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system76-edk2/BaseTools/Source/Python/AutoGen/GenVar.py
Feng, Bob C 8aa4db4b80 BaseTool: Fixed Pcd issues. 
1. Check variable offset when merging Hii Pcds
2. Fixed the issue of Hii value inherit with default store.
3. Error handling for incorrect structure pcd declare.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2018-02-08 11:09:42 +08:00

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# Copyright (c) 2017, 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.
#
# This file is used to collect the Variable checking information
#
# #
# Import Modules
#
from struct import pack,unpack
import collections
import copy
from Common.VariableAttributes import VariableAttributes
from Common.Misc import *
import collections
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")
NvStorageHeaderSize = 28
VariableHeaderSize = 32
def StringArrayToList(StringArray):
StringArray = StringArray[1:-1]
StringArray = '[' + StringArray + ']'
return eval(StringArray)
def PackGUID(Guid):
GuidBuffer = pack('=LHHBBBBBBBB',
int(Guid[0], 16),
int(Guid[1], 16),
int(Guid[2], 16),
int(Guid[3][-4:-2], 16),
int(Guid[3][-2:], 16),
int(Guid[4][-12:-10], 16),
int(Guid[4][-10:-8], 16),
int(Guid[4][-8:-6], 16),
int(Guid[4][-6:-4], 16),
int(Guid[4][-4:-2], 16),
int(Guid[4][-2:], 16)
)
return GuidBuffer
class VariableMgr(object):
def __init__(self, DefaultStoreMap,SkuIdMap):
self.VarInfo = []
self.DefaultStoreMap = DefaultStoreMap
self.SkuIdMap = SkuIdMap
self.VpdRegionSize = 0
self.VpdRegionOffset = 0
self.NVHeaderBuff = None
self.VarDefaultBuff = None
self.VarDeltaBuff = None
def append_variable(self,uefi_var):
self.VarInfo.append(uefi_var)
def SetVpdRegionMaxSize(self,maxsize):
self.VpdRegionSize = maxsize
def SetVpdRegionOffset(self,vpdoffset):
self.VpdRegionOffset = vpdoffset
def PatchNVStoreDefaultMaxSize(self,maxsize):
if not self.NVHeaderBuff:
return ""
self.NVHeaderBuff = self.NVHeaderBuff[:8] + pack("=Q",maxsize)
default_var_bin = self.format_data(self.NVHeaderBuff + self.VarDefaultBuff + self.VarDeltaBuff)
value_str = "{"
default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]
value_str += ",".join(default_var_bin_strip)
value_str += "}"
return value_str
def combine_variable(self):
indexedvarinfo = collections.OrderedDict()
for item in self.VarInfo:
if (item.skuname,item.defaultstoragename, item.var_name,item.var_guid) not in indexedvarinfo:
indexedvarinfo[(item.skuname,item.defaultstoragename, item.var_name,item.var_guid) ] = []
indexedvarinfo[(item.skuname,item.defaultstoragename, item.var_name,item.var_guid)].append(item)
for key in indexedvarinfo:
sku_var_info_offset_list = indexedvarinfo[key]
if len(sku_var_info_offset_list) == 1:
continue
newvalue = {}
for item in sku_var_info_offset_list:
data_type = item.data_type
value_list = item.default_value.strip("{").strip("}").split(",")
if data_type in ["BOOLEAN","UINT8","UINT16","UINT32","UINT64"]:
if data_type == ["BOOLEAN","UINT8"]:
data_flag = "=B"
elif data_type == "UINT16":
data_flag = "=H"
elif data_type == "UINT32":
data_flag = "=L"
elif data_type == "UINT64":
data_flag = "=Q"
data = value_list[0]
value_list = []
for data_byte in pack(data_flag,int(data,16) if data.upper().startswith('0X') else int(data)):
value_list += [hex(unpack("B",data_byte)[0])]
newvalue[int(item.var_offset,16) if item.var_offset.upper().startswith("0X") else int(item.var_offset)] = value_list
try:
newvaluestr = "{" + ",".join(self.assemble_variable(newvalue)) +"}"
except:
EdkLogger.error("build", AUTOGEN_ERROR, "Variable offset conflict in PCDs: %s \n" % (" and ".join([item.pcdname for item in sku_var_info_offset_list])))
n = sku_var_info_offset_list[0]
indexedvarinfo[key] = [var_info(n.pcdindex,n.pcdname,n.defaultstoragename,n.skuname,n.var_name, n.var_guid, "0x00",n.var_attribute,newvaluestr , newvaluestr , "VOID*")]
self.VarInfo = [item[0] for item in indexedvarinfo.values()]
def assemble_variable(self, valuelist):
ordered_value = [valuelist[k] for k in sorted(valuelist.keys())]
ordered_offset = sorted(valuelist.keys())
var_value = []
num = 0
for offset in ordered_offset:
if offset < len(var_value):
raise
for _ in xrange(offset - len(var_value)):
var_value.append('0x00')
var_value += ordered_value[num]
num +=1
return var_value
def process_variable_data(self):
var_data = dict()
indexedvarinfo = collections.OrderedDict()
for item in self.VarInfo:
if item.pcdindex not in indexedvarinfo:
indexedvarinfo[item.pcdindex] = dict()
indexedvarinfo[item.pcdindex][(item.skuname,item.defaultstoragename)] = item
for index in indexedvarinfo:
sku_var_info = indexedvarinfo[index]
default_data_buffer = ""
others_data_buffer = ""
tail = None
default_sku_default = indexedvarinfo.get(index).get(("DEFAULT","STANDARD"))
if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:
var_max_len = max([len(var_item.default_value.split(",")) for var_item in sku_var_info.values()])
if len(default_sku_default.default_value.split(",")) < var_max_len:
tail = ",".join([ "0x00" for i in range(var_max_len-len(default_sku_default.default_value.split(",")))])
default_data_buffer = self.PACK_VARIABLES_DATA(default_sku_default.default_value,default_sku_default.data_type,tail)
default_data_array = ()
for item in default_data_buffer:
default_data_array += unpack("B",item)
if ("DEFAULT","STANDARD") not in var_data:
var_data[("DEFAULT","STANDARD")] = collections.OrderedDict()
var_data[("DEFAULT","STANDARD")][index] = (default_data_buffer,sku_var_info[("DEFAULT","STANDARD")])
for (skuid,defaultstoragename) in indexedvarinfo.get(index):
tail = None
if (skuid,defaultstoragename) == ("DEFAULT","STANDARD"):
continue
other_sku_other = indexedvarinfo.get(index).get((skuid,defaultstoragename))
if default_sku_default.data_type not in ["UINT8","UINT16","UINT32","UINT64","BOOLEAN"]:
if len(other_sku_other.default_value.split(",")) < var_max_len:
tail = ",".join([ "0x00" for i in range(var_max_len-len(other_sku_other.default_value.split(",")))])
others_data_buffer = self.PACK_VARIABLES_DATA(other_sku_other.default_value,other_sku_other.data_type,tail)
others_data_array = ()
for item in others_data_buffer:
others_data_array += unpack("B",item)
data_delta = self.calculate_delta(default_data_array, others_data_array)
if (skuid,defaultstoragename) not in var_data:
var_data[(skuid,defaultstoragename)] = collections.OrderedDict()
var_data[(skuid,defaultstoragename)][index] = (data_delta,sku_var_info[(skuid,defaultstoragename)])
return var_data
def new_process_varinfo(self):
self.combine_variable()
var_data = self.process_variable_data()
if not var_data:
return []
pcds_default_data = var_data.get(("DEFAULT","STANDARD"),{})
NvStoreDataBuffer = ""
var_data_offset = collections.OrderedDict()
offset = NvStorageHeaderSize
for default_data,default_info in pcds_default_data.values():
var_name_buffer = self.PACK_VARIABLE_NAME(default_info.var_name)
vendorguid = default_info.var_guid.split('-')
if default_info.var_attribute:
var_attr_value,_ = VariableAttributes.GetVarAttributes(default_info.var_attribute)
else:
var_attr_value = 0x07
DataBuffer = self.AlignData(var_name_buffer + default_data)
data_size = len(DataBuffer)
offset += VariableHeaderSize + len(default_info.var_name.split(","))
var_data_offset[default_info.pcdindex] = offset
offset += data_size - len(default_info.var_name.split(","))
var_header_buffer = self.PACK_VARIABLE_HEADER(var_attr_value, len(default_info.var_name.split(",")), len (default_data), vendorguid)
NvStoreDataBuffer += (var_header_buffer + DataBuffer)
variable_storage_header_buffer = self.PACK_VARIABLE_STORE_HEADER(len(NvStoreDataBuffer) + 28)
nv_default_part = self.AlignData(self.PACK_DEFAULT_DATA(0, 0, self.unpack_data(variable_storage_header_buffer+NvStoreDataBuffer)), 8)
data_delta_structure_buffer = ""
for skuname,defaultstore in var_data:
if (skuname,defaultstore) == ("DEFAULT","STANDARD"):
continue
pcds_sku_data = var_data.get((skuname,defaultstore))
delta_data_set = []
for pcdindex in pcds_sku_data:
offset = var_data_offset[pcdindex]
delta_data,_ = pcds_sku_data[pcdindex]
delta_data = [(item[0] + offset, item[1]) for item in delta_data]
delta_data_set.extend(delta_data)
data_delta_structure_buffer += self.AlignData(self.PACK_DELTA_DATA(skuname,defaultstore,delta_data_set), 8)
size = len(nv_default_part + data_delta_structure_buffer) + 16
maxsize = self.VpdRegionSize if self.VpdRegionSize else size
NV_Store_Default_Header = self.PACK_NV_STORE_DEFAULT_HEADER(size,maxsize)
self.NVHeaderBuff = NV_Store_Default_Header
self.VarDefaultBuff =nv_default_part
self.VarDeltaBuff = data_delta_structure_buffer
return self.format_data(NV_Store_Default_Header + nv_default_part + data_delta_structure_buffer)
def format_data(self,data):
return [hex(item) for item in self.unpack_data(data)]
def unpack_data(self,data):
final_data = ()
for item in data:
final_data += unpack("B",item)
return final_data
def calculate_delta(self, default, theother):
if len(default) - len(theother) != 0:
EdkLogger.error("build", FORMAT_INVALID, 'The variable data length is not the same for the same PCD.')
data_delta = []
for i in range(len(default)):
if default[i] != theother[i]:
data_delta.append((i,theother[i]))
return data_delta
def dump(self):
default_var_bin = self.new_process_varinfo()
if default_var_bin:
value_str = "{"
default_var_bin_strip = [ data.strip("""'""") for data in default_var_bin]
value_str += ",".join(default_var_bin_strip)
value_str += "}"
return value_str
return ""
def PACK_VARIABLE_STORE_HEADER(self,size):
#Signature: gEfiVariableGuid
Guid = "{ 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}"
Guid = GuidStructureStringToGuidString(Guid)
GuidBuffer = PackGUID(Guid.split('-'))
SizeBuffer = pack('=L',size)
FormatBuffer = pack('=B',0x5A)
StateBuffer = pack('=B',0xFE)
reservedBuffer = pack('=H',0)
reservedBuffer += pack('=L',0)
return GuidBuffer + SizeBuffer + FormatBuffer + StateBuffer + reservedBuffer
def PACK_NV_STORE_DEFAULT_HEADER(self,size,maxsize):
Signature = pack('=B',ord('N'))
Signature += pack("=B",ord('S'))
Signature += pack("=B",ord('D'))
Signature += pack("=B",ord('B'))
SizeBuffer = pack("=L",size)
MaxSizeBuffer = pack("=Q",maxsize)
return Signature + SizeBuffer + MaxSizeBuffer
def PACK_VARIABLE_HEADER(self,attribute,namesize,datasize,vendorguid):
Buffer = pack('=H',0x55AA) # pack StartID
Buffer += pack('=B',0x3F) # pack State
Buffer += pack('=B',0) # pack reserved
Buffer += pack('=L',attribute)
Buffer += pack('=L',namesize)
Buffer += pack('=L',datasize)
Buffer += PackGUID(vendorguid)
return Buffer
def PACK_VARIABLES_DATA(self, var_value,data_type, tail = None):
Buffer = ""
data_len = 0
if data_type == "VOID*":
for value_char in var_value.strip("{").strip("}").split(","):
Buffer += pack("=B",int(value_char,16))
data_len += len(var_value.split(","))
if tail:
for value_char in tail.split(","):
Buffer += pack("=B",int(value_char,16))
data_len += len(tail.split(","))
elif data_type == "BOOLEAN":
Buffer += pack("=B",True) if var_value.upper() == "TRUE" else pack("=B",False)
data_len += 1
elif data_type == "UINT8":
Buffer += pack("=B",GetIntegerValue(var_value))
data_len += 1
elif data_type == "UINT16":
Buffer += pack("=H",GetIntegerValue(var_value))
data_len += 2
elif data_type == "UINT32":
Buffer += pack("=L",GetIntegerValue(var_value))
data_len += 4
elif data_type == "UINT64":
Buffer += pack("=Q",GetIntegerValue(var_value))
data_len += 8
return Buffer
def PACK_DEFAULT_DATA(self, defaultstoragename,skuid,var_value):
Buffer = ""
Buffer += pack("=L",4+8+8)
Buffer += pack("=Q",int(skuid))
Buffer += pack("=Q",int(defaultstoragename))
for item in var_value:
Buffer += pack("=B",item)
Buffer = pack("=L",len(Buffer)+4) + Buffer
return Buffer
def GetSkuId(self,skuname):
if skuname not in self.SkuIdMap:
return None
return self.SkuIdMap.get(skuname)[0]
def GetDefaultStoreId(self,dname):
if dname not in self.DefaultStoreMap:
return None
return self.DefaultStoreMap.get(dname)[0]
def PACK_DELTA_DATA(self,skuname,defaultstoragename,delta_list):
skuid = self.GetSkuId(skuname)
defaultstorageid = self.GetDefaultStoreId(defaultstoragename)
Buffer = ""
Buffer += pack("=L",4+8+8)
Buffer += pack("=Q",int(skuid))
Buffer += pack("=Q",int(defaultstorageid))
for (delta_offset,value) in delta_list:
Buffer += pack("=L",delta_offset)
Buffer = Buffer[:-1] + pack("=B",value)
Buffer = pack("=L",len(Buffer) + 4) + Buffer
return Buffer
def AlignData(self,data, align = 4):
mybuffer = data
if (len(data) % align) > 0:
for i in range(align - (len(data) % align)):
mybuffer += pack("=B",0)
return mybuffer
def PACK_VARIABLE_NAME(self, var_name):
Buffer = ""
for name_char in var_name.strip("{").strip("}").split(","):
Buffer += pack("=B",int(name_char,16))
return Buffer
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