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Driver definitions which are used by kernel/core in base-hw, and also by other drivers (e.g. from the os repository) have to reside in the generic base-repository, for instance some uart drivers. All drivers which are interesting for one of the sites only (sp804 for timer driver, or cortex_a9 cpu driver for base-hw) should reside in the respective repos. Factorize cpu context out of Cortex A9 specific definitions. Moreover, there is already a Cpu_state object containing all common ARM registers. We use this as a base for the cpu context switching done by the base-hw kernel. The Cpu_state class get extended by a cpu-exception field, that stores the kind of exception raised when the corresponding context got interrupted. This information is used not only by the base-hw kernel, but also by the TrustZone VMM that is build currently. |
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| README | ||
This is the example operating system based on the Genode OS framework: :_Init_: is the first real process in the system. The provided implementation uses a very simple XML parser to read its configuration files. :_Drivers_: The example OS has basic drivers for frame buffer, mouse and keyboard input, the PCI bus, the real-time clock, and system-specific timers. :_Server_: The only server in the example OS is Nitpicker, a minimal-complexity GUI server. :_Test_: are also part of the example OS. You may have a look at the fork bomb as a simple system stress test. :_Ldso_: is the dynamic linker used for loading executables that are linked against shared libraries. :_Lib_: contains libraries used by the components of the OS repository, in particular the device-driver kit, the alarm framework, and support for dynamic linking.