replace common qcom sources with samsung ones
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SaschaNes
176
qcom/opensource/tools/minidump/minidump.py
Executable file
176
qcom/opensource/tools/minidump/minidump.py
Executable file
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# Copyright (c) 2021 The Linux Foundation. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 and
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# only version 2 as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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import sys
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import os
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import getopt
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import re
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import string
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import struct
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class minidump():
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out_folder = '.'
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out_file = None
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def print_output(self, string):
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self.out_file.write(string + "\n")
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def open_file(self, name, op):
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path = os.path.join(self.out_folder, name)
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self.out_file = open(path, op)
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return self.out_file
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def split_rawdump(self, rawdump, option='file'):
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head = "<8sIIQ8sIQQI";
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head_size = struct.calcsize(head)
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section_head = "<IIIQQQQ20s";
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section_head_size = struct.calcsize(section_head)
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print("headsize:%d %d" % (head_size, section_head_size))
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filename = os.path.join("", rawdump)
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if not os.path.exists(filename):
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print ("rawdump not exist")
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return False
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f = open(filename, "rb")
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head_buf = f.read(head_size)
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(sig, version, valid, data, context, reset_trigger, dump_size, total_size, sections_count) = struct.unpack_from(head, head_buf, 0)
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if sig != b'Raw_Dmp!':
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print ("rawdump signal is not Raw_Dmp!")
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return False
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if valid != 1:
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if valid == 2:
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print ("Ramdump not complete: no space was left on device during the dump operation.")
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print ("This usually happens when a full dump is set to be written to a rawdump partion.")
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print ("Please check if the value of /sys/kernel/dload/dload_mode is set to 'mini'.")
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else:
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print ("Valid tag not set!")
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return False
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count = 0
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section_list = []
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file_list ={}
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while count < sections_count:
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section_buf = f.read(section_head_size)
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section_list.append(section_buf)
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count += 1
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if option == 'list':
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print ("File list in rawdump:")
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print("name, section_offset, paddr, section_size, section_type, valid, version")
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elif option == 'split':
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print("Split rawdump %s to seperate file to %s ..." % (rawdump, self.out_folder))
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print("sig:\t%s\nversion:\t%d\nvalid:\t%d\ndata:\t0x%lx\ncontext:\t%s\nreset_trigger:\t%x\ndump_size:\t0x%lx\nTotal Size:\t0x%lx\nSection Count:\t%d\n"
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% (sig, version, valid, data, context, reset_trigger, dump_size, total_size, sections_count))
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for i, one_section in enumerate(section_list):
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valid, version, section_type, section_offset, section_size, paddr, info, name = struct.unpack_from(section_head, one_section, 0)
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name = name.decode().strip('\0')
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file_list[name] = {}
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file_list[name]['size'] = section_size
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file_list[name]['paddr'] = paddr
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if name == 'load.cmm':
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f.seek(section_offset)
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cmmbuf = f.read(section_size)
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if option == 'list':
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print("%s\t0x%x\t0x%x\t0x%x\t%d %d %d " % (name, section_offset, paddr, section_size, section_type, valid, version ))
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continue
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if option == 'split' or name.startswith('md_K'):
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print ("Writing %s @0x%x len:0x%x ..." % (name, section_offset, section_size))
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fout = self.open_file(name, "wb")
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f.seek(section_offset)
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allread = 0
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block_size = 0x100000 * 10
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left = section_size
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size = block_size if left > block_size else left
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while left > 0:
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buf = f.read(size)
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fout.write(buf)
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allread += size
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left -= size
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if allread % (block_size * 20) == 0:
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print(("%d MB ") % (allread / 1024 / 1024))
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size = block_size if left > block_size else left
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fout.close()
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f.close()
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# filename = os.path.join(out_folder, "load.cmm")
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# with open(filename) as f:
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for line in cmmbuf.decode().split('\n'):
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m = re.search("d.load.binary\s+(\S+)\s+([0-9a-fA-FxX]+)", line)
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if m:
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filename = m.group(1)
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base = int(m.group(2), 16)
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file_list[filename]['base'] = base
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if option != 'list':
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f = self.open_file("dump_info.txt", "w")
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else:
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return
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for fname,bs in iter(file_list.items()):
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if 'base' in bs.keys():
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base = bs['base']
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elif 'paddr' in bs.keys():
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base = bs['paddr']
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else:
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base = 0
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f.write("1 0x{:0>16x}\t{:0>16}\t{:<20}\t{}\r\n".format( base, bs['size'], fname, fname))
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if option != 'list':
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f.close()
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return True
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def __init__(self, out_folder):
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if not os.path.isdir(out_folder):
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os.mkdir(out_folder)
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self.out_folder = out_folder
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def help():
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print (" minidump tool v1.1")
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print ("%s [-s|-l|-c|-d|-m|-k] <rawdump> [out_folder] " % sys.argv[0])
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print (" -l list files in sbldump.bin")
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print (" -s split to seperate files")
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if __name__=='__main__':
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try:
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opts, args = getopt.gnu_getopt(sys.argv[1:], "ls")
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except getopt.GetoptError:
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print ("please check usage")
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help()
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sys.exit(-1)
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if len(args) > 0:
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rawdump = args[0]
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if len(args) > 1:
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out_folder = args[1]
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else:
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out_folder = "."
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else:
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help()
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sys.exit(-1)
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mdump = minidump(out_folder)
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option = 'file'
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for opt, val in opts:
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if opt=="-l":
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option = 'list'
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break;
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if opt=="-s":
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option = 'split'
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break;
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mdump.split_rawdump(rawdump, option)
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