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2022-09-29 17:59:04 +03:00

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C

/**************************************************************************
* *
* Copyright (C) 1992-1996 Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#ident "$Revision: 1.3 $"
#include <sys/mips_addrspace.h>
#include <libkl.h>
#include <libsc.h>
#include <sys/SN/addrs.h>
#include <sys/SN/klconfig.h>
#include <sys/SN/error.h>
#include <sys/SN/promcfg.h>
#include <sys/SN/xbow.h>
#include <promgraph.h>
int
io_get_widgetid(nasid_t nasid, int widget)
{
int wid_id;
jmp_buf fault_buf;
void *prev_fault;
extern void hubii_prb_cleanup(nasid_t, int);
if (setfault(fault_buf, &prev_fault)) {
printf("Reading link %X (addr 0x%lx) failed\n",
widget, (SN0_WIDGET_BASE(nasid, widget) + WIDGET_ID));
hubii_prb_cleanup(nasid, widget);
restorefault(prev_fault);
return -1;
}
wid_id = *(volatile __uint32_t *)(SN0_WIDGET_BASE(nasid, widget)
+ WIDGET_ID);
restorefault(prev_fault);
return wid_id;
}