Commit Graph

29 Commits

Author SHA1 Message Date
Norman Feske
73ab30c22c Update copyright headers to 2013 2013-01-10 21:44:47 +01:00
Alexander Boettcher
c2d3543e62 base: replace obj_by_* by lookup_and_lock
Add functionality to lookup an object and lock it. Additional the case is
handled that a object may be already in-destruction and the lookup will deny
returning the object.

The object_pool generalize the lookup and lock functionality of the rpc_server
and serve as base for following up patches to fix dangling pointer issues.
2013-01-10 11:13:13 +01:00
Norman Feske
0dbb5e1696 Propagate 'Range_allocator::alloc_aligned' errors
This patch reflects eventual allocation errors in a more specific way to
the caller of 'alloc_aligned', in particular out-of-metadata and
out-of-memory are considered as different conditions.

Related to issue #526.
2012-11-28 22:51:09 +01:00
Martin Stein
05f5999e71 cpu_session: Access thread state by value 2012-11-23 12:20:22 +01:00
Norman Feske
959df5d46b Generalize handling of PD-session arguments
On Linux, we want to attach additional attributes to processes, i.e.,
the chroot location, the designated UID, and GID. Instead of polluting
the generic code with such Linux-specific platform details, I introduced
the new 'Native_pd_args' type, which can be customized for each
platform. The platform-dependent policy of init is factored out in the
new 'pd_args' library.

The new 'base-linux/run/lx_pd_args.run' script can be used to validate
the propagation of those attributes into core.

Note that this patch does not add the interpretation of the new UID and
PID attributes by core. This will be subject of a follow-up patch.

Related to #510.
2012-11-21 20:04:07 +01:00
Norman Feske
bcabbe2c92 Add 'Thread_base::join()'
Using the new 'join()' function, the caller can explicitly block for the
completion of the thread's 'entry()' function. The test case for this
feature can be found at 'os/src/test/thread_join'. For hybrid
Linux/Genode programs, the 'Thread_base::join()' does not map directly
to 'pthread_join'. The latter function gets already called by the
destructor of 'Thread_base'. According to the documentation, subsequent
calls of 'pthread_join' for one thread may result in undefined behaviour.
So we use a 'Genode::Lock' on this platform, which is in line with the
other platforms.

Related to #194, #501
2012-11-19 12:43:34 +01:00
Martin Stein
4794e97d80 base-pistachio: Avoid warnings.
Avoid warnings in 'base-pistachio/src/core/platform_pd.cc'
and 'base-pistachio/src/core/platform_thread.cc'.

Fixes #479.
2012-11-14 16:54:44 +01:00
Martin Stein
91c27f3f72 base: Tell a mapping wether it maps IO memory. 2012-11-14 16:36:51 +01:00
Christian Helmuth
45f007fa9f Shell brace expansion is non-POSIX
Preparation of base-pistachio fails on Ubuntu with dash as /bin/sh as it
does not support non-POSIX features like brace expansion. In this case
expanding in the Makefile via $(addprefix ...) fixes this shortcoming.
2012-10-31 23:07:58 +01:00
Norman Feske
2a03c78dfb Update L4ka::Pistachio, fix gcc-4.7 problem
With the update to L4ka::Pistachio, we no longer need to patch the
contrib sources. Our patch went upstream in the meanwhile.

Apparently, gcc-4.7 is picky about specifying the '-melf_i386' argument
at the command line of the GCC frontend. We need to make sure to use the
'-Wl,' prefix.
2012-10-31 18:47:43 +01:00
Stefan Kalkowski
dc3d784e6d Introduce platform-specific services for core
By now all services in core where created, and registered in the generic
main routine. Although there exists already a x86-specific service (I/O ports)
there was no possibility to announce core-services for certain platforms only.
This commit introduces a hook function in the 'Platform' class, that enables
registration of platform-specific services. Moreover, the io-port service
is offered on x86 platforms only now.
2012-10-29 10:08:29 +01:00
Christian Prochaska
1c064d9e70 core: implement missing context area functions
This patch implements the following functions:

base:
- Context_area_rm_session::detach()
- Context_area_ram_session::free()

base-nova:
- unmap_local()

base-fiasco, base-pistachio:
- unmap_local() stub

This patch partially resolves issue #394.
2012-10-24 11:34:39 +02:00
Norman Feske
4a1b545770 Move 'Child' API implementation to library 2012-10-09 13:45:33 +02:00
Alexander Boettcher
ea38aad30e Move context area definition to native_type 2012-09-24 09:17:54 +02:00
Norman Feske
83bdfea9b0 Extend Cpu_session with thread-affinity API
This patch introduces the functions 'affinity' and 'num_cpus' to the CPU
session interface. The interface extension will allow the assignment of
individual threads to CPUs. At this point, it is just a stub with no
actual platform support.
2012-09-05 10:25:04 +02:00
Martin Stein
9369057f90 Extend RAM/CPU session for base-hw context-areas. 2012-08-02 16:41:21 +02:00
Josef Söntgen
d9d22fbf75 Pistachio: fix usage of wrong python version
The CML2 configuration system calls 'evn python' and expects version
2.x. So we check if python2 is installed when preparing Pistachio and
use the found version instead.

Fixes #264.
2012-07-02 14:17:23 +02:00
Christian Helmuth
36ae42b8ff Check for required tools on 'make prepare'
Fixes #221.
2012-05-29 13:55:00 +02:00
Norman Feske
d6e30c19de Replace 'Native_capability::copy_to' by accessor
The 'copy_to' function turned out to be not flexible enough to
accommodate the Noux fork mechanism. This patch removes the function,
adds an accessor for the capability destination and a compound type
'Native_capability::Raw' to be used wherever plain capability
information must be communicated.
2012-03-28 09:58:51 +02:00
Stefan Kalkowski
ae8cf5f44d Rename tid() to dst() in Native_capability.
As suggested by Norman in the discussion of issue #145, this commit
renames the tid() accessor in Native_capability to dst().
2012-03-10 15:52:19 +01:00
Stefan Kalkowski
42b7c01685 Unify policy name for Native_capability_tpl.
This commit unifies the policy name for the template argument for
Native_capability_tpl to Cap_dst_policy, like suggested by Norman in the
discussion resulting from issue #145. Moreover, it takes the memcpy
operation for copying a Native_capability out of the template, which is
included by a significant bunch of files, and separates it in a library,
analog to the suggestion in issue #145.
2012-03-10 15:52:13 +01:00
Norman Feske
35384faa7a Follow-up tweaks for issue #145
Because we use to pass a policy class to 'Native_capability_tpl'
we can pass the dst type as part of the policy instead of as
a separate template argument. This patch also adds documentation
of the POLICY interface as expected by 'Native_capability_tpl'.
2012-03-08 19:28:32 +01:00
Stefan Kalkowski
c9c21ad39c Merge Native_capability implementations (fix #145).
This patch unifies the Native_capability classes for the different kernel
platforms by introducing an appropriate template, and eliminating naming
differences. Please refer issue #145.
2012-03-08 18:42:39 +01:00
Stefan Kalkowski
9992efed03 Don't memcpy the parent capability. Fix #144.
To give the platform developer more freedom in how the Native_capability
class is internally implemented (e.g. turning it into a smart-pointer),
this patch removes the memcpy operation, when transfering the parent-capability
to a new process from the generic code, and let the implementation of the
platform-specific Native_capability decide how the transfer has to be done.
Please refer to issue #144.
2012-03-08 18:41:38 +01:00
Stefan Kalkowski
fa377f0df5 Make local capability interface explicit. Fix #139.
Introduce a factory-, and dereference method for local capabilities. These are
capabilities that reference objects of services, which are known to be used
protection-domain internally only. To support the new Capability class methods
a protected constructor and accessor to the local object's pointer is needed
in the platform's capability base-classes. For further discussion details please
refer issue #139.
2012-03-08 18:40:48 +01:00
Norman Feske
e4cb3ed929 Follow-up for spin-lock unification, ref #123 2012-03-01 10:57:05 +01:00
Norman Feske
4e3be6b146 Pistachio: make sure to generate global thread IDs
The kernel distinguishes local from global IDs by looking at the lowest
6 bits of the thread ID (i.e., in 'L4_ThreadControl'). If those bits are
zero, the ID is interpreted as a local ID. Because those zero bits
overlap with the version bits of global IDs, this invariant could be
violated once the version of a global ID reaches 64. In this case,
'L4_ThreadControl' will return an error on the attempt to create a new
PD. To prevent this from happening, we always set the lowest bit to 1.
2012-02-25 14:40:49 +01:00
Norman Feske
08ce32215d Bump year in copyright headers to 2012 2012-01-03 15:35:05 +01:00
Genode Labs
da4e1feaa5 Imported Genode release 11.11 2011-12-22 16:19:25 +01:00