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56 lines
879 B
56 lines
879 B
/*[
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arpl.c
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LOCAL CHAR SccsID[]="@(#)arpl.c 1.5 02/09/94";
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ARPL CPU Functions.
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-------------------
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]*/
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#include <insignia.h>
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#include <host_def.h>
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#include <xt.h>
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#include <c_main.h>
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#include <c_addr.h>
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#include <c_bsic.h>
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#include <c_prot.h>
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#include <c_seg.h>
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#include <c_stack.h>
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#include <c_xcptn.h>
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#include <c_reg.h>
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#include <arpl.h>
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/*
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=====================================================================
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EXTERNAL ROUTINES START HERE
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=====================================================================
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*/
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GLOBAL VOID
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ARPL
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IFN2(
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IU32 *, pop1,
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IU32, op2
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)
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{
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IU32 rpl;
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/* Reduce op1 RPL to lowest privilege (highest value) */
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if ( GET_SELECTOR_RPL(*pop1) < (rpl = GET_SELECTOR_RPL(op2)) )
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{
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SET_SELECTOR_RPL(*pop1, rpl);
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SET_ZF(1);
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}
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else
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{
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SET_ZF(0);
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}
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}
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