coreboot-kgpe-d16/util/exynos/variable_cksum.py

#!/usr/bin/env python2
#
# SPDX-License-Identifier: BSD-3-Clause

"""
This utility computes and fills Exynos ROM checksum (for BL1 or BL2).
(Algorithm from U-Boot: tools/mkexynosspl.c)

Input: IN OUT

Output:

  Checksum header added to IN and written to OUT.
  Header: uint32_t size, checksum, reserved[2].
"""

import struct
import sys

def main(argv):
  if len(argv) != 3:
    exit('usage: %s IN OUT' % argv[0])

  in_name, out_name = argv[1:3]
  header_format = "<IIII"
  with open(in_name, "rb") as in_file, open(out_name, "wb") as out_file:
    data = in_file.read()
    header = struct.pack(header_format,
                         struct.calcsize(header_format) + len(data),
                         sum(map(ord, data)),
                         0, 0)
    out_file.write(header + data)


if __name__ == '__main__':
  main(sys.argv)
util: Look for python2 binary instead of python Make the requirement of python2 explicit in scripts that are incompatible with python3. Change-Id: I77f150bdb3aab316fc3c3a21b911db397fa0106f Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/13286 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> 2016-01-23 21:29:47 +01:00			`#!/usr/bin/env python2`
exynos: Install the BL1 and set the checksum in the Makefile. Install the BL1 and set up the checksum in the Makefile instead of relying on post processing. Import the exynos checksum script, split it in two and simplify it significantly. Stop putting the CBFS header in the midst of the bootblock so that it can be checksummed before CBFS is put together. Stop saving space for it and leaving an anchor in the bootblock which nobody looks for. Change-Id: Icbb5a5914ece60b2827433b6dc29d80db996ea6c Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/179229 Reviewed-by: Ronald Minnich <rminnich@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit aa3a416705517c0a6ddfdeb19905ac8cafb33df1) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6834 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> 2013-12-08 21:48:45 +01:00			`#`
treewide: Replace BSD-3-Clause and ISC headers with SPDX headers Commands used: perl -i -p0e 's\|\/\[\s]Permission[\s]to[\s]use,[\s]copy,[\s]modify,[\s]and.or[\s]distribute[\s]this[\s]software[\s]for[\s]any[\s]purpose[\s]with[\s]or[\s]without[\s]fee[\s]is[\s]hereby[\s]granted,[\s]provided[\s]that[\s]the[\s]above[\s]copyright[\s]notice[\s]and[\s]this[\s]permission[\s]notice[\s]appear[\s]in[\s]all[\s]copies.[\s]THE[\s]SOFTWARE[\s]IS[\s]PROVIDED[\s].AS[\s]IS.[\s]AND[\s]THE[\s]AUTHOR[\s]DISCLAIMS[\s]ALL[\s]WARRANTIES[\s]WITH[\s]REGARD[\s]TO[\s]THIS[\s]SOFTWARE[\s]INCLUDING[\s]ALL[\s]IMPLIED[\s]WARRANTIES[\s]OF[\s]MERCHANTABILITY[\s]AND[\s]FITNESS.[\s]IN[\s]NO[\s]EVENT[\s]SHALL[\s]THE[\s]AUTHOR[\s]BE[\s]LIABLE[\s]FOR[\s]ANY[\s]SPECIAL,[\s]DIRECT,[\s]INDIRECT,[\s]OR[\s]CONSEQUENTIAL[\s]DAMAGES[\s]OR[\s]ANY[\s]DAMAGES[\s]WHATSOEVER[\s]RESULTING[\s]FROM[\s]LOSS[\s]OF[\s]USE,[\s]DATA[\s]OR[\s]PROFITS,[\s]WHETHER[\s]IN[\s]AN[\s]ACTION[\s]OF[\s]CONTRACT,[\s]NEGLIGENCE[\s]OR[\s]OTHER[\s]TORTIOUS[\s]ACTION,[\s]ARISING[\s]OUT[\s]OF[\s]OR[\s]IN[\s]CONNECTION[\s]WITH[\s]THE[\s]USE[\s]OR[\s]PERFORMANCE[\s]OF[\s]THIS[\s]SOFTWARE.[\s]\\/\|/* SPDX-License-Identifier: ISC /\|s' $(cat filelist) perl -i -p0e 's\|(\#\#)\sPermission[\#\s]to[\#\s]use,[\#\s]copy,[\#\s]modify,[\#\s]and.or[\#\s]distribute[\#\s]this[\#\s]software[\#\s]for[\#\s]any[\#\s]purpose[\#\s]with[\#\s]or[\#\s]without[\#\s]fee[\#\s]is[\#\s]hereby[\#\s]granted,[\#\s]provided[\#\s]that[\#\s]the[\#\s]above[\#\s]copyright[\#\s]notice[\#\s]and[\#\s]this[\#\s]permission[\#\s]notice[\#\s]appear[\#\s]in[\#\s]all[\#\s]copies.[\#\s]THE[\#\s]SOFTWARE[\#\s]IS[\#\s]PROVIDED[\#\s].AS[\#\s]IS.[\#\s]AND[\#\s]THE[\#\s]AUTHOR[\#\s]DISCLAIMS[\#\s]ALL[\#\s]WARRANTIES[\#\s]WITH[\#\s]REGARD[\#\s]TO[\#\s]THIS[\#\s]SOFTWARE[\#\s]INCLUDING[\#\s]ALL[\#\s]IMPLIED[\#\s]WARRANTIES[\#\s]OF[\#\s]MERCHANTABILITY[\#\s]AND[\#\s]FITNESS.[\#\s]IN[\#\s]NO[\#\s]EVENT[\#\s]SHALL[\#\s]THE[\#\s]AUTHOR[\#\s]BE[\#\s]LIABLE[\#\s]FOR[\#\s]ANY[\#\s]SPECIAL,[\#\s]DIRECT,[\#\s]INDIRECT,[\#\s]OR[\#\s]CONSEQUENTIAL[\#\s]DAMAGES[\#\s]OR[\#\s]ANY[\#\s]DAMAGES[\#\s]WHATSOEVER[\#\s]RESULTING[\#\s]FROM[\#\s]LOSS[\#\s]OF[\#\s]USE,[\#\s]DATA[\#\s]OR[\#\s]PROFITS,[\#\s]WHETHER[\#\s]IN[\#\s]AN[\#\s]ACTION[\#\s]OF[\#\s]CONTRACT,[\#\s]NEGLIGENCE[\#\s]OR[\#\s]OTHER[\#\s]TORTIOUS[\#\s]ACTION,[\#\s]ARISING[\#\s]OUT[\#\s]OF[\#\s]OR[\#\s]IN[\#\s]CONNECTION[\#\s]WITH[\#\s]THE[\#\s]USE[\#\s]OR[\#\s]PERFORMANCE[\#\s]OF[\#\s]THIS[\#\s]SOFTWARE.\s(\# \n)\|\1 SPDX-License-Identifier: ISC\n\n\|s' $(cat filelist) perl -i -p0e 's\|\/\[\s]Redistribution[\s]and[\s]use[\s]in[\s]source[\s]and[\s]binary[\s]forms,[\s]with[\s]or[\s]without[\s]modification,[\s]are[\s]permitted[\s]provided[\s]that[\s]the[\s]following[\s]conditions[\s]are[\s]met:[\s][1. ]Redistributions[\s]of[\s]source[\s]code[\s]must[\s]retain[\s]the[\s]above[\s]copyright[\s]notice,[\s]this[\s]list[\s]of[\s]conditions[\s]and[\s]the[\s]following[\s]disclaimer.[\s][\s][2. ]Redistributions[\s]in[\s]binary[\s]form[\s]must[\s]reproduce[\s]the[\s]above[\s]copyright[\s]notice,[\s]this[\s]list[\s]of[\s]conditions[\s]and[\s]the[\s]following[\s]disclaimer[\s]in[\s]the[\s]documentation[\s]and.or[\s]other[\s]materials[\s]provided[\s]with[\s]the[\s]distribution.[\s][3. ].used[\s]to[\s]endorse[\s]or[\s]promote[\s]products[\s]derived[\s]from[\s]this[\s]software[\s]without[\s]specific[\s]prior[\s]written[\s]permission.[\s]THIS[\s]SOFTWARE[\s]IS[\s]PROVIDED.AS[\s]IS.[\s]AND[\s]ANY[\s]EXPRESS[\s]OR[\s]IMPLIED[\s]WARRANTIES,[\s]INCLUDING,[\s]BUT[\s]NOT[\s]LIMITED[\s]TO,[\s]THE[\s]IMPLIED[\s]WARRANTIES[\s]OF[\s]MERCHANTABILITY.FITNESS[\s]FOR[\s]A[\s]PARTICULAR[\s]PURPOSE.ARE[\s]DISCLAIMED.[\s]IN[\s]NO[\s]EVENT[\s]SHALL.LIABLE[\s]FOR[\s]ANY[\s]DIRECT,[\s]INDIRECT,[\s]INCIDENTAL,[\s]SPECIAL,[\s]EXEMPLARY,[\s]OR[\s]CONSEQUENTIAL[\s]DAMAGES[\s].INCLUDING,[\s]BUT[\s]NOT[\s]LIMITED[\s]TO,[\s]PROCUREMENT[\s]OF[\s]SUBSTITUTE[\s]GOODS[\s]OR[\s]SERVICES;[\s]LOSS[\s]OF[\s]USE,[\s]DATA,[\s]OR[\s]PROFITS;[\s]OR[\s]BUSINESS[\s]INTERRUPTION.[\s]HOWEVER[\s]CAUSED[\s]AND[\s]ON[\s]ANY[\s]THEORY[\s]OF[\s]LIABILITY,[\s]WHETHER[\s]IN[\s]CONTRACT,[\s]STRICT[\s]LIABILITY,[\s]OR[\s]TORT[\s].INCLUDING[\s]NEGLIGENCE[\s]OR[\s]OTHERWISE.[\s]ARISING[\s]IN[\s]ANY[\s]WAY[\s]OUT[\s]OF[\s]THE[\s]USE[\s]OF[\s]THIS[\s]SOFTWARE,[\s]EVEN[\s]IF[\s]ADVISED[\s]OF[\s]THE[\s]POSSIBILITY[\s]OF[\s]SUCH[\s]DAMAGE.[\s]\\/\|/ SPDX-License-Identifier: BSD-3-Clause /\|s' $(cat filelist) $1 perl -i -p0e 's\|(\#\#) Redistribution[\#\s]and[\#\s]use[\#\s]in[\#\s]source[\#\s]and[\#\s]binary[\#\s]forms,[\#\s]with[\#\s]or[\#\s]without[\#\s]modification,[\#\s]are[\#\s]permitted[\#\s]provided[\#\s]that[\#\s]the[\#\s]following[\#\s]conditions[\#\s]are[\#\s]met:[\#\s][1. ]Redistributions[\#\s]of[\#\s]source[\#\s]code[\#\s]must[\#\s]retain[\#\s]the[\#\s]above[\#\s]copyright[\#\s]notice,[\#\s]this[\#\s]list[\#\s]of[\#\s]conditions[\#\s]and[\#\s]the[\#\s]following[\#\s]disclaimer.[\#\s][2. ]Redistributions[\#\s]in[\#\s]binary[\#\s]form[\#\s]must[\#\s]reproduce[\#\s]the[\#\s]above[\#\s]copyright[\#\s]notice,[\#\s]this[\#\s]list[\#\s]of[\#\s]conditions[\#\s]and[\#\s]the[\#\s]following[\#\s]disclaimer[\#\s]in[\#\s]the[\#\s]documentation[\#\s]and.or[\#\s]other[\#\s]materials[\#\s]provided[\#\s]with[\#\s]the[\#\s]distribution.[\#\s][\#\s][3. ].used[\#\s]to[\#\s]endorse[\#\s]or[\#\s]promote[\#\s]products[\#\s]derived[\#\s]from[\#\s]this[\#\s]software[\#\s]without[\#\s]specific[\#\s]prior[\#\s]written[\#\s]permission.[\#\s]THIS[\#\s]SOFTWARE[\#\s]IS[\#\s]PROVIDED.AS[\#\s]IS.[\#\s]AND[\#\s]ANY[\#\s]EXPRESS[\#\s]OR[\#\s]IMPLIED[\#\s]WARRANTIES,[\#\s]INCLUDING,[\#\s]BUT[\#\s]NOT[\#\s]LIMITED[\#\s]TO,[\#\s]THE[\#\s]IMPLIED[\#\s]WARRANTIES[\#\s]OF[\#\s]MERCHANTABILITY.FITNESS[\#\s]FOR[\#\s]A[\#\s]PARTICULAR[\#\s]PURPOSE.ARE[\#\s]DISCLAIMED.[\#\s]IN[\#\s]NO[\#\s]EVENT[\#\s]SHALL.LIABLE[\#\s]FOR[\#\s]ANY[\#\s]DIRECT,[\#\s]INDIRECT,[\#\s]INCIDENTAL,[\#\s]SPECIAL,[\#\s]EXEMPLARY,[\#\s]OR[\#\s]CONSEQUENTIAL[\#\s]DAMAGES[\#\s].INCLUDING,[\#\s]BUT[\#\s]NOT[\#\s]LIMITED[\#\s]TO,[\#\s]PROCUREMENT[\#\s]OF[\#\s]SUBSTITUTE[\#\s]GOODS[\#\s]OR[\#\s]SERVICES;[\#\s]LOSS[\#\s]OF[\#\s]USE,[\#\s]DATA,[\#\s]OR[\#\s]PROFITS;[\#\s]OR[\#\s]BUSINESS[\#\s]INTERRUPTION.[\#\s]HOWEVER[\#\s]CAUSED[\#\s]AND[\#\s]ON[\#\s]ANY[\#\s]THEORY[\#\s]OF[\#\s]LIABILITY,[\#\s]WHETHER[\#\s]IN[\#\s]CONTRACT,[\#\s]STRICT[\#\s]LIABILITY,[\#\s]OR[\#\s]TORT[\#\s].INCLUDING[\#\s]NEGLIGENCE[\#\s]OR[\#\s]OTHERWISE.[\#\s]ARISING[\#\s]IN[\#\s]ANY[\#\s]WAY[\#\s]OUT[\#\s]OF[\#\s]THE[\#\s]USE[\#\s]OF[\#\s]THIS[\#\s]SOFTWARE,[\#\s]EVEN[\#\s]IF[\#\s]ADVISED[\#\s]OF[\#\s]THE[\#\s]POSSIBILITY[\#\s]OF[\#\s]SUCH[\#\s]DAMAGE.\s(\#* \n)\|\1 SPDX-License-Identifier: BSD-3-Clause\n\n\|s' $(cat filelist) Change-Id: I7ff9c503a2efe1017a4666baf0b1a758a04f5634 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41204 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> 2020-05-10 18:47:05 +02:00			`# SPDX-License-Identifier: BSD-3-Clause`
exynos: Install the BL1 and set the checksum in the Makefile. Install the BL1 and set up the checksum in the Makefile instead of relying on post processing. Import the exynos checksum script, split it in two and simplify it significantly. Stop putting the CBFS header in the midst of the bootblock so that it can be checksummed before CBFS is put together. Stop saving space for it and leaving an anchor in the bootblock which nobody looks for. Change-Id: Icbb5a5914ece60b2827433b6dc29d80db996ea6c Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/179229 Reviewed-by: Ronald Minnich <rminnich@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit aa3a416705517c0a6ddfdeb19905ac8cafb33df1) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6834 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> 2013-12-08 21:48:45 +01:00
			`"""`
			`This utility computes and fills Exynos ROM checksum (for BL1 or BL2).`
			`(Algorithm from U-Boot: tools/mkexynosspl.c)`

			`Input: IN OUT`

			`Output:`

			`Checksum header added to IN and written to OUT.`
			`Header: uint32_t size, checksum, reserved[2].`
			`"""`

			`import struct`
			`import sys`

			`def main(argv):`
			`if len(argv) != 3:`
			`exit('usage: %s IN OUT' % argv[0])`

			`in_name, out_name = argv[1:3]`
			`header_format = "<IIII"`
			`with open(in_name, "rb") as in_file, open(out_name, "wb") as out_file:`
			`data = in_file.read()`
			`header = struct.pack(header_format,`
			`struct.calcsize(header_format) + len(data),`
			`sum(map(ord, data)),`
			`0, 0)`
			`out_file.write(header + data)`


			`if __name__ == '__main__':`
			`main(sys.argv)`