system76-edk2/BaseTools/Source/Python/Common/VariableAttributes.py
Bob Feng 82a6a9605c BaseTools/Build: Add SDL support
1.BaseTool add ATTRIBUTE (+/-RT, RO) support in PCD declaration in DSC file
2.BaseTool collect valid PCD value in DEC file and generate data base for runtime sanity check
3.BaseTool support SetPcd error.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Bob Feng" <bob.c.feng@intel.com>
Reviewed-by: "Chen, Hesheng" <hesheng.chen@intel.com>
Reviewed-by: "Liu, Yingke D" <yingke.d.liu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17158 6f19259b-4bc3-4df7-8a09-765794883524
2015-04-10 06:59:47 +00:00

58 lines
2.3 KiB
Python

# # @file
#
# This file is used to handle the variable attributes and property information
#
#
# Copyright (c) 2015, 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
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
class VariableAttributes(object):
EFI_VARIABLE_NON_VOLATILE = 0x00000001
EFI_VARIABLE_BOOTSERVICE_ACCESS = 0x00000002
EFI_VARIABLE_RUNTIME_ACCESS = 0x00000004
VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY = 0x00000001
VarAttributesMap = {
"NV":EFI_VARIABLE_NON_VOLATILE,
"BS":EFI_VARIABLE_BOOTSERVICE_ACCESS,
"RT":EFI_VARIABLE_RUNTIME_ACCESS,
"RO":VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY
}
def __init__(self):
pass
@staticmethod
def GetVarAttributes(var_attr_str):
VarAttr = 0x00000000
VarProp = 0x00000000
attr_list = var_attr_str.split(",")
for attr in attr_list:
attr = attr.strip()
if attr == 'RO':
VarProp = VariableAttributes.VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY
else:
VarAttr = VarAttr | VariableAttributes.VarAttributesMap.get(attr, 0x00000000)
return VarAttr, VarProp
@staticmethod
def ValidateVarAttributes(var_attr_str):
if not var_attr_str:
return True, ""
attr_list = var_attr_str.split(",")
attr_temp = []
for attr in attr_list:
attr = attr.strip()
attr_temp.append(attr)
if attr not in VariableAttributes.VarAttributesMap:
return False, "The variable attribute %s is not support to be specified in dsc file. Supported variable attribute are ['BS','NV','RT','RO'] "
if 'RT' in attr_temp and 'BS' not in attr_temp:
return False, "the RT attribute need the BS attribute to be present"
return True, ""