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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/BIN/Modules/BootOptionPolicies/RestoreSpecialBootOptions/RestoreSpecialBootOptions.c 3 9/10/13 8:14a Dukeyeh $
//
// $Revision: 3 $
//
// $Date: 9/10/13 8:14a $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Modules/BootOptionPolicies/RestoreSpecialBootOptions/RestoreSpecialBootOptions.c $
//
// 3 9/10/13 8:14a Dukeyeh
// [TAG] EIP135544
// [Category] Bug Fix
// [RootCause] RestoreSpecialOrphanBootOptions don't compare multi ELINK
// names
// [Solution] Change to be able to compare multi ELINKs for target boot
// options
// [Files] RestoreSpecialBootOptions.sdl
// RestoreSpecialBootOptions.chm
// RestoreSpecialBootOptions.c
//
// 2 7/12/13 12:40a Dukeyeh
// [TAG] EIP127111
// [Category] New Feature
// [Description] 1. Initial Release
// 2. This module restores some special
// boot options that have been applied orphan boot options policy on.
// [Files] RestoreSpecialBootOptions.c
//
//**********************************************************************
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: RestoreSpecialBootOptions.c
//
// Description: Restore some special boot options.
//
//<AMI_FHDR_END>
//**********************************************************************
#include <AmiDxeLib.h>
#include <RestoreSpecialBootOptions.h>
#include <BootOptions.h>
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: UnMaskFilePathList
//
// Description: Unmask the file path that was masked before.
//
// Input: BOOT_OPTION *Option - the boot option's file path to be unmasked
//
// Output: none
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID UnMaskFilePathList(BOOT_OPTION *Option) {
VENDOR_DEVICE_PATH *MaskedDp;
UINTN MaskedDpLength;
MaskedDp = (VENDOR_DEVICE_PATH*)Option->FilePathList;
MaskedDpLength = DPLength(&MaskedDp->Header);
if (Option->FilePathListLength <= MaskedDpLength) return;
Option->FilePathListLength -=MaskedDpLength;
MemCpy(
Option->FilePathList, (UINT8*)Option->FilePathList+MaskedDpLength,
Option->FilePathListLength
);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: RestoreBootOptionByPolicy
//
// Description: Restore the orphan boot option by policy.
//
// Input: DLIST *BootOptionList - the master boot option list
// BOOT_OPTION *Option - The orphaned boot option
// UINTN Policy - the policy to follow, valid values are
// ORPHAN_BOOT_OPTIONS_POLICY_DELETE
// ORPHAN_BOOT_OPTIONS_POLICY_DISABLE
// ORPHAN_BOOT_OPTIONS_POLICY_KEEP
//
// Output: none
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID RestoreBootOptionByPolicy(
DLIST *BootOptionList, BOOT_OPTION *Option, const int Policy
) {
/*if (Policy==ORPHAN_BOOT_OPTIONS_POLICY_DELETE){
}else*/
if (Policy==ORPHAN_BOOT_OPTIONS_POLICY_DISABLE) {
Option->Attributes |= LOAD_OPTION_ACTIVE;
} else if (Policy==ORPHAN_BOOT_OPTIONS_POLICY_HIDE) {
Option->Attributes &= ~LOAD_OPTION_HIDDEN;
UnMaskFilePathList(Option);
}
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: RestoreSpecialOrphanBootOptions
//
// Description: This function restores the target orphan boot options that
// have been applied policy on.
//
// Input: none
//
// Output: none
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID RestoreSpecialOrphanBootOptions() {
DLINK *Link;
BOOT_OPTION *Option;
CHAR16 *RestoreBootOptionsByName[] = {RESTORED_BOOT_OPTION_NAMES NULL};
UINT8 RegisteredBootOptionNames = sizeof(RestoreBootOptionsByName)/sizeof(CHAR16*) - 1; // minus NULL
UINT8 NameIndex;
if (0 == RegisteredBootOptionNames)
return;
FOR_EACH_BOOT_OPTION(BootOptionList,Link,Option) {
if (RegisteredBootOptionNames) {
for (NameIndex = 0; NULL != RestoreBootOptionsByName[NameIndex]; NameIndex++) {
if (!Wcscmp(Option->Description, RestoreBootOptionsByName[NameIndex])) {
if (Option->FwBootOption) {
RestoreBootOptionByPolicy(
BootOptionList, Option, FW_ORPHAN_BOOT_OPTIONS_POLICY
);
}
else {
RestoreBootOptionByPolicy(
BootOptionList, Option, NON_FW_ORPHAN_BOOT_OPTIONS_POLICY
);
}
--RegisteredBootOptionNames;
if (0 == RegisteredBootOptionNames)
return;
break;
}
}
}
}
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
