From: acevest <zhaoyanbai@126.com>
Date: Thu, 28 Oct 2021 23:35:39 +0000 (+0800)
Subject: fix gdtr idtr
X-Git-Url: http://zhaoyanbai.com/repos/man.host.html?a=commitdiff_plain;h=2fb6fb536459596698f50c8da52d870ffb4d4a5b;p=kernel.git

fix gdtr idtr
---

diff --git a/.gitignore b/.gitignore
index 67abe43..d312213 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,4 @@ bin/hello
 bin/shell
 a.*
 snapshot.txt
+*.lock
diff --git a/include/system.h b/include/system.h
index c72fb0f..ea8dbf6 100644
--- a/include/system.h
+++ b/include/system.h
@@ -67,7 +67,7 @@ void    kfree(void *addr);
 
 extern char etext, edata, end;
 
-char gdtr[6],idtr[6];
+extern char gdtr[6],idtr[6];
 #define lgdt()    __asm__    __volatile__("lgdt gdtr")
 #define sgdt()    __asm__    __volatile__("sgdt gdtr")
 #define lidt()    __asm__    __volatile__("lidt idtr")
diff --git a/kernel/system.c b/kernel/system.c
index 7035db0..2579677 100644
--- a/kernel/system.c
+++ b/kernel/system.c
@@ -187,3 +187,6 @@ void system_delay()
     }
     irq_restore(flags);
 }
+
+
+char gdtr[6],idtr[6];
diff --git a/scripts/init.sh b/scripts/init.sh
index 65dc7a2..d44e3bd 100755
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -5,6 +5,8 @@ HDIMG=out.img
 TMP=build/tmp
 MNT=$TMP/mnt
 
+mkdir -p ${MNT}
+
 
 # 生成硬盘
 dd if=/dev/zero of=$HDIMG bs=512 count=24576