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comparison python/ppci/target/msp430/msp430.py @ 342:86b02c98a717 devel

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Moved target directory
author Windel Bouwman
date Sat, 01 Mar 2014 15:40:31 +0100
parents python/target/msp430.py@4d204f6f7d4e
children b4882ff0ed06
comparison
equal deleted inserted replaced
341:4d204f6f7d4e 342:86b02c98a717
1 import struct
2 import types
3 from ..basetarget import Register, Instruction, Target
4 from ppci.asmnodes import ASymbol, ANumber
5 from ppci import CompilerError
6 from .registers import r10, r11, r12, r13, r14, r15
7 from .instructions import Reti, Mov, Add
8
9 # Create the target class (singleton):
10
11 class Msp430Target(Target):
12 def __init__(self):
13 super().__init__('msp430')
14
15 # Registers:
16 self.add_keyword('r10')
17 self.add_keyword('r11')
18 self.add_keyword('r12')
19 self.add_keyword('r13')
20 self.add_keyword('r14')
21 self.add_keyword('r15')
22 self.add_rule('reg', ['r10'], lambda rhs: r10)
23 self.add_rule('reg', ['r11'], lambda rhs: r11)
24 self.add_rule('reg', ['r12'], lambda rhs: r12)
25 self.add_rule('reg', ['r13'], lambda rhs: r13)
26 self.add_rule('reg', ['r14'], lambda rhs: r14)
27 self.add_rule('reg', ['r15'], lambda rhs: r15)
28
29 # Instructions rules:
30 self.add_keyword('mov')
31 self.add_instruction(['mov', 'reg', ',', 'reg'],
32 lambda rhs: Mov(rhs[1], rhs[3]))
33 self.add_instruction(['mov', 'imm16', ',', 'reg'],
34 lambda rhs: Mov(rhs[1], rhs[3]))
35
36 self.add_keyword('add')
37 self.add_instruction(['add', 'reg', ',', 'reg'],
38 lambda rhs: Add(rhs[1], rhs[3]))
39
40 self.add_keyword('reti')
41 self.add_instruction(['reti'], lambda rhs: Reti())
42
43 # Constants:
44 self.add_rule('imm32', ['val32'], lambda x: x[0].val)
45 self.add_rule('imm32', ['imm16'], lambda x: x[0])
46 self.add_rule('imm16', ['val16'], lambda x: x[0].val)
47 self.add_rule('imm16', ['imm8'], lambda x: x[0])
48 self.add_rule('imm8', ['val8'], lambda x: x[0].val)
49 self.add_rule('imm8', ['imm5'], lambda x: x[0])
50 self.add_rule('imm5', ['val5'], lambda x: x[0].val)
51 self.add_rule('imm5', ['imm3'], lambda x: x[0])
52 self.add_rule('imm3', ['val3'], lambda x: x[0].val)
53
54
55 msp430target = Msp430Target()
56
57
58 # Target description for the MSP430 processor
59
60
61 msp430target.registers.append(r10)
62 msp430target.registers.append(r11)
63 msp430target.registers.append(r12)
64 msp430target.registers.append(r13)
65 msp430target.registers.append(r14)
66 msp430target.registers.append(r15)
67