diff options
Diffstat (limited to 'src/arch/riscv/isa/formats/standard.isa')
| -rw-r--r-- | src/arch/riscv/isa/formats/standard.isa | 151 |
1 files changed, 5 insertions, 146 deletions
diff --git a/src/arch/riscv/isa/formats/standard.isa b/src/arch/riscv/isa/formats/standard.isa index 35c3fa878..e68cedfe2 100644 --- a/src/arch/riscv/isa/formats/standard.isa +++ b/src/arch/riscv/isa/formats/standard.isa @@ -33,147 +33,6 @@ // // Integer instructions // -output header {{ - /** - * Base class for operations that work only on registers - */ - class RegOp : public RiscvStaticInst - { - protected: - /// Constructor - RegOp(const char *mnem, MachInst _machInst, OpClass __opClass) - : RiscvStaticInst(mnem, _machInst, __opClass) - {} - - std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const; - }; - - /** - * Base class for operations with signed immediates - */ - class ImmOp : public RiscvStaticInst - { - protected: - int64_t imm; - - /// Constructor - ImmOp(const char *mnem, MachInst _machInst, OpClass __opClass) - : RiscvStaticInst(mnem, _machInst, __opClass), imm(0) - {} - - virtual std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const = 0; - }; - - /** - * Base class for operations with unsigned immediates - */ - class UImmOp : public RiscvStaticInst - { - protected: - uint64_t imm; - - /// Constructor - UImmOp(const char *mnem, MachInst _machInst, OpClass __opClass) - : RiscvStaticInst(mnem, _machInst, __opClass), imm(0) - {} - - virtual std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const = 0; - }; - - /** - * Base class for operations with branching - */ - class BranchOp : public ImmOp - { - protected: - /// Constructor - BranchOp(const char *mnem, MachInst _machInst, OpClass __opClass) - : ImmOp(mnem, _machInst, __opClass) - {} - - using StaticInst::branchTarget; - - virtual RiscvISA::PCState - branchTarget(ThreadContext *tc) const - { - return StaticInst::branchTarget(tc); - } - - virtual RiscvISA::PCState - branchTarget(const RiscvISA::PCState &branchPC) const - { - return StaticInst::branchTarget(branchPC); - } - - virtual std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const = 0; - }; - - /** - * Base class for system operations - */ - class SystemOp : public RiscvStaticInst - { - public: - /// Constructor - SystemOp(const char *mnem, MachInst _machInst, OpClass __opClass) - : RiscvStaticInst(mnem, _machInst, __opClass) - {} - - std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const - { - return mnemonic; - } - }; - - /** - * Base class for CSR operations - */ - class CSROp : public RiscvStaticInst - { - protected: - uint64_t csr; - uint64_t uimm; - - public: - /// Constructor - CSROp(const char *mnem, MachInst _machInst, OpClass __opClass) - : RiscvStaticInst(mnem, _machInst, __opClass), - csr(FUNCT12), uimm(CSRIMM) - {} - - std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const; - }; -}}; - -//Outputs to decoder.cc -output decoder {{ - std::string - RegOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const - { - std::stringstream ss; - ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", " << - registerName(_srcRegIdx[0]) << ", " << - registerName(_srcRegIdx[1]); - return ss.str(); - } - - std::string - CSROp::generateDisassembly(Addr pc, const SymbolTable *symtab) const - { - std::stringstream ss; - ss << mnemonic << ' ' << registerName(_destRegIdx[0]) << ", "; - if (_numSrcRegs > 0) - ss << registerName(_srcRegIdx[0]) << ", "; - ss << MiscRegNames.at(csr); - return ss.str(); - } -}}; def template ImmDeclare {{ // @@ -362,7 +221,7 @@ def format ROp(code, *opt_flags) {{ def format IOp(code, *opt_flags) {{ imm_code = 'imm = IMM12; if (IMMSIGN > 0) imm |= ~((uint64_t)0x7FF);' regs = ['_destRegIdx[0]','_srcRegIdx[0]'] - iop = InstObjParams(name, Name, 'ImmOp', + iop = InstObjParams(name, Name, 'ImmOp<int64_t>', {'code': code, 'imm_code': imm_code, 'regs': ','.join(regs)}, opt_flags) header_output = ImmDeclare.subst(iop) @@ -380,7 +239,7 @@ def format BOp(code, *opt_flags) {{ imm |= ~((uint64_t)0xFFF); """ regs = ['_srcRegIdx[0]','_srcRegIdx[1]'] - iop = InstObjParams(name, Name, 'BranchOp', + iop = InstObjParams(name, Name, 'ImmOp<int64_t>', {'code': code, 'imm_code': imm_code, 'regs': ','.join(regs)}, opt_flags) header_output = BranchDeclare.subst(iop) @@ -392,7 +251,7 @@ def format BOp(code, *opt_flags) {{ def format Jump(code, *opt_flags) {{ imm_code = 'imm = IMM12; if (IMMSIGN > 0) imm |= ~((uint64_t)0x7FF);' regs = ['_destRegIdx[0]','_srcRegIdx[0]'] - iop = InstObjParams(name, Name, 'BranchOp', + iop = InstObjParams(name, Name, 'ImmOp<int64_t>', {'code': code, 'imm_code': imm_code, 'regs': ','.join(regs)}, opt_flags) header_output = JumpDeclare.subst(iop) @@ -404,7 +263,7 @@ def format Jump(code, *opt_flags) {{ def format UOp(code, *opt_flags) {{ imm_code = 'imm = (int32_t)(IMM20 << 12);' regs = ['_destRegIdx[0]'] - iop = InstObjParams(name, Name, 'ImmOp', + iop = InstObjParams(name, Name, 'ImmOp<int64_t>', {'code': code, 'imm_code': imm_code, 'regs': ','.join(regs)}, opt_flags) header_output = ImmDeclare.subst(iop) @@ -423,7 +282,7 @@ def format JOp(code, *opt_flags) {{ """ pc = 'pc.set(pc.pc() + imm);' regs = ['_destRegIdx[0]'] - iop = InstObjParams(name, Name, 'BranchOp', + iop = InstObjParams(name, Name, 'ImmOp<int64_t>', {'code': code, 'imm_code': imm_code, 'regs': ','.join(regs)}, opt_flags) header_output = BranchDeclare.subst(iop) |