minios: make time interface POSIX

diff -r 538a343f8e38 extras/mini-os/arch/ia64/time.c
@@ -147,10 +147,10 @@ calculate_time(void)
 		new = itc_new - itc_alt;
 	itc_alt = itc_new;
 	new = ns_from_cycles(new);
-	os_time.ts_nsec += new;
-	if (os_time.ts_nsec > 1000000000) {	/* On overflow. */
-		os_time.ts_sec++;
-		os_time.ts_nsec -= 1000000000;
+	os_time.tv_nsec += new;
+	if (os_time.tv_nsec > 1000000000) {	/* On overflow. */
+		os_time.tv_sec++;
+		os_time.tv_nsec -= 1000000000;
 	}
 }
 

@@ -177,12 +177,13 @@ monotonic_clock(void)
 	return delta;
 }
 
-void
-gettimeofday(struct timeval *tv)
+int
+gettimeofday(struct timeval *tv, void *tz)
 {
 	calculate_time();
-	tv->tv_sec = os_time.ts_sec;			/* seconds */
-	tv->tv_usec = NSEC_TO_USEC(os_time.ts_nsec);	/* microseconds */
+	tv->tv_sec = os_time.tv_sec;			/* seconds */
+	tv->tv_usec = NSEC_TO_USEC(os_time.tv_nsec);	/* microseconds */
+        return 0;
 };
 
 /*

@@ -253,16 +254,16 @@ init_time(void)
 	itm_val = (itc_frequency + HZ/2) / HZ;
 	printk("  itm_val: %ld\n", itm_val);
 
-	os_time.ts_sec = 0;
-	os_time.ts_nsec = 0;
+	os_time.tv_sec = 0;
+	os_time.tv_nsec = 0;
 
 	if (efi_get_time(&tm)) {
 		printk("  EFI-Time: %d.%d.%d   %d:%d:%d\n", tm.Day,
 		       tm.Month, tm.Year, tm.Hour, tm.Minute, tm.Second);
-		os_time.ts_sec = mktime(SWAP(tm.Year), SWAP(tm.Month),
+		os_time.tv_sec = mktime(SWAP(tm.Year), SWAP(tm.Month),
 					SWAP(tm.Day), SWAP(tm.Hour),
 					SWAP(tm.Minute), SWAP(tm.Second));
-		os_time.ts_nsec = tm.Nanosecond;
+		os_time.tv_nsec = tm.Nanosecond;
 	} else
 		printk("efi_get_time() failed\n");
 

diff -r 538a343f8e38 extras/mini-os/arch/x86/time.c
@@ -175,30 +175,32 @@ static void update_wallclock(void)
 	do {
 		shadow_ts_version = s->wc_version;
 		rmb();
-		shadow_ts.ts_sec  = s->wc_sec;
-		shadow_ts.ts_nsec = s->wc_nsec;
+		shadow_ts.tv_sec  = s->wc_sec;
+		shadow_ts.tv_nsec = s->wc_nsec;
 		rmb();
 	}
 	while ((s->wc_version & 1) | (shadow_ts_version ^ s->wc_version));
 }
 
 
-void gettimeofday(struct timeval *tv)
+int gettimeofday(struct timeval *tv, void *tz)
 {
     u64 nsec = monotonic_clock();
-    nsec += shadow_ts.ts_nsec;
+    nsec += shadow_ts.tv_nsec;
     
     
-    tv->tv_sec = shadow_ts.ts_sec;
+    tv->tv_sec = shadow_ts.tv_sec;
     tv->tv_sec += NSEC_TO_SEC(nsec);
     tv->tv_usec = NSEC_TO_USEC(nsec % 1000000000UL);
+
+    return 0;
 }
 
 
 void block_domain(s_time_t until)
 {
     struct timeval tv;
-    gettimeofday(&tv);
+    gettimeofday(&tv, NULL);
     if(monotonic_clock() < until)
     {
         HYPERVISOR_set_timer_op(until);

diff -r 538a343f8e38 extras/mini-os/include/time.h
@@ -38,20 +38,13 @@ typedef s64 s_time_t;
 #define Time_Max                ((s_time_t) 0x7fffffffffffffffLL)
 #define FOREVER                 Time_Max
 #define NSEC_TO_USEC(_nsec)     ((_nsec) / 1000UL)
+#define NSEC_TO_MSEC(_nsec)     ((_nsec) / 1000000ULL)
 #define NSEC_TO_SEC(_nsec)      ((_nsec) / 1000000000ULL)
 
 /* wall clock time  */
 typedef long time_t;
 typedef long suseconds_t;
-struct timeval {
-	time_t		tv_sec;		/* seconds */
-	suseconds_t	tv_usec;	/* microseconds */
-};
-
-struct timespec {
-    time_t      ts_sec;
-    long        ts_nsec;
-};
+#include <sys/time.h>
 
 
 /* prototypes */

@@ -59,7 +52,6 @@ s_time_t get_s_time(void);
 s_time_t get_s_time(void);
 s_time_t get_v_time(void);
 u64      monotonic_clock(void);
-void     gettimeofday(struct timeval *tv);
 void     block_domain(s_time_t until);
 
 #endif /* _TIME_H_ */

diff -r 538a343f8e38 extras/mini-os/kernel.c
@@ -75,7 +75,7 @@ static void periodic_thread(void *p)
     printk("Periodic thread started.\n");
     for(;;)
     {
-        gettimeofday(&tv);
+        gettimeofday(&tv, NULL);
         printk("T(s=%ld us=%ld)\n", tv.tv_sec, tv.tv_usec);
         sleep(1000);
     }

diff -r 538a343f8e38 extras/mini-os/sched.c
@@ -270,10 +270,10 @@ void th_f1(void *data)
         up(&mutex);
         
         
-        gettimeofday(&tv1);
+        gettimeofday(&tv1, NULL);
         for(;;)
         {
-            gettimeofday(&tv2);
+            gettimeofday(&tv2, NULL);
             if(tv2.tv_sec - tv1.tv_sec > 2) break;
         }
                 

diff -r 538a343f8e38 extras/mini-os/include/sys/time.h
@@ -0,0 +1,38 @@
+/* -*-  Mode:C; c-basic-offset:4; tab-width:4 -*-
+ ****************************************************************************
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ * (C) 2005 - Grzegorz Milos - Intel Research Cambridge
+ ****************************************************************************
+ *
+ *        File: time.h
+ *      Author: Rolf Neugebauer ([email protected])
+ *     Changes: Grzegorz Milos ([email protected])
+ *              Robert Kaiser ([email protected])
+ *              
+ *        Date: Jul 2003, changes: Jun 2005, Sep 2006
+ * 
+ * Environment: Xen Minimal OS
+ * Description: Time and timer functions
+ *
+ ****************************************************************************
+ */
+
+#ifndef _MINIOS_SYS_TIME_H_
+#define _MINIOS_SYS_TIME_H_
+
+struct timespec {
+    time_t      tv_sec;
+    long        tv_nsec;
+};
+
+struct timezone {
+};
+
+struct timeval {
+	time_t		tv_sec;		/* seconds */
+	suseconds_t	tv_usec;	/* microseconds */
+};
+
+int      gettimeofday(struct timeval *tv, void *tz);
+
+#endif /* _MINIOS_SYS_TIME_H_ */