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[/] [c0or1k/] [trunk/] [conts/] [baremetal/] [empty/] [SConstruct] - Rev 3

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# -*- mode: python; coding: utf-8; -*-
#
#  Codezero -- Virtualization microkernel for embedded systems.
#
#  Copyright © 2009  B Labs Ltd
#
import os, shelve, sys
from os.path import *

PROJRELROOT = '../..'

sys.path.append(PROJRELROOT)

from config.projpaths import *
from config.configuration import *

config = configuration_retrieve()
platform = config.platform
arch = config.arch
gcc_arch_flag = config.gcc_arch_flag

LIBL4_RELDIR = 'conts/libl4'
KERNEL_INCLUDE = join(PROJROOT, 'include')
LIBL4_DIR = join(PROJROOT, LIBL4_RELDIR)
LIBL4_INCLUDE = join(LIBL4_DIR, 'include')
LIBL4_LIBPATH = join(BUILDDIR, LIBL4_RELDIR)

# Locally important paths are here
LIBC_RELDIR = 'conts/libc'
LIBC_DIR = join(PROJROOT, LIBC_RELDIR)
LIBC_LIBPATH = join(BUILDDIR, LIBC_RELDIR)
LIBC_INCLUDE = [join(LIBC_DIR, 'include'), \
                join(LIBC_DIR, 'include/arch' + '/' + arch)]

LIBDEV_RELDIR = 'conts/libdev'
LIBDEV_DIR = join(PROJROOT, LIBDEV_RELDIR)
LIBDEV_LIBPATH = join(join(BUILDDIR, LIBDEV_RELDIR), 'sys-userspace')
LIBDEV_INCLUDE = [join(LIBDEV_DIR, 'uart/include')]

LIBMEM_RELDIR = 'conts/libmem'
LIBMEM_DIR = join(PROJROOT, LIBMEM_RELDIR)
LIBMEM_LIBPATH = join(BUILDDIR, LIBMEM_RELDIR)
LIBMEM_INCLUDE = LIBMEM_DIR

env = Environment(CC = config.toolchain_userspace + 'gcc',
          # We don't use -nostdinc because sometimes we need standard headers,
          # such as stdarg.h e.g. for variable args, as in printk().
          CCFLAGS = ['-g', '-nostdlib', '-ffreestanding', '-std=gnu99', '-Wall', \
                     '-Werror', '-march=' + gcc_arch_flag],
          LINKFLAGS = ['-nostdlib', '-T' + "include/linker.lds", "-u_start"],
                  ASFLAGS = ['-D__ASSEMBLY__'], \
                  PROGSUFFIX = '.elf',                  # The suffix to use for final executable\
                  ENV = {'PATH' : os.environ['PATH']},  # Inherit shell path\
                  LIBS = ['gcc', 'libl4', 'c-userspace', 'libdev-userspace', 'gcc', \
                  'libmm', 'libmc', 'libmalloc','c-userspace'], # libgcc.a - This is required for division routines.
                  CPPPATH = ["#include", KERNEL_INCLUDE, LIBL4_INCLUDE, LIBDEV_INCLUDE, \
                     LIBC_INCLUDE, LIBMEM_INCLUDE],
          LIBPATH = [LIBL4_LIBPATH, LIBDEV_LIBPATH, LIBC_LIBPATH, LIBMEM_LIBPATH],
                  CPPFLAGS = '-include l4/config.h -include l4/macros.h -include l4/types.h')

src = Glob('*.[cS]')
src += Glob('src/*.[cS]')

objs = env.Object(src)
prog = env.Program('main.elf', objs)
Depends(prog, 'include/linker.lds')

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