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authorT Michael Turney <mturney@codeaurora.org>2018-05-01 15:59:37 -0700
committerJulius Werner <jwerner@chromium.org>2019-05-03 21:59:05 +0000
commit101098c41a047184e3eceabca2c1baa11141f36e (patch)
treeb6fcf8f46131e4e8fc28554e0c79eda984bb7fca /util/ipqheader/createxbl.py
parent61309e39b3c4545f47c9107a0e0ddaedef854505 (diff)
sdm845: Combine BB with QC-Sec for ROM boot
TEST=build & run Change-Id: I222a56f1c9b74856a1e1ff8132bab5e041672c5d Signed-off-by: T Michael Turney <mturney@codeaurora.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/25207 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'util/ipqheader/createxbl.py')
-rwxr-xr-xutil/ipqheader/createxbl.py714
1 files changed, 0 insertions, 714 deletions
diff --git a/util/ipqheader/createxbl.py b/util/ipqheader/createxbl.py
deleted file mode 100755
index 1efd8bac0c..0000000000
--- a/util/ipqheader/createxbl.py
+++ /dev/null
@@ -1,714 +0,0 @@
-#!/usr/bin/env python2
-#============================================================================
-#
-#/** @file createxbl.py
-#
-# GENERAL DESCRIPTION
-# Concatentates XBL segments into one ELF image
-#
-# Copyright (c) 2016, The Linux Foundation. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials provided
-# with the distribution.
-# * Neither the name of The Linux Foundation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
-# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
-# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-#**/
-#
-#----------------------------------------------------------------------------
-#
-# EDIT HISTORY FOR FILE
-#
-# This section contains comments describing changes made to the module.
-# Notice that changes are listed in reverse chronological order.
-#
-# when who what, where, why
-# -------- --- ------------------------------------------------------
-# 09/04/15 et Added -x and -d to embed xbl_sec ELF
-# 02/11/15 ck Fixed missing elf type check in ZI OOB feature
-# 11/04/14 ck Updated calls to mbn_tools functions
-# 10/22/14 ck Added -z option to remove out of bounds ZI segments when converting from 64 to 32
-# 10/10/14 ck Added -c option and logic to enable elf type swapping
-# 09/12/14 ck Added single file logic
-# 08/29/14 ck Added no_hash option
-# 08/29/14 ck Refactored to use proper python arguments and cleaned code
-# 06/16/14 niting xbl.mbn to xbl.elf
-# 05/28/14 niting Initial revision
-#
-#============================================================================
-from optparse import OptionParser
-import os
-import sys
-import shutil
-import mbn_tools
-
-PAGE_SIZE = 4096
-SEGMENT_ALIGN = 16
-ELF32_HDR_SIZE = 52
-ELF32_PHDR_SIZE = 32
-ELF64_HDR_SIZE = 64
-ELF64_PHDR_SIZE = 56
-
-
-##############################################################################
-# main
-##############################################################################
-def main():
- parser = OptionParser(usage='usage: %prog [options] arguments')
-
- parser.add_option("-f", "--first_filepath",
- action="store", type="string", dest="elf_inp_file1",
- help="First ELF file to merge.")
-
- parser.add_option("-s", "--second_filepath",
- action="store", type="string", dest="elf_inp_file2",
- help="Second ELF file to merge.")
-
- parser.add_option("-x", "--xbl_sec_filepath",
- action="store", type="string", dest="elf_inp_xbl_sec",
- help="Second ELF file to merge.")
-
- parser.add_option("-o", "--output_filepath",
- action="store", type="string", dest="binary_out",
- help="Merged filename and path.")
-
- parser.add_option("-a", "--first_elf_arch",
- action="store", type="string", dest="elf_1_arch",
- help="First (and output) ELF file architecture. '32' or '64'")
-
- parser.add_option("-b", "--second_elf_arch",
- action="store", type="string", dest="elf_2_arch",
- help="Second ELF file architecture. '32' or '64'")
-
- parser.add_option("-d", "--xbl_sec_elf_arch",
- action="store", type="string", dest="elf_xbl_sec_arch",
- help="xbl_sec file architecture. '32' or '64'")
-
- parser.add_option("-c", "--output_elf_arch",
- action="store", type="string", dest="elf_out_arch",
- help="Output ELF file architecture. '32' or '64'" + \
- " If not given defaults to first file arch.")
-
- parser.add_option("-n", "--no_hash",
- action="store_true", dest="hash_image",
- help="Disables hashing of image after merging.")
-
- parser.add_option("-z", "--zi_out_of_bounds",
- action="store_true", dest="zi_oob",
- help="Removes ZI segments that have addresses greater" + \
- " than 32 bits when converting from a 64 to 32 bit ELF")
-
-
- (options, args) = parser.parse_args()
- if not options.elf_inp_file1:
- parser.error('First ELF filename not given')
-
- if not options.binary_out:
- parser.error('Output filename not given')
-
- if not options.elf_1_arch:
- parser.error('First ELF architecture not given')
-
- if (not options.elf_1_arch == '64') and (not options.elf_1_arch == '32'):
- parser.error('Invalid First ELF architecture given')
-
- # Only evaluate elf_2_arch if two files are given for merging
- if options.elf_inp_file2:
- if (not options.elf_2_arch == '64') and (not options.elf_2_arch == '32'):
- parser.error('Invalid Second ELF architecture given')
-
- # Only evaluate elf_xbl_sec_arch if file is given
- if options.elf_inp_xbl_sec:
- if (not options.elf_xbl_sec_arch == '64') and (not options.elf_xbl_sec_arch == '32'):
- parser.error('Invalid xbl_sec ELF architecture given')
-
- # If output file architecture is given ensure it is either '32' or '64'
- if options.elf_out_arch:
- if (not options.elf_out_arch == '64') and (not options.elf_out_arch == '32'):
- parser.error('Invalid Output ELF architecture given')
-
-
- gen_dict = {}
-
- elf_inp_file1 = options.elf_inp_file1
-
- # It is valid for only one file to be "merged". This essentially just
- # strips off the section names. If second file name is not given then
- # set elf_inp_file2 to ""
- if options.elf_inp_file2:
- elf_inp_file2 = options.elf_inp_file2
- else:
- elf_inp_file2 = ""
-
- # Do same for xbl_sec
- elf_inp_xbl_sec = options.elf_inp_xbl_sec if options.elf_inp_xbl_sec else ""
-
- binary_out = options.binary_out
-
- if options.elf_1_arch == '64':
- is_elf1_64_bit = True
- else:
- is_elf1_64_bit = False
-
- # If second filename is not given then set is_elf2_64_bit to false so it
- # can be passed even though it is not used.
- if options.elf_inp_file2:
- if options.elf_2_arch == '64':
- is_elf2_64_bit = True
- else:
- is_elf2_64_bit = False
- else:
- is_elf2_64_bit = False
-
- if options.elf_inp_xbl_sec:
- if options.elf_xbl_sec_arch == '64':
- is_elf_xbl_sec_64_bit = True
- else:
- is_elf_xbl_sec_64_bit = False
- else:
- is_elf_xbl_sec_64_bit = False
-
- # If output ELF arch is given then set is_out_elf_64_bit accordingly.
- # If not then default to be input1's setting
- if options.elf_out_arch:
- if options.elf_out_arch == '64':
- is_out_elf_64_bit = True
- else:
- is_out_elf_64_bit = False
- else:
- is_out_elf_64_bit = is_elf1_64_bit
-
-
- # Store ZI Out of Bounds value
- if not options.zi_oob:
- zi_oob_enabled = False
- else:
- zi_oob_enabled = True
-
-
- mbn_type = 'elf'
- header_format = 'reg'
- gen_dict['IMAGE_KEY_IMAGE_ID'] = mbn_tools.ImageType.APPSBL_IMG
- #gen_dict['IMAGE_KEY_IMAGE_SOURCE'] = 0
- #gen_dict['IMAGE_KEY_IMAGE_DEST'] = 0
- gen_dict['IMAGE_KEY_MBN_TYPE'] = mbn_type
- image_header_secflag = 'non_secure'
-
- source_base = os.path.splitext(str(binary_out))[0]
- target_base = os.path.splitext(str(binary_out))[0]
- merged_elf = source_base + "_merged.elf"
- source_elf = source_base + "_nohash.elf"
- target_hash = target_base + ".hash"
- target_hash_hd = target_base + "_hash.hd"
- target_phdr_elf = target_base + "_phdr.pbn"
- target_nonsec = target_base + "_combined_hash.mbn"
-
-
- #print "Input file 1:", elf_inp_file1
- #print "Input file 2:", elf_inp_file2
- #print "Output file:", binary_out
-
- merge_elfs([],
- elf_inp_file1,
- elf_inp_file2,
- elf_inp_xbl_sec,
- merged_elf,
- is_elf1_64_bit,
- is_elf2_64_bit,
- is_elf_xbl_sec_64_bit,
- is_out_elf_64_bit,
- zi_oob_enabled)
-
-
- # Hash the image if user did not explicitly say not to
- if options.hash_image:
- # Just copy the merged elf to the final output name
- shutil.move(merged_elf, binary_out)
- else:
- shutil.copy(merged_elf, source_elf)
-
- # Create hash table
- rv = mbn_tools.pboot_gen_elf([],
- source_elf,
- target_hash,
- elf_out_file_name = target_phdr_elf,
- secure_type = image_header_secflag)
- if rv:
- raise RuntimeError, "Failed to run pboot_gen_elf"
-
- # Create hash table header
- rv = mbn_tools.image_header([],
- gen_dict,
- target_hash,
- target_hash_hd,
- image_header_secflag,
- elf_file_name = source_elf)
- if rv:
- raise RuntimeError, "Failed to create image header for hash segment"
-
- files_to_cat_in_order = [target_hash_hd, target_hash]
- mbn_tools.concat_files (target_nonsec, files_to_cat_in_order)
-
- # Add the hash segment into the ELF
- mbn_tools.pboot_add_hash([],
- target_phdr_elf,
- target_nonsec,
- binary_out)
-
- return
-
-
-##############################################################################
-# roundup
-##############################################################################
-def roundup(x, precision):
- return x if x % precision == 0 else (x + precision - (x % precision))
-
-##############################################################################
-# merge_elfs
-##############################################################################
-def merge_elfs(env,
- elf_in_file_name1,
- elf_in_file_name2,
- elf_in_file_xbl_sec,
- elf_out_file_name,
- is_elf1_64_bit,
- is_elf2_64_bit,
- is_elf_xbl_sec_64_bit,
- is_out_elf_64_bit,
- zi_oob_enabled):
-
- [elf_header1, phdr_table1] = \
- mbn_tools.preprocess_elf_file(elf_in_file_name1)
-
- # Check to make sure second file path exists before using
- if elf_in_file_name2 != "":
- [elf_header2, phdr_table2] = \
- mbn_tools.preprocess_elf_file(elf_in_file_name2)
-
- # Check to make sure xbl_sec file path exists before using
- if elf_in_file_xbl_sec != "":
- [elf_headerxblsec, phdr_tablexblsec] = \
- mbn_tools.preprocess_elf_file(elf_in_file_xbl_sec)
-
- # Open Files
- elf_in_fp1 = mbn_tools.OPEN(elf_in_file_name1, "rb")
- if elf_in_file_name2 != "":
- elf_in_fp2 = mbn_tools.OPEN(elf_in_file_name2, "rb")
- if elf_in_file_xbl_sec != "":
- elf_in_fpxblsec = mbn_tools.OPEN(elf_in_file_xbl_sec, "rb")
-
- if elf_out_file_name is not None:
- elf_out_fp = mbn_tools.OPEN(elf_out_file_name, "wb+")
-
-
- # Calculate the new program header size. This is dependant on the output
- # ELF type and number of program headers going into output.
- if is_out_elf_64_bit:
- phdr_total_size = elf_header1.e_phnum * ELF64_PHDR_SIZE
- phdr_total_count = elf_header1.e_phnum
- else:
- phdr_total_size = elf_header1.e_phnum * ELF32_PHDR_SIZE
- phdr_total_count = elf_header1.e_phnum
-
-
- # This logic only applies if two files are to be merged
- if elf_in_file_name2 != "":
- if is_out_elf_64_bit:
- phdr_total_size += elf_header2.e_phnum * ELF64_PHDR_SIZE
- phdr_total_count += elf_header2.e_phnum
- else:
- phdr_total_size += elf_header2.e_phnum * ELF32_PHDR_SIZE
- phdr_total_count += elf_header2.e_phnum
-
- # Account for xbl_sec header if included
- if elf_in_file_xbl_sec != "":
- phdr_total_count += 1
- if is_out_elf_64_bit:
- phdr_total_size += ELF64_PHDR_SIZE
- else:
- phdr_total_size += ELF32_PHDR_SIZE
-
- # Create a new ELF header for the output file
- if is_out_elf_64_bit:
- out_elf_header = mbn_tools.Elf64_Ehdr('\0' * ELF64_HDR_SIZE)
- out_elf_header.e_phoff = ELF64_HDR_SIZE
- out_elf_header.e_ehsize = ELF64_HDR_SIZE
- out_elf_header.e_phentsize = ELF64_PHDR_SIZE
- out_elf_header.e_machine = 183
- out_elf_header.e_ident = str('\x7f' + 'E' + 'L' + 'F' + \
- '\x02' + \
- '\x01' + \
- '\x01' + \
- '\x00' + \
- '\x00' + \
- ('\x00' * 7))
-
- out_elf_header.e_entry = elf_header1.e_entry
- else:
- out_elf_header = mbn_tools.Elf32_Ehdr('\0' * ELF32_HDR_SIZE)
- out_elf_header.e_phoff = ELF32_HDR_SIZE
- out_elf_header.e_ehsize = ELF32_HDR_SIZE
- out_elf_header.e_phentsize = ELF32_PHDR_SIZE
- out_elf_header.e_machine = 40
- out_elf_header.e_entry = elf_header1.e_entry
- out_elf_header.e_ident = str('\x7f' + 'E' + 'L' + 'F' + \
- '\x01' + \
- '\x01' + \
- '\x01' + \
- '\x00' + \
- '\x00' + \
- ('\x00' * 7))
-
- # Address needs to be verified that it is not greater than 32 bits
- # as it is possible to go from a 64 bit elf to 32.
- if (elf_header1.e_entry > 0xFFFFFFFF):
- print "ERROR: File 1's entry point is too large to convert."
- exit()
- out_elf_header.e_entry = elf_header1.e_entry
-
- # Common header entries
- out_elf_header.e_type = 2
- out_elf_header.e_version = 1
- out_elf_header.e_shoff = 0
- out_elf_header.e_flags = 0
- out_elf_header.e_shentsize = 0
- out_elf_header.e_shnum = 0
- out_elf_header.e_shstrndx = 0
-
-
- # If ZI OOB is enabled then it is possible that a segment could be discarded
- # Scan for that instance and handle before setting e_phnum and writing header
- # Ensure ELF output is 32 bit
- if zi_oob_enabled == True and is_out_elf_64_bit == False:
- for i in range(len(phdr_table1)):
- if (phdr_table1[i].p_vaddr > 0xFFFFFFFF) or \
- (phdr_table1[i].p_paddr > 0xFFFFFFFF):
- if phdr_table1[i].p_filesz == 0:
- phdr_total_count = phdr_total_count - 1
-
- if elf_in_file_name2 != "":
- for i in range(len(phdr_table2)):
- if (phdr_table2[i].p_vaddr > 0xFFFFFFFF) or \
- (phdr_table2[i].p_paddr > 0xFFFFFFFF):
- if phdr_table2[i].p_filesz == 0:
- phdr_total_count = phdr_total_count - 1
- # Do not include xbl_sec in above calculation
- # xbl_sec is to be treated as a single blob
-
-
- # Now it is ok to populate the ELF header and write it out
- out_elf_header.e_phnum = phdr_total_count
-
- # write elf header
- if is_out_elf_64_bit == False:
- elf_out_fp.write(mbn_tools.Elf32_Ehdr.getPackedData(out_elf_header))
- else:
- elf_out_fp.write(mbn_tools.Elf64_Ehdr.getPackedData(out_elf_header))
-
- phdr_offset = out_elf_header.e_phoff # offset of where to put next phdr
-
- # offset the start of the segments just after the program headers
- segment_offset = roundup(out_elf_header.e_phoff + phdr_total_size, PAGE_SIZE)
-
-
- # Output first elf data
- for i in range(elf_header1.e_phnum):
- curr_phdr = phdr_table1[i]
-
- # Copy program header piece by piece to ensure possible conversion success
- if is_out_elf_64_bit == True:
- # Converting from 32 to 64 elf requires no data size validation
- new_phdr = mbn_tools.Elf64_Phdr('\0' * ELF64_PHDR_SIZE)
- new_phdr.p_type = curr_phdr.p_type
- new_phdr.p_offset = segment_offset
- new_phdr.p_vaddr = curr_phdr.p_vaddr
- new_phdr.p_paddr = curr_phdr.p_paddr
- new_phdr.p_filesz = curr_phdr.p_filesz
- new_phdr.p_memsz = curr_phdr.p_memsz
- new_phdr.p_flags = curr_phdr.p_flags
- new_phdr.p_align = curr_phdr.p_align
- else:
- # Converting from 64 to 32 elf requires data size validation
- # Note that there is an option to discard a segment if it is only ZI
- # and its address is greater than 32 bits
- new_phdr = mbn_tools.Elf32_Phdr('\0' * ELF32_PHDR_SIZE)
- new_phdr.p_type = curr_phdr.p_type
- new_phdr.p_offset = segment_offset
-
- if curr_phdr.p_vaddr > 0xFFFFFFFF:
- if (zi_oob_enabled == True) and (curr_phdr.p_filesz == 0):
- continue
- else:
- print "ERROR: File 1 VAddr is too large for conversion."
- exit()
- new_phdr.p_vaddr = curr_phdr.p_vaddr
-
- if curr_phdr.p_paddr > 0xFFFFFFFF:
- if (zi_oob_enabled == True) and (curr_phdr.p_filesz == 0):
- continue
- else:
- print "ERROR: File 1 PAddr is too large for conversion."
- exit()
- new_phdr.p_paddr = curr_phdr.p_paddr
-
- if curr_phdr.p_filesz > 0xFFFFFFFF:
- print "ERROR: File 1 Filesz is too large for conversion."
- exit()
- new_phdr.p_filesz = curr_phdr.p_filesz
-
- if curr_phdr.p_memsz > 0xFFFFFFFF:
- print "ERROR: File 1 Memsz is too large for conversion."
- exit()
- new_phdr.p_memsz = curr_phdr.p_memsz
-
- if curr_phdr.p_flags > 0xFFFFFFFF:
- print "ERROR: File 1 Flags is too large for conversion."
- exit()
- new_phdr.p_flags = curr_phdr.p_flags
-
- if curr_phdr.p_align > 0xFFFFFFFF:
- print "ERROR: File 1 Align is too large for conversion."
- exit()
- new_phdr.p_align = curr_phdr.p_align
-
-
- #print "i=",i
- #print "phdr_offset=", phdr_offset
-
- # update output file location to next phdr location
- elf_out_fp.seek(phdr_offset)
- # increment phdr_offset to next location
- phdr_offset += out_elf_header.e_phentsize
-
- inp_data_offset = curr_phdr.p_offset # used to read data from input file
-
-# print "inp_data_offset="
-# print inp_data_offset
-#
-# print "curr_phdr.p_offset="
-# print curr_phdr.p_offset
-#
-# print "curr_phdr.p_filesz="
-# print curr_phdr.p_filesz
-
- # output current phdr
- if is_out_elf_64_bit == False:
- elf_out_fp.write(mbn_tools.Elf32_Phdr.getPackedData(new_phdr))
- else:
- elf_out_fp.write(mbn_tools.Elf64_Phdr.getPackedData(new_phdr))
-
- # Copy the ELF segment
- bytes_written = mbn_tools.file_copy_offset(elf_in_fp1,
- inp_data_offset,
- elf_out_fp,
- new_phdr.p_offset,
- new_phdr.p_filesz)
-
- # update data segment offset to be aligned after previous segment
- segment_offset += roundup(new_phdr.p_filesz, SEGMENT_ALIGN);
- elf_in_fp1.close()
-
- # Output second elf data if applicable
- if elf_in_file_name2 != "":
- for i in range(elf_header2.e_phnum):
- curr_phdr = phdr_table2[i]
-
- # Copy program header piece by piece to ensure possible conversion success
- if is_out_elf_64_bit == True:
- # Converting from 32 to 64 elf requires no data size validation
- new_phdr = mbn_tools.Elf64_Phdr('\0' * ELF64_PHDR_SIZE)
- new_phdr.p_type = curr_phdr.p_type
- new_phdr.p_offset = segment_offset
- new_phdr.p_vaddr = curr_phdr.p_vaddr
- new_phdr.p_paddr = curr_phdr.p_paddr
- new_phdr.p_filesz = curr_phdr.p_filesz
- new_phdr.p_memsz = curr_phdr.p_memsz
- new_phdr.p_flags = curr_phdr.p_flags
- new_phdr.p_align = curr_phdr.p_align
- else:
- # Converting from 64 to 32 elf requires data size validation
- # Note that there is an option to discard a segment if it is only ZI
- # and its address is greater than 32 bits
- new_phdr = mbn_tools.Elf32_Phdr('\0' * ELF32_PHDR_SIZE)
- new_phdr.p_type = curr_phdr.p_type
- new_phdr.p_offset = segment_offset
-
- if curr_phdr.p_vaddr > 0xFFFFFFFF:
- if (zi_oob_enabled == True) and (curr_phdr.p_filesz == 0):
- continue
- else:
- print "ERROR: File 2 VAddr is too large for conversion."
- exit()
- new_phdr.p_vaddr = curr_phdr.p_vaddr
-
- if curr_phdr.p_paddr > 0xFFFFFFFF:
- if (zi_oob_enabled == True) and (curr_phdr.p_filesz == 0):
- continue
- else:
- print "ERROR: File 2 PAddr is too large for conversion."
- exit()
- new_phdr.p_paddr = curr_phdr.p_paddr
-
- if curr_phdr.p_filesz > 0xFFFFFFFF:
- print "ERROR: File 2 Filesz is too large for conversion."
- exit()
- new_phdr.p_filesz = curr_phdr.p_filesz
-
- if curr_phdr.p_memsz > 0xFFFFFFFF:
- print "ERROR: File 2 Memsz is too large for conversion."
- exit()
- new_phdr.p_memsz = curr_phdr.p_memsz
-
- if curr_phdr.p_flags > 0xFFFFFFFF:
- print "ERROR: File 2 Flags is too large for conversion."
- exit()
- new_phdr.p_flags = curr_phdr.p_flags
-
- if curr_phdr.p_align > 0xFFFFFFFF:
- print "ERROR: File 2 Align is too large for conversion."
- exit()
- new_phdr.p_align = curr_phdr.p_align
-
-
-# print "i=",i
-# print "phdr_offset=", phdr_offset
-
- # update output file location to next phdr location
- elf_out_fp.seek(phdr_offset)
- # increment phdr_offset to next location
- phdr_offset += out_elf_header.e_phentsize
-
- inp_data_offset = curr_phdr.p_offset # used to read data from input file
-
-# print "inp_data_offset="
-# print inp_data_offset
-#
-# print "curr_phdr.p_offset="
-# print curr_phdr.p_offset
-#
-# print "curr_phdr.p_filesz="
-# print curr_phdr.p_filesz
-
- # output current phdr
- if is_out_elf_64_bit == False:
- elf_out_fp.write(mbn_tools.Elf32_Phdr.getPackedData(new_phdr))
- else:
- elf_out_fp.write(mbn_tools.Elf64_Phdr.getPackedData(new_phdr))
-
- # Copy the ELF segment
- bytes_written = mbn_tools.file_copy_offset(elf_in_fp2,
- inp_data_offset,
- elf_out_fp,
- new_phdr.p_offset,
- new_phdr.p_filesz)
-
- # update data segment offset to be aligned after previous segment
- segment_offset += roundup(new_phdr.p_filesz, SEGMENT_ALIGN);
- elf_in_fp2.close()
-
- # Embed xbl_sec image if provided
- if elf_in_file_xbl_sec != "":
-
- # Scan pheaders in xbl_sec for segment that contains entry point address
- entry_seg_offset = -1
- entry_addr = elf_headerxblsec.e_entry
- for i in range(elf_headerxblsec.e_phnum):
- phdr = phdr_tablexblsec[i]
- max_addr = phdr.p_vaddr + phdr.p_memsz
- if phdr.p_vaddr <= entry_addr <= max_addr:
- entry_seg_offset = phdr.p_offset
- break
- if entry_seg_offset == -1:
- print "Error: Failed to find entry point in any segment!"
- exit()
- # magical equation for program header's phys and virt addr
- phys_virt_addr = entry_addr - entry_seg_offset
-
- if is_out_elf_64_bit:
- # Converting from 32 to 64 elf requires no data size validation
- new_phdr = mbn_tools.Elf64_Phdr('\0' * ELF64_PHDR_SIZE)
- new_phdr.p_type = 0x1
- new_phdr.p_offset = segment_offset
- new_phdr.p_vaddr = phys_virt_addr
- new_phdr.p_paddr = phys_virt_addr
- new_phdr.p_filesz = os.path.getsize(elf_in_file_xbl_sec)
- new_phdr.p_memsz = new_phdr.p_filesz
- new_phdr.p_flags = 0x5
- new_phdr.p_align = 0x1000
- else:
- # Converting from 64 to 32 elf requires data size validation
- # Don't discard the segment containing xbl_sec, simply error out
- # if the address is greater than 32 bits
- new_phdr = mbn_tools.Elf32_Phdr('\0' * ELF32_PHDR_SIZE)
- new_phdr.p_type = 0x1 #
- new_phdr.p_offset = segment_offset
- new_phdr.p_flags = 0x5
- new_phdr.p_align = 0x1000
-
- if phys_virt_addr > 0xFFFFFFFF:
- if zi_oob_enabled == False or curr_phdr.p_filesz != 0:
- print "ERROR: File xbl_sec VAddr or PAddr is too large for conversion."
- exit()
- new_phdr.p_vaddr = phys_virt_addr
- new_phdr.p_paddr = phys_virt_addr
-
- if os.path.getsize(elf_in_file_xbl_sec) > 0xFFFFFFFF:
- print "ERROR: File xbl_sec Filesz is too large for conversion."
- exit()
- new_phdr.p_filesz = os.path.getsize(elf_in_file_xbl_sec)
- new_phdr.p_memsz = new_phdr.p_filesz
-
-
- # update output file location to next phdr location
- elf_out_fp.seek(phdr_offset)
- # increment phdr_offset to next location
- phdr_offset += out_elf_header.e_phentsize
- # Copy entire xbl_sec file, so start from byte 0
- inp_data_offset = 0
-
- # Output xbl_sec's phdr
- elf_in_file_xbl_sec
- if is_out_elf_64_bit == False:
- elf_out_fp.write(mbn_tools.Elf32_Phdr.getPackedData(new_phdr))
- else:
- elf_out_fp.write(mbn_tools.Elf64_Phdr.getPackedData(new_phdr))
-
- # Copy the ENTIRE xbl_sec image
- bytes_written = mbn_tools.file_copy_offset(elf_in_fpxblsec,
- inp_data_offset,
- elf_out_fp,
- new_phdr.p_offset,
- new_phdr.p_filesz)
- # update data segment offset to be aligned after previous segment
- # Not necessary, unless appending more pheaders after this point
- segment_offset += roundup(new_phdr.p_filesz, SEGMENT_ALIGN);
-
- elf_in_fpxblsec.close()
-
- elf_out_fp.close()
-
- return 0
-
-
-main()