File:  [Power 6/32 Unix Tahoe 4.2BSD] / cci / sys / tahoe / Aget_longword.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Sun Jul 28 12:30:07 2019 UTC (6 years, 11 months ago) by root
Branches: bsd, MAIN
CVS tags: v121, HEAD
Power 6/32 Unix version 1.21

#include	"../machine/alignment.h"
int get_longword (infop, address)
process_info	*infop;
char		*address;
/*
/*	Fetch the longword at the given 'address' from memory.
/*	Caveat: It's quite difficult to find a pte reference
/*		fault.  So I took the easy way out and just signal
/*		an illegal access.
/*	
/**************************************************/
{
	register long code, value;

	code = readable(infop, address, 4);
	if (code == TRUE) {
		value = *address++;
		value = (value << 8) | *address++ & 0xff;
		value = (value << 8) | *address++ & 0xff;
		value = (value << 8) | *address & 0xff;
		return(value);
	} else exception (infop, ILL_ACCESS, address, code);
}

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