[mirror_edk2.git] / BaseTools / Source / Python / AutoGen / GenVar.py

# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
#\r
# This file is used to collect the Variable checking information\r
#\r
\r
# #\r
# Import Modules\r
#\r
from struct import pack,unpack\r
import collections\r
import copy\r
from Common.VariableAttributes import VariableAttributes\r
from Common.Misc import *\r
import collections\r
\r
var_info = collections.namedtuple("uefi_var", "pcdindex,pcdname,defaultstoragename,skuname,var_name, var_guid, var_attribute,pcd_default_value, default_value, data_type")\r
NvStorageHeaderSize = 28\r
VariableHeaderSize = 32\r
\r
def StringArrayToList(StringArray):\r
    StringArray = StringArray[1:-1]\r
    StringArray = '[' + StringArray + ']'\r
    return eval(StringArray)\r
\r
def PackGUID(Guid):\r
    GuidBuffer = pack('=LHHBBBBBBBB',\r
                int(Guid[0], 16),\r
                int(Guid[1], 16),\r
                int(Guid[2], 16),\r
                int(Guid[3][-4:-2], 16),\r
                int(Guid[3][-2:], 16),\r
                int(Guid[4][-12:-10], 16),\r
                int(Guid[4][-10:-8], 16),\r
                int(Guid[4][-8:-6], 16),\r
                int(Guid[4][-6:-4], 16),\r
                int(Guid[4][-4:-2], 16),\r
                int(Guid[4][-2:], 16)\r
                )\r
    return GuidBuffer\r
\r
class VariableMgr(object):\r
    def __init__(self, DefaultStoreMap,SkuIdMap):\r
        self.VarInfo = []\r
        self.DefaultStoreMap = DefaultStoreMap\r
        self.SkuIdMap = SkuIdMap\r
\r
    def append_variable(self,uefi_var):\r
        self.VarInfo.append(uefi_var)\r
\r
    def process_variable_data(self):\r
\r
        var_data = dict()\r
\r
        indexedvarinfo = collections.OrderedDict()\r
        for item in self.VarInfo:\r
            if item.pcdindex not in indexedvarinfo:\r
                indexedvarinfo[item.pcdindex] = dict()\r
            indexedvarinfo[item.pcdindex][(item.skuname,item.defaultstoragename)] = item\r
\r
        for index in indexedvarinfo:\r
            sku_var_info = indexedvarinfo[index]\r
\r
            default_data_buffer = ""\r
            others_data_buffer = ""\r
            tail = None\r
            default_sku_default = indexedvarinfo.get(index).get(("DEFAULT","STANDARD"))\r
\r
            if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:\r
                var_max_len = max([len(var_item.default_value.split(",")) for var_item in sku_var_info.values()])\r
                if len(default_sku_default.default_value.split(",")) < var_max_len:\r
                    tail = ",".join([ "0x00" for i in range(var_max_len-len(default_sku_default.default_value.split(",")))])\r
\r
            default_data_buffer = self.PACK_VARIABLES_DATA(default_sku_default.default_value,default_sku_default.data_type,tail)\r
\r
            default_data_array = ()\r
            for item in default_data_buffer:\r
                default_data_array += unpack("B",item)\r
\r
            if ("DEFAULT","STANDARD") not in var_data:\r
                var_data[("DEFAULT","STANDARD")] = collections.OrderedDict()\r
            var_data[("DEFAULT","STANDARD")][index] = (default_data_buffer,sku_var_info[("DEFAULT","STANDARD")])\r
\r
            for (skuid,defaultstoragename) in indexedvarinfo.get(index):\r
                tail = None\r
                if (skuid,defaultstoragename) == ("DEFAULT","STANDARD"):\r
                    continue\r
                other_sku_other = indexedvarinfo.get(index).get((skuid,defaultstoragename))\r
\r
                if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:\r
                    if len(other_sku_other.default_value.split(",")) < var_max_len:\r
                        tail = ",".join([ "0x00" for i in range(var_max_len-len(other_sku_other.default_value.split(",")))])\r
\r
                others_data_buffer = self.PACK_VARIABLES_DATA(other_sku_other.default_value,other_sku_other.data_type,tail)\r
\r
                others_data_array = ()\r
                for item in others_data_buffer:\r
                    others_data_array += unpack("B",item)\r
\r
                data_delta = self.calculate_delta(default_data_array, others_data_array)\r
\r
                if (skuid,defaultstoragename) not in var_data:\r
                    var_data[(skuid,defaultstoragename)] = collections.OrderedDict()\r
                var_data[(skuid,defaultstoragename)][index] = (data_delta,sku_var_info[(skuid,defaultstoragename)])\r
        return var_data\r
\r
    def new_process_varinfo(self):\r
\r
        var_data = self.process_variable_data()\r
\r
        if not var_data:\r
            return []\r
\r
        pcds_default_data = var_data.get(("DEFAULT","STANDARD"))\r
        NvStoreDataBuffer = ""\r
        var_data_offset = collections.OrderedDict()\r
        offset = NvStorageHeaderSize\r
        for default_data,default_info in pcds_default_data.values():\r
            var_name_buffer = self.PACK_VARIABLE_NAME(default_info.var_name)\r
\r
            vendorguid = default_info.var_guid.split('-')\r
\r
            if default_info.var_attribute:\r
                var_attr_value,_ = VariableAttributes.GetVarAttributes(default_info.var_attribute)\r
            else:\r
                var_attr_value = 0x07\r
\r
#             print "default var_name_buffer"\r
#             print self.format_data(var_name_buffer)\r
#             print "default var_buffer"\r
#             print self.format_data(default_data)\r
\r
            DataBuffer = self.AlignData(var_name_buffer + default_data)\r
\r
            data_size = len(DataBuffer)\r
            offset += VariableHeaderSize + len(default_info.var_name.split(","))\r
            var_data_offset[default_info.pcdindex] = offset\r
            offset += data_size - len(default_info.var_name.split(","))\r
\r
            var_header_buffer = self.PACK_VARIABLE_HEADER(var_attr_value, len(default_info.var_name.split(",")), len (default_data), vendorguid)\r
            NvStoreDataBuffer += (var_header_buffer + DataBuffer)\r
\r
        variable_storage_header_buffer = self.PACK_VARIABLE_STORE_HEADER(len(NvStoreDataBuffer) + 28)\r
\r
        nv_default_part = self.AlignData(self.PACK_DEFAULT_DATA(0, 0, self.unpack_data(variable_storage_header_buffer+NvStoreDataBuffer)))\r
\r
#         print "default whole data \n",self.format_data(nv_default_part)\r
\r
        data_delta_structure_buffer = ""\r
        for skuname,defaultstore in var_data:\r
            if (skuname,defaultstore) == ("DEFAULT","STANDARD"):\r
                continue\r
            pcds_sku_data = var_data.get((skuname,defaultstore))\r
            delta_data_set = []\r
            for pcdindex in pcds_sku_data:\r
                offset = var_data_offset[pcdindex]\r
                delta_data,_ = pcds_sku_data[pcdindex]\r
                delta_data = [(item[0] + offset, item[1]) for item in delta_data]\r
                delta_data_set.extend(delta_data)\r
\r
            data_delta_structure_buffer += self.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set))\r
#             print "delta data"\r
#             print delta_data_set\r
#             print self.format_data(self.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set)))\r
\r
        return self.format_data(nv_default_part + data_delta_structure_buffer)\r
\r
\r
    def format_data(self,data):\r
\r
        return  [hex(item) for item in self.unpack_data(data)]\r
\r
    def unpack_data(self,data):\r
        final_data = ()\r
        for item in data:\r
            final_data += unpack("B",item)\r
        return final_data\r
\r
    def calculate_delta(self, default, theother):\r
#         print "default data \n", default\r
#         print "other data \n",theother\r
        if len(default) - len(theother) != 0:\r
            EdkLogger.error("build", FORMAT_INVALID, 'The variable data length is not the same for the same PCD.')\r
        data_delta = []\r
        for i in range(len(default)):\r
            if default[i] != theother[i]:\r
                data_delta.append((i,theother[i]))\r
        return data_delta\r
\r
    def dump(self):\r
\r
        default_var_bin = self.new_process_varinfo()\r
        if default_var_bin:\r
            value_str = "{"\r
            default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]\r
            value_str += ",".join(default_var_bin_strip)\r
            value_str += "}"\r
            return value_str\r
        return ""\r
\r
    def PACK_VARIABLE_STORE_HEADER(self,size):\r
        #Signature: gEfiVariableGuid\r
        Guid = "{ 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}"\r
        Guid = GuidStructureStringToGuidString(Guid)\r
        GuidBuffer = PackGUID(Guid.split('-'))\r
\r
        SizeBuffer = pack('=L',size)\r
        FormatBuffer = pack('=B',0x5A)\r
        StateBuffer = pack('=B',0xFE)\r
        reservedBuffer = pack('=H',0)\r
        reservedBuffer += pack('=L',0)\r
\r
        return GuidBuffer + SizeBuffer + FormatBuffer + StateBuffer + reservedBuffer\r
\r
\r
    def PACK_VARIABLE_HEADER(self,attribute,namesize,datasize,vendorguid):\r
\r
        Buffer = pack('=H',0x55AA) # pack StartID\r
        Buffer += pack('=B',0x3F)  # pack State\r
        Buffer += pack('=B',0)     # pack reserved\r
\r
        Buffer += pack('=L',attribute)\r
        Buffer += pack('=L',namesize)\r
        Buffer += pack('=L',datasize)\r
\r
        Buffer += PackGUID(vendorguid)\r
\r
        return Buffer\r
\r
    def PACK_VARIABLES_DATA(self, var_value,data_type, tail = None):\r
        Buffer = ""\r
        data_len = 0\r
        if data_type == "VOID*":\r
            for value_char in var_value.strip("{").strip("}").split(","):\r
                Buffer += pack("=B",int(value_char,16))\r
            data_len += len(var_value.split(","))\r
            if tail:\r
                for value_char in tail.split(","):\r
                    Buffer += pack("=B",int(value_char,16))\r
                data_len += len(tail.split(","))\r
        elif data_type == "BOOLEAN":\r
            Buffer += pack("=B",True) if var_value.upper() == "TRUE" else pack("=B",False)\r
            data_len += 1\r
        elif data_type  == "UINT8":\r
            Buffer += pack("=B",GetIntegerValue(var_value))\r
            data_len += 1\r
        elif data_type == "UINT16":\r
            Buffer += pack("=H",GetIntegerValue(var_value))\r
            data_len += 2\r
        elif data_type == "UINT32":\r
            Buffer += pack("=L",GetIntegerValue(var_value))\r
            data_len += 4\r
        elif data_type == "UINT64":\r
            Buffer += pack("=Q",GetIntegerValue(var_value))\r
            data_len += 8\r
\r
        return Buffer\r
\r
    def PACK_DEFAULT_DATA(self, defaultstoragename,skuid,var_value):\r
        Buffer = ""\r
        Buffer += pack("=L",8)\r
        Buffer += pack("=H",int(defaultstoragename))\r
        Buffer += pack("=H",int(skuid))\r
\r
        for item in var_value:\r
            Buffer += pack("=B",item)\r
\r
        Buffer = pack("=L",len(Buffer)+4) + Buffer\r
\r
        return Buffer\r
\r
    def GetSkuId(self,skuname):\r
        if skuname not in self.SkuIdMap:\r
            return None\r
        return self.SkuIdMap.get(skuname)[0]\r
    def GetDefaultStoreId(self,dname):\r
        if dname not in self.DefaultStoreMap:\r
            return None\r
        return self.DefaultStoreMap.get(dname)[0]\r
    def PACK_DELTA_DATA(self,skuname,defaultstoragename,delta_list):\r
        skuid = self.GetSkuId(skuname)\r
        defaultstorageid = self.GetDefaultStoreId(defaultstoragename)\r
        Buffer = ""\r
        Buffer += pack("=L",8)\r
        Buffer += pack("=H",int(skuid))\r
        Buffer += pack("=H",int(defaultstorageid))\r
        for (delta_offset,value) in delta_list:\r
            Buffer += pack("=L",delta_offset)\r
            Buffer = Buffer[:-1] + pack("=B",value)\r
\r
        Buffer = pack("=L",len(Buffer) + 4) + Buffer\r
\r
        return Buffer\r
\r
    def AlignData(self,data, align = 4):\r
        mybuffer = data\r
        for i in range(len(data) % align):\r
            mybuffer += pack("=B",0)\r
\r
        return mybuffer\r
\r
    def PACK_VARIABLE_NAME(self, var_name):\r
        Buffer = ""\r
        for name_char in var_name.strip("{").strip("}").split(","):\r
            Buffer += pack("=B",int(name_char,16))\r
\r
        return Buffer\r
Commit	Line	Data
34952f49 LG	1	# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
	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
	23	\r
	24	var_info = collections.namedtuple("uefi_var", "pcdindex,pcdname,defaultstoragename,skuname,var_name, var_guid, var_attribute,pcd_default_value, default_value, data_type")\r
	25	NvStorageHeaderSize = 28\r
	26	VariableHeaderSize = 32\r
	27	\r
	28	def StringArrayToList(StringArray):\r
	29	StringArray = StringArray[1:-1]\r
	30	StringArray = '[' + StringArray + ']'\r
	31	return eval(StringArray)\r
	32	\r
	33	def PackGUID(Guid):\r
	34	GuidBuffer = pack('=LHHBBBBBBBB',\r
	35	int(Guid[0], 16),\r
	36	int(Guid[1], 16),\r
	37	int(Guid[2], 16),\r
	38	int(Guid[3][-4:-2], 16),\r
	39	int(Guid[3][-2:], 16),\r
	40	int(Guid[4][-12:-10], 16),\r
	41	int(Guid[4][-10:-8], 16),\r
	42	int(Guid[4][-8:-6], 16),\r
	43	int(Guid[4][-6:-4], 16),\r
	44	int(Guid[4][-4:-2], 16),\r
	45	int(Guid[4][-2:], 16)\r
	46	)\r
	47	return GuidBuffer\r
	48	\r
8518bf0b LG	49	class VariableMgr(object):\r
8518bf0b LG	50	def __init__(self, DefaultStoreMap,SkuIdMap):\r
34952f49	51	self.VarInfo = []\r
8518bf0b LG	52	self.DefaultStoreMap = DefaultStoreMap\r
8518bf0b LG	53	self.SkuIdMap = SkuIdMap\r
34952f49 LG	54	\r
	55	def append_variable(self,uefi_var):\r
	56	self.VarInfo.append(uefi_var)\r
	57	\r
	58	def process_variable_data(self):\r
	59	\r
	60	var_data = dict()\r
	61	\r
	62	indexedvarinfo = collections.OrderedDict()\r
	63	for item in self.VarInfo:\r
	64	if item.pcdindex not in indexedvarinfo:\r
	65	indexedvarinfo[item.pcdindex] = dict()\r
8518bf0b	66	indexedvarinfo[item.pcdindex][(item.skuname,item.defaultstoragename)] = item\r
34952f49 LG	67	\r
	68	for index in indexedvarinfo:\r
	69	sku_var_info = indexedvarinfo[index]\r
	70	\r
	71	default_data_buffer = ""\r
	72	others_data_buffer = ""\r
	73	tail = None\r
8518bf0b	74	default_sku_default = indexedvarinfo.get(index).get(("DEFAULT","STANDARD"))\r
34952f49 LG	75	\r
	76	if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:\r
	77	var_max_len = max([len(var_item.default_value.split(",")) for var_item in sku_var_info.values()])\r
	78	if len(default_sku_default.default_value.split(",")) < var_max_len:\r
	79	tail = ",".join([ "0x00" for i in range(var_max_len-len(default_sku_default.default_value.split(",")))])\r
	80	\r
	81	default_data_buffer = self.PACK_VARIABLES_DATA(default_sku_default.default_value,default_sku_default.data_type,tail)\r
	82	\r
	83	default_data_array = ()\r
	84	for item in default_data_buffer:\r
	85	default_data_array += unpack("B",item)\r
	86	\r
8518bf0b LG	87	if ("DEFAULT","STANDARD") not in var_data:\r
	88	var_data[("DEFAULT","STANDARD")] = collections.OrderedDict()\r
	89	var_data[("DEFAULT","STANDARD")][index] = (default_data_buffer,sku_var_info[("DEFAULT","STANDARD")])\r
34952f49 LG	90	\r
	91	for (skuid,defaultstoragename) in indexedvarinfo.get(index):\r
	92	tail = None\r
8518bf0b	93	if (skuid,defaultstoragename) == ("DEFAULT","STANDARD"):\r
34952f49 LG	94	continue\r
	95	other_sku_other = indexedvarinfo.get(index).get((skuid,defaultstoragename))\r
	96	\r
	97	if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:\r
	98	if len(other_sku_other.default_value.split(",")) < var_max_len:\r
	99	tail = ",".join([ "0x00" for i in range(var_max_len-len(other_sku_other.default_value.split(",")))])\r
	100	\r
	101	others_data_buffer = self.PACK_VARIABLES_DATA(other_sku_other.default_value,other_sku_other.data_type,tail)\r
	102	\r
	103	others_data_array = ()\r
	104	for item in others_data_buffer:\r
	105	others_data_array += unpack("B",item)\r
	106	\r
	107	data_delta = self.calculate_delta(default_data_array, others_data_array)\r
	108	\r
	109	if (skuid,defaultstoragename) not in var_data:\r
	110	var_data[(skuid,defaultstoragename)] = collections.OrderedDict()\r
	111	var_data[(skuid,defaultstoragename)][index] = (data_delta,sku_var_info[(skuid,defaultstoragename)])\r
	112	return var_data\r
	113	\r
	114	def new_process_varinfo(self):\r
	115	\r
	116	var_data = self.process_variable_data()\r
	117	\r
2b8a6c44 LG	118	if not var_data:\r
	119	return []\r
	120	\r
8518bf0b	121	pcds_default_data = var_data.get(("DEFAULT","STANDARD"))\r
34952f49 LG	122	NvStoreDataBuffer = ""\r
	123	var_data_offset = collections.OrderedDict()\r
	124	offset = NvStorageHeaderSize\r
	125	for default_data,default_info in pcds_default_data.values():\r
	126	var_name_buffer = self.PACK_VARIABLE_NAME(default_info.var_name)\r
	127	\r
	128	vendorguid = default_info.var_guid.split('-')\r
	129	\r
	130	if default_info.var_attribute:\r
	131	var_attr_value,_ = VariableAttributes.GetVarAttributes(default_info.var_attribute)\r
	132	else:\r
	133	var_attr_value = 0x07\r
	134	\r
2b8a6c44 LG	135	# print "default var_name_buffer"\r
	136	# print self.format_data(var_name_buffer)\r
	137	# print "default var_buffer"\r
	138	# print self.format_data(default_data)\r
	139	\r
34952f49 LG	140	DataBuffer = self.AlignData(var_name_buffer + default_data)\r
	141	\r
	142	data_size = len(DataBuffer)\r
	143	offset += VariableHeaderSize + len(default_info.var_name.split(","))\r
	144	var_data_offset[default_info.pcdindex] = offset\r
	145	offset += data_size - len(default_info.var_name.split(","))\r
	146	\r
8518bf0b	147	var_header_buffer = self.PACK_VARIABLE_HEADER(var_attr_value, len(default_info.var_name.split(",")), len (default_data), vendorguid)\r
34952f49 LG	148	NvStoreDataBuffer += (var_header_buffer + DataBuffer)\r
	149	\r
	150	variable_storage_header_buffer = self.PACK_VARIABLE_STORE_HEADER(len(NvStoreDataBuffer) + 28)\r
	151	\r
	152	nv_default_part = self.AlignData(self.PACK_DEFAULT_DATA(0, 0, self.unpack_data(variable_storage_header_buffer+NvStoreDataBuffer)))\r
	153	\r
2b8a6c44 LG	154	# print "default whole data \n",self.format_data(nv_default_part)\r
2b8a6c44 LG	155	\r
34952f49	156	data_delta_structure_buffer = ""\r
8518bf0b LG	157	for skuname,defaultstore in var_data:\r
8518bf0b LG	158	if (skuname,defaultstore) == ("DEFAULT","STANDARD"):\r
34952f49	159	continue\r
8518bf0b	160	pcds_sku_data = var_data.get((skuname,defaultstore))\r
34952f49 LG	161	delta_data_set = []\r
	162	for pcdindex in pcds_sku_data:\r
	163	offset = var_data_offset[pcdindex]\r
	164	delta_data,_ = pcds_sku_data[pcdindex]\r
	165	delta_data = [(item[0] + offset, item[1]) for item in delta_data]\r
	166	delta_data_set.extend(delta_data)\r
	167	\r
8518bf0b	168	data_delta_structure_buffer += self.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set))\r
2b8a6c44 LG	169	# print "delta data"\r
	170	# print delta_data_set\r
	171	# print self.format_data(self.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set)))\r
34952f49 LG	172	\r
	173	return self.format_data(nv_default_part + data_delta_structure_buffer)\r
	174	\r
	175	\r
	176	def format_data(self,data):\r
	177	\r
	178	return [hex(item) for item in self.unpack_data(data)]\r
	179	\r
	180	def unpack_data(self,data):\r
	181	final_data = ()\r
	182	for item in data:\r
	183	final_data += unpack("B",item)\r
	184	return final_data\r
	185	\r
	186	def calculate_delta(self, default, theother):\r
2b8a6c44 LG	187	# print "default data \n", default\r
2b8a6c44 LG	188	# print "other data \n",theother\r
34952f49 LG	189	if len(default) - len(theother) != 0:\r
	190	EdkLogger.error("build", FORMAT_INVALID, 'The variable data length is not the same for the same PCD.')\r
	191	data_delta = []\r
	192	for i in range(len(default)):\r
	193	if default[i] != theother[i]:\r
	194	data_delta.append((i,theother[i]))\r
	195	return data_delta\r
	196	\r
	197	def dump(self):\r
	198	\r
	199	default_var_bin = self.new_process_varinfo()\r
2b8a6c44 LG	200	if default_var_bin:\r
	201	value_str = "{"\r
	202	default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]\r
	203	value_str += ",".join(default_var_bin_strip)\r
	204	value_str += "}"\r
	205	return value_str\r
	206	return ""\r
34952f49 LG	207	\r
	208	def PACK_VARIABLE_STORE_HEADER(self,size):\r
	209	#Signature: gEfiVariableGuid\r
	210	Guid = "{ 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}"\r
	211	Guid = GuidStructureStringToGuidString(Guid)\r
	212	GuidBuffer = PackGUID(Guid.split('-'))\r
	213	\r
	214	SizeBuffer = pack('=L',size)\r
	215	FormatBuffer = pack('=B',0x5A)\r
	216	StateBuffer = pack('=B',0xFE)\r
	217	reservedBuffer = pack('=H',0)\r
	218	reservedBuffer += pack('=L',0)\r
	219	\r
	220	return GuidBuffer + SizeBuffer + FormatBuffer + StateBuffer + reservedBuffer\r
	221	\r
	222	\r
	223	def PACK_VARIABLE_HEADER(self,attribute,namesize,datasize,vendorguid):\r
	224	\r
	225	Buffer = pack('=H',0x55AA) # pack StartID\r
	226	Buffer += pack('=B',0x3F) # pack State\r
	227	Buffer += pack('=B',0) # pack reserved\r
	228	\r
	229	Buffer += pack('=L',attribute)\r
	230	Buffer += pack('=L',namesize)\r
	231	Buffer += pack('=L',datasize)\r
	232	\r
	233	Buffer += PackGUID(vendorguid)\r
	234	\r
	235	return Buffer\r
	236	\r
	237	def PACK_VARIABLES_DATA(self, var_value,data_type, tail = None):\r
	238	Buffer = ""\r
	239	data_len = 0\r
	240	if data_type == "VOID*":\r
	241	for value_char in var_value.strip("{").strip("}").split(","):\r
	242	Buffer += pack("=B",int(value_char,16))\r
	243	data_len += len(var_value.split(","))\r
	244	if tail:\r
	245	for value_char in tail.split(","):\r
	246	Buffer += pack("=B",int(value_char,16))\r
	247	data_len += len(tail.split(","))\r
	248	elif data_type == "BOOLEAN":\r
	249	Buffer += pack("=B",True) if var_value.upper() == "TRUE" else pack("=B",False)\r
	250	data_len += 1\r
	251	elif data_type == "UINT8":\r
	252	Buffer += pack("=B",GetIntegerValue(var_value))\r
	253	data_len += 1\r
	254	elif data_type == "UINT16":\r
	255	Buffer += pack("=H",GetIntegerValue(var_value))\r
	256	data_len += 2\r
	257	elif data_type == "UINT32":\r
	258	Buffer += pack("=L",GetIntegerValue(var_value))\r
	259	data_len += 4\r
	260	elif data_type == "UINT64":\r
	261	Buffer += pack("=Q",GetIntegerValue(var_value))\r
	262	data_len += 8\r
	263	\r
	264	return Buffer\r
	265	\r
	266	def PACK_DEFAULT_DATA(self, defaultstoragename,skuid,var_value):\r
	267	Buffer = ""\r
8518bf0b	268	Buffer += pack("=L",8)\r
34952f49 LG	269	Buffer += pack("=H",int(defaultstoragename))\r
	270	Buffer += pack("=H",int(skuid))\r
	271	\r
	272	for item in var_value:\r
	273	Buffer += pack("=B",item)\r
	274	\r
	275	Buffer = pack("=L",len(Buffer)+4) + Buffer\r
	276	\r
	277	return Buffer\r
	278	\r
8518bf0b LG	279	def GetSkuId(self,skuname):\r
	280	if skuname not in self.SkuIdMap:\r
	281	return None\r
	282	return self.SkuIdMap.get(skuname)[0]\r
	283	def GetDefaultStoreId(self,dname):\r
	284	if dname not in self.DefaultStoreMap:\r
	285	return None\r
	286	return self.DefaultStoreMap.get(dname)[0]\r
	287	def PACK_DELTA_DATA(self,skuname,defaultstoragename,delta_list):\r
	288	skuid = self.GetSkuId(skuname)\r
	289	defaultstorageid = self.GetDefaultStoreId(defaultstoragename)\r
34952f49	290	Buffer = ""\r
8518bf0b	291	Buffer += pack("=L",8)\r
34952f49	292	Buffer += pack("=H",int(skuid))\r
8518bf0b	293	Buffer += pack("=H",int(defaultstorageid))\r
34952f49 LG	294	for (delta_offset,value) in delta_list:\r
	295	Buffer += pack("=L",delta_offset)\r
	296	Buffer = Buffer[:-1] + pack("=B",value)\r
	297	\r
	298	Buffer = pack("=L",len(Buffer) + 4) + Buffer\r
	299	\r
	300	return Buffer\r
	301	\r
	302	def AlignData(self,data, align = 4):\r
	303	mybuffer = data\r
	304	for i in range(len(data) % align):\r
	305	mybuffer += pack("=B",0)\r
	306	\r
	307	return mybuffer\r
	308	\r
	309	def PACK_VARIABLE_NAME(self, var_name):\r
	310	Buffer = ""\r
	311	for name_char in var_name.strip("{").strip("}").split(","):\r
	312	Buffer += pack("=B",int(name_char,16))\r
	313	\r
8518bf0b	314	return Buffer\r