Esempio n. 1
0
def main():
    sys = ila.Abstraction("test")
    r0 = sys.reg('r0', 8)
    r1 = sys.reg('r1', 8)

    a = sys.bit('a')
    b = sys.bit('b')

    ex = ila.choice("function", r0 + r1, r0 - r1, r0 + r1 + 1)
    resfoo = sys.syn_elem("sum", ex, foo)
    assert sys.areEqual(resfoo, r0 + r1)

    resbar = sys.syn_elem("diff", ex, bar)
    assert sys.areEqual(resbar, r0 - r1)

    a1 = ila.choice("a1", a, ~a, a & b, a | b)
    b1 = ila.choice("b1", [b, ~b, a & b, a | b, a ^ b])

    a2 = ila.choice("a2", a, ~a)
    b2 = ila.choice("b2", b, ~b)

    t1 = a1 & b1
    t2 = a2 & b2
    y = t1 | t2
    resbaz = sys.syn_elem("baz", y, baz)
    assert sys.areEqual(resbaz, a ^ b)

    resshaz = sys.syn_elem("shaz", y, shaz)
    assert sys.areEqual(resshaz, ~(a ^ b))

    c = ila.inrange("cnst", sys.const(0x00, 8), sys.const(0xff, 8))
    z = ila.choice("func_z", r0 + r1 + c, r0 + r1 - c)
    resdaz = sys.syn_elem("daz", z, daz)
    assert sys.areEqual(resdaz, r0 + r1 + 0x44)

    slc0 = ila.readslice("r0slice", r0, 4)
    slc1 = ila.readchunk("r1chunk", r1, 4)
    res = ila.choice('slice', slc0 + slc1, slc0 - slc1)
    resrmz = sys.syn_elem("razmatazz", res, razmatazz)
    assert sys.areEqual(resrmz, r0[3:0] + r1[7:4])

    nr0 = ila.writeslice("wr0slice", r0, slc0)
    resjazz = sys.syn_elem("jazz", nr0, jazz)
    assert sys.areEqual(resjazz, ila.concat(r0[3:0], r0[3:0]))

    nr1 = ila.writechunk("wr0chunk", r0, slc0)
    resjazy = sys.syn_elem("jazz", nr1, jazz)
    assert sys.areEqual(resjazy, ila.concat(r0[3:0], r0[3:0]))
Esempio n. 2
0
def createAESILA(enable_ps):
    m = ila.Abstraction("aes")
    m.enable_parameterized_synthesis = enable_ps

    # I/O interface: this is where the commands come from.
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)
    # response.
    dataout = m.reg('dataout', 8)

    # internal arch state.
    state = m.reg('aes_state', 2)
    opaddr = m.reg('aes_addr', 16)
    oplen = m.reg('aes_len', 16)
    keysel = m.reg('aes_keysel', 1)
    ctr = m.reg('aes_ctr', 128)
    key0 = m.reg('aes_key0', 128)
    key1 = m.reg('aes_key1', 128)

    # for the uinst.
    xram = m.mem('XRAM', 16, 8)
    aes = m.fun('aes', 128, [128, 128, 128])

    # fetch is just looking at the input command.
    m.fetch_expr = ila.concat([state, cmd, cmdaddr, cmddata])
    m.fetch_valid = (cmd == 1) | (cmd == 2)

    # decode
    rdcmds = [(state == i) & (cmd == 1) & (cmdaddr == addr)
              for addr in xrange(0xff00, 0xff40) for i in [0, 1, 2, 3]]
    wrcmds = [(state == 0) & (cmd == 2) & (cmdaddr == addr)
              for addr in xrange(0xff00, 0xff40)]
    nopcmds = [
        ((state != 0) & (cmd != 1)) | ((state == 0) & (cmd != 1) & (cmd != 2))
    ]

    m.decode_exprs = rdcmds + wrcmds + nopcmds

    # read commands
    statebyte = ila.zero_extend(state, 8)
    opaddrbyte = ila.readchunk('rd_addr', opaddr, 8)
    oplenbyte = ila.readchunk('rd_len', oplen, 8)
    keyselbyte = ila.zero_extend(keysel, 8)
    ctrbyte = ila.readchunk('rd_ctr', ctr, 8)
    key0byte = ila.readchunk('rd_key0', key0, 8)
    key1byte = ila.readchunk('rd_key1', key1, 8)
    dataoutnext = ila.choice('dataout', [
        statebyte, opaddrbyte, oplenbyte, keyselbyte, ctrbyte, key0byte,
        key1byte,
        m.const(0, 8)
    ])
    m.set_next('dataout', dataoutnext)

    # write commands.
    def mb_reg_wr(name, reg):
        # multibyte register write.
        reg_wr = ila.writechunk('wr_' + name, reg, cmddata)
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    mb_reg_wr('aes_addr', opaddr)
    mb_reg_wr('aes_len', oplen)
    mb_reg_wr('aes_ctr', ctr)
    mb_reg_wr('aes_key0', key0)
    mb_reg_wr('aes_key1', key1)

    # bit-level registers
    def bit_reg_wr(name, reg, sz):
        # bitwise register write
        assert reg.type.bitwidth == sz
        reg_wr = cmddata[sz - 1:0]
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    bit_reg_wr('aes_keysel', keysel, 1)

    # these are for the uinst
    um = m.add_microabstraction('aes_compute', state != 0)

    # read data
    rd_data = um.reg('rd_data', 128)
    enc_data = um.reg('enc_data', 128)
    byte_cnt = um.reg('byte_cnt', 4)
    oped_byte_cnt = um.reg('oped_byte_cnt', 16)
    blk_cnt = um.reg('blk_cnt', 16)
    um.set_init('byte_cnt', um.const(0, 4))
    um.set_init('blk_cnt', um.const(0, 16))
    um.set_init('oped_byte_cnt', um.const(0, 16))
    uxram = m.getmem('XRAM')

    byte_cnt_16b = ila.zero_extend(byte_cnt, 16)

    um.fetch_expr = state
    um.decode_exprs = [(state == i) & (byte_cnt == j) for j in xrange(16)
                       for i in [1, 2, 3]]

    usim = lambda s: AESmicro().simMicro(s)

    # byte_cnt
    byte_cnt_inc = byte_cnt + 1
    byte_cnt_buf = ila.choice('byte_cnt_buf', [byte_cnt_inc, byte_cnt])
    byte_cnt_nxt = ila.choice(
        'byte_cnt_nxt', [byte_cnt_inc, m.const(0, 4), byte_cnt])
    um.set_next('byte_cnt', byte_cnt_nxt)

    # oped_byte_cnt
    oped_byte_cnt_inc = oped_byte_cnt + 16
    oped_byte_cnt_nxt = ila.choice(
        'oped_byte_cnt_nxt',
        [m.const(0, 16), oped_byte_cnt, oped_byte_cnt_inc])
    um.set_next('oped_byte_cnt', oped_byte_cnt_nxt)

    # blk_cnt
    blk_cnt_inc = blk_cnt + 16
    more_blocks = (oped_byte_cnt_inc < oplen)
    blk_cnt_nxt = ila.choice('blk_cnt_nxt', [
        m.const(0, 16), blk_cnt, blk_cnt_inc,
        ila.ite(more_blocks, blk_cnt_inc, blk_cnt)
    ])
    um.set_next('blk_cnt', blk_cnt_nxt)

    # ustate
    ustate = um.getreg('aes_state')
    ustate_nxt = ila.choice('ustate_next', [
        m.const(0, 2),
        m.const(1, 2),
        m.const(2, 2),
        m.const(3, 2), ustate,
        ila.ite(more_blocks, m.const(1, 2), m.const(0, 2))
    ])
    um.set_next('aes_state', ustate_nxt)

    # rd_data
    rdblock = ila.writechunk("rd_data_chunk", rd_data,
                             ila.load(uxram, opaddr + blk_cnt + byte_cnt_16b))
    rd_data_nxt = ila.choice('rd_data_nxt', rdblock, rd_data)
    um.set_next('rd_data', rd_data_nxt)

    # enc_data
    aes_key = ila.ite(keysel == 0, key0, key1)
    aes_enc_data = ila.appfun(aes, [ctr, aes_key, rd_data])
    enc_data_nxt = ila.ite(state == 2, aes_enc_data, enc_data)
    um.set_next('enc_data', enc_data_nxt)
    #print um.get_next('enc_data')

    # xram write
    xram_w_data = ila.readchunk('enc_data_chunk', enc_data, 8)
    xram_w_addr = opaddr + blk_cnt + byte_cnt_16b
    xram_w_aes = ila.store(uxram, xram_w_addr, xram_w_data)
    xram_nxt = ila.choice('xram_nxt', uxram, xram_w_aes)
    um.set_next('XRAM', xram_nxt)

    suffix = 'en' if enable_ps else 'dis'
    timefile = open('aes-times-%s.txt' % suffix, 'wt')

    t_elapsed = 0
    # micro-synthesis
    for s in [
            'XRAM', 'aes_state', 'byte_cnt', 'blk_cnt', 'oped_byte_cnt',
            'rd_data'
    ]:
        t_elapsed = 0
        st = time.clock()
        um.synthesize(s, usim)
        dt = time.clock() - st
        t_elapsed += dt
        print >> timefile, '%s %.2f' % ('u_' + s, dt)
        print '%s: %s' % (s, str(um.get_next(s)))
        ast = um.get_next(s)
        m.exportOne(ast, 'asts/u_%s_%s' % (s, suffix))

    sim = lambda s: AESmacro().simMacro(s)
    # state
    state_next = ila.choice(
        'state_next',
        [state, ila.ite(cmddata == 1, m.const(1, 2), state)])
    m.set_next('aes_state', state_next)

    # xram
    m.set_next('XRAM', xram)
    # synthesize.
    for s in [
            'aes_state', 'aes_addr', 'aes_len', 'aes_keysel', 'aes_ctr',
            'aes_key0', 'aes_key1', 'dataout'
    ]:
        st = time.clock()
        m.synthesize(s, sim)
        dt = time.clock() - st
        t_elapsed += dt
        print >> timefile, '%s %.2f' % (s, dt)

        ast = m.get_next(s)
        print '%s: %s' % (s, str(ast))
        m.exportOne(ast, 'asts/%s_%s' % (s, suffix))
    # connect to the uinst
    m.connect_microabstraction('aes_state', um)
    m.connect_microabstraction('XRAM', um)

    print 'total time: %.2f' % t_elapsed

    #print 'aes_state: %s' % str(m.get_next('aes_state'))
    #print 'XRAM: %s' % str(m.get_next('XRAM'))

    #m.generateSim('gen/aes_sim.hpp')
    m.generateSimToDir('sim')
Esempio n. 3
0
File: syn.py Progetto: emzha/IMDb
def createRsaIla():
    m = ila.Abstraction('rsa')
    m.enable_parameterized_synthesis = 0

    # I/O interface
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)
    # response
    dataout = m.reg('dataout', 8)

    # states
    state = m.reg('rsa_state', 2)
    addr = m.reg('rsa_addr', 16)
    rsa_M = m.reg('rsa_M', 2048)
    rsa_N = m.reg('rsa_N', 2048)
    rsa_E = m.reg('rsa_E', 2048)
    rsa_buff = m.reg('rsa_buff', 2048)
    byte_counter = m.reg('rsa_byte_counter', 8)
    xram = m.mem('XRAM', 16, 8)
    rsa = m.fun('rsa', 2048, [2048])

    # fetch
    m.fetch_expr = ila.concat([state, cmd, cmdaddr, cmddata])
    m.fetch_valid = (cmd == 1) | (cmd == 2)

    statebyte = ila.zero_extend(state, 8)
    wraddrbyte = ila.readchunk('rsa_addr', addr, 8)
    dataout_nxt = ila.choice('dataout', [statebyte, wraddrbyte, m.const(0, 8)])
    m.set_next('dataout', dataout_nxt)

    # rsa_addr
    addr_wr = ila.writechunk('wr_addr', addr, cmddata)
    addr_nxt = ila.choice('nxt_addr', [addr_wr, addr])
    m.set_next('rsa_addr', addr_nxt)

    # rsa_state
    state_choice = ila.choice(
        'state_choice',
        [m.const(0, 2),
         m.const(1, 2),
         m.const(2, 2),
         m.const(3, 2)])
    wr_nxt = ila.ite(byte_counter == 255, m.const(0, 2), m.const(3, 2))
    state_nxt = ila.choice('rsa_state_nxt', [
        wr_nxt, state_choice,
        ila.ite(cmddata == 1, m.const(1, 2), state), state
    ])
    m.set_next('rsa_state', state_nxt)

    # byte_counter
    byte_counter_inc = byte_counter + 1
    byte_counter_rst = ila.ite(cmddata == 1, m.const(0, 8), byte_counter)
    byte_counter_nxt = ila.choice(
        'byte_counter_nxt', [byte_counter_inc, byte_counter_rst, byte_counter])
    m.set_next('rsa_byte_counter', byte_counter_nxt)

    # buff
    rsa_buff_op = ila.appfun(rsa, [rsa_M])
    rsa_buff_nxt = ila.choice('rsa_buff_nxt', rsa_buff_op, rsa_buff)
    m.set_next('rsa_buff', rsa_buff_nxt)

    # rsa_M
    m.set_next('rsa_M', rsa_M)

    # xram
    #xram_w_rsa_lit = ila.storeblk (xram, addr, rsa_buff)
    #xram_w_rsa_big = ila.storeblk_big (xram, addr, rsa_buff)
    byte_cnt_16 = ila.zero_extend(byte_counter, 16)
    sh = ila.zero_extend((255 - byte_counter) * 8, 2048)
    xram_w_rsa_data_1 = (rsa_buff >> sh)[7:0]
    #xram_w_rsa_data_2 = rsa_buff [255 - byte_cnt_16]
    xram_w_rsa_lit = ila.store(xram, addr + byte_cnt_16, xram_w_rsa_data_1)
    xram_nxt = ila.choice('xram_nxt', [xram_w_rsa_lit, xram])
    m.set_next('XRAM', xram_nxt)

    return m
Esempio n. 4
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def createSHAILA(synstates, enable_ps):
    m = ila.Abstraction("sha")
    m.enable_parameterized_synthesis = enable_ps

    # I/O interface: this is where commands come from.
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)
    # response.
    dataout = m.reg('dataout', 8)

    # internal arch state.
    state = m.reg('sha_state', 3)
    rdaddr = m.reg('sha_rdaddr', 16)
    wraddr = m.reg('sha_wraddr', 16)
    oplen = m.reg('sha_len', 16)

    # for the uinst.
    bytes_read = m.reg('sha_bytes_read', 16)
    rd_data = m.reg('sha_rd_data', 512)
    hs_data = m.reg('sha_hs_data', 160)
    xram = m.mem('XRAM', 16, 8)
    sha = m.fun('sha', 160, [512])

    # fetch is just looking at the input command.
    m.fetch_expr = ila.concat([state, cmd, cmdaddr, cmddata])
    m.fetch_valid = (cmd == 1) | (cmd == 2)

    # decode
    rdcmds = [(state == i) & (cmd == 1) & (cmdaddr == addr)
              for addr in xrange(0xfe00, 0xfe10) for i in [0, 1, 2, 3, 4]]
    wrcmds = [(state == 0) & (cmd == 2) & (cmdaddr == addr)
              for addr in xrange(0xfe00, 0xfe10)]
    nopcmds = [(state == i) & (cmd != 1) & (cmdaddr == addr)
               for addr in xrange(0xfe00, 0xfe10) for i in [1, 2, 3, 4]]
    m.decode_exprs = rdcmds + wrcmds + nopcmds

    # read commands.
    statebyte = ila.zero_extend(state, 8)
    rdaddrbyte = ila.readchunk('rd_addr', rdaddr, 8)
    wraddrbyte = ila.readchunk('wr_addr', wraddr, 8)
    oplenbyte = ila.readchunk('op_len', oplen, 8)
    dataoutnext = ila.choice(
        'dataout',
        [statebyte, rdaddrbyte, wraddrbyte, oplenbyte,
         m.const(0, 8)])
    m.set_next('dataout', dataoutnext)

    # write commands.
    def mb_reg_wr(name, reg):
        # multibyte register write.
        reg_wr = ila.writechunk('wr_' + name, reg, cmddata)
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    mb_reg_wr('sha_rdaddr', rdaddr)
    mb_reg_wr('sha_wraddr', wraddr)
    mb_reg_wr('sha_len', oplen)

    # state
    state_next = ila.choice('state_next', [
        m.const(0, 3),
        m.const(1, 3),
        m.const(2, 3),
        m.const(3, 3),
        m.const(4, 3),
        ila.ite(cmddata == 1, m.const(1, 3), state),
        ila.ite(bytes_read < oplen, m.const(1, 3), m.const(4, 3))
    ])
    m.set_next('sha_state', state_next)

    # these are for the uinst
    # bytes_read
    #bytes_read_inc = ila.ite(bytes_read+64 <= oplen, bytes_read+64, oplen)
    bytes_read_inc = bytes_read + 64
    bytes_read_rst = ila.ite(cmddata == 1, m.const(0, 16), bytes_read)
    bytes_read_nxt = ila.choice(
        'bytes_read_nxt',
        [m.const(0, 16), bytes_read_inc, bytes_read_rst, bytes_read])
    m.set_next('sha_bytes_read', bytes_read_nxt)
    # rd_data
    rdblock_little = ila.loadblk(xram, rdaddr + bytes_read, 64)
    rdblock_big = ila.loadblk_big(xram, rdaddr + bytes_read, 64)
    rd_data_nxt = ila.choice('rd_data_nxt', rdblock_big, rdblock_little,
                             rd_data)
    m.set_next('sha_rd_data', rd_data_nxt)
    # hs_data
    sha_hs_data = ila.appfun(sha, [rd_data])
    hs_data_nxt = ila.choice('hs_data_nxt', sha_hs_data, hs_data)
    m.set_next('sha_hs_data', hs_data_nxt)
    # xram write
    xram_w_sha_little = ila.storeblk(xram, wraddr, hs_data)
    xram_w_sha_big = ila.storeblk_big(xram, wraddr, hs_data)
    xram_nxt = ila.choice('xram_nxt', xram, xram_w_sha_little, xram_w_sha_big)
    m.set_next('XRAM', xram_nxt)

    suffix = 'en' if enable_ps else 'dis'
    timefile = open('sha-times-%s.txt' % suffix, 'wt')
    t_elapsed = 0
    # synthesis.
    sim = lambda s: SHA().simulate(s)
    for s in synstates:
        st = time.clock()
        m.synthesize(s, sim)
        dt = time.clock() - st
        print >> timefile, '%s %.2f' % (s, dt)
        t_elapsed += dt

        ast = m.get_next(s)
        m.exportOne(ast, 'asts/%s_%s' % (s, suffix))

    print 'time: %.2f' % t_elapsed
    #m.generateSim('tmp/shasim.hpp')
    m.generateSimToDir('sim')
Esempio n. 5
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def main():
    
    
    # ila.enablelog("Synthesizer")
    ila.enablelog("VerilogExport")
    ila.setloglevel(3,"")
    
    
    sys = ila.Abstraction("test")
    r0 = sys.reg('r0', 8)
    r1 = sys.reg('r1', 8)

    a = sys.bit('a')
    b = sys.bit('b')
    
    out1 = sys.reg('Rsum',8)
    out2 = sys.reg('Rdiff',8)
    out3 = sys.bit('Rbaz')
    out4 = sys.bit('Rshaz')
    out5 = sys.reg('Rdaz',8)
    
    out6 = sys.reg('Rrazmatazz',4)
    out7 = sys.reg('Rjazz',8)
    
    mem  = sys.mem('mem1',2,4)
    
    action1 = ila.store(mem,r0[1:0],r1[3:0])
    action2 = ila.store(mem,r1[1:0],r0[3:0])
    action3 = ila.store( ila.store(mem,r0[7:6],r1[7:4]) ,r1[7:6],r0[7:4] )
    
    final_action = ila.ite(a,action1,  ila.ite(b,action2,action3))
    sys.set_next('mem1',final_action)

    ex = ila.choice("function", r0+r1, r0-r1, r0+r1+1)
    resfoo = sys.syn_elem("sum", ex, foo)
    assert sys.areEqual(resfoo, r0+r1)

    resbar = sys.syn_elem("diff", ex, bar)
    assert sys.areEqual(resbar, r0-r1)

    a1 = ila.choice("a1", a, ~a, a&b, a|b)
    b1 = ila.choice("b1", [b, ~b, a&b, a|b, a^b])

    a2 = ila.choice("a2", a, ~a)
    b2 = ila.choice("b2", b, ~b)

    t1 = a1 & b1
    t2 = a2 & b2
    y  = t1 | t2
    resbaz = sys.syn_elem("baz", y, baz)
    assert sys.areEqual(resbaz, a^b)

    resshaz= sys.syn_elem("shaz", y, shaz)
    assert sys.areEqual(resshaz, ~(a^b))
    
    c = ila.inrange("cnst", sys.const(0x00,8), sys.const(0xff,8))
    z = ila.choice("func_z", r0+r1+c, r0+r1-c)
    resdaz = sys.syn_elem("daz", z, daz)
    assert sys.areEqual(resdaz, r0 + r1 + 0x44)

    slc0 = ila.readslice("r0slice", r0, 4)
    slc1 = ila.readchunk("r1chunk", r1, 4)
    res = ila.choice('slice', slc0 + slc1, slc0 - slc1)
    resrmz = sys.syn_elem("razmatazz", res, razmatazz)
    assert sys.areEqual(resrmz, r0[3:0]+r1[7:4])

    nr0 = ila.writeslice("wr0slice", r0, slc0)
    resjazz = sys.syn_elem("jazz", nr0, jazz)
    assert sys.areEqual(resjazz, ila.concat(r0[3:0], r0[3:0]))
    
    sys.set_next('Rsum',resfoo)
    sys.set_next('Rdiff',resbar)
    sys.set_next('Rbaz',resbaz)
    sys.set_next('Rshaz',resshaz)
    sys.set_next('Rdaz',resdaz)
    sys.set_next('Rrazmatazz',resrmz)
    sys.set_next('Rjazz',resjazz)
    
    sys.generateVerilog(VerilogFile)
    
    testVerilog(VerilogFile)
Esempio n. 6
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def createAESILA(synstates, enable_ps):
    m = ila.Abstraction("aes")
    m.enable_parameterized_synthesis = enable_ps

    # I/O interface: this is where the commands come from.
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)
    # response.
    dataout = m.reg('dataout', 8)

    # internal arch state.
    state = m.reg('aes_state', 2)
    opaddr = m.reg('aes_addr', 16)
    oplen = m.reg('aes_len', 16)
    keysel = m.reg('aes_keysel', 1)
    ctr = m.reg('aes_ctr', 128)
    key0 = m.reg('aes_key0', 128)
    key1 = m.reg('aes_key1', 128)

    # for the uinst.
    byte_cnt = m.reg('byte_cnt', 16)
    rd_data = m.reg('rd_data', 128)
    enc_data = m.reg('enc_data', 128)
    xram = m.mem('XRAM', 16, 8)
    aes = m.fun('aes', 128, [128, 128, 128])

    # fetch is just looking at the input command.
    m.fetch_expr = ila.concat([state, cmd, cmdaddr, cmddata])
    m.fetch_valid = (cmd == 1) | (cmd == 2)

    # decode
    rdcmds = [(state == i) & (cmd == 1) & (cmdaddr == addr)
              for addr in xrange(0xff00, 0xff40) for i in [0, 1, 2, 3]]
    wrcmds = [(state == 0) & (cmd == 2) & (cmdaddr == addr)
              for addr in xrange(0xff00, 0xff40)]
    nopcmds = [(state == i) & (cmd != 1) & (cmdaddr == addr)
               for addr in xrange(0xff00, 0xff40) for i in [1, 2, 3]]
    m.decode_exprs = rdcmds + wrcmds + nopcmds

    # read commands
    statebyte = ila.zero_extend(state, 8)
    opaddrbyte = ila.readchunk('rd_addr', opaddr, 8)
    oplenbyte = ila.readchunk('rd_len', oplen, 8)
    keyselbyte = ila.zero_extend(keysel, 8)
    ctrbyte = ila.readchunk('rd_ctr', ctr, 8)
    key0byte = ila.readchunk('rd_key0', key0, 8)
    key1byte = ila.readchunk('rd_key1', key1, 8)
    dataoutnext = ila.choice('dataout', [
        statebyte, opaddrbyte, oplenbyte, keyselbyte, ctrbyte, key0byte,
        key1byte,
        m.const(0, 8)
    ])
    m.set_next('dataout', dataoutnext)

    # write commands.
    def mb_reg_wr(name, reg):
        # multibyte register write.
        reg_wr = ila.writechunk('wr_' + name, reg, cmddata)
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    mb_reg_wr('aes_addr', opaddr)
    mb_reg_wr('aes_len', oplen)
    mb_reg_wr('aes_ctr', ctr)
    mb_reg_wr('aes_key0', key0)
    mb_reg_wr('aes_key1', key1)

    # bit-level registers
    def bit_reg_wr(name, reg, sz):
        # bitwise register write
        assert reg.type.bitwidth == sz
        reg_wr = cmddata[sz - 1:0]
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    bit_reg_wr('aes_keysel', keysel, 1)

    # state
    state_next = ila.choice('state_next', [
        m.const(0, 2),
        m.const(1, 2),
        m.const(2, 2),
        m.const(3, 2),
        ila.ite(cmddata == 1, m.const(1, 2), state),
        ila.ite(byte_cnt + 16 < oplen, m.const(1, 2), m.const(0, 2))
    ])
    m.set_next('aes_state', state_next)

    # these are for the uinst
    # byte_cnt
    byte_cnt_inc = byte_cnt + 16
    byte_cnt_rst = ila.ite(cmddata == 1, m.const(0, 16), byte_cnt)
    byte_cnt_nxt = ila.choice(
        'byte_cnt_nxt', [m.const(0, 16), byte_cnt_inc, byte_cnt_rst, byte_cnt])
    m.set_next('byte_cnt', byte_cnt_nxt)
    # rd_data
    rdblock = ila.loadblk(xram, opaddr + byte_cnt, 16)
    rd_data_nxt = ila.choice('rd_data_nxt', rdblock, rd_data)
    m.set_next('rd_data', rd_data_nxt)
    # enc_data
    aes_key = ila.ite(keysel == 0, key0, key1)
    aes_enc_data = ila.appfun(aes, [ctr, aes_key, rd_data])
    enc_data_nxt = ila.ite(state == 2, aes_enc_data, enc_data)
    m.set_next('enc_data', enc_data_nxt)
    # xram write
    xram_w_aes = ila.storeblk(xram, opaddr + byte_cnt, enc_data)
    xram_nxt = ila.choice('xram_nxt', xram, xram_w_aes)
    m.set_next('XRAM', xram_nxt)

    # synthesize.
    timefile = open('aes-times-%s.txt' % ('en' if enable_ps else 'dis'), 'wt')
    sim = lambda s: AES().simulate(s)
    for s in synstates:
        st = time.clock()
        m.synthesize(s, sim)
        t_elapsed = time.clock() - st
        print >> timefile, s
        print >> timefile, '%.2f' % (t_elapsed)

        ast = m.get_next(s)
        m.exportOne(ast, 'asts/%s_%s' % (s, 'en' if enable_ps else 'dis'))

    m.generateSimToDir('sim')
Esempio n. 7
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def createShaIla():
    m = ila.Abstraction("sha")
    m.enable_parameterized_synthesis = 0

    # I/O interface
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)
    # response
    dataout = m.reg('dataout', 8)

    # arch states
    state = m.reg('sha_state', 3)
    rdaddr = m.reg('sha_rdaddr', 16)
    wraddr = m.reg('sha_wraddr', 16)
    oplen = m.reg('sha_len', 16)
    xram = m.mem('XRAM', 16, 8)

    # child-ILA states
    bytes_read = m.reg('sha_bytes_read', 16)
    rd_data = m.reg('sha_rd_data', 512)
    hs_data = m.reg('sha_hs_data', 160)
    sha = m.fun('sha', 160, [512])

    # fetch
    m.fetch_expr = ila.concat([state, cmd, cmdaddr, cmddata])
    m.fetch_valid = (cmd == 1) | (cmd == 2)

    # read commands.
    statebyte = ila.zero_extend(state, 8)
    rdaddrbyte = ila.readchunk('rd_addr', rdaddr, 8)
    wraddrbyte = ila.readchunk('wr_addr', wraddr, 8)
    oplenbyte = ila.readchunk('op_len', oplen, 8)
    dataoutnext = ila.choice(
        'dataout',
        [statebyte, rdaddrbyte, wraddrbyte, oplenbyte,
         m.const(0, 8)])
    m.set_next('dataout', dataoutnext)

    # write commands.
    def mb_reg_wr(name, reg):
        reg_wr = ila.writechunk('wr_' + name, reg, cmddata)
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    mb_reg_wr('sha_rdaddr', rdaddr)
    mb_reg_wr('sha_wraddr', wraddr)
    mb_reg_wr('sha_len', oplen)

    # state
    state_choice = ila.choice('state_choice', [
        m.const(0, 3),
        m.const(1, 3),
        m.const(2, 3),
        m.const(3, 3),
        m.const(4, 3)
    ])
    rd_nxt = ila.ite(bytes_read < oplen, m.const(1, 3), m.const(4, 3))
    state_nxt = ila.choice('state_nxt', [
        rd_nxt, state_choice,
        ila.ite(cmddata == 1, m.const(1, 3), state), state
    ])
    m.set_next('sha_state', state_nxt)

    # bytes_read
    bytes_read_inc = bytes_read + 64
    bytes_read_rst = ila.ite(cmddata == 1, m.const(0, 16), bytes_read)
    bytes_read_nxt = ila.choice(
        'bytes_read_nxt',
        [m.const(0, 16), bytes_read_inc, bytes_read_rst, bytes_read])
    m.set_next('sha_bytes_read', bytes_read_nxt)

    # rd_data
    rdblock_little = ila.loadblk(xram, rdaddr + bytes_read, 64)
    rdblock_big = ila.loadblk_big(xram, rdaddr + bytes_read, 64)
    rd_data_nxt = ila.choice('rd_data_nxt',
                             [rdblock_big, rdblock_little, rd_data])
    m.set_next('sha_rd_data', rd_data_nxt)

    # hs_data
    sha_hs_data = ila.appfun(sha, [rd_data])
    hs_data_nxt = ila.choice('sh_data_nxt', sha_hs_data, hs_data)
    m.set_next('sha_hs_data', hs_data_nxt)

    # xram
    xram_w_sha_little = ila.storeblk(xram, wraddr, hs_data)
    xram_w_sha_big = ila.storeblk_big(xram, wraddr, hs_data)
    xram_nxt = ila.choice('xram_nxt',
                          [xram_w_sha_little, xram_w_sha_big, xram])
    m.set_next('XRAM', xram_nxt)

    return m
Esempio n. 8
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def createAESILA(enable_ps):
    m = ila.Abstraction("aes")
    m.enable_parameterized_synthesis = enable_ps

    # I/O interface: this is where the commands come from.
    cmd = m.inp('cmd', 2)
    cmdaddr = m.inp('cmdaddr', 16)
    cmddata = m.inp('cmddata', 8)

    # internal arch state.
    state = m.reg('aes_state', 2)
    opaddr = m.reg('aes_addr', 16)
    oplen = m.reg('aes_len', 16)
    ctr = m.reg('aes_ctr', 128)
    key0 = m.reg('aes_key0', 128)

    # for the uinst.
    xram = m.mem('XRAM', 16, 8)
    aes = m.fun('aes', 128, [128, 128, 128])

    # fetch is just looking at the input command.
    m.fetch_expr = ila.concat([cmd, cmdaddr, cmddata
                               ])  # actually, the equivelant instruction
    m.fetch_valid = (cmd == 2)  # when write to some addresses

    # decode
    wrcmds = [(cmd == 2) & (cmdaddr == addr)
              for addr in xrange(0xff00, 0xff30)]  #
    m.decode_exprs = wrcmds

    um = m.add_microabstraction('aes_compute', state != 0)

    # write commands.
    def mb_reg_wr(name, reg):
        # multibyte register write.
        reg_wr = ila.writechunk('wr_' + name, reg, cmddata)
        reg_nxt = ila.choice('nxt_' + name, [reg_wr, reg])
        m.set_next(name, reg_nxt)

    mb_reg_wr('aes_addr', opaddr)
    mb_reg_wr('aes_len', oplen)
    mb_reg_wr('aes_ctr', ctr)
    mb_reg_wr('aes_key0', key0)
    # state
    state_next = ila.choice(
        'state_next',
        [state, ila.ite(cmddata == 1, m.const(1, 2), state)])
    m.set_next('aes_state', state_next)
    # xram
    m.set_next('XRAM', xram)

    ################################
    #           Micro-ILA
    ################################

    # read data
    rd_data = um.reg('rd_data', 128)
    enc_data = um.reg('enc_data', 128)
    byte_cnt = um.reg('byte_cnt', 4)
    oped_byte_cnt = um.reg('oped_byte_cnt', 16)
    blk_cnt = um.reg('blk_cnt', 16)
    aes_time = um.reg('aes_time', 5)
    uaes_ctr = um.reg('uaes_ctr', 128)  # change 1

    um.set_init('byte_cnt', um.const(0, 4))
    um.set_init('blk_cnt', um.const(0, 16))
    um.set_init('oped_byte_cnt', um.const(0, 16))
    um.set_init('aes_time', um.const(0, 5))
    um.set_init('uaes_ctr', m.getreg('aes_ctr'))  # change 2
    uxram = m.getmem('XRAM')

    byte_cnt_16b = ila.zero_extend(byte_cnt, 16)

    um.fetch_expr = state
    um.decode_exprs = [(state == i) & (byte_cnt == j) for j in xrange(16)
                       for i in [1, 2, 3]]  # Decode Expressionss
    # byte_cnt
    byte_cnt_inc = byte_cnt + 1
    byte_cnt_nxt = ila.choice(
        'byte_cnt_nxt', [m.const(0, 4), byte_cnt_inc, byte_cnt])  # 0, +1, NC
    um.set_next('byte_cnt', byte_cnt_nxt)

    # oped_byte_cnt
    oped_byte_cnt_inc = oped_byte_cnt + 16
    oped_byte_cnt_nxt = ila.choice(
        'oped_byte_cnt_nxt',
        [m.const(0, 16), oped_byte_cnt_inc, oped_byte_cnt])  # 0, +16, NC
    um.set_next('oped_byte_cnt', oped_byte_cnt_nxt)

    # blk_cnt
    blk_cnt_inc = blk_cnt + 16
    more_blocks = (oped_byte_cnt_inc < oplen)
    blk_cnt_nxt = ila.choice('blk_cnt_nxt', [
        m.const(0, 16), blk_cnt, blk_cnt_inc,
        ila.ite(more_blocks, blk_cnt_inc, blk_cnt)
    ])
    um.set_next('blk_cnt', blk_cnt_nxt)

    aes_time_inc = aes_time + 1
    aes_time_ov = aes_time == m.const(31, 5)
    aes_time_nxt_c = ila.ite(aes_time_ov, aes_time, aes_time_inc)
    aes_time_nxt = ila.choice(
        "aes_timeC", m.const(0, 5), aes_time_nxt_c,
        ila.ite(more_blocks, m.const(0, 5), aes_time_nxt_c))
    aes_time_enough = aes_time > m.const(10, 5)
    um.set_next('aes_time', aes_time_nxt)

    # change 3
    um.set_next(
        'uaes_ctr',
        ila.choice(
            'uaes_ctr_nxt', uaes_ctr,
            ila.ite(
                more_blocks, uaes_ctr +
                ila.inrange('addvalue', um.const(1, 128), um.const(128, 128)),
                uaes_ctr), ctr))

    # ustate
    ustate = um.getreg('aes_state')
    ustate_nxt = ila.choice('ustate_next', [
        m.const(0, 2),
        m.const(1, 2),
        m.const(2, 2),
        m.const(3, 2), ustate,
        ila.ite(more_blocks, m.const(1, 2), m.const(0, 2)),
        ila.ite(aes_time_enough, m.const(3, 2), m.const(2, 2))
    ])  # change 4
    um.set_next('aes_state', ustate_nxt)

    # rd_data
    rdblock = ila.writechunk("rd_data_chunk", rd_data,
                             ila.load(uxram,
                                      opaddr + blk_cnt + byte_cnt_16b))  #
    rd_data_nxt = ila.choice('rd_data_nxt', rdblock, rd_data)
    um.set_next('rd_data', rd_data_nxt)

    # enc_data
    aes_key = key0
    aes_ctr = ila.choice('ctr', uaes_ctr, ctr + ila.zero_extend(blk_cnt, 128))
    aes_enc_data = ila.appfun(aes, [aes_ctr, aes_key, rd_data])
    enc_data_nxt = ila.ite(state == 2, aes_enc_data, enc_data)
    um.set_next('enc_data', enc_data_nxt)
    #print um.get_next('enc_data')

    # xram write
    xram_w_data = ila.readchunk('enc_data_chunk', enc_data, 8)
    xram_w_addr = opaddr + blk_cnt + byte_cnt_16b
    xram_w_aes = ila.store(uxram, xram_w_addr, xram_w_data)
    xram_nxt = ila.choice('xram_nxt', uxram, xram_w_aes)
    um.set_next('XRAM', xram_nxt)

    return m, um