From d5aa08baa571d7fc2557e2dc12483ab6242cb552 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Sun, 12 Nov 2023 01:17:30 +0200
Subject: [PATCH] BuildSystem: add bootloader target

Use this target to run banan-os with custom bootloader
---
 bootloader/build-and-run.sh | 45 -------------------------------------
 bootloader/install.sh       | 35 +++++++++++++++++++++++++++++
 script/build.sh             |  6 ++++-
 3 files changed, 40 insertions(+), 46 deletions(-)
 delete mode 100755 bootloader/build-and-run.sh
 create mode 100755 bootloader/install.sh

diff --git a/bootloader/build-and-run.sh b/bootloader/build-and-run.sh
deleted file mode 100755
index f21857aa..00000000
--- a/bootloader/build-and-run.sh
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/bin/sh
-
-set -e
-
-CURRENT_DIR=$(dirname $(realpath $0))
-
-INSTALLER_DIR=$CURRENT_DIR/installer
-INSTALLER_BUILD_DIR=$INSTALLER_DIR/build
-
-BUILD_DIR=$CURRENT_DIR/build
-DISK_IMAGE_PATH=$CURRENT_DIR/test.img
-
-if ! [ -d $INSTALLER_BUILD_DIR ]; then
-	mkdir -p $INSTALLER_BUILD_DIR
-	cd $INSTALLER_BUILD_DIR
-	cmake ..
-fi
-
-cd $INSTALLER_BUILD_DIR
-make
-
-cd $CURRENT_DIR
-
-echo creating clean disk image
-truncate --size 0 $DISK_IMAGE_PATH
-truncate --size 50M $DISK_IMAGE_PATH
-echo -ne 'g\nn\n\n\n+1M\nt 1\n4\nw\n' | fdisk $DISK_IMAGE_PATH > /dev/null
-
-mkdir -p $BUILD_DIR
-
-echo compiling bootloader
-x86_64-banan_os-as arch/x86_64/boot.S -o $BUILD_DIR/bootloader.o
-
-echo linking bootloader
-x86_64-banan_os-ld -nostdlib -T arch/x86_64/linker.ld $BUILD_DIR/bootloader.o -o $BUILD_DIR/bootloader
-
-echo installing bootloader
-$INSTALLER_BUILD_DIR/x86_64-banan_os-bootloader-installer $BUILD_DIR/bootloader $DISK_IMAGE_PATH
-
-if [ "$1" == "debug" ] ; then
-	QEMU_FLAGS="-s -S"
-fi
-
-echo running qemu
-env BANAN_DISK_IMAGE_PATH=${DISK_IMAGE_PATH} BANAN_ARCH=x86_64 ../script/qemu.sh $QEMU_FLAGS
diff --git a/bootloader/install.sh b/bootloader/install.sh
new file mode 100755
index 00000000..037d4aa2
--- /dev/null
+++ b/bootloader/install.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -e
+
+if [[ -z $BANAN_DISK_IMAGE_PATH ]]; then
+	echo "You must set the BANAN_DISK_IMAGE_PATH environment variable" >&2
+	exit 1
+fi
+
+CURRENT_DIR=$(dirname $(realpath $0))
+
+INSTALLER_DIR=$CURRENT_DIR/installer
+INSTALLER_BUILD_DIR=$INSTALLER_DIR/build
+
+BUILD_DIR=$CURRENT_DIR/build
+
+if ! [ -d $INSTALLER_BUILD_DIR ]; then
+	mkdir -p $INSTALLER_BUILD_DIR
+	cd $INSTALLER_BUILD_DIR
+	cmake ..
+fi
+
+cd $INSTALLER_BUILD_DIR
+make
+
+mkdir -p $BUILD_DIR
+
+echo compiling bootloader
+x86_64-banan_os-as $CURRENT_DIR/arch/x86_64/boot.S -o $BUILD_DIR/bootloader.o
+
+echo linking bootloader
+x86_64-banan_os-ld -nostdlib -T $CURRENT_DIR/arch/x86_64/linker.ld $BUILD_DIR/bootloader.o -o $BUILD_DIR/bootloader
+
+echo installing bootloader
+$INSTALLER_BUILD_DIR/x86_64-banan_os-bootloader-installer $BUILD_DIR/bootloader $BANAN_DISK_IMAGE_PATH
diff --git a/script/build.sh b/script/build.sh
index 52642add..d51bc084 100755
--- a/script/build.sh
+++ b/script/build.sh
@@ -97,8 +97,12 @@ case $1 in
 		rm -f $FAKEROOT_FILE
 		rm -rf $BANAN_SYSROOT
 		;;
+	bootloader)
+		create_image
+		$BANAN_ROOT_DIR/bootloader/install.sh
+		$BANAN_SCRIPT_DIR/qemu.sh -serial stdio $QEMU_ACCEL
+		;;
 	*)
 		build_target $1
 		;;
 esac
-