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BaseTools: Fix the bug to align VPD PCD based on value type 

Spec required for VOID* VPD Pcd, Ascii string use byte alignment, byte
array use 8-byte alignment, unicode string use 2-byte alignment.
while when the VPD pcd offset use *, the offset generated in the .map
file not follow this rule.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Yonghong Zhu 2018-01-29 15:49:56 +08:00
parent e434be3c9c
commit 86737681af
1 changed files with 12 additions and 2 deletions
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14
BaseTools/Source/Python/BPDG/GenVpd.py
View File

@ -2,7 +2,7 @@
# This file include GenVpd class for fix the Vpd type PCD offset, and PcdEntry for describe
# and process each entry of vpd type PCD.
#
# Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@ -35,7 +35,7 @@ _FORMAT_CHAR = {1: 'B',
#
class PcdEntry:
def __init__(self, PcdCName, SkuId,PcdOffset, PcdSize, PcdValue, Lineno=None, FileName=None, PcdUnpackValue=None,
PcdBinOffset=None, PcdBinSize=None):
PcdBinOffset=None, PcdBinSize=None, Alignment=None):
self.PcdCName = PcdCName.strip()
self.SkuId = SkuId.strip()
self.PcdOffset = PcdOffset.strip()
@ -46,6 +46,7 @@ class PcdEntry:
self.PcdUnpackValue = PcdUnpackValue
self.PcdBinOffset = PcdBinOffset
self.PcdBinSize = PcdBinSize
self.Alignment = Alignment
if self.PcdValue == '' :
EdkLogger.error("BPDG", BuildToolError.FORMAT_INVALID,
@ -434,6 +435,7 @@ class GenVPD :
else:
Alignment = 1
PCD.Alignment = Alignment
if PCD.PcdOffset != '*':
if PCD.PcdOccupySize % Alignment != 0:
if PCD.PcdUnpackValue.startswith("{"):
@ -444,6 +446,7 @@ class GenVPD :
if PCD.PcdOccupySize % Alignment != 0:
PCD.PcdOccupySize = (PCD.PcdOccupySize / Alignment + 1) * Alignment
PackSize = PCD.PcdOccupySize
if PCD._IsBoolean(PCD.PcdValue, PCD.PcdSize):
PCD._PackBooleanValue(PCD.PcdValue)
self.FileLinesList[count] = PCD
@ -518,6 +521,8 @@ class GenVPD :
# The offset start from 0
NowOffset = 0
for Pcd in self.PcdUnknownOffsetList :
if NowOffset % Pcd.Alignment != 0:
NowOffset = (NowOffset/ Pcd.Alignment + 1) * Pcd.Alignment
Pcd.PcdBinOffset = NowOffset
Pcd.PcdOffset = str(hex(Pcd.PcdBinOffset))
NowOffset += Pcd.PcdOccupySize
@ -580,6 +585,8 @@ class GenVPD :
needFixPcdSize = eachUnfixedPcd.PcdOccupySize
# Not been fixed
if eachUnfixedPcd.PcdOffset == '*' :
if LastOffset % eachUnfixedPcd.Alignment != 0:
LastOffset = (LastOffset / eachUnfixedPcd.Alignment + 1) * eachUnfixedPcd.Alignment
# The offset un-fixed pcd can write into this free space
if needFixPcdSize <= (NowOffset - LastOffset) :
# Change the offset value of un-fixed pcd
@ -632,6 +639,9 @@ class GenVPD :
NeedFixPcd = self.PcdUnknownOffsetList[0]
NeedFixPcd.PcdBinOffset = LastPcd.PcdBinOffset + LastPcd.PcdOccupySize
if NeedFixPcd.PcdBinOffset % NeedFixPcd.Alignment != 0:
NeedFixPcd.PcdBinOffset = (NeedFixPcd.PcdBinOffset / NeedFixPcd.Alignment + 1) * NeedFixPcd.Alignment
NeedFixPcd.PcdOffset = str(hex(NeedFixPcd.PcdBinOffset))
# Insert this pcd into fixed offset pcd list's tail.