Subversion Repositories myblaze

# -*- coding: utf-8 -*-

"""

    debug.py

    ========

    Debug functions

    :copyright: Copyright (c) 2010 Jian Luo.

    :author-email: jian.luo.cn(at_)gmail.com.

    :license: LGPL, see LICENSE for details.

    :revision: $Id: debug.py 6 2010-11-21 23:18:44Z rockee $

"""

import re

__re_dis=re.compile(r' *(?P<addr>[0-9a-f]+):\s+(?P<opcode>[0-9a-f]{8})\s+.*')

__dissembly = open('rom.dump').readlines()

__code = {}

for line in __dissembly:

    if line.find('debug')>0:

        break

    c = __re_dis.match(line)

    if c:

        __code[int(c.group('addr'), 16)] = line.strip()

def dissembly(address, opcode, rd=None, ra=None, rb=None,

                               dat_d=None, dat_a=None, dat_b=None,

                               alu_result=None, showreg=False):

    source = __code.get(int(address), '0'*8)

    if source.find('%08x' % opcode) >= 0:

        print '<match>: %s' % source

    else:

        print ''

        print '\tFATAL: NOT MATCH'

        print '\topcode:=%08x; expected:=%s' % (int(opcode), source)

    if not showreg:

        return

    print '\tRd: R%d=%d(%x) Ra: R%d=%d(%x) Rb: R%d=%d(%x) ALU: %d(%x)' % (

            rd, dat_d, dat_d, ra, dat_a, dat_a,

            rb, dat_b, dat_b, alu_result, alu_result)

### EOF ###

# vim:smarttab:sts=4:ts=4:sw=4:et:ai:tw=80: