diff --git a/ArmPlatformPkg/Scripts/Ds5/build_report.py b/ArmPlatformPkg/Scripts/Ds5/build_report.py new file mode 100644 index 0000000000..3805c0b43b --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/build_report.py @@ -0,0 +1,54 @@ +# +# 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 diff --git a/ArmPlatformPkg/Scripts/Ds5/cmd_load_symbols.py b/ArmPlatformPkg/Scripts/Ds5/cmd_load_symbols.py new file mode 100644 index 0000000000..424eb63cbb --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/cmd_load_symbols.py @@ -0,0 +1,100 @@ +# +# 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 Debugger +from arm_ds.debugger_v1 import DebugException + +import re, sys, getopt + +import edk2_debugger + +# Reload external classes +reload(edk2_debugger) + +def usage(): + print "-a,--all: Load all symbols" + print "-l,--report=: Filename for the EDK2 report log" + print "-m,--sysmem=(base,size): System Memory region" + print "-f,--fv=(base,size): Firmware region" + print "-r,--rom=(base,size): ROM region" + +load_all = False +report_file = None +regions = [] +opts,args = getopt.getopt(sys.argv[1:], "har:vm:vr:vf:v", ["help","all","report=","sysmem=","rom=","fv="]) +if (opts is None) or (not opts): + report_file = '../../../report.log' +else: + region_reg = re.compile("\((.*),(.*)\)") + base_reg = re.compile("(.*)") + + for o,a in opts: + region_type = None + regex = None + m = None + if o in ("-h","--help"): + usage() + sys.exit() + elif o in ("-a","--all"): + load_all = True + elif o in ("-l","--report"): + report_file = a + elif o in ("-m","--sysmem"): + region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_SYSMEM + regex = region_reg + elif o in ("-f","--fv"): + region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_FV + regex = region_reg + elif o in ("-r","--rom"): + region_type = edk2_debugger.ArmPlatformDebugger.REGION_TYPE_ROM + regex = region_reg + else: + assert False, "Unhandled option" + + if region_type: + m = regex.match(a) + if m: + if regex.groups == 1: + regions.append((region_type,int(m.group(1),0),0)) + else: + regions.append((region_type,int(m.group(1),0),int(m.group(2),0))) + else: + if regex.groups == 1: + raise Exception('cmd_load_symbols', "Expect a base address") + else: + raise Exception('cmd_load_symbols', "Expect a region format as (base,size)") + +# Debugger object for accessing the debugger +debugger = Debugger() + +# Initialisation commands +ec = debugger.getExecutionContext(0) +ec.getExecutionService().stop() +ec.getExecutionService().waitForStop() +# in case the execution context reference is out of date +ec = debugger.getExecutionContext(0) + +armplatform_debugger = edk2_debugger.ArmPlatformDebugger(ec, report_file, regions) + +try: + armplatform_debugger = edk2_debugger.ArmPlatformDebugger(ec, report_file, regions) + + if load_all: + armplatform_debugger.load_all_symbols() + else: + armplatform_debugger.load_current_symbols() +except IOError, (ErrorNumber, ErrorMessage): + print "Error: %s" % ErrorMessage +except Exception, (ErrorClass, ErrorMessage): + print "Error(%s): %s" % (ErrorClass, ErrorMessage) +except DebugException, de: + print "DebugError: %s" % (de.getMessage()) diff --git a/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py b/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py new file mode 100644 index 0000000000..f922a7283e --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py @@ -0,0 +1,212 @@ +# +# 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('= 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 diff --git a/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py b/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py new file mode 100644 index 0000000000..01f8597e5f --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py @@ -0,0 +1,299 @@ +# +# 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(">= 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()) diff --git a/ArmPlatformPkg/Scripts/Ds5/system_table.py b/ArmPlatformPkg/Scripts/Ds5/system_table.py new file mode 100644 index 0000000000..f74554fa65 --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/system_table.py @@ -0,0 +1,127 @@ +# +# 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("