From baacedcc858d8d4857282cc7fb1881a11048a5bc Mon Sep 17 00:00:00 2001 From: bd Date: Tue, 22 Apr 2025 20:55:05 -0400 Subject: Remove subfolders --- src/sim/ex.cc | 452 ---------------------------------------------------------- 1 file changed, 452 deletions(-) delete mode 100644 src/sim/ex.cc (limited to 'src/sim/ex.cc') diff --git a/src/sim/ex.cc b/src/sim/ex.cc deleted file mode 100644 index 117002c..0000000 --- a/src/sim/ex.cc +++ /dev/null @@ -1,452 +0,0 @@ -// Simulator for the RISC-V[ECTOR] mini-ISA -// Copyright (C) 2025 Siddarth Suresh -// Copyright (C) 2025 bdunahu - -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. - -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// You should have received a copy of the GNU General Public License -// along with this program. If not, see . - -#include "ex.h" -#include "instrDTO.h" -#include "pipe_spec.h" -#include "response.h" -#include "stage.h" -#include - -// clang-format off -#define INIT_INSTRUCTION(mnemonic, body) \ - {mnemonic, [this](signed int &s1, signed int s2, signed int s3, unsigned int pc) { \ - body; \ - }} -// clang-format on - -EX::EX(Stage *stage) : Stage(stage) -{ - instr_map = { - - /* R type instructions */ - INIT_INSTRUCTION( - ADD, - { - this->set_condition(OF, ADDITION_OF_GUARD(s1, s2)); - this->set_condition(UF, ADDITION_UF_GUARD(s1, s2)); - s1 = s1 + s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - SUB, - { - this->set_condition(OF, SUBTRACTION_OF_GUARD(s1, s2)); - this->set_condition(UF, SUBTRACTION_UF_GUARD(s1, s2)); - s1 = s1 - s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - MUL, - { - this->set_condition(OF, MULTIPLICATION_OF_GUARD(s1, s2)); - this->set_condition(UF, MULTIPLICATION_UF_GUARD(s1, s2)); - s1 = s1 * s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - QUOT, - { - this->handle_divide(s1, s2, false); - (void)pc; - (void)s3; - }), - - INIT_INSTRUCTION( - REM, - { - this->handle_divide(s1, s2, true); - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - SFTR, - { - s1 = s1 >> s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - SFTL, - { - s1 = s1 << s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - AND, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 & s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - OR, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 | s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - NOT, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = ~s1; - (void)pc; - (void)s3; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - XOR, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 ^ s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - ADDV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - INIT_INSTRUCTION( - SUBV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - INIT_INSTRUCTION( - MULV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - INIT_INSTRUCTION( - DIVV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - INIT_INSTRUCTION( - CMP, - { - (s1 > s2) ? this->set_condition(GT, true) - : this->set_condition(GT, false); - (s1 == s2) ? this->set_condition(EQ, true) - : this->set_condition(EQ, false); - (void)pc; - (void)s3; - }), - - INIT_INSTRUCTION( - CEV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - /* I type instructions */ - INIT_INSTRUCTION( - LOAD, - { - s1 = s1 + s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - LOADV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - INIT_INSTRUCTION( - ADDI, - { - this->set_condition(OF, ADDITION_OF_GUARD(s1, s3)); - this->set_condition(UF, ADDITION_UF_GUARD(s1, s3)); - s1 = s1 + s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - SUBI, - { - this->set_condition(OF, SUBTRACTION_OF_GUARD(s1, s3)); - this->set_condition(UF, SUBTRACTION_UF_GUARD(s1, s3)); - s1 = s1 - s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - SFTRI, - { - s1 = s1 >> s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - SFTLI, - { - s1 = s1 << s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - ANDI, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 & s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - ORI, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 | s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - XORI, - { - this->set_condition(OF, false); - this->set_condition(UF, false); - s1 = s1 ^ s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - STORE, - { - s1 = s1 + s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - STOREV, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - /* J type instructions */ - INIT_INSTRUCTION( - JMP, - { - s1 = s1 + s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - JRL, - { - s1 = pc + s2; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - JAL, - { - s1 = s1 + s2; - (void)pc; - (void)s3; - (void)this; - }), - - INIT_INSTRUCTION( - BEQ, - { - (this->get_condition(EQ)) ? s1 = pc + s2 : s1 = -1; - (void)s3; - }), - - INIT_INSTRUCTION( - BGT, - { - (this->get_condition(GT)) ? s1 = pc + s2 : s1 = -1; - (void)s3; - }), - - INIT_INSTRUCTION( - BUF, - { - (this->get_condition(UF)) ? s1 = pc + s2 : s1 = -1; - (void)s3; - }), - - INIT_INSTRUCTION( - BOF, - { - (this->get_condition(OF)) ? s1 = pc + s2 : s1 = -1; - (void)s3; - }), - - INIT_INSTRUCTION( - PUSH, - { - s1 = s1 + s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - POP, - { - s1 = s1 + s3; - (void)pc; - (void)s2; - (void)this; - }), - - INIT_INSTRUCTION( - RET, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - - /* NOP */ - INIT_INSTRUCTION( - NOP, - { - (void)pc; - (void)s3; - (void)s2; - (void)s1; - (void)this; - }), - }; -} - -void EX::advance_helper() -{ - signed int s1, s2, s3; - unsigned int pc; - Mnemonic m; - - m = this->curr_instr->get_mnemonic(); - s1 = this->curr_instr->get_s1(); - s2 = this->curr_instr->get_s2(); - s3 = this->curr_instr->get_s3(); - pc = this->curr_instr->get_pc(); - - this->instr_map[m](s1, s2, s3, pc); - - this->curr_instr->set_s1(s1); - this->status = OK; -} - -void EX::handle_divide(signed int &s1, signed int s2, bool is_mod) -{ - this->set_condition(OF, DIVISION_OF_GUARD(s1, s2)); - this->set_condition(UF, false); - if (s2 == 0) { - // handle everything here - this->curr_instr->set_s1(MAX_INT); - this->status = OK; - throw HaltException(); - } else if ((s1 == -(MAX_INT)-1) && s2 == -1) { - // undefined in C++ - s1 = -(MAX_INT)-1; - } else { - s1 = (is_mod) ? (s1 % s2) : (s1 / s2); - } -} -- cgit v1.2.3