Files
s390-tools/netboot/Makefile.pxelinux.0
2020-12-15 11:10:50 +01:00

47 lines
1.3 KiB
Makefile

# Sample Makefile to produce a pxe-style netboot image
# matching the currently active kernel.
# If the image is to be build for a different kernel version
# the KERNEL_VERSION variable must be overridden
# To use a local busybox installation, change BBINSTALL
# to point to the local busybox install path
ifeq ("$(KERNEL_VERSION)","")
KERNEL_VERSION=$(shell uname -r)
endif
export KERNEL_VERSION
filetype=$(shell file $1 | grep "Linux S390")
s390_check=$(if $(call filetype,$1), $1)
prefixes=image vmlinux vmlinuz
kernel_images=$(foreach prefix, $(prefixes), \
$(call s390_check,/boot/$(prefix)-$(KERNEL_VERSION)))
KERNEL_IMAGE=$(firstword $(kernel_images))
ifeq ($(KERNEL_IMAGE),)
$(error Could not find a kernel image under /boot)
endif
BUSYBOX=busybox-1.32.0
BBINSTALL=$(BUSYBOX)/_install
all: $(KERNEL_IMAGE) pxelinux.initramfs
/bin/bash mk-s390image $(KERNEL_IMAGE) pxelinux.0 -r pxelinux.initramfs
pxelinux.initramfs: $(BBINSTALL)
/bin/bash mk-pxelinux-ramfs -b $< -k $(KERNEL_VERSION) $@
$(BUSYBOX)/_install:
wget https://busybox.net/downloads/$(BUSYBOX).tar.bz2
tar xjf $(BUSYBOX).tar.bz2
$(MAKE) -C $(BUSYBOX) defconfig
$(MAKE) -C $(BUSYBOX) install
install:
clean:
$(RM) pxelinux.0 pxelinux.initramfs $(BUSYBOX).tar.bz2
$(RM) -r $(BUSYBOX)
.PHONY: all install clean