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Enhance GPT to remove the assumption that GPT partition entry in PMBR must be the first partition entry. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9069 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2009-08-14 05:39:12 +00:00
parent 737dfc3612
commit 339c754a01
1 changed files with 10 additions and 5 deletions
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15
MdeModulePkg/Universal/Disk/PartitionDxe/Gpt.c
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@ -2,7 +2,7 @@
Decode a hard disk partitioned with the GPT scheme in the UEFI 2.0 Decode a hard disk partitioned with the GPT scheme in the UEFI 2.0
specification. specification.
Copyright (c) 2006 - 2008, Intel Corporation. <BR> Copyright (c) 2006 - 2009, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -231,10 +231,15 @@ PartitionInstallGptChildHandles (
// //
// Verify that the Protective MBR is valid // Verify that the Protective MBR is valid
// //
if (ProtectiveMbr->Partition[0].BootIndicator != 0x00 || for (Index = 0; Index < MAX_MBR_PARTITIONS; Index++) {
ProtectiveMbr->Partition[0].OSIndicator != PMBR_GPT_PARTITION || if (ProtectiveMbr->Partition[Index].BootIndicator == 0x00 &&
UNPACK_UINT32 (ProtectiveMbr->Partition[0].StartingLBA) != 1 ProtectiveMbr->Partition[Index].OSIndicator == PMBR_GPT_PARTITION &&
) { UNPACK_UINT32 (ProtectiveMbr->Partition[Index].StartingLBA) == 1
) {
break;
}
}
if (Index == MAX_MBR_PARTITIONS) {
goto Done; goto Done;
} }