[edk2-devel] [PATCH] BaseTools: Fix wrong variable header size
Chen Lin Z
lin.z.chen at intel.com
Tue Jan 11 13:01:12 UTC 2022
From: "Chen, Lin Z" <lin.z.chen at intel.com>
There are two type variable header and their size are different,
need to use matched size when calculating offset info, otherwise
it'll destroy other variables content when patching.
Signed-off-by: Chen, Lin Z <lin.z.chen at intel.com>
---
BaseTools/Source/Python/AutoGen/GenVar.py | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/BaseTools/Source/Python/AutoGen/GenVar.py b/BaseTools/Source/Python/AutoGen/GenVar.py
index 3f3dc69e90..f2ad54ba63 100644
--- a/BaseTools/Source/Python/AutoGen/GenVar.py
+++ b/BaseTools/Source/Python/AutoGen/GenVar.py
@@ -20,6 +20,7 @@ import Common.GlobalData as GlobalData
var_info = collections.namedtuple("uefi_var", "pcdindex,pcdname,defaultstoragename,skuname,var_name, var_guid, var_offset,var_attribute,pcd_default_value, default_value, data_type,PcdDscLine,StructurePcd")
NvStorageHeaderSize = 28
VariableHeaderSize = 32
+AuthenticatedVariableHeaderSize = 60
class VariableMgr(object):
def __init__(self, DefaultStoreMap, SkuIdMap):
@@ -171,7 +172,10 @@ class VariableMgr(object):
DataBuffer = VariableMgr.AlignData(var_name_buffer + default_data)
data_size = len(DataBuffer)
- offset += VariableHeaderSize + len(default_info.var_name.split(","))
+ if GlobalData.gCommandLineDefines.get(TAB_DSC_DEFINES_VPD_AUTHENTICATED_VARIABLE_STORE,"FALSE").upper() == "TRUE":
+ offset += AuthenticatedVariableHeaderSize + len(default_info.var_name.split(","))
+ else:
+ offset += VariableHeaderSize + len(default_info.var_name.split(","))
var_data_offset[default_info.pcdindex] = offset
offset += data_size - len(default_info.var_name.split(","))
if GlobalData.gCommandLineDefines.get(TAB_DSC_DEFINES_VPD_AUTHENTICATED_VARIABLE_STORE,"FALSE").upper() == "TRUE":
--
2.26.2.windows.1
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