mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
281 lines
9.9 KiB
Python
281 lines
9.9 KiB
Python
# Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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# This file is used to collect the Variable checking information
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#
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# #
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# Import Modules
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#
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import os
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from Common.RangeExpression import RangeExpression
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from Common.Misc import *
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from io import BytesIO
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from struct import pack
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from Common.DataType import *
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class VAR_CHECK_PCD_VARIABLE_TAB_CONTAINER(object):
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def __init__(self):
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self.var_check_info = []
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def push_back(self, var_check_tab):
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for tab in self.var_check_info:
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if tab.equal(var_check_tab):
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tab.merge(var_check_tab)
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break
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else:
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self.var_check_info.append(var_check_tab)
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def dump(self, dest, Phase):
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if not os.path.isabs(dest):
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return
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if not os.path.exists(dest):
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os.mkdir(dest)
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BinFileName = "PcdVarCheck.bin"
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BinFilePath = os.path.join(dest, BinFileName)
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Buffer = bytearray()
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index = 0
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for var_check_tab in self.var_check_info:
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index += 1
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realLength = 0
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realLength += 32
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Name = var_check_tab.Name[1:-1]
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NameChars = Name.split(",")
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realLength += len(NameChars)
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if (index < len(self.var_check_info) and realLength % 4) or (index == len(self.var_check_info) and len(var_check_tab.validtab) > 0 and realLength % 4):
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realLength += (4 - (realLength % 4))
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itemIndex = 0
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for item in var_check_tab.validtab:
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itemIndex += 1
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realLength += 5
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for v_data in item.data:
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if isinstance(v_data, int):
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realLength += item.StorageWidth
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else:
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realLength += item.StorageWidth
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realLength += item.StorageWidth
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if (index == len(self.var_check_info)) :
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if (itemIndex < len(var_check_tab.validtab)) and realLength % 4:
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realLength += (4 - (realLength % 4))
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else:
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if realLength % 4:
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realLength += (4 - (realLength % 4))
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var_check_tab.Length = realLength
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realLength = 0
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index = 0
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for var_check_tab in self.var_check_info:
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index += 1
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b = pack("=H", var_check_tab.Revision)
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Buffer += b
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realLength += 2
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b = pack("=H", var_check_tab.HeaderLength)
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Buffer += b
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realLength += 2
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b = pack("=L", var_check_tab.Length)
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Buffer += b
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realLength += 4
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b = pack("=B", var_check_tab.Type)
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Buffer += b
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realLength += 1
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for i in range(0, 3):
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b = pack("=B", var_check_tab.Reserved)
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Buffer += b
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realLength += 1
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b = pack("=L", var_check_tab.Attributes)
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Buffer += b
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realLength += 4
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Guid = var_check_tab.Guid
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b = PackByteFormatGUID(Guid)
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Buffer += b
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realLength += 16
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Name = var_check_tab.Name[1:-1]
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NameChars = Name.split(",")
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for NameChar in NameChars:
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NameCharNum = int(NameChar, 16)
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b = pack("=B", NameCharNum)
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Buffer += b
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realLength += 1
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if (index < len(self.var_check_info) and realLength % 4) or (index == len(self.var_check_info) and len(var_check_tab.validtab) > 0 and realLength % 4):
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for i in range(4 - (realLength % 4)):
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b = pack("=B", var_check_tab.pad)
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Buffer += b
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realLength += 1
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itemIndex = 0
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for item in var_check_tab.validtab:
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itemIndex += 1
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b = pack("=B", item.Type)
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Buffer += b
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realLength += 1
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b = pack("=B", item.Length)
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Buffer += b
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realLength += 1
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b = pack("=H", int(item.VarOffset, 16))
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Buffer += b
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realLength += 2
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b = pack("=B", item.StorageWidth)
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Buffer += b
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realLength += 1
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for v_data in item.data:
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if isinstance(v_data, int):
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b = pack(PACK_CODE_BY_SIZE[item.StorageWidth], v_data)
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Buffer += b
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realLength += item.StorageWidth
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else:
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b = pack(PACK_CODE_BY_SIZE[item.StorageWidth], v_data[0])
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Buffer += b
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realLength += item.StorageWidth
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b = pack(PACK_CODE_BY_SIZE[item.StorageWidth], v_data[1])
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Buffer += b
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realLength += item.StorageWidth
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if (index == len(self.var_check_info)) :
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if (itemIndex < len(var_check_tab.validtab)) and realLength % 4:
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for i in range(4 - (realLength % 4)):
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b = pack("=B", var_check_tab.pad)
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Buffer += b
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realLength += 1
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else:
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if realLength % 4:
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for i in range(4 - (realLength % 4)):
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b = pack("=B", var_check_tab.pad)
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Buffer += b
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realLength += 1
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DbFile = BytesIO()
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if Phase == 'DXE' and os.path.exists(BinFilePath):
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BinFile = open(BinFilePath, "rb")
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BinBuffer = BinFile.read()
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BinFile.close()
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BinBufferSize = len(BinBuffer)
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if (BinBufferSize % 4):
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for i in range(4 - (BinBufferSize % 4)):
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b = pack("=B", VAR_CHECK_PCD_VARIABLE_TAB.pad)
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BinBuffer += b
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Buffer = BinBuffer + Buffer
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DbFile.write(Buffer)
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SaveFileOnChange(BinFilePath, DbFile.getvalue(), True)
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class VAR_CHECK_PCD_VARIABLE_TAB(object):
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pad = 0xDA
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def __init__(self, TokenSpaceGuid, PcdCName):
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self.Revision = 0x0001
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self.HeaderLength = 0
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self.Length = 0 # Length include this header
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self.Type = 0
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self.Reserved = 0
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self.Attributes = 0x00000000
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self.Guid = eval("[" + TokenSpaceGuid.replace("{", "").replace("}", "") + "]")
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self.Name = PcdCName
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self.validtab = []
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def UpdateSize(self):
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self.HeaderLength = 32 + len(self.Name.split(","))
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self.Length = 32 + len(self.Name.split(",")) + self.GetValidTabLen()
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def GetValidTabLen(self):
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validtablen = 0
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for item in self.validtab:
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validtablen += item.Length
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return validtablen
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def SetAttributes(self, attributes):
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self.Attributes = attributes
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def push_back(self, valid_obj):
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if valid_obj is not None:
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self.validtab.append(valid_obj)
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def equal(self, varchecktab):
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if self.Guid == varchecktab.Guid and self.Name == varchecktab.Name:
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return True
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else:
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return False
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def merge(self, varchecktab):
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for validobj in varchecktab.validtab:
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if validobj in self.validtab:
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continue
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self.validtab.append(validobj)
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self.UpdateSize()
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class VAR_CHECK_PCD_VALID_OBJ(object):
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def __init__(self, VarOffset, data, PcdDataType):
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self.Type = 1
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self.Length = 0 # Length include this header
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self.VarOffset = VarOffset
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self.PcdDataType = PcdDataType.strip()
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self.rawdata = data
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self.data = set()
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try:
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self.StorageWidth = MAX_SIZE_TYPE[self.PcdDataType]
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self.ValidData = True
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except:
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self.StorageWidth = 0
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self.ValidData = False
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def __eq__(self, validObj):
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return validObj and self.VarOffset == validObj.VarOffset
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class VAR_CHECK_PCD_VALID_LIST(VAR_CHECK_PCD_VALID_OBJ):
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def __init__(self, VarOffset, validlist, PcdDataType):
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super(VAR_CHECK_PCD_VALID_LIST, self).__init__(VarOffset, validlist, PcdDataType)
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self.Type = 1
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valid_num_list = []
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for item in self.rawdata:
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valid_num_list.extend(item.split(','))
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for valid_num in valid_num_list:
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valid_num = valid_num.strip()
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if valid_num.startswith('0x') or valid_num.startswith('0X'):
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self.data.add(int(valid_num, 16))
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else:
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self.data.add(int(valid_num))
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self.Length = 5 + len(self.data) * self.StorageWidth
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class VAR_CHECK_PCD_VALID_RANGE(VAR_CHECK_PCD_VALID_OBJ):
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def __init__(self, VarOffset, validrange, PcdDataType):
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super(VAR_CHECK_PCD_VALID_RANGE, self).__init__(VarOffset, validrange, PcdDataType)
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self.Type = 2
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RangeExpr = ""
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i = 0
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for item in self.rawdata:
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if i == 0:
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RangeExpr = "( " + item + " )"
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else:
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RangeExpr = RangeExpr + "OR ( " + item + " )"
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range_result = RangeExpression(RangeExpr, self.PcdDataType)(True)
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for rangelist in range_result:
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for obj in rangelist.pop():
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self.data.add((obj.start, obj.end))
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self.Length = 5 + len(self.data) * 2 * self.StorageWidth
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def GetValidationObject(PcdClass, VarOffset):
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if PcdClass.validateranges:
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return VAR_CHECK_PCD_VALID_RANGE(VarOffset, PcdClass.validateranges, PcdClass.DatumType)
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if PcdClass.validlists:
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return VAR_CHECK_PCD_VALID_LIST(VarOffset, PcdClass.validlists, PcdClass.DatumType)
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else:
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return None
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