ARM Packages: Fixed line endings
This large code change only modifies the line endings to be CRLF to be compliant with the EDK2 coding convention document. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14088 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
@@ -1,54 +1,54 @@
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#
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# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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import re
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class BuildReport:
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PCDs = {}
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def parse_platform_summary(self, file):
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pass
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def parse_pcd_report(self, report_file):
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pcd_reg = re.compile(" (\*P|\*F|\*M| ) (\w+)(\ +)\: (.*) \((\w+)\) = (.*)\n")
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for line in report_file.xreadlines():
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stripped_line = line.strip()
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if re.match("\<=+\>", stripped_line):
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return
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elif re.match("g.*Guid", stripped_line):
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guid = stripped_line
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self.PCDs[guid] = {}
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else:
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m = pcd_reg.match(line)
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if m:
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self.PCDs[guid][m.group(2)] = (m.group(6).strip(),m.group(5))
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def parse_firmware_device(self, file):
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pass
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def parse_module_summary(self, file):
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#print "Module Summary"
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pass
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CONST_SECTION_HEADERS = [('Platform Summary', parse_platform_summary),
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('Platform Configuration Database Report',parse_pcd_report),
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('Firmware Device (FD)',parse_firmware_device),
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('Module Summary',parse_module_summary)]
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def __init__(self, filename = 'report.log'):
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report_file = open(filename, 'r')
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for line in report_file.xreadlines():
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for section_header in BuildReport.CONST_SECTION_HEADERS:
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if line.strip() == section_header[0]:
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section_header[1](self, report_file)
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#print self.PCDs
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#
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# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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import re
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class BuildReport:
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PCDs = {}
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def parse_platform_summary(self, file):
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pass
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def parse_pcd_report(self, report_file):
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pcd_reg = re.compile(" (\*P|\*F|\*M| ) (\w+)(\ +)\: (.*) \((\w+)\) = (.*)\n")
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for line in report_file.xreadlines():
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stripped_line = line.strip()
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if re.match("\<=+\>", stripped_line):
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return
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elif re.match("g.*Guid", stripped_line):
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guid = stripped_line
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self.PCDs[guid] = {}
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else:
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m = pcd_reg.match(line)
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if m:
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self.PCDs[guid][m.group(2)] = (m.group(6).strip(),m.group(5))
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def parse_firmware_device(self, file):
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pass
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def parse_module_summary(self, file):
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#print "Module Summary"
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pass
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CONST_SECTION_HEADERS = [('Platform Summary', parse_platform_summary),
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('Platform Configuration Database Report',parse_pcd_report),
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('Firmware Device (FD)',parse_firmware_device),
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('Module Summary',parse_module_summary)]
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def __init__(self, filename = 'report.log'):
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report_file = open(filename, 'r')
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for line in report_file.xreadlines():
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for section_header in BuildReport.CONST_SECTION_HEADERS:
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if line.strip() == section_header[0]:
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section_header[1](self, report_file)
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#print self.PCDs
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@@ -1,217 +1,217 @@
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#
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# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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import os
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import firmware_volume
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import build_report
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import system_table
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# Reload external classes
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reload(firmware_volume)
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reload(build_report)
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reload(system_table)
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def readMem32(executionContext, address):
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bytes = executionContext.getMemoryService().read(address, 4, 32)
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return struct.unpack('<I',bytes)[0]
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def dump_fv(ec, fv_base, fv_size):
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fv = firmware_volume.FirmwareVolume(ec,
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int(build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0],16),
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int(build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16))
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ffs = fv.get_next_ffs()
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while ffs != None:
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print "# %s" % ffs
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section = ffs.get_next_section()
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while section != None:
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print "\t%s" % section
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try:
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print "\t\t- %s" % section.get_debug_filepath()
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except Exception:
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pass
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section = ffs.get_next_section(section)
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ffs = fv.get_next_ffs(ffs)
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def dump_system_table(ec, mem_base, mem_size):
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st = system_table.SystemTable(ec, mem_base, mem_size)
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debug_info_table_base = st.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
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debug_info_table = system_table.DebugInfoTable(ec, debug_info_table_base)
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debug_info_table.dump()
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def load_symbol_from_file(ec, filename, address):
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try:
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ec.getImageService().addSymbols(filename, address)
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except:
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try:
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# We could get an exception if the symbols are already loaded
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ec.getImageService().unloadSymbols(filename)
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ec.getImageService().addSymbols(filename, address)
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except:
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print "Warning: not possible to load symbols from %s" % filename
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pass
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class ArmPlatform:
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def __init__(self, sysmembase=None, sysmemsize=None, fvs={}):
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self.sysmembase = sysmembase
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self.sysmemsize = sysmemsize
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self.fvs = fvs
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class ArmPlatformDebugger:
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system_table = None
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firmware_volumes = {}
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REGION_TYPE_SYSMEM = 1
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REGION_TYPE_ROM = 2
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REGION_TYPE_FV = 3
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def __init__(self, ec, report_log, regions):
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self.ec = ec
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fvs = []
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sysmem_base = None
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sysmem_size = None
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if report_log and os.path.isfile(report_log):
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try:
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self.build = build_report.BuildReport(report_log)
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except IOError:
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raise IOError(2, 'Report \'%s\' isnot valid' % report_log)
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# Generate list of supported Firmware Volumes
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if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16) != 0:
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fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16)))
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if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdSecureFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvSize'][0],16) != 0:
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fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSecureFvSize'][0],16)))
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if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdHypFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvSize'][0],16) != 0:
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fvs.append((int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvBaseAddress'][0],16),int(self.build.PCDs['gArmTokenSpaceGuid']['PcdHypFvSize'][0],16)))
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sysmem_base = int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSystemMemoryBase'][0],16)
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sysmem_size = int(self.build.PCDs['gArmTokenSpaceGuid']['PcdSystemMemorySize'][0],16)
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else:
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for region in regions:
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if region[0] == ArmPlatformDebugger.REGION_TYPE_SYSMEM:
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sysmem_base = region[1]
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sysmem_size = region[2]
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elif region[0] == ArmPlatformDebugger.REGION_TYPE_FV:
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fvs.append((region[1],region[2]))
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elif region[0] == ArmPlatformDebugger.REGION_TYPE_ROM:
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for base in xrange(region[1], region[1] + region[2], 0x400000):
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signature = struct.unpack("cccc", self.ec.getMemoryService().read(base, 4, 32))
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if signature == FirmwareVolume.CONST_FV_SIGNATURE:
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fvs.append((base,0))
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else:
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print "Region type '%d' Not Supported" % region[0]
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self.platform = ArmPlatform(sysmem_base, sysmem_size, fvs)
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def in_sysmem(self, addr):
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return (self.platform.sysmembase is not None) and (self.platform.sysmembase <= addr) and (addr < self.platform.sysmembase + self.platform.sysmemsize)
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def in_fv(self, addr):
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return (self.get_fv_at(addr) != None)
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def get_fv_at(self, addr):
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for fv in self.platform.fvs:
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if (fv[0] <= addr) and (addr < fv[0] + fv[1]):
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return fv
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return None
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def load_current_symbols(self):
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pc = int(self.ec.getRegisterService().getValue('PC')) & 0xFFFFFFFF
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if self.in_fv(pc):
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debug_infos = []
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(fv_base, fv_size) = self.get_fv_at(pc)
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if self.firmware_volumes.has_key(fv_base) == False:
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self.firmware_volumes[fv_base] = firmware_volume.FirmwareVolume(self.ec, fv_base, fv_size)
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stack_frame = self.ec.getTopLevelStackFrame()
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info = self.firmware_volumes[fv_base].load_symbols_at(int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF)
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debug_infos.append(info)
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while stack_frame.next() is not None:
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stack_frame = stack_frame.next()
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# Stack frame attached to 'PC'
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pc = int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF
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# Check if the symbols for this stack frame have already been loaded
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found = False
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for debug_info in debug_infos:
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if (pc >= debug_info[0]) and (pc < debug_info[0] + debug_info[1]):
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found = True
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if found == False:
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info = self.firmware_volumes[fv_base].load_symbols_at(pc)
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debug_infos.append(info)
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#self.firmware_volumes[fv_base].load_symbols_at(pc)
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elif self.in_sysmem(pc):
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debug_infos = []
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if self.system_table is None:
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# Find the System Table
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self.system_table = system_table.SystemTable(self.ec, self.platform.sysmembase, self.platform.sysmemsize)
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# Find the Debug Info Table
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debug_info_table_base = self.system_table.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
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self.debug_info_table = system_table.DebugInfoTable(self.ec, debug_info_table_base)
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stack_frame = self.ec.getTopLevelStackFrame()
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info = self.debug_info_table.load_symbols_at(int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF)
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debug_infos.append(info)
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while stack_frame.next() is not None:
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stack_frame = stack_frame.next()
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# Stack frame attached to 'PC'
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pc = int(stack_frame.getRegisterService().getValue('PC')) & 0xFFFFFFFF
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# Check if the symbols for this stack frame have already been loaded
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found = False
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for debug_info in debug_infos:
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if (pc >= debug_info[0]) and (pc < debug_info[0] + debug_info[1]):
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found = True
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if found == False:
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info = self.debug_info_table.load_symbols_at(pc)
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debug_infos.append(info)
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#self.debug_info_table.load_symbols_at(pc)
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else:
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raise Exception('ArmPlatformDebugger', "Not supported region")
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def load_all_symbols(self):
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# Load all the XIP symbols attached to the Firmware Volume
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for (fv_base, fv_size) in self.platform.fvs:
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if self.firmware_volumes.has_key(fv_base) == False:
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self.firmware_volumes[fv_base] = firmware_volume.FirmwareVolume(self.ec, fv_base, fv_size)
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self.firmware_volumes[fv_base].load_all_symbols()
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try:
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# Load all symbols of module loaded into System Memory
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if self.system_table is None:
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# Find the System Table
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self.system_table = system_table.SystemTable(self.ec, self.platform.sysmembase, self.platform.sysmemsize)
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# Find the Debug Info Table
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debug_info_table_base = self.system_table.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
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self.debug_info_table = system_table.DebugInfoTable(self.ec, debug_info_table_base)
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self.debug_info_table.load_all_symbols()
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except:
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# Debugger exception could be excepted if DRAM has not been initialized or if we have not started to run from DRAM yet
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print "Note: no symbols have been found in System Memory (possible cause: the UEFI permanent memory has been installed yet)"
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pass
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#
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# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
|
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# which accompanies this distribution. The full text of the license may be found at
|
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# http://opensource.org/licenses/bsd-license.php
|
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#
|
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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import os
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import firmware_volume
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import build_report
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import system_table
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# Reload external classes
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reload(firmware_volume)
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reload(build_report)
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reload(system_table)
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def readMem32(executionContext, address):
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bytes = executionContext.getMemoryService().read(address, 4, 32)
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return struct.unpack('<I',bytes)[0]
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def dump_fv(ec, fv_base, fv_size):
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fv = firmware_volume.FirmwareVolume(ec,
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int(build.PCDs['gArmTokenSpaceGuid']['PcdFvBaseAddress'][0],16),
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int(build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16))
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ffs = fv.get_next_ffs()
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while ffs != None:
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print "# %s" % ffs
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section = ffs.get_next_section()
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while section != None:
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print "\t%s" % section
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try:
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print "\t\t- %s" % section.get_debug_filepath()
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except Exception:
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pass
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section = ffs.get_next_section(section)
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ffs = fv.get_next_ffs(ffs)
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def dump_system_table(ec, mem_base, mem_size):
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st = system_table.SystemTable(ec, mem_base, mem_size)
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debug_info_table_base = st.get_configuration_table(system_table.DebugInfoTable.CONST_DEBUG_INFO_TABLE_GUID)
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debug_info_table = system_table.DebugInfoTable(ec, debug_info_table_base)
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debug_info_table.dump()
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def load_symbol_from_file(ec, filename, address):
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try:
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ec.getImageService().addSymbols(filename, address)
|
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except:
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try:
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# We could get an exception if the symbols are already loaded
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ec.getImageService().unloadSymbols(filename)
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ec.getImageService().addSymbols(filename, address)
|
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except:
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print "Warning: not possible to load symbols from %s" % filename
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pass
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class ArmPlatform:
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def __init__(self, sysmembase=None, sysmemsize=None, fvs={}):
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self.sysmembase = sysmembase
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self.sysmemsize = sysmemsize
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self.fvs = fvs
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class ArmPlatformDebugger:
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system_table = None
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firmware_volumes = {}
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REGION_TYPE_SYSMEM = 1
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REGION_TYPE_ROM = 2
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REGION_TYPE_FV = 3
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def __init__(self, ec, report_log, regions):
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self.ec = ec
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fvs = []
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sysmem_base = None
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sysmem_size = None
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|
||||
if report_log and os.path.isfile(report_log):
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try:
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self.build = build_report.BuildReport(report_log)
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||||
except IOError:
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raise IOError(2, 'Report \'%s\' isnot valid' % report_log)
|
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|
||||
# Generate list of supported Firmware Volumes
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||||
if self.build.PCDs['gArmTokenSpaceGuid'].has_key('PcdFvSize') and int(self.build.PCDs['gArmTokenSpaceGuid']['PcdFvSize'][0],16) != 0:
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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
|
||||
|
||||
@@ -1,301 +1,301 @@
|
||||
#
|
||||
# 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
|
||||
|
||||
import edk2_debugger
|
||||
|
||||
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())
|
||||
#
|
||||
# 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
|
||||
|
||||
import edk2_debugger
|
||||
|
||||
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())
|
||||
|
||||
@@ -1,129 +1,129 @@
|
||||
#
|
||||
# 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 edk2_debugger
|
||||
import firmware_volume
|
||||
|
||||
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')
|
||||
#
|
||||
# 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 edk2_debugger
|
||||
import firmware_volume
|
||||
|
||||
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')
|
||||
|
||||
Reference in New Issue
Block a user