--- /dev/null
+#
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+#
+# 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.
+#
+
+import re
+
+class BuildReport:
+ PCDs = {}
+
+ def parse_platform_summary(self, file):
+ pass
+
+ def parse_pcd_report(self, report_file):
+ pcd_reg = re.compile(" (\*P|\*F|\*M| ) (\w+)(\ +)\: (.*) \((\w+)\) = (.*)\n")
+
+ for line in report_file.xreadlines():
+ stripped_line = line.strip()
+ if re.match("\<=+\>", stripped_line):
+ return
+ elif re.match("g.*Guid", stripped_line):
+ guid = stripped_line
+ self.PCDs[guid] = {}
+ else:
+ m = pcd_reg.match(line)
+ if m:
+ self.PCDs[guid][m.group(2)] = (m.group(6).strip(),m.group(5))
+
+ def parse_firmware_device(self, file):
+ pass
+
+ def parse_module_summary(self, file):
+ #print "Module Summary"
+ pass
+
+ CONST_SECTION_HEADERS = [('Platform Summary', parse_platform_summary),
+ ('Platform Configuration Database Report',parse_pcd_report),
+ ('Firmware Device (FD)',parse_firmware_device),
+ ('Module Summary',parse_module_summary)]
+
+ def __init__(self, filename = 'report.log'):
+ report_file = open(filename, 'r')
+ for line in report_file.xreadlines():
+ for section_header in BuildReport.CONST_SECTION_HEADERS:
+ if line.strip() == section_header[0]:
+ section_header[1](self, report_file)
+ #print self.PCDs
--- /dev/null
+#\r
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
+# \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
+from arm_ds.debugger_v1 import Debugger\r
+from arm_ds.debugger_v1 import DebugException\r
+\r
+import re, sys, getopt\r
+\r
+import edk2_debugger\r
+\r
+# Reload external classes\r
+reload(edk2_debugger)\r
+\r
+def usage():\r
+ print "-a,--all: Load all symbols"\r
+ print "-l,--report=: Filename for the EDK2 report log"\r
+ print "-m,--sysmem=(base,size): System Memory region"\r
+ print "-f,--fv=(base,size): Firmware region"\r
+ print "-r,--rom=(base,size): ROM region"\r
+\r
+load_all = False\r
+report_file = None\r
+regions = []\r
+opts,args = getopt.getopt(sys.argv[1:], "har:vm:vr:vf:v", ["help","all","report=","sysmem=","rom=","fv="])\r
+if (opts is None) or (not opts):\r
+ report_file = '../../../report.log'\r
+else:\r
+ region_reg = re.compile("\((.*),(.*)\)")\r
+ base_reg = re.compile("(.*)")\r
+ \r
+ for o,a in opts:\r
+ region_type = None\r
+ regex = None\r
+ m = None\r
+ if o in ("-h","--help"):\r
+ usage()\r
+ sys.exit()\r
+ elif o in ("-a","--all"):\r
+ load_all = True\r
+ elif o in ("-l","--report"):\r
+ report_file = a\r
+ elif o in ("-m","--sysmem"):\r
+ region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_SYSMEM\r
+ regex = region_reg\r
+ elif o in ("-f","--fv"):\r
+ region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_FV\r
+ regex = region_reg\r
+ elif o in ("-r","--rom"):\r
+ region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_ROM\r
+ regex = region_reg\r
+ else:\r
+ assert False, "Unhandled option"\r
+ \r
+ if region_type:\r
+ m = regex.match(a)\r
+ if m:\r
+ if regex.groups == 1:\r
+ regions.append((region_type,int(m.group(1),0),0))\r
+ else:\r
+ regions.append((region_type,int(m.group(1),0),int(m.group(2),0)))\r
+ else:\r
+ if regex.groups == 1:\r
+ raise Exception('cmd_load_symbols', "Expect a base address")\r
+ else:\r
+ raise Exception('cmd_load_symbols', "Expect a region format as (base,size)")\r
+ \r
+# Debugger object for accessing the debugger\r
+debugger = Debugger()\r
+\r
+# Initialisation commands\r
+ec = debugger.getExecutionContext(0)\r
+ec.getExecutionService().stop()\r
+ec.getExecutionService().waitForStop()\r
+# in case the execution context reference is out of date\r
+ec = debugger.getExecutionContext(0)\r
+\r
+armplatform_debugger = edk2_debugger.ArmPlatformDebugger(ec, report_file, regions)\r
+\r
+try:\r
+ armplatform_debugger = edk2_debugger.ArmPlatformDebugger(ec, report_file, regions)\r
+ \r
+ if load_all:\r
+ armplatform_debugger.load_all_symbols()\r
+ else:\r
+ armplatform_debugger.load_current_symbols()\r
+except IOError, (ErrorNumber, ErrorMessage):\r
+ print "Error: %s" % ErrorMessage\r
+except Exception, (ErrorClass, ErrorMessage):\r
+ print "Error(%s): %s" % (ErrorClass, ErrorMessage)\r
+except DebugException, de:\r
+ print "DebugError: %s" % (de.getMessage())\r
--- /dev/null
+#
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+#
+# 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.
+#
+
+import os
+
+import firmware_volume
+import build_report
+import system_table
+
+# Reload external classes
+reload(firmware_volume)
+reload(build_report)
+reload(system_table)
+
+def readMem32(executionContext, address):
+ bytes = executionContext.getMemoryService().read(address, 4, 32)
+ return struct.unpack('<I',bytes)[0]
+
+def dump_fv(ec, fv_base, fv_size):
+ fv = firmware_volume.FirmwareVolume(ec,
+ int(build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0],16),
+ int(build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16))
+
+ ffs = fv.get_next_ffs()
+ while ffs != None:
+ print "# %s" % ffs
+
+ section = ffs.get_next_section()
+ while section != None:
+ print "\t%s" % section
+ try:
+ print "\t\t- %s" % section.get_debug_filepath()
+ except Exception:
+ pass
+ section = ffs.get_next_section(section)
+
+ ffs = fv.get_next_ffs(ffs)
+
+def dump_system_table(ec, mem_base, mem_size):
+ st = system_table.SystemTable(ec, mem_base, mem_size)
+
+ debug_info_table_base = st.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
+
+ debug_info_table = system_table.DebugInfoTable(ec, debug_info_table_base)
+ debug_info_table.dump()
+
+def load_symbol_from_file(ec, filename, address):
+ try:
+ ec.executeDSCommand("discard-symbol-file \'%s\'" % filename)
+ except:
+ pass
+ ec.executeDSCommand("add-symbol-file \'%s\' 0x%X" % (filename, address))
+
+class ArmPlatform:
+ def __init__(self, sysmembase=None, sysmemsize=None, fvs={}):
+ self.sysmembase = sysmembase
+ self.sysmemsize = sysmemsize
+ self.fvs = fvs
+
+class ArmPlatformDebugger:
+ system_table = None
+ firmware_volumes = {}
+
+ REGION_TYPE_SYSMEM = 1
+ REGION_TYPE_ROM = 2
+ REGION_TYPE_FV = 3
+
+ def __init__(self, ec, report_log, regions):
+ self.ec = ec
+ fvs = []
+ sysmem_base = None
+ sysmem_size = None
+
+ if report_log and os.path.isfile(report_log):
+ try:
+ self.build = build_report.BuildReport(report_log)
+ except IOError:
+ raise IOError(2, 'Report \'%s\' isnot valid' % report_log)
+
+ # Generate list of supported Firmware Volumes
+ if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16) != 0:
+ fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16)))
+ if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdSecureFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvSize'][0],16) != 0:
+ fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvSize'][0],16)))
+ if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdHypFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvSize'][0],16) != 0:
+ fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvSize'][0],16)))
+
+ sysmem_base = int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSystemMemoryBase'][0],16)
+ sysmem_size = int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSystemMemorySize'][0],16)
+ else:
+ for region in regions:
+ if region[0] == ArmPlatformDebugger.REGION_TYPE_SYSMEM:
+ sysmem_base = region[1]
+ sysmem_size = region[2]
+ elif region[0] == ArmPlatformDebugger.REGION_TYPE_FV:
+ fvs.append((region[1],region[2]))
+ elif region[0] == ArmPlatformDebugger.REGION_TYPE_ROM:
+ for base in xrange(region[1], region[1] + region[2], 0x400000):
+ signature = struct.unpack("cccc", self.ec.getMemoryService().read(base, 4, 32))
+ if signature == FirmwareVolume.CONST_FV_SIGNATURE:
+ fvs.append((base,0))
+ else:
+ print "Region type '%d' Not Supported" % region[0]
+
+ self.platform = ArmPlatform(sysmem_base, sysmem_size, fvs)
+
+ def in_sysmem(self, addr):
+ return (self.platform.sysmembase is not None) and (self.platform.sysmembase <= addr) and (addr < self.platform.sysmembase + self.platform.sysmemsize)
+
+ def in_fv(self, addr):
+ return (self.get_fv_at(addr) != None)
+
+ def get_fv_at(self, addr):
+ for fv in self.platform.fvs:
+ if (fv[0] <= addr) and (addr < fv[0] + fv[1]):
+ return fv
+ return None
+
+ def load_current_symbols(self):
+ pc = int(self.ec.getRegisterService().getValue('PC')) & 0xFFFFFFFF
+ if self.in_fv(pc):
+ debug_infos = []
+
+ (fv_base, fv_size) = self.get_fv_at(pc)
+
+ if self.firmware_volumes.has_key(fv_base) == False:
+ self.firmware_volumes[fv_base] = firmware_volume.FirmwareVolume(self.ec, fv_base, fv_size)
+
+ stack_frame = self.ec.getTopLevelStackFrame()
+ info = self.firmware_volumes[fv_base].load_symbols_at(int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF)
+ debug_infos.append(info)
+ while stack_frame.next() is not None:
+ stack_frame = stack_frame.next()
+
+ # Stack frame attached to 'PC'
+ pc = int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF
+
+ # Check if the symbols for this stack frame have already been loaded
+ found = False
+ for debug_info in debug_infos:
+ if (pc >= debug_info[0]) and (pc < debug_info[0] + debug_info[1]):
+ found = True
+ if found == False:
+ info = self.firmware_volumes[fv_base].load_symbols_at(pc)
+ debug_infos.append(info)
+
+ #self.firmware_volumes[fv_base].load_symbols_at(pc)
+ elif self.in_sysmem(pc):
+ debug_infos = []
+
+ if self.system_table is None:
+ # Find the System Table
+ self.system_table = system_table.SystemTable(self.ec, self.platform.sysmembase, self.platform.sysmemsize)
+
+ # Find the Debug Info Table
+ debug_info_table_base = self.system_table.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
+ self.debug_info_table = system_table.DebugInfoTable(self.ec, debug_info_table_base)
+
+ stack_frame = self.ec.getTopLevelStackFrame()
+ info = self.debug_info_table.load_symbols_at(int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF)
+ debug_infos.append(info)
+ while stack_frame.next() is not None:
+ stack_frame = stack_frame.next()
+
+ # Stack frame attached to 'PC'
+ pc = int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF
+
+ # Check if the symbols for this stack frame have already been loaded
+ found = False
+ for debug_info in debug_infos:
+ if (pc >= debug_info[0]) and (pc < debug_info[0] + debug_info[1]):
+ found = True
+ if found == False:
+ info = self.debug_info_table.load_symbols_at(pc)
+ debug_infos.append(info)
+
+ #self.debug_info_table.load_symbols_at(pc)
+ else:
+ raise Exception('ArmPlatformDebugger', "Not supported region")
+
+ def load_all_symbols(self):
+ # Load all the XIP symbols attached to the Firmware Volume
+ for (fv_base, fv_size) in self.platform.fvs:
+ if self.firmware_volumes.has_key(fv_base) == False:
+ self.firmware_volumes[fv_base] = firmware_volume.FirmwareVolume(self.ec, fv_base, fv_size)
+ self.firmware_volumes[fv_base].load_all_symbols()
+
+ try:
+ # Load all symbols of module loaded into System Memory
+ if self.system_table is None:
+ # Find the System Table
+ self.system_table = system_table.SystemTable(self.ec, self.platform.sysmembase, self.platform.sysmemsize)
+
+
+ # Find the Debug Info Table
+ debug_info_table_base = self.system_table.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
+ self.debug_info_table = system_table.DebugInfoTable(self.ec, debug_info_table_base)
+
+ self.debug_info_table.load_all_symbols()
+ except:
+ # Debugger exception could be excepted if DRAM has not been initialized or if we have not started to run from DRAM yet
+ print "Note: no symbols have been found in System Memory (possible cause: the UEFI permanent memory has been installed yet)"
+ pass
--- /dev/null
+#
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+#
+# 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.
+#
+
+from arm_ds.debugger_v1 import DebugException
+
+import struct
+import string
+
+class EfiFileSection(object):
+ EFI_SECTION_PE32 = 0x10
+ EFI_SECTION_PIC = 0x11
+ EFI_SECTION_TE = 0x12
+
+ EFI_IMAGE_DEBUG_TYPE_CODEVIEW = 0x2
+
+ SIZEOF_EFI_FFS_FILE_HEADER = 0x28
+
+ def __init__(self, ec, base):
+ self.base = base
+ self.ec = ec
+
+ def __str__(self):
+ return "FileSection(type:0x%X, size:0x%x)" % (self.get_type(), self.get_size())
+
+ def get_base(self):
+ return self.base
+
+ def get_type(self):
+ return struct.unpack("B", self.ec.getMemoryService().read(self.base + 0x3, 1, 8))[0]
+
+ def get_size(self):
+ return (struct.unpack("<I", self.ec.getMemoryService().read(self.base, 4, 32))[0] & 0x00ffffff)
+
+ def get_debug_filepath(self):
+ type = self.get_type()
+ if type == EfiFileSection.EFI_SECTION_TE:
+ section = EfiSectionTE(self, ec, self.base + 0x4)
+ elif type == EfiFileSection.EFI_SECTION_PE32:
+ section = EfiSectionPE32(self, ec, self.base + 0x4)
+ else:
+ raise Exception("EfiFileSection", "No debug section")
+ return section.get_debug_filepath()
+
+class EfiSectionTE:
+ SIZEOF_EFI_TE_IMAGE_HEADER = 0x28
+ EFI_TE_IMAGE_SIGNATURE = ('V','Z')
+
+ def __init__(self, ec, base_te):
+ self.ec = ec
+ self.base_te = int(base_te)
+ te_sig = struct.unpack("cc", self.ec.getMemoryService().read(self.base_te, 2, 32))
+ if te_sig != EfiSectionTE.EFI_TE_IMAGE_SIGNATURE:
+ raise Exception("EfiFileSectionTE","TE Signature incorrect")
+
+ def get_debug_filepath(self):
+ stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]
+ stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER
+
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_te + 0x20)
+ if debug_dir_entry_rva == 0:
+ raise Exception("EfiFileSectionTE","No debug directory for image")
+ debug_dir_entry_rva -= stripped_size
+
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0xC)
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
+ raise Exception("EfiFileSectionTE","Debug type is not dwarf")
+
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0x14)
+ debug_rva -= stripped_size
+
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(self.base_te + debug_rva, 4, 32))
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
+ raise Exception("EfiFileSectionTE","Dwarf debug signature not found")
+
+ if dwarf_sig == 0x66727764:
+ filename = self.base_te + debug_rva + 0xc
+ else:
+ filename = self.base_te + debug_rva + 0x10
+ filename = struct.unpack("200s", self.ec.getMemoryService().read(filename, 200, 32))[0]
+ return filename[0:string.find(filename,'\0')]
+
+ def get_debug_elfbase(self):
+ stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]
+ stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER
+
+ base_of_code = self.ec.getMemoryService().readMemory32(self.base_te + 0xC)
+
+ return self.base_te + base_of_code - stripped_size
+
+class EfiSectionPE32:
+ def __init__(self, ec, base_pe32):
+ self.ec = ec
+ self.base_pe32 = base_pe32
+
+ def get_debug_filepath(self):
+ # Offset from dos hdr to PE file hdr
+ file_header_offset = self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)
+
+ # Offset to debug dir in PE hdrs
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + file_header_offset + 0xA8)
+ if debug_dir_entry_rva == 0:
+ raise Exception("EfiFileSectionPE32","No Debug Directory")
+
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0xC)
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
+ raise Exception("EfiFileSectionPE32","Debug type is not dwarf")
+
+
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0x14)
+
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(str(self.base_pe32 + debug_rva), 4, 32))
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
+ raise Exception("EfiFileSectionPE32","Dwarf debug signature not found")
+
+ if dwarf_sig == 0x66727764:
+ filename = self.base_pe32 + debug_rva + 0xc
+ else:
+ filename = self.base_pe32 + debug_rva + 0x10
+ filename = struct.unpack("200s", self.ec.getMemoryService().read(str(filename), 200, 32))[0]
+ return filename[0:string.find(filename,'\0')]
+
+ def get_debug_elfbase(self):
+ # Offset from dos hdr to PE file hdr
+ pe_file_header = self.base_pe32 + self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)
+
+ base_of_code = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x28)
+ base_of_data = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x2C)
+
+ if (base_of_code < base_of_data) and (base_of_code != 0):
+ return base_of_code
+ else:
+ return base_of_data
+
+class FirmwareFile:
+ EFI_FV_FILETYPE_RAW = 0x01
+ EFI_FV_FILETYPE_FREEFORM = 0x02
+ EFI_FV_FILETYPE_SECURITY_CORE = 0x03
+ EFI_FV_FILETYPE_PEI_CORE = 0x04
+ EFI_FV_FILETYPE_DXE_CORE = 0x05
+ EFI_FV_FILETYPE_PEIM = 0x06
+ EFI_FV_FILETYPE_DRIVER = 0x07
+ EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER = 0x08
+ EFI_FV_FILETYPE_APPLICATION = 0x09
+ EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE = 0x0B
+ EFI_FV_FILETYPE_FFS_MIN = 0xF0
+
+ CONST_NB10_SIGNATURE = ('N','B','1','0')
+
+ def __init__(self, fv, base, ec):
+ self.fv = fv
+ self.base = base
+ self.ec = ec
+
+ def __str__(self):
+ return "FFS(state:0x%x, type:0x%X, size:0x%x)" % (self.get_state(), self.get_type(), self.get_size())
+
+ def get_base(self):
+ return self.base
+
+ def get_size(self):
+ size = (self.ec.getMemoryService().readMemory32(self.base + 0x14) & 0x00ffffff)
+
+ # Occupied size is the size considering the alignment
+ return size + ((0x8 - (size & 0x7)) & 0x7)
+
+ def get_type(self):
+ return self.ec.getMemoryService().readMemory8(self.base + 0x12)
+
+ def get_state(self):
+ state = self.ec.getMemoryService().readMemory8(self.base + 0x17)
+
+ polarity = self.fv.get_polarity()
+ if polarity:
+ state = ~state
+
+ highest_bit = 0x80;
+ while (highest_bit != 0) and ((highest_bit & state) == 0):
+ highest_bit >>= 1
+
+ return highest_bit
+
+ def get_next_section(self, section=None):
+ if section == None:
+ if self.get_type() != FirmwareFile.EFI_FV_FILETYPE_FFS_MIN:
+ section_base = self.get_base() + 0x18;
+ else:
+ return None
+ else:
+ section_base = int(section.get_base() + section.get_size())
+
+ # Align to next 4 byte boundary
+ if (section_base & 0x3) != 0:
+ section_base = section_base + 0x4 - (section_base & 0x3)
+
+ if section_base < self.get_base() + self.get_size():
+ return EfiFileSection(self.ec, section_base)
+ else:
+ return None
+
+class FirmwareVolume:
+ CONST_FV_SIGNATURE = ('_','F','V','H')
+ EFI_FVB2_ERASE_POLARITY = 0x800
+
+ DebugInfos = []
+
+ def __init__(self, ec, fv_base, fv_size):
+ self.ec = ec
+ self.fv_base = fv_base
+ self.fv_size = fv_size
+
+ try:
+ signature = struct.unpack("cccc", self.ec.getMemoryService().read(fv_base + 0x28, 4, 32))
+ except DebugException:
+ raise Exception("FirmwareVolume", "Not possible to access the defined firmware volume at [0x%X,0x%X]. Could be the used build report does not correspond to your current debugging context." % (int(fv_base),int(fv_base+fv_size)))
+ if signature != FirmwareVolume.CONST_FV_SIGNATURE:
+ raise Exception("FirmwareVolume", "This is not a valid firmware volume")
+
+ def get_size(self):
+ return self.ec.getMemoryService().readMemory32(self.fv_base + 0x20)
+
+ def get_attributes(self):
+ return self.ec.getMemoryService().readMemory32(self.fv_base + 0x2C)
+
+ def get_polarity(self):
+ attributes = self.get_attributes()
+ if attributes & FirmwareVolume.EFI_FVB2_ERASE_POLARITY:
+ return 1
+ else:
+ return 0
+
+ def get_next_ffs(self, ffs=None):
+ if ffs == None:
+ # Get the offset of the first FFS file from the FV header
+ ffs_base = self.fv_base + self.ec.getMemoryService().readMemory16(self.fv_base + 0x30)
+ else:
+ # Goto the next FFS file
+ ffs_base = int(ffs.get_base() + ffs.get_size())
+
+ # Align to next 8 byte boundary
+ if (ffs_base & 0x7) != 0:
+ ffs_base = ffs_base + 0x8 - (ffs_base & 0x7)
+
+ if ffs_base < self.fv_base + self.get_size():
+ return FirmwareFile(self, ffs_base, self.ec)
+ else:
+ return None
+
+ def get_debug_info(self):
+ self.DebugInfos = []
+
+ ffs = self.get_next_ffs()
+ while ffs != None:
+ section = ffs.get_next_section()
+ while section != None:
+ type = section.get_type()
+ if (type == EfiFileSection.EFI_SECTION_TE) or (type == EfiFileSection.EFI_SECTION_PE32):
+ self.DebugInfos.append((section.get_base(), section.get_size(), section.get_type()))
+ section = ffs.get_next_section(section)
+ ffs = self.get_next_ffs(ffs)
+
+ def load_symbols_at(self, addr):
+ if self.DebugInfos == []:
+ self.get_debug_info()
+
+ for debug_info in self.DebugInfos:
+ if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):
+ if debug_info[2] == EfiFileSection.EFI_SECTION_TE:
+ section = EfiSectionTE(self.ec, debug_info[0] + 0x4)
+ elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:
+ section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)
+ else:
+ raise Exception('FirmwareVolume','Section Type not supported')
+
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
+
+ return debug_info
+
+ def load_all_symbols(self):
+ if self.DebugInfos == []:
+ self.get_debug_info()
+
+ for debug_info in self.DebugInfos:
+ if debug_info[2] == EfiFileSection.EFI_SECTION_TE:
+ section = EfiSectionTE(self.ec, debug_info[0] + 0x4)
+ elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:
+ section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)
+ else:
+ continue
+
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
--- /dev/null
+#
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+#
+# 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.
+#
+
+from arm_ds.debugger_v1 import DebugException
+
+import firmware_volume
+import struct
+
+class DebugInfoTable:
+ CONST_DEBUG_INFO_TABLE_GUID = ( 0x49152E77L, 0x47641ADAL, 0xFE7AA2B7L, 0x8B5ED9FEL)
+
+ DebugInfos = []
+
+ def __init__(self, ec, debug_info_table_header_offset):
+ self.ec = ec
+ self.base = debug_info_table_header_offset
+
+ def get_debug_info(self):
+ count = self.ec.getMemoryService().readMemory32(self.base + 0x4)
+ debug_info_table_base = self.ec.getMemoryService().readMemory32(self.base + 0x8)
+
+ self.DebugInfos = []
+
+ for i in range(0, count):
+ # Get the address of the structure EFI_DEBUG_IMAGE_INFO
+ debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 4))
+ if debug_info:
+ debug_info_type = self.ec.getMemoryService().readMemory32(debug_info)
+ # Normal Debug Info Type
+ if debug_info_type == 1:
+ # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL
+ loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x4)
+
+ image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x20)
+ image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x28)
+
+ self.DebugInfos.append((image_base,image_size))
+
+ # Return (base, size)
+ def load_symbols_at(self, addr):
+ if self.DebugInfos == []:
+ self.get_debug_info()
+
+ found = False
+ for debug_info in self.DebugInfos:
+ if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):
+ section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
+
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
+
+ found = True
+ return debug_info
+
+ if found == False:
+ raise Exception('DebugInfoTable','No symbol found at 0x%x' % addr)
+
+ def load_all_symbols(self):
+ if self.DebugInfos == []:
+ self.get_debug_info()
+
+ for debug_info in self.DebugInfos:
+ section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
+
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
+
+ def dump(self):
+ self.get_debug_info()
+ for debug_info in self.DebugInfos:
+ base_pe32 = debug_info[0]
+ section = firmware_volume.EfiSectionPE32(self.ec, base_pe32)
+ print section.get_debug_filepath()
+
+class SystemTable:
+ CONST_ST_SIGNATURE = ('I','B','I',' ','S','Y','S','T')
+
+ def __init__(self, ec, membase, memsize):
+ self.membase = membase
+ self.memsize = memsize
+ self.ec = ec
+
+ found = False
+
+ # Start from the top of the memory
+ offset = self.membase + self.memsize
+ # Align to highest 4MB boundary
+ offset = offset & ~0x3FFFFF
+ # We should not have a System Table at the top of the System Memory
+ offset = offset - 0x400000
+
+ # Start at top and look on 4MB boundaries for system table ptr structure
+ while offset > self.membase:
+ try:
+ signature = struct.unpack("cccccccc", self.ec.getMemoryService().read(str(offset), 8, 32))
+ except DebugException:
+ raise Exception('SystemTable','Fail to access System Memory. Ensure all the memory in the region [0x%x;0x%X] is accessible.' % (membase,membase+memsize))
+ if signature == SystemTable.CONST_ST_SIGNATURE:
+ found = True
+ self.system_table_base = self.ec.getMemoryService().readMemory32(offset + 0x8)
+ break
+ offset = offset - 0x400000
+
+ if not found:
+ raise Exception('SystemTable','System Table not found in System Memory [0x%x;0x%X]' % (membase,membase+memsize))
+
+ def get_configuration_table(self, conf_table_guid):
+ # Number of configuration Table entry
+ conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x40)
+
+ # Get location of the Configuration Table entries
+ conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x44)
+
+ for i in range(0, conf_table_entry_count):
+ offset = conf_table_offset + (i * 0x14)
+ guid = struct.unpack("<IIII", self.ec.getMemoryService().read(str(offset), 16, 32))
+ if guid == conf_table_guid:
+ return self.ec.getMemoryService().readMemory32(offset + 0x10)
+
+ raise Exception('SystemTable','Configuration Table not found')
projects / mirror_edk2.git / commitdiff