Example #1
0
	def vectors(self, pj, hi=0x400):
		y = data.Const(pj, 0, 4, "0x%08x", pj.m.bu32, 4)
		y.lcmt = "Reset SP"
		vn = {}
		vi = {}
		a = 0x4
		while a < hi:
			x = pj.m.bu32(a)
			if x in (0x0, 0xffffffff):
				y = data.Const(pj, a, a + 4,
				    "0x%04x", pj.m.bu32, 4)
			else:
				if x not in vn:
					vi[x] = self.disass(pj, x)
					vn[x] = []
				vn[x].append(a >> 2)
				if x > a:
					y = data.Codeptr(pj, a, a + 4, x)
			y.lcmt = self.vector_name(a >> 2)
			hi = min(hi, x)
			a += 4
		mv = 0
		for i in vn:
			for v in vn[i]:
				k = self.vector_name(v)
				if vi[i] != None:
					vi[i].lcmt += "--> " + k + "\n"

			if len(vn[i]) == 1:
				k = self.vector_name(vn[i][0])
				pj.set_label(i, k)
			else:
				pj.set_label(i, "VECTORS_%d" % mv)
				mv += 1
Example #2
0
def flow_switch(asp, ins):
    if ins.dstadr != 0x2f38:
        return
    ins.flow_out.pop(0)
    ins += code.Flow(cond="?")
    asp.set_label(ins.hi, "break_%04x" % ins.lo)

    y = data.Const(asp, ins.lo - 2, ins.lo)
    ncase = asp.bu16(ins.lo - 2)
    y.typ = ".NCASE"
    y.fmt = "%d" % ncase
    cs = switches.get(ins.lo)
    if cs is None:
        cs = {}
    a = ins.lo - 2
    for i in range(ncase):
        a -= 2
        ct = cs.get(i)
        if ct is None:
            ct = "_%d" % i

        w = data.Const(asp, a, a + 2)
        z = asp.bs16(a)
        w.typ = ".CASE"
        w.fmt = "0x%x, %d" % (i, z)

        w.fmt += ", 0x%04x" % (ins.hi + z)
        ins += code.Jump(cond="0x%x" % i, to=ins.hi + z)
        if z < 0:
            asp.set_label(ins.hi + z, ".case_%04x_%s" % (ins.lo, ct))
Example #3
0
	def flow_switch(pj, ins):
		if ins.dstadr != 0x2f38:
			return
		ins.flow_out.pop(0)
		ins.add_flow(pj, ">", "?", ins.hi)
		pj.set_label(ins.hi, "break_%04x" % ins.lo)

		y = data.Const(pj, ins.lo - 2, ins.lo)
		ncase = pj.m.bu16(ins.lo - 2)
		y.typ = ".NCASE"
		y.fmt = "%d" % ncase
		cs = switches.get(ins.lo)
		if cs == None:
			cs = {}
		a = ins.lo - 2
		for i in range(ncase):
			a -= 2
			ct = cs.get(i)
			if ct == None:
				ct = "_%d" % i

			w = data.Const(pj, a, a + 2)
			z = pj.m.bs16(a)
			w.typ = ".CASE"
			w.fmt = "0x%x, %d" % (i,z)

			w.fmt += ", 0x%04x" % (ins.hi + z)
			ins.add_flow(pj, ">", "0x%x" % i, ins.hi + z)
			if z < 0:
				pj.set_label(ins.hi + z, ".case_%04x_%s" % (ins.lo, ct))
Example #4
0
def romsum(pj):
	b = 0
	c = 0
	for x in range(pj.m.lo, pj.m.hi):
		b += pj.m[x] + c
		c = b >> 8
		c = 1
		b &= 0xff
	print("CKSUM(0x%04x-0x%04x) = 0x%x" % (pj.m.lo, pj.m.hi, b))

	if pj.pg == 0:
		y = data.Const(pj, 0x4002, 0x4003)
		pj.m.set_label(y.lo, "EPROM_PAGES")

	if pj.pg < 4:
		assert b == pj.pg

		y = data.Const(pj, 0x4001, 0x4002)
		pj.m.set_label(y.lo, "EPROM_SUM_%d" % pj.pg)

		y = data.Const(pj, 0x4000, 0x4001, "'%c'")
		assert pj.m[y.lo] == 0x30 + pj.pg
		pj.m.set_label(y.lo, "EPROM_PAGE_%d" % pj.pg)

	else:
		assert b == 0
Example #5
0
def example():

    m = mem.Stackup((FILENAME,), nextto=__file__)
    m2 = mem.WordMem(0, m.hi >> 1, bits=16)
    for a in range(m.lo, m.hi, 2):
       m2[a >> 1] = m.bu16(a)
    cx = hp_hybrid.hp_hybrid()
    cx.m.map(m2, 0x20, offset=0x20)
    cx.flow_check.append(fc_call)

    rom_checksum(cx.m)

    for a, b in SYMBOLS.items():
        if b[0] == '_':
            cx.m.set_label(a, b[1:])
            cx.disass(a)
        elif b[0] == '#':
            cx.m.set_label(a, b[1:])
            y = data.Data(cx.m, a, a + 1)
            y.rendered = ".CONST\t0x%04x" % cx.m[a]
        else:
            cx.m.set_label(a, b)

    pat4244024.appendix_b_1(cx, 0x3a49)
    pat4244024.appendix_b_2(cx, 0x3ac2)
    pat4244024.appendix_b_3(cx, 0x3ca5)
    pat4244024.appendix_b_4(cx, 0x3d2c)
    pat4244024.appendix_b_5(cx, 0x3d4b)
    pat4244024.appendix_b_7(cx, 0x3df0)
    pat4244024.appendix_b_8(cx, 0x3e02)
    pat4244024.appendix_b_9(cx, 0x3e13)
    pat4244024.appendix_b_10(cx, 0x3e30)
    pat4244024.appendix_b_11(cx, 0x3e4a)
    pat4244024.appendix_b_12(cx, 0x3e6c)
    pat4244024.appendix_b_13(cx, 0x3e78)
    pat4244024.appendix_b_15(cx, 0x3e86)
    pat4244024.appendix_b_16(cx, 0x3ebc)
    pat4244024.appendix_b_17(cx, 0x3ebf)
    pat4244024.appendix_b_18(cx, 0x3ec2)
    pat4244024.appendix_b_21(cx, 0x3a35)
    pat4244024.appendix_b_28a(cx, 0x0020)
    pat4244024.appendix_b_28b(cx, 0x0200)

    if True:
        for a in range(0x3ef, 0x40a):
            data.Const(cx.m, a, a + 1)
            y = wgstring(cx.m, cx.m[a])
            y.compact = True
        for a in range(0x1ebb, 0x1ec6):
            data.Const(cx.m, a, a + 1)
            y = wgstring(cx.m, cx.m[a])
            y.compact = True

    cx.disass(0x20)

    code.lcmt_flows(cx.m)

    return NAME, (cx.m,)
Example #6
0
def fc_case(asp, ins, _arg):
    ins.flow_out.pop(-1)
    a = ins.lo - 1
    n = asp[a]
    data.Const(asp, a, a + 1)
    while n < 65535:
        a -= 1
        y = data.Const(asp, a, a + 1)
        ins += code.Jump(cond="?", to=asp[a])
        n += 1
Example #7
0
 def vector(self, a, n):
     self.m.set_label(a, n + "_RSV")
     data.Const(self.m, a, a + 2, func=self.as_mem.bu16, size=2, fmt="0x%04x")
     a += 2
     self.m.set_label(a, n + "_PSW")
     data.Const(self.m, a, a + 2, func=self.as_mem.bu16, size=2, fmt="0x%04x")
     a += 2
     y = self.codeptr(a)
     self.m.set_label(y.dst, n + "_VEC")
     return y.dst
Example #8
0
 def tt3_2(a):
     if a in tt:
         return
     tt[a] = True
     tt_output2(pj, a)
     return
     softlbl(a, "tt3_2_%04x" % a)
     while True:
         if pj.m.rd(a + 2) > 2:
             break
         data.Const(pj, a, a + 2, fmt="0x%02x")
         fp(pj, a + 2, a + 6)
         a += 6
     data.Const(pj, a, a + 2, fmt="0x%02x")
Example #9
0
 def tt3_2(a):
     if a in tt:
         return
     tt[a] = True
     tt_output2(cx, a)
     return
     softlbl(a, "tt3_2_%04x" % a)
     while True:
         if cx.m[a + 2] > 2:
             break
         data.Const(cx.m, a, a+2, fmt="0x%02x")
         fp(cx, a + 2, a + 6)
         a += 6
     data.Const(cx.m, a, a+2, fmt="0x%02x")
    def __init__(self, cx, lo, lbl=None):
        self.cx = cx
        self.lo = lo
        self.lbl = lbl

        if self.lbl:
            self.cx.m.set_label(self.lo, self.lbl)
        else:
            self.cx.m.set_label(self.lo, "BITSPEC_%04x" % self.lo)
        adr = self.lo
        while self.cx.m[adr] != 0xff:
            item = data.Data(self.cx.m, adr, adr + 9)
            tbl = []
            for _j in range(8):
                j = self.cx.m[adr]
                adr += 1
                if j != 0x1f:
                    tbl.append("+0x%02x.%d" % (j & 0x1f, 7 - (j >> 5)))
                else:
                    tbl.append("NOP    ")
            tbl.append("0x%02x" % self.cx.m[adr])
            adr += 1
            item.rendered = ".BITPOS\t" + ", ".join(tbl)
            item.compact = True
        data.Const(self.cx.m, adr, adr + 1)
Example #11
0
    def tt5(a, f, l=None, ex=0):
        if l == None:
            l = []
        pj.set_label(a, "tt5_%04x" % a)
        while True:
            ll = list(l)
            if pj.m.rd(a) == 0:
                data.Const(pj, a, a + 1)
                break
            t = pj.m.rd(a)
            if t in token:
                ll.append(token[t])
            else:
                ll.append("T%02x" % t)
            e = pj.m.rd(a + 1)
            if e != 0:
                ex = f + e * 2
                z = pj.m.bu16(ex)
                # print("%04x" % a, "%04x" % z, "A %02x" % e, ll)
                pj.set_label(z, "cmd_" + "_".join(ll))
            tt_5(pj, a)
            x = pj.m.bu16(a + 2)
            if x != 0:
                tt5(x, f, ll, ex)
            else:
                # print("%04x" % a, ll, "%04x" % ex)
                y = pj.t.find_lo(ex)
                y[0].lcmt += " ".join(ll) + "\n"
                # print(y)

            a += 4
Example #12
0
 def assy_sw(self):
     ''' Decode switch table '''
     dreg = self['dreg1']
     if dreg != self['dreg2']:
         raise assy.Invalid()
     if dreg != self['dreg3']:
         raise assy.Invalid()
     ptr = self.hi
     fin = self.lang.m.bu16(self.hi) + self.hi
     n = 0
     while ptr < fin:
         i = self.lang.m.bs16(ptr)
         d = self.hi + i
         if i > 0:
             fin = min(fin, d)
         self += code.Jump(cond="0x%x" % n, to=d)
         data.Const(self.lang.m,
                    ptr,
                    ptr + 2,
                    size=2,
                    func=self.lang.m.bu16)
         self.lang.m.set_line_comment(ptr, "[0x%x] -> 0x%x" % (n, d))
         self.lang.m.set_label(d, "switch@0x%x[0x%x]" % (self.lo, n))
         ptr += 2
         n += 1
     return "D%d.W" % dreg
Example #13
0
    def tt5(a, f, l = None, ex = 0):
        if l == None:
            l = []
        cx.m.set_label(a, "tt5_%04x" % a)
        while True:
            ll = list(l)
            if cx.m[a] == 0:
                if not cx.m.occupied(a):
                    data.Const(cx.m, a, a + 1)
                break
            t = cx.m[a]
            if t in token:
                ll.append(token[t])
            else:
                ll.append("T%02x" % t)
            e = cx.m[a + 1]
            if e != 0:
                ex = f + e * 2
                z = cx.m.bu16(ex)
                # print("%04x" % a, "%04x" % z, "A %02x" % e, ll)
                cx.m.set_label(z, "cmd_" + "_".join(ll))
            if a not in tt5s:
                tt5s[a] = tt_5(cx.m, a)
            x = cx.m.bu16(a + 2)
            if x != 0:
                tt5(x, f, ll, ex)
            else:
                #print("%04x" % a, ll, "%04x" % ex)
                for y in cx.m.find(ex):
                    y.lcmt += " ".join(ll) + "\n"
                #print(y)

            a += 4
def round_0(cx):
    ''' Things to do before the disassembler is let loose '''

    for a in (
        0x201ec,
        0x20212,
        0x20226,
    ):
        data.Txt(cx.m, a, a + 1);

    cx.m.set_label(0x20298, "board_id_list")
    data.Const(cx.m, 0x20298, 0x2029e)

    for a in (
        0x201b2,
        0x201ba,
        0x201c2,
        0x201ca,
        0x201d2,
    ):
        data.Txt(cx.m, a, a + 8)
    for a, b in (
        (0x20924, "Load_RegFile_Only()"),
        (0x20b7a, "Load_RegFile_Dispatch()"),
        (0x2102a, "Load_Control_Store()"),
    ):
        cx.m.set_label(a, b)
        cx.m.set_block_comment(a, b)
    
    cx.m.set_block_comment(0x2115a, "idx=0, adr=6, TYP")
    cx.m.set_block_comment(0x211a6, "idx=1, adr=7, VAL")
    cx.m.set_block_comment(0x211f4, "idx=2, adr=3, FIU")
    cx.m.set_block_comment(0x21242, "idx=4, adr=4, IOC")
    cx.m.set_block_comment(0x21300, "idx=3, adr=2, SEQ")
Example #15
0
def task(pj, cx):
    pj.todo(0x0000, cx.disass)

    # 0x70e5
    pj.todo(0x0027, cx.disass)

    pj.todo(0x0066, cx.disass)

    x = data.Const(pj, 0x0068, 0x0800)
    x.typ = ".BYTE"
    x.fmt = "{Payload moved to 0x7000}"

    pj.todo(0x70d0, cx.disass)

    pj.todo(0x7322, cx.disass)
    pj.todo(0x7615, cx.disass)

    # Interrupt vector table
    for a in range(16):
        cx.codeptr(pj, 0x7300 + a * 2)

    data.Txt(pj, 0x707d, 0x707d + 0x14, label=False)
    data.Txt(pj, 0x70b0, 0x70b0 + 0xf, label=False)
    data.Txt(pj, 0x7092, 0x7092 + 0x1d, label=False)
    data.Txt(pj, 0x73f0, 0x73f0 + 0x12, label=False)
    data.Txt(pj, 0x7071, 0x7071 + 0x6, label=False)
    data.Txt(pj, 0x7077, 0x7077 + 0x6, label=False)

    discover.Discover(pj, cx)

    pj.set_label(0x7068, "memcpy(BC, DE,  L)")
Example #16
0
def mopup(pj, cpu):
	if len(pj.cc_locs) > 0:
		l = list(pj.cc_locs)
		l.sort()
		a = l[0]
		b = l[0] + 1
		for i in l[1:]:
			if i == b:
				b += 1
				continue
			y = data.Const(pj, a, b)
			y.typ = ".COMP"
			a = i;
			b = i + 1
		y = data.Const(pj, a, b)
		y.typ = ".COMP"
 def drive_desc(a):
     z = data.Const(cx.m, a, a + 0x14)
     cx.dataptr(a + 0x14)
     z = data.Const(cx.m, a + 0x18)
     cx.m.set_line_comment(z.lo, "Drive number")
     z = data.Const(cx.m, a + 0x2b, a + 0x2b + 4)
     cx.m.set_line_comment(z.lo, ".lba")
     z = data.Const(cx.m, a + 0x19, a + 0x1f)
     z = data.Const(cx.m, a + 0x20, a + 0x2b)
     z = data.Const(cx.m, a + 0x2f)
     z = data.Const(cx.m, a + 0x30, a + 0x3f)
     z = data.Const(cx.m, a + 0x40, a + 0x4f)
     z = data.Const(cx.m, a + 0x50, a + 0x5c)
Example #18
0
	def tx(a, pfx):
		t0 = a
		while pj.m[a] != 0:
			y = lex(pj, a, pfx)
			a = y.hi
			if y.f == 0:
				b = pj.m.bu16(y.lo + 2)
				p = pfx + "%c" % pj.m[y.lo]
				pj.m.set_label(b, "LEX_" + p)
				tx(b, p)
		data.Const(pj, a, a + 1)
Example #19
0
	def t1(a):
		while True:
			data.Const(pj, a, a + 1)
			if pj.m.rd(a) == 0:
				return;
			a += 1
			y = data.Txt(pj, a)
			a = y.hi
			cpu.codeptr(pj, a)
			z = pj.m.bu16(a)
			pj.set_label(z, "func_" + y.txt)
			a += 2
 def flow_check(self, asp, ins):
     if hasattr(ins, "fixed_10568"):
         return
     ins.flow_out = []
     ins.flow_R()
     ptr = ins.hi
     exp_name_len = asp[ins.hi + 2]
     data.Const(asp, ptr, ptr + 3)
     ptr += 3
     y = data.Txt(asp, ptr, ptr + exp_name_len, label=False)
     ptr += exp_name_len
     narg = asp[ptr + 2] + asp[ptr + 3]
     z = data.Const(asp, ptr, ptr + 4 + narg)
     ptr = z.hi
     lbl = "exp_" + y.txt + "("
     asp.set_label(ins.lo, lbl + ")")
     # ins.compact = True
     if ptr & 1 and not asp[ptr]:
         z = data.Const(asp, ptr, ptr + 1)
         z.typ = ".PAD"
     ins.fixed_10568 = True
Example #21
0
    def arg_o(self, pj, sd):
        to = self['t' + sd]
        o = self[sd]
        nm = 'G' + sd
        if to == 0:
            return "R%d" % o
        if to == 1:
            return "*R%d" % o

        if to == 2:
            v = pj.m.bu16(self.hi)
            self.hi += 2
            self[nm] = v
            if o != 0:
                return "R%d+#0x%04x" % (o, v)

            x = pj.find(v)
            if len(x) > 0:
                return assy.Arg_ref(pj, x[0])

            try:
                w = pj.m.bu16(v)
            except:
                return assy.Arg_dst(pj, v, "@")

            # print("XXX", "%04x" % v, "%04x" % w, self.mne)
            if self.mne[-1] == "b":
                c = data.Const(pj, v, v + 1)
                c.typ = ".BYTE"
                c.fmt = "0x%02x" % pj.m.rd(v)
            else:
                c = data.Const(pj, v, v + 2)
                c.typ = ".WORD"
                c.fmt = "0x%04x" % w
            return assy.Arg_ref(pj, c)

        if to == 3:
            return "*R%d+" % o
Example #22
0
def round_0(cx):
    ''' Things to do before the disassembler is let loose '''
    ioc_hardware.add_symbols(cx.m)
    ioc_eeprom_exports.add_symbols(cx.m)
    cx.it.load_string(KERNEL_DESC, KernelIns)
    cx.dfs_syscalls = dfs_syscalls.DfsSysCalls()
    ioc_eeprom_exports.add_flow_check(cx)

    cx.dataptr(0x408)

    y = data.Const(cx.m, 0x410, 0x416, "%d", cx.m.bu16, 2)
    cx.m.set_line_comment(y.lo, "Version number")

    cx.dataptr(0x416)
Example #23
0
    def arg_o(self, sd):
        to = self['t' + sd]
        o = self[sd]
        nm = 'G' + sd
        if to == 0:
            return "R%d" % o
        if to == 1:
            return "*R%d" % o

        if to == 2:
            v = self.lang.m.bu16(self.hi)
            self.hi += 2
            self[nm] = v
            if o != 0:
                return "R%d+#0x%04x" % (o, v)

            x = list(self.lang.m.find(v))
            if x:
                return assy.Arg_ref(self.lang.m, x[0])

            try:
                w = self.lang.m.bu16(v)
            except:
                return assy.Arg_dst(self.lang.m, v, "@")

            if self.mne[-1] == "b":
                c = data.Const(self.lang.m, v, v + 1)
                c.typ = ".BYTE"
                c.fmt = "0x%02x" % self.lang.m[v]
            else:
                c = data.Const(self.lang.m, v, v + 2)
                c.typ = ".WORD"
                c.fmt = "0x%04x" % w
            return assy.Arg_ref(self.lang.m, c)

        if to == 3:
            return "*R%d+" % o
Example #24
0
def round_1(cx):
    ''' Let the disassembler loose '''

    for key, desc in ioc_eeprom_exports.RESHA_PROGRAMS.items():
        a = BASE + SEGMENT * (key & 0xff)
        ptr = a + (key >> 7)
        data.Const(cx.m, ptr, ptr + 2, func=cx.m.bu16, size=2)
        prog = a + cx.m.bu16(ptr)
        cx.disass(prog)
        cx.m.set_label(prog, "RESHA_PROGRAM_%04x" % key)
        t = "RESHA PROGRAM 0x%04x @0x%08x - " % (key, prog) + desc
        cx.m.set_block_comment(prog, t)
        cx.m.set_line_comment(ptr, t)

    for a in range(0x734ea, 0x73542, 4):
        b = cx.m.bu32(a)
        if 0x72000 <= b <= 0x74000:
            cx.codeptr(a)

    for a, b in (
        (0x76040, 0x76084),
        (0x767f2, 0x767fe),
    ):
        for i in range(a, b, 4):
            cx.codeptr(i)

    for a, b in (
        (0x730a8, None),
        (0x73258, None),
        (0x733a2, None),
        (0x73396, None),
        (0x74266, "SCSI_D_TEST_UNIT_READY"),
        (0x743dc, "SCSI_D_SOFT_RESET()"),
        (0x7459a, "SCSI_D_AWAIT_INTERRUPT()"),
        (0x77386, "SCSI_T_AWAIT_INTERRUPT()"),
        (0x77662, None),
    ):
        cx.disass(a)
        if b:
            cx.m.set_label(a, b)

    for a, b in (
        (0x000743e6, "SCSI_ID=7, EnableAdvancedFeatures"),
        (0x000743ee, "CMD=Soft Reset"),
        (0x71206, "????"),
        (0x71212, "B#13 = GOOD_PARITY"),
        (0x714da, "B#13 = GOOD_PARITY"),
    ):
        cx.m.set_line_comment(a, b)
Example #25
0
 def t1(a, l):
     pj.set_label(a, l)
     while True:
         data.Const(pj, a, a + 1)
         if pj.m.rd(a) == 0:
             return
         a += 1
         y = data.Txt(pj, a, align=1, label=False)
         a = y.hi
         cpu.codeptr(pj, a)
         z = pj.m.bu16(a)
         if False:
             # XXX: doesn't work for ERROR
             print("XXX %04x" % (z - 3), y.txt)
             pj.todo(z - 3, cpu.disass)
         pj.set_label(z, "func_" + y.txt)
         a += 2
Example #26
0
 def t1(a, l):
     cx.m.set_label(a, l)
     while True:
         data.Const(cx.m, a, a + 1)
         if cx.m[a] == 0:
             return;
         a += 1
         y = data.Txt(cx.m, a, align=1, label=False)
         a = y.hi
         cx.codeptr(a)
         z = cx.m.bu16(a)
         if False:
             # XXX: doesn't work for ERROR
             print("XXX %04x" % (z-3), y.txt)
             cx.disass(z - 3)
         cx.m.set_label(z, "func_" + y.txt)
         a += 2
Example #27
0
    def assy_a_rn(self):
        ''' Addressing mode Rn/U/P/W '''
        imm32 = self['imm12']
        rn = REG[self['rn']]
        if self['u']:
            imm = "#0x%x" % imm32
        else:
            imm = "#-0x%x" % imm32

        p = self.lim[-1].flds.get('p')
        w = self.lim[-1].flds.get('w')

        if not p:
            if not w:
                #return [assy.Arg_verbatim("[%s]" % rn), assy.Arg_dst(self.lang.m, imm)]
                return "[%s]," % rn + imm
            raise assy.Invalid("a_rn mode wrong (!p,w)")

        if w:
            return "[%s," % rn + imm + "]!"

        if self['rn'] != 15 or OBJDUMP_COMPAT:
            if imm32:
                return "[%s," % rn + imm + "]"
            return "[%s]" % rn

        if self['u']:
            t = self.hi + 4 + imm32
        else:
            t = self.hi + 4 - imm32
        try:
            v = self.lang.m.lu32(t)
            if not self.lang.m.occupied(t):
                data.Const(self.lang.m,
                           t,
                           t + 4,
                           func=self.lang.m.lu32,
                           size=4)
            self.lcmt += "[%s,%s] = [#0x%x]\n" % (rn, imm, t)
            return assy.Arg_dst(self.lang.m, v, pfx="#")
            return "#0x%x" % v
        except:
            self.lcmt += "[%s,%s]\n" % (rn, imm)
            return "[#0x%x]" % t
Example #28
0
def rom_checksum(asp):
    sl = -1
    sh = -1
    for a in range(0x20, 0x4000):
        sh += asp[a] >> 8
        sl += asp[a] & 0xff
        if (a & 0x7ff) == 0x7ff:
            sh &= 0xffff
            sl &= 0xffff
            d = 0x8000 + (a + 1)
            d = d >> 10
            d += 6
            y = data.Const(asp, d, d + 2)
            y.lcmt += "ROM Checksum"
            assert sh == asp[d]
            assert sl == asp[d + 1]
            sl = -1
            sh = -1
    print("ROM Checksum good")
Example #29
0
    def assy_a_imm4(self):
        imm32 = (self['imm4h'] << 4) | self['imm4l']
        if self['u']:
            imm = "#0x%x" % imm32
        else:
            imm = "#-0x%x" % imm32
        p = self.lim[-1].flds.get('p')
        w = self.lim[-1].flds.get('w')
        rn = REG[self['rn']]

        if not p:
            if not w:
                return "[%s]," % rn + imm
            raise assy.Invalid("a_imm4 mode wrong (!p,w)")

        if w:
            return "[%s," % rn + imm + "]!"

        if True or self['rn'] != 15 or OBJDUMP_COMPAT:
            if imm32:
                return "[%s," % rn + imm + "]"
            return "[%s]" % rn

        if self['u']:
            t = self.hi + 4 + imm32
        else:
            t = self.hi + 4 - imm32
        try:
            v = self.lang.m.lu32(t)
            if not self.lang.m.occupied(t):
                data.Const(self.lang.m,
                           t,
                           t + 4,
                           func=self.lang.m.lu32,
                           size=4)
            self.lcmt += "[%s,%s] = [#0x%x]\n" % (rn, imm, t)
            return "#0x%x" % v
        except:
            self.lcmt += "[%s,%s]\n" % (rn, imm)
            return "[#0x%x]" % t
Example #30
0
def round_0(cx):
    ''' Things to do before the disassembler is let loose '''
    ioc_eeprom_exports.add_flow_check(cx)

    for a in range(BASE, BASE + SIZE, SEGMENT):
        cx.m.set_block_comment(a, "PROGRAM VECTORS")
        data.Const(cx.m, a, a + 2)

    for a, b in ((0x76084, 0x760c8), ):
        for i in range(a, b, 4):
            y = cx.dataptr(i)
            data.Txt(cx.m, y.dst)

    for a, b in (
        (0x7063e, 0x70708),
        (0x71025, 0x7105f),
        (0x712a6, 0x7130c),
        (0x719f2, 0x71a99),
        (0x74006, 0x7412e),
        (0x76248, 0x763b1),
    ):
        i = a
        while i < b:
            y = data.Txt(cx.m, i, splitnl=True)
            i = y.hi

    for a in range(0x765e4, 0x76650, 6):
        y = cx.dataptr(a + 2)
        data.Txt(cx.m, y.dst)

    for a in (
            0x7200a,
            0x769ce,
            0x769ec,
            0x76a0a,
            0x76a28,
    ):
        data.Txt(cx.m, a, splitnl=True)