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#! /usr/bin/python3
# -*- python -*-
# -*- coding: utf-8 -*-
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2007 Red Hat, Inc.
#
def hexbitmask(l, nr_entries):
hexbitmask = []
bit = 0
mask = 0
for entry in range(nr_entries):
if entry in l:
mask |= (1 << bit)
bit += 1
if bit == 32:
bit = 0
hexbitmask.insert(0, mask)
mask = 0
if bit < 32 and mask != 0:
hexbitmask.insert(0, mask)
return hexbitmask
def bitmasklist(line, nr_entries):
hexmask = line.strip().replace(",", "")
bitmasklist = []
entry = 0
bitmask = bin(int(hexmask, 16))[2::]
for i in reversed(bitmask):
if int(i) & 1:
bitmasklist.append(entry)
entry += 1
if entry == nr_entries:
break
return bitmasklist
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