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comparison python/ppci/target/arm/registers.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/armregisters.py@4d204f6f7d4e
children
comparison
equal deleted inserted replaced
341:4d204f6f7d4e 342:86b02c98a717
1
2 from ..basetarget import Register
3
4 class ArmRegister(Register):
5 def __init__(self, num, name):
6 super().__init__(name)
7 self.num = num
8
9 def __repr__(self):
10 return self.name
11
12
13 class Reg8Op(ArmRegister):
14 pass
15
16
17 def get_register(n):
18 for x in registers:
19 if x.num == n:
20 return x
21 raise Exception('No register found with this number')
22
23 def register_range(a, b):
24 """ Return set of registers from a to b """
25 assert a.num < b.num
26 return {get_register(n) for n in range(a.num, b.num + 1)}
27
28
29 R0 = Reg8Op(0, 'r0')
30 R1 = Reg8Op(1, 'r1')
31 R2 = Reg8Op(2, 'r2')
32 R3 = Reg8Op(3, 'r3')
33 R4 = Reg8Op(4, 'r4')
34 R5 = Reg8Op(5, 'r5')
35 R6 = Reg8Op(6, 'r6')
36 R7 = Reg8Op(7, 'r7')
37 R8 = ArmRegister(8, 'r8')
38 R9 = ArmRegister(9, 'r9')
39 R10 = ArmRegister(10, 'r10')
40 R11 = ArmRegister(11, 'r11')
41 R12 = ArmRegister(12, 'r12')
42
43 # Other registers:
44 # TODO
45 SP = ArmRegister(13, 'sp')
46 LR = ArmRegister(14, 'lr')
47 PC = ArmRegister(15, 'pc')
48
49 registers = [R0, R1, R2, R3, R4, R5, R6, R7, SP, LR, PC]