Subject: CVS commit: syssrc
To: None <source-changes@netbsd.org>
From: Jason R Thorpe <thorpej@netbsd.org>
List: source-changes
Date: 04/28/2001 09:10:51
Module Name:	syssrc
Committed By:	thorpej
Date:		Sat Apr 28 06:10:50 UTC 2001

Modified Files:
	syssrc/sys/arch/alpha/alpha: clock.c interrupt.c ipifuncs.c machdep.c
	syssrc/sys/arch/alpha/conf: files.alpha
	syssrc/sys/arch/alpha/include: cpu.h intr.h
Added Files:
	syssrc/sys/arch/alpha/alpha: microtime.c

Log Message:
Add a microtime() implementation that interpolates between ticks
using the cycle counter.  MP-safeness is achieved by giving each
CPU its own PCC frequency variables, and kicking the non-primary
processors via an IPI once per second.

Based on the sample code from David Mills' "A Kernel Model for
Precision Timekeeping".


To generate a diff of this commit:
cvs rdiff -r1.29 -r1.30 syssrc/sys/arch/alpha/alpha/clock.c
cvs rdiff -r1.58 -r1.59 syssrc/sys/arch/alpha/alpha/interrupt.c
cvs rdiff -r1.27 -r1.28 syssrc/sys/arch/alpha/alpha/ipifuncs.c
cvs rdiff -r1.241 -r1.242 syssrc/sys/arch/alpha/alpha/machdep.c
cvs rdiff -r0 -r1.1 syssrc/sys/arch/alpha/alpha/microtime.c
cvs rdiff -r1.136 -r1.137 syssrc/sys/arch/alpha/conf/files.alpha
cvs rdiff -r1.55 -r1.56 syssrc/sys/arch/alpha/include/cpu.h
cvs rdiff -r1.46 -r1.47 syssrc/sys/arch/alpha/include/intr.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.