Subversion Repositories c0or1k

#! /usr/bin/env python2.6

# -*- mode: python; coding: utf-8; -*-

import os, sys, re

from projpaths import *

from lib import *

def get_conts_memory_regions(phys_virt, array_start, array_end):

    with open(join(PROJROOT, CONFIG_H), 'r')as file:

        for line in file:

            begin = line.rfind(" ")

            end = len(line)

            if re.search("(" + phys_virt + ")([0-9]){1,4}(_START)", line):

                array_start.append(int(line[begin : end], 16))

            elif re.search("(" + phys_virt + ")([0-9]){1,4}(_END)", line):

                array_end.append(int(line[begin : end], 16))

def check_memory_overlap(phys_virt,  array_start, array_end):

    length = len(array_start)

    # Brute force method

    for index, s1 in enumerate(array_start):

        e1 = array_end[index]

        iter = 0

        while iter < length:

            if index == iter:

                iter = iter + 1

                continue

            if ((s1 <= array_start[iter]) and \

                ((e1 >= array_end[iter]) or (array_start[iter] < e1 <= array_end[iter]))):

                print 'Memory overlap between containers!!!'

                print 'overlapping ranges: '+ \

                    conv_hex(s1) + '-' + conv_hex(e1) + ' and ' + \

                    conv_hex(array_start[iter]) + '-' + conv_hex(array_end[iter])

                print '\n'

                sys.exit()

            else:

                iter = iter + 1

def phys_region_sanity_check():

    phys_start = []

    phys_end = []

    get_conts_memory_regions('PHYS', phys_start, phys_end)

    check_memory_overlap('PHYS', phys_start, phys_end)

def virt_region_sanity_check():

    virt_start = []

    virt_end = []

    get_conts_memory_regions('VIRT', virt_start, virt_end)

    check_memory_overlap('VIRT', virt_start, virt_end)

def sanity_check_conts():

    phys_region_sanity_check()

    virt_region_sanity_check()