From d1d733f63641156c49d37a58377668aacd01f9ba Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sun, 21 Jun 2009 16:41:21 -0700 Subject: [PATCH] ARM: Make inst bitfields accessible outside of the isa desc. --- src/arch/arm/isa/bitfields.isa | 196 +++++++++++++++--------------- src/arch/arm/isa/formats/pred.isa | 2 +- src/arch/arm/types.hh | 137 ++++++++++++++++++++- src/arch/arm/utility.hh | 10 ++ 4 files changed, 245 insertions(+), 100 deletions(-) diff --git a/src/arch/arm/isa/bitfields.isa b/src/arch/arm/isa/bitfields.isa index e334f5521..44b0b3458 100644 --- a/src/arch/arm/isa/bitfields.isa +++ b/src/arch/arm/isa/bitfields.isa @@ -34,135 +34,135 @@ // // Opcode fields -def bitfield OPCODE <27:25>; -def bitfield OPCODE_27_25 <27:25>; -def bitfield OPCODE_24_21 <24:21>; -def bitfield OPCODE_24_23 <24:23>; -def bitfield OPCODE_24 <24:24>; -def bitfield OPCODE_23_20 <23:20>; -def bitfield OPCODE_23_21 <23:21>; -def bitfield OPCODE_23 <23:23>; -def bitfield OPCODE_22_8 <22: 8>; -def bitfield OPCODE_22_21 <22:21>; -def bitfield OPCODE_22 <22:22>; -def bitfield OPCODE_21_20 <21:20>; -def bitfield OPCODE_20 <20:20>; -def bitfield OPCODE_19_18 <19:18>; -def bitfield OPCODE_19 <19:19>; -def bitfield OPCODE_15_12 <15:12>; -def bitfield OPCODE_15 <15:15>; -def bitfield OPCODE_9 < 9: 9>; -def bitfield OPCODE_7_4 < 7: 4>; -def bitfield OPCODE_7_5 < 7: 5>; -def bitfield OPCODE_7_6 < 7: 6>; -def bitfield OPCODE_7 < 7: 7>; -def bitfield OPCODE_6_5 < 6: 5>; -def bitfield OPCODE_6 < 6: 6>; -def bitfield OPCODE_5 < 5: 5>; -def bitfield OPCODE_4 < 4: 4>; +def bitfield OPCODE opcode; +def bitfield OPCODE_27_25 opcode27_25; +def bitfield OPCODE_24_21 opcode24_21; +def bitfield OPCODE_24_23 opcode24_23; +def bitfield OPCODE_24 opcode24; +def bitfield OPCODE_23_20 opcode23_20; +def bitfield OPCODE_23_21 opcode23_21; +def bitfield OPCODE_23 opcode23; +def bitfield OPCODE_22_8 opcode22_8; +def bitfield OPCODE_22_21 opcode22_21; +def bitfield OPCODE_22 opcode22; +def bitfield OPCODE_21_20 opcode21_20; +def bitfield OPCODE_20 opcode20; +def bitfield OPCODE_19_18 opcode19_18; +def bitfield OPCODE_19 opcode19; +def bitfield OPCODE_15_12 opcode15_12; +def bitfield OPCODE_15 opcode15; +def bitfield OPCODE_9 opcode9; +def bitfield OPCODE_7_4 opcode7_4; +def bitfield OPCODE_7_5 opcode7_5; +def bitfield OPCODE_7_6 opcode7_6; +def bitfield OPCODE_7 opcode7; +def bitfield OPCODE_6_5 opcode6_5; +def bitfield OPCODE_6 opcode6; +def bitfield OPCODE_5 opcode5; +def bitfield OPCODE_4 opcode4; // Other -def bitfield COND_CODE <31:28>; -def bitfield S_FIELD <20:20>; -def bitfield RN <19:16>; -def bitfield RD <15:12>; -def bitfield SHIFT_SIZE <11: 7>; -def bitfield SHIFT < 6: 5>; -def bitfield RM < 3: 0>; +def bitfield COND_CODE condCode; +def bitfield S_FIELD sField; +def bitfield RN rn; +def bitfield RD rd; +def bitfield SHIFT_SIZE shiftSize; +def bitfield SHIFT shift; +def bitfield RM rm; -def bitfield RS <11: 8>; +def bitfield RS rs; -def bitfield RDUP <19:16>; -def bitfield RNDN <15:12>; +def bitfield RDUP rdup; +def bitfield RNDN rddn; -def bitfield RDHI <15:12>; -def bitfield RDLO <11: 8>; +def bitfield RDHI rdhi; +def bitfield RDLO rdlo; -def bitfield U_FIELD <23:23>; +def bitfield U_FIELD uField; -def bitfield PUSWL <24:20>; -def bitfield PREPOST <24:24>; -def bitfield UP <23:23>; -def bitfield PSRUSER <22:22>; -def bitfield WRITEBACK <21:21>; -def bitfield LOADOP <20:20>; +def bitfield PUSWL puswl; +def bitfield PREPOST puswl.prepost; +def bitfield UP puswl.up; +def bitfield PSRUSER puswl.psruser; +def bitfield WRITEBACK puswl.writeback; +def bitfield LOADOP puswl.loadOp; -def bitfield PUBWL <24:20>; -def bitfield PUIWL <24:20>; -def bitfield BYTEACCESS <22:22>; +def bitfield PUBWL pubwl; +def bitfield PUIWL puiwl; +def bitfield BYTEACCESS byteAccess; -def bitfield LUAS <23:20>; +def bitfield LUAS luas; -def bitfield IMM < 7: 0>; -def bitfield IMMED_7_4 < 7: 4>; -def bitfield IMMED_3_0 < 3: 0>; +def bitfield IMM imm; +def bitfield IMMED_7_4 immed7_4; +def bitfield IMMED_3_0 immed3_0; -def bitfield F_MSR <19:19>; -def bitfield S_MSR <18:18>; -def bitfield X_MSR <17:17>; -def bitfield C_MSR <16:16>; +def bitfield F_MSR msr.f; +def bitfield S_MSR msr.s; +def bitfield X_MSR msr.x; +def bitfield C_MSR msr.c; -def bitfield Y_6 < 6: 6>; -def bitfield X_5 < 5: 5>; +def bitfield Y_6 y; +def bitfield X_5 x; -def bitfield IMMED_15_4 <15: 4>; +def bitfield IMMED_15_4 immed15_4; -def bitfield W_FIELD <21:21>; +def bitfield W_FIELD wField; -def bitfield ROTATE <11: 8>; -def bitfield IMMED_7_0 < 7: 0>; +def bitfield ROTATE rotate; +def bitfield IMMED_7_0 immed7_0; -def bitfield T_FIELD <21:21>; -def bitfield IMMED_11_0 <11: 0>; +def bitfield T_FIELD tField; +def bitfield IMMED_11_0 immed11_0; -def bitfield IMMED_20_16 <20:16>; -def bitfield IMMED_19_16 <19:16>; +def bitfield IMMED_20_16 immed20_16; +def bitfield IMMED_19_16 immed19_16; -def bitfield IMMED_HI_11_8 <11: 8>; -def bitfield IMMED_LO_3_0 < 3: 0>; +def bitfield IMMED_HI_11_8 immedHi11_8; +def bitfield IMMED_LO_3_0 immedLo3_0; -def bitfield ROT <11:10>; +def bitfield ROT rot; -def bitfield R_FIELD < 5: 5>; +def bitfield R_FIELD rField; -def bitfield CARET <22:22>; -def bitfield REGLIST <15: 0>; +def bitfield CARET caret; +def bitfield REGLIST regList; -def bitfield OFFSET <23: 0>; -def bitfield COPRO <11: 8>; -def bitfield OP1_7_4 < 7: 4>; -def bitfield CM < 3: 0>; +def bitfield OFFSET offset; +def bitfield COPRO copro; +def bitfield OP1_7_4 op1_7_4; +def bitfield CM cm; -def bitfield L_FIELD <22:22>; -def bitfield CD <15:12>; -def bitfield OPTION < 7: 0>; +def bitfield L_FIELD lField; +def bitfield CD cd; +def bitfield OPTION option; -def bitfield OP1_23_20 <23:20>; -def bitfield CN <19:16>; -def bitfield OP2_7_5 < 7: 5>; +def bitfield OP1_23_20 op1_23_20; +def bitfield CN cn; +def bitfield OP2_7_5 op2_7_5; -def bitfield OP1_23_21 <23:21>; +def bitfield OP1_23_21 op1_23_21; -def bitfield IMMED_23_0 <23: 0>; -def bitfield M_FIELD <17:17>; -def bitfield A_FIELD < 8: 8>; -def bitfield I_FIELD < 7: 7>; -def bitfield F_FIELD < 6: 6>; -def bitfield MODE < 4: 0>; +def bitfield IMMED_23_0 immed23_0; +def bitfield M_FIELD mField; +def bitfield A_FIELD aField; +def bitfield I_FIELD iField; +def bitfield F_FIELD fField; +def bitfield MODE mode; -def bitfield A_BLX <24:24>; +def bitfield A_BLX aBlx; -def bitfield CPNUM <11: 8>; +def bitfield CPNUM cpNum; // Note that FP Regs are only 3 bits -def bitfield FN <18:16>; -def bitfield FD <14:12>; -def bitfield FPREGIMM < 3: 3>; +def bitfield FN fn; +def bitfield FD fd; +def bitfield FPREGIMM fpRegImm; // We can just use 3:0 for FM since the hard-wired FP regs are handled in // float_regfile.hh -def bitfield FM < 3: 0>; -def bitfield FPIMM < 2: 0>; -def bitfield PUNWL <24:20>; +def bitfield FM fm; +def bitfield FPIMM fpImm; +def bitfield PUNWL punwl; // M5 instructions -def bitfield M5FUNC <7:0>; +def bitfield M5FUNC m5Func; diff --git a/src/arch/arm/isa/formats/pred.isa b/src/arch/arm/isa/formats/pred.isa index 0258eb8ef..019e46457 100644 --- a/src/arch/arm/isa/formats/pred.isa +++ b/src/arch/arm/isa/formats/pred.isa @@ -55,7 +55,7 @@ output header {{ /// Constructor PredOp(const char *mnem, MachInst _machInst, OpClass __opClass) : ArmStaticInst(mnem, _machInst, __opClass), - condCode((ArmISA::ConditionCode)COND_CODE) + condCode((ArmISA::ConditionCode)(unsigned)COND_CODE) { } diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh index a2f664f1b..5abf60d33 100644 --- a/src/arch/arm/types.hh +++ b/src/arch/arm/types.hh @@ -31,12 +31,147 @@ #ifndef __ARCH_ARM_TYPES_HH__ #define __ARCH_ARM_TYPES_HH__ +#include "base/bitunion.hh" #include "base/types.hh" namespace ArmISA { typedef uint32_t MachInst; - typedef uint64_t ExtMachInst; + + BitUnion32(ExtMachInst) + // All the different types of opcode fields. + Bitfield<27, 25> opcode; + Bitfield<27, 25> opcode27_25; + Bitfield<24, 21> opcode24_21; + Bitfield<24, 23> opcode24_23; + Bitfield<24> opcode24; + Bitfield<23, 20> opcode23_20; + Bitfield<23, 21> opcode23_21; + Bitfield<23> opcode23; + Bitfield<22, 8> opcode22_8; + Bitfield<22, 21> opcode22_21; + Bitfield<22> opcode22; + Bitfield<21, 20> opcode21_20; + Bitfield<20> opcode20; + Bitfield<19, 18> opcode19_18; + Bitfield<19> opcode19; + Bitfield<15, 12> opcode15_12; + Bitfield<15> opcode15; + Bitfield<9> opcode9; + Bitfield<7, 4> opcode7_4; + Bitfield<7, 5> opcode7_5; + Bitfield<7, 6> opcode7_6; + Bitfield<7> opcode7; + Bitfield<6, 5> opcode6_5; + Bitfield<6> opcode6; + Bitfield<5> opcode5; + Bitfield<4> opcode4; + + Bitfield<31, 28> condCode; + Bitfield<20> sField; + Bitfield<19, 16> rn; + Bitfield<15, 12> rd; + Bitfield<11, 7> shiftSize; + Bitfield<6, 5> shift; + Bitfield<3, 0> rm; + + Bitfield<11, 8> rs; + + Bitfield<19, 16> rdup; + Bitfield<15, 12> rddn; + + Bitfield<15, 12> rdhi; + Bitfield<11, 8> rdlo; + + Bitfield<23> uField; + + SubBitUnion(puswl, 24, 20) + Bitfield<24> prepost; + Bitfield<23> up; + Bitfield<22> psruser; + Bitfield<21> writeback; + Bitfield<20> loadOp; + EndSubBitUnion(puswl) + + Bitfield<24, 20> pubwl; + Bitfield<24, 20> puiwl; + Bitfield<22> byteAccess; + + Bitfield<23, 20> luas; + + SubBitUnion(imm, 7, 0) + Bitfield<7, 4> imm7_4; + Bitfield<3, 0> imm3_0; + EndSubBitUnion(imm) + + SubBitUnion(msr, 19, 16) + Bitfield<19> f; + Bitfield<18> s; + Bitfield<17> x; + Bitfield<16> c; + EndSubBitUnion(msr) + + Bitfield<6> y; + Bitfield<5> x; + + Bitfield<15, 4> immed15_4; + + Bitfield<21> wField; + + Bitfield<11, 8> rotate; + Bitfield<7, 0> immed7_0; + + Bitfield<21> tField; + Bitfield<11, 0> immed11_0; + + Bitfield<20, 16> immed20_16; + Bitfield<19, 16> immed19_16; + + Bitfield<11, 8> immedHi11_8; + Bitfield<3, 0> immedLo3_0; + + Bitfield<11, 10> rot; + + Bitfield<5> rField; + + Bitfield<22> caret; + Bitfield<15, 0> regList; + + Bitfield<23, 0> offset; + Bitfield<11, 8> copro; + Bitfield<7, 4> op1_7_4; + Bitfield<3, 0> cm; + + Bitfield<22> lField; + Bitfield<15, 12> cd; + Bitfield<7, 0> option; + + Bitfield<23, 20> op1_23_20; + Bitfield<19, 16> cn; + Bitfield<7, 5> op2_7_5; + + Bitfield<23, 21> op1_23_21; + + Bitfield<23, 0> immed23_0; + Bitfield<17> mField; + Bitfield<8> aField; + Bitfield<7> iField; + Bitfield<6> fField; + Bitfield<4, 0> mode; + + Bitfield<24> aBlx; + + Bitfield<11, 8> cpNum; + Bitfield<18, 16> fn; + Bitfield<14, 12> fd; + Bitfield<3> fpRegImm; + Bitfield<3, 0> fm; + Bitfield<2, 0> fpImm; + Bitfield<24, 20> punwl; + + Bitfield<7, 0> m5Func; + EndBitUnion(ExtMachInst) + typedef uint8_t RegIndex; typedef uint64_t IntReg; diff --git a/src/arch/arm/utility.hh b/src/arch/arm/utility.hh index 163cc6e33..93f207ec7 100644 --- a/src/arch/arm/utility.hh +++ b/src/arch/arm/utility.hh @@ -35,9 +35,19 @@ #include "arch/arm/miscregs.hh" #include "arch/arm/types.hh" +#include "base/hashmap.hh" #include "base/types.hh" #include "cpu/thread_context.hh" +namespace __hash_namespace { + template<> + struct hash : public hash { + size_t operator()(const ArmISA::ExtMachInst &emi) const { + return hash::operator()((uint32_t)emi); + }; + }; +} + namespace ArmISA { inline bool -- 2.30.2