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With planned removal of Thread:: exceptions, we need to consider that a 'Thread' object may exist without a valid 'Stack' and therefore without a valid 'Native_thread', which is hosted as part of the 'Stack'. This patch reworks the code that accesses the 'Native_thread' to use the new 'Thread::with_native_thread' interface. Within the local scope, the native thread is referred to as 'nt'. The _init_platform_thread and _deinit_platform_thread() have been replaced by _init_native_thread and _deinit_native_thread, which take a 'Stack &' as argument. As a safety caution, 'Native_thread' objects can no longer be copied. Issue #5245
This is the generic Genode base system, which consists of two parts: :_Core_: is the root of the Genode component tree. It provides abstractions for the lowest-level hardware resources such as RAM, ROM, CPU, and device access. All generic parts of core can be found here. For kernel-specific parts, refer to the appropriate 'base-<kernel>' directory. :_Base libraries and interfaces: that are used by each Genode component to interact with other components. This is the glue that holds everything together. Depending on the used kernel, core may export information about the hardware platform as a ROM called 'platform_info'. For example, if the ACPI RSDT and XSDT physical pointer are reported by the used kernel and/or bootloader, core provides this information in the ROM as follows. !<platform_info> ! <acpi revision="2" rsdt="0x1fe93074" xsdt="0x1fe930e8"/> ! <boot> ! <framebuffer phys="0x7300000" width="1024" height="768" bpp="32"/> ! </boot> !</platform_info> If the graphics device is initialised and can be directly used by a framebuffer driver, core provides the physical pointer to the framebuffer, the resolution, and color depth in bits.