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authorMichael Shalayeff <mickey@cvs.openbsd.org>1998-12-29 21:35:43 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1998-12-29 21:35:43 +0000
commit64313f28209a8fd5d1f414d9d8f7474360a48115 (patch)
tree836ba821abe776f5adc275009231dee5cbdaeb83 /sys/arch/hppa
parentc2c15d782dfe1eea48cc58fd0ed061fdaa06dcac (diff)
no microtime() yet
Diffstat (limited to 'sys/arch/hppa')
-rw-r--r--sys/arch/hppa/dev/clock.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/sys/arch/hppa/dev/clock.c b/sys/arch/hppa/dev/clock.c
new file mode 100644
index 00000000000..7ee0971758a
--- /dev/null
+++ b/sys/arch/hppa/dev/clock.c
@@ -0,0 +1,121 @@
+/* $OpenBSD: clock.c,v 1.1 1998/12/29 21:35:42 mickey Exp $ */
+
+/*
+ * Copyright (c) 1998 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/time.h>
+
+#include <dev/clock_subr.h>
+
+#include <machine/pdc.h>
+#include <machine/iomod.h>
+#include <machine/psl.h>
+#include <machine/intr.h>
+#include <machine/reg.h>
+#include <machine/cpufunc.h>
+#include <machine/autoconf.h>
+
+struct timeval time;
+
+void startrtclock __P((void));
+
+/*
+ * Return the best possible estimate of the current time.
+ */
+void
+microtime(tvp)
+ struct timeval *tvp;
+{
+
+}
+
+void
+cpu_initclocks()
+{
+ u_int time_inval;
+#ifdef USELEDS
+ static u_int hbcnt = 0;
+
+ if (!(hbcnt % 50)) {
+ register u_int r = (hbcnt / 50) % 6;
+
+ heartbeat(r < 4 && !(r % 2));
+ }
+#endif
+ /* Start the interval timer. */
+ mfctl(CR_ITMR, time_inval);
+ mtctl(time_inval + cpu_hzticks, CR_ITMR);
+}
+
+
+/*
+ * initialize the system time from the time of day clock
+ */
+void
+inittodr(t)
+ time_t t;
+{
+ static struct pdc_tod tod;
+
+ pdc_call((iodcio_t)PAGE0->mem_pdc, 1, PDC_TOD, PDC_TOD_READ,
+ &tod, 0, 0, 0, 0, 0);
+
+ time = *(struct timeval *)&tod;
+
+ if ((long)time.tv_sec < 0) {
+ time.tv_sec = SECYR * (1990 - 1970);
+ printf("WARNING: clock not initialized -- check and reset\n");
+ }
+}
+
+/*
+ * reset the time of day clock to the value in time
+ */
+void
+resettodr()
+{
+ static struct pdc_tod tod;
+
+ tod.sec = time.tv_sec;
+ tod.usec = time.tv_usec;
+
+ pdc_call((iodcio_t)PAGE0->mem_pdc, 1, PDC_TOD, PDC_TOD_WRITE, &tod);
+}
+
+void
+setstatclockrate(newhz)
+ int newhz;
+{
+ /* nothing we can do */
+}
+