1992/0411/pc/devether.c (diff list | history)

1992/0410/sys/src/9/pc/devether.c:26,32 – 1992/0411/sys/src/9/pc/devether.c:26,32 (short | long | prev | next)
1992/0403		enum { IObase = 0x360,
1992/0410		RAMbase = 0xD0000,
1992/0411		RAMbase = 0xC8000,
1992/0404		RAMsize = 8*1024, BUFsize = 256,
1992/0403
1992/0410/sys/src/9/pc/devether.c:143,148 – 1992/0411/sys/src/9/pc/devether.c:143,172
1992/0403		}; static Ctlr ctlr[Nctlr];
1992/0411		static Etherpkt txpkt; static void xmemmove(void *to, void *from, long len) { ushort *t, *f; int s; Ctlr *cp = &ctlr[0]; uchar reg; t = to; f = from; len = (len+1)/2; s = splhi(); reg = inb(cp->iobase+0x05); outb(cp->iobase+Imr, 0); outb(cp->iobase+0x05, 0x80|reg); while(len--) *t++ = *f++; outb(cp->iobase+0x05, reg); outb(cp->iobase+Imr, 0x1F); splx(s); }
1992/0407		static int isxfree(void *arg) {
1992/0410/sys/src/9/pc/devether.c:208,213 – 1992/0411/sys/src/9/pc/devether.c:232,238
1992/0403		*/
1992/0407		qlock(&cp->xl);
1992/0403		if(waserror()){
1992/0411		freeb(bp);
1992/0407		qunlock(&cp->xl);
1992/0403		nexterror(); }
1992/0410/sys/src/9/pc/devether.c:215,222 – 1992/0411/sys/src/9/pc/devether.c:240,249
1992/0403		/*
1992/0407		* Wait till we get an output buffer
1992/0403		*/
1992/0407		sleep(&cp->xr, isxfree, cp); p = cp->xpkt;
1992/0411		tsleep(&cp->xr, isxfree, cp, 1000); if(isxfree(cp) == 0) print("Tx wedged\n"); p = &txpkt;
1992/0403		/* * copy message into buffer
1992/0410/sys/src/9/pc/devether.c:244,249 – 1992/0411/sys/src/9/pc/devether.c:271,277
1992/0407		* give packet a local address
1992/0403		*/
1992/0407		memmove(p->s, cp->ea, sizeof(cp->ea));
1992/0411		xmemmove(cp->xpkt, p, len);
1992/0403		/*
1992/0407		* start the transmission
1992/0410/sys/src/9/pc/devether.c:445,462 – 1992/0411/sys/src/9/pc/devether.c:473,488
1992/0403		{
1992/0404		Ctlr *cp = &ctlr[0];
1992/0403		int i;
1992/0409		uchar msr;
1992/0411		uchar reg;
1992/0403
1992/0404		cp->iobase = IObase;
1992/0409		msr = 0x40|inb(cp->iobase); outb(cp->iobase, msr);
1992/0410		msr=0x40|inb(cp->iobase+0x05); outb(cp->iobase+0x05, msr);
1992/0411		reg = 0x40|inb(cp->iobase); outb(cp->iobase, reg); reg = 0x40|inb(cp->iobase+0x05); outb(cp->iobase+0x05, reg);
1992/0409		for(i = 0; i < 0x10; i++) print("#%2.2ux ", inb(cp->iobase+i)); print("\n");
1992/0410		msr=0x40|inb(cp->iobase+0x05); outb(cp->iobase+0x05, msr);
1992/0404		for(i = 0; i < sizeof(cp->ea); i++) cp->ea[i] = inb(cp->iobase+EA+i);
1992/0408		init(cp);
1992/0410/sys/src/9/pc/devether.c:512,520 – 1992/0411/sys/src/9/pc/devether.c:538,546
1992/0404		} if(waserror() == 0){
1992/0410		bp = allocb(len0+len1); memmove(bp->rptr, d0, len0);
1992/0411		xmemmove(bp->rptr, d0, len0);
1992/0410		if(len1) memmove(bp->rptr+len0, d1, len1);
1992/0411		xmemmove(bp->rptr+len0, d1, len1);
1992/0410		bp->wptr += len0+len1;
1992/0404		bp->flags |= S_DELIM;
1992/0410		PUTNEXT(tp->q, bp);
1992/0410/sys/src/9/pc/devether.c:683,689 – 1992/0411/sys/src/9/pc/devether.c:709,715
1992/0409		} void etherdump(void)
1992/0411		consdebug(void)
1992/0409		{ Ctlr *cp = &ctlr[0]; uchar bnry, curr, isr;