def executePrintReg(command): #list of strings in command
regbase = command[1].lower()
if regbase != 'x' and regbase != 'd':
print 'Invalid print reg command'
return
reginfo = command[2].lower()
if len(reginfo) != 2:
print 'Invalid print reg command'
return
regtype = reginfo[0]
if regtype != 'w' and regtype != 'x':
print 'Invalid print reg command'
return
regnum = int(reginfo[1])
if regnum < 0 or regnum > 31:
print 'Invalid print reg command'
return
if regtype == 'x':
binary = mem.regFile[regnum]
if regbase == 'd':
if binary[0] == '0':
print 'Register value: ' + str(int(binary, 2))
else:
neg_binary = utilFunc.twosComplement(binary, 64)
print 'Register value: -' + str(int(neg_binary, 2))
else:
print 'Register value: ' + utilFunc.binaryToHexStr(binary)
elif regtype == 'w':
binary = mem.regFile[regnum][32:64]
if regbase == 'd':
if binary[0] == '0':
print 'Register value: ' + str(int(binary, 2))
else:
neg_binary = utilFunc.twosComplement(binary, 32)
print 'Register value: -' + str(int(neg_binary, 2))
else:
print 'Register value: ' + utilFunc.binaryToHexStr(binary)
def executePrintReg(command): #list of strings in command
regbase=command[1].lower()
if regbase!='x' and regbase!='d':
print 'Invalid print reg command'
return
reginfo=command[2].lower()
if len(reginfo)!=2:
print 'Invalid print reg command'
return
regtype=reginfo[0]
if regtype!='w' and regtype!='x':
print 'Invalid print reg command'
return
regnum=int(reginfo[1])
if regnum<0 or regnum>31:
print 'Invalid print reg command'
return
if regtype == 'x':
binary=mem.regFile[regnum]
if regbase == 'd':
if binary[0]=='0':
print 'Register value: ' + str(int(binary,2))
else:
neg_binary=utilFunc.twosComplement(binary, 64)
print 'Register value: -' + str(int(neg_binary,2))
else:
print 'Register value: ' + utilFunc.binaryToHexStr(binary)
elif regtype == 'w':
binary=mem.regFile[regnum][32:64]
if regbase == 'd':
if binary[0]=='0':
print 'Register value: ' + str(int(binary,2))
else:
neg_binary=utilFunc.twosComplement(binary, 32)
print 'Register value: -' + str(int(neg_binary,2))
else:
print 'Register value: ' + utilFunc.binaryToHexStr(binary)
def mov_imm(binary, instr, inverted, N):
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
hw = binary[9:11]
pos = utilFunc.uInt(hw + '0000')
imm16 = binary[11:27]
result = (imm16 + '0' * pos).zfill(N)
if (inverted == '1'):
result = utilFunc.negate(result)
instr = instr + str(rdKey) + ", #" + utilFunc.binaryToHexStr(result)
utilFunc.finalize(rdKey, result.zfill(const.REG_SIZE), instr, '0')
def mov_imm(binary, instr, inverted, N):
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
hw = binary[9:11]
pos = utilFunc.uInt(hw + "0000")
imm16 = binary[11:27]
result = (imm16 + "0" * pos).zfill(N)
if inverted == "1":
result = utilFunc.negate(result)
instr = instr + str(rdKey) + ", #" + utilFunc.binaryToHexStr(result)
utilFunc.finalize(rdKey, result.zfill(const.REG_SIZE), instr, "0")
def execBR(binary):
inst = 'BR X'
rnKey=binary[22:27]
address_binary=utilFunc.getRegValueByStringkey(rnKey, '0')
regnum=utilFunc.uInt(rnKey)
inst+=str(regnum)
hexstr = utilFunc.binaryToHexStr(address_binary)
if not armdebug.checkIfValidBreakPoint(hexstr):
utilFunc.finalize_simple('Instruction aborted. Invalid instruction address in register.')
return
utilFunc.branchToAddress(int(hexstr,16))
utilFunc.finalize_simple(inst)
def execBR(binary):
inst = 'BR X'
rnKey = binary[22:27]
address_binary = utilFunc.getRegValueByStringkey(rnKey, '0')
regnum = utilFunc.uInt(rnKey)
inst += str(regnum)
hexstr = utilFunc.binaryToHexStr(address_binary)
if not armdebug.checkIfValidBreakPoint(hexstr):
utilFunc.finalize_simple(
'Instruction aborted. Invalid instruction address in register.')
return
utilFunc.branchToAddress(int(hexstr, 16))
utilFunc.finalize_simple(inst)
def mov_bmi(binary, N):
inst = 'MOV '
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
if (N == 32):
r = 'w'
else:
r = 'x'
inst += r + str(rdKey)
immr = binary[10:16]
imms = binary[16:22]
immN = binary[9]
imm, temp = utilFunc.decodeBitMasks(immN, imms, immr, N)
inst += ', #' + utilFunc.binaryToHexStr(imm)
result = utilFunc.logical_or('0' * N, imm).zfill(const.REG_SIZE)
utilFunc.finalize(rdKey, result, inst, '1')
def mov_bmi(binary, N):
inst = "MOV "
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
if N == 32:
r = "w"
else:
r = "x"
inst += r + str(rdKey)
immr = binary[10:16]
imms = binary[16:22]
immN = binary[9]
imm, temp = utilFunc.decodeBitMasks(immN, imms, immr, N)
inst += ", #" + utilFunc.binaryToHexStr(imm)
result = utilFunc.logical_or("0" * N, imm).zfill(const.REG_SIZE)
utilFunc.finalize(rdKey, result, inst, "1")
def op_i(binary, N, instr, sub_op, setFlags):
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
rnKey = utilFunc.getRegKeyByStringKey(binary[22:27])
rnVal = utilFunc.getRegValueByStringkey(binary[22:27],'1')
if(N == 32):
rnVal = rnVal[32:64]
r = 'w'
elif(N == 64):
r = 'x'
imm12 = binary[10:22]
shiftType = binary[8:10]
instr += " " + r + str(rdKey) + ", " + r + str(rnKey) + ", #" + utilFunc.binaryToHexStr(imm12) + ", LSL"
if shiftType == "00":
imm12 = imm12.zfill(N)
instr = instr + " #0"
elif shiftType == "01":
imm12 = (imm12 + '0' * 12).zfill(N)
instr = instr + " #12"
to_store, isSp = utilFunc.addSub(rdKey, rnVal, imm12, sub_op, N, setFlags)
utilFunc.finalize(rdKey, to_store.zfill(const.REG_SIZE), instr, isSp)
def op_i(binary, N, instr, sub_op, setFlags):
rdKey = utilFunc.getRegKeyByStringKey(binary[27:32])
rnKey = utilFunc.getRegKeyByStringKey(binary[22:27])
rnVal = utilFunc.getRegValueByStringkey(binary[22:27], '1')
if (N == 32):
rnVal = rnVal[32:64]
r = 'w'
elif (N == 64):
r = 'x'
imm12 = binary[10:22]
shiftType = binary[8:10]
instr += " " + r + str(rdKey) + ", " + r + str(
rnKey) + ", #" + utilFunc.binaryToHexStr(imm12) + ", LSL"
if shiftType == "00":
imm12 = imm12.zfill(N)
instr = instr + " #0"
elif shiftType == "01":
imm12 = (imm12 + '0' * 12).zfill(N)
instr = instr + " #12"
to_store, isSp = utilFunc.addSub(rdKey, rnVal, imm12, sub_op, N, setFlags)
utilFunc.finalize(rdKey, to_store.zfill(const.REG_SIZE), instr, isSp)
def executeRegs():
i = 0
for x in mem.regFile:
print 'Register' + str(i) + ': ' + utilFunc.binaryToHexStr(x)
i = i + 1
def executeRegs():
i=0;
for x in mem.regFile:
print 'Register'+str(i)+': '+utilFunc.binaryToHexStr(x)
i=i+1
