Mercurial > lcfOS
view python/ppci/target/arm/__init__.py @ 354:5477e499b039
Added some sort of string functionality
author | Windel Bouwman |
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date | Thu, 13 Mar 2014 18:59:06 +0100 |
parents | 899ae3aea803 |
children | 52492b304adf |
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from ..basetarget import Target from ..arm.registers import R0, R1, R2, R3, R4, R5, R6, R7 from ..arm.registers import R8, R9, R10, R11, R12, SP, LR, PC from ..arm.registers import register_range from .instructions import Dcd, Mov, Add, Sub, Orr1, Mul, Mov2, Add1, Mul1 from .instructions import B, Bl, Ble, Bgt, Beq, Blt, Cmp, Cmp2 from .instructions import Push, Pop, Str, Ldr, Ldr3, Str1, Ldr1, Adr from .selector import ArmInstructionSelector from .frame import ArmFrame class ArmTarget(Target): def __init__(self): super().__init__('arm') self.make_parser() self.ins_sel = ArmInstructionSelector() self.FrameClass = ArmFrame self.add_lowering(Ldr3, lambda im: Ldr3(im.dst[0], im.others[0])) self.add_lowering(Str1, lambda im: Str1(im.src[1], im.src[0], im.others[0])) self.add_lowering(Ldr1, lambda im: Ldr1(im.dst[0], im.src[0], im.others[0])) self.add_lowering(Adr, lambda im: Adr(im.dst[0], im.others[0])) self.add_lowering(Mov2, lambda im: Mov2(im.dst[0], im.src[0])) self.add_lowering(Cmp2, lambda im: Cmp2(im.src[0], im.src[1])) self.add_lowering(Add1, lambda im: Add1(im.dst[0], im.src[0], im.src[1])) self.add_lowering(Mul1, lambda im: Mul1(im.dst[0], im.src[0], im.src[1])) def make_parser(self): # Assembly grammar: self.add_keyword('r0') self.add_keyword('r1') self.add_keyword('r2') self.add_keyword('r3') self.add_keyword('r4') self.add_keyword('r5') self.add_keyword('r6') self.add_keyword('r7') self.add_keyword('r8') self.add_keyword('r9') self.add_keyword('r10') self.add_keyword('r11') self.add_keyword('r12') self.add_keyword('sp') self.add_keyword('lr') self.add_keyword('pc') self.add_rule('reg', ['r0'], lambda rhs: R0) self.add_rule('reg', ['r1'], lambda rhs: R1) self.add_rule('reg', ['r2'], lambda rhs: R2) self.add_rule('reg', ['r3'], lambda rhs: R3) self.add_rule('reg', ['r4'], lambda rhs: R4) self.add_rule('reg', ['r5'], lambda rhs: R5) self.add_rule('reg', ['r6'], lambda rhs: R6) self.add_rule('reg', ['r7'], lambda rhs: R7) self.add_rule('reg', ['r8'], lambda rhs: R8) self.add_rule('reg', ['r9'], lambda rhs: R9) self.add_rule('reg', ['r10'], lambda rhs: R10) self.add_rule('reg', ['r11'], lambda rhs: R11) self.add_rule('reg', ['r12'], lambda rhs: R12) self.add_rule('reg', ['sp'], lambda rhs: SP) self.add_rule('reg', ['lr'], lambda rhs: LR) self.add_rule('reg', ['pc'], lambda rhs: PC) self.add_keyword('dcd') self.add_instruction(['dcd', 'imm32'], lambda rhs: Dcd(rhs[1])) self.add_keyword('mov') self.add_instruction(['mov', 'reg', ',', 'imm32'], lambda rhs: Mov(rhs[1], rhs[3])) self.add_keyword('cmp') self.add_instruction(['cmp', 'reg', ',', 'imm32'], lambda rhs: Cmp(rhs[1], rhs[3])) self.add_instruction(['cmp', 'reg', ',', 'reg'], lambda rhs: Cmp(rhs[1], rhs[3])) # Arithmatic: self.add_keyword('add') self.add_instruction(['add', 'reg', ',', 'reg', ',', 'imm32'], lambda rhs: Add(rhs[1], rhs[3], rhs[5])) self.add_instruction(['add', 'reg', ',', 'reg', ',', 'reg'], lambda rhs: Add(rhs[1], rhs[3], rhs[5])) self.add_keyword('sub') self.add_instruction(['sub', 'reg', ',', 'reg', ',', 'imm32'], lambda rhs: Sub(rhs[1], rhs[3], rhs[5])) self.add_instruction(['sub', 'reg', ',', 'reg', ',', 'reg'], lambda rhs: Sub(rhs[1], rhs[3], rhs[5])) self.add_keyword('mul') self.add_instruction(['mul', 'reg', ',', 'reg', ',', 'reg'], lambda rhs: Mul(rhs[1], rhs[3], rhs[5])) self.add_keyword('orr') self.add_instruction(['orr', 'reg', ',', 'reg', ',', 'reg'], lambda rhs: Orr1(rhs[1], rhs[3], rhs[5])) # Jumping: self.add_keyword('b') self.add_instruction(['b', 'ID'], lambda rhs: B(rhs[1].val)) self.add_keyword('ble') self.add_instruction(['ble', 'ID'], lambda rhs: Ble(rhs[1].val)) self.add_keyword('bgt') self.add_instruction(['bgt', 'ID'], lambda rhs: Bgt(rhs[1].val)) self.add_keyword('beq') self.add_instruction(['beq', 'ID'], lambda rhs: Beq(rhs[1].val)) self.add_keyword('blt') self.add_instruction(['blt', 'ID'], lambda rhs: Blt(rhs[1].val)) self.add_keyword('bl') self.add_instruction(['bl', 'ID'], lambda rhs: Bl(rhs[1].val)) # memory: self.add_keyword('pop') self.add_instruction(['pop', 'reg_list'], lambda rhs: Pop(rhs[1])) self.add_keyword('push') self.add_instruction(['push', 'reg_list'], lambda rhs: Push(rhs[1])) self.add_keyword('ldr') self.add_instruction(['ldr', 'reg', ',', '[', 'reg', ',', 'imm8', ']'], lambda rhs: Ldr(rhs[1], rhs[4], rhs[6])) self.add_instruction(['ldr', 'reg', ',', 'ID'], lambda rhs: Ldr(rhs[1], rhs[3].val)) self.add_keyword('str') self.add_instruction(['str', 'reg', ',', '[', 'reg', ',', 'imm8', ']'], lambda rhs: Str(rhs[1], rhs[4], rhs[6])) self.add_instruction(['str', 'reg', ',', '[', 'reg', ',', 'reg', ']'], lambda rhs: Str(rhs[1], rhs[4], rhs[6])) self.add_keyword('adr') self.add_instruction(['adr', 'reg', ',', 'ID'], lambda rhs: Adr(rhs[1], rhs[3].val)) # Register list grammar: self.add_rule('reg_list', ['{', 'reg_list_inner', '}'], lambda rhs: rhs[1]) self.add_rule('reg_list_inner', ['reg_or_range'], lambda rhs: rhs[0]) self.add_rule('reg_list_inner', ['reg_or_range', ',', 'reg_list_inner'], lambda rhs: rhs[0] | rhs[2]) self.add_rule('reg_or_range', ['reg'], lambda rhs: {rhs[0]}) self.add_rule('reg_or_range', ['reg', '-', 'reg'], lambda rhs: register_range(rhs[0], rhs[2]))