package/firmware/layerscape/ls-rcw/patches/0001-rcw-support-byte-swapping-without-tclsh-tool.patch

   1 From c87a500c45f36ad248b1298d63e590d1d7e74f12 Mon Sep 17 00:00:00 2001
   2 From: Yangbo Lu <yangbo.lu@nxp.com>
   3 Date: Tue, 3 Jul 2018 11:06:47 +0800
   4 Subject: [PATCH] rcw: support byte swapping without tclsh tool
   5
   6 Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
   7 ---
   8  Makefile     |    4 ----
   9  byte_swap.py |   32 ++++++++++++++++++++++++++++++++
  10  qspi_swap.sh |    2 +-
  11  3 files changed, 33 insertions(+), 5 deletions(-)
  12  create mode 100755 byte_swap.py
  13
  14 diff --git a/Makefile b/Makefile
  15 index 9f0587e..393bb2c 100644
  16 --- a/Makefile
  17 +++ b/Makefile
  18 @@ -13,10 +13,6 @@ TCLSH := $(shell command -v tclsh 2> /dev/null)
  19  VER = $(shell git describe --tags)
  20
  21  all install clean:
  22 -ifndef TCLSH
  23 -       $(error "tclsh is not available. please  install it.")
  24 -       exit 1
  25 -endif
  26         @for board in $(BOARDS); do \
  27                 $(MAKE) -C $$board $@ DESTDIR=$(DESTDIR)/$$board; \
  28         done
  29 diff --git a/byte_swap.py b/byte_swap.py
  30 new file mode 100755
  31 index 0000000..386310e
  32 --- /dev/null
  33 +++ b/byte_swap.py
  34 @@ -0,0 +1,32 @@
  35 +#!/usr/bin/env python
  36 +"""
  37 +Swap the 4/8 bytes endian except for PBI CRC
  38 +2016-10-9: Initial version
  39 +
  40 +Usage:
  41 +       ./byte_swap.py <file_name> <byte>
  42 +"""
  43 +import sys
  44 +
  45 +try:
  46 +    file_name = sys.argv[1]
  47 +    byte = int(sys.argv[2])
  48 +except:
  49 +    print("Usage: ./byte_swap.py <file_name> <byte>")
  50 +    print("E.g.: ./byte_swap.py rcw_1600.bin 8\n")
  51 +    exit
  52 +
  53 +with open(file_name,'rb') as file:
  54 +    tmp = file.read()
  55 +file.close()
  56 +
  57 +with open(file_name + '.swapped','wb') as file:
  58 +    for i in range(0, len(tmp) - 1, byte):
  59 +       if(tmp[i:i+4].encode('hex')) == "08610040":
  60 +           #print("PBI CRC command")
  61 +           file.write(tmp[i:i+8])
  62 +           break
  63 +       file.write(tmp[i:i+byte][::-1])
  64 +file.close()
  65 +
  66 +print("Swapped file: " + file_name + '.swapped')
  67 diff --git a/qspi_swap.sh b/qspi_swap.sh
  68 index 0b58e44..d23fd8b 100755
  69 --- a/qspi_swap.sh
  70 +++ b/qspi_swap.sh
  71 @@ -9,7 +9,7 @@ do
  72         if [ "$board_name" = "$current_dir" ]; then
  73                 if [ -e $filename ]; then
  74                         swapped_file="$filename.swapped"
  75 -                       tclsh ../tools/byte_swap.tcl $filename $swapped_file 8
  76 +                       ../byte_swap.py $filename 8
  77                 fi
  78         fi
  79  done < $1
  80 --
  81 1.7.1
  82