#!/usr/local/bin/python
#CHIPSEC: Platform Security Assessment Framework
#Copyright (c) 2010-2015, Intel Corporation
# 
#This program is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public License
#as published by the Free Software Foundation; Version 2.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
#Contact information:
#chipsec@intel.com
#




# -------------------------------------------------------------------------------
#
# CHIPSEC: Platform Hardware Security Assessment Framework
# (c) 2010-2012 Intel Corporation
#
# -------------------------------------------------------------------------------

"""
HAL component decoding various ACPI tables
"""

__version__ = '0.1'

import struct
from collections import namedtuple

class ACPI_TABLE():
    def parse( self, table_content ):
        return
    def __str__( self ):
        return """------------------------------------------------------------------
  Table Content
------------------------------------------------------------------
"""

########################################################################################################
#
# DMAR Table
#
########################################################################################################

ACPI_TABLE_FORMAT_DMAR = '=BB10s'
ACPI_TABLE_SIZE_DMAR   = struct.calcsize(ACPI_TABLE_FORMAT_DMAR)
#class ACPI_TABLE_DMAR( namedtuple('ACPI_TABLE_DMAR', 'HostAddrWidth Flags Reserved dmar_structures') ):
class DMAR (ACPI_TABLE):
    def __init__(self):
        self.dmar_structures=[]
        self.DMAR_TABLE_FORMAT={
          'DeviceScope_FORMAT': '=BBHBB',
          'DRHD_FORMAT'       : '=HHBBHQ',
          'RMRR_FORMAT'       : '=HHHHQQ',
          'ATSR_FORMAT'       : '=HHBBH',
          'RHSA_FORMAT'       : '=HHIQI',
          'ANDD_FORMAT'       : 'HH3sB'
        }

    def parse(self , table_content):
        off = ACPI_TABLE_SIZE_DMAR
        struct_fmt = '=HH'
        while off < len(table_content) - 1:
            (_type,length) = struct.unpack( struct_fmt, table_content[ off : off + struct.calcsize(struct_fmt) ] )
            if 0 == length: break
            self.dmar_structures.append( self._get_structure_DMAR( _type, table_content[ off : off + length ] ) )
            off += length
        (self.HostAddrWidth, self.Flags, self.Reserved) = struct.unpack_from( ACPI_TABLE_FORMAT_DMAR, table_content ) 
        return

    def __str__(self):
        _str = """------------------------------------------------------------------
  DMAR Table Contents
------------------------------------------------------------------
  Host Address Width  : %d
  Flags               : 0x%02X
  Reserved            : %s
""" % ( self.HostAddrWidth, self.Flags, ''.join('%02x ' % ord(c) for c in self.Reserved) )
        _str += "\n  Remapping Structures:\n"
        for st in self.dmar_structures: _str += str(st)
        return _str
    
    def _get_structure_DMAR(self, _type, DataStructure ):
        if   0x00 == _type: return self._get_DMAR_structure_DRHD( DataStructure )
        elif 0x01 == _type: return self._get_DMAR_structure_RMRR( DataStructure )
        elif 0x02 == _type: return self._get_DMAR_structure_ATSR( DataStructure )
        elif 0x03 == _type: return self._get_DMAR_structure_RHSA( DataStructure )
        elif 0x04 == _type: return self._get_DMAR_structure_ANDD( DataStructure )
        else:               return ("\n  Unknown DMAR structure 0x%02X\n" % _type)

    def _get_DMAR_structure_DRHD(self, structure ):  
        device_scope = []
        fmt          = '=BB'
        step         = struct.calcsize(fmt)
        off          = struct.calcsize(self.DMAR_TABLE_FORMAT["DRHD_FORMAT"])
        while off < len(structure) - 1:
            (_type,length) = struct.unpack( fmt, structure[off:off+step] )
            if 0 == length: break
            path_sz = length - struct.calcsize(self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"])
            f = self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"] + ('%ds' % path_sz)
            device_scope.append( ACPI_TABLE_DMAR_DeviceScope( *struct.unpack_from(f,structure[off:off+length]) ) )
            off += length
        return ACPI_TABLE_DMAR_DRHD( *struct.unpack_from( self.DMAR_TABLE_FORMAT["DRHD_FORMAT"], structure ), DeviceScope=device_scope )

    def _get_DMAR_structure_RMRR(self, structure ):  
        device_scope = []
        fmt          = '=HH'
        step         = struct.calcsize(fmt)
        off          = struct.calcsize(self.DMAR_TABLE_FORMAT["RMRR_FORMAT"])
        while off < len(structure) - 1:
            (_type,length) = struct.unpack( fmt, structure[off:off+step] )
            if 0 == length: break
            path_sz = length - struct.calcsize(self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"])
            f = self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"] + ('%ds' % path_sz)
            device_scope.append( ACPI_TABLE_DMAR_DeviceScope( *struct.unpack_from(f,structure[off:off+length]) ) )
            off += length
        return ACPI_TABLE_DMAR_RMRR( *struct.unpack_from(self.DMAR_TABLE_FORMAT["RMRR_FORMAT"], structure ), DeviceScope=device_scope )

    def _get_DMAR_structure_ATSR(self, structure ):  
        device_scope = []
        fmt          = '=HH'
        step         = struct.calcsize(fmt)
        off          = struct.calcsize(self.DMAR_TABLE_FORMAT["ATSR_FORMAT"])
        while off < len(structure) - 1:
            (_type,length) = struct.unpack( fmt, structure[off:off+step] )
            if 0 == length: break
            path_sz = length - struct.calcsize(self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"])
            f = self.DMAR_TABLE_FORMAT["DeviceScope_FORMAT"] + ('%ds' % path_sz)
            device_scope.append( ACPI_TABLE_DMAR_DeviceScope( *struct.unpack_from(f,structure[off:off+length]) ) )
            off += length
        return ACPI_TABLE_DMAR_ATSR( *struct.unpack_from( self.DMAR_TABLE_FORMAT["ATSR_FORMAT"], structure ), DeviceScope=device_scope )
    
    def _get_DMAR_structure_RHSA(self, structure ):  
        return ACPI_TABLE_DMAR_RHSA( *struct.unpack_from( self.DMAR_TABLE_FORMAT["RHSA_FORMAT"], structure ) )
    
    def _get_DMAR_structure_ANDD(self, structure ):  
        sz = struct.calcsize('=H')
        length = struct.unpack( '=H', structure[sz:sz+sz] )[0]
        f = self.DMAR_TABLE_FORMAT["ANDD_FORMAT"] + ('%ds' % (length - struct.calcsize(self.DMAR_TABLE_FORMAT["ANDD_FORMAT"])))
        return ACPI_TABLE_DMAR_ANDD( *struct.unpack_from( f, structure ) )

#
# DMAR Device Scope
#

DMAR_DS_TYPE_PCI_ENDPOINT     = 0x1
DMAR_DS_TYPE_PCIPCI_BRIDGE    = 0x2
DMAR_DS_TYPE_IOAPIC           = 0x3
DMAR_DS_TYPE_MSI_CAPABLE_HPET = 0x4
DMAR_DS_TYPE_ACPI_NAMESPACE   = 0x5
DMAR_DS_TYPE ={
  DMAR_DS_TYPE_PCI_ENDPOINT     : 'PCI Endpoint Device',
  DMAR_DS_TYPE_PCIPCI_BRIDGE    : 'PCI-PCI Bridge',
  DMAR_DS_TYPE_IOAPIC           : 'I/O APIC Device',
  DMAR_DS_TYPE_MSI_CAPABLE_HPET : 'MSI Capable HPET',
  DMAR_DS_TYPE_ACPI_NAMESPACE   : 'ACPI Namaspace Device'
}

class ACPI_TABLE_DMAR_DeviceScope( namedtuple('ACPI_TABLE_DMAR_DeviceScope', 'Type Length Reserved EnumerationID StartBusNum Path') ):
    __slots__ = ()
    def __str__(self):
        return """      %s (%02X): Len: 0x%02X, Rsvd: 0x%04X, Enum ID: 0x%02X, Start Bus#: 0x%02X, Path: %s
""" % ( DMAR_DS_TYPE[self.Type], self.Type, self.Length, self.Reserved, self.EnumerationID, self.StartBusNum, ''.join('%02x ' % ord(c) for c in self.Path) )

#
# DMAR DMA Remapping Hardware Unit Definition (DRHD) Structure
#
class ACPI_TABLE_DMAR_DRHD( namedtuple('ACPI_TABLE_DMAR_DRHD', 'Type Length Flags Reserved SegmentNumber RegisterBaseAddr DeviceScope') ):
    __slots__ = ()
    def __str__(self):
        _str = """
  DMA Remapping Hardware Unit Definition (0x%04X):
    Length                : 0x%04X
    Flags                 : 0x%02X
    Reserved              : 0x%02X
    Segment Number        : 0x%04X
    Register Base Address : 0x%016X
""" % ( self.Type, self.Length, self.Flags, self.Reserved, self.SegmentNumber, self.RegisterBaseAddr )
        _str += '    Device Scope          :\n'
        for ds in self.DeviceScope: _str += str(ds)
        return _str

#
# DMAR Reserved Memory Range Reporting (RMRR) Structure
#
class ACPI_TABLE_DMAR_RMRR( namedtuple('ACPI_TABLE_DMAR_RMRR', 'Type Length Reserved SegmentNumber RMRBaseAddr RMRLimitAddr DeviceScope') ):
    __slots__ = ()
    def __str__(self):
        _str = """
  Reserved Memory Range (0x%04X):
    Length                : 0x%04X
    Reserved              : 0x%04X
    Segment Number        : 0x%04X
    Reserved Memory Base  : 0x%016X
    Reserved Memory Limit : 0x%016X
""" % ( self.Type, self.Length, self.Reserved, self.SegmentNumber, self.RMRBaseAddr, self.RMRLimitAddr )
        _str += '    Device Scope          :\n'
        for ds in self.DeviceScope: _str += str(ds)
        return _str
#
# DMAR Root Port ATS Capability Reporting (ATSR) Structure
#

class ACPI_TABLE_DMAR_ATSR( namedtuple('ACPI_TABLE_DMAR_ATSR', 'Type Length Flags Reserved SegmentNumber DeviceScope') ):
    __slots__ = ()
    def __str__(self):
        _str = """
  Root Port ATS Capability (0x%04X):
    Length                : 0x%04X
    Flags                 : 0x%02X
    Reserved (0)          : 0x%02X
    Segment Number        : 0x%04X
""" % ( self.Type, self.Length, self.Flags, self.Reserved, self.SegmentNumber )
        _str += '    Device Scope          :\n'
        for ds in self.DeviceScope: _str += str(ds)
        return _str

#
# DMAR Remapping Hardware Status Affinity (RHSA) Structure
#
class ACPI_TABLE_DMAR_RHSA( namedtuple('ACPI_TABLE_DMAR_RHSA', 'Type Length Reserved RegisterBaseAddr ProximityDomain') ):
    __slots__ = ()
    def __str__(self):
        return """
  Remapping Hardware Status Affinity (0x%04X):
    Length                : 0x%04X
    Reserved (0)          : 0x%08X
    Register Base Address : 0x%016X
    Proximity Domain      : 0x%08X
""" % ( self.Type, self.Length, self.Reserved, self.RegisterBaseAddr, self.ProximityDomain )
#
# DMAR ACPI Name-space Device Declaration (ANDD) Structure
#
ACPI_TABLE_DMAR_ANDD_FORMAT = '=HH3sB'
ACPI_TABLE_DMAR_ANDD_SIZE   = struct.calcsize(ACPI_TABLE_DMAR_ANDD_FORMAT)
assert(8 == ACPI_TABLE_DMAR_ANDD_SIZE)
class ACPI_TABLE_DMAR_ANDD( namedtuple('ACPI_TABLE_DMAR_ANDD', 'Type Length Reserved ACPIDevNum ACPIObjectName') ):
    __slots__ = ()
    def __str__(self):
        return """
  Remapping Hardware Status Affinity (0x%04X):
    Length                : 0x%04X
    Reserved (0)          : %s
    ACPI Device Number    : 0x%02X
    ACPI Object Name      : %s
""" % ( self.Type, self.Length, ''.join('%02x ' % ord(c) for c in self.Reserved), self.ACPIDevNum, self.ACPIObjectName )

########################################################################################################
#
# APIC Table
#
########################################################################################################

ACPI_TABLE_FORMAT_APIC = '=II'
ACPI_TABLE_SIZE_APIC   = struct.calcsize(ACPI_TABLE_FORMAT_APIC)
#class ACPI_TABLE_APIC( namedtuple('ACPI_TABLE_APIC', 'LAPICBase Flags apic_structures') ):
class APIC (ACPI_TABLE):
    def __init__(self):
        self.apic_structs = []
        self.ACPI_TABLE_FORMAT={}
        
        # APIC Table Structures
        self.APIC_TABLE_FORMAT={
          "PROCESSOR_LAPIC"            : '<BBBBI',
          "IOAPIC"                     : '<BBBBII',
          "INTERRUPT_SOURSE_OVERRIDE"  : '<BBBBIH', 
          "NMI_SOURCE"                 : '<BBHI',
          "LAPIC_NMI"                  : '<BBBHB',
          "LAPIC_ADDRESS_OVERRIDE"     : '<BBHQ',
          "IOSAPIC"                    : '<BBBBIQ',
          "PROCESSOR_LSAPIC"           : '<BBBBBHII',
          "PLATFORM_INTERRUPT_SOURCES" : '<BBHBBBII',
          "PROCESSOR_Lx2APIC"          : '<BBHIII',
          "Lx2APIC_NMI"                : '<BBHIB3s',
          "GICC_CPU"                   : '<BBHIIIIIQQQQIQQ',
          "GIC_DISTRIBUTOR"            : '<BBHIQII',
          "GIC_MSI"                    : '<BBHIQIHH',
          "GIC_REDISTRIBUTOR"          : '<BBHQI'
        }
    
    def parse(self , table_content):
        (self.LAPICBase,self.Flags) = struct.unpack( '=II', table_content[ 0 : 8 ] )
        cont = 8
        while cont < len(table_content) - 1:
            (value,length) = struct.unpack( '=BB', table_content[ cont : cont + 2 ] )
            if 0 == length: break
            self.apic_structs.append( self.get_structure_APIC( value, table_content[ cont : cont + length ] ) )
            cont += length
        return

    def __str__(self):
        apic_str = """------------------------------------------------------------------
  APIC Table Contents
------------------------------------------------------------------
  Local APIC Base  : 0x%016X
  Flags            : 0x%08X
""" % ( self.LAPICBase, self.Flags )
        apic_str += "\n  Interrupt Controller Structures:\n"
        for st in self.apic_structs: apic_str += str(st)
        return apic_str
    
    def get_structure_APIC(self, value, DataStructure ):
        if   0x00 == value: return ACPI_TABLE_APIC_PROCESSOR_LAPIC( *struct.unpack_from( self.APIC_TABLE_FORMAT["PROCESSOR_LAPIC"], DataStructure ))
        elif 0x01 == value: return ACPI_TABLE_APIC_IOAPIC( *struct.unpack_from( self.APIC_TABLE_FORMAT["IOAPIC"], DataStructure ))
        elif 0x02 == value: return ACPI_TABLE_APIC_INTERRUPT_SOURSE_OVERRIDE( *struct.unpack_from( self.APIC_TABLE_FORMAT["INTERRUPT_SOURSE_OVERRIDE"], DataStructure ))
        elif 0x03 == value: return ACPI_TABLE_APIC_NMI_SOURCE( *struct.unpack_from( self.APIC_TABLE_FORMAT["NMI_SOURCE"], DataStructure ))
        elif 0x04 == value: return ACPI_TABLE_APIC_LAPIC_NMI( *struct.unpack_from( self.APIC_TABLE_FORMAT["LAPIC_NMI"], DataStructure ))
        elif 0x05 == value: return ACPI_TABLE_APIC_LAPIC_ADDRESS_OVERRIDE( *struct.unpack_from( self.APIC_TABLE_FORMAT["LAPIC_ADDRESS_OVERRIDE"], DataStructure ))
        elif 0x06 == value: return ACPI_TABLE_APIC_IOSAPIC( *struct.unpack_from( self.APIC_TABLE_FORMAT["IOSAPIC"], DataStructure ))
        elif 0x07 == value: return ACPI_TABLE_APIC_PROCESSOR_LSAPIC( *struct.unpack_from( "%s%ss"%( self.APIC_TABLE_FORMAT["PROCESSOR_LSAPIC"],str(len(DataStructure)-16)), DataStructure ))
        elif 0x08 == value: return ACPI_TABLE_APIC_PLATFORM_INTERRUPT_SOURCES( *struct.unpack_from( self.APIC_TABLE_FORMAT["PLATFORM_INTERRUPT_SOURCES"], DataStructure ))
        elif 0x09 == value: return ACPI_TABLE_APIC_PROCESSOR_Lx2APIC( *struct.unpack_from( self.APIC_TABLE_FORMAT["PROCESSOR_Lx2APIC"], DataStructure ))
        elif 0x0A == value: return ACPI_TABLE_APIC_Lx2APIC_NMI( *struct.unpack_from( self.APIC_TABLE_FORMAT["Lx2APIC_NMI"], DataStructure ))
        elif 0x0B == value: return ACPI_TABLE_APIC_GICC_CPU( *struct.unpack_from( self.APIC_TABLE_FORMAT["GICC_CPU"], DataStructure ))
        elif 0x0C == value: return ACPI_TABLE_APIC_GIC_DISTRIBUTOR( *struct.unpack_from( self.APIC_TABLE_FORMAT["GIC_DISTRIBUTOR"], DataStructure ))
        elif 0x0D == value: return ACPI_TABLE_APIC_GIC_MSI( *struct.unpack_from( self.APIC_TABLE_FORMAT["GIC_MSI"], DataStructure ))
        elif 0x0E == value: return ACPI_TABLE_APIC_GIC_REDISTRIBUTOR( *struct.unpack_from( self.APIC_TABLE_FORMAT["GIC_REDISTRIBUTOR"], DataStructure ))
        else:
            DataStructure = ''.join(x.encode('hex') for x in DataStructure)
            return """
Reserved ....................................%s"
     %s"
""" % (value, DataStructure)

class ACPI_TABLE_APIC_PROCESSOR_LAPIC(namedtuple('ACPI_TABLE_APIC_PROCESSOR_LAPIC', 'Type Length ACPIProcID APICID Flags')):
    __slots__ = ()
    def __str__(self):
        return """
  Processor Local APIC (0x00)
    Type         : 0x%02X
    Length       : 0x%02X
    ACPI Proc ID : 0x%02X
    APIC ID      : 0x%02X
    Flags        : 0x%02X
"""%( self.Type, self.Length, self.ACPIProcID, self.APICID, self.Flags )

class ACPI_TABLE_APIC_IOAPIC(namedtuple('ACPI_TABLE_APIC_IOAPIC', 'Type Length IOAPICID Reserved IOAPICAddr GlobalSysIntBase')):
    __slots__ = ()
    def __str__(self):
        return """
  I/O APIC (0x01)
    Type                : 0x%02X
    Length              : 0x%02X
    Reserved            : 0x%02X 
    I/O APIC ID         : 0x%02X
    I/O APIC Base       : 0x%02X
    Global Sys Int Base : 0x%02X
"""%( self.Type, self.Length, self.IOAPICID, self.Reserved, self.IOAPICAddr, self.GlobalSysIntBase )
     
class ACPI_TABLE_APIC_INTERRUPT_SOURSE_OVERRIDE(namedtuple('ACPI_TABLE_APIC_INTERRUPT_SOURSE_OVERRIDE', 'Type Length Bus Source GlobalSysIntBase Flags')):
    __slots__ = ()
    def __str__(self):
        return """
  Interrupt Source Override (0x02)
    Type                : 0x%02X
    Length              : 0x%02X
    Bus                 : 0x%02X
    Source              : 0x%02X
    Global Sys Int Base : 0x%02X
    Flags               : 0x%02X
"""%( self.Type, self.Length, self.Bus, self.Source, self.GlobalSysIntBase, self.Flags )

class ACPI_TABLE_APIC_NMI_SOURCE(namedtuple('ACPI_TABLE_APIC_NMI_SOURCE', 'Type Length Flags GlobalSysIntBase')):
    __slots__ = ()
    def __str__(self):
        return """
  Non-maskable Interrupt (NMI) Source (0x03)
    Type                : 0x%02X
    Length              : 0x%02X
    Flags               : 0x%02X
    Global Sys Int Base : 0x%02X
"""%( self.Type, self.Length, self.Flags, self.GlobalSysIntBase )

class ACPI_TABLE_APIC_LAPIC_NMI(namedtuple('ACPI_TABLE_APIC_LAPIC_NMI', 'Type Length ACPIProcessorID Flags LocalAPICLINT')):
    __slots__ = ()
    def __str__(self):
        return """
  Local APIC NMI (0x04)
    Type              : 0x%02X
    Length            : 0x%02X
    ACPI Processor ID : 0x%02X
    Flags             : 0x%02X
    Local APIC LINT   : 0x%02X
"""%( self.Type, self.Length, self.ACPIProcessorID, self.Flags, self.LocalAPICLINT )

class ACPI_TABLE_APIC_LAPIC_ADDRESS_OVERRIDE(namedtuple('ACPI_TABLE_APIC_LAPIC_ADDRESS_OVERRIDE', 'Type Length Reserved LocalAPICAddress')):
    __slots__ = ()
    def __str__(self):
        return """
  Local APIC Address Override (0x05)
    Type               : 0x%02X
    Length             : 0x%02X
    Reserved           : 0x%02X
    Local APIC Address : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.LocalAPICAddress )

class ACPI_TABLE_APIC_IOSAPIC(namedtuple('ACPI_TABLE_APIC_IOSAPIC', 'Type Length IOAPICID Reserved GlobalSysIntBase IOSAPICAddress')):
    __slots__ = ()
    def __str__(self):
        return """
  I/O SAPIC (0x06)
    Type                : 0x%02X
    Length              : 0x%02X
    IO APIC ID          : 0x%02X
    Reserved            : 0x%02X
    Global Sys Int Base : 0x%02X
    IO SAPIC Address    : 0x%02X
"""%( self.Type, self.Length, self.IOAPICID, self.Reserved, self.GlobalSysIntBase, self.IOSAPICAddress )

class ACPI_TABLE_APIC_PROCESSOR_LSAPIC(namedtuple('ACPI_TABLE_APIC_PROCESSOR_LSAPIC', 'Type Length ACPIProcID LocalSAPICID LocalSAPICEID Reserved Flags ACPIProcUIDValue ACPIProcUIDString'), ):
    __slots__ = ()
    def __str__(self):
        return """
  Local SAPIC (0x07)    
    Type                 : 0x%02X
    Length               : 0x%02X
    ACPI Proc ID         : 0x%02X
    Local SAPIC ID       : 0x%02X
    Local SAPIC EID      : 0x%02X
    Reserved             : 0x%02X
    Flags                : 0x%02X
    ACPI Proc UID Value  : 0x%02X
    ACPI Proc UID String : 0x%02X
"""%( self.Type, self.Length, self.ACPIProcID, self.LocalSAPICID, self.LocalSAPICEID, self.Reserved, self.Flags, self.ACPIProcUIDValue, self.ACPIProcUIDString )

class ACPI_TABLE_APIC_PLATFORM_INTERRUPT_SOURCES(namedtuple('ACPI_TABLE_APIC_PLATFORM_INTERRUPT_SOURCES', 'Type Length Flags InterruptType ProcID ProcEID IOSAPICVector GlobalSystemInterrupt PlatIntSourceFlags')):
    __slots__ = ()
    def __str__(self):
        return """
  Platform Interrupt Sources (0x08)
    Type                    : 0x%02X
    Length                  : 0x%02X
    Flags                   : 0x%02X
    Interrupt Type          : 0x%02X
    Proc ID                 : 0x%02X
    Proc EID                : 0x%02X
    I/O SAPIC Vector        : 0x%02X
    Global System Interrupt : 0x%02X
    Plat Int Source Flags   : 0x%02X
"""%( self.Type, self.Length, self.Flags, self.InterruptType, self.ProcID, self.ProcEID, self.IOSAPICVector, self.GlobalSystemInterrupt, self.PlatIntSourceFlags )

class ACPI_TABLE_APIC_PROCESSOR_Lx2APIC(namedtuple('ACPI_TABLE_APIC_PROCESSOR_Lx2APIC', 'Type Length Reserved x2APICID Flags ACPIProcUID')):
    __slots__ = ()
    def __str__(self):
        return """
  Processor Local x2APIC (0x09)
    Type          : 0x%02X
    Length        : 0x%02X
    Reserved      : 0x%02X
    x2APIC ID     : 0x%02X
    Flags         : 0x%02X
    ACPI Proc UID : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.x2APICID, self.Flags, self.ACPIProcUID )

class ACPI_TABLE_APIC_Lx2APIC_NMI(namedtuple('ACPI_TABLE_APIC_Lx2APIC_NMI', 'Type Length Flags ACPIProcUID Localx2APICLINT Reserved')):
    __slots__ = ()
    def __str__(self):
        return """
  Local x2APIC NMI (0x0A)
    Type              : 0x%02X
    Length            : 0x%02X
    Flags             : 0x%02X
    ACPI Proc UID     : 0x%02X
    Local x2APIC LINT : 0x%02X
    Reserved          : 0x%02X
"""%( self.Type, self.Length, self.Flags, self.ACPIProcUID, self.Localx2APICLINT, self.Reserved )

class ACPI_TABLE_APIC_GICC_CPU(namedtuple('ACPI_TABLE_APIC_GICC_CPU', 'Type Length Reserved CPUIntNumber ACPIProcUID Flags ParkingProtocolVersion PerformanceInterruptGSIV ParkedAddress PhysicalAddress GICV GICH VGICMaintenanceINterrupt GICRBaseAddress MPIDR')):
    __slots__ = ()
    def __str__(self):
        return """
  GICC CPU Interface Structure (0x0B)
    Type                       : 0x%02X
    Length                     : 0x%02X
    Reserved                   : 0x%02X
    CPU Int Number             : 0x%02X
    ACPI Proc UID              : 0x%02X
    Flags                      : 0x%02X
    Parking Protocol Version   : 0x%02X
    Performance Interrupt GSIV : 0x%02X
    Parked Address             : 0x%02X
    Physical Address           : 0x%02X
    GICV                       : 0x%02X
    GICH                       : 0x%02X
    VGIC Maintenance INterrupt : 0x%02X
    GICR Base Address          : 0x%02X
    MPIDR                      : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.CPUIntNumber, self.ACPIProcUID, self.Flags, self.ParkingProtocolVersion, self.PerformanceInterruptGSIV, self.ParkedAddress, self.PhysicalAddress, self.GICV, self.GICH, self.VGICMaintenanceINterrupt, self.GICRBaseAddress, self.MPIDR )

class ACPI_TABLE_APIC_GIC_DISTRIBUTOR(namedtuple('ACPI_TABLE_APIC_GIC_DISTRIBUTOR', 'Type Length Reserved GICID PhysicalBaseAddress SystemVectorBase Reserved2 ')):
    __slots__ = ()
    def __str__(self):
        return """
  GICD GIC Distributor Structure (0x0C)
    Type                  : 0x%02X
    Length                : 0x%02X
    Reserved              : 0x%02X
    GICID                 : 0x%02X
    Physical Base Address : 0x%02X
    System Vector Base    : 0x%02X
    Reserved              : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.GICID, self.PhysicalBaseAddress, self.SystemVectorBase, self.Reserved2 )

class ACPI_TABLE_APIC_GIC_MSI(namedtuple('ACPI_TABLE_APIC_GIC_MSI', 'Type Length Reserved GICMSIFrameID PhysicalBaseAddress Flags SPICount SPIBase')):
    __slots__ = ()
    def __str__(self):
        return """
  GICv2m MSI Frame (0x0D)
    Type                  : 0x%02X
    Length                : 0x%02X
    Reserved              : 0x%02X
    GIC MSI Frame ID      : 0x%02X
    Physical Base Address : 0x%02X
    Flags                 : 0x%02X
    SPI Count             : 0x%02X
    SPI Base              : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.GICMSIFrameID, self.PhysicalBaseAddress, self.Flags, self.SPICount, self.SPIBase )

class ACPI_TABLE_APIC_GIC_REDISTRIBUTOR(namedtuple('ACPI_TABLE_APIC_GIC_REDISTRIBUTOR', 'Type Length Reserved DiscoverRangeBaseAdd DiscoverRangeLength')):
    __slots__ = ()
    def __str__(self):
        return """
  GICR Redistributor Structure (0x0E)
    Type                  : 0x%02X
    Length                : 0x%02X
    Reserved              : 0x%02X
    Discover Range Base   : 0x%02X
    Discover Range Length : 0x%02X
"""%( self.Type, self.Length, self.Reserved, self.DiscoverRangeBaseAdd, self.DiscoverRangeLength )

########################################################################################################
#
# XSDT Table
#
########################################################################################################

class XSDT (ACPI_TABLE):
    def __init__( self ):
        self.Entries = []

    def parse( self, table_content ):
        num_of_tables = len(table_content) / 8
        self.Entries= struct.unpack( ('=%dQ' % num_of_tables), table_content )
        return

    def __str__( self ):
        return """==================================================================
  Extended System Description Table (XSDT)
==================================================================
ACPI Table Entries:
%s
""" %(''.join( ['0x%016X\n' % addr for addr in self.Entries]))

########################################################################################################
#
# RSDT Table
#
########################################################################################################

class RSDT (ACPI_TABLE):
    def __init__( self ):
        self.Entries = []

    def parse( self, table_content ):
        num_of_tables = len(table_content) / 8
        self.Entries= struct.unpack( ('=%dQ' % num_of_tables), table_content )
        return

    def __str__( self ):
        return """==================================================================
  Root System Description Table (RSDT)
==================================================================
ACPI Table Entries:
%s
""" %( ''.join( ['0x%016X\n' % addr for addr in self.Entries]))
