1997/0327/carrera/devrtc.c (diff list | history)

1996/0223/sys/src/9/carrera/devrtc.c:20,26 – 1997/0327/sys/src/9/carrera/devrtc.c:20,26 (short | long | prev | next)
1993/0916		int mon; int year; }; QLock rtclock; /* mutex on clock operations */
1997/0327		static QLock rtclock; /* mutex on clock operations */
1993/0916
1995/0108		enum
1996/0223/sys/src/9/carrera/devrtc.c:39,89 – 1997/0327/sys/src/9/carrera/devrtc.c:39,71
1993/0916		Nvsize = 4096, }; #define NRTC 2 Dirtab rtcdir[]={ "nvram", {Qnvram, 0}, Nvsize, 0664, "rtc", {Qrtc, 0}, 0, 0664, }; ulong rtc2sec(Rtc*); void sec2rtc(ulong, Rtc*); int *yrsize(int);
1997/0327		static ulong rtc2sec(Rtc*); static void sec2rtc(ulong, Rtc*);
1993/0916		void rtcreset(void) { }                  void rtcinit(void) { }                  Chan*
1997/0327		static Chan*
1993/0916		rtcattach(char *spec) { return devattach('r', spec); } Chan* rtcclone(Chan *c, Chan *nc) { return devclone(c, nc); }                  int
1997/0327		static int
1993/0916		rtcwalk(Chan *c, char *name) { return devwalk(c, name, rtcdir, NRTC, devgen);
1997/0327		return devwalk(c, name, rtcdir, nelem(rtcdir), devgen);
1993/0916		} void
1997/0327		static void
1993/0916		rtcstat(Chan *c, char *dp) { devstat(c, dp, rtcdir, NRTC, devgen);
1997/0327		devstat(c, dp, rtcdir, nelem(rtcdir), devgen);
1993/0916		} Chan*
1997/0327		static Chan*
1993/0916		rtcopen(Chan *c, int omode) { omode = openmode(omode);
1996/0223/sys/src/9/carrera/devrtc.c:96,112 – 1997/0327/sys/src/9/carrera/devrtc.c:78,87
1993/0916		if(strcmp(up->user, eve)!=0) error(Eperm); } return devopen(c, omode, rtcdir, NRTC, devgen);
1997/0327		return devopen(c, omode, rtcdir, nelem(rtcdir), devgen);
1993/0916		} void rtccreate(Chan *c, char *name, int omode, ulong perm) { USED(c, name, omode, perm); error(Eperm); }                  void
1997/0327		static void
1993/0916		rtcclose(Chan *c) { USED(c);
1996/0223/sys/src/9/carrera/devrtc.c:151,157 – 1997/0327/sys/src/9/carrera/devrtc.c:126,132
1993/0916		return rtc2sec(&rtc); } long
1997/0327		static long
1993/0916		rtcread(Chan *c, void *buf, long n, ulong offset) { ulong t, ot;
1996/0223/sys/src/9/carrera/devrtc.c:158,164 – 1997/0327/sys/src/9/carrera/devrtc.c:133,139
1993/0916		uchar *f, *to, *e; if(c->qid.path & CHDIR) return devdirread(c, buf, n, rtcdir, NRTC, devgen);
1997/0327		return devdirread(c, buf, n, rtcdir, nelem(rtcdir), devgen);
1993/0916		switch(c->qid.path){ case Qrtc:
1996/0223/sys/src/9/carrera/devrtc.c:185,196 – 1997/0327/sys/src/9/carrera/devrtc.c:160,165
1993/0916		return 0; }
1995/0108		Block* rtcbread(Chan *c, long n, ulong offset) { return devbread(c, n, offset); }
1993/0916		static void binary2bcd(int reg, uchar val) {
1996/0223/sys/src/9/carrera/devrtc.c:201,207 – 1997/0327/sys/src/9/carrera/devrtc.c:170,176
1993/0916		} long
1997/0327		static long
1993/0916		rtcwrite(Chan *c, void *buf, long n, ulong offset) { Rtc rtc;
1996/0223/sys/src/9/carrera/devrtc.c:255,280 – 1997/0327/sys/src/9/carrera/devrtc.c:224,247
1993/0916		return 0;
1995/0108		} long rtcbwrite(Chan *c, Block *bp, ulong offset) { return devbwrite(c, bp, offset);
1993/0916		}
1997/0327		Dev rtcdevtab = { devreset, devinit, rtcattach, devclone, rtcwalk, rtcstat, rtcopen, devcreate, rtcclose, rtcread, devbread, rtcwrite, devbwrite, devremove, devwstat, };
1993/0916		void rtcremove(Chan *c) { USED(c); error(Eperm); }                  void rtcwstat(Chan *c, char *dp) { USED(c, dp); error(Eperm); }                  #define SEC2MIN 60L #define SEC2HOUR (60L*SEC2MIN) #define SEC2DAY (24L*SEC2HOUR)
1996/0223/sys/src/9/carrera/devrtc.c:294,300 – 1997/0327/sys/src/9/carrera/devrtc.c:261,267
1993/0916		/* * return the days/month for the given year */ int *
1997/0327		static int*
1993/0916		yrsize(int yr) { if((yr % 4) == 0)
1996/0223/sys/src/9/carrera/devrtc.c:306,312 – 1997/0327/sys/src/9/carrera/devrtc.c:273,279
1993/0916		/* * compute seconds since Jan 1 1970 */ ulong
1997/0327		static ulong
1993/0916		rtc2sec(Rtc *rtc) { ulong secs;
1996/0223/sys/src/9/carrera/devrtc.c:341,347 – 1997/0327/sys/src/9/carrera/devrtc.c:308,314
1993/0916		/* * compute rtc from seconds since Jan 1 1970 */ void
1997/0327		static void
1993/0916		sec2rtc(ulong secs, Rtc *rtc) { int d;