/*
* COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS text-mode setup
- * FILE: base/setup/usetup/bootsup.c
+ * PROJECT: ReactOS Setup Library
+ * FILE: base/setup/lib/bootsup.c
* PURPOSE: Bootloader support functions
* PROGRAMMERS: ...
* Hermes Belusca-Maito (hermes.belusca@sfr.fr)
*/
-#include "usetup.h"
+/* INCLUDES *****************************************************************/
+
+#include "precomp.h"
+
+#include "bldrsup.h"
+#include "filesup.h"
+#include "fsutil.h"
+#include "partlist.h"
+
+#include "setuplib.h" // HAXX for IsUnattendedSetup!!
+
+#include "bootsup.h"
#define NDEBUG
#include <debug.h>
+
+/* TYPEDEFS *****************************************************************/
+
/*
* BIG FIXME!!
* ===========
#include <pshpack1.h>
typedef struct _FAT_BOOTSECTOR
{
- UCHAR JumpBoot[3]; // Jump instruction to boot code
- CHAR OemName[8]; // "MSWIN4.1" for MS formatted volumes
- USHORT BytesPerSector; // Bytes per sector
- UCHAR SectorsPerCluster; // Number of sectors in a cluster
- USHORT ReservedSectors; // Reserved sectors, usually 1 (the bootsector)
- UCHAR NumberOfFats; // Number of FAT tables
- USHORT RootDirEntries; // Number of root directory entries (fat12/16)
- USHORT TotalSectors; // Number of total sectors on the drive, 16-bit
- UCHAR MediaDescriptor; // Media descriptor byte
- USHORT SectorsPerFat; // Sectors per FAT table (fat12/16)
- USHORT SectorsPerTrack; // Number of sectors in a track
- USHORT NumberOfHeads; // Number of heads on the disk
- ULONG HiddenSectors; // Hidden sectors (sectors before the partition start like the partition table)
- ULONG TotalSectorsBig; // This field is the new 32-bit total count of sectors on the volume
- UCHAR DriveNumber; // Int 0x13 drive number (e.g. 0x80)
- UCHAR Reserved1; // Reserved (used by Windows NT). Code that formats FAT volumes should always set this byte to 0.
- UCHAR BootSignature; // Extended boot signature (0x29). This is a signature byte that indicates that the following three fields in the boot sector are present.
- ULONG VolumeSerialNumber; // Volume serial number
- CHAR VolumeLabel[11]; // Volume label. This field matches the 11-byte volume label recorded in the root directory
- CHAR FileSystemType[8]; // One of the strings "FAT12 ", "FAT16 ", or "FAT "
-
- UCHAR BootCodeAndData[448]; // The remainder of the boot sector
-
- USHORT BootSectorMagic; // 0xAA55
+ UCHAR JumpBoot[3]; // Jump instruction to boot code
+ CHAR OemName[8]; // "MSWIN4.1" for MS formatted volumes
+ USHORT BytesPerSector; // Bytes per sector
+ UCHAR SectorsPerCluster; // Number of sectors in a cluster
+ USHORT ReservedSectors; // Reserved sectors, usually 1 (the bootsector)
+ UCHAR NumberOfFats; // Number of FAT tables
+ USHORT RootDirEntries; // Number of root directory entries (fat12/16)
+ USHORT TotalSectors; // Number of total sectors on the drive, 16-bit
+ UCHAR MediaDescriptor; // Media descriptor byte
+ USHORT SectorsPerFat; // Sectors per FAT table (fat12/16)
+ USHORT SectorsPerTrack; // Number of sectors in a track
+ USHORT NumberOfHeads; // Number of heads on the disk
+ ULONG HiddenSectors; // Hidden sectors (sectors before the partition start like the partition table)
+ ULONG TotalSectorsBig; // This field is the new 32-bit total count of sectors on the volume
+ UCHAR DriveNumber; // Int 0x13 drive number (e.g. 0x80)
+ UCHAR Reserved1; // Reserved (used by Windows NT). Code that formats FAT volumes should always set this byte to 0.
+ UCHAR BootSignature; // Extended boot signature (0x29). This is a signature byte that indicates that the following three fields in the boot sector are present.
+ ULONG VolumeSerialNumber; // Volume serial number
+ CHAR VolumeLabel[11]; // Volume label. This field matches the 11-byte volume label recorded in the root directory
+ CHAR FileSystemType[8]; // One of the strings "FAT12 ", "FAT16 ", or "FAT "
+
+ UCHAR BootCodeAndData[448]; // The remainder of the boot sector
+
+ USHORT BootSectorMagic; // 0xAA55
} FAT_BOOTSECTOR, *PFAT_BOOTSECTOR;
typedef struct _FAT32_BOOTSECTOR
{
- UCHAR JumpBoot[3]; // Jump instruction to boot code
- CHAR OemName[8]; // "MSWIN4.1" for MS formatted volumes
- USHORT BytesPerSector; // Bytes per sector
- UCHAR SectorsPerCluster; // Number of sectors in a cluster
- USHORT ReservedSectors; // Reserved sectors, usually 1 (the bootsector)
- UCHAR NumberOfFats; // Number of FAT tables
- USHORT RootDirEntries; // Number of root directory entries (fat12/16)
- USHORT TotalSectors; // Number of total sectors on the drive, 16-bit
- UCHAR MediaDescriptor; // Media descriptor byte
- USHORT SectorsPerFat; // Sectors per FAT table (fat12/16)
- USHORT SectorsPerTrack; // Number of sectors in a track
- USHORT NumberOfHeads; // Number of heads on the disk
- ULONG HiddenSectors; // Hidden sectors (sectors before the partition start like the partition table)
- ULONG TotalSectorsBig; // This field is the new 32-bit total count of sectors on the volume
- ULONG SectorsPerFatBig; // This field is the FAT32 32-bit count of sectors occupied by ONE FAT. BPB_FATSz16 must be 0
- USHORT ExtendedFlags; // Extended flags (fat32)
- USHORT FileSystemVersion; // File system version (fat32)
- ULONG RootDirStartCluster; // Starting cluster of the root directory (fat32)
- USHORT FsInfo; // Sector number of FSINFO structure in the reserved area of the FAT32 volume. Usually 1.
- USHORT BackupBootSector; // If non-zero, indicates the sector number in the reserved area of the volume of a copy of the boot record. Usually 6.
- UCHAR Reserved[12]; // Reserved for future expansion
- UCHAR DriveNumber; // Int 0x13 drive number (e.g. 0x80)
- UCHAR Reserved1; // Reserved (used by Windows NT). Code that formats FAT volumes should always set this byte to 0.
- UCHAR BootSignature; // Extended boot signature (0x29). This is a signature byte that indicates that the following three fields in the boot sector are present.
- ULONG VolumeSerialNumber; // Volume serial number
- CHAR VolumeLabel[11]; // Volume label. This field matches the 11-byte volume label recorded in the root directory
- CHAR FileSystemType[8]; // Always set to the string "FAT32 "
-
- UCHAR BootCodeAndData[420]; // The remainder of the boot sector
-
- USHORT BootSectorMagic; // 0xAA55
+ UCHAR JumpBoot[3]; // Jump instruction to boot code
+ CHAR OemName[8]; // "MSWIN4.1" for MS formatted volumes
+ USHORT BytesPerSector; // Bytes per sector
+ UCHAR SectorsPerCluster; // Number of sectors in a cluster
+ USHORT ReservedSectors; // Reserved sectors, usually 1 (the bootsector)
+ UCHAR NumberOfFats; // Number of FAT tables
+ USHORT RootDirEntries; // Number of root directory entries (fat12/16)
+ USHORT TotalSectors; // Number of total sectors on the drive, 16-bit
+ UCHAR MediaDescriptor; // Media descriptor byte
+ USHORT SectorsPerFat; // Sectors per FAT table (fat12/16)
+ USHORT SectorsPerTrack; // Number of sectors in a track
+ USHORT NumberOfHeads; // Number of heads on the disk
+ ULONG HiddenSectors; // Hidden sectors (sectors before the partition start like the partition table)
+ ULONG TotalSectorsBig; // This field is the new 32-bit total count of sectors on the volume
+ ULONG SectorsPerFatBig; // This field is the FAT32 32-bit count of sectors occupied by ONE FAT. BPB_FATSz16 must be 0
+ USHORT ExtendedFlags; // Extended flags (fat32)
+ USHORT FileSystemVersion; // File system version (fat32)
+ ULONG RootDirStartCluster; // Starting cluster of the root directory (fat32)
+ USHORT FsInfo; // Sector number of FSINFO structure in the reserved area of the FAT32 volume. Usually 1.
+ USHORT BackupBootSector; // If non-zero, indicates the sector number in the reserved area of the volume of a copy of the boot record. Usually 6.
+ UCHAR Reserved[12]; // Reserved for future expansion
+ UCHAR DriveNumber; // Int 0x13 drive number (e.g. 0x80)
+ UCHAR Reserved1; // Reserved (used by Windows NT). Code that formats FAT volumes should always set this byte to 0.
+ UCHAR BootSignature; // Extended boot signature (0x29). This is a signature byte that indicates that the following three fields in the boot sector are present.
+ ULONG VolumeSerialNumber; // Volume serial number
+ CHAR VolumeLabel[11]; // Volume label. This field matches the 11-byte volume label recorded in the root directory
+ CHAR FileSystemType[8]; // Always set to the string "FAT32 "
+
+ UCHAR BootCodeAndData[420]; // The remainder of the boot sector
+
+ USHORT BootSectorMagic; // 0xAA55
} FAT32_BOOTSECTOR, *PFAT32_BOOTSECTOR;
}
+static
BOOLEAN
IsThereAValidBootSector(
IN PCWSTR RootPath)
return IsValid; // Status;
}
+static
NTSTATUS
SaveBootSector(
IN PCWSTR RootPath,
return Status;
}
+
+static
NTSTATUS
-InstallMbrBootCodeToDisk(
+InstallMbrBootCodeToDiskHelper(
IN PCWSTR SrcPath,
IN PCWSTR RootPath)
{
return Status;
}
+NTSTATUS
+InstallMbrBootCodeToDisk(
+ IN PUNICODE_STRING SystemRootPath,
+ IN PUNICODE_STRING SourceRootPath,
+ IN PCWSTR DestinationDevicePathBuffer)
+{
+ NTSTATUS Status;
+ WCHAR SourceMbrPathBuffer[MAX_PATH];
+ WCHAR DstPath[MAX_PATH];
+
+#if 0
+ WCHAR DestinationDevicePathBuffer[MAX_PATH];
+ StringCchPrintfW(DestinationDevicePathBuffer, ARRAYSIZE(DestinationDevicePathBuffer),
+ L"\\Device\\Harddisk%d\\Partition0",
+ DiskNumber);
+#endif
+
+ CombinePaths(SourceMbrPathBuffer, ARRAYSIZE(SourceMbrPathBuffer), 2,
+ SourceRootPath->Buffer, L"\\loader\\dosmbr.bin");
+
+ if (IsThereAValidBootSector(DestinationDevicePathBuffer))
+ {
+ /* Save current MBR */
+ CombinePaths(DstPath, ARRAYSIZE(DstPath), 2,
+ SystemRootPath->Buffer, L"mbr.old");
+
+ DPRINT1("Save MBR: %S ==> %S\n", DestinationDevicePathBuffer, DstPath);
+ Status = SaveBootSector(DestinationDevicePathBuffer, DstPath, sizeof(PARTITION_SECTOR));
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("SaveBootSector() failed (Status %lx)\n", Status);
+ // Don't care if we succeeded or not saving the old MBR, just go ahead.
+ }
+ }
+
+ DPRINT1("Install MBR bootcode: %S ==> %S\n",
+ SourceMbrPathBuffer, DestinationDevicePathBuffer);
+
+ return InstallMbrBootCodeToDiskHelper(SourceMbrPathBuffer,
+ DestinationDevicePathBuffer);
+}
+
static
NTSTATUS
return Status;
}
+
static
NTSTATUS
InstallFatBootcodeToPartition(
- PUNICODE_STRING SystemRootPath,
- PUNICODE_STRING SourceRootPath,
- PUNICODE_STRING DestinationArcPath,
- UCHAR PartitionType)
+ IN PUNICODE_STRING SystemRootPath,
+ IN PUNICODE_STRING SourceRootPath,
+ IN PUNICODE_STRING DestinationArcPath,
+ IN UCHAR PartitionType)
{
NTSTATUS Status;
BOOLEAN DoesFreeLdrExist;
static
NTSTATUS
InstallBtrfsBootcodeToPartition(
- PUNICODE_STRING SystemRootPath,
- PUNICODE_STRING SourceRootPath,
- PUNICODE_STRING DestinationArcPath,
- UCHAR PartitionType)
+ IN PUNICODE_STRING SystemRootPath,
+ IN PUNICODE_STRING SourceRootPath,
+ IN PUNICODE_STRING DestinationArcPath,
+ IN UCHAR PartitionType)
{
NTSTATUS Status;
BOOLEAN DoesFreeLdrExist;
NTSTATUS
InstallVBRToPartition(
- PUNICODE_STRING SystemRootPath,
- PUNICODE_STRING SourceRootPath,
- PUNICODE_STRING DestinationArcPath,
- UCHAR PartitionType)
+ IN PUNICODE_STRING SystemRootPath,
+ IN PUNICODE_STRING SourceRootPath,
+ IN PUNICODE_STRING DestinationArcPath,
+ IN UCHAR PartitionType)
{
switch (PartitionType)
{
NTSTATUS
InstallFatBootcodeToFloppy(
- PUNICODE_STRING SourceRootPath,
- PUNICODE_STRING DestinationArcPath)
+ IN PUNICODE_STRING SourceRootPath,
+ IN PUNICODE_STRING DestinationArcPath)
{
NTSTATUS Status;
PFILE_SYSTEM FatFS;
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