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-rw-r--r--ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py18
-rw-r--r--ArmPlatformPkg/Scripts/Ds5/firmware_volume.py49
-rw-r--r--ArmPlatformPkg/Scripts/Ds5/system_table.py65
3 files changed, 107 insertions, 25 deletions
diff --git a/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py b/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py
index 4867af1..b6108d6 100644
--- a/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py
+++ b/ArmPlatformPkg/Scripts/Ds5/edk2_debugger.py
@@ -66,7 +66,15 @@ def load_symbol_from_file(ec, filename, address, verbose = False):
ec.getImageService().addSymbols(filename, address)
except:
print "Warning: not possible to load symbols from %s at 0x%x" % (filename, address)
- pass
+
+def is_aarch64(ec):
+ success = True
+ try:
+ # Try to access a Aarch64 specific register
+ ec.getRegisterService().getValue('X0')
+ except:
+ success = False
+ return success
class ArmPlatform:
def __init__(self, sysmembase=None, sysmemsize=None, fvs={}):
@@ -189,8 +197,11 @@ class ArmPlatformDebugger:
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)
+ try:
+ info = self.debug_info_table.load_symbols_at(pc)
+ debug_infos.append(info)
+ except:
+ pass
#self.debug_info_table.load_symbols_at(pc)
else:
@@ -218,4 +229,3 @@ class ArmPlatformDebugger:
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
index 651c748..cd6f34a 100644
--- a/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py
+++ b/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py
@@ -140,8 +140,53 @@ class EfiSectionPE32:
if (base_of_code < base_of_data) and (base_of_code != 0):
return base_of_code
else:
- return base_of_data
+ return base_of_data
+
+class EfiSectionPE64:
+ def __init__(self, ec, base_pe64):
+ self.ec = ec
+ self.base_pe64 = base_pe64
+
+ def get_debug_filepath(self):
+ # Offset from dos hdr to PE file hdr (EFI_IMAGE_NT_HEADERS64)
+ #file_header_offset = self.ec.getMemoryService().readMemory32(self.base_pe64 + 0x3C)
+ file_header_offset = 0x0
+
+ # Offset to debug dir in PE hdrs
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_pe64 + file_header_offset + 0x138)
+ if debug_dir_entry_rva == 0:
+ raise Exception("EfiFileSectionPE64","No Debug Directory")
+
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_pe64 + debug_dir_entry_rva + 0xC)
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
+ raise Exception("EfiFileSectionPE64","Debug type is not dwarf")
+
+
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_pe64 + debug_dir_entry_rva + 0x14)
+
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(str(self.base_pe64 + debug_rva), 4, 32))
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
+ raise Exception("EfiFileSectionPE64","Dwarf debug signature not found")
+ if dwarf_sig == 0x66727764:
+ filename = self.base_pe64 + debug_rva + 0xc
+ else:
+ filename = self.base_pe64 + 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_pe64 + self.ec.getMemoryService().readMemory32(self.base_pe64 + 0x3C)
+
+ base_of_code = self.base_pe64 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x28)
+ base_of_data = self.base_pe64 + 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
@@ -287,7 +332,6 @@ class FirmwareVolume:
except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
return debug_info
@@ -308,5 +352,4 @@ class FirmwareVolume:
except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
diff --git a/ArmPlatformPkg/Scripts/Ds5/system_table.py b/ArmPlatformPkg/Scripts/Ds5/system_table.py
index 3e7f6ab..2128e25 100644
--- a/ArmPlatformPkg/Scripts/Ds5/system_table.py
+++ b/ArmPlatformPkg/Scripts/Ds5/system_table.py
@@ -27,6 +27,7 @@ class DebugInfoTable:
self.base = debug_info_table_header_offset
def get_debug_info(self):
+ # Get the information from EFI_DEBUG_IMAGE_INFO_TABLE_HEADER
count = self.ec.getMemoryService().readMemory32(self.base + 0x4)
debug_info_table_base = self.ec.getMemoryService().readMemory32(self.base + 0x8)
@@ -34,16 +35,27 @@ class DebugInfoTable:
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 edk2_debugger.is_aarch64(self.ec):
+ debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 8))
+ else:
+ 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)
+ if edk2_debugger.is_aarch64(self.ec):
+ # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL
+ loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x8)
+
+ image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x40)
+ image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x48)
+ else:
+ # 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))
@@ -55,14 +67,16 @@ class DebugInfoTable:
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])
+ if edk2_debugger.is_aarch64(self.ec):
+ section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])
+ else:
+ section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
try:
edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)
except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
found = True
return debug_info
@@ -75,20 +89,25 @@ class DebugInfoTable:
self.get_debug_info()
for debug_info in self.DebugInfos:
- section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
-
+ if edk2_debugger.is_aarch64(self.ec):
+ section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])
+ else:
+ section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
+
try:
edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)
except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
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)
+ if edk2_debugger.is_aarch64(self.ec):
+ section = firmware_volume.EfiSectionPE64(self.ec, base_pe32)
+ else:
+ section = firmware_volume.EfiSectionPE32(self.ec, base_pe32)
print section.get_debug_filepath()
class SystemTable:
@@ -124,14 +143,24 @@ class SystemTable:
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)
+ if edk2_debugger.is_aarch64(self.ec):
+ # Number of configuration Table entry
+ conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x68)
+
+ # Get location of the Configuration Table entries
+ conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x70)
+ else:
+ # 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)
+ if edk2_debugger.is_aarch64(self.ec):
+ offset = conf_table_offset + (i * 0x18)
+ else:
+ 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)
generated by cgit v1.1 at 2024-11-13 19:06:03 +0000