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1 import struct
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2 import types
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3 from ..basetarget import Register, Instruction, Target
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4 from ppci.asmnodes import ASymbol, ANumber
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5 from ppci import CompilerError
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6 from .registers import r10, r11, r12, r13, r14, r15
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7 from .instructions import Reti, Mov, Add
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8
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9 # Create the target class (singleton):
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10
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11 class Msp430Target(Target):
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12 def __init__(self):
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13 super().__init__('msp430')
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14
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15 # Registers:
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16 self.add_keyword('r10')
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17 self.add_keyword('r11')
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18 self.add_keyword('r12')
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19 self.add_keyword('r13')
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20 self.add_keyword('r14')
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21 self.add_keyword('r15')
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22 self.add_rule('reg', ['r10'], lambda rhs: r10)
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23 self.add_rule('reg', ['r11'], lambda rhs: r11)
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24 self.add_rule('reg', ['r12'], lambda rhs: r12)
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25 self.add_rule('reg', ['r13'], lambda rhs: r13)
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26 self.add_rule('reg', ['r14'], lambda rhs: r14)
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27 self.add_rule('reg', ['r15'], lambda rhs: r15)
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28
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29 # Instructions rules:
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30 self.add_keyword('mov')
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31 self.add_instruction(['mov', 'reg', ',', 'reg'],
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32 lambda rhs: Mov(rhs[1], rhs[3]))
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33 self.add_instruction(['mov', 'imm16', ',', 'reg'],
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34 lambda rhs: Mov(rhs[1], rhs[3]))
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35
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36 self.add_keyword('add')
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37 self.add_instruction(['add', 'reg', ',', 'reg'],
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38 lambda rhs: Add(rhs[1], rhs[3]))
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39
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40 self.add_keyword('reti')
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41 self.add_instruction(['reti'], lambda rhs: Reti())
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42
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43 # Constants:
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44 self.add_rule('imm32', ['val32'], lambda x: x[0].val)
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45 self.add_rule('imm32', ['imm16'], lambda x: x[0])
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46 self.add_rule('imm16', ['val16'], lambda x: x[0].val)
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47 self.add_rule('imm16', ['imm8'], lambda x: x[0])
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48 self.add_rule('imm8', ['val8'], lambda x: x[0].val)
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49 self.add_rule('imm8', ['imm5'], lambda x: x[0])
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50 self.add_rule('imm5', ['val5'], lambda x: x[0].val)
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51 self.add_rule('imm5', ['imm3'], lambda x: x[0])
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52 self.add_rule('imm3', ['val3'], lambda x: x[0].val)
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53
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54
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55 msp430target = Msp430Target()
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58 # Target description for the MSP430 processor
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61 msp430target.registers.append(r10)
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62 msp430target.registers.append(r11)
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63 msp430target.registers.append(r12)
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64 msp430target.registers.append(r13)
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65 msp430target.registers.append(r14)
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66 msp430target.registers.append(r15)
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67
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