mirror of
https://github.com/drasko/codezero.git
synced 2026-01-12 10:53:16 +01:00
115 lines
2.8 KiB
Python
115 lines
2.8 KiB
Python
#
|
|
# Build script to autogenerate and compile a container image
|
|
#
|
|
# Copyright (C) 2009 B Labs
|
|
#
|
|
import os
|
|
import sys
|
|
import shutil
|
|
from os.path import join
|
|
|
|
Import('environment')
|
|
|
|
env = environment.Clone()
|
|
|
|
linux_kernel_path = join("/opt/codezero/build/conts/linux/arch/arm/boot/compressed/vmlinux")
|
|
rootfs_path = join("rootfs/rootfs.elf")
|
|
|
|
container_assembler_body = \
|
|
'''
|
|
.align 4
|
|
.section .img.%d
|
|
.incbin "%s"
|
|
'''
|
|
|
|
container_lds_start = \
|
|
'''/*
|
|
* Autogenerated linker script that embeds each container image.
|
|
*
|
|
* Copyright (C) 2009 B Labs
|
|
*/
|
|
|
|
SECTIONS
|
|
{'''
|
|
|
|
container_lds_body = \
|
|
'''
|
|
.img.%d : { *(.img.%d) }'''
|
|
|
|
container_lds_end = \
|
|
'''
|
|
}
|
|
'''
|
|
|
|
# TODO: This might be done much more elegantly and flexibly.
|
|
#
|
|
# But it makes sense to put the image finding logic to a function
|
|
# rather than hard-code it in an array at the beginning.
|
|
def collect_images(target, source, env):
|
|
cmd1 = "cp " + linux_kernel_path + " ./"
|
|
cmd2 = "cp " + rootfs_path + " ./"
|
|
os.system(cmd1)
|
|
os.system(cmd2)
|
|
os.system("echo " + cmd1)
|
|
os.system("echo " + cmd2)
|
|
|
|
images.append("vmlinux")
|
|
images.append("rootfs.elf")
|
|
for i in images:
|
|
print i
|
|
|
|
def generate_container_assembler(source, target, env):
|
|
f = open("container.S", "w+")
|
|
file_body = ""
|
|
img_i = 0
|
|
for img in source:
|
|
file_body += container_assembler_body % (img_i, img)
|
|
img_i += 1
|
|
|
|
f.write(file_body)
|
|
f.close()
|
|
|
|
def generate_container_lds(source, target, env):
|
|
f = open("container.lds", "w+")
|
|
img_i = 0
|
|
file_body = container_lds_start
|
|
for img in source:
|
|
file_body += container_lds_body % (img_i, img_i)
|
|
img_i += 1
|
|
file_body += container_lds_end
|
|
f.write(file_body)
|
|
f.close()
|
|
|
|
linux_builddir="/opt/codezero/build/conts/linux/build"
|
|
linux_srcdir = "/opt/codezero/conts/linux/linux-2.6.28.10"
|
|
linux_image = join(linux_builddir, "arch/arm/compressed/vmlinux")
|
|
|
|
def build_linux(source, target, env):
|
|
cwd = os.getcwd()
|
|
os.chdir(source[0].path)
|
|
print target[1].path
|
|
os.system("mkdir -p " + linux_builddir)
|
|
os.system("make defconfig " + "ARCH=arm " + "O=" + linux_builddir)
|
|
os.system("make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- O=" + linux_builddir)
|
|
os.chdir(cwd)
|
|
|
|
images = []
|
|
linux_kernel = env.Command([linux_image, linux_builddir], linux_srcdir, build_linux)
|
|
|
|
#rootfs = env.Command(rootfs_path, "rootfs/rootfs.img", build_rootfs)
|
|
#env.Command(["vmlinux", "rootfs.elf"], [linux_kernel_path, rootfs_path], collect_images)
|
|
#container_S = env.Command("container.S", ["vmlinux", "rootfs.elf"], generate_container_assembler)
|
|
#container_lds = env.Command("container.lds", ["vmlinux", "rootfs.elf"], generate_container_lds)
|
|
|
|
#env.Replace(LINKFLAGS = ['-nostdlib', '-Tcontainer.lds'])
|
|
#env.Replace(PROGSUFFIX = '.elf')
|
|
#objs = env.Object('container.S')
|
|
#container = env.Program('container.elf', objs)
|
|
#env.Depends(container, [linux_kernel, rootfs, container_S, container_lds])
|
|
|
|
#image = []
|
|
#image.append(File("container.elf"))
|
|
|
|
|
|
Return('linux_kernel')
|