSTR LoadIdentifier;
PWSTR OsLoadOptions;
WCHAR DriverLetter;
PWSTR OsDirectory;
} SP_EXPORTED_BOOT_ENTRY, *PSP_EXPORTED_BOOT_ENTRY;
NTSTATUS
SpExportBootEntries(
PLIST_ENTRY BootEntries,
PULONG BootEntryCnt
);
NTSTATUS
SpFreeExportedBootEntries(
PLIST_ENTRY BootEntries,
ULONG BootEntryCnt
);
NTSTATUS
SpAddNTInstallToBootList(
IN PVOID SifHandle,
IN PDISK_REGION SystemPartitionRegion,
IN PWSTR SystemPartitionDirectory,
IN PDISK_REGION NtPartitionRegion,
IN PWSTR Sysroot,
IN PWSTR OsLoadOptions, OPTIONAL
IN PWSTR LoadIdentifier OPTIONAL
);
NTSTATUS
SpAddUserDefinedInstallationToBootList(
IN PVOID SifHandle,
IN PDISK_REGION SystemPartitionRegion,
IN PWSTR SystemPartitionDirectory,
IN PDISK_REGION NtPartitionRegion,
IN PWSTR Sysroot,
IN PWSTR OSLoadOptions, OPTIONAL
IN PWSTR LoadIdentifier OPTIONAL
);
NTSTATUS
SpSetDefaultBootEntry(
ULONG BootEntryNumber
);
#define BE_STATUS_ORDERED 0x00000001
#define BE_STATUS_NEW 0x00000002
#define BE_STATUS_DELETED 0x00000004
#define BE_STATUS_FROM_BOOT_INI 0x00000008
#define IS_BOOT_ENTRY_ACTIVE(_be) \
(((_be)->NtBootEntry.Attributes & BOOT_ENTRY_ATTRIBUTE_ACTIVE) != 0)
#define IS_BOOT_ENTRY_WINDOWS(_be) \
(((_be)->NtBootEntry.Attributes & BOOT_ENTRY_ATTRIBUTE_WINDOWS) != 0)
#define IS_BOOT_ENTRY_REMOVABLE_MEDIA(_be) \
(((_be)->NtBootEntry.Attributes & BOOT_ENTRY_ATTRIBUTE_REMOVABLE_MEDIA) != 0)
#define IS_BOOT_ENTRY_ORDERED(_be) \
(((_be)->Status & BE_STATUS_ORDERED) != 0)
#define IS_BOOT_ENTRY_NEW(_be) \
(((_be)->Status & BE_STATUS_NEW) != 0)
#define IS_BOOT_ENTRY_DELETED(_be) \
(((_be)->Status & BE_STATUS_DELETED) != 0)
#define IS_BOOT_ENTRY_FROM_BOOT_INI(_be) \
(((_be)->Status & BE_STATUS_FROM_BOOT_INI) != 0)
extern PSP_BOOT_ENTRY SpBootEntries;
BOOLEAN
SpInitBootVars(
);
VOID
SpFreeBootVars(
);
VOID
SpUpdateRegionForBootEntries(
VOID
);
VOID
SpGetNtDirectoryList(
OUT PWSTR **DirectoryList,
OUT PULONG DirectoryCount
);
VOID
SpCleanSysPartOrphan(
VOID
);
VOID
SpDetermineUniqueAndPresentBootEntries(
VOID
);
VOID
SpAddInstallationToBootList(
IN PVOID SifHandle,
IN PDISK_REGION SystemPartitionRegion,
IN PWSTR SystemPartitionDirectory,
IN PDISK_REGION NtPartitionRegion,
IN PWSTR Sysroot,
IN BOOLEAN BaseVideoOption,
IN PWSTR OldOsLoadOptions OPTIONAL
);
VOID
SpRemoveInstallationFromBootList(
IN PDISK_REGION SysPartitionRegion, OPTIONAL
IN PDISK_REGION NtPartitionRegion, OPTIONAL
IN PWSTR SysRoot, OPTIONAL
IN PWSTR SystemLoadIdentifier, OPTIONAL
IN PWSTR SystemLoadOptions, OPTIONAL
IN ENUMARCPATHTYPE ArcPathType,
#if defined(REMOTE_BOOT)
IN BOOLEAN RemoteBootPath,
#endif // defined(REMOTE_BOOT)
OUT PWSTR *OldOsLoadOptions OPTIONAL
);
VOID
SpPtDeleteBootSetsForRegion(
PDISK_REGION region
);
#if defined(REMOTE_BOOT)
BOOLEAN
SpFlushRemoteBootVars(
IN PDISK_REGION TargetRegion
);
#endif // defined(REMOTE_BOOT)
//
// IsArc() is always true on non-x86 machines except AMD64 for which it is
// always false. On x86, this determination has to be made at run time.
//
#ifdef _X86_
BOOLEAN
SpIsArc(
VOID
);
#elif defined(_AMD64_)
#define SpIsArc() FALSE
#else
#define SpIsArc() TRUE
#endif
//
// IsEfi() is always true on IA64 machines. Therefore this determination can
// be made at compile time. When x86 EFI machines are supported, the check
// will need to be made at run time on x86.
//
// Note that EFI_NVRAM_ENABLED is defined in ia64\sources.
//
#if defined(EFI_NVRAM_ENABLED)
#if defined(_IA64_)
#define SpIsEfi() TRUE
#else
BOOLEAN
SpIsEfi(
VOID
);
#endif
#else
#define SpIsEfi() FALSE
#endif
PWSTR
SpGetDefaultBootEntry (
OUT UINT *DefaultSignatureOut
);
#ifdef _X86_
#include "i386\bootini.h"
#endif // def _X86_
#endif // ndef _SPBOOTVARS_DEFN_