diff options
| author | Maurice Ma <maurice.ma@intel.com> | 2016-05-27 13:26:28 -0700 |
|---|---|---|
| committer | Maurice Ma <maurice.ma@intel.com> | 2016-06-01 17:26:11 -0700 |
| commit | c6ca1c011b154d968be4462ed4a84b815dfea2c6 (patch) | |
| tree | 5932735ec944bfec933eb61c35c392e4b4085986 /IntelFsp2Pkg | |
| parent | 190895683aea889336367ea2ae4371abe9a87a19 (diff) | |
| download | edk2-c6ca1c011b154d968be4462ed4a84b815dfea2c6.tar.gz edk2-c6ca1c011b154d968be4462ed4a84b815dfea2c6.tar.bz2 edk2-c6ca1c011b154d968be4462ed4a84b815dfea2c6.zip | |
IntelFsp2Pkg/Tools: Add FSP rebasing function into SplitFspBin tool
Enhanced the SplitFspBin tool in IntelFsp2Pkg to support:
- Rebase FSP 2.0 components to a different base address
- Display FSP 2.0 information header
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Diffstat (limited to 'IntelFsp2Pkg')
| -rw-r--r-- | IntelFsp2Pkg/Tools/SplitFspBin.py | 824 |
1 files changed, 570 insertions, 254 deletions
diff --git a/IntelFsp2Pkg/Tools/SplitFspBin.py b/IntelFsp2Pkg/Tools/SplitFspBin.py index cc2b87ecc1..ef759f0dc4 100644 --- a/IntelFsp2Pkg/Tools/SplitFspBin.py +++ b/IntelFsp2Pkg/Tools/SplitFspBin.py @@ -20,18 +20,26 @@ import argparse from ctypes import *
"""
-This utility supports some operations for Intel FSP image.
+This utility supports some operations for Intel FSP 2.0 image.
It supports:
- - Split a FSP 2.0 compatibale image into individual FSP-T/M/S/C
- and generate the mapping header file.
+ - Display FSP 2.0 information header
+ - Split FSP 2.0 image into individual FSP-T/M/S/O component
+ - Rebase FSP 2.0 components to a different base address
+ - Generate FSP mapping C header file
+"""
+
+CopyRightHeaderFile = """/*
+ *
+ * Automatically generated file; DO NOT EDIT.
+ * FSP mapping file
+ *
+ */
"""
class c_uint24(Structure):
"""Little-Endian 24-bit Unsigned Integer"""
_pack_ = 1
- _fields_ = [
- ('Data', (c_uint8 * 3))
- ]
+ _fields_ = [('Data', (c_uint8 * 3))]
def __init__(self, val=0):
self.set_value(val)
@@ -39,324 +47,632 @@ class c_uint24(Structure): def __str__(self, indent=0):
return '0x%.6x' % self.value
- def get_value(self):
- return (
- (self.Data[0] ) +
- (self.Data[1] << 8) +
- (self.Data[2] << 16)
- )
+ def __int__(self):
+ return self.get_value()
def set_value(self, val):
- self.Data[0] = (val ) & 0xff
- self.Data[1] = (val >> 8) & 0xff
- self.Data[2] = (val >> 16) & 0xff
+ self.Data[0:3] = Val2Bytes(val, 3)
+
+ def get_value(self):
+ return Bytes2Val(self.Data[0:3])
value = property(get_value, set_value)
class EFI_FIRMWARE_VOLUME_HEADER(Structure):
_fields_ = [
- ('ZeroVector', ARRAY(c_uint8, 16)),
- ('FileSystemGuid', ARRAY(c_char, 16)),
- ('FvLength', c_uint64),
- ('Signature', c_uint32),
- ('Attributes', c_uint32),
- ('HeaderLength', c_uint16),
- ('Checksum', c_uint16),
- ('ExtHeaderOffset', c_uint16),
- ('Reserved', c_uint8),
- ('Revision', c_uint8)
+ ('ZeroVector', ARRAY(c_uint8, 16)),
+ ('FileSystemGuid', ARRAY(c_uint8, 16)),
+ ('FvLength', c_uint64),
+ ('Signature', ARRAY(c_char, 4)),
+ ('Attributes', c_uint32),
+ ('HeaderLength', c_uint16),
+ ('Checksum', c_uint16),
+ ('ExtHeaderOffset', c_uint16),
+ ('Reserved', c_uint8),
+ ('Revision', c_uint8)
]
class EFI_FIRMWARE_VOLUME_EXT_HEADER(Structure):
_fields_ = [
- ('FvName', ARRAY(c_char, 16)),
- ('ExtHeaderSize', c_uint32)
+ ('FvName', ARRAY(c_uint8, 16)),
+ ('ExtHeaderSize', c_uint32)
]
class EFI_FFS_INTEGRITY_CHECK(Structure):
_fields_ = [
- ('Header', c_uint8),
- ('File', c_uint8)
+ ('Header', c_uint8),
+ ('File', c_uint8)
]
class EFI_FFS_FILE_HEADER(Structure):
_fields_ = [
- ('Name', ARRAY(c_char, 16)),
- ('IntegrityCheck', EFI_FFS_INTEGRITY_CHECK),
- ('Type', c_uint8),
- ('Attributes', c_uint8),
- ('Size', c_uint24),
- ('State', c_uint8)
+ ('Name', ARRAY(c_uint8, 16)),
+ ('IntegrityCheck', EFI_FFS_INTEGRITY_CHECK),
+ ('Type', c_uint8),
+ ('Attributes', c_uint8),
+ ('Size', c_uint24),
+ ('State', c_uint8)
]
class EFI_COMMON_SECTION_HEADER(Structure):
_fields_ = [
- ('Size', c_uint24),
- ('Type', c_uint8)
+ ('Size', c_uint24),
+ ('Type', c_uint8)
+ ]
+
+class FSP_COMMON_HEADER(Structure):
+ _fields_ = [
+ ('Signature', ARRAY(c_char, 4)),
+ ('HeaderLength', c_uint32)
]
class FSP_INFORMATION_HEADER(Structure):
_fields_ = [
- ('Signature', c_uint32),
- ('HeaderLength', c_uint32),
- ('Reserved1', ARRAY(c_uint8, 3)),
- ('HeaderRevision', c_uint8),
- ('ImageRevision', c_uint32),
- ('ImageId', c_uint64),
- ('ImageSize', c_uint32),
- ('ImageBase', c_uint32),
- ('ImageAttribute', c_uint32),
- ('CfgRegionOffset', c_uint32),
- ('CfgRegionSize', c_uint32),
- ('ApiEntryNum', c_uint32),
- ('NemInitEntry', c_uint32),
- ('FspInitEntry', c_uint32),
- ('NotifyPhaseEntry', c_uint32),
- ('FspMemoryInitEntry', c_uint32),
- ('TempRamExitEntry', c_uint32),
- ('FspSiliconInitEntry', c_uint32)
+ ('Signature', ARRAY(c_char, 4)),
+ ('HeaderLength', c_uint32),
+ ('Reserved1', c_uint16),
+ ('SpecVersion', c_uint8),
+ ('HeaderRevision', c_uint8),
+ ('ImageRevision', c_uint32),
+ ('ImageId', ARRAY(c_char, 8)),
+ ('ImageSize', c_uint32),
+ ('ImageBase', c_uint32),
+ ('ImageAttribute', c_uint16),
+ ('ComponentAttribute', c_uint16),
+ ('CfgRegionOffset', c_uint32),
+ ('CfgRegionSize', c_uint32),
+ ('Reserved2', c_uint32),
+ ('TempRamInitEntryOffset', c_uint32),
+ ('Reserved3', c_uint32),
+ ('NotifyPhaseEntryOffset', c_uint32),
+ ('FspMemoryInitEntryOffset', c_uint32),
+ ('TempRamExitEntryOffset', c_uint32),
+ ('FspSiliconInitEntryOffset', c_uint32)
]
-class FspFv:
- HeaderFile = """/*
- *
- * Automatically generated file; DO NOT EDIT.
- * FSP mapping file
- *
- */
-"""
- FspNameDict = {
- "0" : "-C.Fv",
- "1" : "-T.Fv",
- "2" : "-M.Fv",
- "3" : "-S.Fv",
- }
-
- def __init__(self, FvBin):
- self.FspFv = {}
- self.FvList = []
- self.FspBin = FvBin
- hfsp = open (self.FspBin, 'r+b')
- self.FspDat = bytearray(hfsp.read())
- hfsp.close()
+class FSP_PATCH_TABLE(Structure):
+ _fields_ = [
+ ('Signature', ARRAY(c_char, 4)),
+ ('HeaderLength', c_uint16),
+ ('HeaderRevision', c_uint8),
+ ('Reserved', c_uint8),
+ ('PatchEntryNum', c_uint32)
+ ]
+
+class EFI_IMAGE_DATA_DIRECTORY(Structure):
+ _fields_ = [
+ ('VirtualAddress', c_uint32),
+ ('Size', c_uint32)
+ ]
+
+class EFI_TE_IMAGE_HEADER(Structure):
+ _fields_ = [
+ ('Signature', ARRAY(c_char, 2)),
+ ('Machine', c_uint16),
+ ('NumberOfSections', c_uint8),
+ ('Subsystem', c_uint8),
+ ('StrippedSize', c_uint16),
+ ('AddressOfEntryPoint', c_uint32),
+ ('BaseOfCode', c_uint32),
+ ('ImageBase', c_uint64),
+ ('DataDirectoryBaseReloc', EFI_IMAGE_DATA_DIRECTORY),
+ ('DataDirectoryDebug', EFI_IMAGE_DATA_DIRECTORY)
+ ]
+
+class PE_RELOC_BLOCK_HEADER(Structure):
+ _fields_ = [
+ ('PageRVA', c_uint32),
+ ('BlockSize', c_uint32)
+ ]
- def OutputStruct (self, obj, indent = 0):
- max_key_len = 20
- pstr = (' ' * indent + '{0:<%d} = {1}\n') % max_key_len
- if indent:
- s = ''
+class EFI_FV_FILETYPE:
+ ALL = 0x00
+ RAW = 0x01
+ FREEFORM = 0x02
+ SECURITY_CORE = 0x03
+ PEI_CORE = 0x04
+ DXE_CORE = 0x05
+ PEIM = 0x06
+ DRIVER = 0x07
+ COMBINED_PEIM_DRIVER = 0x08
+ APPLICATION = 0x09
+ SMM = 0x0a
+ FIRMWARE_VOLUME_IMAGE = 0x0b
+ COMBINED_SMM_DXE = 0x0c
+ SMM_CORE = 0x0d
+ OEM_MIN = 0xc0
+ OEM_MAX = 0xdf
+ DEBUG_MIN = 0xe0
+ DEBUG_MAX = 0xef
+ FFS_MIN = 0xf0
+ FFS_MAX = 0xff
+ FFS_PAD = 0xf0
+
+class EFI_SECTION_TYPE:
+ """Enumeration of all valid firmware file section types."""
+ ALL = 0x00
+ COMPRESSION = 0x01
+ GUID_DEFINED = 0x02
+ DISPOSABLE = 0x03
+ PE32 = 0x10
+ PIC = 0x11
+ TE = 0x12
+ DXE_DEPEX = 0x13
+ VERSION = 0x14
+ USER_INTERFACE = 0x15
+ COMPATIBILITY16 = 0x16
+ FIRMWARE_VOLUME_IMAGE = 0x17
+ FREEFORM_SUBTYPE_GUID = 0x18
+ RAW = 0x19
+ PEI_DEPEX = 0x1b
+ SMM_DEPEX = 0x1c
+
+def AlignPtr (offset, alignment = 8):
+ return (offset + alignment - 1) & ~(alignment - 1)
+
+def Bytes2Val (bytes):
+ return reduce(lambda x,y: (x<<8)|y, bytes[::-1] )
+
+def Val2Bytes (value, blen):
+ return [(value>>(i*8) & 0xff) for i in range(blen)]
+
+def OutputStruct (obj, indent = 0, plen = 0):
+ if indent:
+ body = ''
+ else:
+ body = (' ' * indent + '<%s>:\n') % obj.__class__.__name__
+
+ if plen == 0:
+ plen = sizeof(obj)
+
+ max_key_len = 26
+ pstr = (' ' * (indent + 1) + '{0:<%d} = {1}\n') % max_key_len
+
+ for field in obj._fields_:
+ key = field[0]
+ val = getattr(obj, key)
+ rep = ''
+ if not isinstance(val, c_uint24) and isinstance(val, Structure):
+ body += pstr.format(key, val.__class__.__name__)
+ body += OutputStruct (val, indent + 1)
+ plen -= sizeof(val)
else:
- s = (' ' * indent + '<%s>:\n') % obj.__class__.__name__
- for field in obj._fields_:
- key = field[0]
- val = getattr(obj, key)
- rep = ''
-
- if not isinstance(val, c_uint24) and isinstance(val, Structure):
- s += pstr.format(key, val.__class__.__name__)
- s += self.OutputStruct (val, indent + 1)
- else:
- if type(val) in (int, long):
- rep = hex(val)
- elif isinstance(val, str) and (len(val) == 16):
- rep = str(uuid.UUID(bytes = val))
- elif isinstance(val, c_uint24):
- rep = hex(val.get_value())
- elif 'c_ubyte_Array' in str(type(val)):
- rep = str(list(bytearray(val)))
+ if type(val) is str:
+ rep = "0x%X ('%s')" % (Bytes2Val(bytearray(val)), val)
+ elif type(val) in (int, long):
+ rep = '0x%X' % val
+ elif isinstance(val, c_uint24):
+ rep = '0x%X' % val.get_value()
+ elif 'c_ubyte_Array' in str(type(val)):
+ if sizeof(val) == 16:
+ rep = str(uuid.UUID(bytes = str(bytearray(val)))).upper()
else:
- rep = str(val)
- s += pstr.format(key, rep)
- return s
-
- def PrintFv (self):
- print ("FV LIST:")
- idx = 0
- for (fvh, fvhe, offset) in self.FvList:
- guid = uuid.UUID(bytes = fvhe.FvName)
- print ("FV%d FV GUID:%s Offset:0x%08X Length:0x%08X" % (idx, str(guid), offset, fvh.FvLength))
- idx = idx + 1
- print ("\nFSP LIST:")
- for fsp in self.FspFv:
- print "FSP%s contains FV%s" % (fsp, str(self.FspFv[fsp][1]))
- print "\nFSP%s Info Header:" % fsp
- fih = self.FspFv[fsp][0]
-
- def AlaignPtr (self, offset, alignment = 8):
- return (offset + alignment - 1) & ~(alignment - 1)
-
- def GetFspInfoHdr (self, fvh, fvhe, fvoffset):
- if fvhe:
- offset = fvh.ExtHeaderOffset + fvhe.ExtHeaderSize
+ res = ['0x%02X'%i for i in bytearray(val)]
+ rep = '[%s]' % (','.join(res))
+ else:
+ rep = str(val)
+ plen -= sizeof(field[1])
+ body += pstr.format(key, rep)
+ if plen <= 0:
+ break
+ return body
+
+class Section:
+ def __init__(self, offset, secdata):
+ self.SecHdr = EFI_COMMON_SECTION_HEADER.from_buffer (secdata, 0)
+ self.SecData = secdata[0:int(self.SecHdr.Size)]
+ self.Offset = offset
+
+class FirmwareFile:
+ def __init__(self, offset, filedata):
+ self.FfsHdr = EFI_FFS_FILE_HEADER.from_buffer (filedata, 0)
+ self.FfsData = filedata[0:int(self.FfsHdr.Size)]
+ self.Offset = offset
+ self.SecList = []
+
+ def ParseFfs(self):
+ ffssize = len(self.FfsData)
+ offset = sizeof(self.FfsHdr)
+ if self.FfsHdr.Name != '\xff' * 16:
+ while offset < ffssize:
+ sechdr = EFI_COMMON_SECTION_HEADER.from_buffer (self.FfsData, offset)
+ sec = Section (offset, self.FfsData[offset:offset + int(sechdr.Size)])
+ self.SecList.append(sec)
+ offset += int(sechdr.Size)
+ offset = AlignPtr(offset, 4)
+
+class FirmwareVolume:
+ def __init__(self, offset, fvdata):
+ self.FvHdr = EFI_FIRMWARE_VOLUME_HEADER.from_buffer (fvdata, 0)
+ self.FvData = fvdata[0 : self.FvHdr.FvLength]
+ self.Offset = offset
+ if self.FvHdr.ExtHeaderOffset > 0:
+ self.FvExtHdr = EFI_FIRMWARE_VOLUME_EXT_HEADER.from_buffer (self.FvData, self.FvHdr.ExtHeaderOffset)
else:
- offset = fvh.HeaderLength
- offset = self.AlaignPtr(offset)
-
- # Now it should be 1st FFS
- ffs = EFI_FFS_FILE_HEADER.from_buffer (self.FspDat, offset)
- offset += sizeof(ffs)
- offset = self.AlaignPtr(offset)
-
- # Now it should be 1st Section
- sec = EFI_COMMON_SECTION_HEADER.from_buffer (self.FspDat, offset)
- offset += sizeof(sec)
-
- # Now it should be FSP_INFO_HEADER
- offset += fvoffset
- fih = FSP_INFORMATION_HEADER.from_buffer (self.FspDat, offset)
- if 'FSPH' != bytearray.fromhex('%08X' % fih.Signature)[::-1]:
- return None
-
- return fih
-
- def GetFvHdr (self, offset):
- fvh = EFI_FIRMWARE_VOLUME_HEADER.from_buffer (self.FspDat, offset)
- if '_FVH' != bytearray.fromhex('%08X' % fvh.Signature)[::-1]:
- return None, None
- if fvh.ExtHeaderOffset > 0:
- offset += fvh.ExtHeaderOffset
- fvhe = EFI_FIRMWARE_VOLUME_EXT_HEADER.from_buffer (self.FspDat, offset)
+ self.FvExtHdr = None
+ self.FfsList = []
+
+ def ParseFv(self):
+ fvsize = len(self.FvData)
+ if self.FvExtHdr:
+ offset = self.FvHdr.ExtHeaderOffset + self.FvExtHdr.ExtHeaderSize
else:
- fvhe = None
- return fvh, fvhe
+ offset = self.FvHdr.HeaderLength
+ offset = AlignPtr(offset)
+ while offset < fvsize:
+ ffshdr = EFI_FFS_FILE_HEADER.from_buffer (self.FvData, offset)
+ if (ffshdr.Name == '\xff' * 16) and (int(ffshdr.Size) == 0xFFFFFF):
+ offset = fvsize
+ else:
+ ffs = FirmwareFile (offset, self.FvData[offset:offset + int(ffshdr.Size)])
+ ffs.ParseFfs()
+ self.FfsList.append(ffs)
+ offset += int(ffshdr.Size)
+ offset = AlignPtr(offset)
+
+class FspImage:
+ def __init__(self, offset, fih, fihoff, patch):
+ self.Fih = fih
+ self.FihOffset = fihoff
+ self.Offset = offset
+ self.FvIdxList = []
+ self.Type = "XTMSXXXXOXXXXXXX"[(fih.ComponentAttribute >> 12) & 0x0F]
+ self.PatchList = patch
+ self.PatchList.append(fihoff + 0x1C)
+
+ def AppendFv(self, FvIdx):
+ self.FvIdxList.append(FvIdx)
+
+ def Patch(self, delta, fdbin):
+ count = 0
+ applied = 0
+ for idx, patch in enumerate(self.PatchList):
+ ptype = (patch>>24) & 0x0F
+ if ptype not in [0x00, 0x0F]:
+ raise Exception('ERROR: Invalid patch type %d !' % ptype)
+ if patch & 0x80000000:
+ patch = self.Fih.ImageSize - (0x1000000 - (patch & 0xFFFFFF))
+ else:
+ patch = patch & 0xFFFFFF
+ if (patch < self.Fih.ImageSize) and (patch + sizeof(c_uint32) <= self.Fih.ImageSize):
+ offset = patch + self.Offset
+ value = Bytes2Val(fdbin[offset:offset+sizeof(c_uint32)])
+ value += delta
+ fdbin[offset:offset+sizeof(c_uint32)] = Val2Bytes(value, sizeof(c_uint32))
+ applied += 1
+ count += 1
+ # Don't count the FSP base address patch entry appended at the end
+ if count != 0:
+ count -= 1
+ applied -= 1
+ return (count, applied)
+
+class FirmwareDevice:
+ def __init__(self, offset, fdfile):
+ self.FvList = []
+ self.FspList = []
+ self.FdFile = fdfile
+ self.Offset = 0
+ hfsp = open (self.FdFile, 'rb')
+ self.FdData = bytearray(hfsp.read())
+ hfsp.close()
- def GetFvData(self, idx):
- (fvh, fvhe, offset) = self.FvList[idx]
- return self.FspDat[offset:offset+fvh.FvLength]
+ def ParseFd(self):
+ offset = 0
+ fdsize = len(self.FdData)
+ self.FvList = []
+ while offset < fdsize:
+ fvh = EFI_FIRMWARE_VOLUME_HEADER.from_buffer (self.FdData, offset)
+ if '_FVH' != fvh.Signature:
+ raise Exception("ERROR: Invalid FV header !")
+ fv = FirmwareVolume (offset, self.FdData[offset:offset + fvh.FvLength])
+ fv.ParseFv ()
+ self.FvList.append(fv)
+ offset += fv.FvHdr.FvLength
def CheckFsp (self):
- if len(self.FspFv) == 0:
+ if len(self.FspList) == 0:
return
fih = None
- for fv in self.FspFv:
+ for fsp in self.FspList:
+ if fsp.Fih.HeaderRevision < 3:
+ raise Exception("ERROR: FSP 1.x is not supported by this tool !")
if not fih:
- fih = self.FspFv[fv][0]
+ fih = fsp.Fih
else:
- newfih = self.FspFv[fv][0]
+ newfih = fsp.Fih
if (newfih.ImageId != fih.ImageId) or (newfih.ImageRevision != fih.ImageRevision):
- raise Exception("Inconsistent FSP ImageId or ImageRevision detected !")
- return
+ raise Exception("ERROR: Inconsistent FSP ImageId or ImageRevision detected !")
+
+ def ParseFsp(self):
+ flen = 0
+ for idx, fv in enumerate(self.FvList):
+ # Check if this FV contains FSP header
+ if flen == 0:
+ if len(fv.FfsList) == 0:
+ continue
+ ffs = fv.FfsList[0]
+ if len(ffs.SecList) == 0:
+ continue
+ sec = ffs.SecList[0]
+ if sec.SecHdr.Type != EFI_SECTION_TYPE.RAW:
+ continue
+ fihoffset = ffs.Offset + sec.Offset + sizeof(sec.SecHdr)
+ fspoffset = fv.Offset
+ offset = fspoffset + fihoffset
+ fih = FSP_INFORMATION_HEADER.from_buffer (self.FdData, offset)
+ if 'FSPH' != fih.Signature:
+ continue
+
+ offset += fih.HeaderLength
+ offset = AlignPtr(offset, 4)
+ plist = []
+ while True:
+ fch = FSP_COMMON_HEADER.from_buffer (self.FdData, offset)
+ if 'FSPP' != fch.Signature:
+ offset += fch.HeaderLength
+ offset = AlignPtr(offset, 4)
+ else:
+ fspp = FSP_PATCH_TABLE.from_buffer (self.FdData, offset)
+ offset += sizeof(fspp)
+ pdata = (c_uint32 * fspp.PatchEntryNum).from_buffer(self.FdData, offset)
+ plist = list(pdata)
+ break
+
+ fsp = FspImage (fspoffset, fih, fihoffset, plist)
+ fsp.AppendFv (idx)
+ self.FspList.append(fsp)
+ flen = fsp.Fih.ImageSize - fv.FvHdr.FvLength
+ else:
+ fsp.AppendFv (idx)
+ flen -= fv.FvHdr.FvLength
+ if flen < 0:
+ raise Exception("ERROR: Incorrect FV size in image !")
+ self.CheckFsp ()
+
+class TeImage:
+ def __init__(self, offset, tedata):
+ self.Offset = offset
+ self.TeHdr = EFI_TE_IMAGE_HEADER.from_buffer (tedata, 0)
+ self.TeData = tedata
+ self.RelocList = []
+
+ def ParseReloc(self):
+ rsize = self.TeHdr.DataDirectoryBaseReloc.Size
+ roffset = sizeof(self.TeHdr) - self.TeHdr.StrippedSize + self.TeHdr.DataDirectoryBaseReloc.VirtualAddress
+ alignment = 4
+ offset = roffset
+ while offset < roffset + rsize:
+ offset = AlignPtr(offset, 4)
+ blkhdr = PE_RELOC_BLOCK_HEADER.from_buffer(self.TeData, offset)
+ offset += sizeof(blkhdr)
+ # Read relocation type,offset pairs
+ rlen = blkhdr.BlockSize - sizeof(PE_RELOC_BLOCK_HEADER)
+ rnum = rlen/sizeof(c_uint16)
+ rdata = (c_uint16 * rnum).from_buffer(self.TeData, offset)
+ for each in rdata:
+ roff = each & 0xfff
+ rtype = each >> 12
+ if rtype == 0: # IMAGE_REL_BASED.ABSOLUTE:
+ continue
+ if rtype != 3: # IMAGE_REL_BASED_HIGHLOW
+ raise Exception("ERROR: Unsupported relocation type %d!" % rtype)
+ # Calculate the offset of the relocation
+ aoff = sizeof(self.TeHdr) - self.TeHdr.StrippedSize + blkhdr.PageRVA + roff
+ self.RelocList.append((rtype, aoff))
+ offset += sizeof(rdata)
+
+ def Rebase(self, delta, fdbin):
+ count = 0
+ if delta == 0:
+ return count
+
+ for (rtype, roff) in self.RelocList:
+ if rtype == 0x03: # HIGHLOW
+ offset = roff + self.Offset
+ value = Bytes2Val(fdbin[offset:offset+sizeof(c_uint32)])
+ value += delta
+ fdbin[offset:offset+sizeof(c_uint32)] = Val2Bytes(value, sizeof(c_uint32))
+ count += 1
+ else:
+ raise Exception('ERROR: Unknown relocation type %d !' % rtype)
+
+ tehdr = self.TeHdr
+ tehdr.ImageBase += delta
+ offset = self.Offset
+ fdbin[offset:offset+sizeof(tehdr)] = bytearray(tehdr)
+
+ return count
- def WriteFsp(self, dir, name):
+def ShowFspInfo (fspfile):
+ fd = FirmwareDevice(0, fspfile)
+ fd.ParseFd ()
+ fd.ParseFsp ()
+
+ print ("\nFound the following %d Firmware Volumes in FSP binary:" % (len(fd.FvList)))
+ for idx, fv in enumerate(fd.FvList):
+ name = fv.FvExtHdr.FvName
if not name:
- name = self.FspBin
- fspname, ext = os.path.splitext(os.path.basename(name))
- for fv in self.FspFv:
- filename = os.path.join(dir, fspname + fv + ext)
- hfsp = open(filename, 'w+b')
- for fvidx in self.FspFv[fv][1]:
- hfsp.write (self.GetFvData(fvidx))
- hfsp.close()
-
- def WriteMap(self, dir, hfile):
- if not hfile:
- hfile = os.path.splitext(os.path.basename(self.FspBin))[0] + '.h'
- fspname, ext = os.path.splitext(os.path.basename(hfile))
- filename = os.path.join(dir, fspname + ext)
- hfsp = open(filename, 'w')
- hfsp.write ('%s\n\n' % self.HeaderFile)
-
- firstfv = True
- for fsp in self.FspFv:
- fih = self.FspFv[fsp][0]
- fvs = self.FspFv[fsp][1]
- if firstfv:
- IdStr = str(bytearray.fromhex('%016X' % fih.ImageId)[::-1])
- hfsp.write("#define FSP_IMAGE_ID 0x%016X /* '%s' */\n" % (fih.ImageId, IdStr))
- hfsp.write("#define FSP_IMAGE_REV 0x%08X \n\n" % fih.ImageRevision)
- firstfv = False
- hfsp.write ('#define FSP%s_BASE 0x%08X\n' % (fsp, fih.ImageBase))
- hfsp.write ('#define FSP%s_OFFSET 0x%08X\n' % (fsp, self.FvList[fvs[0]][-1]))
- hfsp.write ('#define FSP%s_LENGTH 0x%08X\n\n' % (fsp, fih.ImageSize))
+ name = '\xff' * 16
+ else:
+ name = str(bytearray(name))
+ guid = uuid.UUID(bytes = name)
+ print ("FV%d:" % idx)
+ print (" GUID : %s" % str(guid).upper())
+ print (" Offset : 0x%08X" % fv.Offset)
+ print (" Length : 0x%08X" % fv.FvHdr.FvLength)
+ print ("\n")
+
+ for fsp in fd.FspList:
+ fvlist = map(lambda x : 'FV%d' % x, fsp.FvIdxList)
+ print ("FSP_%s contains %s" % (fsp.Type, ','.join(fvlist)))
+ print ("%s" % (OutputStruct(fsp.Fih, 0, fsp.Fih.HeaderLength)))
+
+def GenFspHdr (fspfile, outdir, hfile):
+ fd = FirmwareDevice(0, fspfile)
+ fd.ParseFd ()
+ fd.ParseFsp ()
+
+ if not hfile:
+ hfile = os.path.splitext(os.path.basename(fspfile))[0] + '.h'
+ fspname, ext = os.path.splitext(os.path.basename(hfile))
+ filename = os.path.join(outdir, fspname + ext)
+ hfsp = open(filename, 'w')
+ hfsp.write ('%s\n\n' % CopyRightHeaderFile)
+
+ firstfv = True
+ for fsp in fd.FspList:
+ fih = fsp.Fih
+ if firstfv:
+ hfsp.write("#define FSP_IMAGE_ID 0x%016X /* '%s' */\n" % (Bytes2Val(bytearray(fih.ImageId)), fih.ImageId))
+ hfsp.write("#define FSP_IMAGE_REV 0x%08X \n\n" % fih.ImageRevision)
+ firstfv = False
+ fv = fd.FvList[fsp.FvIdxList[0]]
+ hfsp.write ('#define FSP%s_BASE 0x%08X\n' % (fsp.Type, fih.ImageBase))
+ hfsp.write ('#define FSP%s_OFFSET 0x%08X\n' % (fsp.Type, fv.Offset))
+ hfsp.write ('#define FSP%s_LENGTH 0x%08X\n\n' % (fsp.Type, fih.ImageSize))
+
+ hfsp.close()
+
+def SplitFspBin (fspfile, outdir, nametemplate):
+ fd = FirmwareDevice(0, fspfile)
+ fd.ParseFd ()
+ fd.ParseFsp ()
+
+ for fsp in fd.FspList:
+ ftype = fsp.Type
+ if not nametemplate:
+ nametemplate = fspfile
+ fspname, ext = os.path.splitext(os.path.basename(nametemplate))
+ filename = os.path.join(outdir, fspname + '_' + fsp.Type + ext)
+ hfsp = open(filename, 'wb')
+ print ("Ceate FSP component file '%s'" % filename)
+ for fvidx in fsp.FvIdxList:
+ fv = fd.FvList[fvidx]
+ hfsp.write(fv.FvData)
hfsp.close()
- def ParseFsp (self):
- self.FspFv = {}
- flen = 0
- for (fvh, fvhe, offset) in self.FvList:
- fih = self.GetFspInfoHdr (fvh, fvhe, offset)
- if fih:
- if flen != 0:
- raise Exception("Incorrect FV size in image !")
- ftype = str((fih.ImageAttribute >> 28) & 0xF)
- if ftype not in self.FspNameDict:
- raise Exception("Unknown Attribute in image !")
- fname = self.FspNameDict[str(ftype)]
- if fname in self.FspFv:
- raise Exception("Multiple '%s' in image !" % fname)
- self.FspFv[fname] = (copy.deepcopy(fih), [])
- flen = fih.ImageSize
- if flen > 0:
- flen = flen - fvh.FvLength
- if flen < 0:
- raise Exception("Incorrect FV size in image !")
- self.FspFv[fname][1].append(self.FvList.index((fvh, fvhe, offset)))
+def RebaseFspBin (FspBinary, FspComponent, FspBase, OutputDir, OutputFile):
+ fd = FirmwareDevice(0, FspBinary)
+ fd.ParseFd ()
+ fd.ParseFsp ()
- def AddFv(self, offset):
- fvh, fvhe = self.GetFvHdr (offset)
- if fvh is None:
- raise Exception('FV signature is not valid !')
- fvitem = (copy.deepcopy(fvh), copy.deepcopy(fvhe), offset)
- self.FvList.append(fvitem)
- return fvh.FvLength
+ numcomp = len(FspComponent)
+ baselist = FspBase
+ if numcomp != len(baselist):
+ print "ERROR: Required number of base does not match number of FSP component !"
+ return
- def ParseFv(self):
- offset = 0
- while (offset < len(self.FspDat)):
- fv_len = self.AddFv (offset)
- offset += fv_len
-
-def GenFspHdr (fspfile, outdir, hfile, show):
- fsp_fv = FspFv(fspfile)
- fsp_fv.ParseFv()
- fsp_fv.ParseFsp()
- fsp_fv.CheckFsp()
- if show:
- fsp_fv.PrintFv()
- fsp_fv.WriteMap(outdir, hfile)
-
-def SplitFspBin (fspfile, outdir, nametemplate, show):
- fsp_fv = FspFv(fspfile)
- fsp_fv.ParseFv()
- fsp_fv.ParseFsp()
- if show:
- fsp_fv.PrintFv()
- fsp_fv.WriteFsp(outdir, nametemplate)
+ newfspbin = fd.FdData[:]
+
+ for idx, fspcomp in enumerate(FspComponent):
+
+ found = False
+ for fsp in fd.FspList:
+ ftype = fsp.Type.lower()
+ if ftype == fspcomp:
+ found = True
+ break
+
+ if not found:
+ print "ERROR: Could not find FSP_%c component to rebase !" % fspcomp.upper()
+ return
+
+ fspbase = baselist[idx]
+ if fspbase.startswith('0x'):
+ newbase = int(fspbase, 16)
+ else:
+ newbase = int(fspbase)
+ oldbase = fsp.Fih.ImageBase
+ delta = newbase - oldbase
+ print "Rebase FSP-%c from 0x%08X to 0x%08X:" % (ftype.upper(),oldbase,newbase)
+
+ telist = []
+ for fvidx in fsp.FvIdxList:
+ fv = fd.FvList[fvidx]
+ for ffs in fv.FfsList:
+ for sec in ffs.SecList:
+ if sec.SecHdr.Type == EFI_SECTION_TYPE.TE: # TE
+ offset = fd.Offset + fv.Offset + ffs.Offset + sec.Offset + sizeof(sec.SecHdr)
+ telist.append ((offset, len(sec.SecData) - sizeof(sec.SecHdr)))
+ elif sec.SecHdr.Type == EFI_SECTION_TYPE.PE32: # PE
+ raise Exception("ERROR: PE32 Section is not supported !")
+
+ fcount = 0
+ tecount = 0
+ for (teoffset, telen) in telist:
+ tehdr = EFI_TE_IMAGE_HEADER.from_buffer (fd.FdData, teoffset)
+ if 'VZ' != tehdr.Signature:
+ raise Exception("ERROR: Invalid TE header !")
+ te = TeImage(teoffset, fd.FdData[teoffset:teoffset + telen])
+ te.ParseReloc()
+ tecount += te.Rebase(delta, newfspbin)
+ fcount += 1
+ print " Patched %d entries in %d TE images." % (tecount, fcount)
+
+ (count, applied) = fsp.Patch(delta, newfspbin)
+ print " Patched %d entries using FSP patch table." % applied
+ if count != applied:
+ print " %d invalid entries are ignored !" % (count - applied)
+
+ if OutputFile == '':
+ filename = os.path.basename(FspBinary)
+ base, ext = os.path.splitext(filename)
+ OutputFile = base + "_%08X" % newbase + ext
+
+ fspname, ext = os.path.splitext(os.path.basename(OutputFile))
+ filename = os.path.join(OutputDir, fspname + ext)
+ fd = open(filename, "wb")
+ fd.write(newfspbin)
+ fd.close()
def main ():
- parser = argparse.ArgumentParser()
- subparsers = parser.add_subparsers(title='commands')
+ parser = argparse.ArgumentParser()
+ subparsers = parser.add_subparsers(title='commands')
+
+ parser_rebase = subparsers.add_parser('rebase', help='rebase a FSP into a new base address')
+ parser_rebase.set_defaults(which='rebase')
+ parser_rebase.add_argument('-f', '--fspbin' , dest='FspBinary', type=str, help='FSP binary file path', required = True)
+ parser_rebase.add_argument('-c', '--fspcomp', choices=['t','m','s','o'], nargs='+', dest='FspComponent', type=str, help='FSP component to rebase', default = "['t']", required = True)
+ parser_rebase.add_argument('-b', '--newbase', dest='FspBase', nargs='+', type=str, help='Rebased FSP binary file name', default = '', required = True)
+ parser_rebase.add_argument('-o', '--outdir' , dest='OutputDir', type=str, help='Output directory path', default = '.')
+ parser_rebase.add_argument('-n', '--outfile', dest='OutputFile', type=str, help='Rebased FSP binary file name', default = '')
parser_split = subparsers.add_parser('split', help='split a FSP into multiple components')
parser_split.set_defaults(which='split')
parser_split.add_argument('-f', '--fspbin' , dest='FspBinary', type=str, help='FSP binary file path', required = True)
parser_split.add_argument('-o', '--outdir' , dest='OutputDir', type=str, help='Output directory path', default = '.')
parser_split.add_argument('-n', '--nametpl', dest='NameTemplate', type=str, help='Output name template', default = '')
- parser_split.add_argument('-p', action='store_true', help='Print FSP FV information', default = False)
parser_genhdr = subparsers.add_parser('genhdr', help='generate a header file for FSP binary')
parser_genhdr.set_defaults(which='genhdr')
parser_genhdr.add_argument('-f', '--fspbin' , dest='FspBinary', type=str, help='FSP binary file path', required = True)
parser_genhdr.add_argument('-o', '--outdir' , dest='OutputDir', type=str, help='Output directory path', default = '.')
parser_genhdr.add_argument('-n', '--hfile', dest='HFileName', type=str, help='Output header file name', default = '')
- parser_genhdr.add_argument('-p', action='store_true', help='Print FSP FV information', default = False)
+
+ parser_info = subparsers.add_parser('info', help='display FSP information')
+ parser_info.set_defaults(which='info')
+ parser_info.add_argument('-f', '--fspbin' , dest='FspBinary', type=str, help='FSP binary file path', required = True)
args = parser.parse_args()
- if args.which in ['split', 'genhdr']:
+ if args.which in ['rebase', 'split', 'genhdr', 'info']:
if not os.path.exists(args.FspBinary):
- raise Exception ("Could not locate FSP binary file '%s' !" % args.FspBinary)
- if not os.path.exists(args.OutputDir):
- raise Exception ("Invalid output directory '%s' !" % args.OutputDir)
-
- if args.which == 'split':
- SplitFspBin (args.FspBinary, args.OutputDir, args.NameTemplate, args.p)
+ raise Exception ("ERROR: Could not locate FSP binary file '%s' !" % args.FspBinary)
+ if hasattr(args, 'OutputDir') and not os.path.exists(args.OutputDir):
+ raise Exception ("ERROR: Invalid output directory '%s' !" % args.OutputDir)
+
+ if args.which == 'rebase':
+ RebaseFspBin (args.FspBinary, args.FspComponent, args.FspBase, args.OutputDir, args.OutputFile)
+ elif args.which == 'split':
+ SplitFspBin (args.FspBinary, args.OutputDir, args.NameTemplate)
elif args.which == 'genhdr':
- GenFspHdr (args.FspBinary, args.OutputDir, args.HFileName, args.p)
+ GenFspHdr (args.FspBinary, args.OutputDir, args.HFileName)
+ elif args.which == 'info':
+ ShowFspInfo (args.FspBinary)
else:
pass
- print 'Done!'
return 0
if __name__ == '__main__':
|