/******************************************************************************* * Copyright (C) 2021 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. * *******************************************************************************/ // clang-format off #include #include #include #include #include #include #include #include #include #include #include #include #ifndef FMT_HEADER_ONLY #define FMT_HEADER_ONLY #endif #include #include #include namespace iss { namespace interp { namespace tgc5a { using namespace iss::arch; using namespace iss::debugger; using namespace std::placeholders; struct memory_access_exception : public std::exception{ memory_access_exception(){} }; template class vm_impl : public iss::interp::vm_base { public: using traits = arch::traits; using super = typename iss::interp::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; using reg_t = typename traits::reg_t; using mem_type_e = typename traits::mem_type_e; using opcode_e = typename traits::opcode_e; 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) override { debugger_if::dbg_enabled = true; if (super::tgt_adapter == nullptr) super::tgt_adapter = new riscv_target_adapter(srv, this->get_arch()); return super::tgt_adapter; } protected: using this_class = vm_impl; using compile_ret_t = virt_addr_t; using compile_func = compile_ret_t (this_class::*)(virt_addr_t &pc, code_word_t instr); inline const char *name(size_t index){return indexcore.reg.trap_state = trap_val; this->template get_reg(traits::NEXT_PC) = std::numeric_limits::max(); } inline void leave(unsigned lvl){ this->core.leave_trap(lvl); } inline void wait(unsigned type){ this->core.wait_until(type); } using yield_t = boost::coroutines2::coroutine::push_type; using coro_t = boost::coroutines2::coroutine::pull_type; std::vector spawn_blocks; template::type> inline S sext(U from) { auto mask = (1ULL<::opcode_e op; }; struct decoding_tree_node{ std::vector instrs; std::vector children; uint32_t submask = std::numeric_limits::max(); uint32_t value; decoding_tree_node(uint32_t value) : value(value){} }; decoding_tree_node* root {nullptr}; const std::array instr_descr = {{ /* entries are: size, valid value, valid mask, function ptr */ {32, 0b00000000000000000000000000110111, 0b00000000000000000000000001111111, arch::traits::opcode_e::LUI}, {32, 0b00000000000000000000000000010111, 0b00000000000000000000000001111111, arch::traits::opcode_e::AUIPC}, {32, 0b00000000000000000000000001101111, 0b00000000000000000000000001111111, arch::traits::opcode_e::JAL}, {32, 0b00000000000000000000000001100111, 0b00000000000000000111000001111111, arch::traits::opcode_e::JALR}, {32, 0b00000000000000000000000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BEQ}, {32, 0b00000000000000000001000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BNE}, {32, 0b00000000000000000100000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BLT}, {32, 0b00000000000000000101000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BGE}, {32, 0b00000000000000000110000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BLTU}, {32, 0b00000000000000000111000001100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::BGEU}, {32, 0b00000000000000000000000000000011, 0b00000000000000000111000001111111, arch::traits::opcode_e::LB}, {32, 0b00000000000000000001000000000011, 0b00000000000000000111000001111111, arch::traits::opcode_e::LH}, {32, 0b00000000000000000010000000000011, 0b00000000000000000111000001111111, arch::traits::opcode_e::LW}, {32, 0b00000000000000000100000000000011, 0b00000000000000000111000001111111, arch::traits::opcode_e::LBU}, {32, 0b00000000000000000101000000000011, 0b00000000000000000111000001111111, arch::traits::opcode_e::LHU}, {32, 0b00000000000000000000000000100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::SB}, {32, 0b00000000000000000001000000100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::SH}, {32, 0b00000000000000000010000000100011, 0b00000000000000000111000001111111, arch::traits::opcode_e::SW}, {32, 0b00000000000000000000000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::ADDI}, {32, 0b00000000000000000010000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::SLTI}, {32, 0b00000000000000000011000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::SLTIU}, {32, 0b00000000000000000100000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::XORI}, {32, 0b00000000000000000110000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::ORI}, {32, 0b00000000000000000111000000010011, 0b00000000000000000111000001111111, arch::traits::opcode_e::ANDI}, {32, 0b00000000000000000001000000010011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SLLI}, {32, 0b00000000000000000101000000010011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SRLI}, {32, 0b01000000000000000101000000010011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SRAI}, {32, 0b00000000000000000000000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::ADD}, {32, 0b01000000000000000000000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SUB}, {32, 0b00000000000000000001000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SLL}, {32, 0b00000000000000000010000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SLT}, {32, 0b00000000000000000011000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SLTU}, {32, 0b00000000000000000100000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::XOR}, {32, 0b00000000000000000101000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SRL}, {32, 0b01000000000000000101000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::SRA}, {32, 0b00000000000000000110000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::OR}, {32, 0b00000000000000000111000000110011, 0b11111110000000000111000001111111, arch::traits::opcode_e::AND}, {32, 0b00000000000000000000000000001111, 0b00000000000000000111000001111111, arch::traits::opcode_e::FENCE}, {32, 0b00000000000000000000000001110011, 0b11111111111111111111111111111111, arch::traits::opcode_e::ECALL}, {32, 0b00000000000100000000000001110011, 0b11111111111111111111111111111111, arch::traits::opcode_e::EBREAK}, {32, 0b00110000001000000000000001110011, 0b11111111111111111111111111111111, arch::traits::opcode_e::MRET}, {32, 0b00010000010100000000000001110011, 0b11111111111111111111111111111111, arch::traits::opcode_e::WFI}, {32, 0b00000000000000000001000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRW}, {32, 0b00000000000000000010000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRS}, {32, 0b00000000000000000011000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRC}, {32, 0b00000000000000000101000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRWI}, {32, 0b00000000000000000110000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRSI}, {32, 0b00000000000000000111000001110011, 0b00000000000000000111000001111111, arch::traits::opcode_e::CSRRCI}, {32, 0b00000000000000000001000000001111, 0b00000000000000000111000001111111, arch::traits::opcode_e::FENCE_I}, }}; iss::status fetch_ins(virt_addr_t pc, uint8_t * data){ if(this->core.has_mmu()) { auto phys_pc = this->core.virt2phys(pc); // if ((pc.val & upper_bits) != ((pc.val + 2) & upper_bits)) { // we may cross a page boundary // if (this->core.read(phys_pc, 2, data) != iss::Ok) return iss::Err; // if ((data[0] & 0x3) == 0x3) // this is a 32bit instruction // if (this->core.read(this->core.v2p(pc + 2), 2, data + 2) != iss::Ok) // return iss::Err; // } else { if (this->core.read(phys_pc, 4, data) != iss::Ok) return iss::Err; // } } else { if (this->core.read(phys_addr_t(pc.access, pc.space, pc.val), 4, data) != iss::Ok) return iss::Err; } return iss::Ok; } void populate_decoding_tree(decoding_tree_node* root){ //create submask for(auto instr: root->instrs){ root->submask &= instr.mask; } //put each instr according to submask&encoding into children for(auto instr: root->instrs){ bool foundMatch = false; for(auto child: root->children){ //use value as identifying trait if(child->value == (instr.value&root->submask)){ child->instrs.push_back(instr); foundMatch = true; } } if(!foundMatch){ decoding_tree_node* child = new decoding_tree_node(instr.value&root->submask); child->instrs.push_back(instr); root->children.push_back(child); } } root->instrs.clear(); //call populate_decoding_tree for all children if(root->children.size() >1) for(auto child: root->children){ populate_decoding_tree(child); } else{ //sort instrs by value of the mask, this works bc we want to have the least restrictive one last std::sort(root->children[0]->instrs.begin(), root->children[0]->instrs.end(), [](const instruction_descriptor& instr1, const instruction_descriptor& instr2) { return instr1.mask > instr2.mask; }); } } typename arch::traits::opcode_e decode_instr(decoding_tree_node* node, code_word_t word){ if(!node->children.size()){ if(node->instrs.size() == 1) return node->instrs[0].op; for(auto instr : node->instrs){ if((instr.mask&word) == instr.value) return instr.op; } } else{ for(auto child : node->children){ if (child->value == (node->submask&word)){ return decode_instr(child, word); } } } return arch::traits::opcode_e::MAX_OPCODE; } }; template void debug_fn(CODE_WORD insn) { volatile CODE_WORD x = insn; insn = 2 * x; } template vm_impl::vm_impl() { this(new ARCH()); } // according to // https://stackoverflow.com/questions/8871204/count-number-of-1s-in-binary-representation #ifdef __GCC__ constexpr size_t bit_count(uint32_t u) { return __builtin_popcount(u); } #elif __cplusplus < 201402L constexpr size_t uCount(uint32_t u) { return u - ((u >> 1) & 033333333333) - ((u >> 2) & 011111111111); } constexpr size_t bit_count(uint32_t u) { return ((uCount(u) + (uCount(u) >> 3)) & 030707070707) % 63; } #else constexpr size_t bit_count(uint32_t u) { size_t uCount = u - ((u >> 1) & 033333333333) - ((u >> 2) & 011111111111); return ((uCount + (uCount >> 3)) & 030707070707) % 63; } #endif template vm_impl::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id) : vm_base(core, core_id, cluster_id) { root = new decoding_tree_node(std::numeric_limits::max()); for(auto instr:instr_descr){ root->instrs.push_back(instr); } populate_decoding_tree(root); } inline bool is_count_limit_enabled(finish_cond_e cond){ return (cond & finish_cond_e::COUNT_LIMIT) == finish_cond_e::COUNT_LIMIT; } inline bool is_jump_to_self_enabled(finish_cond_e cond){ return (cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF; } template typename vm_base::virt_addr_t vm_impl::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){ auto pc=start; auto* PC = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::PC]); auto* NEXT_PC = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::NEXT_PC]); auto& trap_state = this->core.reg.trap_state; auto& icount = this->core.reg.icount; auto& cycle = this->core.reg.cycle; auto& instret = this->core.reg.instret; auto& instr = this->core.reg.instruction; // we fetch at max 4 byte, alignment is 2 auto *const data = reinterpret_cast(&instr); while(!this->core.should_stop() && !(is_count_limit_enabled(cond) && icount >= icount_limit)){ if(fetch_ins(pc, data)!=iss::Ok){ this->do_sync(POST_SYNC, std::numeric_limits::max()); pc.val = super::core.enter_trap(std::numeric_limits::max(), pc.val, 0); } else { if (is_jump_to_self_enabled(cond) && (instr == 0x0000006f || (instr&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0' auto inst_id = decode_instr(root, instr); // pre execution stuff this->core.reg.last_branch = 0; if(this->sync_exec && PRE_SYNC) this->do_sync(PRE_SYNC, static_cast(inst_id)); try{ switch(inst_id){ case arch::traits::opcode_e::LUI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint32_t imm = ((bit_sub<12,20>(instr) << 12)); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm:#05x}", fmt::arg("mnemonic", "lui"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)((int32_t)imm); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::AUIPC: { uint8_t rd = ((bit_sub<7,5>(instr))); uint32_t imm = ((bit_sub<12,20>(instr) << 12)); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm:#08x}", fmt::arg("mnemonic", "auipc"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*PC + (int32_t)imm); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::JAL: { uint8_t rd = ((bit_sub<7,5>(instr))); uint32_t imm = ((bit_sub<12,8>(instr) << 12) | (bit_sub<20,1>(instr) << 11) | (bit_sub<21,10>(instr) << 1) | (bit_sub<31,1>(instr) << 20)); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm:#0x}", fmt::arg("mnemonic", "jal"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*PC + 4); } *NEXT_PC = (uint32_t)(*PC + (int32_t)sext<21>(imm)); this->core.reg.last_branch = 1; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::JALR: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm:#0x}", fmt::arg("mnemonic", "jalr"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t addr_mask = (uint32_t)- 2; uint32_t new_pc = (uint32_t)((*(X+rs1) + (int16_t)sext<12>(imm)) & addr_mask); if(new_pc % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*PC + 4); } *NEXT_PC = new_pc; this->core.reg.last_branch = 1; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BEQ: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "beq"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(*(X+rs1) == *(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BNE: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "bne"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(*(X+rs1) != *(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BLT: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "blt"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if((int32_t)*(X+rs1) < (int32_t)*(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BGE: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "bge"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if((int32_t)*(X+rs1) >= (int32_t)*(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BLTU: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "bltu"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(*(X+rs1) < *(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::BGEU: { uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rs2}, {imm:#0x}", fmt::arg("mnemonic", "bgeu"), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(*(X+rs1) >= *(X+rs2)) { if(imm % traits::INSTR_ALIGNMENT) { raise(0, 0); } else { *NEXT_PC = (uint32_t)(*PC + (int16_t)sext<13>(imm)); this->core.reg.last_branch = 1; } } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::LB: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm}({rs1})", fmt::arg("mnemonic", "lb"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); int8_t res_23 = super::template read_mem(traits::MEM, load_address); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); int8_t res = (int8_t)res_23; if(rd != 0) { *(X+rd) = (uint32_t)res; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::LH: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm}({rs1})", fmt::arg("mnemonic", "lh"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); int16_t res_24 = super::template read_mem(traits::MEM, load_address); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); int16_t res = (int16_t)res_24; if(rd != 0) { *(X+rd) = (uint32_t)res; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::LW: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm}({rs1})", fmt::arg("mnemonic", "lw"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); int32_t res_25 = super::template read_mem(traits::MEM, load_address); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); int32_t res = (int32_t)res_25; if(rd != 0) { *(X+rd) = (uint32_t)res; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::LBU: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm}({rs1})", fmt::arg("mnemonic", "lbu"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); uint8_t res_26 = super::template read_mem(traits::MEM, load_address); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint8_t res = res_26; if(rd != 0) { *(X+rd) = (uint32_t)res; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::LHU: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {imm}({rs1})", fmt::arg("mnemonic", "lhu"), fmt::arg("rd", name(rd)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); uint16_t res_27 = super::template read_mem(traits::MEM, load_address); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint16_t res = res_27; if(rd != 0) { *(X+rd) = (uint32_t)res; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SB: { uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs2}, {imm}({rs1})", fmt::arg("mnemonic", "sb"), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); super::template write_mem(traits::MEM, store_address, (uint8_t)*(X+rs2)); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SH: { uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs2}, {imm}({rs1})", fmt::arg("mnemonic", "sh"), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); super::template write_mem(traits::MEM, store_address, (uint16_t)*(X+rs2)); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SW: { uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5)); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs2}, {imm}({rs1})", fmt::arg("mnemonic", "sw"), fmt::arg("rs2", name(rs2)), fmt::arg("imm", imm), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rs2 >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); super::template write_mem(traits::MEM, store_address, (uint32_t)*(X+rs2)); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::ADDI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "addi"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLTI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "slti"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = ((int32_t)*(X+rs1) < (int16_t)sext<12>(imm))? 1 : 0; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLTIU: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "sltiu"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (*(X+rs1) < (uint32_t)((int16_t)sext<12>(imm)))? 1 : 0; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::XORI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "xori"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) ^ (uint32_t)((int16_t)sext<12>(imm)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::ORI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "ori"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) | (uint32_t)((int16_t)sext<12>(imm)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::ANDI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {imm}", fmt::arg("mnemonic", "andi"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) & (uint32_t)((int16_t)sext<12>(imm)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLLI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t shamt = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {shamt}", fmt::arg("mnemonic", "slli"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("shamt", shamt)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) << shamt; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SRLI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t shamt = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {shamt}", fmt::arg("mnemonic", "srli"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("shamt", shamt)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) >> shamt; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SRAI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t shamt = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {shamt}", fmt::arg("mnemonic", "srai"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("shamt", shamt)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)((int32_t)*(X+rs1) >> shamt); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::ADD: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "add"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*(X+rs1) + *(X+rs2)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SUB: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "sub"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)(*(X+rs1) - *(X+rs2)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLL: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "sll"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) << (*(X+rs2) & (traits::XLEN - 1)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLT: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "slt"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (int32_t)*(X+rs1) < (int32_t)*(X+rs2)? 1 : 0; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SLTU: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "sltu"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) < *(X+rs2)? 1 : 0; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::XOR: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "xor"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) ^ *(X+rs2); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SRL: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "srl"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) >> (*(X+rs2) & (traits::XLEN - 1)); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::SRA: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "sra"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = (uint32_t)((int32_t)*(X+rs1) >> (*(X+rs2) & (traits::XLEN - 1))); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::OR: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "or"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) | *(X+rs2); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::AND: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t rs2 = ((bit_sub<20,5>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {rs1}, {rs2}", fmt::arg("mnemonic", "and"), fmt::arg("rd", name(rd)), fmt::arg("rs1", name(rs1)), fmt::arg("rs2", name(rs2))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS || rs2 >= traits::RFS) { raise(0, 2); } else { if(rd != 0) { *(X+rd) = *(X+rs1) & *(X+rs2); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::FENCE: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint8_t succ = ((bit_sub<20,4>(instr))); uint8_t pred = ((bit_sub<24,4>(instr))); uint8_t fm = ((bit_sub<28,4>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {pred}, {succ} ({fm} , {rs1}, {rd})", fmt::arg("mnemonic", "fence"), fmt::arg("pred", pred), fmt::arg("succ", succ), fmt::arg("fm", fm), fmt::arg("rs1", name(rs1)), fmt::arg("rd", name(rd))); this->core.disass_output(pc.val, mnemonic); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { super::template write_mem(traits::FENCE, traits::fence, (uint8_t)pred << 4 | succ); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::ECALL: { if(this->disass_enabled){ /* generate console output when executing the command */ this->core.disass_output(pc.val, "ecall"); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { raise(0, 11); } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::EBREAK: { if(this->disass_enabled){ /* generate console output when executing the command */ this->core.disass_output(pc.val, "ebreak"); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { raise(0, 3); } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::MRET: { if(this->disass_enabled){ /* generate console output when executing the command */ this->core.disass_output(pc.val, "mret"); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { leave(3); } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::WFI: { if(this->disass_enabled){ /* generate console output when executing the command */ this->core.disass_output(pc.val, "wfi"); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { wait(1); } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRW: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {rs1}", fmt::arg("mnemonic", "csrrw"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t xrs1 = *(X+rs1); if(rd != 0) { uint32_t res_28 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_28; super::template write_mem(traits::CSR, csr, xrs1); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); *(X+rd) = xrd; } else { super::template write_mem(traits::CSR, csr, xrs1); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRS: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {rs1}", fmt::arg("mnemonic", "csrrs"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t res_29 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_29; uint32_t xrs1 = *(X+rs1); if(rs1 != 0) { super::template write_mem(traits::CSR, csr, xrd | xrs1); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } if(rd != 0) { *(X+rd) = xrd; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRC: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {rs1}", fmt::arg("mnemonic", "csrrc"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("rs1", name(rs1))); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS || rs1 >= traits::RFS) { raise(0, 2); } else { uint32_t res_30 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_30; uint32_t xrs1 = *(X+rs1); if(rs1 != 0) { super::template write_mem(traits::CSR, csr, xrd & ~ xrs1); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } if(rd != 0) { *(X+rd) = xrd; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRWI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t zimm = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {zimm:#0x}", fmt::arg("mnemonic", "csrrwi"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("zimm", zimm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { uint32_t res_31 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_31; super::template write_mem(traits::CSR, csr, (uint32_t)zimm); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); if(rd != 0) { *(X+rd) = xrd; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRSI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t zimm = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {zimm:#0x}", fmt::arg("mnemonic", "csrrsi"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("zimm", zimm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { uint32_t res_32 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_32; if(zimm != 0) { super::template write_mem(traits::CSR, csr, xrd | (uint32_t)zimm); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } if(rd != 0) { *(X+rd) = xrd; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::CSRRCI: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t zimm = ((bit_sub<15,5>(instr))); uint16_t csr = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rd}, {csr}, {zimm:#0x}", fmt::arg("mnemonic", "csrrci"), fmt::arg("rd", name(rd)), fmt::arg("csr", csr), fmt::arg("zimm", zimm)); this->core.disass_output(pc.val, mnemonic); } // used registers auto* X = reinterpret_cast(this->regs_base_ptr+arch::traits::reg_byte_offsets[arch::traits::X0]);// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { if(rd >= traits::RFS) { raise(0, 2); } else { uint32_t res_33 = super::template read_mem(traits::CSR, csr); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); uint32_t xrd = res_33; if(zimm != 0) { super::template write_mem(traits::CSR, csr, xrd & ~ ((uint32_t)zimm)); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } if(rd != 0) { *(X+rd) = xrd; } } } break; }// @suppress("No break at end of case") case arch::traits::opcode_e::FENCE_I: { uint8_t rd = ((bit_sub<7,5>(instr))); uint8_t rs1 = ((bit_sub<15,5>(instr))); uint16_t imm = ((bit_sub<20,12>(instr))); if(this->disass_enabled){ /* generate console output when executing the command */ auto mnemonic = fmt::format( "{mnemonic:10} {rs1}, {rd}, {imm}", fmt::arg("mnemonic", "fence_i"), fmt::arg("rs1", name(rs1)), fmt::arg("rd", name(rd)), fmt::arg("imm", imm)); this->core.disass_output(pc.val, mnemonic); } // used registers// calculate next pc value *NEXT_PC = *PC + 4; // execute instruction { super::template write_mem(traits::FENCE, traits::fencei, imm); if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception(); } break; }// @suppress("No break at end of case") default: { *NEXT_PC = *PC + ((instr & 3) == 3 ? 4 : 2); raise(0, 2); } } }catch(memory_access_exception& e){} // post execution stuff process_spawn_blocks(); if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, static_cast(inst_id)); // if(!this->core.reg.trap_state) // update trap state if there is a pending interrupt // this->core.reg.trap_state = this->core.reg.pending_trap; // trap check if(trap_state!=0){ super::core.enter_trap(trap_state, pc.val, instr); } else { icount++; instret++; } cycle++; pc.val=*NEXT_PC; this->core.reg.PC = this->core.reg.NEXT_PC; this->core.reg.trap_state = this->core.reg.pending_trap; } } return pc; } } // namespace tgc5a template <> std::unique_ptr create(arch::tgc5a *core, unsigned short port, bool dump) { auto ret = new tgc5a::vm_impl(*core, dump); if (port != 0) debugger::server::run_server(ret, port); return std::unique_ptr(ret); } } // namespace interp } // namespace iss #include #include #include namespace iss { namespace { volatile std::array dummy = { core_factory::instance().register_creator("tgc5a|m_p|interp", [](unsigned port, void*) -> std::tuple{ auto* cpu = new iss::arch::riscv_hart_m_p(); auto vm = new interp::tgc5a::vm_impl(*cpu, false); if (port != 0) debugger::server::run_server(vm, port); return {cpu_ptr{cpu}, vm_ptr{vm}}; }), core_factory::instance().register_creator("tgc5a|mu_p|interp", [](unsigned port, void*) -> std::tuple{ auto* cpu = new iss::arch::riscv_hart_mu_p(); auto vm = new interp::tgc5a::vm_impl(*cpu, false); if (port != 0) debugger::server::run_server(vm, port); return {cpu_ptr{cpu}, vm_ptr{vm}}; }) }; } } // clang-format on