> compile NEMU
ysyx_22040000 李心杨 Linux calcite 6.1.71 #1-NixOS SMP PREEMPT_DYNAMIC Fri Jan 5 14:18:41 UTC 2024 x86_64 GNU/Linux 11:18:05 up 0:12, 2 users, load average: 0.53, 0.27, 0.14
This commit is contained in:
tracer-ysyx
parent
f5a7ed17f6
commit
c70ced4738
7 changed files with 5 additions and 214 deletions
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@ -1,74 +0,0 @@
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#
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# Automatically generated file; DO NOT EDIT.
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# NEMU Configuration Menu
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#
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# CONFIG_ISA_x86 is not set
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# CONFIG_ISA_mips32 is not set
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CONFIG_ISA_riscv=y
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# CONFIG_ISA_loongarch32r is not set
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CONFIG_ISA="riscv32"
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#
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# ISA-dependent Options for riscv
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#
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# CONFIG_RV64 is not set
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# CONFIG_RVE is not set
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# end of ISA-dependent Options for riscv
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CONFIG_ENGINE_INTERPRETER=y
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CONFIG_ENGINE="interpreter"
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CONFIG_MODE_SYSTEM=y
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CONFIG_TARGET_NATIVE_ELF=y
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# CONFIG_TARGET_SHARE is not set
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# CONFIG_TARGET_AM is not set
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#
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# Build Options
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#
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CONFIG_CC_GCC=y
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# CONFIG_CC_GPP is not set
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# CONFIG_CC_CLANG is not set
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CONFIG_CC="gcc"
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# CONFIG_CC_O0 is not set
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# CONFIG_CC_O1 is not set
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CONFIG_CC_O2=y
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# CONFIG_CC_O3 is not set
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CONFIG_CC_OPT="-O2"
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# CONFIG_CC_LTO is not set
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# CONFIG_CC_DEBUG is not set
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# CONFIG_CC_ASAN is not set
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# end of Build Options
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#
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# Testing and Debugging
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#
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CONFIG_TRACE=y
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CONFIG_TRACE_START=0
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CONFIG_TRACE_END=10000
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CONFIG_ITRACE=y
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CONFIG_ITRACE_COND="true"
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# CONFIG_DIFFTEST is not set
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CONFIG_DIFFTEST_REF_PATH="none"
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CONFIG_DIFFTEST_REF_NAME="none"
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# end of Testing and Debugging
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#
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# Memory Configuration
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#
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CONFIG_MBASE=0x80000000
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CONFIG_MSIZE=0x8000000
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CONFIG_PC_RESET_OFFSET=0
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# CONFIG_PMEM_MALLOC is not set
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CONFIG_PMEM_GARRAY=y
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CONFIG_MEM_RANDOM=y
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# end of Memory Configuration
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# CONFIG_DEVICE is not set
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#
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# Miscellaneous
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#
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CONFIG_TIMER_GETTIMEOFDAY=y
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# CONFIG_TIMER_CLOCK_GETTIME is not set
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CONFIG_RT_CHECK=y
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# end of Miscellaneous
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1
nemu/.gitignore
vendored
1
nemu/.gitignore
vendored
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@ -5,6 +5,7 @@ build/
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.cache/
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.direnv/
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.config
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.config.old
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.envrc
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compile_commands.json
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@ -1,3 +1,6 @@
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%code requires {
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#include <common.h>
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}
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%{
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#include <stdio.h>
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#include <stdlib.h>
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@ -10,7 +13,7 @@
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%token NUMBER HEX_NUMBER
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%start input
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%define api.value.type { uint32_t }
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%define api.value.type { word_t }
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%parse-param { uint32_t *result }
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%left '-' '+'
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%left '*' '/'
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@ -1,129 +0,0 @@
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/***************************************************************************************
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* Copyright (c) 2014-2022 Zihao Yu, Nanjing University
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*
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* NEMU is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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*
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* See the Mulan PSL v2 for more details.
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***************************************************************************************/
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#include <isa.h>
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/* We use the POSIX regex functions to process regular expressions.
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* Type 'man regex' for more information about POSIX regex functions.
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*/
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#include <regex.h>
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enum {
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TK_NOTYPE = 256, TK_EQ, TK_NUMBER,
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LEX_GROUP_OPERATOR, LEX_GROUP_DIGIT
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};
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static struct rule {
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const char *regex;
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int token_type;
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} rules[] = {
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{"[ \t]+", TK_NOTYPE},
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{"==", TK_EQ},
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{"[0-9]+", LEX_GROUP_DIGIT},
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{"[\\+-*/()", LEX_GROUP_OPERATOR},
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};
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#define NR_REGEX ARRLEN(rules)
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static regex_t re[NR_REGEX] = {};
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/* Rules are used for many times.
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* Therefore we compile them only once before any usage.
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*/
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void init_regex() {
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int i;
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char error_msg[128];
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int ret;
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for (i = 0; i < NR_REGEX; i ++) {
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ret = regcomp(&re[i], rules[i].regex, REG_EXTENDED);
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if (ret != 0) {
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regerror(ret, &re[i], error_msg, 128);
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panic("regex compilation failed: %s\n%s", error_msg, rules[i].regex);
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}
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}
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}
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typedef struct token {
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int type;
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char str[32];
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} Token;
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static Token tokens[32] __attribute__((used)) = {};
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static int nr_token __attribute__((used)) = 0;
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static bool make_token(char *e) {
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int position = 0;
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int i;
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regmatch_t pmatch;
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nr_token = 0;
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while (e[position] != '\0') {
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/* Try all rules one by one. */
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for (i = 0; i < NR_REGEX; i ++) {
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if (regexec(&re[i], e + position, 1, &pmatch, 0) == 0 && pmatch.rm_so == 0) {
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char *substr_start = e + position;
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int substr_len = pmatch.rm_eo;
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Log("match rules[%d] = \"%s\" at position %d with len %d: %.*s",
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i, rules[i].regex, position, substr_len, substr_len, substr_start);
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position += substr_len;
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/* TODO: Now a new token is recognized with rules[i]. Add codes
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* to record the token in the array `tokens'. For certain types
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* of tokens, some extra actions should be performed.
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*/
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switch (rules[i].token_type) {
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case LEX_GROUP_OPERATOR:
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tokens[nr_token].type = *substr_start;
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tokens[nr_token].str[0] = '\0';
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nr_token++;
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break;
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case LEX_GROUP_DIGIT:
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tokens[nr_token].type = TK_NUMBER;
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nr_token++;
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break;
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case TK_NOTYPE: break;
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default: TODO();
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}
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break;
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}
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}
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if (i == NR_REGEX) {
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printf("no match at position %d\n%s\n%*.s^\n", position, e, position, "");
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return false;
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}
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}
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return true;
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}
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word_t expr(char *e, bool *success) {
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if (!make_token(e)) {
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*success = false;
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return 0;
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}
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/* TODO: Insert codes to evaluate the expression. */
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TODO();
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return 0;
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}
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#include <common.h>
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word_t expr(char *e, bool *success);
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#endif
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BIN
nemu/test
BIN
nemu/test
Binary file not shown.
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#include <stdio.h>
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#include <stdint.h>
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int main() {
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uint32_t result = (0xdU) * (31U / ((((0x45U)) - 75U)) * (0x41U) + 53U / (0xaU) - (0x50U));
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printf("%u", result);
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return 0;
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}
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