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https://github.com/drasko/codezero.git
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99 lines
2.8 KiB
Python
Executable File
99 lines
2.8 KiB
Python
Executable File
#! /usr/bin/env python2.6
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# -*- mode: python; coding: utf-8; -*-
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#
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# Codezero -- a microkernel for embedded systems.
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#
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# Copyright © 2009 B Labs Ltd
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#
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import os, sys, shelve
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from os.path import join
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PROJRELROOT = '../../'
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SCRIPTROOT = os.path.abspath(os.path.dirname("."))
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT)))
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from config.projpaths import *
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from config.configuration import *
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containers_assembler_body = \
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'''
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.align 4
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.section .cont.%d
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.incbin "%s"
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'''
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containers_lds_start = \
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'''/*
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* Autogenerated linker script that packs all containers
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* in a single image.
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*
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* Copyright (C) 2009 B Labs Ltd.
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*/
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SECTIONS
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{'''
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containers_lds_body = \
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'''
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.cont.%d : { *(.cont.%d) }'''
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containers_lds_end = \
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'''
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}
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'''
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class AllContainerPacker:
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def __init__(self, image_list, container_list):
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self.cont_images_in = image_list
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self.cont_images_in.sort()
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self.containers = container_list
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self.CONTAINERS_BUILDDIR = join(PROJROOT, 'build/conts')
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self.containers_lds_out = join(self.CONTAINERS_BUILDDIR, \
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'containers.lds')
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self.containers_S_out = join(self.CONTAINERS_BUILDDIR, 'containers.S')
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self.containers_elf_out = join(self.CONTAINERS_BUILDDIR, \
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'containers.elf')
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def generate_container_S(self, target_path):
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with open(target_path, 'w+') as f:
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file_body = ""
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img_i = 0
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for img in self.cont_images_in:
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file_body += containers_assembler_body % (img_i, img)
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img_i += 1
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f.write(file_body)
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def generate_container_lds(self, target_path):
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with open(target_path, 'w+') as f:
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img_i = 0
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file_body = containers_lds_start
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for img in self.cont_images_in:
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file_body += containers_lds_body % (img_i, img_i)
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img_i += 1
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file_body += containers_lds_end
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f.write(file_body)
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def pack_all(self, config):
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self.generate_container_lds(self.containers_lds_out)
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self.generate_container_S(self.containers_S_out)
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os.system(config.user_toolchain + "gcc " + "-nostdlib -o %s -T%s %s" \
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% (self.containers_elf_out, self.containers_lds_out, \
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self.containers_S_out))
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# Return the final image to calling script
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return self.containers_elf_out
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def clean(self):
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if os.path.exists(self.containers_elf_out):
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shutil.rmtree(self.containers_elf_out)
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if os.path.exists(self.containers_lds_out):
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shutil.rmtree(self.containers_lds_out)
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if os.path.exists(self.containers_S_out):
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shutil.rmtree(self.containers_S_out)
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if __name__ == "__main__":
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all_cont_packer = AllContainerPacker([], [])
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