mirror of
https://github.com/drasko/codezero.git
synced 2026-02-27 09:13:13 +01:00
Merge branch 'newBuild' of /opt/c0-trees/codezero-russel into devel
Conflicts: SConstruct src/api/SConscript src/arch/arm/SConscript src/generic/SConscript tasks/bootdesc/SConstruct
This commit is contained in:
Bahadir Balban
2
tasks/bootdesc/.gitignore
vendored
2
tasks/bootdesc/.gitignore
vendored
@@ -1,2 +0,0 @@
|
||||
*.txt
|
||||
bootdesc.c.append
|
||||
91
tasks/bootdesc/SConscript
Normal file
91
tasks/bootdesc/SConscript
Normal file
@@ -0,0 +1,91 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
import os.path
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import subprocess
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||||
import shutil
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||||
|
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Import('environment', 'images')
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||||
bootdescTemplate = \
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||||
'''
|
||||
/* This file is autogenerated, do not edit by hand. */
|
||||
|
||||
/* Supervisor task at load time. */
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struct svc_image {
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char name[16];
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||||
unsigned int phys_start;
|
||||
unsigned int phys_end;
|
||||
} __attribute__((__packed__));
|
||||
|
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/* Supervisor task descriptor at load time */
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struct bootdesc {
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||||
int desc_size;
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int total_images;
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||||
struct svc_image images[];
|
||||
} __attribute__((__packed__));
|
||||
|
||||
struct bootdesc bootdesc = {
|
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.desc_size = sizeof(struct bootdesc) + sizeof(struct svc_image) * %s,
|
||||
.total_images = %s,
|
||||
.images = {
|
||||
%s
|
||||
},
|
||||
};
|
||||
'''
|
||||
|
||||
imageTemplate = \
|
||||
''' [%s] = {
|
||||
.name = "%s",
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.phys_start = %s,
|
||||
.phys_end = %s,
|
||||
},
|
||||
'''
|
||||
|
||||
def generateLocationData(image):
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process = subprocess.Popen('tools/pyelf/readelf.py --lma-start-end ' + image.path, shell=True, stdout=subprocess.PIPE)
|
||||
assert process.wait() == 0
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return (process.stdout.readline().strip(), process.stdout.readline().strip().split()[1], process.stdout.readline().strip().split()[1])
|
||||
|
||||
def generateBootdesc(target, source, env):
|
||||
'''
|
||||
Extracts name, start, end information from the kernel and each svc task.
|
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Uses this information to produce bootdesc.c
|
||||
'''
|
||||
with open(target[0].path, 'w' ) as f:
|
||||
imagesString = ''
|
||||
numberOfImages = len(source) - 1
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for index in range(1, len(source)):
|
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imagesString += imageTemplate % ((index - 1,) + generateLocationData(source[index]))
|
||||
f.write(bootdescTemplate % (numberOfImages, numberOfImages, imagesString))
|
||||
|
||||
def relocateBootdesc(target, source, env):
|
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name, start, end = generateLocationData(source[1])
|
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process = subprocess.Popen(executable='arm-none-linux-gnueabi-objcopy', args=(
|
||||
'--adjust-section-vma .data=' + end,
|
||||
source[0].path))
|
||||
assert process.wait() == 0
|
||||
shutil.copyfile(source[0].path, target[0].path)
|
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|
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bootdescSource = environment.Command('bootdesc.c', images, generateBootdesc)
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||||
objects = environment.Object(bootdescSource)
|
||||
Depends(objects, environment['configFiles'])
|
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bootdesc = environment.Command('bootdesc.axf', environment.Program('bootdesc_intermediate', objects) + [images[0]] , relocateBootdesc)
|
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|
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Return('bootdesc')
|
||||
@@ -1,124 +0,0 @@
|
||||
#
|
||||
# Build script to autogenerate a bootdesc image
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
import os
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||||
import sys
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||||
import shutil
|
||||
from os.path import join
|
||||
|
||||
# The root directory of the repository where this file resides:
|
||||
project_root = "../.."
|
||||
tools_root = "../../tools"
|
||||
|
||||
kernel = join(project_root, "build/start.axf")
|
||||
mm0 = join(project_root, "tasks/mm0/mm0.axf")
|
||||
fs0 = join(project_root, "tasks/fs0/fs0.axf")
|
||||
test0 = join(project_root, "tasks/test0/test0.axf")
|
||||
#test1 = join(project_root, "tasks/test1/test1.axf")
|
||||
#blkdev0 = join(project_root, "tasks/fsbin/blkdev0.axf")
|
||||
|
||||
images = [kernel, mm0, fs0, test0]
|
||||
autogen_templ = "bootdesc.c.append"
|
||||
|
||||
def get_image_name_start_end(image, target):
|
||||
'''
|
||||
Using readelf.py utility, extracts name, start, end triplet from an arm-elf image.
|
||||
'''
|
||||
rest, name = os.path.split(image)
|
||||
if name[-4] == ".":
|
||||
name = name[:-4]
|
||||
os.system(join(tools_root, "pyelf/readelf.py --lma-start-end " + \
|
||||
image + " > " + target))
|
||||
|
||||
bootdesc_template = \
|
||||
'''
|
||||
struct bootdesc bootdesc = {
|
||||
.desc_size = sizeof(struct bootdesc) + sizeof(struct svc_image) * %s,
|
||||
.total_images = %s,
|
||||
.images = {
|
||||
%s
|
||||
},
|
||||
};
|
||||
'''
|
||||
|
||||
images_template = \
|
||||
''' [%s] = {
|
||||
.name = "%s",
|
||||
.phys_start = %s,
|
||||
.phys_end = %s,
|
||||
},
|
||||
'''
|
||||
|
||||
images_template_end = \
|
||||
'''
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||||
},
|
||||
'''
|
||||
|
||||
def generate_bootdesc(source, target, env):
|
||||
'''
|
||||
Extracts name, start, end information from the kernel and each svc task.
|
||||
Uses this information to produce bootdesc.c
|
||||
'''
|
||||
source.sort()
|
||||
images = []
|
||||
images_string = ""
|
||||
for node in source:
|
||||
if str(node)[-4:] == ".axf":
|
||||
rest, imgname = os.path.split(str(node))
|
||||
images.append((str(node), imgname[:-4]))
|
||||
elif str(node) [-6:] == ".templ":
|
||||
# Static template that has type definitions.
|
||||
#rest, original_template = os.path.split(str(node))
|
||||
original_template = str(node)
|
||||
index = 0
|
||||
for imgpath, imgname in images:
|
||||
get_image_name_start_end(imgpath, imgname + ".txt")
|
||||
if imgname != "start":
|
||||
f = open(imgname + ".txt", "r")
|
||||
svc_name = f.readline()[:-1]
|
||||
[start, startval] = str.split(f.readline()[:-1])
|
||||
[end, endval] = str.split(f.readline()[:-1])
|
||||
f.close()
|
||||
images_string += images_template % (str(index), svc_name, \
|
||||
hex(int(startval, 16)), hex(int(endval, 16)))
|
||||
index += 1
|
||||
|
||||
# Autogenerated template with actual data.
|
||||
autogen_template = open(autogen_templ, "w+")
|
||||
autogen_template.write(bootdesc_template % (str(index), str(index), images_string))
|
||||
autogen_template.close()
|
||||
|
||||
os.system("cat " + original_template + " > " + str(target[0]))
|
||||
os.system("cat " + autogen_templ + " >> " + str(target[0]))
|
||||
|
||||
# Relocate to end of mm0 instead of end of kernel
|
||||
def relocate_bootdesc(source, target, env):
|
||||
f = open("mm0.txt", "r")
|
||||
kernel_name = f.readline()[:-1]
|
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[start, startval] = str.split(f.readline()[:-1])
|
||||
[end, endval] = str.split(f.readline()[:-1])
|
||||
os.system("arm-none-linux-gnueabi-objcopy --adjust-section-vma .data=" + \
|
||||
hex(int(endval,16)) + " " + str(source[0]))
|
||||
os.system("mv " + str(source[0]) + " " + str(target[0]))
|
||||
# The kernel build environment:
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-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'],
|
||||
LINKFLAGS = ['-nostdlib','-Tlinker.lds'],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
PROGSUFFIX = '.axf', # The suffix to use for final executable
|
||||
ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
|
||||
LIBS = 'gcc', # libgcc.a - This is required for division routines.
|
||||
CPPPATH = '#include') # `hash' ('#') is a shorthand meaning `relative to
|
||||
# the root directory'. But this only works for
|
||||
# well-defined variables, not all paths, and only
|
||||
# if we use a relative build directory for sources.
|
||||
|
||||
bootdesc_src = env.Command("bootdesc.c", ["bootdesc.c.templ"] + images, generate_bootdesc)
|
||||
objs = env.Object('bootdesc.c')
|
||||
bootdesc = env.Program('bootdesc_data', objs)
|
||||
bootdesc_relocated = env.Command("bootdesc.axf", "bootdesc_data.axf", relocate_bootdesc)
|
||||
env.Depends(bootdesc_relocated, bootdesc)
|
||||
@@ -1,16 +0,0 @@
|
||||
|
||||
|
||||
/* Supervisor task at load time. */
|
||||
struct svc_image {
|
||||
char name[16];
|
||||
unsigned int phys_start;
|
||||
unsigned int phys_end;
|
||||
} __attribute__((__packed__));
|
||||
|
||||
/* Supervisor task descriptor at load time */
|
||||
struct bootdesc {
|
||||
int desc_size;
|
||||
int total_images;
|
||||
struct svc_image images[];
|
||||
} __attribute__((__packed__));
|
||||
|
||||
24
tasks/fs0/SConscript
Normal file
24
tasks/fs0/SConscript
Normal file
@@ -0,0 +1,24 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment', 'previousImage')
|
||||
|
||||
program = environment['buildTask']('fs0', Glob('*.c') + [Glob(directory + '/*.c') for directory in [ 'src', 'src/lib', 'src/lib/elf', 'src/memfs']], environment, previousImage)
|
||||
|
||||
Return('program')
|
||||
@@ -1,75 +0,0 @@
|
||||
#
|
||||
# User space application build script
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
import os
|
||||
import sys
|
||||
import shutil
|
||||
from os.path import join
|
||||
from glob import glob
|
||||
|
||||
task_name = "fs0"
|
||||
|
||||
# The root directory of the repository where this file resides:
|
||||
project_root = "../.."
|
||||
tools_root = join(project_root, "tools")
|
||||
prev_image = join(project_root, "tasks/mm0/mm0.axf")
|
||||
libs_path = join(project_root, "libs")
|
||||
ld_script = "include/linker.lds"
|
||||
physical_base_ld_script = "include/physical_base.lds"
|
||||
|
||||
# libc paths:
|
||||
libc_variant = "userspace"
|
||||
libc_libpath = join(libs_path, "c/build/%s" % libc_variant)
|
||||
libc_incpath = join(libc_libpath, "include")
|
||||
libc_crt0 = join(libs_path, "c/build/crt/sys-userspace/arch-arm/crt0.o")
|
||||
libc_name = "c-%s" % libc_variant
|
||||
|
||||
#libmem paths:
|
||||
libmem_path = "../libmem"
|
||||
libmem_incpath = "../libmem"
|
||||
|
||||
# libl4 paths:
|
||||
libl4_path = "../libl4"
|
||||
libl4_incpath1 = join(libl4_path, "include")
|
||||
|
||||
# libposix paths:
|
||||
libposix_path = "../libposix"
|
||||
libposix_incpath = join(libposix_path, "include")
|
||||
|
||||
# kernel paths:
|
||||
kernel_incpath = join(project_root, "include")
|
||||
|
||||
# If crt0 is in its library path, it becomes hard to link with it.
|
||||
# For instance the linker script must use an absolute path for it.
|
||||
def copy_crt0(source, target, env):
|
||||
os.system("cp " + str(source[0]) + " " + str(target[0]))
|
||||
|
||||
def get_physical_base(source, target, env):
|
||||
os.system(join(tools_root, "pyelf/readelf.py --first-free-page " + \
|
||||
prev_image + " >> " + physical_base_ld_script))
|
||||
|
||||
# The kernel build environment:
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-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'],
|
||||
LINKFLAGS = ['-nostdlib', '-T' + ld_script, "-L" + libc_libpath, "-L" + libl4_path,\
|
||||
"-L" + libmem_path, "-L" + libposix_path],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
PROGSUFFIX = '.axf', # The suffix to use for final executable
|
||||
ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
|
||||
LIBS = [libc_name, 'gcc', 'libmc', 'libl4', 'gcc', libc_name, "posix"],
|
||||
CPPFLAGS = "-D__USERSPACE__",
|
||||
CPPPATH = ['#include', libl4_incpath1, kernel_incpath, libc_incpath, \
|
||||
libposix_incpath, libmem_incpath])
|
||||
|
||||
src = [glob("src/*.c"), glob("*.c"), glob("src/arch/arm/*.c"), glob("src/memfs/*.c"), glob("src/lib/*.c")]
|
||||
objs = env.Object(src)
|
||||
physical_base = env.Command(physical_base_ld_script, prev_image, get_physical_base)
|
||||
crt0_copied = env.Command("crt0.o", libc_crt0, copy_crt0)
|
||||
|
||||
task = env.Program(task_name, objs + [crt0_copied])
|
||||
env.Alias(task_name, task)
|
||||
env.Depends(task, physical_base)
|
||||
33
tasks/libl4/SConscript
Normal file
33
tasks/libl4/SConscript
Normal file
@@ -0,0 +1,33 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment')
|
||||
|
||||
e = environment.Clone()
|
||||
e.Append(CPPPATH = ['include'])
|
||||
|
||||
# TODO: There are errors in this code that -Werror gives problems with.
|
||||
|
||||
e['CCFLAGS'] = ['-g', '-nostdlib', '-Wall', '-ffreestanding', '-std=gnu99']
|
||||
|
||||
objects = e.StaticObject(Glob('src/*.c') + Glob('src/' + e['ARCH'] + '/*.[cS]'))
|
||||
Depends(objects, e['configFiles'])
|
||||
library = e.StaticLibrary('l4', objects)
|
||||
|
||||
Return('library')
|
||||
@@ -1,84 +0,0 @@
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
|
||||
import os
|
||||
import glob
|
||||
import sys
|
||||
from os.path import join
|
||||
from string import split
|
||||
|
||||
# libposix paths:
|
||||
libposix_libpath = "../libposix"
|
||||
libposix_incpath = "../libposix/include/posix"
|
||||
|
||||
project_root = "../.."
|
||||
kernel_headers = join(project_root, "include")
|
||||
config_h = join(project_root, "include/l4/config.h")
|
||||
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
|
||||
CCFLAGS = ['-g', '-nostdlib', '-ffreestanding'],
|
||||
LINKFLAGS = ['-nostdlib'],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
ENV = {'PATH' : os.environ['PATH']},
|
||||
LIBS = 'gcc',
|
||||
CPPPATH = ['#include', libposix_incpath])
|
||||
|
||||
|
||||
def extract_arch_subarch_plat(config_header):
|
||||
'''
|
||||
From the autogenerated kernel config.h, extracts platform, archictecture,
|
||||
subarchitecture information. This is used to include the relevant headers
|
||||
from the kernel directories.
|
||||
'''
|
||||
arch = None
|
||||
subarch = None
|
||||
plat = None
|
||||
|
||||
if not os.path.exists(config_header):
|
||||
print "\n\nconfig.h does not exist. "\
|
||||
"Please run: `scons configure' first\n\n"
|
||||
sys.exit()
|
||||
f = open(config_h, "r")
|
||||
while True:
|
||||
line = f.readline()
|
||||
if line == "":
|
||||
break
|
||||
parts = split(line)
|
||||
if len(parts) > 0:
|
||||
if parts[0] == "#define":
|
||||
if parts[1] == "__ARCH__":
|
||||
arch = parts[2]
|
||||
elif parts[1] == "__PLATFORM__":
|
||||
plat = parts[2]
|
||||
elif parts[1] == "__SUBARCH__":
|
||||
subarch = parts[2]
|
||||
f.close()
|
||||
if arch == None:
|
||||
print "Error: No config symbol found for architecture"
|
||||
sys.exit()
|
||||
if subarch == None:
|
||||
print "Error: No config symbol found for subarchitecture"
|
||||
sys.exit()
|
||||
if plat == None:
|
||||
print "Error: No config symbol found for platform"
|
||||
sys.exit()
|
||||
return arch, subarch, plat
|
||||
|
||||
def create_symlinks(arch):
|
||||
if not os.path.exists("include/l4lib/arch"):
|
||||
os.system("ln -s %s %s" % ("arch-" + arch, "include/l4lib/arch"))
|
||||
|
||||
arch, subarch, plat = extract_arch_subarch_plat(config_h)
|
||||
|
||||
create_symlinks(arch) # Creates symlinks to architecture specific directories.
|
||||
|
||||
headers = ["#include", "#include/libl4/arch", kernel_headers]
|
||||
|
||||
env.Append(CPPPATH = headers)
|
||||
|
||||
src = glob.glob("src/*.c") + glob.glob("src/%s/*.[cS]" % arch)
|
||||
|
||||
libl4 = env.StaticLibrary('l4', src)
|
||||
|
||||
|
||||
39
tasks/libmem/SConscript
Normal file
39
tasks/libmem/SConscript
Normal file
@@ -0,0 +1,39 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment')
|
||||
|
||||
e = environment.Clone()
|
||||
e.Append(CPPPATH = ['#tasks/libl4/include' , '.' ])
|
||||
|
||||
mmObjects = e.StaticObject(Glob('mm/*.c'))
|
||||
Depends(mmObjects, e['configFiles'])
|
||||
mmLibrary = e.StaticLibrary('mm', mmObjects)
|
||||
|
||||
kmObjects = e.StaticObject(Glob('kmalloc/*.c'))
|
||||
Depends(kmObjects, e['configFiles'])
|
||||
kmLibrary = e.StaticLibrary('km', kmObjects)
|
||||
|
||||
mcObjects = e.StaticObject(Glob('memcache/*.c'))
|
||||
Depends(mcObjects, e['configFiles'])
|
||||
mcLibrary = e.StaticLibrary('mc', mcObjects)
|
||||
|
||||
libraries = (mmLibrary, kmLibrary, mcLibrary)
|
||||
|
||||
Return('libraries')
|
||||
@@ -1,67 +0,0 @@
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
|
||||
import os
|
||||
import glob
|
||||
import sys
|
||||
from os.path import join
|
||||
from string import split
|
||||
|
||||
project_root = "../.."
|
||||
headers_root = join(project_root, "include/l4")
|
||||
config_h = join(headers_root, "config.h")
|
||||
|
||||
#libl4 paths
|
||||
libl4_headers = join(project_root, "tasks/libl4/include")
|
||||
libl4_libpath = join(project_root, "tasks/libl4")
|
||||
|
||||
mm = "mm"
|
||||
kmalloc = "kmalloc"
|
||||
memcache = "memcache"
|
||||
tests = "tests"
|
||||
|
||||
mm_dir = mm
|
||||
kmalloc_dir = kmalloc
|
||||
memcache_dir = memcache
|
||||
tests_dir = tests
|
||||
|
||||
test_env = Environment(CC = 'gcc -m32',
|
||||
CCFLAGS = ['-g', '-std=gnu99', '-Wall', '-Werror'],
|
||||
ENV = {'PATH' : os.environ['PATH']},
|
||||
LIBS = ['gcc', 'mm', 'km', 'mc'],
|
||||
LIBPATH = ['#'],
|
||||
CPPPATH = ['#include', join(project_root, "include"), "#", libl4_headers])
|
||||
|
||||
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
|
||||
CCFLAGS = ['-g', '-nostdlib', '-Wall', '-Werror', '-ffreestanding', '-std=gnu99'],
|
||||
LINKFLAGS = ['-nostdlib'],
|
||||
ENV = {'PATH' : os.environ['PATH']},
|
||||
LIBS = 'gcc',
|
||||
CPPPATH = [join(project_root, "include"), "#", libl4_headers])
|
||||
|
||||
if os.path.exists(config_h) is False:
|
||||
print "\nThis build requires a valid kernel configuration header."
|
||||
print "Please run `scons configure' in the kernel root directory."
|
||||
print "Choose the `tests' target to build memory allocator tests,"
|
||||
print "or any other target for real use.\n"
|
||||
sys.exit()
|
||||
|
||||
mm_src = glob.glob("%s/*.c" % mm_dir)
|
||||
kmalloc_src = glob.glob("%s/*.c" % kmalloc_dir)
|
||||
memcache_src = glob.glob("%s/*.c" % memcache_dir)
|
||||
tests_src = glob.glob ("%s/*.c" % tests_dir)
|
||||
|
||||
if "tests" in COMMAND_LINE_TARGETS:
|
||||
print "WARNING!!! Did you configure the kernel with test target first???"
|
||||
libmm = test_env.StaticLibrary(mm, mm_src)
|
||||
libkmalloc = test_env.StaticLibrary("km", kmalloc_src)
|
||||
libmemcache = test_env.StaticLibrary("mc", memcache_src)
|
||||
test_prog = test_env.Program("test", tests_src)
|
||||
env.Alias("tests", test_prog)
|
||||
else:
|
||||
libmm = env.StaticLibrary(mm, mm_src)
|
||||
libkmalloc = env.StaticLibrary("km", kmalloc_src)
|
||||
libmemcache = env.StaticLibrary("mc", memcache_src)
|
||||
|
||||
@@ -1,9 +0,0 @@
|
||||
|
||||
# Inherit global environment
|
||||
Import('env')
|
||||
|
||||
# The set of source files associated with this SConscript file.
|
||||
src_local = ['main.c', 'test_kmalloc.c', 'test_memcache.c', 'test_allocpage.c', 'test_alloc_generic.c', 'debug.c', 'memory.c', 'clz.c']
|
||||
|
||||
obj = env.Object(src_local)
|
||||
Return('obj')
|
||||
33
tasks/libposix/SConscript
Normal file
33
tasks/libposix/SConscript
Normal file
@@ -0,0 +1,33 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment')
|
||||
|
||||
e = environment.Clone()
|
||||
e.Append(CPPPATH = ['include', 'include/posix', '#tasks/libl4/include'])
|
||||
|
||||
# TODO: There are errors in this code that -Werror gives problems with.
|
||||
|
||||
e['CCFLAGS'] = ['-g', '-nostdlib', '-Wall', '-ffreestanding', '-std=gnu99']
|
||||
|
||||
objects = e.StaticObject(Glob('*.c'))
|
||||
Depends(objects, e['configFiles'])
|
||||
library = e.StaticLibrary('posix', objects)
|
||||
|
||||
Return('library')
|
||||
@@ -1,74 +0,0 @@
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
|
||||
import os
|
||||
import glob
|
||||
import sys
|
||||
from os.path import join
|
||||
from string import split
|
||||
|
||||
project_root = "../.."
|
||||
kernel_headers = join(project_root, "include")
|
||||
l4lib_headers = join(project_root, "tasks/libl4/include")
|
||||
config_h = join(project_root, "include/l4/config.h")
|
||||
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
|
||||
CCFLAGS = ['-g', '-std=gnu99', '-nostdlib', '-ffreestanding'],
|
||||
LINKFLAGS = ['-nostdlib'],
|
||||
CPPPATH = ['#include'],
|
||||
ENV = {'PATH' : os.environ['PATH']},
|
||||
LIBS = 'gcc')
|
||||
|
||||
|
||||
def extract_arch_subarch_plat(config_header):
|
||||
'''
|
||||
From the autogenerated kernel config.h, extracts platform, archictecture,
|
||||
subarchitecture information. This is used to include the relevant headers
|
||||
from the kernel directories.
|
||||
'''
|
||||
arch = None
|
||||
subarch = None
|
||||
plat = None
|
||||
|
||||
if not os.path.exists(config_header):
|
||||
print "\n\nconfig.h does not exist. "\
|
||||
"Please run: `scons configure' first\n\n"
|
||||
sys.exit()
|
||||
f = open(config_h, "r")
|
||||
while True:
|
||||
line = f.readline()
|
||||
if line == "":
|
||||
break
|
||||
parts = split(line)
|
||||
if len(parts) > 0:
|
||||
if parts[0] == "#define":
|
||||
if parts[1] == "__ARCH__":
|
||||
arch = parts[2]
|
||||
elif parts[1] == "__PLATFORM__":
|
||||
plat = parts[2]
|
||||
elif parts[1] == "__SUBARCH__":
|
||||
subarch = parts[2]
|
||||
f.close()
|
||||
if arch == None:
|
||||
print "Error: No config symbol found for architecture"
|
||||
sys.exit()
|
||||
if subarch == None:
|
||||
print "Error: No config symbol found for subarchitecture"
|
||||
sys.exit()
|
||||
if plat == None:
|
||||
print "Error: No config symbol found for platform"
|
||||
sys.exit()
|
||||
return arch, subarch, plat
|
||||
|
||||
arch, subarch, plat = extract_arch_subarch_plat(config_h)
|
||||
|
||||
headers = ["#include/posix", l4lib_headers, kernel_headers]
|
||||
|
||||
env.Append(CPPPATH = headers)
|
||||
|
||||
src = glob.glob("src/*.c") + glob.glob("*.c")
|
||||
|
||||
libposix = env.StaticLibrary('posix', src)
|
||||
|
||||
|
||||
24
tasks/mm0/SConscript
Normal file
24
tasks/mm0/SConscript
Normal file
@@ -0,0 +1,24 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment', 'previousImage')
|
||||
|
||||
program = environment['buildTask']('mm0', Glob('*.c') + [Glob(directory + '/*.c') for directory in [ 'src', 'src/lib', 'src/lib/elf', 'src/arch-' + environment['ARCH']]], environment, previousImage)
|
||||
|
||||
Return('program')
|
||||
@@ -1,136 +0,0 @@
|
||||
#
|
||||
# User space application build script
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
import os
|
||||
import sys
|
||||
import shutil
|
||||
from string import split
|
||||
from os.path import join
|
||||
from glob import glob
|
||||
|
||||
task_name = "mm0"
|
||||
|
||||
# The root directory of the repository where this file resides:
|
||||
project_root = "../.."
|
||||
tools_root = join(project_root, "tools")
|
||||
prev_image = join(project_root, "build/start.axf")
|
||||
libs_path = join(project_root, "libs")
|
||||
ld_script = "include/linker.lds"
|
||||
physical_base_ld_script = "include/physical_base.lds"
|
||||
|
||||
# libc paths:
|
||||
libc_variant = "userspace"
|
||||
libc_libpath = join(libs_path, "c/build/%s" % libc_variant)
|
||||
libc_incpath = join(libc_libpath, "include")
|
||||
libc_crt0 = join(libs_path, "c/build/crt/sys-userspace/arch-arm/crt0.o")
|
||||
libc_name = "c-%s" % libc_variant
|
||||
|
||||
# libl4 paths:
|
||||
libl4_path = "../libl4"
|
||||
libl4_incpath = join(libl4_path, "include")
|
||||
|
||||
# libposix paths:
|
||||
libposix_path = "../libposix"
|
||||
libposix_incpath = join(libposix_path, "include")
|
||||
|
||||
#libmem paths:
|
||||
libmem_path = "../libmem"
|
||||
libmem_incpath = "../libmem"
|
||||
|
||||
# kernel paths:
|
||||
kernel_incpath = join(project_root, "include")
|
||||
|
||||
# Kernel config header.
|
||||
config_h = join(project_root, "include/l4/config.h")
|
||||
|
||||
|
||||
# If crt0 is in its library path, it becomes hard to link with it.
|
||||
# For instance the linker script must use an absolute path for it.
|
||||
def copy_crt0(source, target, env):
|
||||
os.system("cp " + str(source[0]) + " " + str(target[0]))
|
||||
|
||||
def get_physical_base(source, target, env):
|
||||
os.system(join(tools_root, "pyelf/readelf.py --first-free-page " + \
|
||||
prev_image +" >> " + physical_base_ld_script))
|
||||
|
||||
# The kernel build environment:
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-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' ],
|
||||
LINKFLAGS = ['-nostdlib', '-T' + ld_script, "-L" + libc_libpath, "-L" + libl4_path, \
|
||||
"-L" + libposix_path, "-L" + libmem_path],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
PROGSUFFIX = '.axf', # The suffix to use for final executable
|
||||
ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
|
||||
LIBS = [libc_name, 'libl4', 'libmm', 'libmc', 'libkm', 'libposix', \
|
||||
'gcc', libc_name], # libgcc.a - This is required for division routines.
|
||||
CPPFLAGS = "-D__USERSPACE__",
|
||||
CPPPATH = ['#include', libl4_incpath, libc_incpath, kernel_incpath, \
|
||||
libmem_incpath, libposix_incpath])
|
||||
|
||||
def extract_arch_subarch_plat(config_header):
|
||||
'''
|
||||
From the autogenerated kernel config.h, extracts platform, archictecture,
|
||||
subarchitecture information. This is used to include the relevant headers
|
||||
from the kernel directories.
|
||||
'''
|
||||
arch = None
|
||||
subarch = None
|
||||
plat = None
|
||||
|
||||
if not os.path.exists(config_header):
|
||||
print "\n\nconfig.h does not exist. "\
|
||||
"Please run: `scons configure' first\n\n"
|
||||
sys.exit()
|
||||
f = open(config_h, "r")
|
||||
while True:
|
||||
line = f.readline()
|
||||
if line == "":
|
||||
break
|
||||
parts = split(line)
|
||||
if len(parts) > 0:
|
||||
if parts[0] == "#define":
|
||||
if parts[1] == "__ARCH__":
|
||||
arch = parts[2]
|
||||
elif parts[1] == "__PLATFORM__":
|
||||
plat = parts[2]
|
||||
elif parts[1] == "__SUBARCH__":
|
||||
subarch = parts[2]
|
||||
f.close()
|
||||
if arch == None:
|
||||
print "Error: No config symbol found for architecture"
|
||||
sys.exit()
|
||||
if subarch == None:
|
||||
print "Error: No config symbol found for subarchitecture"
|
||||
sys.exit()
|
||||
if plat == None:
|
||||
print "Error: No config symbol found for platform"
|
||||
sys.exit()
|
||||
return arch, subarch, plat
|
||||
|
||||
def create_symlinks(arch):
|
||||
arch_path = "include/arch"
|
||||
arch_path2 ="src/arch"
|
||||
if os.path.exists(arch_path):
|
||||
os.system("rm %s" % (arch_path))
|
||||
os.system("ln -s %s %s" % ("arch-" + arch, arch_path))
|
||||
if os.path.exists(arch_path2):
|
||||
os.system("rm %s" % (arch_path2))
|
||||
os.system("ln -s %s %s" % ("arch-" + arch, arch_path2))
|
||||
|
||||
arch, subarch, plat = extract_arch_subarch_plat(config_h)
|
||||
|
||||
create_symlinks(arch) # Creates symlinks to architecture specific directories.
|
||||
|
||||
src = [glob("src/*.c"), glob("src/lib/*.c"), glob("src/lib/elf/*.c"), glob("*.c"), glob("src/arch/*.c")]
|
||||
objs = env.Object(src)
|
||||
physical_base = env.Command(physical_base_ld_script, prev_image, get_physical_base)
|
||||
crt0_copied = env.Command("crt0.o", libc_crt0, copy_crt0)
|
||||
|
||||
task = env.Program(task_name, objs + [crt0_copied])
|
||||
env.Alias(task_name, task)
|
||||
env.Depends(task, physical_base)
|
||||
|
||||
22
tasks/taskOrder.py
Normal file
22
tasks/taskOrder.py
Normal file
@@ -0,0 +1,22 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
# A sequence determining the order of tasks in the packing.
|
||||
|
||||
taskOrder = ('mm0', 'fs0', 'test0')
|
||||
24
tasks/test0/SConscript
Normal file
24
tasks/test0/SConscript
Normal file
@@ -0,0 +1,24 @@
|
||||
# -*- mode: python; coding: utf-8; -*-
|
||||
|
||||
# Codezero -- a microkernel for embedded systems.
|
||||
#
|
||||
# Copyright © 2009 B Labs Ltd
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
|
||||
# General Public License as published by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
||||
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this program. If not, see
|
||||
# <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
# Author: Russel Winder
|
||||
|
||||
Import('environment', 'previousImage')
|
||||
|
||||
program = environment['buildTask']('test0', Glob('*.c') + Glob('src/*.c'), environment, previousImage, ['#tasks/libposix/include/posix'])
|
||||
|
||||
Return('program')
|
||||
@@ -1,109 +0,0 @@
|
||||
#
|
||||
# User space application build script
|
||||
#
|
||||
# Copyright (C) 2007 Bahadir Balban
|
||||
#
|
||||
import os
|
||||
import sys
|
||||
import shutil
|
||||
from os.path import join
|
||||
from glob import glob
|
||||
|
||||
task_name = "test0"
|
||||
|
||||
# The root directory of the repository where this file resides:
|
||||
project_root = "../.."
|
||||
tools_root = join(project_root, "tools")
|
||||
prev_image = join(project_root, "tasks/fs0/fs0.axf")
|
||||
libs_path = join(project_root, "libs")
|
||||
ld_script = "include/linker.lds"
|
||||
physical_base_ld_script = "include/physical_base.lds"
|
||||
|
||||
# Libc situation:
|
||||
# Libposix has uClibc (and therefore posix) headers.
|
||||
# NICTA libc implements printf for us for now.
|
||||
# Libposix implements posix calls for us, e.g. mmap.
|
||||
# In conclusion nicta libc and libposix complement each other
|
||||
# they should not clash. In future libposix will be part of uclibc
|
||||
# and uclibc will be used.
|
||||
|
||||
# libc paths:
|
||||
libc_variant = "userspace"
|
||||
libc_libpath = join(libs_path, "c/build/%s" % libc_variant)
|
||||
libc_incpath = join(libc_libpath, "include")
|
||||
libc_crt0 = join(libs_path, "c/build/crt/sys-userspace/arch-arm/crt0.o")
|
||||
libc_name = "c-%s" % libc_variant
|
||||
|
||||
# libposix paths:
|
||||
libposix_libpath = "../libposix"
|
||||
libposix_incpath = "../libposix/include/posix"
|
||||
|
||||
# libl4 paths:
|
||||
libl4_path = "../libl4"
|
||||
libl4_incpath = join(libl4_path, "include")
|
||||
|
||||
# kernel paths:
|
||||
kernel_incpath = join(project_root, "include")
|
||||
|
||||
# If crt0 is in its library path, it becomes hard to link with it.
|
||||
# For instance the linker script must use an absolute path for it.
|
||||
def copy_crt0(source, target, env):
|
||||
os.system("cp " + str(source[0]) + " " + str(target[0]))
|
||||
|
||||
def get_physical_base(source, target, env):
|
||||
os.system(join(tools_root, "pyelf/readelf.py --first-free-page " + \
|
||||
prev_image + " >> " + physical_base_ld_script))
|
||||
|
||||
# The kernel build environment:
|
||||
env = Environment(CC = 'arm-none-linux-gnueabi-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'],
|
||||
LINKFLAGS = ['-nostdlib', '-T' + ld_script, "-L" + libc_libpath, "-L" + libl4_path, \
|
||||
'-L' + libposix_libpath],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
PROGSUFFIX = '.axf', # The suffix to use for final executable
|
||||
ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
|
||||
LIBS = [libc_name, 'gcc', libc_name, 'libl4', 'libposix', libc_name],
|
||||
CPPFLAGS = "-D__USERSPACE__",
|
||||
CPPPATH = ['#include', libl4_incpath, libposix_incpath, kernel_incpath])
|
||||
|
||||
|
||||
test_exec_ld_script = "include/test_exec_linker.lds"
|
||||
# The kernel build environment:
|
||||
test_exec_env = Environment(CC = 'arm-none-linux-gnueabi-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 = ['-O3', '-nostdlib', '-ffreestanding', '-std=gnu99', '-Wall', '-Werror'],
|
||||
LINKFLAGS = ['-nostdlib', '-T' + test_exec_ld_script, "-L" + libc_libpath, "-L" + libl4_path, \
|
||||
'-L' + libposix_libpath],
|
||||
ASFLAGS = ['-D__ASSEMBLY__'],
|
||||
PROGSUFFIX = '.axf', # The suffix to use for final executable
|
||||
ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
|
||||
LIBS = [libc_name, 'gcc', libc_name, 'libl4', 'libposix', libc_name],
|
||||
CPPFLAGS = "-D__USERSPACE__",
|
||||
CPPPATH = ['#include', libl4_incpath, libposix_incpath, kernel_incpath])
|
||||
|
||||
src = [glob("src/*.c"), glob("*.c"), glob("*.S"), glob("src/arch/arm/*.c"), glob("../libcont/*.c")]
|
||||
objs = env.Object(src)
|
||||
physical_base = env.Command(physical_base_ld_script, prev_image, get_physical_base)
|
||||
crt0_copied = env.Command("crt0.o", libc_crt0, copy_crt0)
|
||||
|
||||
test_exec_src = [glob("src/test_exec/*.c")]
|
||||
test_exec_objs = test_exec_env.Object(test_exec_src)
|
||||
test_exec_name = "test_exec"
|
||||
test_exec = test_exec_env.Program(test_exec_name, test_exec_objs + [crt0_copied])
|
||||
test_exec_env.Alias(test_exec_name, test_exec)
|
||||
|
||||
env.Depends(objs, test_exec)
|
||||
task = env.Program(task_name, objs + [crt0_copied])
|
||||
env.Alias(task_name, task)
|
||||
|
||||
# I find this to be a BUG related to SCons. SCons is still good compared to
|
||||
# notoriously horrible makefiles, but it could have been better.
|
||||
# if test_exec doesn't depend on physical_base, test_exec is compiled but
|
||||
# task complains that physical_base is not there. However we already declared
|
||||
# its dependency below.
|
||||
|
||||
env.Depends(test_exec, physical_base)
|
||||
env.Depends(task, physical_base)
|
||||
Reference in New Issue
Block a user