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[detail level 123]

Introduction	The intention of this section is to provide a short overview about the L4Re Operating System Framework
Tutorial	This tutorial assumes that the reader is familiar with the basic L4 concepts that were discussed in the Introduction section
▼Programming for L4Re	This part of the documentation discusses the concept of microkernel-based programming in more detail
L4 Inter-Process Communication (IPC)	Inter-process communication (IPC) is the fundamental communication mechanism in the L4Re Microkernel
Capabilities and Naming	The L4Re system is a capability based system which uses and offers capabilities to implement fine-grained access control
Spaces and Mappings	Each task in the L4Re system has access to two resource spaces (three on IA32) which are maintained by the kernel
Initial Environment and Application Bootstrapping	New applications that are started by a loader conforming to L4Re get provided an Initial Environment
Memory management - Data Spaces and the Region Map
Program Input and Output	The initial environment provides a Vcon capability used as the standard input/output stream
Initial Memory Allocator and Factory	The purpose of the memory allocator and of the factory is to provide the application with the means to allocate memory (in the form of data spaces) and kernel objects respectively
Application and Server Building Blocks	So far we have discussed the environment of applications in which a single thread runs and which may invoke services provided through their initial objects
Pthread Support	L4Re supports the standard pthread library functionality
Interface Definition Language	An interface definition in L4Re is normally declared as a class derived from L4::Kobject_t
▼L4Re Build System	L4Re uses a custom make-based build system, often simply referred to as BID
prog.mk - Application Role	The prog role is used to build executable programs
include.mk - Header File Role	The header file role is responsible for installing header file at the appropriate location
test.mk - Test Application Role	The test role is very similar to the application role, it also builds an executable binary
Kernel Factory	The kernel factory is a kernel object that provides the ability to create new kernel objects dynamically
▼L4Re Servers	Here you shall find a quick overview over the standard services running on the L4Re Microkernel
Sigma0, the Root-Pager	Sigma0 is a special L4 server that serves as the origin for mapping memory
Moe, the Root-Task	Moe is the default root-task implementation for L4Re-based systems
Ned, the Init Process	Ned's job is to bootstrap the system running on L4Re
Io, the Io Server	The Io server handles all platform devices and resources such as I/O memory, ports (on x86) and interrupts, and grants access to those to clients
AHCI driver
Cons, the Console Multiplexer	Cons allows to multiplex console output from different L4 clients to different L4::Vcon-capable in/output servers
Mag, the GUI Multiplexer	Mag is the default multiplexer for graphics hardware
NVMe server
▼Uvmm, the virtual machine monitor	Uvmm provides a virtual machine for running an unmodified guest in non-privileged mode
RAM configuration
l4vio_net_p2p, a virtual network point-to-point link	The virtual network point-to-point server (p2p) connects two clients with a virtual network connection
Bootstrap, the L4 kernel bootstrapper
Deprecated List