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When building Genode for VEA9X4 as micro-hypervisor protected by the ARM TrustZone hardware we ran into limitations regarding our basic daily testing routines. The most significant is that, when speaking about RAM partitioning, the only available options are to configure the whole SRAM to be secure and the whole DDR-RAM to be non-secure or vice versa. The SRAM however provides only 32 MB which isn't enough for both a representative non-secure guest OS or a secure Genode that is still capable of passing our basic tests. This initiated our decision to remove the VEA9X4 TrustZone-support. Fixes #1351 |
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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.