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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py')
| -rw-r--r-- | roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py b/roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py new file mode 100644 index 000000000..90c43f87d --- /dev/null +++ b/roms/edk2/BaseTools/Source/Python/Common/VariableAttributes.py @@ -0,0 +1,51 @@ +# # @file
+#
+# This file is used to handle the variable attributes and property information
+#
+#
+# Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+
+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, ""
|