mirror of
https://github.com/drasko/codezero.git
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da5f4dcff3
- Moved rootfs from being embedded to mm0 image to being an independent image. - MM0 boots up to start_init_process with updated boot convention.
47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
# -*- mode: python; coding: utf-8; -*-
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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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import os.path
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import sys, subprocess, shutil
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from os.path import *
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Import('config', 'environment', 'previmage')
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e = environment.Clone()
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sys.path.append('../../../')
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from config.projpaths import *
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from config.configuration import *
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from tools.pyelf.lmanext import *
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rootfs_lds_in = \
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'''
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/*
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* Linker script that embeds an empty root filesystem.
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* This is to be replaced by a real rootfs image later.
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*/
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SECTIONS
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{
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. = %s;
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.bss : { *(.bss) }
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}
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'''
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def generate_rootfs_lds(target, source, env):
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with open(source[1].path, 'r') as lds_in:
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with open(target[0].path, 'w+') as lds_out:
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linker_script = lds_in.read()
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lds_out.write(linker_script % next_available_lma(source[0].path))
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rootfs_lds = e.Command('rootfs.lds', [previmage, 'rootfs.lds.in'], generate_rootfs_lds)
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e.Append(LINKFLAGS = '-T' + rootfs_lds[0].path)
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rootfs_img = e.Program('rootfs.elf', 'rootfs.c')
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Depends(rootfs_img, rootfs_lds)
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Return('rootfs_img')
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