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

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Moved target directory
author Windel Bouwman
date Sat, 01 Mar 2014 15:40:31 +0100
parents
children b4882ff0ed06
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341:4d204f6f7d4e 342:86b02c98a717
1
2
3 from ..basetarget import Instruction
4
5 from .token import ArmToken
6 from .registers import R0, SP
7
8
9 # Instructions:
10
11 class ArmInstruction(Instruction):
12 def __init__(self):
13 self.token = ArmToken()
14
15
16 class Mov(ArmInstruction):
17 """ Mov Rd, imm16 """
18 def __init__(self, reg, imm):
19 super().__init__()
20 self.reg = reg
21 self.imm = imm
22
23 def encode(self):
24 self.token[0:12] = self.imm
25 self.token[12:16] = self.reg.num
26 self.token[16:20] = 0
27 self.token[20] = 0
28 self.token[21:28] = 0b0011101
29 self.token.cond = 0xE # Always!
30 return self.token.encode()
31
32 def relocations(self):
33 return []
34
35 def __repr__(self):
36 return 'DCD 0x{0:X}'.format(self.expr)
37