Martin Stein 1208d14681 hw: use kernel timer for timer driver ... * Adds public timeout syscalls to kernel API * Kernel::timeout installs a timeout and binds a signal context to it that shall trigger once the timeout expired * With Kernel::timeout_max_us, one can get the maximum installable timeout * Kernel::timeout_age_us returns the time that has passed since the calling threads last timeout installation * Removes all device specific back-ends for the base-hw timer driver and implements a generic back-end taht uses the kernel timeout API * Adds assertions about the kernel timer frequency that originate from the requirements of the the kernel timeout API and adjusts all timers accordingly by using the their internal dividers * Introduces the Kernel::Clock class. As member of each Kernel::Cpu object it combines the management of the timer of the CPU with a timeout scheduler. Not only the timeout API uses the timeout scheduler but also the CPUs job scheduler for installing scheduling timeouts. * Introduces the Kernel::time_t type for timer tic values and values inherited from timer tics (like microseconds). Fixes #1972		2016-05-26 15:54:15 +02:00
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interface.h	hw: use kernel timer for timer driver	2016-05-26 15:54:15 +02:00
log.h	base: update include guards	2016-03-07 12:34:45 +01:00
types.h	hw: use kernel timer for timer driver	2016-05-26 15:54:15 +02:00