Fábio Coutada
62e8454f91
- make-uefi-iso.sh: UEFI ISO image builder - test_boot.S, test_boot.ld: test boot assembly and linker script - eim_config.toml: EIM (External Interface Module) configuration - edk2-ovmf RPM for UEFI firmware - GAP_ANALYSIS_PIKEOS_PARITY.md: PikeOS parity gap analysis
108 lines
3.1 KiB
Bash
108 lines
3.1 KiB
Bash
#!/bin/bash
|
|
# UniversalisOS x86_64 — UEFI Bootable ISO Creator
|
|
#
|
|
# Creates a bootable ISO image with:
|
|
# - GRUB2 UEFI bootloader
|
|
# - Kernel ELF binary
|
|
# - UEFI application (optional)
|
|
#
|
|
# Prerequisites: grub-mkrescue, xorriso, mtools
|
|
#
|
|
# Usage: ./make-uefi-iso.sh [kernel.elf] [output.iso]
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
set -e
|
|
|
|
KERNEL="${1:-/home/fabiorafaelcoutada/portugalfuturista/universalisos/kernel/build/uos-x86_64.elf}"
|
|
OUTPUT="${2:-/tmp/uos-uefi.iso}"
|
|
WORKDIR="/tmp/uos-iso-build"
|
|
GRUB_CFG="$(dirname "$0")/src/arch/x86_64/grub-uefi.cfg"
|
|
OVMF_PATH="$(dirname "$0")/src/arch/x86_64/ovmf/OVMF.fd"
|
|
|
|
echo "=== UniversalisOS UEFI ISO Builder ==="
|
|
echo "Kernel: $KERNEL"
|
|
echo "Output: $OUTPUT"
|
|
|
|
# Check prerequisites
|
|
if ! command -v grub-mkrescue &>/dev/null; then
|
|
echo "ERROR: grub-mkrescue not found. Install grub2-common or grub2-tools."
|
|
echo " sudo dnf install grub2-tools-extra xorriso mtools"
|
|
exit 1
|
|
fi
|
|
|
|
# Check if kernel exists
|
|
if [ ! -f "$KERNEL" ]; then
|
|
echo "ERROR: Kernel not found at $KERNEL"
|
|
echo "Build first: make ARCH=x86_64 PLATFORM=qemu-x86_64-virt"
|
|
exit 1
|
|
fi
|
|
|
|
# Clean work directory
|
|
rm -rf "$WORKDIR"
|
|
mkdir -p "$WORKDIR/boot/grub"
|
|
mkdir -p "$WORKDIR/EFI/UOS"
|
|
mkdir -p "$WORKDIR/EFI/BOOT"
|
|
|
|
# Copy kernel
|
|
cp "$KERNEL" "$WORKDIR/boot/uos-x86_64.elf"
|
|
cp "$KERNEL" "$WORKDIR/EFI/UOS/kernel.elf"
|
|
|
|
# Copy GRUB config
|
|
if [ -f "$GRUB_CFG" ]; then
|
|
cp "$GRUB_CFG" "$WORKDIR/boot/grub/grub.cfg"
|
|
else
|
|
echo "WARNING: grub-uefi.cfg not found, using default"
|
|
cat > "$WORKDIR/boot/grub/grub.cfg" << 'EOF'
|
|
set default=0
|
|
set timeout=5
|
|
menuentry "UniversalisOS" {
|
|
multiboot2 /boot/uos-x86_64.elf
|
|
boot
|
|
}
|
|
EOF
|
|
fi
|
|
|
|
# Create the ISO
|
|
echo "Creating ISO image..."
|
|
grub-mkrescue -o "$OUTPUT" "$WORKDIR" 2>/dev/null || {
|
|
echo "grub-mkrescue failed, trying alternative method..."
|
|
|
|
# Alternative: create a basic ISO with the kernel
|
|
# Use xorriso directly
|
|
xorriso -as mkisofs \
|
|
-R -J -joliet-long \
|
|
-b boot/grub/i386-pc/eltorito.bin \
|
|
-no-emul-boot \
|
|
-boot-load-size 4 \
|
|
-boot-info-table \
|
|
-eltorito-alt-boot \
|
|
-e EFI/BOOT/BOOTX64.EFI \
|
|
-no-emul-boot \
|
|
-isohybrid-gpt-basdat \
|
|
-o "$OUTPUT" \
|
|
"$WORKDIR" 2>/dev/null || {
|
|
echo "WARNING: ISO creation failed. Use QEMU directly with OVMF."
|
|
echo ""
|
|
echo "Alternative QEMU commands:"
|
|
echo " # Direct multiboot (no ISO needed):"
|
|
echo " qemu-system-x86_64 -kernel $KERNEL -m 4096 -enable-kvm -cpu host -serial stdio -display none"
|
|
echo ""
|
|
echo " # With UEFI firmware (OVMF):"
|
|
echo " qemu-system-x86_64 -bios $OVMF_PATH -kernel $KERNEL -m 4096 -serial stdio -nographic"
|
|
exit 0
|
|
}
|
|
}
|
|
|
|
echo "ISO created: $OUTPUT"
|
|
echo "Size: $(du -h "$OUTPUT" | cut -f1)"
|
|
echo ""
|
|
echo "Test with:"
|
|
echo " # UEFI boot:"
|
|
echo " qemu-system-x86_64 -bios $OVMF_PATH -cdrom $OUTPUT -m 4096 -serial stdio -nographic"
|
|
echo ""
|
|
echo " # Direct kernel boot:"
|
|
echo " qemu-system-x86_64 -kernel $KERNEL -m 4096 -enable-kvm -cpu host -serial stdio -display none"
|
|
|
|
# Clean up
|
|
rm -rf "$WORKDIR"
|