From e338bdf0592bef58296fa70b13729153e6cd9d04 Mon Sep 17 00:00:00 2001
From: tracer-ysyx <tracer@ysyx.org>
Date: Thu, 11 Jan 2024 18:16:08 +0800
Subject: [PATCH] =?UTF-8?q?>=20compile=20NEMU=20ysyx=5F22040000=20?=
 =?UTF-8?q?=E6=9D=8E=E5=BF=83=E6=9D=A8=20Linux=20calcite=206.1.69=20#1-Nix?=
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---
 nemu/src/monitor/sdb/sdb.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nemu/src/monitor/sdb/sdb.c b/nemu/src/monitor/sdb/sdb.c
index 6759c3f..2ad7d10 100644
--- a/nemu/src/monitor/sdb/sdb.c
+++ b/nemu/src/monitor/sdb/sdb.c
@@ -70,11 +70,16 @@ static int cmd_si(char *args) {
         base = 16; arg = arg + 2;
       }
     }
+    if (arg[0] == '0') 
+      return 0;
     int n = strtoumax(arg, NULL, base);
     if (n == UINTMAX_MAX) {
+      printf("%s is too large\n", args);
+      return 0;
+    } else if (n == 0) {
       printf("Invalid argument for command si: %s\n", args);
       return 0;
-    } else {
+    }else {
       cpu_exec(n);
     }
   }