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55c84777 | 1 | # Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>\r |
34952f49 LG |
2 | # This program and the accompanying materials\r |
3 | # are licensed and made available under the terms and conditions of the BSD License\r | |
4 | # which accompanies this distribution. The full text of the license may be found at\r | |
5 | # http://opensource.org/licenses/bsd-license.php\r | |
6 | #\r | |
7 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
8 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
9 | \r | |
10 | #\r | |
11 | # This file is used to collect the Variable checking information\r | |
12 | #\r | |
13 | \r | |
14 | # #\r | |
15 | # Import Modules\r | |
16 | #\r | |
17 | from struct import pack,unpack\r | |
18 | import collections\r | |
19 | import copy\r | |
20 | from Common.VariableAttributes import VariableAttributes\r | |
21 | from Common.Misc import *\r | |
22 | import collections\r | |
4d3b9389 | 23 | import Common.DataType as DataType\r |
34952f49 | 24 | \r |
e6bf3cfd | 25 | 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")\r |
34952f49 LG |
26 | NvStorageHeaderSize = 28\r |
27 | VariableHeaderSize = 32\r | |
28 | \r | |
34952f49 LG |
29 | def PackGUID(Guid):\r |
30 | GuidBuffer = pack('=LHHBBBBBBBB',\r | |
31 | int(Guid[0], 16),\r | |
32 | int(Guid[1], 16),\r | |
33 | int(Guid[2], 16),\r | |
34 | int(Guid[3][-4:-2], 16),\r | |
35 | int(Guid[3][-2:], 16),\r | |
36 | int(Guid[4][-12:-10], 16),\r | |
37 | int(Guid[4][-10:-8], 16),\r | |
38 | int(Guid[4][-8:-6], 16),\r | |
39 | int(Guid[4][-6:-4], 16),\r | |
40 | int(Guid[4][-4:-2], 16),\r | |
41 | int(Guid[4][-2:], 16)\r | |
42 | )\r | |
43 | return GuidBuffer\r | |
44 | \r | |
8518bf0b LG |
45 | class VariableMgr(object):\r |
46 | def __init__(self, DefaultStoreMap,SkuIdMap):\r | |
34952f49 | 47 | self.VarInfo = []\r |
8518bf0b LG |
48 | self.DefaultStoreMap = DefaultStoreMap\r |
49 | self.SkuIdMap = SkuIdMap\r | |
47854fd5 LG |
50 | self.VpdRegionSize = 0\r |
51 | self.VpdRegionOffset = 0\r | |
52 | self.NVHeaderBuff = None\r | |
53 | self.VarDefaultBuff = None\r | |
54 | self.VarDeltaBuff = None\r | |
34952f49 LG |
55 | \r |
56 | def append_variable(self,uefi_var):\r | |
57 | self.VarInfo.append(uefi_var)\r | |
58 | \r | |
47854fd5 LG |
59 | def SetVpdRegionMaxSize(self,maxsize):\r |
60 | self.VpdRegionSize = maxsize\r | |
61 | \r | |
62 | def SetVpdRegionOffset(self,vpdoffset):\r | |
63 | self.VpdRegionOffset = vpdoffset\r | |
64 | \r | |
65 | def PatchNVStoreDefaultMaxSize(self,maxsize):\r | |
66 | if not self.NVHeaderBuff:\r | |
67 | return ""\r | |
7e6e459a | 68 | self.NVHeaderBuff = self.NVHeaderBuff[:8] + pack("=Q",maxsize)\r |
c5419897 | 69 | default_var_bin = VariableMgr.format_data(self.NVHeaderBuff + self.VarDefaultBuff + self.VarDeltaBuff)\r |
47854fd5 LG |
70 | value_str = "{"\r |
71 | default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]\r | |
72 | value_str += ",".join(default_var_bin_strip)\r | |
73 | value_str += "}"\r | |
74 | return value_str\r | |
e6bf3cfd FB |
75 | def combine_variable(self):\r |
76 | indexedvarinfo = collections.OrderedDict()\r | |
77 | for item in self.VarInfo:\r | |
78 | if (item.skuname,item.defaultstoragename, item.var_name,item.var_guid) not in indexedvarinfo:\r | |
79 | indexedvarinfo[(item.skuname,item.defaultstoragename, item.var_name,item.var_guid) ] = []\r | |
80 | indexedvarinfo[(item.skuname,item.defaultstoragename, item.var_name,item.var_guid)].append(item)\r | |
81 | for key in indexedvarinfo:\r | |
82 | sku_var_info_offset_list = indexedvarinfo[key]\r | |
83 | if len(sku_var_info_offset_list) == 1:\r | |
84 | continue\r | |
85 | newvalue = {}\r | |
86 | for item in sku_var_info_offset_list:\r | |
87 | data_type = item.data_type\r | |
88 | value_list = item.default_value.strip("{").strip("}").split(",")\r | |
656d2539 CJ |
89 | if data_type in DataType.TAB_PCD_NUMERIC_TYPES:\r |
90 | if data_type == ["BOOLEAN", DataType.TAB_UINT8]:\r | |
e6bf3cfd | 91 | data_flag = "=B"\r |
656d2539 | 92 | elif data_type == DataType.TAB_UINT16:\r |
e6bf3cfd | 93 | data_flag = "=H"\r |
656d2539 | 94 | elif data_type == DataType.TAB_UINT32:\r |
e6bf3cfd | 95 | data_flag = "=L"\r |
656d2539 | 96 | elif data_type == DataType.TAB_UINT64:\r |
e6bf3cfd FB |
97 | data_flag = "=Q"\r |
98 | data = value_list[0]\r | |
99 | value_list = []\r | |
100 | for data_byte in pack(data_flag,int(data,16) if data.upper().startswith('0X') else int(data)):\r | |
101 | value_list += [hex(unpack("B",data_byte)[0])]\r | |
102 | newvalue[int(item.var_offset,16) if item.var_offset.upper().startswith("0X") else int(item.var_offset)] = value_list\r | |
8aa4db4b | 103 | try:\r |
c5419897 | 104 | newvaluestr = "{" + ",".join(VariableMgr.assemble_variable(newvalue)) +"}"\r |
8aa4db4b FB |
105 | except:\r |
106 | EdkLogger.error("build", AUTOGEN_ERROR, "Variable offset conflict in PCDs: %s \n" % (" and ".join([item.pcdname for item in sku_var_info_offset_list])))\r | |
e6bf3cfd | 107 | n = sku_var_info_offset_list[0]\r |
656d2539 | 108 | indexedvarinfo[key] = [var_info(n.pcdindex,n.pcdname,n.defaultstoragename,n.skuname,n.var_name, n.var_guid, "0x00",n.var_attribute,newvaluestr , newvaluestr , DataType.TAB_VOID)]\r |
e6bf3cfd | 109 | self.VarInfo = [item[0] for item in indexedvarinfo.values()]\r |
8aa4db4b | 110 | \r |
dea5ef9d CJ |
111 | @staticmethod\r |
112 | def assemble_variable(valuedict):\r | |
113 | ordered_offset = sorted(valuedict.keys())\r | |
114 | ordered_value = [valuedict[k] for k in ordered_offset]\r | |
8aa4db4b FB |
115 | var_value = []\r |
116 | num = 0\r | |
117 | for offset in ordered_offset:\r | |
118 | if offset < len(var_value):\r | |
119 | raise\r | |
120 | for _ in xrange(offset - len(var_value)):\r | |
121 | var_value.append('0x00')\r | |
122 | var_value += ordered_value[num]\r | |
123 | num +=1\r | |
124 | return var_value\r | |
dea5ef9d | 125 | \r |
34952f49 LG |
126 | def process_variable_data(self):\r |
127 | \r | |
34c006cd | 128 | var_data = collections.defaultdict(collections.OrderedDict)\r |
34952f49 LG |
129 | \r |
130 | indexedvarinfo = collections.OrderedDict()\r | |
131 | for item in self.VarInfo:\r | |
132 | if item.pcdindex not in indexedvarinfo:\r | |
133 | indexedvarinfo[item.pcdindex] = dict()\r | |
8518bf0b | 134 | indexedvarinfo[item.pcdindex][(item.skuname,item.defaultstoragename)] = item\r |
34952f49 LG |
135 | \r |
136 | for index in indexedvarinfo:\r | |
137 | sku_var_info = indexedvarinfo[index]\r | |
138 | \r | |
139 | default_data_buffer = ""\r | |
140 | others_data_buffer = ""\r | |
141 | tail = None\r | |
bffcfca8 | 142 | default_sku_default = indexedvarinfo[index].get((DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT))\r |
34952f49 | 143 | \r |
656d2539 | 144 | if default_sku_default.data_type not in DataType.TAB_PCD_NUMERIC_TYPES:\r |
34952f49 LG |
145 | var_max_len = max([len(var_item.default_value.split(",")) for var_item in sku_var_info.values()])\r |
146 | if len(default_sku_default.default_value.split(",")) < var_max_len:\r | |
147 | tail = ",".join([ "0x00" for i in range(var_max_len-len(default_sku_default.default_value.split(",")))])\r | |
148 | \r | |
c5419897 | 149 | default_data_buffer = VariableMgr.PACK_VARIABLES_DATA(default_sku_default.default_value,default_sku_default.data_type,tail)\r |
34952f49 LG |
150 | \r |
151 | default_data_array = ()\r | |
152 | for item in default_data_buffer:\r | |
153 | default_data_array += unpack("B",item)\r | |
154 | \r | |
55c84777 | 155 | var_data[(DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT)][index] = (default_data_buffer,sku_var_info[(DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT)])\r |
34952f49 | 156 | \r |
bffcfca8 | 157 | for (skuid,defaultstoragename) in indexedvarinfo[index]:\r |
34952f49 | 158 | tail = None\r |
55c84777 | 159 | if (skuid,defaultstoragename) == (DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT):\r |
34952f49 | 160 | continue\r |
bffcfca8 | 161 | other_sku_other = indexedvarinfo[index][(skuid,defaultstoragename)]\r |
34952f49 | 162 | \r |
656d2539 | 163 | if default_sku_default.data_type not in DataType.TAB_PCD_NUMERIC_TYPES:\r |
34952f49 LG |
164 | if len(other_sku_other.default_value.split(",")) < var_max_len:\r |
165 | tail = ",".join([ "0x00" for i in range(var_max_len-len(other_sku_other.default_value.split(",")))])\r | |
166 | \r | |
c5419897 | 167 | others_data_buffer = VariableMgr.PACK_VARIABLES_DATA(other_sku_other.default_value,other_sku_other.data_type,tail)\r |
34952f49 LG |
168 | \r |
169 | others_data_array = ()\r | |
170 | for item in others_data_buffer:\r | |
171 | others_data_array += unpack("B",item)\r | |
172 | \r | |
c5419897 | 173 | data_delta = VariableMgr.calculate_delta(default_data_array, others_data_array)\r |
34952f49 | 174 | \r |
34952f49 LG |
175 | var_data[(skuid,defaultstoragename)][index] = (data_delta,sku_var_info[(skuid,defaultstoragename)])\r |
176 | return var_data\r | |
177 | \r | |
178 | def new_process_varinfo(self):\r | |
e6bf3cfd | 179 | self.combine_variable()\r |
34952f49 LG |
180 | \r |
181 | var_data = self.process_variable_data()\r | |
182 | \r | |
2b8a6c44 LG |
183 | if not var_data:\r |
184 | return []\r | |
185 | \r | |
55c84777 | 186 | pcds_default_data = var_data.get((DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT),{})\r |
34952f49 LG |
187 | NvStoreDataBuffer = ""\r |
188 | var_data_offset = collections.OrderedDict()\r | |
189 | offset = NvStorageHeaderSize\r | |
190 | for default_data,default_info in pcds_default_data.values():\r | |
c5419897 | 191 | var_name_buffer = VariableMgr.PACK_VARIABLE_NAME(default_info.var_name)\r |
34952f49 LG |
192 | \r |
193 | vendorguid = default_info.var_guid.split('-')\r | |
194 | \r | |
195 | if default_info.var_attribute:\r | |
196 | var_attr_value,_ = VariableAttributes.GetVarAttributes(default_info.var_attribute)\r | |
197 | else:\r | |
198 | var_attr_value = 0x07\r | |
199 | \r | |
c5419897 | 200 | DataBuffer = VariableMgr.AlignData(var_name_buffer + default_data)\r |
34952f49 LG |
201 | \r |
202 | data_size = len(DataBuffer)\r | |
203 | offset += VariableHeaderSize + len(default_info.var_name.split(","))\r | |
204 | var_data_offset[default_info.pcdindex] = offset\r | |
205 | offset += data_size - len(default_info.var_name.split(","))\r | |
206 | \r | |
c5419897 | 207 | var_header_buffer = VariableMgr.PACK_VARIABLE_HEADER(var_attr_value, len(default_info.var_name.split(",")), len (default_data), vendorguid)\r |
34952f49 LG |
208 | NvStoreDataBuffer += (var_header_buffer + DataBuffer)\r |
209 | \r | |
c5419897 | 210 | variable_storage_header_buffer = VariableMgr.PACK_VARIABLE_STORE_HEADER(len(NvStoreDataBuffer) + 28)\r |
34952f49 | 211 | \r |
c5419897 | 212 | nv_default_part = VariableMgr.AlignData(VariableMgr.PACK_DEFAULT_DATA(0, 0, VariableMgr.unpack_data(variable_storage_header_buffer+NvStoreDataBuffer)), 8)\r |
34952f49 | 213 | \r |
34952f49 | 214 | data_delta_structure_buffer = ""\r |
8518bf0b | 215 | for skuname,defaultstore in var_data:\r |
55c84777 | 216 | if (skuname,defaultstore) == (DataType.TAB_DEFAULT,DataType.TAB_DEFAULT_STORES_DEFAULT):\r |
34952f49 | 217 | continue\r |
bffcfca8 | 218 | pcds_sku_data = var_data[(skuname,defaultstore)]\r |
34952f49 LG |
219 | delta_data_set = []\r |
220 | for pcdindex in pcds_sku_data:\r | |
221 | offset = var_data_offset[pcdindex]\r | |
222 | delta_data,_ = pcds_sku_data[pcdindex]\r | |
223 | delta_data = [(item[0] + offset, item[1]) for item in delta_data]\r | |
224 | delta_data_set.extend(delta_data)\r | |
225 | \r | |
c5419897 | 226 | data_delta_structure_buffer += VariableMgr.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set), 8)\r |
34952f49 | 227 | \r |
7e6e459a | 228 | size = len(nv_default_part + data_delta_structure_buffer) + 16\r |
47854fd5 | 229 | maxsize = self.VpdRegionSize if self.VpdRegionSize else size\r |
c5419897 | 230 | NV_Store_Default_Header = VariableMgr.PACK_NV_STORE_DEFAULT_HEADER(size,maxsize)\r |
47854fd5 LG |
231 | \r |
232 | self.NVHeaderBuff = NV_Store_Default_Header\r | |
233 | self.VarDefaultBuff =nv_default_part\r | |
234 | self.VarDeltaBuff = data_delta_structure_buffer\r | |
c5419897 | 235 | return VariableMgr.format_data(NV_Store_Default_Header + nv_default_part + data_delta_structure_buffer)\r |
34952f49 LG |
236 | \r |
237 | \r | |
c5419897 CJ |
238 | @staticmethod\r |
239 | def format_data(data):\r | |
240 | return [hex(item) for item in VariableMgr.unpack_data(data)]\r | |
34952f49 | 241 | \r |
c5419897 CJ |
242 | @staticmethod\r |
243 | def unpack_data(data):\r | |
34952f49 LG |
244 | final_data = ()\r |
245 | for item in data:\r | |
246 | final_data += unpack("B",item)\r | |
247 | return final_data\r | |
248 | \r | |
c5419897 CJ |
249 | @staticmethod\r |
250 | def calculate_delta(default, theother):\r | |
34952f49 LG |
251 | if len(default) - len(theother) != 0:\r |
252 | EdkLogger.error("build", FORMAT_INVALID, 'The variable data length is not the same for the same PCD.')\r | |
253 | data_delta = []\r | |
254 | for i in range(len(default)):\r | |
255 | if default[i] != theother[i]:\r | |
256 | data_delta.append((i,theother[i]))\r | |
257 | return data_delta\r | |
258 | \r | |
259 | def dump(self):\r | |
260 | \r | |
261 | default_var_bin = self.new_process_varinfo()\r | |
2b8a6c44 LG |
262 | if default_var_bin:\r |
263 | value_str = "{"\r | |
264 | default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]\r | |
265 | value_str += ",".join(default_var_bin_strip)\r | |
266 | value_str += "}"\r | |
267 | return value_str\r | |
268 | return ""\r | |
34952f49 | 269 | \r |
c5419897 CJ |
270 | @staticmethod\r |
271 | def PACK_VARIABLE_STORE_HEADER(size):\r | |
34952f49 LG |
272 | #Signature: gEfiVariableGuid\r |
273 | Guid = "{ 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}"\r | |
274 | Guid = GuidStructureStringToGuidString(Guid)\r | |
275 | GuidBuffer = PackGUID(Guid.split('-'))\r | |
276 | \r | |
277 | SizeBuffer = pack('=L',size)\r | |
278 | FormatBuffer = pack('=B',0x5A)\r | |
279 | StateBuffer = pack('=B',0xFE)\r | |
280 | reservedBuffer = pack('=H',0)\r | |
281 | reservedBuffer += pack('=L',0)\r | |
282 | \r | |
283 | return GuidBuffer + SizeBuffer + FormatBuffer + StateBuffer + reservedBuffer\r | |
284 | \r | |
c5419897 CJ |
285 | @staticmethod\r |
286 | def PACK_NV_STORE_DEFAULT_HEADER(size,maxsize):\r | |
47854fd5 LG |
287 | Signature = pack('=B',ord('N'))\r |
288 | Signature += pack("=B",ord('S'))\r | |
289 | Signature += pack("=B",ord('D'))\r | |
290 | Signature += pack("=B",ord('B'))\r | |
291 | \r | |
292 | SizeBuffer = pack("=L",size)\r | |
7e6e459a | 293 | MaxSizeBuffer = pack("=Q",maxsize)\r |
47854fd5 LG |
294 | \r |
295 | return Signature + SizeBuffer + MaxSizeBuffer\r | |
34952f49 | 296 | \r |
c5419897 CJ |
297 | @staticmethod\r |
298 | def PACK_VARIABLE_HEADER(attribute,namesize,datasize,vendorguid):\r | |
34952f49 LG |
299 | \r |
300 | Buffer = pack('=H',0x55AA) # pack StartID\r | |
301 | Buffer += pack('=B',0x3F) # pack State\r | |
302 | Buffer += pack('=B',0) # pack reserved\r | |
303 | \r | |
304 | Buffer += pack('=L',attribute)\r | |
305 | Buffer += pack('=L',namesize)\r | |
306 | Buffer += pack('=L',datasize)\r | |
307 | \r | |
308 | Buffer += PackGUID(vendorguid)\r | |
309 | \r | |
310 | return Buffer\r | |
311 | \r | |
c5419897 CJ |
312 | @staticmethod\r |
313 | def PACK_VARIABLES_DATA(var_value,data_type, tail = None):\r | |
34952f49 LG |
314 | Buffer = ""\r |
315 | data_len = 0\r | |
656d2539 | 316 | if data_type == DataType.TAB_VOID:\r |
34952f49 LG |
317 | for value_char in var_value.strip("{").strip("}").split(","):\r |
318 | Buffer += pack("=B",int(value_char,16))\r | |
319 | data_len += len(var_value.split(","))\r | |
320 | if tail:\r | |
321 | for value_char in tail.split(","):\r | |
322 | Buffer += pack("=B",int(value_char,16))\r | |
323 | data_len += len(tail.split(","))\r | |
324 | elif data_type == "BOOLEAN":\r | |
325 | Buffer += pack("=B",True) if var_value.upper() == "TRUE" else pack("=B",False)\r | |
326 | data_len += 1\r | |
656d2539 | 327 | elif data_type == DataType.TAB_UINT8:\r |
34952f49 LG |
328 | Buffer += pack("=B",GetIntegerValue(var_value))\r |
329 | data_len += 1\r | |
656d2539 | 330 | elif data_type == DataType.TAB_UINT16:\r |
34952f49 LG |
331 | Buffer += pack("=H",GetIntegerValue(var_value))\r |
332 | data_len += 2\r | |
656d2539 | 333 | elif data_type == DataType.TAB_UINT32:\r |
34952f49 LG |
334 | Buffer += pack("=L",GetIntegerValue(var_value))\r |
335 | data_len += 4\r | |
656d2539 | 336 | elif data_type == DataType.TAB_UINT64:\r |
34952f49 LG |
337 | Buffer += pack("=Q",GetIntegerValue(var_value))\r |
338 | data_len += 8\r | |
339 | \r | |
340 | return Buffer\r | |
341 | \r | |
c5419897 CJ |
342 | @staticmethod\r |
343 | def PACK_DEFAULT_DATA(defaultstoragename,skuid,var_value):\r | |
34952f49 | 344 | Buffer = ""\r |
7e6e459a LG |
345 | Buffer += pack("=L",4+8+8)\r |
346 | Buffer += pack("=Q",int(skuid))\r | |
347 | Buffer += pack("=Q",int(defaultstoragename))\r | |
34952f49 LG |
348 | \r |
349 | for item in var_value:\r | |
350 | Buffer += pack("=B",item)\r | |
351 | \r | |
352 | Buffer = pack("=L",len(Buffer)+4) + Buffer\r | |
353 | \r | |
354 | return Buffer\r | |
355 | \r | |
8518bf0b LG |
356 | def GetSkuId(self,skuname):\r |
357 | if skuname not in self.SkuIdMap:\r | |
358 | return None\r | |
359 | return self.SkuIdMap.get(skuname)[0]\r | |
c5419897 | 360 | \r |
8518bf0b LG |
361 | def GetDefaultStoreId(self,dname):\r |
362 | if dname not in self.DefaultStoreMap:\r | |
363 | return None\r | |
364 | return self.DefaultStoreMap.get(dname)[0]\r | |
c5419897 | 365 | \r |
8518bf0b LG |
366 | def PACK_DELTA_DATA(self,skuname,defaultstoragename,delta_list):\r |
367 | skuid = self.GetSkuId(skuname)\r | |
368 | defaultstorageid = self.GetDefaultStoreId(defaultstoragename)\r | |
34952f49 | 369 | Buffer = ""\r |
7e6e459a LG |
370 | Buffer += pack("=L",4+8+8)\r |
371 | Buffer += pack("=Q",int(skuid))\r | |
372 | Buffer += pack("=Q",int(defaultstorageid))\r | |
34952f49 LG |
373 | for (delta_offset,value) in delta_list:\r |
374 | Buffer += pack("=L",delta_offset)\r | |
375 | Buffer = Buffer[:-1] + pack("=B",value)\r | |
376 | \r | |
377 | Buffer = pack("=L",len(Buffer) + 4) + Buffer\r | |
378 | \r | |
379 | return Buffer\r | |
380 | \r | |
c5419897 CJ |
381 | @staticmethod\r |
382 | def AlignData(data, align = 4):\r | |
34952f49 | 383 | mybuffer = data\r |
7e6e459a LG |
384 | if (len(data) % align) > 0:\r |
385 | for i in range(align - (len(data) % align)):\r | |
386 | mybuffer += pack("=B",0)\r | |
34952f49 LG |
387 | \r |
388 | return mybuffer\r | |
389 | \r | |
c5419897 CJ |
390 | @staticmethod\r |
391 | def PACK_VARIABLE_NAME(var_name):\r | |
34952f49 LG |
392 | Buffer = ""\r |
393 | for name_char in var_name.strip("{").strip("}").split(","):\r | |
394 | Buffer += pack("=B",int(name_char,16))\r | |
395 | \r | |
8518bf0b | 396 | return Buffer\r |