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> compile NEMU

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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
 22:17:14  up 2 days 11:12,  2 users,  load average: 1.39, 0.69, 0.39
This commit is contained in:
tracer-ysyx 2024-01-15 22:17:14 +08:00 • committed by xinyangli
parent f5cdb499b8
commit c995a80ce8
7 changed files with 815 additions and 4 deletions
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12
nemu/src/isa/riscv32/reg.c
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@ -36,5 +36,15 @@ void isa_reg_display() {
}
word_t isa_reg_str2val(const char *s, bool *success) {
return 0;
assert(s);
int i;
for (i = 0; i < 32 && strcmp(s, regs[i]) != 0; i++)
;
if (i == 32) {
success = false;
return 0;
}
return gpr(i);
}

2
nemu/src/monitor/sdb/addrexp.l
View file

@ -7,7 +7,7 @@
%%
$?[a-zA-Z]{2,3} { yylval = isa_reg_str2val(yytext, &success); if(!success) { return YYerror; } }
$$?[a-zA-Z]{2,3} { yylval = isa_reg_str2val(yytext + 1, &success); if(!success) { return YYerror; } }
0[xX][0-9a-fA-F]+ { yylval = strtoul(yytext, NULL, 16); return HEX_NUMBER; }
[0-9]+ { yylval = strtoul(yytext, NULL, 10); return NUMBER; }
[+\-*/()] { return *yytext; }