//////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2017, MINRES Technologies GmbH // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. // // Contributors: // eyck@minres.com - initial API and implementation // // //////////////////////////////////////////////////////////////////////////////// #include #include #include #include #include #include #include #include #include #include namespace iss { namespace rv32imac { using namespace iss::arch; using namespace llvm; using namespace iss::debugger; template class vm_impl : public vm::vm_base { public: using super = typename vm::vm_base; using virt_addr_t = typename super::virt_addr_t; using phys_addr_t = typename super::phys_addr_t; using code_word_t = typename super::code_word_t; using addr_t = typename super::addr_t; vm_impl(); vm_impl(ARCH &core, unsigned core_id = 0, unsigned cluster_id = 0); void enableDebug(bool enable) { super::sync_exec = super::ALL_SYNC; } target_adapter_if *accquire_target_adapter(server_if *srv) { debugger_if::dbg_enabled = true; if (vm::vm_base::tgt_adapter == nullptr) vm::vm_base::tgt_adapter = new riscv_target_adapter(srv, this->get_arch()); return vm::vm_base::tgt_adapter; } protected: using vm::vm_base::get_reg_ptr; template inline llvm::ConstantInt *size(T type) { return llvm::ConstantInt::get(getContext(), llvm::APInt(32, type->getType()->getScalarSizeInBits())); } inline llvm::Value *gen_choose(llvm::Value *cond, llvm::Value *trueVal, llvm::Value *falseVal, unsigned size) const { return super::gen_cond_assign(cond, this->gen_ext(trueVal, size), this->gen_ext(falseVal, size)); } std::tuple gen_single_inst_behavior(virt_addr_t &, unsigned int &, llvm::BasicBlock *) override; void gen_leave_behavior(llvm::BasicBlock *leave_blk) override; void gen_raise_trap(uint16_t trap_id, uint16_t cause); void gen_leave_trap(unsigned lvl); void gen_wait(unsigned type); void gen_trap_behavior(llvm::BasicBlock *) override; void gen_trap_check(llvm::BasicBlock *bb); inline llvm::Value *gen_reg_load(unsigned i, unsigned level = 0) { return this->builder.CreateLoad(get_reg_ptr(i), false); } inline void gen_set_pc(virt_addr_t pc, unsigned reg_num) { llvm::Value *next_pc_v = this->builder.CreateSExtOrTrunc(this->gen_const(traits::XLEN, pc.val), this->get_type(traits::XLEN)); this->builder.CreateStore(next_pc_v, get_reg_ptr(reg_num), true); } // some compile time constants // enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 }; enum { MASK16 = 0b1111111111111111, MASK32 = 0b11111111111100000111000001111111 }; enum { EXTR_MASK16 = MASK16 >> 2, EXTR_MASK32 = MASK32 >> 2 }; enum { LUT_SIZE = 1 << util::bit_count(EXTR_MASK32), LUT_SIZE_C = 1 << util::bit_count(EXTR_MASK16) }; using this_class = vm_impl; using compile_func = std::tuple (this_class::*)(virt_addr_t &pc, code_word_t instr, llvm::BasicBlock *bb); std::array lut; std::array lut_00, lut_01, lut_10; std::array lut_11; std::array qlut; std::array lutmasks = { { EXTR_MASK16, EXTR_MASK16, EXTR_MASK16, EXTR_MASK32 } }; void expand_bit_mask(int pos, uint32_t mask, uint32_t value, uint32_t valid, uint32_t idx, compile_func lut[], compile_func f) { if (pos < 0) { lut[idx] = f; } else { auto bitmask = 1UL << pos; if ((mask & bitmask) == 0) { expand_bit_mask(pos - 1, mask, value, valid, idx, lut, f); } else { if ((valid & bitmask) == 0) { expand_bit_mask(pos - 1, mask, value, valid, (idx << 1), lut, f); expand_bit_mask(pos - 1, mask, value, valid, (idx << 1) + 1, lut, f); } else { auto new_val = idx << 1; if ((value & bitmask) != 0) new_val++; expand_bit_mask(pos - 1, mask, value, valid, new_val, lut, f); } } } } inline uint32_t extract_fields(uint32_t val) { return extract_fields(29, val >> 2, lutmasks[val & 0x3], 0); } uint32_t extract_fields(int pos, uint32_t val, uint32_t mask, uint32_t lut_val) { if (pos >= 0) { auto bitmask = 1UL << pos; if ((mask & bitmask) == 0) { lut_val = extract_fields(pos - 1, val, mask, lut_val); } else { auto new_val = lut_val << 1; if ((val & bitmask) != 0) new_val++; lut_val = extract_fields(pos - 1, val, mask, new_val); } } return lut_val; } private: /**************************************************************************** * start opcode definitions ****************************************************************************/ struct InstructionDesriptor { size_t length; uint32_t value; uint32_t mask; compile_func op; }; const std::array instr_descr = {{ /* entries are: size, valid value, valid mask, function ptr */ /* instruction LUI */ {32, 0b00000000000000000000000000110111, 0b00000000000000000000000001111111, &this_class::__lui}, /* instruction AUIPC */ {32, 0b00000000000000000000000000010111, 0b00000000000000000000000001111111, &this_class::__auipc}, /* instruction JAL */ {32, 0b00000000000000000000000001101111, 0b00000000000000000000000001111111, &this_class::__jal}, /* instruction JALR */ {32, 0b00000000000000000000000001100111, 0b00000000000000000111000001111111, &this_class::__jalr}, /* instruction BEQ */ {32, 0b00000000000000000000000001100011, 0b00000000000000000111000001111111, &this_class::__beq}, /* instruction BNE */ {32, 0b00000000000000000001000001100011, 0b00000000000000000111000001111111, &this_class::__bne}, /* instruction BLT */ {32, 0b00000000000000000100000001100011, 0b00000000000000000111000001111111, &this_class::__blt}, /* instruction BGE */ {32, 0b00000000000000000101000001100011, 0b00000000000000000111000001111111, &this_class::__bge}, /* instruction BLTU */ {32, 0b00000000000000000110000001100011, 0b00000000000000000111000001111111, &this_class::__bltu}, /* instruction BGEU */ {32, 0b00000000000000000111000001100011, 0b00000000000000000111000001111111, &this_class::__bgeu}, /* instruction LB */ {32, 0b00000000000000000000000000000011, 0b00000000000000000111000001111111, &this_class::__lb}, /* instruction LH */ {32, 0b00000000000000000001000000000011, 0b00000000000000000111000001111111, &this_class::__lh}, /* instruction LW */ {32, 0b00000000000000000010000000000011, 0b00000000000000000111000001111111, &this_class::__lw}, /* instruction LBU */ {32, 0b00000000000000000100000000000011, 0b00000000000000000111000001111111, &this_class::__lbu}, /* instruction LHU */ {32, 0b00000000000000000101000000000011, 0b00000000000000000111000001111111, &this_class::__lhu}, /* instruction SB */ {32, 0b00000000000000000000000000100011, 0b00000000000000000111000001111111, &this_class::__sb}, /* instruction SH */ {32, 0b00000000000000000001000000100011, 0b00000000000000000111000001111111, &this_class::__sh}, /* instruction SW */ {32, 0b00000000000000000010000000100011, 0b00000000000000000111000001111111, &this_class::__sw}, /* instruction ADDI */ {32, 0b00000000000000000000000000010011, 0b00000000000000000111000001111111, &this_class::__addi}, /* instruction SLTI */ {32, 0b00000000000000000010000000010011, 0b00000000000000000111000001111111, &this_class::__slti}, /* instruction SLTIU */ {32, 0b00000000000000000011000000010011, 0b00000000000000000111000001111111, &this_class::__sltiu}, /* instruction XORI */ {32, 0b00000000000000000100000000010011, 0b00000000000000000111000001111111, &this_class::__xori}, /* instruction ORI */ {32, 0b00000000000000000110000000010011, 0b00000000000000000111000001111111, &this_class::__ori}, /* instruction ANDI */ {32, 0b00000000000000000111000000010011, 0b00000000000000000111000001111111, &this_class::__andi}, /* instruction SLLI */ {32, 0b00000000000000000001000000010011, 0b11111110000000000111000001111111, &this_class::__slli}, /* instruction SRLI */ {32, 0b00000000000000000101000000010011, 0b11111110000000000111000001111111, &this_class::__srli}, /* instruction SRAI */ {32, 0b01000000000000000101000000010011, 0b11111110000000000111000001111111, &this_class::__srai}, /* instruction ADD */ {32, 0b00000000000000000000000000110011, 0b11111110000000000111000001111111, &this_class::__add}, /* instruction SUB */ {32, 0b01000000000000000000000000110011, 0b11111110000000000111000001111111, &this_class::__sub}, /* instruction SLL */ {32, 0b00000000000000000001000000110011, 0b11111110000000000111000001111111, &this_class::__sll}, /* instruction SLT */ {32, 0b00000000000000000010000000110011, 0b11111110000000000111000001111111, &this_class::__slt}, /* instruction SLTU */ {32, 0b00000000000000000011000000110011, 0b11111110000000000111000001111111, &this_class::__sltu}, /* instruction XOR */ {32, 0b00000000000000000100000000110011, 0b11111110000000000111000001111111, &this_class::__xor}, /* instruction SRL */ {32, 0b00000000000000000101000000110011, 0b11111110000000000111000001111111, &this_class::__srl}, /* instruction SRA */ {32, 0b01000000000000000101000000110011, 0b11111110000000000111000001111111, &this_class::__sra}, /* instruction OR */ {32, 0b00000000000000000110000000110011, 0b11111110000000000111000001111111, &this_class::__or}, /* instruction AND */ {32, 0b00000000000000000111000000110011, 0b11111110000000000111000001111111, &this_class::__and}, /* instruction FENCE */ {32, 0b00000000000000000000000000001111, 0b11110000000000000111000001111111, &this_class::__fence}, /* instruction FENCE_I */ {32, 0b00000000000000000001000000001111, 0b00000000000000000111000001111111, &this_class::__fence_i}, /* instruction ECALL */ {32, 0b00000000000000000000000001110011, 0b11111111111111111111111111111111, &this_class::__ecall}, /* instruction EBREAK */ {32, 0b00000000000100000000000001110011, 0b11111111111111111111111111111111, &this_class::__ebreak}, /* instruction URET */ {32, 0b00000000001000000000000001110011, 0b11111111111111111111111111111111, &this_class::__uret}, /* instruction SRET */ {32, 0b00010000001000000000000001110011, 0b11111111111111111111111111111111, &this_class::__sret}, /* instruction MRET */ {32, 0b00110000001000000000000001110011, 0b11111111111111111111111111111111, &this_class::__mret}, /* instruction WFI */ {32, 0b00010000010100000000000001110011, 0b11111111111111111111111111111111, &this_class::__wfi}, /* instruction SFENCE.VMA */ {32, 0b00010010000000000000000001110011, 0b11111110000000000111111111111111, &this_class::__sfence_vma}, /* instruction CSRRW */ {32, 0b00000000000000000001000001110011, 0b00000000000000000111000001111111, &this_class::__csrrw}, /* instruction CSRRS */ {32, 0b00000000000000000010000001110011, 0b00000000000000000111000001111111, &this_class::__csrrs}, /* instruction CSRRC */ {32, 0b00000000000000000011000001110011, 0b00000000000000000111000001111111, &this_class::__csrrc}, /* instruction CSRRWI */ {32, 0b00000000000000000101000001110011, 0b00000000000000000111000001111111, &this_class::__csrrwi}, /* instruction CSRRSI */ {32, 0b00000000000000000110000001110011, 0b00000000000000000111000001111111, &this_class::__csrrsi}, /* instruction CSRRCI */ {32, 0b00000000000000000111000001110011, 0b00000000000000000111000001111111, &this_class::__csrrci}, /* instruction MUL */ {32, 0b00000010000000000000000000110011, 0b11111110000000000111000001111111, &this_class::__mul}, /* instruction MULH */ {32, 0b00000010000000000001000000110011, 0b11111110000000000111000001111111, &this_class::__mulh}, /* instruction MULHSU */ {32, 0b00000010000000000010000000110011, 0b11111110000000000111000001111111, &this_class::__mulhsu}, /* instruction MULHU */ {32, 0b00000010000000000011000000110011, 0b11111110000000000111000001111111, &this_class::__mulhu}, /* instruction DIV */ {32, 0b00000010000000000100000000110011, 0b11111110000000000111000001111111, &this_class::__div}, /* instruction DIVU */ {32, 0b00000010000000000101000000110011, 0b11111110000000000111000001111111, &this_class::__divu}, /* instruction REM */ {32, 0b00000010000000000110000000110011, 0b11111110000000000111000001111111, &this_class::__rem}, /* instruction REMU */ {32, 0b00000010000000000111000000110011, 0b11111110000000000111000001111111, &this_class::__remu}, /* instruction LR.W */ {32, 0b00010000000000000010000000101111, 0b11111001111100000111000001111111, &this_class::__lr_w}, /* instruction SC.W */ {32, 0b00011000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__sc_w}, /* instruction AMOSWAP.W */ {32, 0b00001000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amoswap_w}, /* instruction AMOADD.W */ {32, 0b00000000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amoadd_w}, /* instruction AMOXOR.W */ {32, 0b00100000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amoxor_w}, /* instruction AMOAND.W */ {32, 0b01100000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amoand_w}, /* instruction AMOOR.W */ {32, 0b01000000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amoor_w}, /* instruction AMOMIN.W */ {32, 0b10000000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amomin_w}, /* instruction AMOMAX.W */ {32, 0b10100000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amomax_w}, /* instruction AMOMINU.W */ {32, 0b11000000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amominu_w}, /* instruction AMOMAXU.W */ {32, 0b11100000000000000010000000101111, 0b11111000000000000111000001111111, &this_class::__amomaxu_w}, /* instruction C.ADDI4SPN */ {16, 0b0000000000000000, 0b1110000000000011, &this_class::__c_addi4spn}, /* instruction C.LW */ {16, 0b0100000000000000, 0b1110000000000011, &this_class::__c_lw}, /* instruction C.SW */ {16, 0b1100000000000000, 0b1110000000000011, &this_class::__c_sw}, /* instruction C.ADDI */ {16, 0b0000000000000001, 0b1110000000000011, &this_class::__c_addi}, /* instruction C.NOP */ {16, 0b0000000000000001, 0b1111111111111111, &this_class::__c_nop}, /* instruction C.JAL */ {16, 0b0010000000000001, 0b1110000000000011, &this_class::__c_jal}, /* instruction C.LI */ {16, 0b0100000000000001, 0b1110000000000011, &this_class::__c_li}, /* instruction C.LUI */ {16, 0b0110000000000001, 0b1110000000000011, &this_class::__c_lui}, /* instruction C.ADDI16SP */ {16, 0b0110000100000001, 0b1110111110000011, &this_class::__c_addi16sp}, /* instruction C.SRLI */ {16, 0b1000000000000001, 0b1111110000000011, &this_class::__c_srli}, /* instruction C.SRAI */ {16, 0b1000010000000001, 0b1111110000000011, &this_class::__c_srai}, /* instruction C.ANDI */ {16, 0b1000100000000001, 0b1110110000000011, &this_class::__c_andi}, /* instruction C.SUB */ {16, 0b1000110000000001, 0b1111110001100011, &this_class::__c_sub}, /* instruction C.XOR */ {16, 0b1000110000100001, 0b1111110001100011, &this_class::__c_xor}, /* instruction C.OR */ {16, 0b1000110001000001, 0b1111110001100011, &this_class::__c_or}, /* instruction C.AND */ {16, 0b1000110001100001, 0b1111110001100011, &this_class::__c_and}, /* instruction C.J */ {16, 0b1010000000000001, 0b1110000000000011, &this_class::__c_j}, /* instruction C.BEQZ */ {16, 0b1100000000000001, 0b1110000000000011, &this_class::__c_beqz}, /* instruction C.BNEZ */ {16, 0b1110000000000001, 0b1110000000000011, &this_class::__c_bnez}, /* instruction C.SLLI */ {16, 0b0000000000000010, 0b1111000000000011, &this_class::__c_slli}, /* instruction C.LWSP */ {16, 0b0100000000000010, 0b1110000000000011, &this_class::__c_lwsp}, /* instruction C.MV */ {16, 0b1000000000000010, 0b1111000000000011, &this_class::__c_mv}, /* instruction C.JR */ {16, 0b1000000000000010, 0b1111000001111111, &this_class::__c_jr}, /* instruction C.ADD */ {16, 0b1001000000000010, 0b1111000000000011, &this_class::__c_add}, /* instruction C.JALR */ {16, 0b1001000000000010, 0b1111000001111111, &this_class::__c_jalr}, /* instruction C.EBREAK */ {16, 0b1001000000000010, 0b1111111111111111, &this_class::__c_ebreak}, /* instruction C.SWSP */ {16, 0b1100000000000010, 0b1110000000000011, &this_class::__c_swsp}, /* instruction DII */ {16, 0b0000000000000000, 0b1111111111111111, &this_class::__dii}, }}; /* instruction definitions */ /* instruction 0: LUI */ std::tuple __lui(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LUI"); this->gen_sync(iss::PRE_SYNC, 0); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); int32_t fld_imm_val = 0 | (signed_bit_sub<12,20>(instr) << 12); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LUI x%1$d, 0x%2$05x"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_const(32U, fld_imm_val); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 0); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 1: AUIPC */ std::tuple __auipc(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AUIPC"); this->gen_sync(iss::PRE_SYNC, 1); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); int32_t fld_imm_val = 0 | (signed_bit_sub<12,20>(instr) << 12); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AUIPC x%1%, 0x%2$08x"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 1); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 2: JAL */ std::tuple __jal(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("JAL"); this->gen_sync(iss::PRE_SYNC, 2); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); int32_t fld_imm_val = 0 | (bit_sub<12,8>(instr) << 12) | (bit_sub<20,1>(instr) << 11) | (bit_sub<21,10>(instr) << 1) | (signed_bit_sub<31,1>(instr) << 20); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("JAL x%1$d, 0x%2$x"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* PC_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 2); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 3: JALR */ std::tuple __jalr(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("JALR"); this->gen_sync(iss::PRE_SYNC, 3); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("JALR x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* ret_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); Value* PC_val = this->builder.CreateAnd( ret_val, this->builder.CreateNot(this->gen_const(32U, 1))); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 3); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 4: BEQ */ std::tuple __beq(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BEQ"); this->gen_sync(iss::PRE_SYNC, 4); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BEQ x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_EQ, this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 4); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 5: BNE */ std::tuple __bne(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BNE"); this->gen_sync(iss::PRE_SYNC, 5); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BNE x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 5); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 6: BLT */ std::tuple __blt(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BLT"); this->gen_sync(iss::PRE_SYNC, 6); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BLT x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SLT, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, true)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 6); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 7: BGE */ std::tuple __bge(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BGE"); this->gen_sync(iss::PRE_SYNC, 7); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BGE x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SGE, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, true)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 7); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 8: BLTU */ std::tuple __bltu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BLTU"); this->gen_sync(iss::PRE_SYNC, 8); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BLTU x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_ULT, this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 8); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 9: BGEU */ std::tuple __bgeu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("BGEU"); this->gen_sync(iss::PRE_SYNC, 9); int16_t fld_imm_val = 0 | (bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (signed_bit_sub<31,1>(instr) << 12); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("BGEU x%1$d, x%2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_UGE, this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 4)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 9); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 10: LB */ std::tuple __lb(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LB"); this->gen_sync(iss::PRE_SYNC, 10); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LB x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 8/8), 32, true); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 10); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 11: LH */ std::tuple __lh(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LH"); this->gen_sync(iss::PRE_SYNC, 11); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LH x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 16/8), 32, true); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 11); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 12: LW */ std::tuple __lw(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LW"); this->gen_sync(iss::PRE_SYNC, 12); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LW x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 12); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 13: LBU */ std::tuple __lbu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LBU"); this->gen_sync(iss::PRE_SYNC, 13); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LBU x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 8/8), 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 13); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 14: LHU */ std::tuple __lhu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LHU"); this->gen_sync(iss::PRE_SYNC, 14); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LHU x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 16/8), 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 14); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 15: SB */ std::tuple __sb(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SB"); this->gen_sync(iss::PRE_SYNC, 15); int16_t fld_imm_val = 0 | (bit_sub<7,5>(instr)) | (signed_bit_sub<25,7>(instr) << 5); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SB x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(8))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 15); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 16: SH */ std::tuple __sh(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SH"); this->gen_sync(iss::PRE_SYNC, 16); int16_t fld_imm_val = 0 | (bit_sub<7,5>(instr)) | (signed_bit_sub<25,7>(instr) << 5); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SH x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(16))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 16); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 17: SW */ std::tuple __sw(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SW"); this->gen_sync(iss::PRE_SYNC, 17); int16_t fld_imm_val = 0 | (bit_sub<7,5>(instr)) | (signed_bit_sub<25,7>(instr) << 5); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SW x%1$d, %2%(x%3$d)"); ins_fmter % (uint64_t)fld_rs2_val % (int64_t)fld_imm_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 17); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 18: ADDI */ std::tuple __addi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("ADDI"); this->gen_sync(iss::PRE_SYNC, 18); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("ADDI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 18); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 19: SLTI */ std::tuple __slti(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLTI"); this->gen_sync(iss::PRE_SYNC, 19); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLTI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SLT, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, true), this->gen_ext( this->gen_const(32U, fld_imm_val), 32, true)), this->gen_const(32U, 1), this->gen_const(32U, 0), 32); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 19); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 20: SLTIU */ std::tuple __sltiu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLTIU"); this->gen_sync(iss::PRE_SYNC, 20); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLTIU x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; int32_t full_imm_val = fld_imm_val; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_ULT, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, false), this->gen_ext( full_imm_val, 32, false)), this->gen_const(32U, 1), this->gen_const(32U, 0), 32); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 20); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 21: XORI */ std::tuple __xori(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("XORI"); this->gen_sync(iss::PRE_SYNC, 21); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("XORI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateXor( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 21); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 22: ORI */ std::tuple __ori(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("ORI"); this->gen_sync(iss::PRE_SYNC, 22); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("ORI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateOr( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 22); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 23: ANDI */ std::tuple __andi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("ANDI"); this->gen_sync(iss::PRE_SYNC, 23); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); int16_t fld_imm_val = 0 | (signed_bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("ANDI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAnd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 23); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 24: SLLI */ std::tuple __slli(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLLI"); this->gen_sync(iss::PRE_SYNC, 24); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_shamt_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLLI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_shamt_val > 31){ this->gen_raise_trap(0, 0); } else { if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateShl( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 24); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 25: SRLI */ std::tuple __srli(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SRLI"); this->gen_sync(iss::PRE_SYNC, 25); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_shamt_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SRLI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_shamt_val > 31){ this->gen_raise_trap(0, 0); } else { if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateLShr( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 25); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 26: SRAI */ std::tuple __srai(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SRAI"); this->gen_sync(iss::PRE_SYNC, 26); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_shamt_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SRAI x%1$d, x%2$d, %3%"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_shamt_val > 31){ this->gen_raise_trap(0, 0); } else { if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAShr( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 26); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 27: ADD */ std::tuple __add(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("ADD"); this->gen_sync(iss::PRE_SYNC, 27); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("ADD x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 27); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 28: SUB */ std::tuple __sub(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SUB"); this->gen_sync(iss::PRE_SYNC, 28); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SUB x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateSub( this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 28); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 29: SLL */ std::tuple __sll(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLL"); this->gen_sync(iss::PRE_SYNC, 29); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLL x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateShl( this->gen_reg_load(fld_rs1_val, 0), this->builder.CreateAnd( this->gen_reg_load(fld_rs2_val, 0), 31)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 29); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 30: SLT */ std::tuple __slt(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLT"); this->gen_sync(iss::PRE_SYNC, 30); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLT x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SLT, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, true)), this->gen_const(32U, 1), this->gen_const(32U, 0), 32); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 30); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 31: SLTU */ std::tuple __sltu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SLTU"); this->gen_sync(iss::PRE_SYNC, 31); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SLTU x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_ULT, this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 32, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, false)), this->gen_const(32U, 1), this->gen_const(32U, 0), 32); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 31); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 32: XOR */ std::tuple __xor(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("XOR"); this->gen_sync(iss::PRE_SYNC, 32); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("XOR x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateXor( this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 32); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 33: SRL */ std::tuple __srl(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SRL"); this->gen_sync(iss::PRE_SYNC, 33); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SRL x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateLShr( this->gen_reg_load(fld_rs1_val, 0), this->builder.CreateAnd( this->gen_reg_load(fld_rs2_val, 0), 31)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 33); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 34: SRA */ std::tuple __sra(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SRA"); this->gen_sync(iss::PRE_SYNC, 34); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SRA x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAShr( this->gen_reg_load(fld_rs1_val, 0), this->builder.CreateAnd( this->gen_reg_load(fld_rs2_val, 0), 31)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 34); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 35: OR */ std::tuple __or(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("OR"); this->gen_sync(iss::PRE_SYNC, 35); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("OR x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateOr( this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 35); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 36: AND */ std::tuple __and(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AND"); this->gen_sync(iss::PRE_SYNC, 36); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AND x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->builder.CreateAnd( this->gen_reg_load(fld_rs1_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 36); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 37: FENCE */ std::tuple __fence(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("FENCE"); this->gen_sync(iss::PRE_SYNC, 37); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_succ_val = 0 | (bit_sub<20,4>(instr)); uint8_t fld_pred_val = 0 | (bit_sub<24,4>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("FENCE"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* FENCE_fence_val = this->builder.CreateOr( this->builder.CreateShl( this->gen_const(32U, fld_pred_val), this->gen_const(32U, 4)), this->gen_const(32U, fld_succ_val)); this->gen_write_mem( traits::FENCE, (uint64_t)0, this->builder.CreateZExtOrTrunc(FENCE_fence_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 37); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 38: FENCE_I */ std::tuple __fence_i(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("FENCE_I"); this->gen_sync(iss::PRE_SYNC, 38); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_imm_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("FENCE_I"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* FENCE_fencei_val = this->gen_const(32U, fld_imm_val); this->gen_write_mem( traits::FENCE, (uint64_t)1, this->builder.CreateZExtOrTrunc(FENCE_fencei_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 38); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::FLUSH, nullptr); } /* instruction 39: ECALL */ std::tuple __ecall(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("ECALL"); this->gen_sync(iss::PRE_SYNC, 39); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("ECALL"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_raise_trap(0, 11); this->gen_sync(iss::POST_SYNC, 39); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 40: EBREAK */ std::tuple __ebreak(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("EBREAK"); this->gen_sync(iss::PRE_SYNC, 40); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("EBREAK"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_raise_trap(0, 3); this->gen_sync(iss::POST_SYNC, 40); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 41: URET */ std::tuple __uret(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("URET"); this->gen_sync(iss::PRE_SYNC, 41); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("URET"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_leave_trap(0); this->gen_sync(iss::POST_SYNC, 41); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 42: SRET */ std::tuple __sret(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SRET"); this->gen_sync(iss::PRE_SYNC, 42); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("SRET"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_leave_trap(1); this->gen_sync(iss::POST_SYNC, 42); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 43: MRET */ std::tuple __mret(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("MRET"); this->gen_sync(iss::PRE_SYNC, 43); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("MRET"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_leave_trap(3); this->gen_sync(iss::POST_SYNC, 43); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 44: WFI */ std::tuple __wfi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("WFI"); this->gen_sync(iss::PRE_SYNC, 44); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("WFI"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; this->gen_wait(1); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 44); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 45: SFENCE.VMA */ std::tuple __sfence_vma(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SFENCE.VMA"); this->gen_sync(iss::PRE_SYNC, 45); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("SFENCE.VMA"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* FENCE_fencevmal_val = this->gen_const(32U, fld_rs1_val); this->gen_write_mem( traits::FENCE, (uint64_t)2, this->builder.CreateZExtOrTrunc(FENCE_fencevmal_val,this->get_type(32))); Value* FENCE_fencevmau_val = this->gen_const(32U, fld_rs2_val); this->gen_write_mem( traits::FENCE, (uint64_t)3, this->builder.CreateZExtOrTrunc(FENCE_fencevmau_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 45); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 46: CSRRW */ std::tuple __csrrw(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRW"); this->gen_sync(iss::PRE_SYNC, 46); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRW x%1$d, %2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* rs_val_val = this->gen_reg_load(fld_rs1_val, 0); if(fld_rd_val != 0){ Value* csr_val_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); Value* CSR_csr_val = rs_val_val; this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); Value* X_rd_val = csr_val_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } else { Value* CSR_csr_val = rs_val_val; this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 46); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 47: CSRRS */ std::tuple __csrrs(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRS"); this->gen_sync(iss::PRE_SYNC, 47); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRS x%1$d, %2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* xrd_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); Value* xrs1_val = this->gen_reg_load(fld_rs1_val, 0); if(fld_rd_val != 0){ Value* X_rd_val = xrd_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } if(fld_rs1_val != 0){ Value* CSR_csr_val = this->builder.CreateOr( xrd_val, xrs1_val); this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 47); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 48: CSRRC */ std::tuple __csrrc(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRC"); this->gen_sync(iss::PRE_SYNC, 48); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRC x%1$d, %2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* xrd_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); Value* xrs1_val = this->gen_reg_load(fld_rs1_val, 0); if(fld_rd_val != 0){ Value* X_rd_val = xrd_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } if(fld_rs1_val != 0){ Value* CSR_csr_val = this->builder.CreateAnd( xrd_val, this->builder.CreateNot(xrs1_val)); this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 48); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 49: CSRRWI */ std::tuple __csrrwi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRWI"); this->gen_sync(iss::PRE_SYNC, 49); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_zimm_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRWI x%1$d, %2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_zimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* X_rd_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* CSR_csr_val = this->gen_ext( this->gen_const(32U, fld_zimm_val), 32, false); this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 49); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 50: CSRRSI */ std::tuple __csrrsi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRSI"); this->gen_sync(iss::PRE_SYNC, 50); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_zimm_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRSI x%1$d, %2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_zimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* res_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); if(fld_zimm_val != 0){ Value* CSR_csr_val = this->builder.CreateOr( res_val, this->gen_ext( this->gen_const(32U, fld_zimm_val), 32, false)); this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); } if(fld_rd_val != 0){ Value* X_rd_val = res_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 50); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 51: CSRRCI */ std::tuple __csrrci(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("CSRRCI"); this->gen_sync(iss::PRE_SYNC, 51); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_zimm_val = 0 | (bit_sub<15,5>(instr)); uint16_t fld_csr_val = 0 | (bit_sub<20,12>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("CSRRCI x%1$d, %2$d, 0x%3$x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_csr_val % (uint64_t)fld_zimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* res_val = this->gen_read_mem(traits::CSR, fld_csr_val, 32/8); if(fld_rd_val != 0){ Value* X_rd_val = res_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } if(fld_zimm_val != 0){ Value* CSR_csr_val = this->builder.CreateAnd( res_val, this->builder.CreateNot(this->gen_ext( this->gen_const(32U, fld_zimm_val), 32, false))); this->gen_write_mem( traits::CSR, fld_csr_val, this->builder.CreateZExtOrTrunc(CSR_csr_val,this->get_type(32))); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 51); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 52: MUL */ std::tuple __mul(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("MUL"); this->gen_sync(iss::PRE_SYNC, 52); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("MUL x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* res_val = this->builder.CreateMul( this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 64, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 64, false)); Value* X_rd_val = this->gen_ext( res_val, 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 52); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 53: MULH */ std::tuple __mulh(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("MULH"); this->gen_sync(iss::PRE_SYNC, 53); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("MULH x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* res_val = this->builder.CreateMul( this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 64, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 64, true)); Value* X_rd_val = this->gen_ext( this->builder.CreateLShr( res_val, 32), 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 53); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 54: MULHSU */ std::tuple __mulhsu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("MULHSU"); this->gen_sync(iss::PRE_SYNC, 54); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("MULHSU x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* res_val = this->builder.CreateMul( this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 64, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 64, false)); Value* X_rd_val = this->gen_ext( this->builder.CreateLShr( res_val, 32), 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 54); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 55: MULHU */ std::tuple __mulhu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("MULHU"); this->gen_sync(iss::PRE_SYNC, 55); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("MULHU x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* res_val = this->builder.CreateMul( this->gen_ext( this->gen_reg_load(fld_rs1_val, 0), 64, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 64, false)); Value* X_rd_val = this->gen_ext( this->builder.CreateLShr( res_val, 32), 32, false); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 55); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 56: DIV */ std::tuple __div(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("DIV"); this->gen_sync(iss::PRE_SYNC, 56); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("DIV x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ llvm::BasicBlock* bbnext = llvm::BasicBlock::Create(this->mod->getContext(), "endif", this->func, this->leave_blk); llvm::BasicBlock* bb_then = llvm::BasicBlock::Create(this->mod->getContext(), "thenbr", this->func, bbnext); llvm::BasicBlock* bb_else = llvm::BasicBlock::Create(this->mod->getContext(), "elsebr", this->func, bbnext); // this->builder.SetInsertPoint(bb); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(fld_rs2_val, 0), this->gen_const(32U, 0)), bb_then, bb_else); this->builder.SetInsertPoint(bb_then); { Value* X_rd_val = this->builder.CreateSDiv( this->gen_ext( this->gen_reg_load(fld_rs1_val, 1), 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 1), 32, true)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); this->builder.SetInsertPoint(bb_else); { Value* X_rd_val = this->builder.CreateNeg(this->gen_const(32U, 1)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); bb=bbnext; this->builder.SetInsertPoint(bb); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 56); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 57: DIVU */ std::tuple __divu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("DIVU"); this->gen_sync(iss::PRE_SYNC, 57); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("DIVU x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ llvm::BasicBlock* bbnext = llvm::BasicBlock::Create(this->mod->getContext(), "endif", this->func, this->leave_blk); llvm::BasicBlock* bb_then = llvm::BasicBlock::Create(this->mod->getContext(), "thenbr", this->func, bbnext); llvm::BasicBlock* bb_else = llvm::BasicBlock::Create(this->mod->getContext(), "elsebr", this->func, bbnext); // this->builder.SetInsertPoint(bb); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(fld_rs2_val, 0), this->gen_const(32U, 0)), bb_then, bb_else); this->builder.SetInsertPoint(bb_then); { Value* X_rd_val = this->builder.CreateUDiv( this->gen_ext( this->gen_reg_load(fld_rs1_val, 1), 32, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 1), 32, false)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); this->builder.SetInsertPoint(bb_else); { Value* X_rd_val = this->builder.CreateNeg(this->gen_const(32U, 1)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); bb=bbnext; this->builder.SetInsertPoint(bb); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 57); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 58: REM */ std::tuple __rem(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("REM"); this->gen_sync(iss::PRE_SYNC, 58); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("REM x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ llvm::BasicBlock* bbnext = llvm::BasicBlock::Create(this->mod->getContext(), "endif", this->func, this->leave_blk); llvm::BasicBlock* bb_then = llvm::BasicBlock::Create(this->mod->getContext(), "thenbr", this->func, bbnext); llvm::BasicBlock* bb_else = llvm::BasicBlock::Create(this->mod->getContext(), "elsebr", this->func, bbnext); // this->builder.SetInsertPoint(bb); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(fld_rs2_val, 0), this->gen_const(32U, 0)), bb_then, bb_else); this->builder.SetInsertPoint(bb_then); { Value* X_rd_val = this->builder.CreateSRem( this->gen_ext( this->gen_reg_load(fld_rs1_val, 1), 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 1), 32, true)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); this->builder.SetInsertPoint(bb_else); { Value* X_rd_val = this->gen_reg_load(fld_rs1_val, 1); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); bb=bbnext; this->builder.SetInsertPoint(bb); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 58); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 59: REMU */ std::tuple __remu(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("REMU"); this->gen_sync(iss::PRE_SYNC, 59); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("REMU x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ llvm::BasicBlock* bbnext = llvm::BasicBlock::Create(this->mod->getContext(), "endif", this->func, this->leave_blk); llvm::BasicBlock* bb_then = llvm::BasicBlock::Create(this->mod->getContext(), "thenbr", this->func, bbnext); llvm::BasicBlock* bb_else = llvm::BasicBlock::Create(this->mod->getContext(), "elsebr", this->func, bbnext); // this->builder.SetInsertPoint(bb); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(fld_rs2_val, 0), this->gen_const(32U, 0)), bb_then, bb_else); this->builder.SetInsertPoint(bb_then); { Value* X_rd_val = this->builder.CreateURem( this->gen_ext( this->gen_reg_load(fld_rs1_val, 1), 32, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 1), 32, false)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); this->builder.SetInsertPoint(bb_else); { Value* X_rd_val = this->gen_reg_load(fld_rs1_val, 1); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->builder.CreateBr(bbnext); bb=bbnext; this->builder.SetInsertPoint(bb); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 59); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 60: LR.W */ std::tuple __lr_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("LR.W"); this->gen_sync(iss::PRE_SYNC, 60); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("LR.W x%1$d, x%2$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; if(fld_rd_val != 0){ Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); Value* RES_offs_val = this->gen_ext( this->builder.CreateNeg(this->gen_const(8U, 1)), 32, true); this->gen_write_mem( traits::RES, offs_val, this->builder.CreateZExtOrTrunc(RES_offs_val,this->get_type(32))); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 60); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 61: SC.W */ std::tuple __sc_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("SC.W"); this->gen_sync(iss::PRE_SYNC, 61); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("SC.W x%1$d, x%2$d, x%3$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_read_mem(traits::RES, offs_val, 32/8); llvm::BasicBlock* bbnext = llvm::BasicBlock::Create(this->mod->getContext(), "endif", this->func, this->leave_blk); llvm::BasicBlock* bb_then = llvm::BasicBlock::Create(this->mod->getContext(), "thenbr", this->func, bbnext); // this->builder.SetInsertPoint(bb); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_NE, res1_val, this->gen_const(32U, 0)), bb_then, bbnext); this->builder.SetInsertPoint(bb_then); { Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 1); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); } this->builder.CreateBr(bbnext); bb=bbnext; this->builder.SetInsertPoint(bb); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_NE, res1_val, this->gen_const(32U, 0)), this->gen_const(32U, 0), this->gen_const(32U, 1), 32); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 61); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 62: AMOSWAP.W */ std::tuple __amoswap_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOSWAP.W"); this->gen_sync(iss::PRE_SYNC, 62); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOSWAP.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); if(fld_rd_val != 0){ Value* X_rd_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 62); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 63: AMOADD.W */ std::tuple __amoadd_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOADD.W"); this->gen_sync(iss::PRE_SYNC, 63); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOADD.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->builder.CreateAdd( res1_val, this->gen_reg_load(fld_rs2_val, 0)); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 63); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 64: AMOXOR.W */ std::tuple __amoxor_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOXOR.W"); this->gen_sync(iss::PRE_SYNC, 64); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOXOR.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->builder.CreateXor( res1_val, this->gen_reg_load(fld_rs2_val, 0)); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 64); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 65: AMOAND.W */ std::tuple __amoand_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOAND.W"); this->gen_sync(iss::PRE_SYNC, 65); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOAND.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->builder.CreateAnd( res1_val, this->gen_reg_load(fld_rs2_val, 0)); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 65); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 66: AMOOR.W */ std::tuple __amoor_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOOR.W"); this->gen_sync(iss::PRE_SYNC, 66); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOOR.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->builder.CreateOr( res1_val, this->gen_reg_load(fld_rs2_val, 0)); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 66); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 67: AMOMIN.W */ std::tuple __amomin_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOMIN.W"); this->gen_sync(iss::PRE_SYNC, 67); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOMIN.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SGT, this->gen_ext( res1_val, 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, true)), this->gen_reg_load(fld_rs2_val, 0), res1_val, 32); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 67); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 68: AMOMAX.W */ std::tuple __amomax_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOMAX.W"); this->gen_sync(iss::PRE_SYNC, 68); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOMAX.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, true); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_SLT, this->gen_ext( res1_val, 32, true), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, true)), this->gen_reg_load(fld_rs2_val, 0), res1_val, 32); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 68); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 69: AMOMINU.W */ std::tuple __amominu_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOMINU.W"); this->gen_sync(iss::PRE_SYNC, 69); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOMINU.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, false); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_UGT, res1_val, this->gen_reg_load(fld_rs2_val, 0)), this->gen_reg_load(fld_rs2_val, 0), res1_val, 32); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 69); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 70: AMOMAXU.W */ std::tuple __amomaxu_w(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("AMOMAXU.W"); this->gen_sync(iss::PRE_SYNC, 70); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<15,5>(instr)); uint8_t fld_rs2_val = 0 | (bit_sub<20,5>(instr)); uint8_t fld_rl_val = 0 | (bit_sub<25,1>(instr)); uint8_t fld_aq_val = 0 | (bit_sub<26,1>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("AMOMAXU.W x%1$d, x%2$d, x%3$d (aqu=%4$d,rel=%5$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_aq_val % (uint64_t)fld_rl_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+4; Value* offs_val = this->gen_reg_load(fld_rs1_val, 0); Value* res1_val = this->gen_ext( this->gen_read_mem(traits::MEM, offs_val, 32/8), 32, false); if(fld_rd_val != 0){ Value* X_rd_val = res1_val; this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); } Value* res2_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_ULT, this->gen_ext( res1_val, 32, false), this->gen_ext( this->gen_reg_load(fld_rs2_val, 0), 32, false)), this->gen_reg_load(fld_rs2_val, 0), res1_val, 32); Value* MEM_offs_val = res2_val; this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 70); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 71: C.ADDI4SPN */ std::tuple __c_addi4spn(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.ADDI4SPN"); this->gen_sync(iss::PRE_SYNC, 71); uint8_t fld_rd_val = 0 | (bit_sub<2,3>(instr)); uint16_t fld_imm_val = 0 | (bit_sub<5,1>(instr) << 3) | (bit_sub<6,1>(instr) << 2) | (bit_sub<7,4>(instr) << 6) | (bit_sub<11,2>(instr) << 4); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.ADDI4SPN x%1$d, 0x%2$05x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; if(fld_imm_val == 0){ this->gen_raise_trap(0, 2); } uint8_t rd_idx_val = (fld_rd_val + 8); uint8_t x2_idx_val = 2; Value* X_rd_idx_val = this->builder.CreateAdd( this->gen_reg_load(x2_idx_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 71); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 72: C.LW */ std::tuple __c_lw(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.LW"); this->gen_sync(iss::PRE_SYNC, 72); uint8_t fld_rd_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_uimm_val = 0 | (bit_sub<5,1>(instr) << 6) | (bit_sub<6,1>(instr) << 2) | (bit_sub<10,3>(instr) << 3); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.LW x(8+%1$d), x(8+%2$d), 0x%3$05x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs1_val % (uint64_t)fld_uimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); uint8_t rd_idx_val = (fld_rd_val + 8); Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, fld_uimm_val)); Value* X_rd_idx_val = this->gen_read_mem(traits::MEM, offs_val, 32/8); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 72); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 73: C.SW */ std::tuple __c_sw(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SW"); this->gen_sync(iss::PRE_SYNC, 73); uint8_t fld_rs2_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_uimm_val = 0 | (bit_sub<5,1>(instr) << 6) | (bit_sub<6,1>(instr) << 2) | (bit_sub<10,3>(instr) << 3); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SW x(8+%1$d), x(8+%2$d), 0x%3$05x"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_rs2_val % (uint64_t)fld_uimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); uint8_t rs2_idx_val = (fld_rs2_val + 8); Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, fld_uimm_val)); Value* MEM_offs_val = this->gen_reg_load(rs2_idx_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 73); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 74: C.ADDI */ std::tuple __c_addi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.ADDI"); this->gen_sync(iss::PRE_SYNC, 74); int8_t fld_imm_val = 0 | (bit_sub<2,5>(instr)) | (signed_bit_sub<12,1>(instr) << 5); uint8_t fld_rs1_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.ADDI x%1$d, 0x%2$05x"); ins_fmter % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; Value* X_rs1_val = this->builder.CreateAdd( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rs1_val, get_reg_ptr(fld_rs1_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 74); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 75: C.NOP */ std::tuple __c_nop(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.NOP"); this->gen_sync(iss::PRE_SYNC, 75); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("C.NOP"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; /* TODO: describe operations for C.NOP ! */ this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 75); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 76: C.JAL */ std::tuple __c_jal(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.JAL"); this->gen_sync(iss::PRE_SYNC, 76); int16_t fld_imm_val = 0 | (bit_sub<2,1>(instr) << 5) | (bit_sub<3,3>(instr) << 1) | (bit_sub<6,1>(instr) << 7) | (bit_sub<7,1>(instr) << 6) | (bit_sub<8,1>(instr) << 10) | (bit_sub<9,2>(instr) << 8) | (bit_sub<11,1>(instr) << 4) | (signed_bit_sub<12,1>(instr) << 11); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.JAL 0x%1$05x"); ins_fmter % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rd_val = 1; Value* X_rd_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 2)); this->builder.CreateStore(X_rd_val, get_reg_ptr(rd_val), false); Value* PC_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 76); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 77: C.LI */ std::tuple __c_li(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.LI"); this->gen_sync(iss::PRE_SYNC, 77); int8_t fld_imm_val = 0 | (bit_sub<2,5>(instr)) | (signed_bit_sub<12,1>(instr) << 5); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.LI x%1$d, 0x%2$05x"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; if(fld_rd_val == 0){ this->gen_raise_trap(0, 2); } Value* X_rd_val = this->gen_const(32U, fld_imm_val); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 77); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 78: C.LUI */ std::tuple __c_lui(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.LUI"); this->gen_sync(iss::PRE_SYNC, 78); int32_t fld_imm_val = 0 | (bit_sub<2,5>(instr) << 12) | (signed_bit_sub<12,1>(instr) << 17); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.LUI x%1$d, 0x%2$05x"); ins_fmter % (uint64_t)fld_rd_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; if(fld_rd_val == 0){ this->gen_raise_trap(0, 2); } if(fld_imm_val == 0){ this->gen_raise_trap(0, 2); } Value* X_rd_val = this->gen_const(32U, fld_imm_val); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 78); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 79: C.ADDI16SP */ std::tuple __c_addi16sp(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.ADDI16SP"); this->gen_sync(iss::PRE_SYNC, 79); int16_t fld_imm_val = 0 | (bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 7) | (bit_sub<5,1>(instr) << 6) | (bit_sub<6,1>(instr) << 4) | (signed_bit_sub<12,1>(instr) << 9); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.ADDI16SP 0x%1$05x"); ins_fmter % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t x2_idx_val = 2; Value* X_x2_idx_val = this->builder.CreateAdd( this->gen_ext( this->gen_reg_load(x2_idx_val, 0), 32, true), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_x2_idx_val, get_reg_ptr(x2_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 79); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 80: C.SRLI */ std::tuple __c_srli(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SRLI"); this->gen_sync(iss::PRE_SYNC, 80); uint8_t fld_shamt_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SRLI x(8+%1$d), %2$d"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); Value* X_rs1_idx_val = this->builder.CreateLShr( this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rs1_idx_val, get_reg_ptr(rs1_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 80); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 81: C.SRAI */ std::tuple __c_srai(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SRAI"); this->gen_sync(iss::PRE_SYNC, 81); uint8_t fld_shamt_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SRAI x(8+%1$d), %2$d"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); Value* X_rs1_idx_val = this->builder.CreateAShr( this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rs1_idx_val, get_reg_ptr(rs1_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 81); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 82: C.ANDI */ std::tuple __c_andi(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.ANDI"); this->gen_sync(iss::PRE_SYNC, 82); int8_t fld_imm_val = 0 | (bit_sub<2,5>(instr)) | (signed_bit_sub<12,1>(instr) << 5); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.ANDI x(8+%1$d), 0x%2$05x"); ins_fmter % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); Value* X_rs1_idx_val = this->builder.CreateAnd( this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(X_rs1_idx_val, get_reg_ptr(rs1_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 82); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 83: C.SUB */ std::tuple __c_sub(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SUB"); this->gen_sync(iss::PRE_SYNC, 83); uint8_t fld_rs2_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SUB x(8+%1$d), x(8+%2$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rd_idx_val = (fld_rd_val + 8); uint8_t rs2_idx_val = (fld_rs2_val + 8); Value* X_rd_idx_val = this->builder.CreateSub( this->gen_reg_load(rd_idx_val, 0), this->gen_reg_load(rs2_idx_val, 0)); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 83); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 84: C.XOR */ std::tuple __c_xor(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.XOR"); this->gen_sync(iss::PRE_SYNC, 84); uint8_t fld_rs2_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.XOR x(8+%1$d), x(8+%2$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rd_idx_val = (fld_rd_val + 8); uint8_t rs2_idx_val = (fld_rs2_val + 8); Value* X_rd_idx_val = this->builder.CreateXor( this->gen_reg_load(rd_idx_val, 0), this->gen_reg_load(rs2_idx_val, 0)); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 84); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 85: C.OR */ std::tuple __c_or(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.OR"); this->gen_sync(iss::PRE_SYNC, 85); uint8_t fld_rs2_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.OR x(8+%1$d), x(8+%2$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rd_idx_val = (fld_rd_val + 8); uint8_t rs2_idx_val = (fld_rs2_val + 8); Value* X_rd_idx_val = this->builder.CreateOr( this->gen_reg_load(rd_idx_val, 0), this->gen_reg_load(rs2_idx_val, 0)); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 85); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 86: C.AND */ std::tuple __c_and(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.AND"); this->gen_sync(iss::PRE_SYNC, 86); uint8_t fld_rs2_val = 0 | (bit_sub<2,3>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.AND x(8+%1$d), x(8+%2$d)"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rd_idx_val = (fld_rd_val + 8); uint8_t rs2_idx_val = (fld_rs2_val + 8); Value* X_rd_idx_val = this->builder.CreateAnd( this->gen_reg_load(rd_idx_val, 0), this->gen_reg_load(rs2_idx_val, 0)); this->builder.CreateStore(X_rd_idx_val, get_reg_ptr(rd_idx_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 86); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 87: C.J */ std::tuple __c_j(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.J"); this->gen_sync(iss::PRE_SYNC, 87); int16_t fld_imm_val = 0 | (bit_sub<2,1>(instr) << 5) | (bit_sub<3,3>(instr) << 1) | (bit_sub<6,1>(instr) << 7) | (bit_sub<7,1>(instr) << 6) | (bit_sub<8,1>(instr) << 10) | (bit_sub<9,2>(instr) << 8) | (bit_sub<11,1>(instr) << 4) | (signed_bit_sub<12,1>(instr) << 11); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.J 0x%1$05x"); ins_fmter % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; Value* PC_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 87); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 88: C.BEQZ */ std::tuple __c_beqz(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.BEQZ"); this->gen_sync(iss::PRE_SYNC, 88); int16_t fld_imm_val = 0 | (bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 1) | (bit_sub<5,2>(instr) << 6) | (bit_sub<10,2>(instr) << 3) | (signed_bit_sub<12,1>(instr) << 8); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.BEQZ x(8+%1$d), 0x%2$05x"); ins_fmter % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_EQ, this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 2)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 88); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 89: C.BNEZ */ std::tuple __c_bnez(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.BNEZ"); this->gen_sync(iss::PRE_SYNC, 89); int16_t fld_imm_val = 0 | (bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 1) | (bit_sub<5,2>(instr) << 6) | (bit_sub<10,2>(instr) << 3) | (signed_bit_sub<12,1>(instr) << 8); uint8_t fld_rs1_val = 0 | (bit_sub<7,3>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.BNEZ x(8+%1$d), 0x%2$05x"); ins_fmter % (uint64_t)fld_rs1_val % (int64_t)fld_imm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t rs1_idx_val = (fld_rs1_val + 8); Value* PC_val = this->gen_choose( this->builder.CreateICmp( ICmpInst::ICMP_NE, this->gen_reg_load(rs1_idx_val, 0), this->gen_const(32U, 0)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, fld_imm_val)), this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 2)), 32); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 89); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 90: C.SLLI */ std::tuple __c_slli(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SLLI"); this->gen_sync(iss::PRE_SYNC, 90); uint8_t fld_shamt_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_rs1_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SLLI x%1$d, %2$d"); ins_fmter % (uint64_t)fld_rs1_val % (uint64_t)fld_shamt_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; if(fld_rs1_val == 0){ this->gen_raise_trap(0, 2); } Value* X_rs1_val = this->builder.CreateShl( this->gen_reg_load(fld_rs1_val, 0), this->gen_const(32U, fld_shamt_val)); this->builder.CreateStore(X_rs1_val, get_reg_ptr(fld_rs1_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 90); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 91: C.LWSP */ std::tuple __c_lwsp(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.LWSP"); this->gen_sync(iss::PRE_SYNC, 91); uint8_t fld_uimm_val = 0 | (bit_sub<2,2>(instr) << 6) | (bit_sub<4,3>(instr) << 2) | (bit_sub<12,1>(instr) << 5); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.LWSP x%1$d, sp, 0x%2$05x"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_uimm_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t x2_idx_val = 2; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(x2_idx_val, 0), this->gen_const(32U, fld_uimm_val)); Value* X_rd_val = this->gen_read_mem(traits::MEM, offs_val, 32/8); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 91); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 92: C.MV */ std::tuple __c_mv(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.MV"); this->gen_sync(iss::PRE_SYNC, 92); uint8_t fld_rs2_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.MV x%1$d, x%2$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; Value* X_rd_val = this->gen_reg_load(fld_rs2_val, 0); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 92); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 93: C.JR */ std::tuple __c_jr(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.JR"); this->gen_sync(iss::PRE_SYNC, 93); uint8_t fld_rs1_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.JR x%1$d"); ins_fmter % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; Value* PC_val = this->gen_reg_load(fld_rs1_val, 0); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 93); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 94: C.ADD */ std::tuple __c_add(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.ADD"); this->gen_sync(iss::PRE_SYNC, 94); uint8_t fld_rs2_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_rd_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.ADD x%1$d, x%2$d"); ins_fmter % (uint64_t)fld_rd_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; Value* X_rd_val = this->builder.CreateAdd( this->gen_reg_load(fld_rd_val, 0), this->gen_reg_load(fld_rs2_val, 0)); this->builder.CreateStore(X_rd_val, get_reg_ptr(fld_rd_val), false); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 94); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 95: C.JALR */ std::tuple __c_jalr(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.JALR"); this->gen_sync(iss::PRE_SYNC, 95); uint8_t fld_rs1_val = 0 | (bit_sub<7,5>(instr)); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.JALR x%1$d"); ins_fmter % (uint64_t)fld_rs1_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t r_idx_val = 1; Value* X_r_idx_val = this->builder.CreateAdd( cur_pc_val, this->gen_const(32U, 2)); this->builder.CreateStore(X_r_idx_val, get_reg_ptr(r_idx_val), false); Value* PC_val = this->gen_reg_load(fld_rs1_val, 0); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); this->gen_sync(iss::POST_SYNC, 95); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 96: C.EBREAK */ std::tuple __c_ebreak(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.EBREAK"); this->gen_sync(iss::PRE_SYNC, 96); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("C.EBREAK"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; this->gen_raise_trap(0, 3); this->gen_sync(iss::POST_SYNC, 96); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } /* instruction 97: C.SWSP */ std::tuple __c_swsp(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("C.SWSP"); this->gen_sync(iss::PRE_SYNC, 97); uint8_t fld_rs2_val = 0 | (bit_sub<2,5>(instr)); uint8_t fld_uimm_val = 0 | (bit_sub<7,2>(instr) << 6) | (bit_sub<9,4>(instr) << 2); if(this->disass_enabled){ /* generate console output when executing the command */ boost::format ins_fmter("C.SWSP x2+0x%1$05x, x%2$d"); ins_fmter % (uint64_t)fld_uimm_val % (uint64_t)fld_rs2_val; std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr(ins_fmter.str()), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; uint8_t x2_idx_val = 2; Value* offs_val = this->builder.CreateAdd( this->gen_reg_load(x2_idx_val, 0), this->gen_const(32U, fld_uimm_val)); Value* MEM_offs_val = this->gen_reg_load(fld_rs2_val, 0); this->gen_write_mem( traits::MEM, offs_val, this->builder.CreateZExtOrTrunc(MEM_offs_val,this->get_type(32))); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 97); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /* instruction 98: DII */ std::tuple __dii(virt_addr_t& pc, code_word_t instr, llvm::BasicBlock* bb){ bb->setName("DII"); this->gen_sync(iss::PRE_SYNC, 98); ; if(this->disass_enabled){ /* generate console output when executing the command */ std::vector args { this->core_ptr, this->gen_const(64, pc.val), this->builder.CreateGlobalStringPtr("DII"), }; this->builder.CreateCall(this->mod->getFunction("print_disass"), args); } Value* cur_pc_val = this->gen_const(32, pc.val); pc=pc+2; this->gen_raise_trap(0, 2); this->gen_set_pc(pc, traits::NEXT_PC); this->gen_sync(iss::POST_SYNC, 98); bb = llvm::BasicBlock::Create(this->mod->getContext(), "entry", this->func, this->leave_blk); /* create next BasicBlock in chain */ this->gen_trap_check(bb); return std::make_tuple(vm::CONT, bb); } /**************************************************************************** * end opcode definitions ****************************************************************************/ std::tuple illegal_intruction(virt_addr_t &pc, code_word_t instr, llvm::BasicBlock *bb) { this->gen_sync(iss::PRE_SYNC, instr_descr.size()); this->builder.CreateStore(this->builder.CreateLoad(get_reg_ptr(traits::NEXT_PC), true), get_reg_ptr(traits::PC), true); this->builder.CreateStore( this->builder.CreateAdd(this->builder.CreateLoad(get_reg_ptr(traits::ICOUNT), true), this->gen_const(64U, 1)), get_reg_ptr(traits::ICOUNT), true); pc = pc + ((instr & 3) == 3 ? 4 : 2); this->gen_raise_trap(0, 2); // illegal instruction trap this->gen_sync(iss::POST_SYNC, instr_descr.size()); this->gen_trap_check(this->leave_blk); return std::make_tuple(iss::vm::BRANCH, nullptr); } }; template void debug_fn(CODE_WORD insn) { volatile CODE_WORD x = insn; insn = 2 * x; } template vm_impl::vm_impl() { this(new ARCH()); } template vm_impl::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id) : vm::vm_base(core, core_id, cluster_id) { qlut[0] = lut_00.data(); qlut[1] = lut_01.data(); qlut[2] = lut_10.data(); qlut[3] = lut_11.data(); for (auto instr : instr_descr) { auto quantrant = instr.value & 0x3; expand_bit_mask(29, lutmasks[quantrant], instr.value >> 2, instr.mask >> 2, 0, qlut[quantrant], instr.op); } } template std::tuple vm_impl::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, llvm::BasicBlock *this_block) { // we fetch at max 4 byte, alignment is 2 code_word_t insn = 0; const typename traits::addr_t upper_bits = ~traits::PGMASK; phys_addr_t paddr(pc); try { uint8_t *const data = (uint8_t *)&insn; paddr = this->core.v2p(pc); if ((pc.val & upper_bits) != ((pc.val + 2) & upper_bits)) { // we may cross a page boundary auto res = this->core.read(paddr, 2, data); if (res != iss::Ok) throw trap_access(1, pc.val); if ((insn & 0x3) == 0x3) { // this is a 32bit instruction res = this->core.read(this->core.v2p(pc + 2), 2, data + 2); } } else { auto res = this->core.read(paddr, 4, data); if (res != iss::Ok) throw trap_access(1, pc.val); } } catch (trap_access &ta) { throw trap_access(ta.id, pc.val); } if (insn == 0x0000006f || (insn&0xffff)==0xa001) throw simulation_stopped(0); // 'J 0' or 'C.J 0' // curr pc on stack typename vm_impl::processing_pc_entry addr(*this, pc, paddr); ++inst_cnt; auto lut_val = extract_fields(insn); auto f = qlut[insn & 0x3][lut_val]; if (f == nullptr) { f = &this_class::illegal_intruction; } return (this->*f)(pc, insn, this_block); } template void vm_impl::gen_leave_behavior(llvm::BasicBlock *leave_blk) { this->builder.SetInsertPoint(leave_blk); this->builder.CreateRet(this->builder.CreateLoad(get_reg_ptr(arch::traits::NEXT_PC), false)); } template void vm_impl::gen_raise_trap(uint16_t trap_id, uint16_t cause) { auto *TRAP_val = this->gen_const(32, 0x80 << 24 | (cause << 16) | trap_id); this->builder.CreateStore(TRAP_val, get_reg_ptr(traits::TRAP_STATE), true); } template void vm_impl::gen_leave_trap(unsigned lvl) { std::vector args{ this->core_ptr, llvm::ConstantInt::get(getContext(), llvm::APInt(64, lvl)), }; this->builder.CreateCall(this->mod->getFunction("leave_trap"), args); auto *PC_val = this->gen_read_mem(traits::CSR, (lvl << 8) + 0x41, traits::XLEN / 8); this->builder.CreateStore(PC_val, get_reg_ptr(traits::NEXT_PC), false); } template void vm_impl::gen_wait(unsigned type) { std::vector args{ this->core_ptr, llvm::ConstantInt::get(getContext(), llvm::APInt(64, type)), }; this->builder.CreateCall(this->mod->getFunction("wait"), args); } template void vm_impl::gen_trap_behavior(llvm::BasicBlock *trap_blk) { this->builder.SetInsertPoint(trap_blk); auto *trap_state_val = this->builder.CreateLoad(get_reg_ptr(traits::TRAP_STATE), true); std::vector args{this->core_ptr, this->adj_to64(trap_state_val), this->adj_to64(this->builder.CreateLoad(get_reg_ptr(traits::PC), false))}; this->builder.CreateCall(this->mod->getFunction("enter_trap"), args); auto *trap_addr_val = this->builder.CreateLoad(get_reg_ptr(traits::NEXT_PC), false); this->builder.CreateRet(trap_addr_val); } template inline void vm_impl::gen_trap_check(llvm::BasicBlock *bb) { auto *v = this->builder.CreateLoad(get_reg_ptr(arch::traits::TRAP_STATE), true); this->gen_cond_branch(this->builder.CreateICmp( ICmpInst::ICMP_EQ, v, llvm::ConstantInt::get(getContext(), llvm::APInt(v->getType()->getIntegerBitWidth(), 0))), bb, this->trap_blk, 1); } } // namespace rv32imac template <> std::unique_ptr create(arch::rv32imac *core, unsigned short port, bool dump) { std::unique_ptr> ret = std::make_unique>(*core, dump); if (port != 0) debugger::server::run_server(ret.get(), port); return ret; } } // namespace iss