Move existing boards into subdits split per arch

1 files changed, 0 insertions, 461 deletions

diff --git a/os/pc/devrtc.c b/os/pc/devrtc.c
deleted file mode 100644
index f6e1d911..00000000
--- a/os/pc/devrtc.c
+++ /dev/null
@@ -1,461 +0,0 @@
-#include	"u.h"
-#include	"../port/lib.h"
-#include	"mem.h"
-#include	"dat.h"
-#include	"fns.h"
-#include	"../port/error.h"
-
-/*
- *  real time clock and non-volatile ram
- */
-
-enum {
-	Paddr=		0x70,	/* address port */
-	Pdata=		0x71,	/* data port */
-
-	Seconds=	0x00,
-	Minutes=	0x02,
-	Hours=		0x04, 
-	Mday=		0x07,
-	Month=		0x08,
-	Year=		0x09,
-	Status=		0x0A,
-
-	Nvoff=		128,	/* where usable nvram lives */
-	Nvsize=		256,
-
-	Nbcd=		6,
-};
-
-typedef struct Rtc	Rtc;
-struct Rtc
-{
-	int	sec;
-	int	min;
-	int	hour;
-	int	mday;
-	int	mon;
-	int	year;
-};
-
-
-enum{
-	Qdir = 0,
-	Qrtc,
-	Qnvram,
-};
-
-Dirtab rtcdir[]={
-	".",	{Qdir, 0, QTDIR},	0,	0555,
-	"nvram",	{Qnvram, 0},	Nvsize,	0664,
-	"rtc",		{Qrtc, 0},	0,	0664,
-};
-
-static ulong rtc2sec(Rtc*);
-static void sec2rtc(ulong, Rtc*);
-
-void
-rtcinit(void)
-{
-	if(ioalloc(Paddr, 2, 0, "rtc/nvr") < 0)
-		panic("rtcinit: ioalloc failed");
-}
-
-static Chan*
-rtcattach(char* spec)
-{
-	return devattach('r', spec);
-}
-
-static Walkqid*	 
-rtcwalk(Chan* c, Chan *nc, char** name, int nname)
-{
-	return devwalk(c, nc, name, nname, rtcdir, nelem(rtcdir), devgen);
-}
-
-static int	 
-rtcstat(Chan* c, uchar* dp, int n)
-{
-	return devstat(c, dp, n, rtcdir, nelem(rtcdir), devgen);
-}
-
-static Chan*
-rtcopen(Chan* c, int omode)
-{
-	omode = openmode(omode);
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		if(strcmp(up->env->user, eve)!=0 && omode!=OREAD)
-			error(Eperm);
-		break;
-	case Qnvram:
-		if(strcmp(up->env->user, eve)!=0)
-			error(Eperm);
-	}
-	return devopen(c, omode, rtcdir, nelem(rtcdir), devgen);
-}
-
-static void	 
-rtcclose(Chan*)
-{
-}
-
-#define GETBCD(o) ((bcdclock[o]&0xf) + 10*(bcdclock[o]>>4))
-
-static long	 
-_rtctime(void)
-{
-	uchar bcdclock[Nbcd];
-	Rtc rtc;
-	int i;
-
-	/* don't do the read until the clock is no longer busy */
-	for(i = 0; i < 10000; i++){
-		outb(Paddr, Status);
-		if(inb(Pdata) & 0x80)
-			continue;
-
-		/* read clock values */
-		outb(Paddr, Seconds);	bcdclock[0] = inb(Pdata);
-		outb(Paddr, Minutes);	bcdclock[1] = inb(Pdata);
-		outb(Paddr, Hours);	bcdclock[2] = inb(Pdata);
-		outb(Paddr, Mday);	bcdclock[3] = inb(Pdata);
-		outb(Paddr, Month);	bcdclock[4] = inb(Pdata);
-		outb(Paddr, Year);	bcdclock[5] = inb(Pdata);
-
-		outb(Paddr, Status);
-		if((inb(Pdata) & 0x80) == 0)
-			break;
-	}
-
-	/*
-	 *  convert from BCD
-	 */
-	rtc.sec = GETBCD(0);
-	rtc.min = GETBCD(1);
-	rtc.hour = GETBCD(2);
-	rtc.mday = GETBCD(3);
-	rtc.mon = GETBCD(4);
-	rtc.year = GETBCD(5);
-
-	/*
-	 *  the world starts jan 1 1970
-	 */
-	if(rtc.year < 70)
-		rtc.year += 2000;
-	else
-		rtc.year += 1900;
-	return rtc2sec(&rtc);
-}
-
-static Lock nvrtlock;
-
-long
-rtctime(void)
-{
-	int i;
-	long t, ot;
-
-	ilock(&nvrtlock);
-
-	/* loop till we get two reads in a row the same */
-	t = _rtctime();
-	for(i = 0; i < 100; i++){
-		ot = t;
-		t = _rtctime();
-		if(ot == t)
-			break;
-	}
-	if(i == 100) print("we are boofheads\n");
-
-	iunlock(&nvrtlock);
-
-	return t;
-}
-
-static long	 
-rtcread(Chan* c, void* buf, long n, vlong off)
-{
-	ulong t;
-	char *a, *start;
-	ulong offset = off;
-
-	if(c->qid.type & QTDIR)
-		return devdirread(c, buf, n, rtcdir, nelem(rtcdir), devgen);
-
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		t = rtctime();
-		n = readnum(offset, buf, n, t, 12);
-		return n;
-	case Qnvram:
-		if(n == 0)
-			return 0;
-		if(n > Nvsize)
-			n = Nvsize;
-		a = start = smalloc(n);
-
-		ilock(&nvrtlock);
-		for(t = offset; t < offset + n; t++){
-			if(t >= Nvsize)
-				break;
-			outb(Paddr, Nvoff+t);
-			*a++ = inb(Pdata);
-		}
-		iunlock(&nvrtlock);
-
-		if(waserror()){
-			free(start);
-			nexterror();
-		}
-		memmove(buf, start, t - offset);
-		poperror();
-
-		free(start);
-		return t - offset;
-	}
-	error(Ebadarg);
-	return 0;
-}
-
-#define PUTBCD(n,o) bcdclock[o] = (n % 10) | (((n / 10) % 10)<<4)
-
-static long	 
-rtcwrite(Chan* c, void* buf, long n, vlong off)
-{
-	int t;
-	char *a, *start;
-	Rtc rtc;
-	ulong secs;
-	uchar bcdclock[Nbcd];
-	char *cp, *ep;
-	ulong offset = off;
-
-	if(offset!=0)
-		error(Ebadarg);
-
-
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		/*
-		 *  read the time
-		 */
-		cp = ep = buf;
-		ep += n;
-		while(cp < ep){
-			if(*cp>='0' && *cp<='9')
-				break;
-			cp++;
-		}
-		secs = strtoul(cp, 0, 0);
-	
-		/*
-		 *  convert to bcd
-		 */
-		sec2rtc(secs, &rtc);
-		PUTBCD(rtc.sec, 0);
-		PUTBCD(rtc.min, 1);
-		PUTBCD(rtc.hour, 2);
-		PUTBCD(rtc.mday, 3);
-		PUTBCD(rtc.mon, 4);
-		PUTBCD(rtc.year, 5);
-
-		/*
-		 *  write the clock
-		 */
-		ilock(&nvrtlock);
-		outb(Paddr, Seconds);	outb(Pdata, bcdclock[0]);
-		outb(Paddr, Minutes);	outb(Pdata, bcdclock[1]);
-		outb(Paddr, Hours);	outb(Pdata, bcdclock[2]);
-		outb(Paddr, Mday);	outb(Pdata, bcdclock[3]);
-		outb(Paddr, Month);	outb(Pdata, bcdclock[4]);
-		outb(Paddr, Year);	outb(Pdata, bcdclock[5]);
-		iunlock(&nvrtlock);
-		return n;
-	case Qnvram:
-		if(n == 0)
-			return 0;
-		if(n > Nvsize)
-			n = Nvsize;
-	
-		start = a = smalloc(n);
-		if(waserror()){
-			free(start);
-			nexterror();
-		}
-		memmove(a, buf, n);
-		poperror();
-
-		ilock(&nvrtlock);
-		for(t = offset; t < offset + n; t++){
-			if(t >= Nvsize)
-				break;
-			outb(Paddr, Nvoff+t);
-			outb(Pdata, *a++);
-		}
-		iunlock(&nvrtlock);
-
-		free(start);
-		return t - offset;
-	}
-	error(Ebadarg);
-	return 0;
-}
-
-Dev rtcdevtab = {
-	'r',
-	"rtc",
-
-	devreset,
-	rtcinit,
-	devshutdown,
-	rtcattach,
-	rtcwalk,
-	rtcstat,
-	rtcopen,
-	devcreate,
-	rtcclose,
-	rtcread,
-	devbread,
-	rtcwrite,
-	devbwrite,
-	devremove,
-	devwstat,
-};
-
-#define SEC2MIN 60L
-#define SEC2HOUR (60L*SEC2MIN)
-#define SEC2DAY (24L*SEC2HOUR)
-
-/*
- *  days per month plus days/year
- */
-static	int	dmsize[] =
-{
-	365, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-static	int	ldmsize[] =
-{
-	366, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-/*
- *  return the days/month for the given year
- */
-static int*
-yrsize(int y)
-{
-	if((y%4) == 0 && ((y%100) != 0 || (y%400) == 0))
-		return ldmsize;
-	else
-		return dmsize;
-}
-
-/*
- *  compute seconds since Jan 1 1970
- */
-static ulong
-rtc2sec(Rtc *rtc)
-{
-	ulong secs;
-	int i;
-	int *d2m;
-
-	secs = 0;
-
-	/*
-	 *  seconds per year
-	 */
-	for(i = 1970; i < rtc->year; i++){
-		d2m = yrsize(i);
-		secs += d2m[0] * SEC2DAY;
-	}
-
-	/*
-	 *  seconds per month
-	 */
-	d2m = yrsize(rtc->year);
-	for(i = 1; i < rtc->mon; i++)
-		secs += d2m[i] * SEC2DAY;
-
-	secs += (rtc->mday-1) * SEC2DAY;
-	secs += rtc->hour * SEC2HOUR;
-	secs += rtc->min * SEC2MIN;
-	secs += rtc->sec;
-
-	return secs;
-}
-
-/*
- *  compute rtc from seconds since Jan 1 1970
- */
-static void
-sec2rtc(ulong secs, Rtc *rtc)
-{
-	int d;
-	long hms, day;
-	int *d2m;
-
-	/*
-	 * break initial number into days
-	 */
-	hms = secs % SEC2DAY;
-	day = secs / SEC2DAY;
-	if(hms < 0) {
-		hms += SEC2DAY;
-		day -= 1;
-	}
-
-	/*
-	 * generate hours:minutes:seconds
-	 */
-	rtc->sec = hms % 60;
-	d = hms / 60;
-	rtc->min = d % 60;
-	d /= 60;
-	rtc->hour = d;
-
-	/*
-	 * year number
-	 */
-	if(day >= 0)
-		for(d = 1970; day >= *yrsize(d); d++)
-			day -= *yrsize(d);
-	else
-		for (d = 1970; day < 0; d--)
-			day += *yrsize(d-1);
-	rtc->year = d;
-
-	/*
-	 * generate month
-	 */
-	d2m = yrsize(rtc->year);
-	for(d = 1; day >= d2m[d]; d++)
-		day -= d2m[d];
-	rtc->mday = day + 1;
-	rtc->mon = d;
-
-	return;
-}
-
-uchar
-nvramread(int addr)
-{
-	uchar data;
-
-	ilock(&nvrtlock);
-	outb(Paddr, addr);
-	data = inb(Pdata);
-	iunlock(&nvrtlock);
-
-	return data;
-}
-
-void
-nvramwrite(int addr, uchar data)
-{
-	ilock(&nvrtlock);
-	outb(Paddr, addr);
-	outb(Pdata, data);
-	iunlock(&nvrtlock);
-}