src/AmigaOS/timer_amiga.cpp

/*
 *  timer_amiga.cpp - Time Manager emulation, AmigaOS specific stuff
 *
 *  Basilisk II (C) 1997-1999 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <exec/types.h>
#include <devices/timer.h>
#include <proto/timer.h>
#include <proto/intuition.h>

#include "sysdeps.h"
#include "timer.h"

#define DEBUG 0
#include "debug.h"


/*
 *  Return microseconds since boot (64 bit)
 */

void Microseconds(uint32 &hi, uint32 &lo)
{
        D(bug("Microseconds\n"));
        struct timeval tv;
        GetSysTime(&tv);
        uint64 tl = (uint64)tv.tv_secs * 1000000 + tv.tv_micro;
        hi = tl >> 32;
        lo = tl;
}


/*
 *  Return local date/time in Mac format (seconds since 1.1.1904)
 */

uint32 TimerDateTime(void)
{
        ULONG secs;
        ULONG mics;
        CurrentTime(&secs, &mics);
        return secs + TIME_OFFSET;
}


/*
 *  Get current time
 */

void timer_current_time(tm_time_t &t)
{
        GetSysTime(&t);
}


/*
 *  Add times
 */

void timer_add_time(tm_time_t &res, tm_time_t a, tm_time_t b)
{
        res = a;
        AddTime(&res, &b);
}


/*
 *  Subtract times
 */

void timer_sub_time(tm_time_t &res, tm_time_t a, tm_time_t b)
{
        res = a;
        SubTime(&res, &b);
}


/*
 *  Compare times (<0: a < b, =0: a = b, >0: a > b)
 */

int timer_cmp_time(tm_time_t a, tm_time_t b)
{
        return CmpTime(&b, &a);
}


/*
 *  Convert Mac time value (>0: microseconds, <0: microseconds) to tm_time_t
 */

void timer_mac2host_time(tm_time_t &res, int32 mactime)
{
        if (mactime > 0) {
                res.tv_secs = mactime / 1000;                   // Time in milliseconds
                res.tv_micro = (mactime % 1000) * 1000;
        } else {
                res.tv_secs = -mactime / 1000000;               // Time in negative microseconds
                res.tv_micro = -mactime % 1000000;
        }
}


/*
 *  Convert positive tm_time_t to Mac time value (>0: microseconds, <0: microseconds)
 *  A negative input value for hosttime results in a zero return value
 *  As long as the microseconds value fits in 32 bit, it must not be converted to milliseconds!
 */

int32 timer_host2mac_time(tm_time_t hosttime)
{
        if (hosttime.tv_secs < 0)
                return 0;
        else {
                uint64 t = (uint64)hosttime.tv_secs * 1000000 + hosttime.tv_micro;
                if (t > 0x7fffffff)
                        return t / 1000;        // Time in milliseconds
                else
                        return -t;                      // Time in negative microseconds
        }
}
Revision:	1.3
Committed:	1999-11-01T16:24:13Z (24 years, 8 months ago) by cebix
Branch:	MAIN
CVS Tags:	snapshot-22121999, release-0_8-1, snapshot-02111999
Changes since 1.2:	+10 -8 lines
Log Message:	- AmigaOS: removed support for SAS/C - AmigaOS: sys_amiga.cpp: supports 64-bit device access and respects device block size on writes - AmigaOS: added support for resource forks and Finder info for ExtFS - AmigaOS: added "ExtFS" gadget to prefs editor - protection mask for all open()/creat()/mkdir() calls is now 0666 or 0777
#	User	Rev	Content
1	cebix	1.1	/*
2			* timer_amiga.cpp - Time Manager emulation, AmigaOS specific stuff
3			*
4			* Basilisk II (C) 1997-1999 Christian Bauer
5			*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#include <exec/types.h>
22			#include <devices/timer.h>
23			#include <proto/timer.h>
24			#include <proto/intuition.h>
25
26			#include "sysdeps.h"
27			#include "timer.h"
28
29			#define DEBUG 0
30			#include "debug.h"
31
32
33			/*
34			* Return microseconds since boot (64 bit)
35			*/
36
37			void Microseconds(uint32 &hi, uint32 &lo)
38			{
39			D(bug("Microseconds\n"));
40			struct timeval tv;
41			GetSysTime(&tv);
42	cebix	1.3	uint64 tl = (uint64)tv.tv_secs * 1000000 + tv.tv_micro;
43			hi = tl >> 32;
44			lo = tl;
45	cebix	1.1	}
46
47
48			/*
49			* Return local date/time in Mac format (seconds since 1.1.1904)
50			*/
51
52			uint32 TimerDateTime(void)
53			{
54			ULONG secs;
55			ULONG mics;
56			CurrentTime(&secs, &mics);
57			return secs + TIME_OFFSET;
58			}
59
60
61			/*
62			* Get current time
63			*/
64
65			void timer_current_time(tm_time_t &t)
66			{
67			GetSysTime(&t);
68			}
69
70
71			/*
72			* Add times
73			*/
74
75			void timer_add_time(tm_time_t &res, tm_time_t a, tm_time_t b)
76			{
77			res = a;
78			AddTime(&res, &b);
79			}
80
81
82			/*
83			* Subtract times
84			*/
85
86			void timer_sub_time(tm_time_t &res, tm_time_t a, tm_time_t b)
87			{
88			res = a;
89			SubTime(&res, &b);
90			}
91
92
93			/*
94			* Compare times (<0: a < b, =0: a = b, >0: a > b)
95			*/
96
97			int timer_cmp_time(tm_time_t a, tm_time_t b)
98			{
99			return CmpTime(&b, &a);
100			}
101
102
103			/*
104			* Convert Mac time value (>0: microseconds, <0: microseconds) to tm_time_t
105			*/
106
107			void timer_mac2host_time(tm_time_t &res, int32 mactime)
108			{
109			if (mactime > 0) {
110			res.tv_secs = mactime / 1000; // Time in milliseconds
111			res.tv_micro = (mactime % 1000) * 1000;
112			} else {
113			res.tv_secs = -mactime / 1000000; // Time in negative microseconds
114			res.tv_micro = -mactime % 1000000;
115			}
116			}
117
118
119			/*
120			* Convert positive tm_time_t to Mac time value (>0: microseconds, <0: microseconds)
121			* A negative input value for hosttime results in a zero return value
122			* As long as the microseconds value fits in 32 bit, it must not be converted to milliseconds!
123			*/
124
125			int32 timer_host2mac_time(tm_time_t hosttime)
126			{
127			if (hosttime.tv_secs < 0)
128			return 0;
129	cebix	1.3	else {
130			uint64 t = (uint64)hosttime.tv_secs * 1000000 + hosttime.tv_micro;
131			if (t > 0x7fffffff)
132			return t / 1000; // Time in milliseconds
133			else
134			return -t; // Time in negative microseconds
135			}
136	cebix	1.1	}