ab8da4d285
This patch is to add a byte_swap.py script for rcw bin byte swapping instead of using tclsh. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
66 lines
1.6 KiB
Diff
66 lines
1.6 KiB
Diff
From ebded197f9c12168d61973043fd9ebd5d49528a8 Mon Sep 17 00:00:00 2001
|
|
From: Yangbo Lu <yangbo.lu@nxp.com>
|
|
Date: Mon, 25 Dec 2017 14:11:02 +0800
|
|
Subject: [PATCH] rcw: add a python script for byte swapping
|
|
|
|
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
|
|
---
|
|
Makefile | 2 ++
|
|
byte_swap.py | 32 ++++++++++++++++++++++++++++++++
|
|
2 files changed, 34 insertions(+)
|
|
create mode 100755 byte_swap.py
|
|
|
|
diff --git a/Makefile b/Makefile
|
|
index fb55c8b..27e3ba2 100644
|
|
--- a/Makefile
|
|
+++ b/Makefile
|
|
@@ -11,6 +11,8 @@ all install clean:
|
|
@for board in $(BOARDS); do \
|
|
$(MAKE) -C $$board $@ DESTDIR=$(DESTDIR)/$$board; \
|
|
done
|
|
+ chmod 755 ./byte_swap.py; \
|
|
+ ./byte_swap.py ls1046ardb/RR_FFSSPPPH_1133_5559/rcw_1800_qspiboot.bin 8
|
|
|
|
release: $(foreach board,$(BOARDS),rcw-$(board)-$(VER).tar.gz)
|
|
|
|
diff --git a/byte_swap.py b/byte_swap.py
|
|
new file mode 100755
|
|
index 0000000..7ee4129
|
|
--- /dev/null
|
|
+++ b/byte_swap.py
|
|
@@ -0,0 +1,32 @@
|
|
+#!/usr/bin/env python
|
|
+"""
|
|
+Swap the 4/8 bytes endian except for PBI CRC
|
|
+2016-10-9: Initial version
|
|
+
|
|
+Usage:
|
|
+ ./byte_swap.py <file_name> <byte>
|
|
+"""
|
|
+import sys
|
|
+
|
|
+try:
|
|
+ file_name = sys.argv[1]
|
|
+ byte = int(sys.argv[2])
|
|
+except:
|
|
+ print("Usage: ./byte_swap.py <file_name> <byte>")
|
|
+ print("E.g.: ./byte_swap.py rcw_1600.bin 8\n")
|
|
+ exit
|
|
+
|
|
+with open(file_name,'rb') as file:
|
|
+ tmp = file.read()
|
|
+file.close()
|
|
+
|
|
+with open(file_name + '.swap','wb') as file:
|
|
+ for i in range(0, len(tmp) - 1, byte):
|
|
+ if(tmp[i:i+4].encode('hex')) == "08610040":
|
|
+ #print("PBI CRC command")
|
|
+ file.write(tmp[i:i+8])
|
|
+ break
|
|
+ file.write(tmp[i:i+byte][::-1])
|
|
+file.close()
|
|
+
|
|
+print("Swapped file: " + file_name + '.swap')
|
|
--
|
|
2.7.4
|
|
|