Commit Graph

12 Commits

Author SHA1 Message Date
Stefan Kalkowski
e081554731 hw: kernel backed capabilities (Fix #1443) 2015-05-26 09:40:04 +02:00
Stefan Kalkowski
e61a3db30d hw: separate function declaration/implementation
Move kernel object functions from its headers to compilation units,
thereby reducing the kernel's text section, cache, and TLB footprint.

Fix #1492
2015-05-06 10:55:23 +02:00
Christian Helmuth
98def2488a thread: move Thread_base::myself() to separate file
The thread library (thread.cc) in base-foc shared 95% of the code with
the generic implementation except myself(). Therefore, its
implementation is now separated from the other generic sources into
myself.cc, which allows base-foc to use a foc-specific primitive to
enable our base libraries in L4Linux.

Issue #1491
2015-05-06 10:55:17 +02:00
Stefan Kalkowski
a168c9d6ce core: remove global capability id counter
The global capability ID counter is not used by NOVA and Fiasco.OC
and in the future not needed by base-hw too. Thereby, remove the static
counter variable from the generic code base and add it where appropriated.

Ref #1443
2015-04-17 16:13:19 +02:00
Stefan Kalkowski
657646e76e hw: adjust core bootstrap to fit generic process
* Introduce hw-specific crt0 for core that calls e.g.: init_main_thread
* re-map core's main thread UTCB to fit the right context area location
* switch core's main thread's stack to fit the right context area location

Fix #1440
2015-03-19 08:57:19 +01:00
Stefan Kalkowski
7582396e9c hw_arndale: enable ARM virtualization extensions
* enables world-switch using ARM virtualization extensions
* split TrustZone and virtualization extensions hardly from platforms,
  where it is not used
* extend 'Vm_session' interface to enable configuration of guest-physical memory
* introduce VM destruction syscall
* add virtual machine monitor for hw_arndale that emulates a simplified version
  of ARM's Versatile Express Cortex A15 board for a Linux guest OS

Fixes #1405
2015-02-27 11:48:05 +01:00
Martin Stein
63f8a38b5a hw: default boot-modules vpath is generic
Ref #1404
2015-02-16 13:40:36 +01:00
Martin Stein
b8ba3a7a22 hw: rename Kernel::Processor Kernel::Cpu
Kernel::Processor was a confusing remnant from the old scheme where we had a
Processor_driver (now Genode::Cpu) and a Processor (now Kernel::Cpu).
This commit also updates the in-code documentation and the variable and
function naming accordingly.

fix #1274
2014-11-28 12:02:35 +01:00
Martin Stein
b3bc9bd549 hw: idle execution context is no thread anymore
Previously, Idle_thread inherited from Thread which caused an extra
processor_pool.h and processor_pool.cc and also made class models for
processor and scheduling more complex. However, this inheritance makes
not much sense anyway as an idle context doesn't trigger most of the code
in Thread.

ref #1225
2014-11-28 12:02:34 +01:00
Martin Stein
9da42dde2f hw & arm_v7: mode transition via transit ttbr0
Previously, we did the protection-domain switches without a transitional
translation table that contains only global mappings. This was fine as long
as the CPU did no speculative memory accesses. However, to enabling branch
prediction triggers such accesses. Thus, if we don't want to invalidate
predictors on every context switch, we need to switch more carefully.

ref #474
2014-08-15 10:19:48 +02:00
Martin Stein
a5cf09fa6e hw: re-organize file structure
fix #1197
2014-08-15 10:19:48 +02:00
Martin Stein
6cb9559feb hw: core as library
The build config for core is now provided through libraries to enable
implicit config composition through specifiers and thereby avoid
consideration of inappropriate targets.

fix #1199
2014-07-24 10:18:06 +02:00