A20 enable code added

1 files changed, 34 insertions, 8 deletions

diff --git a/make.sh b/make.sh
index bbddce8..c2a1019 100644..100755
--- a/make.sh
+++ b/make.sh
@@ -1,9 +1,11 @@
 #!/bin/sh 
 
-AS_BOOT=nasm -fbin
-SRC_DIR=src
-DST_DIR=dst
-IMG_FILE=disk.iso
+AS_BOOT="nasm -fbin -Isrc/boot/"
+SRC_DIR="src"
+DST_DIR="dst"
+IMG_FILE="disk.img"
+ISO_FILE="disk.iso"
+NAME="kotoriforth"
 
 clean()
 {
@@ -13,18 +15,42 @@ clean()
 
 build()
 {
-    clean()
-    $AS_BOOT $SRC_DIR/boot/boot.stage1.asm -o $DST_DIR/s1_boot.bin    
+    clean
+    mkdir -p $DST_DIR/boot
+    $AS_BOOT $SRC_DIR/boot/boot.stage1.asm -o $DST_DIR/s1_boot.bin
+    
+    dd if=/dev/zero of=$IMG_FILE bs=1M count=2
+    dd if=$DST_DIR/s1_boot.bin of=$IMG_FILE conv=notrunc bs=512 count=1
+    dd of=$DST_DIR/s2_boot.bin of=$IMG_FILE conv=notrunc bs=512 seek=1 
+    S2_SECTORS=$(($(wc -c < "$BOOT_S2") / 512))
+    dd of=$DST_DIR/kernel.bin of=$IMG_FILE conv=notrunc bs=512 $((1 + S2_SECTORS))
+    
+    xorriso -as mkisofs \
+            -b $DST_DIR/$IMG_FILE \
+            -no-emul-boot \
+            -boot-load-size 4 \
+            -boot-info-table \
+            -iso-level 3 \
+            -J \
+            -R \
+            -V "$NAME" \
+            -o $ISO_FILE \
+            $ISO_FILE
+
+    if [ -f $ISO_FILE ]; then
+        echo "Bootable ISO created"
+    fi
+    
 }
 
 run()
 {
-    qemu-system-x86_64 -cdrom $IMG_FILE
+    qemu-system-i386 -cdrom $IMG_FILE
 }
 
 debug()
 {
-    qemu-system-x86_64 -cdrom $IMG_FILE -S -s
+    qemu-system-i386 -cdrom $IMG_FILE -S -s
 }
 case $1 in
     "clean") clean ;;