226 lines
5.9 KiB
Python
226 lines
5.9 KiB
Python
## Copyright (C) 2016 Jeremiah Orians
|
|
## This file is part of stage0.
|
|
##
|
|
## stage0 is free software: you an redistribute it and/or modify
|
|
## it under the terms of the GNU General Public License as published by
|
|
## the Free Software Foundation, either version 3 of the License, or
|
|
## (at your option) any later version.
|
|
##
|
|
## stage0 is distributed in the hope that it will be useful,
|
|
## but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
## GNU General Public License for more details.
|
|
##
|
|
## You should have received a copy of the GNU General Public License
|
|
## along with stage0. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import subprocess
|
|
import ctypes
|
|
import re
|
|
import sys, getopt
|
|
|
|
vm = ctypes.CDLL('./libvm.so')
|
|
|
|
vm.get_memory.argtype = ctypes.c_uint
|
|
vm.get_memory.restype = ctypes.c_char_p
|
|
vm.step_lilith.restype = ctypes.c_uint
|
|
vm.set_register.argtype = (ctypes.c_uint, ctypes.c_uint)
|
|
vm.set_memory.argtype = (ctypes.c_uint, ctypes.c_ubyte)
|
|
|
|
def Reset_lilith():
|
|
vm.initialize_lilith()
|
|
global Current_IP
|
|
Current_IP = 0
|
|
global Watchpoints
|
|
Watchpoints = {0}
|
|
global ROM_Name
|
|
vm.load_lilith(ctypes.create_string_buffer(ROM_Name.encode('ascii')))
|
|
|
|
def Step_lilith():
|
|
global Current_IP
|
|
Current_IP = vm.step_lilith()
|
|
global Count
|
|
Count = Count + 1
|
|
return
|
|
|
|
def Set_Memory(address, value):
|
|
vm.set_memory(address, value)
|
|
return
|
|
|
|
def Set_Register(register, value):
|
|
vm.set_register(register, value)
|
|
return
|
|
|
|
def returnPage():
|
|
return get_header() + (vm.get_memory(Current_Page)).decode('utf-8') + get_spacer1() + get_registers(0) + get_registers(8) + get_spacer2() + get_Window_shortcut() + get_disassembled() + get_footer()
|
|
|
|
hexlookup = { 0 : '0', 1 : '1', 2 : '2', 3 : '3', 4 : '4', 5 : '5', 6 : '6', 7 : '7', 8 : '8', 9 : '9', 10 : 'A', 11 : 'B', 12 : 'C', 13 : 'D', 14 : 'E', 15 : 'F' }
|
|
|
|
def formatByte(a):
|
|
first = a >> 4
|
|
second = a % 16
|
|
return str(hexlookup[first]+hexlookup[second])
|
|
|
|
def formatAddress(a):
|
|
first = a >> 24
|
|
second = (a % 16777216) >> 16
|
|
third = (a % 65536) >> 8
|
|
fourth = a % 256
|
|
myreturn = formatByte(first) + formatByte(second) + formatByte(third) + formatByte(fourth)
|
|
return myreturn[:-1] + "x"
|
|
|
|
def formatRegister(a):
|
|
first = a >> 24
|
|
second = (a % 16777216) >> 16
|
|
third = (a % 65536) >> 8
|
|
fourth = a % 256
|
|
return formatByte(first) + formatByte(second) + formatByte(third) + formatByte(fourth)
|
|
|
|
def get_header():
|
|
return """
|
|
<!DOCTYPE html>
|
|
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<title>Knight CPU Debugger</title>
|
|
<link rel="stylesheet" type="text/css" href="static/style.css" />
|
|
<script type="text/javascript" src="static/jquery-1.8.3.js"> </script>
|
|
<script type="text/javascript" src="static/script.js"></script>
|
|
</head>
|
|
<body>
|
|
<div>
|
|
<a href="RUN"><button type="button">RUN</button></a>
|
|
<a href="STOP"><button type="button">STOP</button></a>
|
|
<a href="PAGEDOWN"><button type="button">PAGE DOWN</button></a>
|
|
<a href="PAGEUP"><button type="button">PAGE UP</button></a>
|
|
<a href="STEP"><button type="button">STEP</button></a>
|
|
<a href="RESET"><button type="button">RESET</button></a>
|
|
<a href="SPEEDBREAKPOINT"><button type="button">Run Until Breakpoint</button></a>
|
|
</div>
|
|
<div>
|
|
<div style="height:230px; width:60%; float:left; overflow-y: scroll;">
|
|
<table class="Memory">
|
|
<thead>
|
|
<tr>
|
|
<th>Index</th>
|
|
<th>0</th>
|
|
<th>1</th>
|
|
<th>2</th>
|
|
<th>3</th>
|
|
<th>4</th>
|
|
<th>5</th>
|
|
<th>6</th>
|
|
<th>7</th>
|
|
<th>8</th>
|
|
<th>8</th>
|
|
<th>A</th>
|
|
<th>B</th>
|
|
<th>C</th>
|
|
<th>D</th>
|
|
<th>E</th>
|
|
<th>F</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>"""
|
|
|
|
def get_spacer1():
|
|
return """ </tbody>
|
|
</table>
|
|
</div>
|
|
<div>
|
|
"""
|
|
|
|
def get_registers(index):
|
|
vm.get_register.argtype = ctypes.c_uint
|
|
vm.get_register.restype = ctypes.c_uint
|
|
|
|
# R0 = vm.get_register(3)
|
|
# print("Register R0 value:")
|
|
# print(R0)
|
|
|
|
temp = """ <table class="Registers">
|
|
<thead>
|
|
<tr>
|
|
<th>Register</th>
|
|
<th>Value</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>"""
|
|
|
|
for i in range(0,8):
|
|
temp = temp + """<tr><td>R""" + str(index + i) + "</td><td>" + formatRegister(vm.get_register(index + i)) + "</td></tr>\n"
|
|
|
|
return temp + """ </tbody>
|
|
</table> """
|
|
|
|
def get_spacer2():
|
|
return """
|
|
</div>
|
|
</div>
|
|
"""
|
|
|
|
def get_Window_shortcut():
|
|
return """
|
|
<form action="WINDOW" style="position:absolute; left:10px; top:260px;">
|
|
<input type="submit" value="Window Fast Move"> <input type="text" name="Window">
|
|
</form>
|
|
"""
|
|
|
|
def get_disassembled():
|
|
f = open('z_disassembled', "r")
|
|
|
|
temp = """ <div style="position:absolute; left:10px; top:280px; overflow-y: scroll; height:200px; width:60%;">
|
|
<table class="Debug"><tbody>"""
|
|
i = 0
|
|
for line in f:
|
|
pieces = re.split(r'\t+', line)
|
|
|
|
if (i < Current_IP):
|
|
temp = temp + ""
|
|
elif (i == Current_IP):
|
|
temp = temp + """<tr class="current"><td>""" + formatRegister(i) + "</td><td>" + pieces[0] + "</td><td>" + pieces[1] + "</td></tr>\n"
|
|
elif i in Watchpoints:
|
|
temp = temp + """<tr class="breakpoint"><td>""" + formatRegister(i) + "</td><td>" + pieces[0] + "</td><td>" + pieces[1] + "</td></tr>\n"
|
|
else:
|
|
temp = temp + "<tr><td>" + formatRegister(i) + "</td><td>" + pieces[0] + "</td><td>" + pieces[1] + "</td></tr>\n"
|
|
|
|
i = i + 4
|
|
|
|
f.close()
|
|
return temp + "</tbody></table>"
|
|
|
|
def get_footer():
|
|
return """
|
|
</div>
|
|
</body>
|
|
</html>
|
|
"""
|
|
|
|
def main(argv):
|
|
global Debug_Point
|
|
try:
|
|
opts, args = getopt.getopt(argv,"R:D:",["ROM=","DEBUG="])
|
|
except getopt.GetoptError:
|
|
print ('Knight.py ROM=$NAME DEBUG=$NUMBER\n')
|
|
sys.exit(2)
|
|
for opt, arg in opts:
|
|
if opt == '-h':
|
|
print ('Knight.py ROM=$NAME DEBUG=$NUMBER\n')
|
|
sys.exit()
|
|
elif opt in ("-R", "--ROM"):
|
|
global ROM_Name
|
|
ROM_Name = arg
|
|
elif opt in ("-D", "--DEBUG"):
|
|
global Debug_Point
|
|
Debug_Point = int(arg)
|
|
|
|
subprocess.call("./bin/dis " + ROM_Name + " | sponge z_disassembled", shell=True)
|
|
|
|
Current_IP = 0
|
|
Current_Page = 0
|
|
Watchpoints = {0}
|
|
Count=0
|
|
Debug_Point = 0
|
|
ROM_Name = "rom"
|
|
Reset_lilith()
|