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comparison python/ppci/target/arm/__init__.py @ 362:c05ab629976a

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Added CPUID for arm
author Windel Bouwman
date Sat, 15 Mar 2014 10:56:34 +0100
parents b4ac28efcdf4
children c49459768aaa
comparison
equal deleted inserted replaced
361:614a7f6d4d4d 362:c05ab629976a
6 6
7 from .instructions import Dcd, Mov, Mov1, Add, Add2, Sub, Orr1, Mul, Mov2, Add1, Mul1 7 from .instructions import Dcd, Mov, Mov1, Add, Add2, Sub, Orr1, Mul, Mov2, Add1, Mul1
8 from .instructions import Lsr1, Lsl1, And1, Sub1 8 from .instructions import Lsr1, Lsl1, And1, Sub1
9 from .instructions import B, Bl, Ble, Bgt, Beq, Blt, Cmp, Cmp2 9 from .instructions import B, Bl, Ble, Bgt, Beq, Blt, Cmp, Cmp2
10 from .instructions import Push, Pop, Str, Ldr, Ldr3, Str1, Ldr1, Adr 10 from .instructions import Push, Pop, Str, Ldr, Ldr3, Str1, Ldr1, Adr
11 from .instructions import Mcr, Mrc
11 from .selector import ArmInstructionSelector 12 from .selector import ArmInstructionSelector
12 from .frame import ArmFrame 13 from .frame import ArmFrame
13 14
14 class ArmTarget(Target): 15 class ArmTarget(Target):
15 def __init__(self): 16 def __init__(self):
72 self.add_instruction(['dcd', 'imm32'], 73 self.add_instruction(['dcd', 'imm32'],
73 lambda rhs: Dcd(rhs[1])) 74 lambda rhs: Dcd(rhs[1]))
74 75
75 self.add_keyword('mov') 76 self.add_keyword('mov')
76 self.add_instruction(['mov', 'reg', ',', 'imm32'], 77 self.add_instruction(['mov', 'reg', ',', 'imm32'],
78 lambda rhs: Mov(rhs[1], rhs[3]))
79 self.add_instruction(['mov', 'reg', ',', 'reg'],
77 lambda rhs: Mov(rhs[1], rhs[3])) 80 lambda rhs: Mov(rhs[1], rhs[3]))
78 81
79 self.add_keyword('cmp') 82 self.add_keyword('cmp')
80 self.add_instruction(['cmp', 'reg', ',', 'imm32'], 83 self.add_instruction(['cmp', 'reg', ',', 'imm32'],
81 lambda rhs: Cmp(rhs[1], rhs[3])) 84 lambda rhs: Cmp(rhs[1], rhs[3]))
167 lambda rhs: rhs[0] | rhs[2]) 170 lambda rhs: rhs[0] | rhs[2])
168 self.add_rule('reg_or_range', ['reg'], lambda rhs: {rhs[0]}) 171 self.add_rule('reg_or_range', ['reg'], lambda rhs: {rhs[0]})
169 172
170 self.add_rule('reg_or_range', ['reg', '-', 'reg'], 173 self.add_rule('reg_or_range', ['reg', '-', 'reg'],
171 lambda rhs: register_range(rhs[0], rhs[2])) 174 lambda rhs: register_range(rhs[0], rhs[2]))
175
176 # Add MCR and MRC (co-processor)
177 for i in range(16):
178 creg = 'c{}'.format(i)
179 self.add_keyword(creg)
180 self.add_rule('coreg', [creg], i)
181
182 for i in range(8, 16):
183 px = 'p{}'.format(i)
184 self.add_keyword(px)
185 # Ran into trouble when using i inside lambda function:
186 # When using inside lambda (as a closure), i is bound to the latest
187 # value (15)
188 self.add_rule('coproc', [px], i)
189
190 self.add_keyword('mcr')
191 self.add_instruction(['mcr', 'coproc', ',', 'imm3', ',', 'reg', ',', 'coreg', ',', 'coreg', ',', 'imm3'],
192 lambda rhs: Mcr(rhs[1], rhs[3], rhs[5], rhs[7], rhs[9], rhs[11]))
193
194 self.add_keyword('mrc')
195 self.add_instruction(['mrc', 'coproc', ',', 'imm3', ',', 'reg', ',', 'coreg', ',', 'coreg', ',', 'imm3'],
196 lambda rhs: Mrc(rhs[1], rhs[3], rhs[5], rhs[7], rhs[9], rhs[11]))