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https://github.com/drasko/codezero.git
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51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
# -*- 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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import os, sys, shelve
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from os.path import join
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from config.configuration import *
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from config.projpaths import *
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config = configuration_retrieve()
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arch = config.arch
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platform = config.platform
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# Locally important paths are here
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LIBC_PATH = 'loader/libs/c'
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LIBC_LIBPATH = LIBC_PATH
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LIBC_INCPATH = ['#' + join(LIBC_PATH, 'include'), \
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'#' + join(LIBC_PATH, 'include/arch/' + arch)]
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LIBC_CRT_PATH = '#' + join(LIBC_PATH, "crt/sys-baremetal/arch-" + arch + "/crt0.o")
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LIBELF_PATH = 'loader/libs/elf'
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LIBELF_LIBPATH = LIBELF_PATH
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LIBELF_INCPATH = '#' + join(LIBELF_PATH, 'include')
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env = Environment(CC = 'arm-none-eabi-gcc',
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# We don't use -nostdinc because sometimes we need standard headers,
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# such as stdarg.h e.g. for variable args, as in printk().
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CCFLAGS = ['-g', '-mcpu=arm926ej-s', '-nostdlib', '-ffreestanding', \
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'-std=gnu99', '-Wall', '-Werror'],
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LINKFLAGS = ['-nostdlib', '-T' + "loader/linker.lds", "-u_start"],
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ASFLAGS = ['-D__ASSEMBLY__'],
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PROGSUFFIX = '.elf',
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ENV = {'PATH' : os.environ['PATH']},
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LIBS = ['gcc', 'c-baremetal', 'gcc'],
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LIBPATH = [LIBC_LIBPATH, LIBELF_LIBPATH],
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CPPPATH = ['#include', LIBC_INCPATH, LIBELF_INCPATH])
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libc = SConscript('loader/libs/c/SConscript', \
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exports = { 'env' : env, 'arch' : arch, 'platform' : platform }, \
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duplicate = 0, variant_dir = 'build/loader/libs/c')
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libelf = SConscript('loader/libs/elf/SConscript', exports = { 'env' : env }, \
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duplicate = 0, variant_dir = 'build/loader/libs/elf')
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loader_objs = SConscript('loader/SConscript', exports = { 'env' : env }, \
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duplicate = 0, variant_dir = 'build/loader')
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env.Program('build/final.elf', [loader_objs + libc + libelf])
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