[src/netbsd-1-6]: src/sys/arch/sparc64/include Apply patch (requested by naka...

[grant <grant%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4defa939f4fd
branches:  netbsd-1-6
changeset: 530425:4defa939f4fd
user:      grant <grant%NetBSD.org@localhost>
date:      Tue Jun 24 09:30:52 2003 +0000

description:
Apply patch (requested by nakayama in ticket #1329):

Switch to use cycle counter (%tick) based microtime().

This is derived from alpha/microtime.c and i386/tsc_microtime.c,
and will share with both ports.

diffstat:

 sys/arch/sparc64/include/cpu.h |  20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)

diffs (41 lines):

diff -r c513cad62493 -r 4defa939f4fd sys/arch/sparc64/include/cpu.h
--- a/sys/arch/sparc64/include/cpu.h    Tue Jun 24 09:30:09 2003 +0000
+++ b/sys/arch/sparc64/include/cpu.h    Tue Jun 24 09:30:52 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.h,v 1.31 2002/05/14 21:21:45 eeh Exp $ */
+/*     $NetBSD: cpu.h,v 1.31.4.1 2003/06/24 09:30:52 grant Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -101,6 +101,14 @@
        int                     ci_upaid;
        struct schedstate_percpu ci_schedstate; /* scheduler state */
 
+       /*
+        * Variables used by cc_microtime().
+        */
+       struct timeval ci_cc_time;
+       int64_t ci_cc_cc;
+       int64_t ci_cc_ms_delta;
+       int64_t ci_cc_denom;
+
        /* DEBUG/DIAGNOSTIC stuff */
        u_long                  ci_spin_locks;  /* # of spin locks held */
        u_long                  ci_simple_locks;/* # of simple locks held */
@@ -134,6 +142,16 @@
 #endif
 
 /*
+ * definitions for MI microtime().
+ */
+extern struct timeval cc_microset_time;
+#define microtime(tv)  cc_microtime(tv)
+void   cc_microtime __P((struct timeval *));
+void   cc_microset __P((struct cpu_info *));
+
+extern uint64_t cpu_clockrate[];
+
+/*
  * Arguments to hardclock, softclock and gatherstats encapsulate the
  * previous machine state in an opaque clockframe.  The ipl is here
  * as well for strayintr (see locore.s:interrupt and intr.c:strayintr).