phunix/releasetools/x86_ramimage.sh
Jean-Baptiste Boric a7a79fa1f5 Boot-to-ramdisk image generation scripts
Scripts for generating boot-to-ramdisk images are now available. These
can be used for example to boot from PXE or from a USB stick, as the
ramdisk are self-contained and do not rely on any block devices after
being loaded into RAM.

The image generation framework has also been slightly cleaned up in
order to better accomodate tarball sets bundling in images.

Change-Id: I65a176832bd0d6954b430fa8305f90af0bd606c1
2016-03-21 21:01:20 +01:00

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#!/usr/bin/env bash
set -e
#
# This script creates a bootable image and should at some point in the future
# be replaced by the proper NetBSD infrastructure.
#
: ${ARCH=i386}
: ${OBJ=../obj.${ARCH}}
: ${TOOLCHAIN_TRIPLET=i586-elf32-minix-}
: ${BUILDSH=build.sh}
: ${SETS="minix-base"}
if [ ! -f ${BUILDSH} ]
then
echo "Please invoke me from the root source dir, where ${BUILDSH} is."
exit 1
fi
#: ${RAMDISK_SIZE=$(( 200*(2**20) ))}
# set up disk creation environment
. releasetools/image.defaults
. releasetools/image.functions
# where the kernel & boot modules will be
MODDIR=${DESTDIR}/boot/minix/.temp
echo "Building work directory..."
build_workdir "$SETS"
echo "Adding extra files..."
workdir_add_ramdisk_files
# set correct message of the day (log in and install tip)
cp releasetools/release/ramdisk/etc/issue ${ROOT_DIR}/etc/issue
add_file_spec "etc/issue" extra.cdfiles
echo "Bundling packages..."
bundle_packages "$BUNDLE_PACKAGES"
echo "Creating specification files..."
create_input_spec
create_protos
echo "Writing ramdisk image..."
# add the other modules for boot
cp ${MODDIR}/* ${WORK_DIR}
create_ramdisk_image ${RAMDISK_SIZE}
echo ""
echo "RAM image modules at ${WORK_DIR}"
echo ""
echo "To boot this image on kvm:"
echo "cd ${WORK_DIR} && qemu-system-i386 --enable-kvm -m 1G -kernel kernel -append \"bootramdisk=1\" -initrd \"${mods}\""