#include "../include/RemovableMedia.h"
#include "gpt.h"
#include "config.h"
+#include "../EfiLib/LegacyBios.h"
#ifdef __MAKEWITH_GNUEFI
#define EfiReallocatePool ReallocatePool
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
#define BTRFS_SIGNATURE "_BHRfS_M"
+#define XFS_SIGNATURE "XFSB"
#define NTFS_SIGNATURE "NTFS "
// variables
// list functions
//
-VOID CreateList(OUT VOID ***ListPtr, OUT UINTN *ElementCount, IN UINTN InitialElementCount)
-{
- UINTN AllocateCount;
-
- *ElementCount = InitialElementCount;
- if (*ElementCount > 0) {
- AllocateCount = (*ElementCount + 7) & ~7; // next multiple of 8
- *ListPtr = AllocatePool(sizeof(VOID *) * AllocateCount);
- } else {
- *ListPtr = NULL;
- }
-}
-
VOID AddListElement(IN OUT VOID ***ListPtr, IN OUT UINTN *ElementCount, IN VOID *NewElement)
{
UINTN AllocateCount;
- if ((*ElementCount & 7) == 0) {
- AllocateCount = *ElementCount + 8;
+ if ((*ElementCount & 15) == 0) {
+ AllocateCount = *ElementCount + 16;
if (*ElementCount == 0)
*ListPtr = AllocatePool(sizeof(VOID *) * AllocateCount);
else
case FS_TYPE_BTRFS:
retval = L" Btrfs";
break;
+ case FS_TYPE_XFS:
+ retval = L" XFS";
+ break;
case FS_TYPE_ISO9660:
retval = L" ISO-9660";
break;
SetMem(&(Volume->VolUuid), sizeof(EFI_GUID), 0);
Volume->FSType = FS_TYPE_UNKNOWN;
- if (BufferSize >= 512) {
-
- // Search for NTFS, FAT, and MBR/EBR.
- // These all have 0xAA55 at the end of the first sector, but FAT and
- // MBR/EBR are not easily distinguished. Thus, we first check to see
- // if the "volume" is in fact a disk device; then look for NTFS
- // "magic"; and then check to see if the volume can be mounted, thus
- // relying on the EFI's built-in FAT driver to identify FAT.
- Magic16 = (UINT16*) (Buffer + 510);
- if (*Magic16 == FAT_MAGIC) {
- MagicString = (char*) (Buffer + 3);
- // Confusingly, "LogicalPartition" refers to the presence of a
- // partition table, not an MBR logical partition.
- if (Volume->BlockIO->Media->LogicalPartition) {
- Volume->FSType = FS_TYPE_WHOLEDISK;
- } else if (CompareMem(MagicString, NTFS_SIGNATURE, 8) == 0) {
- Volume->FSType = FS_TYPE_NTFS;
- CopyMem(&(Volume->VolUuid), Buffer + 0x48, sizeof(UINT64));
- } else {
- RootDir = LibOpenRoot(Volume->DeviceHandle);
- if (RootDir != NULL)
- Volume->FSType = FS_TYPE_FAT;
- } // if/elseif/else
- return;
- } // if
- } // search for FAT and NTFS magic
-
if (BufferSize >= (1024 + 100)) {
Magic16 = (UINT16*) (Buffer + 1024 + 56);
if (*Magic16 == EXT2_SUPER_MAGIC) { // ext2/3/4
} // if
} // search for Btrfs magic
+ if (BufferSize >= 512) {
+ MagicString = (char*) Buffer;
+ if (CompareMem(MagicString, XFS_SIGNATURE, 4) == 0) {
+ Volume->FSType = FS_TYPE_XFS;
+ return;
+ }
+ } // search for XFS magic
+
if (BufferSize >= (1024 + 2)) {
Magic16 = (UINT16*) (Buffer + 1024);
if ((*Magic16 == HFSPLUS_MAGIC1) || (*Magic16 == HFSPLUS_MAGIC2)) {
}
} // search for HFS+ magic
- } // if (Buffer != NULL)
+ if (BufferSize >= 512) {
+ // Search for NTFS, FAT, and MBR/EBR.
+ // These all have 0xAA55 at the end of the first sector, but FAT and
+ // MBR/EBR are not easily distinguished. Thus, we first look for NTFS
+ // "magic"; then check to see if the volume can be mounted, thus
+ // relying on the EFI's built-in FAT driver to identify FAT; and then
+ // check to see if the "volume" is in fact a whole-disk device.
+ Magic16 = (UINT16*) (Buffer + 510);
+ if (*Magic16 == FAT_MAGIC) {
+ MagicString = (char*) (Buffer + 3);
+ if (CompareMem(MagicString, NTFS_SIGNATURE, 8) == 0) {
+ Volume->FSType = FS_TYPE_NTFS;
+ CopyMem(&(Volume->VolUuid), Buffer + 0x48, sizeof(UINT64));
+ } else {
+ RootDir = LibOpenRoot(Volume->DeviceHandle);
+ if (RootDir != NULL) {
+ Volume->FSType = FS_TYPE_FAT;
+ } else if (!Volume->BlockIO->Media->LogicalPartition) {
+ Volume->FSType = FS_TYPE_WHOLEDISK;
+ } // if/elseif/else
+ } // if/else
+ return;
+ } // if
+ } // search for FAT and NTFS magic
+
+ // If no other filesystem is identified and block size is right, assume
+ // it's ISO-9660....
+ if (Volume->BlockIO->Media->BlockSize == 2048) {
+ Volume->FSType = FS_TYPE_ISO9660;
+ return;
+ }
+
+ } // if ((Buffer != NULL) && (Volume != NULL))
} // UINT32 SetFilesystemData()
Volume->BlockIO, Volume->BlockIO->Media->MediaId,
Volume->BlockIOOffset, SAMPLE_SIZE, Buffer);
if (!EFI_ERROR(Status)) {
-
-// if (Volume->BlockIO->Media->LogicalPartition)
-// Print(L"Skipping; whole disk!\n");
-// else
- SetFilesystemData(Buffer, SAMPLE_SIZE, Volume);
-// PauseForKey();
+ SetFilesystemData(Buffer, SAMPLE_SIZE, Volume);
+ }
+ if ((Status == EFI_SUCCESS) && (GlobalConfig.LegacyType == LEGACY_TYPE_MAC)) {
if ((*((UINT16 *)(Buffer + 510)) == 0xaa55 && Buffer[0] != 0) && (FindMem(Buffer, 512, "EXFAT", 5) == -1)) {
*Bootable = TRUE;
Volume->HasBootCode = TRUE;
Volume->OSIconName = L"grub,linux";
Volume->OSName = L"Linux";
-// // Below doesn't produce a bootable entry, so commented out for the moment....
-// // GRUB in BIOS boot partition:
-// } else if (FindMem(Buffer, 512, "Geom\0Read\0 Error", 16) >= 0) {
-// Volume->HasBootCode = TRUE;
-// Volume->OSIconName = L"grub,linux";
-// Volume->OSName = L"Linux";
-// Volume->VolName = L"BIOS Boot Partition";
-// *Bootable = TRUE;
-
} else if ((*((UINT32 *)(Buffer + 502)) == 0 &&
*((UINT32 *)(Buffer + 506)) == 50000 &&
*((UINT16 *)(Buffer + 510)) == 0xaa55) ||
return FoundName;
} // static CHAR16 *GetVolumeName()
-// Determine the unique GUID and name of the volume and store them.
+// Determine the unique GUID, type code GUID, and name of the volume and store them.
static VOID SetPartGuidAndName(REFIT_VOLUME *Volume, EFI_DEVICE_PATH_PROTOCOL *DevicePath) {
HARDDRIVE_DEVICE_PATH *HdDevicePath;
+ GPT_ENTRY *PartInfo;
- if (Volume == NULL)
+ if ((Volume == NULL) || (DevicePath == NULL))
return;
if ((DevicePath->Type == MEDIA_DEVICE_PATH) && (DevicePath->SubType == MEDIA_HARDDRIVE_DP)) {
HdDevicePath = (HARDDRIVE_DEVICE_PATH*) DevicePath;
if (HdDevicePath->SignatureType == SIGNATURE_TYPE_GUID) {
Volume->PartGuid = *((EFI_GUID*) HdDevicePath->Signature);
- Volume->PartName = PartNameFromGuid(&(Volume->PartGuid));
- } // if
- } // if
+ PartInfo = FindPartWithGuid(&(Volume->PartGuid));
+ if (PartInfo) {
+ Volume->PartName = StrDuplicate(PartInfo->name);
+ CopyMem(&(Volume->PartTypeGuid), PartInfo->type_guid, sizeof(EFI_GUID));
+ if (GuidsAreEqual (&(Volume->PartTypeGuid), &gFreedesktopRootGuid)) {
+ GlobalConfig.DiscoveredRoot = Volume;
+ Print(L"Found match!\n");
+ PauseForKey();
+ } // if (GUIDs match)
+ } // if (PartInfo exists)
+ } // if (GPT disk)
+ } // if (disk device)
} // VOID SetPartGuid()
// Return TRUE if NTFS boot files are found or if Volume is unreadable,
BOOLEAN FileExists(IN EFI_FILE *BaseDir, IN CHAR16 *RelativePath)
{
- EFI_STATUS Status;
- EFI_FILE_HANDLE TestFile;
-
- Status = refit_call5_wrapper(BaseDir->Open, BaseDir, &TestFile, RelativePath, EFI_FILE_MODE_READ, 0);
- if (Status == EFI_SUCCESS) {
- refit_call1_wrapper(TestFile->Close, TestFile);
- return TRUE;
- }
- return FALSE;
+ EFI_STATUS Status;
+ EFI_FILE_HANDLE TestFile;
+
+ if (BaseDir != NULL) {
+ Status = refit_call5_wrapper(BaseDir->Open, BaseDir, &TestFile, RelativePath, EFI_FILE_MODE_READ, 0);
+ if (Status == EFI_SUCCESS) {
+ refit_call1_wrapper(TestFile->Close, TestFile);
+ return TRUE;
+ }
+ }
+ return FALSE;
}
EFI_STATUS DirNextEntry(IN EFI_FILE *Directory, IN OUT EFI_FILE_INFO **DirEntry, IN UINTN FilterMode)
return (Found);
} // BOOLEAN StriSubCmp()
+// Convert input string to all-lowercase.
+VOID ToLower(CHAR16 * MyString) {
+ UINTN i = 0;
+
+ if (MyString) {
+ while (MyString[i] != L'\0') {
+ if ((MyString[i] >= L'A') && (MyString[i] <= L'Z'))
+ MyString[i] = MyString[i] - L'A' + L'a';
+ i++;
+ } // while
+ } // if
+} // VOID ToLower()
+
// Merges two strings, creating a new one and returning a pointer to it.
// If AddChar != 0, the specified character is placed between the two original
// strings (unless the first string is NULL or empty). The original input
// Returns TRUE if the two GUIDs are equal, FALSE otherwise
BOOLEAN GuidsAreEqual(EFI_GUID *Guid1, EFI_GUID *Guid2) {
return (CompareMem(Guid1, Guid2, 16) == 0);
-} // BOOLEAN CompareGuids()
+} // BOOLEAN GuidsAreEqual()