op_gen.py

浙江大学的悟空嵌入式系统模拟器

# PPC instructions generator
# Written by Chenfeng Zhou<[e-mail]>

import random

class Op_Gen:
    def gen (self, op_list, op_nr):

	self.gen_init ()
	
	i = 0
	while i < op_nr:
	    op = op_list[random.randint (0, len (op_list) - 1)]
	    r1, r2 = (random.randint (0, 31), random.randint (0, 31))

	    print (op + ' ' + str (r1) + ', ' + str (r2))
            i = i + 1

	print 'rfi\n'

    def gen_init (self):
       	print"""
.global _start
_start:
li 0, 0
mtcr 0
li 1, 16850
li 2, 17722
li 3, 4984
li 4, -23751
li 5, -2584
li 6, 27295
li 7, -24240
li 8, -27196
li 9, 17738
li 10, -26742
li 11, -20632
li 12, -27311
li 13, 13828
li 14, 19765
li 15, -9363
li 16, 6230
li 17, -28293
li 18, -12566
li 19, 31822
li 20, 3066
li 21, -22829
li 22, -14768
li 23, -18170
li 24, -23340
li 25, 23381
li 26, 4946
li 27, 5174
li 28, -15366
li 29, 10768
li 30, -2061
li 31, 24723
"""