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researchv9-SUN3

#define DUMMY(x) x(){ panic("x"); }

DUMMY(dumpsys)

#include "../h/param.h"
#include "../h/callout.h"
#include "../h/map.h"

/*
 * untimeout is called to remove a function timeout call
 * from the callout structure.
 */
untimeout(fun, arg)
	int (*fun)();
	caddr_t arg;
{
	register struct callout *p1, *p2;
	register int s;

	s = splclock();
	for (p1 = &calltodo; (p2 = p1->c_next) != 0; p1 = p2) {
		if (p2->c_func == fun && p2->c_arg == arg) {
			if (p2->c_next && p2->c_time > 0)
				p2->c_next->c_time += p2->c_time;
			p1->c_next = p2->c_next;
			p2->c_next = callfree;
			callfree = p2;
			break;
		}
	}
	(void) splx(s);
}

/*
 * Allocate 'size' units from the given map, starting at address 'addr'.
 * Return 'addr' if successful, 0 if not.
 * This may cause the creation or destruction of a resource map segment.
 *
 * This routine will return failure status if there is not enough room
 * for a required additional map segment.
 *
 * An attempt to use this on 'swapmap' will result in
 * a failure return.  This is due mainly to laziness and could be fixed
 * to do the right thing, although it probably will never be used.
 */
rmget(mp, size, addr)
	register struct map *mp;
{
	register struct mapent *ep = (struct mapent *)(mp+1);
	register struct mapent *bp, *bp2;

	if (size <= 0)
		panic("rmget");
	if (mp == swapmap)
		return (0);
	/*
	 * Look for a map segment containing the requested address.
	 * If none found, return failure.
	 */
	for (bp = ep; bp->m_size; bp++)
		if (bp->m_addr <= addr && bp->m_addr + bp->m_size > addr)
			break;
	if (bp->m_size == 0)
		return (0);

	/*
	 * If segment is too small, return failure.
	 * If big enough, allocate the block, compressing or expanding
	 * the map as necessary.
	 */
	if (bp->m_addr + bp->m_size < addr + size)
		return (0);
	if (bp->m_addr == addr)
		if (bp->m_addr + bp->m_size == addr + size) {
			/*
			 * Allocate entire segment and compress map
			 */
			bp2 = bp;
			while (bp2->m_size) {
				bp2++;
				(bp2-1)->m_addr = bp2->m_addr;
				(bp2-1)->m_size = bp2->m_size;
			}
		} else {
			/*
			 * Allocate first part of segment
			 */
			bp->m_addr += size;
			bp->m_size -= size;
		}
	else
		if (bp->m_addr + bp->m_size == addr + size) {
			/*
			 * Allocate last part of segment
			 */
			bp->m_size -= size;
		} else {
			/*
			 * Allocate from middle of segment, but only
			 * if table can be expanded.
			 */
			for (bp2=bp; bp2->m_size; bp2++)
				;
			if (bp2 == mp->m_limit)
				return (0);
			while (bp2 > bp) {
				(bp2+1)->m_addr = bp2->m_addr;
				(bp2+1)->m_size = bp2->m_size;
				bp2--;
			}
			(bp+1)->m_addr = addr + size;
			(bp+1)->m_size =
			    bp->m_addr + bp->m_size - (addr + size);
			bp->m_size = addr - bp->m_addr;
		}
	return (addr);
}

/*
 * Set the local ethernet address
 */
localetheraddr(f, t)
u_char *f, *t;
{
	static first = 1;
	static u_char ether[6];

	if (first && f) {
		first = 0;
		bcopy(f, ether, 6);
		printf("Ethernet address = ");
		printf("%x:%x:%x:%x:%x:%x\n",
			f[0], f[1], f[2], f[3], f[4], f[5]);
	}
	if (t)
		bcopy(ether, t, 6);
}

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