From 2415d5400e083680af68a36728b9407fc7b6cf54 Mon Sep 17 00:00:00 2001
From: tracer-ysyx <tracer@ysyx.org>
Date: Thu, 11 Jan 2024 20:18:53 +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?=
 =?UTF-8?q?OS=20SMP=20PREEMPT=5FDYNAMIC=20Wed=20Dec=2020=2016:00:29=20UTC?=
 =?UTF-8?q?=202023=20x86=5F64=20GNU/Linux=20=2020:18:53=20=20up=203=20days?=
 =?UTF-8?q?=2019:19,=20=202=20users,=20=20load=20average:=200.34,=200.45,?=
 =?UTF-8?q?=200.52?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 nemu/src/monitor/sdb/sdb.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/nemu/src/monitor/sdb/sdb.c b/nemu/src/monitor/sdb/sdb.c
index a2d7dcd..1ac44f8 100644
--- a/nemu/src/monitor/sdb/sdb.c
+++ b/nemu/src/monitor/sdb/sdb.c
@@ -85,7 +85,7 @@ static int cmd_q(char *args) {
  * <step>: execute <step> step
  */
 static int cmd_si(char *args) {
-  char *arg = strtok(args, " ");
+  char *arg = strtok(NULL, " ");
   if (arg == NULL) {
     cpu_exec(1);
   } else {
@@ -138,10 +138,8 @@ static int cmd_help_print(char *args, struct CMDTable* cur_cmd_table) {
   int i;
   char *arg = strtok(NULL, " ");
   if (arg == NULL) {
-    // No more subcommand
     return -1;
   } else {
-    // Find sub-command
     for (i = 0; i < cur_cmd_table->nr_subcommand; i++) {
       if (strcmp(arg, cur_cmd_table[i].name) == 0) {
         printf("%s ", cur_cmd_table[i].name);
@@ -164,14 +162,13 @@ static int cmd_help(char *args) {
   if (arg == NULL) {
     /* no argument given */
     for (i = 0; i < NR_CMD; i++) {
-      printf("%s - %s\n", cmd_table[i].name, cmd_table[i].description);
+      printf("%s -- %s\n", cmd_table[i].name, cmd_table[i].description);
     }
   } else {
     for (i = 0; i < NR_CMD; i++) {
       if (strcmp(arg, cmd_table[i].name) == 0) {
         printf("%s ", cmd_table[i].name);
         if (cmd_help_print(args, cmd_table[i].subcommand) == -1) {
-          // Last avaliable command
           printf("-- %s\n", cmd_table[i].description);
         }
         return 0;