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* Add support for timeconting in userland.pirofti2020-07-061-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | This diff exposes parts of clock_gettime(2) and gettimeofday(2) to userland via libc eliberating processes from the need for a context switch everytime they want to count the passage of time. If a timecounter clock can be exposed to userland than it needs to set its tc_user member to a non-zero value. Tested with one or multiple counters per architecture. The timing data is shared through a pointer found in the new ELF auxiliary vector AUX_openbsd_timekeep containing timehands information that is frequently updated by the kernel. Timing differences between the last kernel update and the current time are adjusted in userland by the tc_get_timecount() function inside the MD usertc.c file. This permits a much more responsive environment, quite visible in browsers, office programs and gaming (apparently one is are able to fly in Minecraft now). Tested by robert@, sthen@, naddy@, kmos@, phessler@, and many others! OK from at least kettenis@, cheloha@, naddy@, sthen@
* Convert sleeps of 1sec or more to tsleep_nsec(9).mpi2020-01-091-2/+3
| | | | ok bluhm@
* Add support for the VIA VX900 chipset in viapm(4).fcambus2018-07-051-3/+4
| | | | OK kettenis@
* Avoid uninitiliazed use of ctl and corresponding warnings.haesbaert2012-10-051-1/+3
| | | | | | Part of the work to remove -Wno-uninitialized. ok kettenis@
* we are past the point where timecounters may disappeartedu2012-08-161-9/+1
| | | | ok miod
* Merge viapm and viaenvshadchin2011-04-101-98/+475
| | | | | | | | Pluses: - Add support SMBus for VT82C596, VT82C596B, VT82C686A, VT8231 - Add support ACPI timer for all VIA South Bridges ok deraadt@, tested sthen@
* these files don't need to include proc.h anymore. ok oga for agptedu2010-04-081-2/+1
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* add the VIA VX855 chipsetkevlo2009-06-261-2/+3
| | | | ok deraadt@
* add the VIA CX800 south bridge.kevlo2009-06-111-2/+3
| | | | | | tested on the eNOTE VED8900. ok deraadt@
* make various strings ("can't map mem space" and similar) more consistentsthen2009-03-291-2/+2
| | | | | | | between instances, saving space in the kernel. feedback from many (some incorporated, some left for future work). ok deraadt, kettenis, "why not" miod.
* Add the VIA VT8237S south bridge.brad2008-02-171-1/+2
| | | | | | Tested by António Marques <froz at icix dot org> with a ASUS M2V-MX board. ok dlg@
* convert lockmgr style locks to rwlocks.dlg2007-05-031-6/+6
| | | | input from art@
* Match on VT8237A/VT8251/CX700 like the equivalent Linux driver does.jsg2007-04-291-2/+5
| | | | ok kettenis@
* do not bus_space_map devices which are at address 0; ok kettenisderaadt2006-12-111-2/+3
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* Don't start new command if bus is busy and kill command on timeout.kettenis2006-01-121-7/+27
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* switch from macppc-specific maciic(4) driver to the generic iic(4),deraadt2006-01-011-2/+3
| | | | | after teaching it to use a function pointer to get back to the OFW scan.. this will also help the sparc64 later; ok kettenis
* Adjust for renamed VIA VT8233 PCI ID's.kettenis2006-01-011-3/+3
| | | | ok brad@, deraadt@
* Some spaces->tab indentation fixes.jsg2005-12-301-4/+4
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* Driver for SMBus coontroller integrated on VIA VT8237 bus control and powerkettenis2005-12-291-0/+380
management controller. ok deraadt@
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