From 50d8bd2f17cf7e4fb1b876542bbf87713a93451e Mon Sep 17 00:00:00 2001
From: Levent Kaya <levent.kaya@codefirst.io>
Date: Tue, 26 Nov 2024 16:43:12 +0300
Subject: [build] test in tinycore

---
 fbgl_qemu_test_env.sh | 96 +++++++++++++++++++++++++--------------------------
 1 file changed, 47 insertions(+), 49 deletions(-)

(limited to 'fbgl_qemu_test_env.sh')

diff --git a/fbgl_qemu_test_env.sh b/fbgl_qemu_test_env.sh
index 9957e1a..2b4a8a0 100644
--- a/fbgl_qemu_test_env.sh
+++ b/fbgl_qemu_test_env.sh
@@ -1,13 +1,24 @@
 #!/bin/bash
 
 # Variables
-BUSYBOX_VERSION="1.36.0"               # BusyBox version to download
-PRECOMPILED_KERNEL="https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.5.9.tar.xz"
-BUSYBOX_DIR="busybox_root"             # Directory for BusyBox root filesystem
-BINARY="fbgl_test"                     # Precompiled binary
-BUSYBOX_IMAGE="busybox.img"            # Image file for BusyBox environment
-TARGET_DIR="/mnt/root"                 # Mount point for the BusyBox image
-KERNEL_FILE="vmlinuz"                  # Precompiled kernel file
+TINYCORE_URL="http://tinycorelinux.net/14.x/x86/release/TinyCore-current.iso"  # TinyCore ISO URL
+ISO_FILE="TinyCore.iso"                 # Local TinyCore ISO file
+DISK_IMAGE="tinycore_test.img"          # Disk image for TinyCore
+DISK_SIZE="128M"                        # Size of the disk image
+MOUNT_DIR="mnt_tinycore"                # Mount point for the disk image
+
+# Ensure a binary is provided as an argument
+if [ -z "$1" ]; then
+    echo "Usage: $0 <path_to_precompiled_binary>"
+    exit 1
+fi
+BINARY="$1"
+
+# Ensure the binary exists
+if [ ! -f "$BINARY" ]; then
+    echo "Error: Precompiled binary '$BINARY' not found."
+    exit 1
+fi
 
 # Ensure dependencies are installed
 REQUIRED_TOOLS=("wget" "qemu-system-x86_64" "dd" "mkfs.ext4" "mount" "losetup")
@@ -18,53 +29,40 @@ for tool in "${REQUIRED_TOOLS[@]}"; do
     fi
 done
 
-# Step 1: Download and Build BusyBox
-echo "Setting up BusyBox environment..."
-if [ ! -d "busybox-${BUSYBOX_VERSION}" ]; then
-    wget https://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
-    tar -xf busybox-${BUSYBOX_VERSION}.tar.bz2
+# Step 1: Download TinyCore Linux ISO
+if [ ! -f "$ISO_FILE" ]; then
+    echo "Downloading TinyCore Linux ISO..."
+    wget -O $ISO_FILE $TINYCORE_URL
 fi
-cd busybox-${BUSYBOX_VERSION}
-make defconfig
-sed -i 's/# CONFIG_STATIC/CONFIG_STATIC=y/' .config  # Enable static binary
-make -j$(nproc) install CONFIG_PREFIX=../$BUSYBOX_DIR
-cd ..
 
-# Step 2: Set Up BusyBox Root Filesystem
-echo "Creating BusyBox root filesystem..."
-mkdir -p $BUSYBOX_DIR/{dev,proc,sys,root}
-sudo mknod -m 666 $BUSYBOX_DIR/dev/console c 5 1
-sudo mknod -m 666 $BUSYBOX_DIR/dev/null c 1 3
-echo "#!/bin/sh
-mount -t proc none /proc
-mount -t sysfs none /sys
-exec /bin/sh" > $BUSYBOX_DIR/init
-chmod +x $BUSYBOX_DIR/init
+# Step 2: Create a Disk Image
+echo "Creating disk image..."
+dd if=/dev/zero of=$DISK_IMAGE bs=1M count=${DISK_SIZE/M/}
+mkfs.ext4 $DISK_IMAGE
 
-# Step 3: Create and Format Disk Image
-echo "Creating and formatting disk image..."
-dd if=/dev/zero of=$BUSYBOX_IMAGE bs=1M count=64
-mkfs.ext4 $BUSYBOX_IMAGE
-sudo mount -o loop $BUSYBOX_IMAGE $TARGET_DIR
-sudo cp -r $BUSYBOX_DIR/* $TARGET_DIR/
-sudo umount $TARGET_DIR
+# Step 3: Mount and Prepare Disk Image
+echo "Mounting disk image..."
+mkdir -p $MOUNT_DIR
+sudo mount -o loop $DISK_IMAGE $MOUNT_DIR
 
-# Step 4: Download Precompiled Kernel
-if [ ! -f "$KERNEL_FILE" ]; then
-    echo "Downloading precompiled kernel..."
-    wget -O $KERNEL_FILE $PRECOMPILED_KERNEL
-fi
+echo "Preparing disk image for TinyCore Linux..."
+sudo mkdir -p $MOUNT_DIR/tce
+sudo cp $ISO_FILE $MOUNT_DIR/
+
+# Step 4: Add Precompiled Binary
+echo "Adding precompiled binary '$BINARY'..."
+sudo cp "$BINARY" $MOUNT_DIR/
 
-# Step 5: Transfer Precompiled Binary to BusyBox
-echo "Transferring binary to BusyBox..."
-sudo mount -o loop $BUSYBOX_IMAGE $TARGET_DIR
-sudo cp $BINARY $TARGET_DIR/bin/
-sudo umount $TARGET_DIR
+# Step 5: Unmount Disk Image
+echo "Unmounting disk image..."
+sudo umount $MOUNT_DIR
+rmdir $MOUNT_DIR
 
-# Step 6: Boot with QEMU
-echo "Booting BusyBox with QEMU..."
+# Step 6: Boot TinyCore Linux in QEMU
+echo "Booting TinyCore Linux with QEMU..."
 qemu-system-x86_64 \
-    -kernel $KERNEL_FILE \
-    -append "root=/dev/sda console=ttyS0 init=/init" \
-    -hda $BUSYBOX_IMAGE \
+    -cdrom $ISO_FILE \
+    -hda $DISK_IMAGE \
+    -m 512M \
+    -boot d \
     -nographic
-- 
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