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@@ -0,0 +1,504 @@
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+From 7bd43eb9e5cdf2035793d50a31bf13052eb9812a Mon Sep 17 00:00:00 2001
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+From: Yangbo Lu <[email protected]>
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+Date: Wed, 19 Jun 2019 10:25:41 +0800
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+Subject: [PATCH 2/2] Convert to python3
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+
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+Python 2.7 will not be maintained past 2020. Let's convert
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+to python3 for rcw. Below were the changes of this patch.
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+- Adapted print usage
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+- Didn't use tab anymore
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+- Handled str and bytes type separately
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+- Other minor changes
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+
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+Signed-off-by: Yangbo Lu <[email protected]>
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+---
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+ Makefile.inc | 2 +-
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+ rcw.py | 144 +++++++++++++++++++++++++++++------------------------------
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+ 2 files changed, 73 insertions(+), 73 deletions(-)
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+
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+diff --git a/Makefile.inc b/Makefile.inc
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+index 7d9a3d3..8bee2be 100644
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+--- a/Makefile.inc
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++++ b/Makefile.inc
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+@@ -1,6 +1,6 @@
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+ DESTDIR = $(shell basename $(CURDIR))
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+ INSTALL = install
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+-PYTHON ?= python2
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++PYTHON ?= python3
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+ RCW = $(PYTHON) ../rcw.py
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+ QSPI_SWAP_LIST = $(shell pwd)/../qspi_swap_list.txt
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+ QSPI_SWAP_SCRIPT=$(shell pwd)/../qspi_swap.sh
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+diff --git a/rcw.py b/rcw.py
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+index e5cd28b..619770a 100755
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+--- a/rcw.py
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++++ b/rcw.py
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+@@ -1,4 +1,4 @@
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+-#!/usr/bin/env python2
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++#!/usr/bin/env python3
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+
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+ # rcw.py -- compiles an RCW source file into an PBL/RCW binary
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+
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+@@ -95,7 +95,7 @@ from optparse import OptionParser, OptionGroup
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+ class ordered_dict(dict):
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+ def __init__(self, *args, **kwargs):
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+ dict.__init__(self, *args, **kwargs)
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+- self._order = self.keys()
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++ self._order = list(self.keys())
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+
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+ def __setitem__(self, key, value):
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+ dict.__setitem__(self, key, value)
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+@@ -132,7 +132,7 @@ def crc32(data):
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+
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+ crc = 0xffffffff
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+ for i in data:
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+- crc = (crc << 8) ^ table[(crc >> 24) ^ ord(i)]
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++ crc = (crc << 8) ^ table[(crc >> 24) ^ int(i)]
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+ crc = crc & 0xffffffff
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+
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+ return crc
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+@@ -187,7 +187,7 @@ def command_line():
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+ options.output = '/dev/stdout'
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+
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+ if options.reverse and not options.rcwi:
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+- print "Error: -r option requires --rcw"
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++ print("Error: -r option requires --rcw")
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+ sys.exit(1)
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+
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+ # Checks if the bits for the given field overlap those of another field that
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+@@ -196,27 +196,27 @@ def check_for_overlap(name, begin, end):
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+ global symbols
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+
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+ if name in symbols:
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+- print 'Error: Duplicate bitfield definition for', name
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++ print('Error: Duplicate bitfield definition for', name)
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+ return
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+
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+ # Iterate over the list of symbols that have already been defined
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+- for n, [b, e] in symbols.iteritems():
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++ for n, [b, e] in symbols.items():
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+ # check if either 'begin' or 'end' is inside an bitfield range
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+ if (b <= begin <= e) or (b <= end <= e):
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+- print 'Error: Bitfield', name, 'overlaps with', n
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++ print('Error: Bitfield', name, 'overlaps with', n)
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+
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+ #
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+ # Build a u-boot PBI section for SPI/SD/NAND boot
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+-# refer: Chapter 10, u-boot of QorIQ_SDK_Infocenter.pdf
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++# refer: Chapter 10, u-boot of QorIQ_SDK_Infocenter.pdf
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+ #
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+ # pre-cond 1: u-boot.xxd should be created
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+ # how to create u-boot.xxd
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+-# xxd u-boot.bin > u-boot.xxd1 && cut -d " " -f1-10 u-boot.xxd1 > u-boot.xxd && rm -f u-boot.xxd1
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++# xxd u-boot.bin > u-boot.xxd1 && cut -d " " -f1-10 u-boot.xxd1 > u-boot.xxd && rm -f u-boot.xxd1
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+ #
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+ # rcw file should include spi_boot.rcw as well
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+ #
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+ def build_pbi_uboot(lines):
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+- subsection = ''
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++ subsection = b''
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+ cnt = 1
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+ l_tmp = []
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+
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+@@ -224,55 +224,55 @@ def build_pbi_uboot(lines):
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+ for l in lines:
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+ # prepare 0x40 per lines except the last one
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+ # add flush at the end
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+- lstr = l.split()
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+- addr = int(lstr[0][:-1], 16)
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++ lstr = l.split()
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++ addr = int(lstr[0][:-1], 16)
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+
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+ # print l
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+ #
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+ # last two lines take 0x20 numbers
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+ #
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+- if ((cnt % 2 == 0) and (cnt > len(lines) -4)):
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++ if ((cnt % 2 == 0) and (cnt > len(lines) -4)):
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+ l_tmp.append(l)
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+ b = []
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+
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+- for t in l_tmp:
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++ for t in l_tmp:
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+ lstr = t.split()
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+
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+- for i in range(1, len(lstr)):
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++ for i in range(1, len(lstr)):
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+ b.append(int(lstr[i], 16))
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+
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+ subsection += struct.pack('>LHHHHHHHHHHHHHHHH',\
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+- 0x0C1F80000 + (addr - 0x10),\
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+- b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],\
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+- b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15])
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++ 0x0C1F80000 + (addr - 0x10),\
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++ b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],\
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++ b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15])
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+ l_tmp = []
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+ #
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+ # the rest of lines take 0x40 numbers
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+ elif (cnt % 4 == 0):
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+ l_tmp.append(l)
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+- b = []
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+- for t in l_tmp:
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++ b = []
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++ for t in l_tmp:
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+ lstr = t.split()
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+- for i in range(1, len(lstr)):
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++ for i in range(1, len(lstr)):
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+ b.append(int(lstr[i], 16))
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+
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+ subsection += struct.pack('>LHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH',\
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+- 0x081F80000 + (addr - 0x30),\
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+- b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],\
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+- b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15],\
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+- b[16], b[17], b[18], b[19], b[20], b[21], b[22], b[23], \
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+- b[24], b[25], b[26], b[27], b[28], b[29], b[30], b[31])
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++ 0x081F80000 + (addr - 0x30),\
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++ b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],\
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++ b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15],\
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++ b[16], b[17], b[18], b[19], b[20], b[21], b[22], b[23], \
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++ b[24], b[25], b[26], b[27], b[28], b[29], b[30], b[31])
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+ l_tmp = []
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+ else:
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+ l_tmp.append(l)
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+
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+- cnt = cnt + 1
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++ cnt = cnt + 1
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+
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+ return subsection
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+
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+ # Build a PBI section
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+ def build_pbi(lines):
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+- subsection = ''
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++ subsection = b''
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+ global vars
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+
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+ if 'pbiformat' in vars:
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+@@ -286,9 +286,9 @@ def build_pbi(lines):
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+ for l in lines:
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+ # Check for an instruction without 0-2 parameters
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+ # The + ' ' is a hack to make the regex work for just 'flush'
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+- m = re.match(r'\s*([a-z]+)(|\.b1|\.b2|\.b4|\.short|\.long)\s*(?<=\s)([^,]*),?([^,]*),?([^,]*),?([^,]*)', l + ' ')
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++ m = re.match(r'\s*([a-z]+)(|\.b1|\.b2|\.b4|\.short|\.long)\s*(?<=\s)([^,]*),?([^,]*),?([^,]*),?([^,]*)', l.decode("ascii") + ' ')
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+ if not m:
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+- print 'Unknown PBI subsection command "%s"' % l
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++ print('Unknown PBI subsection command "%s"' % l)
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+ return ''
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+ op = m.group(1)
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+ opsize = m.group(2)
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+@@ -306,7 +306,7 @@ def build_pbi(lines):
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+ p4 = eval(p4, {"__builtins__":None}, {}) if len(p4) else None
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+ if op == 'wait':
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+ if p1 == None:
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+- print 'Error: "wait" instruction requires one parameter'
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++ print('Error: "wait" instruction requires one parameter')
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+ return ''
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+ if pbiformat == 2:
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+ v1 = struct.pack(endianess + 'L', 0x80820000 | p1)
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+@@ -318,7 +318,7 @@ def build_pbi(lines):
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+ subsection += v2
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+ elif op == 'write':
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+ if p1 == None or p2 == None:
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+- print 'Error: "write" instruction requires two parameters'
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++ print('Error: "write" instruction requires two parameters')
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+ return ''
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+ if pbiformat == 2:
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+ v1 = struct.pack(endianess + 'L', (opsizebytes << 28) | p1)
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+@@ -329,7 +329,7 @@ def build_pbi(lines):
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+ subsection += v2
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+ elif op == 'awrite':
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+ if p1 == None or p2 == None:
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+- print 'Error: "awrite" instruction requires two parameters'
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++ print('Error: "awrite" instruction requires two parameters')
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+ return ''
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+ if pbiformat == 2:
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+ v1 = struct.pack(endianess + 'L', 0x80000000 + (opsizebytes << 26) + p1)
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+@@ -340,10 +340,10 @@ def build_pbi(lines):
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+ subsection += v2
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+ elif op == 'poll':
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+ if pbiformat != 2:
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+- print 'Error: "poll" not support for old PBI format'
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++ print('Error: "poll" not support for old PBI format')
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+ return ''
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+ if p1 == None or p2 == None or p3 == None:
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+- print 'Error: "poll" instruction requires three parameters'
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++ print('Error: "poll" instruction requires three parameters')
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+ return ''
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+ if opsize == '.long':
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+ cmd = 0x81
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+@@ -357,19 +357,19 @@ def build_pbi(lines):
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+ subsection += v3
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+ elif op == 'loadacwindow':
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+ if pbiformat != 2:
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+- print 'Error: "loadacwindow" not supported for old PBI format'
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++ print('Error: "loadacwindow" not supported for old PBI format')
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+ return ''
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+ if p1 == None:
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+- print 'Error: "loadacwindow" instruction requires one parameter'
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++ print('Error: "loadacwindow" instruction requires one parameter')
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+ return ''
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+ v1 = struct.pack(endianess + 'L', 0x80120000 + p1)
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+ subsection += v1
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+ elif op == 'blockcopy':
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+ if pbiformat != 2:
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+- print 'Error: "blockcopy" not supported for old PBI format'
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++ print('Error: "blockcopy" not supported for old PBI format')
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+ return ''
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+ if p1 == None or p2 == None or p3 == None or p4 == None:
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+- print 'Error: "blockcopy" instruction requires four parameters'
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++ print('Error: "blockcopy" instruction requires four parameters')
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+ return ''
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+ v1 = struct.pack(endianess + 'L', 0x80000000 + (p1 & 0xff))
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+ v2 = struct.pack(endianess + 'L', p2)
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+@@ -382,7 +382,7 @@ def build_pbi(lines):
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+ elif op == 'flush':
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+ subsection += struct.pack('>LL', 0x09000000 | (int(vars['pbladdr'], 16) & 0x00ffff00), 0)
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+ else:
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+- print 'Unknown PBI subsection command "%s"' % l
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++ print('Unknown PBI subsection command "%s"' % l)
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+ return ''
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+
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+ return subsection
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+@@ -394,7 +394,7 @@ def parse_subsection(header, lines):
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+ elif header == "uboot":
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+ return build_pbi_uboot(lines)
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+
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+- print 'Error: unknown subsection "%s"' % header
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++ print('Error: unknown subsection "%s"' % header)
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+ return ''
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+
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+ # Parse the .rcw file, one line at a time
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+@@ -408,10 +408,10 @@ def parse_source_file(source):
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+ symbols = ordered_dict()
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+
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+ in_subsection = False # True == we're in a subsection
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+- pbi = ''
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++ pbi = b''
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+
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+ for l2 in source:
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+- l = re.sub(r'\s+', '', l2) # Remove all whitespace
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++ l = re.sub(r'\s+', '', l2.decode("ascii")) # Remove all whitespace
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+
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+ if not len(l): # Skip blank or comment-only lines
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+ continue
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+@@ -466,14 +466,14 @@ def parse_source_file(source):
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+ (name, value) = m.groups()
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+ value = int(value, 0)
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+ if not name in symbols:
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+- print 'Error: Unknown bitfield', name
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++ print('Error: Unknown bitfield', name)
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+ else:
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+ if options.warnings and (name in assignments):
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+- print 'Warning: Duplicate assignment for bitfield', name
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++ print('Warning: Duplicate assignment for bitfield', name)
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+ assignments[name] = value
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+ continue
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+
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+- print 'Error: unknown command', ' '.join(l2)
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++ print('Error: unknown command', ' '.join(l2))
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+
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+ # Parse the -D command line parameter for additional bitfield assignments
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+ def parse_cmdline_bitfields():
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+@@ -484,12 +484,12 @@ def parse_cmdline_bitfields():
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+ # This is the same regex as used in parse_source_file()
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+ m = re.search(r'([A-Z0-9_]+)=([0-9a-zA-Z]+)', l)
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+ if not m:
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+- print 'Unrecognized command-line bitfield:', l
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++ print('Unrecognized command-line bitfield:', l)
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+ else:
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+ (name, value) = m.groups()
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+ value = int(value, 0)
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+ if not name in symbols:
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+- print 'Error: Unknown bitfield', name
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++ print('Error: Unknown bitfield', name)
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+ else:
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+ # Don't bother printing a warning, since the command-line will
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+ # normally be used to overwrite values in the .rcw file
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+@@ -510,7 +510,7 @@ def read_source_file(filename):
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+ global options
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+
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+ if not find_program('gcc'):
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+- print 'Could not find gcc in PATH'
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++ print('Could not find gcc in PATH')
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+ return None
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+
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+ i = ['-I', '.'] # Always look in the current directory
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+@@ -521,7 +521,7 @@ def read_source_file(filename):
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+ shell=False, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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+ ret = p.communicate()
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+ if p.returncode != 0:
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+- print ret[1],
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++ print(ret[1],)
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+ return None
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+
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+ return ret[0].splitlines()
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+@@ -532,13 +532,13 @@ def check_vars():
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+ global options
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+
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+ if not 'size' in vars:
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+- print 'Error: "%size" variable must be specified'
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++ print('Error: "%size" variable must be specified')
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+ sys.exit(1)
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+
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+ if options.pbl:
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+ if 'pbiformat' in vars and int(vars['pbiformat'], 0) == 2:
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+ if 'sysaddr' in vars:
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+- print 'Error: PBL format does not use %sysaddr'
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++ print('Error: PBL format does not use %sysaddr')
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+ sys.exit(1)
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+ #if 'pbladdr' in vars:
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+ # print 'Error: PBL format does not use %pbladdr'
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+@@ -546,7 +546,7 @@ def check_vars():
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+ else:
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+ # If we want the PBL header/footer, the vars for those must be defined
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+ if not 'sysaddr' in vars:
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+- print 'Error: PBL format requires %sysaddr to be defined'
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++ print('Error: PBL format requires %sysaddr to be defined')
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+ sys.exit(1)
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+
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+ # Create a .bin file
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+@@ -581,7 +581,7 @@ def create_binary():
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+ dont64bswapcrc = 0
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+ if 'dont64bswapcrc' in vars and int(vars['dont64bswapcrc'], 0):
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+ dont64bswapcrc = 1
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+- bits = 0L
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++ bits = 0
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+
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+ # Magic hack. If a pbi is specified and we didn't set the size,
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+ # set it for the new format!
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+@@ -593,7 +593,7 @@ def create_binary():
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+ pbilen += 2
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+ assignments['PBI_LENGTH'] = pbilen
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+
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+- for n, v in assignments.iteritems():
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++ for n, v in assignments.items():
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+ # n = name of symbol
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+ # v = value to assign
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+ bb, ee = symbols[n] # First bit and last bit
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+@@ -603,13 +603,13 @@ def create_binary():
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+
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+ # Make sure it's not too large
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+ if v >= (1 << s):
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+- print 'Error: Value', v, 'is too large for field', n
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++ print('Error: Value', v, 'is too large for field', n)
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+ continue
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+
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+ # If we treat the bitfield as "classic" numbered, reverse
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+ # the value before adding it!
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+ if b != bb:
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+- v = int(bin(v)[2:].zfill(s)[::-1], 2)
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++ v = int(bin(int(v))[2:].zfill(s)[::-1], 2)
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+
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+ # Set the bits. We assume that bits [b:e] are already zero. They can be
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+ # non-zero only if we have overlapping bitfield definitions, which we
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+@@ -617,7 +617,7 @@ def create_binary():
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+ bits += v << ((size - 1) - e)
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+
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+ # Generate the binary. First, apply the preamble, if requested
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+- binary = ''
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++ binary = b''
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+ if options.pbl:
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+ # Starting with LS2, we have a larger field and a different
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+ # format.
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+@@ -626,7 +626,7 @@ def create_binary():
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+ # Load RCW command
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+ binary += struct.pack(endianess + 'L', 0x80100000)
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+ else:
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+- length_byte = (((size / 8) & 63) << 1) | 1
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++ length_byte = (((size // 8) & 63) << 1) | 1
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+ binary += struct.pack(endianess + 'L', (length_byte << 24) | (int(vars['sysaddr'], 16) & 0x00ffffff))
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+
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+ # Then convert 'bits' into an array of bytes
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+@@ -634,7 +634,7 @@ def create_binary():
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+ byte = bits >> i & 0xff
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+ if classicbitnumbers:
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+ byte = int(bin(byte)[2:].zfill(8)[::-1], 2)
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+- binary += chr(byte)
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++ binary += bytes([byte])
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+
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+ if options.pbl:
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+ if pbiformat == 2:
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+@@ -672,11 +672,11 @@ def create_binary():
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+ # Precise bit any byte ordering of the CRC calculation is
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+ # not clearly specified. This is empirical.
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+ if classicbitnumbers:
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+- newcrcbinary = ''
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++ newcrcbinary = b''
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+ for c in crcbinary:
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+- byte = ord(c)
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++ byte = int(c)
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+ byte = int(bin(byte)[2:].zfill(8)[::-1], 2)
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+- newcrcbinary += chr(byte)
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++ newcrcbinary += bytes([byte])
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+ crcbinary = newcrcbinary
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+
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+ # Calculate and add the CRC
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+@@ -693,7 +693,7 @@ def create_binary():
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+ l = len(binary)
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+ if dont64bswapcrc and options.pbl:
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+ l -= 8
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+- newbinary = ''
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++ newbinary = b''
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+ for i in range(0, l, 8):
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+ x64 = struct.unpack('>Q', binary[i:i + 8])[0]
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+ newbinary += struct.pack('<Q', x64)
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+@@ -771,7 +771,7 @@ def create_source():
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+ # We skip the checksum field
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+ pbi = binary[8 + (size / 8) + 4:]
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+ else:
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+- print 'Weird binary RCW format!'
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++ print('Weird binary RCW format!')
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+ bitbytes = ''
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+ else:
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+ if binary[0:4] == preambletst:
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+@@ -780,7 +780,7 @@ def create_source():
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+ bitbytes = rcw
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+ pbi = binary[8 + (size / 8):]
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+ else:
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+- print 'Weird binary RCW format!'
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++ print('Weird binary RCW format!')
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+ bitbytes = ''
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+ else:
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+ bitbytes = binary
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+@@ -827,16 +827,16 @@ def create_source():
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+ bits &= ~(mask << shift)
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+
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+ if bits:
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+- print 'Unknown bits in positions:',
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++ print('Unknown bits in positions:',)
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+ mask = 1
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+ n = 0
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+ while bits:
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+ if (bits & mask):
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+- print n,
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++ print(n,)
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+ n += 1
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+ bits &= ~mask
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+ mask <<= 1
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+- print
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++ print()
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+
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+ if len(pbi) > 0:
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+ l = len(pbi)
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+@@ -953,7 +953,7 @@ def create_source():
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+ if cnt == 0:
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+ cnt = 64
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+ if i + cnt >= l:
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+- print 'Error in write 0x%08x at offset %d within PBI\n' % (word, i)
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++ print('Error in write 0x%08x at offset %d within PBI\n' % (word, i))
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+ if (addr & 0x00ffff00 == pbladdr):
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+ arg1 = struct.unpack(endianess + 'L', pbi[i:i+4])[0]
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+ i += 4
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+@@ -986,8 +986,8 @@ def create_source():
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+
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+ return source
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+
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+-if (sys.version_info < (2,6)) or (sys.version_info >= (3,0)):
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+- print 'Only Python versions 2.6 or 2.7 are supported.'
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++if (sys.version_info < (3,0)):
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++ print('Only Python versions 3.0+ are supported.')
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+ sys.exit(1)
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+
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+ # Make all 'print' statements output to stderr instead of stdout
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+--
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+2.7.4
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+
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Yangbo Lu