Plan 9 from Bell Labs’s /usr/web/sources/extra/9hist/alphapc/sio.c

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Distributed under the MIT License.
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## diffname alphapc/sio.c 1999/0506
## diff -e /dev/null /n/emeliedump/1999/0506/sys/src/brazil/alphapc/sio.c
0a
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"

/*
 * 82378ZB Saturn-I/O (SIO) PCI-to-ISA Bus Bridge.
 */
static Pcidev* siodev;

void
siodump(void)
{
	if(siodev == nil && (siodev = pcimatch(nil, 0x8086, 0x0484)) == nil)
		return;
}
.

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