First pass at getting Acadia running under bochs.

- Create a bochs build script.
- Properly configure COM1

scripts/build_image.sh

@@ -1,7 +1,11 @@
-#!/us
+#! /bin/bash
 
 set -e
 
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+REPO_ROOT="$SCRIPT_DIR/.."
+BUILD_DIR="$REPO_ROOT/builddbg"
+
 if [[ $# -ne 1 ]]; then
   echo "Must specify disk image name."
 fi
@@ -15,11 +19,14 @@ if [ -z "$dev" ]; then
 fi
 echo "Loopback device: ${dev}"
 
+EFI_DIR="$BUILD_DIR/efi"
+SYSROOT="$BUILD_DIR/sysroot"
+
 cleanup() {
-  umount efi
-  rm -rf efi
-  umount sysroot
-  rm -rf sysroot
+  umount $EFI_DIR
+  rm -rf $EFI_DIR
+  umount $SYSROOT
+  rm -rf $SYSROOT
   losetup -d $dev
 }
 trap cleanup EXIT
@@ -30,22 +37,23 @@ mke2fs "${dev}p2"
 
 limine bios-install "${dev}"
 
-mkdir -p efi/
-mount "${dev}p1" efi/
 
-mkdir -p efi/EFI/BOOT
-cp /usr/share/limine/BOOTX64.EFI efi/EFI/BOOT
-cp /usr/share/limine/limine-bios.sys efi/
-cp ../zion/boot/limine.conf efi/
-cp zion/zion efi/
-mkdir -p efi/sys
-cp ../sysroot/bin/yellowstone efi/sys/yellowstone
-cp ../sysroot/bin/denali efi/sys/denali
-cp ../sysroot/bin/victoriafalls efi/sys/victoriafalls
+mkdir -p $EFI_DIR
+mount "${dev}p1" $EFI_DIR
 
-mkdir -p sysroot
-mount "${dev}p2" sysroot/
-rsync -a ../sysroot .
-ls sysroot/
+mkdir -p $EFI_DIR/EFI/BOOT
+cp /usr/share/limine/BOOTX64.EFI $EFI_DIR/EFI/BOOT
+cp /usr/share/limine/limine-bios.sys $EFI_DIR
+cp $REPO_ROOT/zion/boot/limine.conf $EFI_DIR/
+cp $BUILD_DIR/zion/zion $EFI_DIR/
+mkdir -p $EFI_DIR/sys
+cp $REPO_ROOT/sysroot/bin/yellowstone $EFI_DIR/sys/yellowstone
+cp $REPO_ROOT/sysroot/bin/denali $EFI_DIR/sys/denali
+cp $REPO_ROOT/sysroot/bin/victoriafalls $EFI_DIR/sys/victoriafalls
+
+mkdir -p $SYSROOT
+mount "${dev}p2" $SYSROOT
+rsync -a "$REPO_ROOT/sysroot" $BUILD_DIR
+ls $SYSROOT
 
 chown drew:drew $1