From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 ANDROID_3.4.5/arch/h8300/kernel/time.c | 65 ++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/h8300/kernel/time.c

(limited to 'ANDROID_3.4.5/arch/h8300/kernel/time.c')

diff --git a/ANDROID_3.4.5/arch/h8300/kernel/time.c b/ANDROID_3.4.5/arch/h8300/kernel/time.c
new file mode 100644
index 00000000..32263a13
--- /dev/null
+++ b/ANDROID_3.4.5/arch/h8300/kernel/time.c
@@ -0,0 +1,65 @@
+/*
+ *  linux/arch/h8300/kernel/time.c
+ *
+ *  Yoshinori Sato <ysato@users.sourceforge.jp>
+ *
+ *  Copied/hacked from:
+ *
+ *  linux/arch/m68k/kernel/time.c
+ *
+ *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *
+ * This file contains the m68k-specific time handling details.
+ * Most of the stuff is located in the machine specific files.
+ *
+ * 1997-09-10	Updated NTP code according to technical memorandum Jan '96
+ *		"A Kernel Model for Precision Timekeeping" by Dave Mills
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/timex.h>
+#include <linux/profile.h>
+
+#include <asm/io.h>
+#include <asm/timer.h>
+
+#define	TICK_SIZE (tick_nsec / 1000)
+
+void h8300_timer_tick(void)
+{
+	if (current->pid)
+		profile_tick(CPU_PROFILING);
+	xtime_update(1);
+	update_process_times(user_mode(get_irq_regs()));
+}
+
+void read_persistent_clock(struct timespec *ts)
+{
+	unsigned int year, mon, day, hour, min, sec;
+
+	/* FIX by dqg : Set to zero for platforms that don't have tod */
+	/* without this time is undefined and can overflow time_t, causing  */
+	/* very strange errors */
+	year = 1980;
+	mon = day = 1;
+	hour = min = sec = 0;
+#ifdef CONFIG_H8300_GETTOD
+	h8300_gettod (&year, &mon, &day, &hour, &min, &sec);
+#endif
+	if ((year += 1900) < 1970)
+		year += 100;
+	ts->tv_sec = mktime(year, mon, day, hour, min, sec);
+	ts->tv_nsec = 0;
+}
+
+void __init time_init(void)
+{
+
+	h8300_timer_setup();
+}
-- 
cgit