def collect_memobj_attrs(el, namespace, image, machine):
"""Collect the attributes of a memory section like element."""
assert el is not None
values = image.new_attrs(namespace)
if el.tag == "stack" or el.tag == "heap":
values.name = el.tag
else:
values.name = el.name
assert el.name is not None
values.file = getattr(el, 'file', values.file)
values.size = getattr(el, 'size', values.size)
values.virt_addr = getattr(el, 'virt_addr', values.virt_addr)
values.phys_addr = getattr(el, 'phys_addr', values.phys_addr)
values.direct = getattr(el, 'direct', values.direct)
values.virtpool = getattr(el, 'virtpool', values.virtpool)
values.physpool = getattr(el, 'physpool', values.physpool)
values.align = getattr(el, 'align', values.align)
values.scrub = getattr(el, 'zero', values.scrub)
values.usermap = getattr(el, 'user_map', values.usermap)
if hasattr(el, 'attach'):
values.attach = attach_to_elf_flags(el.attach)
if hasattr(el, 'pager'):
values.pager = make_pager_attr(el.pager)
if hasattr(el, 'cache_policy'):
values.cache_policy = machine.get_cache_policy(el.cache_policy)
return values
def setup_pools(el, image, pd, bootinfo):
virtpool = getattr(el, 'virtpool', None)
physpool = getattr(el, 'physpool', None)
direct = getattr(el, 'direct', None)
pd.set_platform_control(getattr(el, "platform_control", False))
if hasattr(el, 'pager'):
pager = make_pager_attr(el.pager)
else:
pager = None
# Push the overriding attributes for the program.
image.push_attrs(virtual = virtpool,
physical = physpool,
pager = pager,
direct = direct)
pd.set_default_pools(image, bootinfo)
def collect_memobj_attrs(el, namespace, image, machine):
"""Collect the attributes of a memory section like element."""
assert el is not None
if el.tag == "stack" or el.tag == "heap":
name = el.tag
else:
assert el.name is not None
name = el.name
values = image.new_attrs(namespace.add_namespace(name))
values.file = getattr(el, 'file', values.file)
values.size = getattr(el, 'size', values.size)
values.virt_addr = getattr(el, 'virt_addr', values.virt_addr)
values.phys_addr = getattr(el, 'phys_addr', values.phys_addr)
values.direct = getattr(el, 'direct', values.direct)
values.virtpool = getattr(el, 'virtpool', values.virtpool)
values.physpool = getattr(el, 'physpool', values.physpool)
values.align = getattr(el, 'align', values.align)
values.scrub = getattr(el, 'zero', values.scrub)
values.user_map = getattr(el, 'mem_type', values.user_map)
if hasattr(el, 'mem_type'):
values.mem_type = translate_mem_types(el.mem_type)
if hasattr(el, 'attach'):
values.attach = attach_to_elf_flags(el.attach)
if hasattr(el, 'pager'):
values.pager = make_pager_attr(el.pager)
if hasattr(el, 'cache_policy'):
values.cache_policy = machine.get_cache_policy(el.cache_policy)
return values
def collect_pd_element(pd_el, ignore_name, namespace, image, machine,
bootinfo, pools):
"""Collect the attributes of a PD element."""
# New namespace for objects living in the PD.
pd_namespace = namespace.add_namespace(pd_el.name)
pd = weaver.bootinfo.PD(pd_el.name, pd_namespace, image, machine, pools)
virtpool = getattr(pd_el, 'virtpool', None)
physpool = getattr(pd_el, 'physpool', None)
direct = getattr(pd_el, 'direct', None)
pd.set_platform_control(getattr(pd_el, "platform_control", False))
if hasattr(pd_el, 'pager'):
pager = make_pager_attr(pd_el.pager)
else:
pager = None
# Push the overriding attributes for the pd.
image.push_attrs(virtual = virtpool,
physical = physpool,
pager = pager,
direct = direct)
pd.set_default_pools(image, bootinfo)
# Collect the object environment
env = collect_environment_element(pd_el.find_child('environment'),
pd_namespace, machine, pools,
image, bootinfo)
if hasattr(pd_el, "file"):
elf = PreparedElfFile(filename=pd_el.file)
if elf.elf_type != ET_EXEC:
raise MergeError, "All the merged ELF files must be of EXEC type."
segment_els = pd_el.find_all_children("segment")
segs = collect_elf_segments(elf,
image.PROGRAM,
segment_els,
pd_el.name,
pd_namespace,
image,
machine,
pools)
segs_ms = [bootinfo.record_segment_info(pd_el.name, seg,
image, machine, pools)
for seg in segs]
for seg_ms in segs_ms:
pd.attach_memsection(seg_ms)
# Record any patches being made to the program.
patch_els = pd_el.find_children("patch")
collect_patches(elf, patch_els, image)
# Collect threads in the PD.
for thread_el in pd_el.find_children('thread'):
if not ignore_name.match(thread_el.name):
thread = collect_thread(elf, thread_el, ignore_name,
pd_namespace, image, machine, pools,
entry = "_thread_start")
pd.add_thread(thread)
# Record the thread and its stack in the environment.
env.add_entry(key = thread.get_name(),
cap_name = thread.get_name() + '/master')
env.add_entry(key = thread.get_name() + "/STACK",
cap_name = thread.get_name() + '/stack/master',
attach = thread.get_stack().get_attrs().attach)
# Collect memsections in the PD.
for ms_el in pd_el.find_children('memsection'):
if not ignore_name.match(ms_el.name):
ms = collect_memsection_element(ms_el, ignore_name,
pd_namespace, image,
machine, pools)
pd.attach_memsection(ms)
image.add_group(0, [ms.get_ms()])
env.add_entry(key = ms.get_name(),
cap_name = ms.get_name() + '/master',
attach = ms.get_attrs().attach)
# Collect any zones in the program.
for zone_el in pd_el.find_children('zone'):
(zone, non_zone_ms) = \
collect_zone_element(zone_el, ignore_name,
pd_namespace, pools, image,
bootinfo, machine)
pd.attach_zone(zone)
# Attach zones that aren't part of the zone to the program.
for ms in non_zone_ms:
pd.attach_memsection(ms)
image.add_group(0, [ms.get_ms()])
env.add_entry(key = ms.get_name(),
cap_name = ms.get_name() + '/master',
attach = ms.get_attrs().attach)
pd.add_environment(env)
bootinfo.add_pd(pd)
image.pop_attrs()
def collect_program_element(program_el, ignore_name, namespace, image,
machine, bootinfo, pools):
"""Collect the attributes of a program element."""
# New namespace for objects living in the program's PD.
prog_namespace = namespace.add_namespace(program_el.name)
pd = weaver.bootinfo.PD(program_el.name, prog_namespace, image,
machine, pools)
elf = UnpreparedElfFile(filename=program_el.file)
if elf.elf_type != ET_EXEC:
raise MergeError, "All the merged ELF files must be of EXEC type."
bootinfo.add_elf_info(name = program_el.file,
elf_type = image.PROGRAM,
entry_point = elf.entry_point)
pd.elf = elf
virtpool = getattr(program_el, 'virtpool', None)
physpool = getattr(program_el, 'physpool', None)
direct = getattr(program_el, 'direct', None)
pd.set_platform_control(getattr(program_el, "platform_control", False))
if hasattr(program_el, 'pager'):
pager = make_pager_attr(program_el.pager)
else:
pager = None
# Push the overriding attributes for the program.
image.push_attrs(virtual = virtpool,
physical = physpool,
pager = pager,
direct = direct)
pd.set_default_pools(image, bootinfo)
# Collect the object environment
env = collect_environment_element(program_el.find_child('environment'),
prog_namespace, machine, pools,
image, bootinfo)
segment_els = program_el.find_all_children("segment")
segs = collect_elf_segments(elf,
image.PROGRAM,
segment_els,
program_el.name,
prog_namespace,
image,
machine,
pools)
segs_ms = [bootinfo.record_segment_info(program_el.name, seg,
image, machine, pools)
for seg in segs]
for seg_ms in segs_ms:
pd.attach_memsection(seg_ms)
# Record any patches being made to the program.
patch_els = program_el.find_children("patch")
collect_patches(elf, patch_els, program_el.file, image)
# Collect the main thread.
thread = collect_thread(elf, program_el, ignore_name, prog_namespace,
image, machine, pools,
entry = elf.entry_point,
name = program_el.name,
namespace_thread_name = "main")
pd.add_thread(thread)
pd.set_server_thread(thread)
# Add the virtual device elements
# Virtual devices always get added to the global namespace because they
# should be globally unique
server_spawn_nvdevs = 0
dev_ns = namespace.root.get_namespace("dev")
if dev_ns is None:
raise MergeError, "Device namespace does not exist!"
for v_el in program_el.find_children('virt_device'):
virt_dev = pd.add_virt_dev(v_el.name, program_el.name, pd,
thread, server_spawn_nvdevs)
create_alias_cap(virt_dev, dev_ns)
server_spawn_nvdevs += 1
# Record the main thread and its stack in the environment.
env.add_entry(key = "MAIN",
cap_name = 'main/master')
env.add_entry(key = "MAIN/STACK",
cap_name = 'main/stack/master',
attach = thread.get_stack().get_attrs().attach)
# If marked, sure that the program is exported to every
# environment so that it can be found by other programs.
#
if hasattr(program_el, 'server'):
bootinfo.add_server(
key = program_el.server,
cap_name = prog_namespace.abs_name('main') + '/stack/master')
# Collect remaining threads.
elf = pd.elf = pd.elf.prepare(image.wordsize, image.endianess)
for thread_el in program_el.find_children('thread'):
if not ignore_name.match(thread_el.name):
thread = collect_thread(elf, thread_el, ignore_name,
prog_namespace, image, machine, pools,
entry = "_thread_start")
pd.add_thread(thread)
# Record the thread and its stack in the environment.
env.add_entry(key = thread.get_name(),
cap_name = thread.get_name() + '/master')
env.add_entry(key = thread.get_name() + "/STACK",
cap_name = thread.get_name() + '/stack/master',
attach = thread.get_stack().get_attrs().attach)
# Collect any other memsections in the program.
for ms_el in program_el.find_children('memsection'):
if not ignore_name.match(ms_el.name):
ms = collect_memsection_element(ms_el, ignore_name,
prog_namespace, image,
machine, pools)
pd.attach_memsection(ms)
image.add_group(0, [ms.get_ms()])
env.add_entry(key = ms.get_name(),
cap_name = ms.get_name() + '/master',
attach = ms.get_attrs().attach)
# Collect any zones in the program.
for zone_el in program_el.find_children('zone'):
(zone, non_zone_ms) = \
collect_zone_element(zone_el, ignore_name,
prog_namespace, pools, image,
bootinfo, machine)
pd.attach_zone(zone)
# Attach memsections that aren't part of the zone to the program.
for ms in non_zone_ms:
pd.attach_memsection(ms)
image.add_group(0, [ms.get_ms()])
env.add_entry(key = ms.get_name(),
cap_name = ms.get_name() + '/master',
attach = ms.get_attrs().attach)
# Collect the heap. Is there no element, create a fake one for
# the collection code to use.
heap_el = program_el.find_child('heap')
if heap_el is None:
heap_el = ParsedElement('heap')
heap_ms = collect_memsection_element(heap_el, ignore_name,
prog_namespace, image,
machine, pools)
pd.attach_heap(heap_ms)
image.add_group(0, [heap_ms.get_ms()])
# Fill env with default values.
env.add_entry(key = "HEAP",
cap_name = 'heap/master',
attach = heap_ms.get_attrs().attach)
env.add_entry(key = "HEAP_BASE",
base = heap_ms)
env.add_entry(key = "HEAP_SIZE",
value = heap_ms.get_attrs().size)
pd.add_environment(env)
bootinfo.add_pd(pd)
image.pop_attrs()
def collect_xml(self, okl4_el, ignore_name, namespace, machine, pools,
kernel, image):
"""Handle an Iguana Server Compound Object"""
self.cell = \
kernel.register_cell(okl4_el.name,
okl4_el.kernel_heap,
max_caps = getattr(okl4_el, "caps", None),
max_priority = getattr(okl4_el, "max_priority", None))
self.name = okl4_el.name
self.namespace = namespace.add_namespace(self.name)
self.space = \
self.cell.register_space(self.namespace, "MAIN",
is_privileged = True,
max_clists = getattr(okl4_el,
"clists", None),
max_spaces = getattr(okl4_el,
"spaces", None),
max_mutexes = getattr(okl4_el,
"mutexes", None),
max_threads = getattr(okl4_el,
"threads", None),
max_priority = getattr(okl4_el,
"max_priority", None),
plat_control = \
getattr(okl4_el,
"platform_control", False))
image.push_attrs(virtual=getattr(okl4_el, "virtpool", None),
physical=getattr(okl4_el, "physpool", None),
pager=make_pager_attr(getattr(okl4_el, "pager",
None)),
direct=getattr(okl4_el, "direct", None))
(self.def_virtpool, self.def_physpool) = image.current_pools()
self.collect_mutexes(okl4_el, self.namespace, self.space)
env_el = okl4_el.find_child("environment")
self.env = CellEnvironment(okl4_el.name, self.namespace, machine,
image, kernel, self.space.mappings)
if env_el != None:
self._collect_environment(env_el, self.env)
# Set these up now even though we can't actually assign values
# till later
self.phys_attrs = image.new_attrs(
self.namespace.add_namespace("default_physpool"))
self.phys_attrs.attach = PF_R | PF_W | PF_X
self.phys_attrs.mem_type = self.phys_attrs.unmapped
mapping = self.space.register_mapping(self.phys_attrs)
self.env.add_physmem_segpool_entry("MAIN_PHYSMEM_SEGPOOL", mapping)
self.virt_attrs = image.new_attrs(
self.namespace.add_namespace("default_virtpool"))
self.env.add_virtmem_pool_entry("MAIN_VIRTMEM_POOL", self.virt_attrs)
self.space.utcb = image.new_attrs(
self.namespace.add_namespace("main_utcb_area"))
self.space.utcb.attach = PF_R
filename = os.path.join(okl4_el._path, okl4_el.file)
self.elf = UnpreparedElfFile(filename=filename)
if self.elf.elf_type != ET_EXEC:
raise MergeError("All the merged ELF files must be of EXEC type.")
# Find out which version of libokl4 that the cell was built
# against
sym = self.elf.find_symbol("okl4_api_version")
if sym == None:
raise MergeError(
"Unable to locate the symbol 'okl4_api_version' in file \"%s\". Cells must link with libokl4."
% filename)
self.api_version = self.elf.get_value(sym.value, sym.size,
self.elf.endianess)
if self.api_version == None:
raise MergeError(
"Unable to read the symbol 'okl4_api_version' in file \"%s\". Cells must link with libokl4."
% filename)
self.env.add_elf_info_entry(os.path.basename(okl4_el.file),
image.PROGRAM, self.elf.entry_point)
segment_els = okl4_el.find_children("segment")
segs = collect_elf_segments(self.elf, image.PROGRAM, segment_els,
filename, [], self.namespace, image,
machine, pools)
self.elf_prog_segments = segs
for seg in segs:
self.env.add_elf_segment_entry(
okl4_el.name + '.' + seg.attrs.ns_node.name, seg.segment)
seg_ns = seg.attrs.ns_node
mapping = self.space.register_mapping(seg.attrs)
self.add_standard_mem_caps(seg_ns, mapping, seg.attrs)
patch_els = okl4_el.find_children("patch")
collect_patches(self.elf, patch_els, filename, image)
# Record any IRQs that are assigned to the initial program.
for irq_el in okl4_el.find_children("irq"):
self.space.register_irq(irq_el.value)
self.env.add_device_irq_list("NO_DEVICE",
[irq_el.value for irq_el \
in okl4_el.find_children("irq")])
# Collect the implicit thread
if not hasattr(okl4_el, 'priority'):
okl4_el.priority = kernel.kernel.MAX_PRIORITY
threads = []
threads.append(
self.collect_thread(self.elf, okl4_el, self.namespace, image,
machine, pools, kernel, self.space,
self.elf.entry_point, "main", True))
# FIXME: Need to check up on actual entry point's
for thread_el in okl4_el.find_children("thread"):
threads.append(
self.collect_thread(self.elf,
thread_el,
self.namespace,
image,
machine,
pools,
kernel,
self.space,
"thread_start",
cell_create_thread=True))
device_mem = \
self.collect_use_devices(okl4_el, self.space,
self.namespace, image,
machine, pools)
memsection_objs = \
self.collect_memsections(okl4_el, self.space,
self.namespace, image, machine, pools)
# Collect all data for any extra spaces defined in the XML
for space_el in okl4_el.find_children("space"):
space_ns = self.namespace.add_namespace(space_el.name)
space = self.cell.register_space(space_ns, space_el.name,
max_priority = getattr(space_el, "max_priority", \
getattr(okl4_el, "max_priority", None)))
image.push_attrs(virtual=getattr(space_el, "virtpool", None),
physical=getattr(space_el, "physpool", None),
pager=make_pager_attr(
getattr(space_el, "pager", None)),
direct=getattr(space_el, "direct", None))
for thread_el in space_el.find_children("thread"):
threads.append(
self.collect_thread(self.elf,
thread_el,
space_ns,
image,
machine,
pools,
kernel,
space,
"thread_start",
cell_create_thread=True))
self.collect_mutexes(space_el, space_ns, space)
device_mem.extend(
self.collect_use_devices(space_el, space, space_ns, image,
machine, pools))
memsection_objs.extend(
self.collect_memsections(space_el, space, space_ns, image,
machine, pools))
self.env.add_kspace_entry(space_el.name + "_KSPACE", space)
space.utcb = image.new_attrs(
space_ns.add_namespace(space_el.name + "_utcb_area"))
space.utcb.attach = PF_R
# Weave a kclist for the main space.
main_kclist = self.env.add_kclist_entry("MAIN_KCLIST", self.cell)
# Weave the root kspace object.
main_kspace = self.env.add_kspace_entry("MAIN_KSPACE", self.space)
# Weave the root protection domain object.
self.env.add_pd_entry("MAIN_PD", self.space, main_kspace, 32,
machine.min_page_size(), self.elf)
# Find heap and add it
heap_el = okl4_el.find_child('heap')
if heap_el is None:
heap_el = ParsedElement('heap')
heap_attr = collect_memobj_attrs(heap_el, self.namespace, image,
machine)
if heap_attr.size == None:
heap_attr.size = DEFAULT_HEAP_SIZE
self.heap_ms = image.add_memsection(heap_attr, machine, pools)
self.cell.heap = self.heap_ms.attrs
mapping = self.space.register_mapping(self.heap_ms.attrs)
self.add_standard_mem_caps(heap_attr.ns_node, mapping, heap_attr)
self.elf_segments = \
[thread.get_stack_ms() for thread in threads] + \
[self.heap_ms] + memsection_objs + device_mem
self.env.add_kernel_info_entry(0, 0, kernel)
# Add command line arguments
commandline_el = okl4_el.find_child("commandline")
if commandline_el is not None:
args = [
arg_el.value for arg_el in commandline_el.find_children("arg")
]
else:
args = []
self.env.add_arg_list(args)
self.cell.env = self.env
def collect_xml(self, okl4_el, ignore_name, namespace, machine,
pools, kernel, image):
"""Handle an Iguana Server Compound Object"""
self.cell = \
kernel.register_cell(okl4_el.name,
okl4_el.kernel_heap,
max_caps = getattr(okl4_el, "caps", None),
max_priority = getattr(okl4_el, "max_priority", None))
self.name = okl4_el.name
self.namespace = namespace.add_namespace(self.name)
self.space = \
self.cell.register_space(self.namespace, "MAIN",
is_privileged = True,
max_clists = getattr(okl4_el,
"clists", None),
max_spaces = getattr(okl4_el,
"spaces", None),
max_mutexes = getattr(okl4_el,
"mutexes", None),
max_threads = getattr(okl4_el,
"threads", None),
max_priority = getattr(okl4_el,
"max_priority", None),
plat_control = \
getattr(okl4_el,
"platform_control", False))
image.push_attrs(
virtual = getattr(okl4_el, "virtpool", None),
physical = getattr(okl4_el, "physpool", None),
pager = make_pager_attr(getattr(okl4_el, "pager", None)),
direct = getattr(okl4_el, "direct", None))
(self.def_virtpool, self.def_physpool) = image.current_pools()
self.collect_mutexes(okl4_el, self.namespace, self.space)
env_el = okl4_el.find_child("environment")
self.env = CellEnvironment(okl4_el.name, self.namespace,
machine, image, kernel, self.space.mappings)
if env_el != None:
self._collect_environment(env_el, self.env)
# Set these up now even though we can't actually assign values
# till later
self.phys_attrs = image.new_attrs(self.namespace.add_namespace("default_physpool"))
self.phys_attrs.attach = PF_R | PF_W | PF_X
self.phys_attrs.mem_type = self.phys_attrs.unmapped
mapping = self.space.register_mapping(self.phys_attrs)
self.env.add_physmem_segpool_entry("MAIN_PHYSMEM_SEGPOOL", mapping)
self.virt_attrs = image.new_attrs(self.namespace.add_namespace("default_virtpool"))
self.env.add_virtmem_pool_entry("MAIN_VIRTMEM_POOL", self.virt_attrs)
self.space.utcb = image.new_attrs(self.namespace.add_namespace("main_utcb_area"))
self.space.utcb.attach = PF_R
filename = os.path.join(okl4_el._path, okl4_el.file)
self.elf = UnpreparedElfFile(filename=filename)
if self.elf.elf_type != ET_EXEC:
raise MergeError("All the merged ELF files must be of EXEC type.")
# Find out which version of libokl4 that the cell was built
# against
sym = self.elf.find_symbol("okl4_api_version")
if sym == None:
raise MergeError("Unable to locate the symbol 'okl4_api_version' in file \"%s\". Cells must link with libokl4." % filename)
self.api_version = self.elf.get_value(sym.value, sym.size,
self.elf.endianess)
if self.api_version == None:
raise MergeError("Unable to read the symbol 'okl4_api_version' in file \"%s\". Cells must link with libokl4." % filename)
self.env.add_elf_info_entry(os.path.basename(okl4_el.file),
image.PROGRAM, self.elf.entry_point)
segment_els = okl4_el.find_children("segment")
segs = collect_elf_segments(self.elf, image.PROGRAM, segment_els,
filename, [], self.namespace, image,
machine, pools)
self.elf_prog_segments = segs
for seg in segs:
self.env.add_elf_segment_entry(okl4_el.name + '.' + seg.attrs.ns_node.name,
seg.segment)
seg_ns = seg.attrs.ns_node
mapping = self.space.register_mapping(seg.attrs)
self.add_standard_mem_caps(seg_ns, mapping, seg.attrs)
patch_els = okl4_el.find_children("patch")
collect_patches(self.elf, patch_els, filename, image)
# Record any IRQs that are assigned to the initial program.
for irq_el in okl4_el.find_children("irq"):
self.space.register_irq(irq_el.value)
self.env.add_device_irq_list("NO_DEVICE",
[irq_el.value for irq_el \
in okl4_el.find_children("irq")])
# Collect the implicit thread
if not hasattr(okl4_el, 'priority'):
okl4_el.priority = kernel.kernel.MAX_PRIORITY
threads = []
threads.append(self.collect_thread(self.elf, okl4_el, self.namespace,
image, machine, pools, kernel, self.space, self.elf.entry_point,
"main", True))
# FIXME: Need to check up on actual entry point's
for thread_el in okl4_el.find_children("thread"):
threads.append(self.collect_thread(self.elf, thread_el,
self.namespace, image, machine, pools, kernel,
self.space, "thread_start", cell_create_thread = True))
device_mem = \
self.collect_use_devices(okl4_el, self.space,
self.namespace, image,
machine, pools)
memsection_objs = \
self.collect_memsections(okl4_el, self.space,
self.namespace, image, machine, pools)
# Collect all data for any extra spaces defined in the XML
for space_el in okl4_el.find_children("space"):
space_ns = self.namespace.add_namespace(space_el.name)
space = self.cell.register_space(space_ns, space_el.name,
max_priority = getattr(space_el, "max_priority", \
getattr(okl4_el, "max_priority", None)))
image.push_attrs(
virtual = getattr(space_el, "virtpool", None),
physical = getattr(space_el, "physpool", None),
pager = make_pager_attr(getattr(space_el, "pager", None)),
direct = getattr(space_el, "direct", None))
for thread_el in space_el.find_children("thread"):
threads.append(self.collect_thread(self.elf, thread_el,
space_ns, image, machine, pools, kernel, space,
"thread_start", cell_create_thread = True))
self.collect_mutexes(space_el, space_ns, space)
device_mem.extend(
self.collect_use_devices(space_el, space,
space_ns, image, machine, pools))
memsection_objs.extend(
self.collect_memsections(space_el, space, space_ns, image,
machine, pools))
self.env.add_kspace_entry(space_el.name + "_KSPACE", space)
space.utcb = image.new_attrs(space_ns.add_namespace(space_el.name + "_utcb_area"))
space.utcb.attach = PF_R
# Weave a kclist for the main space.
main_kclist = self.env.add_kclist_entry("MAIN_KCLIST", self.cell)
# Weave the root kspace object.
main_kspace = self.env.add_kspace_entry("MAIN_KSPACE", self.space)
# Weave the root protection domain object.
self.env.add_pd_entry("MAIN_PD", self.space, main_kspace, 32,
machine.min_page_size(), self.elf)
# Find heap and add it
heap_el = okl4_el.find_child('heap')
if heap_el is None:
heap_el = ParsedElement('heap')
heap_attr = collect_memobj_attrs(heap_el, self.namespace,
image, machine)
if heap_attr.size == None:
heap_attr.size = DEFAULT_HEAP_SIZE
self.heap_ms = image.add_memsection(heap_attr, machine, pools)
self.cell.heap = self.heap_ms.attrs
mapping = self.space.register_mapping(self.heap_ms.attrs)
self.add_standard_mem_caps(heap_attr.ns_node,
mapping, heap_attr)
self.elf_segments = \
[thread.get_stack_ms() for thread in threads] + \
[self.heap_ms] + memsection_objs + device_mem
self.env.add_kernel_info_entry(0, 0, kernel)
# Add command line arguments
commandline_el = okl4_el.find_child("commandline")
if commandline_el is not None:
args = [arg_el.value for arg_el in commandline_el.find_children("arg")]
else:
args = []
self.env.add_arg_list(args)
self.cell.env = self.env