From: acevest <zhaoyanbai@126.com>
Date: Tue, 26 Oct 2021 06:27:12 +0000 (+0800)
Subject: fix new version of grub2 can not load /boot/Kernel
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/static/doc/zpipe.c?a=commitdiff_plain;h=a8b29a72f0fa9752004004216406d56fd65ba391;p=kernel.git

fix new version of grub2 can not load /boot/Kernel
---

diff --git a/scripts/grub.cfg b/scripts/grub.cfg
index 08efd8b..fd98c0f 100644
--- a/scripts/grub.cfg
+++ b/scripts/grub.cfg
@@ -2,11 +2,10 @@ set default="0"
 
 set timeout=1
 
-insmod msdospart
-insmod ext2
-
-root=(hd0,msdos1)
-
 menuentry 'Kernel' --class os {
+    #insmod ext2
+    set root='(hd0,msdos1)'
     multiboot /boot/Kernel root=hda0 delay=2
+    #multiboot2 /boot/Kernel root=hda0 delay=2
+    boot
 }
diff --git a/scripts/init.sh b/scripts/init.sh
index bb17b97..65dc7a2 100755
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -5,67 +5,59 @@ HDIMG=out.img
 TMP=build/tmp
 MNT=$TMP/mnt
 
-dd if=/dev/zero of=$HDIMG bs=512 count=49152
 
-lodev=`losetup -f --show $HDIMG`
-
-sleep 1
+# 生成硬盘
+dd if=/dev/zero of=$HDIMG bs=512 count=24576
 
-parted ${lodev} mklabel msdos
 
+# 挂载到loop设备
+lodev=`losetup -f --show $HDIMG`
+echo "(hd0) ${lodev}" > ${TMP}/device.map
 sleep 1
 
+# 创建主分区并设置为活动分区
+parted ${lodev} mklabel msdos
 parted ${lodev} mkpart primary ext2 200k 100% -a minimal
-
-sleep 1
-
 parted ${lodev} set 1 boot on
-
 sleep 1
 
-#partx -a ${lodev}
-
-#sleep 1
-
 ls -l ${lodev}*
 
+# 在分区上创建ext2文件系统
 PART=${lodev}p1
-
-sleep 1
-
 mke2fs -b 4096 $PART
-
 sleep 1
 
-mkdir -p $MNT
 
+# 挂载文件系统
+mkdir -p $MNT
 mount $PART $MNT
-
 sleep 1
 
-echo "(hd0) ${lodev}" > ${TMP}/device.map
-
-mkdir -p ${MNT}/boot/grub2/
+# 创建目录
+mkdir -p ${MNT}/boot/grub2
+mkdir -p ${MNT}/bin/
 
-grub2-install --target=i386-pc              \
-              --grub-mkdevicemap=${TMP}/device.map                                  \
-              --modules="biosdisk part_msdos ext2 configfile normal multiboot"      \
-              --root-directory=$MNT \
+# 安装grub
+grub2-install --no-floppy \
+              --grub-mkdevicemap=${TMP}/device.map 			\
+	      --target=i386-pc              				\
+              --modules="biosdisk part_msdos ext2 configfile normal multiboot multiboot2"     \
+              --boot-directory=$MNT/boot  \
               ${lodev}
 
+# 拷贝grub配置文件
 cp grub.cfg ${MNT}/boot/grub2/
-cp ../KERNEL.BIN ${MNT}/boot/Kernel
-
-mkdir -p ${MNT}/bin/
+sleep 1
 
+# 拷贝内核文件
+cp ../KERNEL.BIN ${MNT}/boot/Kernel
 sleep 1
 
 umount $MNT
-
 sleep 1
 
 partx -d ${lodev}
-
 sleep 1
 
 losetup -d ${lodev}