diff --git a/scripts/conts/__init__.py b/scripts/conts/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/scripts/conts/containers.py b/scripts/conts/containers.py new file mode 100755 index 0000000..ee47d4e --- /dev/null +++ b/scripts/conts/containers.py @@ -0,0 +1,52 @@ +#! /usr/bin/env python2.6 +# -*- mode: python; coding: utf-8; -*- +# +# Codezero -- a microkernel for embedded systems. +# +# Copyright © 2009 B Labs Ltd +# +import os, sys, shelve, glob +from os.path import join + +PROJRELROOT = '../../' + +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT))) +sys.path.append(os.path.abspath("../")) + +from config.projpaths import * +from config.configuration import * +from scripts.linux.build_linux import * +from scripts.linux.build_rootfs import * +from pack import * +from packall import * + +def build_container(container): + if container.type == "linux": + linux_builder = LinuxBuilder(projpaths, container) + linux_builder.build_linux() + rootfs_builder = RootfsBuilder(projpaths, container) + rootfs_builder.build_rootfs() + linux_container_packer = LinuxContainerPacker(container, \ + linux_builder, \ + rootfs_builder) + return linux_container_packer.pack_container() + + else: + print "Error: Don't know how to build " + \ + "container of type: %s" % (container.type) + Exit(1) + +def main(): + container_images = [] + + config = configuration_retrieve() + for container in config.containers: + container_images.append(build_container(container)) + + all_cont_packer = AllContainerPacker(container_images, config.containers) + + all_cont_packer.pack_all() + +if __name__ == "__main__": + main() + diff --git a/scripts/conts/pack.py b/scripts/conts/pack.py new file mode 100755 index 0000000..b02c0c9 --- /dev/null +++ b/scripts/conts/pack.py @@ -0,0 +1,113 @@ +#! /usr/bin/env python2.6 +# -*- mode: python; coding: utf-8; -*- +# +# Codezero -- a microkernel for embedded systems. +# +# Copyright © 2009 B Labs Ltd +# +import os, sys, shelve, glob +from os.path import join + +PROJRELROOT = '../../' + +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT))) +sys.path.append(os.path.abspath('../')) + +from config.projpaths import * +from config.configuration import * + +container_assembler_body = \ +''' +.align 4 +.section .img.%d +.incbin "%s" +''' + +container_lds_start = \ +'''/* + * Autogenerated linker script that embeds each image to be + * placed in a single container. + * + * Copyright (C) 2009 B Labs + */ + +SECTIONS +{''' + +container_lds_body = \ +''' + .img.%d : { *(.img.%d) }''' + +container_lds_end = \ +''' +} +''' + +# Create container build base as: +# conts/linux -> build/cont[0-9] +def source_to_builddir(srcdir, id): + cont_builddir = \ + os.path.relpath(srcdir, \ + PROJROOT).replace("conts", \ + "cont" + str(id)) + return join(BUILDDIR, cont_builddir) + +class LinuxContainerPacker: + def __init__(self, container, linux_builder, rootfs_builder): + + # Here, we simply attempt to get PROJROOT/conts as + # PROJROOT/build/cont[0-9] + self.CONTAINER_BUILDDIR_BASE = \ + source_to_builddir(join(PROJROOT,'conts'), container.id) + + self.container_lds_out = join(self.CONTAINER_BUILDDIR_BASE, \ + 'container.lds') + self.container_S_out = join(self.CONTAINER_BUILDDIR_BASE, 'container.S') + self.container_elf_out = join(self.CONTAINER_BUILDDIR_BASE, \ + 'container' + str(container.id) + '.elf') + self.kernel_image_in = linux_builder.kernel_image + self.rootfs_elf_in = rootfs_builder.rootfs_elf_out + + def generate_container_assembler(self, source): + with open(self.container_S_out, 'w+') as f: + 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(self, source): + with open(self.container_lds_out, 'w+') as f: + 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() + + def pack_container(self): + self.generate_container_lds([self.kernel_image_in, \ + self.rootfs_elf_in]) + self.generate_container_assembler([self.kernel_image_in, \ + self.rootfs_elf_in]) + os.system("arm-none-linux-gnueabi-gcc " + "-nostdlib -o %s -T%s %s" \ + % (self.container_elf_out, \ + self.container_lds_out, + self.container_S_out)) + # Final file is returned so that the final packer needn't + # get the packer object for this information + return self.container_elf_out + + def clean(self): + if os.path.exists(self.container_elf_out): + shutil.rmtree(self.container_elf_out) + if os.path.exists(self.container_lds_out): + shutil.rmtree(self.container_lds_out) + if os.path.exists(self.container_S_out): + shutil.rmtree(self.container_S_out) + diff --git a/scripts/conts/packall.py b/scripts/conts/packall.py new file mode 100755 index 0000000..e2fe36a --- /dev/null +++ b/scripts/conts/packall.py @@ -0,0 +1,103 @@ +#! /usr/bin/env python2.6 +# -*- mode: python; coding: utf-8; -*- +# +# Codezero -- a microkernel for embedded systems. +# +# Copyright © 2009 B Labs Ltd +# +import os, sys, shelve +from os.path import join + +PROJRELROOT = '../../' + +SCRIPTROOT = os.path.abspath(os.path.dirname(".")) +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT))) + +from config.projpaths import * +from config.configuration import * + + +containers_assembler_body = \ +''' +.align 4 +.section .cont.%d +.incbin "%s" +''' + +containers_lds_start = \ +'''/* + * Autogenerated linker script that packs all containers + * in a single image. + * + * Copyright (C) 2009 B Labs Ltd. + */ + +SECTIONS +{''' + +containers_lds_body = \ +''' + .cont.%d : { *(.cont.%d) }''' + +containers_lds_end = \ +''' +} +''' + +class AllContainerPacker: + def __init__(self, image_list, container_list): + self.cont_images_in = image_list + self.cont_images_in.sort() + self.containers = container_list + + self.CONTAINERS_BUILDDIR = join(PROJROOT, 'build/conts') + self.containers_lds_out = join(self.CONTAINERS_BUILDDIR, \ + 'containers.lds') + self.containers_S_out = join(self.CONTAINERS_BUILDDIR, 'containers.S') + self.containers_elf_out = join(self.CONTAINERS_BUILDDIR, \ + 'containers.elf') + + def generate_container_S(self, target_path): + with open(target_path, 'w+') as f: + file_body = "" + img_i = 0 + for img in self.cont_images_in: + print img + file_body += containers_assembler_body % (img_i, img) + img_i += 1 + + f.write(file_body) + + def generate_container_lds(self, target_path): + with open(target_path, 'w+') as f: + img_i = 0 + file_body = containers_lds_start + for img in self.cont_images_in: + file_body += containers_lds_body % (img_i, img_i) + img_i += 1 + file_body += containers_lds_end + f.write(file_body) + + def pack_all(self): + self.generate_container_lds(self.containers_lds_out) + self.generate_container_S(self.containers_S_out) + os.system("arm-none-linux-gnueabi-gcc " + "-nostdlib -o %s -T%s %s" \ + % (self.containers_elf_out, \ + self.containers_lds_out, + self.containers_S_out)) + +# oldwd = os.getcwd() +# os.chdir(PROJROOT) +# os.system("scons -f SConstruct.loader") +# os.chdir(oldwd) + + def clean(self): + if os.path.exists(self.containers_elf_out): + shutil.rmtree(self.containers_elf_out) + if os.path.exists(self.containers_lds_out): + shutil.rmtree(self.containers_lds_out) + if os.path.exists(self.containers_S_out): + shutil.rmtree(self.containers_S_out) + +if __name__ == "__main__": + all_cont_packer = AllContainerPacker([], []) diff --git a/scripts/linux/__init__.py b/scripts/linux/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/scripts/linux/build_linux.py b/scripts/linux/build_linux.py index 0b32e84..b03e9d6 100755 --- a/scripts/linux/build_linux.py +++ b/scripts/linux/build_linux.py @@ -11,7 +11,7 @@ from os.path import join PROJRELROOT = '../../' SCRIPTROOT = os.path.abspath(os.path.dirname(".")) -sys.path.append(os.path.abspath(PROJRELROOT)) +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT))) from config.projpaths import * from config.configuration import * diff --git a/scripts/linux/build_rootfs.py b/scripts/linux/build_rootfs.py index bbef92f..f30b5b2 100755 --- a/scripts/linux/build_rootfs.py +++ b/scripts/linux/build_rootfs.py @@ -10,7 +10,7 @@ from os.path import join PROJRELROOT = "../.." SCRIPTROOT = os.path.abspath(os.path.dirname(".")) -sys.path.append(os.path.abspath(PROJRELROOT)) +sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT))) from config.projpaths import * from config.configuration import * diff --git a/scripts/loader/__init__.py b/scripts/loader/__init__.py new file mode 100644 index 0000000..e69de29