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Update partition driver to not produce BlockIo if a GPT with OS-specific field (BIT1) set in its partition attributes. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9293 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2009-09-21 14:22:14 +00:00
parent 7d9cf3f25e
commit 47e1a80bbc
2 changed files with 15 additions and 3 deletions
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15
MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c
View File

@ -339,10 +339,12 @@ PartitionInstallGptChildHandles (
for (Index = 0; Index < PrimaryHeader->NumberOfPartitionEntries; Index++) {
if (CompareGuid (&PartEntry[Index].PartitionTypeGUID, &gEfiPartTypeUnusedGuid) ||
PEntryStatus[Index].OutOfRange ||
PEntryStatus[Index].Overlap
PEntryStatus[Index].Overlap ||
PEntryStatus[Index].OsSpecific
) {
//
// Don't use null EFI Partition Entries or Invalid Partition Entries
// Don't use null EFI Partition Entries, Invalid Partition Entries or OS specific
// partition Entries
//
continue;
}
@ -652,6 +654,7 @@ PartitionCheckGptEntry (
EFI_LBA EndingLBA;
UINTN Index1;
UINTN Index2;
UINT64 Attributes;
DEBUG ((EFI_D_INFO, " start check partition entries\n"));
for (Index1 = 0; Index1 < PartHeader->NumberOfPartitionEntries; Index1++) {
@ -687,6 +690,14 @@ PartitionCheckGptEntry (
}
}
Attributes = PartEntry[Index1].Attributes;
if ((Attributes & BIT1) != 0) {
//
// If Bit 1 is set, this indicate that this is an OS specific GUID partition.
//
PEntryStatus[Index1].OsSpecific = TRUE;
}
}
DEBUG ((EFI_D_INFO, " End check partition entries\n"));

3
MdeModulePkg/Universal/Disk/PartitionDxe/Partition.h
View File

@ -4,7 +4,7 @@
of the raw block devices media. Currently "El Torito CD-ROM", Legacy
MBR, and GPT partition schemes are supported.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2009, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -92,6 +92,7 @@ extern EFI_COMPONENT_NAME2_PROTOCOL gPartitionComponentName2;
typedef struct {
BOOLEAN OutOfRange;
BOOLEAN Overlap;
BOOLEAN OsSpecific;
} EFI_PARTITION_ENTRY_STATUS;
//