Exemplo n.º 1
0
 def assy_COP(self):
     return ([
         assy.Arg_verbatim("%d" % self['cop']),
         assy.Arg_verbatim("%d" % self['opc1']),
         self.assy_Rt(),
         assy.Arg_verbatim("CR%d" % self['crn']),
         assy.Arg_verbatim("CR%d" % self['crm']),
         assy.Arg_verbatim("{%d}" % self['opc2']),
     ])
Exemplo n.º 2
0
 def assy_Pzy(self):
     d = self.lang.m[self.hi]
     self.hi += 1   
     return [
         assy.Arg_dst(self.lang.m, d),
         assy.Arg_verbatim("Y"),
     ]
Exemplo n.º 3
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 def assy_Indy(self):
     d = self.lang.m[self.hi]
     self.hi += 1   
     return [
         assy.Arg_dst(self.lang.m, d, pfx="(", sfx=")"),
         assy.Arg_verbatim("Y"),
     ]
Exemplo n.º 4
0
 def assy_Absy(self):
     d = self.lang.m.lu16(self.hi)
     self.hi += 2   
     return [
         assy.Arg_dst(self.lang.m, d),
         assy.Arg_verbatim("Y"),
     ]
Exemplo n.º 5
0
def flow_post_arg(asp, ins):
    z = post_arg.get(ins.dstadr)
    if z is None:
        return
    ins.flow_out.pop(-1)
    if len(z) <= 1:
        a = data.Pstruct(asp, ins.hi, ">h", "%d", ".INFIX").hi
        ins += code.Jump(to=a)
        return
    l = []
    for i in z[1:]:
        if i[1:] == "A6rel":
            r = asp.bs16(ins.hi)
            ins.hi += 2
            if r < 0:
                l.append("(A6-0x%x)" % -r)
            else:
                l.append("(A6+0x%x)" % r)
        elif i[1:] == "abs":
            r = asp.bu16(ins.hi)
            if r & 0x8000:
                r |= 0xffff0000
            ins.hi += 2
            l.append("0x%08x" % r)
        elif i == "drel":
            r = ins.hi + asp.bs16(ins.hi)
            ins.hi += 2
            ins.lcmt += " @0x%x\n" % r
            y = data_double(asp, r)
            l.append("%g" % y.data[0])
        elif i == "brel":
            r = ins.hi + asp.bs16(ins.hi)
            ins.hi += 2
            ins.lcmt += " @0x%x\n" % r
            y = data_bcd(asp, r)
            l.append("%x" % y.data[0])
        elif i == "lrel":
            r = ins.hi + asp.bs16(ins.hi)
            ins.hi += 2
            ins.lcmt += " @0x%x\n" % r
            if not asp.occupied(r):
                data.Pstruct(asp, r, ">L", "%d", ".LONG")
            l.append("%d" % asp.bu32(r))
        elif i == "frel":
            r = ins.hi + asp.bs16(ins.hi)
            ins.hi += 2
            ins.lcmt += " @0x%x\n" % r
            y = data_float(asp, r)
            l.append("%g" % y.val)
        elif i == "bcd":
            r = asp.bu16(ins.hi)
            # y = data.Pstruct(asp, ins.hi, ">H", "%x", ".BCD")
            l.append("%04x" % r)
            ins.hi += 2
        else:
            l.append(i)
    ins.oper.append(assy.Arg_verbatim("(" + ",".join(l) + ")"))
    ins += code.Flow()
Exemplo n.º 6
0
	def flow_post_arg(pj, ins):
		z = post_arg.get(ins.dstadr)
		if z == None:
			return
		ins.flow_out.pop(-1)
		if len(z) <= 1:
			a = data.Pstruct(pj, ins.hi, ">h", "%d", ".INFIX").hi
			ins.add_flow(pj, ">", True, a)
			return
		l = []
		for i in z[1:]:
			if i[1:] == "A6rel":
				r = pj.m.bs16(ins.hi)
				ins.hi += 2
				if r < 0:
					l.append("(A6-0x%x)" % -r)
				else:
					l.append("(A6+0x%x)" % r)
			elif i[1:] == "abs":
				r = pj.m.bu16(ins.hi)
				if r & 0x8000:
					r |= 0xffff0000
				ins.hi += 2
				l.append("0x%08x" % r)
			elif i == "drel":
				r = ins.hi + pj.m.bs16(ins.hi)
				ins.hi += 2
				ins.lcmt += " @0x%x\n" % r
				y = data_double(pj, r)
				l.append("%g" % y.data[0])
			elif i == "brel":
				r = ins.hi + pj.m.bs16(ins.hi)
				ins.hi += 2
				ins.lcmt += " @0x%x\n" % r
				y = data_bcd(pj, r);
				l.append("%x" % y.data[0])
			elif i == "lrel":
				r = ins.hi + pj.m.bs16(ins.hi)
				ins.hi += 2
				ins.lcmt += " @0x%x\n" % r
				y = data.Pstruct(pj, r, ">L", "%d", ".LONG")
				l.append("%d" % y.data[0])
			elif i == "frel":
				r = ins.hi + pj.m.bs16(ins.hi)
				ins.hi += 2
				ins.lcmt += " @0x%x\n" % r
				y = data_float(pj, r)
				l.append("%g" % y.val)
			elif i == "bcd":
				r = pj.m.bu16(ins.hi)
				y = data.Pstruct(pj, ins.hi, ">H", "%x", ".BCD")
				l.append("%04x" % r)
				ins.hi += 2
			else:
				l.append(i)
		ins.oper.append(assy.Arg_verbatim(pj, "(" + ",".join(l) + ")"))
		ins.add_flow(pj, True, True, ins.hi)
Exemplo n.º 7
0
 def assy_cpsr(self):
     t = "CPSR_"
     if self['msk'] & 8:
         t += "f"
     if self['msk'] & 4:
         t += "s"
     if self['msk'] & 2:
         t += "x"
     if self['msk'] & 1:
         t += "c"
     return assy.Arg_verbatim(t)
Exemplo n.º 8
0
    def assy_dst(self, cde=True):
        a = self['adr']
        if a & 0x200:
            a -= 0x400
        if self['c']:
            a += self.lo 

        dd = (a + (1 << 16)) & 0x7fff
        if not self['d']:
            if cde:
                self.dstadr = dd
            return assy.Arg_dst(self.lang.m, dd)
        try:
            d = self.lang.m[dd]
            y = data.Data(self.lang.m, dd, dd + 1)
            y.rendered = ".REF\t0x%04x" % d
            if cde:
                self.dstadr = d
            return [assy.Arg_dst(self.lang.m, d), assy.Arg_verbatim("[Via 0x%04x]" % dd)]
        except mem.MemError:
            pass
        if cde:
            self.dstadr = dd
        return [assy.Arg_dst(self.lang.m, dd), assy.Arg_verbatim("I")]
Exemplo n.º 9
0
def fc_arg(asp, ins, arg):
    ins.flow_out.pop(-1)
    for c in arg:
        b = asp[ins.hi]
        ins.hi += 1
        if c == "T":
            try:
                y = wgstring(asp, b)
                ins.oper.append(assy.Arg_verbatim(y.txt))
            except mem.MemError:
                ins.oper.append(assy.Arg_verbatim("T@0x%x" % b))
        elif c == "F":
            ins.oper.append(assy.Arg_verbatim("FP@0x%x" % b))
            try:
                x = asp[b]
                y = data.Const(asp, b, b + 4)
                y.typ = ".FP"
            except mem.MemError:
                pass
        elif c == "P":
            ins.oper.append(assy.Arg_verbatim("P@0x%x" % b))
        else:
            assert False, "BAD fc_arg spec: " + c
    ins += code.Flow()
Exemplo n.º 10
0
 def assy_chn(self):
     ''' ... '''
     chain = {
         0x00: "M.MAR",
         0x01: "M.DREG_FULL",
         0x02: "M.DREG_VAL_PAR",
         0x03: "TV.WDR",
         0x04: "V.UIR",
         0x05: "T.UIR",
         0x06: "F.MAR",
         0x07: "F.MDREG",
         0x08: "F.UIR",
         0x09: "S.TYPVAL",
         0x0a: "S.UIR",
         0x0b: "S.DECODER",
         0x0c: "S.MISC",
         0x0d: "I.DUMMY",
     }.get(self['chn'], "%02x" % self['chn'])
     return assy.Arg_verbatim("{" + chain + ":%02x}" % self['fsm'])
Exemplo n.º 11
0
 def assy_fsm(self):
     ''' ... '''
     return assy.Arg_verbatim("{%02x}" % self['fsm'])
Exemplo n.º 12
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 def assy_vec(self):
     ''' ... '''
     return assy.Arg_verbatim("[0x%x]" % self['vec'])
Exemplo n.º 13
0
 def assy_Rs(self):
     typ = self['typ']
     rs = self['rs']
     return assy.Arg_verbatim("%s,%s" %
                              (["lsl", "lsr", "asr", "ror"][typ], REG[rs]))
Exemplo n.º 14
0
 def assy_w(self):
     if (self['w']):
         return assy.Arg_verbatim("!")
Exemplo n.º 15
0
 def assy_vrn(self):
     return assy.Arg_verbatim("[%s]" % REG[self['rn']])
Exemplo n.º 16
0
 def assy_imm5(self):
     return assy.Arg_verbatim("#0x%x" % self['imm5'])