blob: 5b87ac31dac67e870cc0a9e475a96f5d7256ec33 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*[
arpl.c
LOCAL CHAR SccsID[]="@(#)arpl.c 1.5 02/09/94";
ARPL CPU Functions.
-------------------
]*/
#include <insignia.h>
#include <host_def.h>
#include <xt.h>
#include <c_main.h>
#include <c_addr.h>
#include <c_bsic.h>
#include <c_prot.h>
#include <c_seg.h>
#include <c_stack.h>
#include <c_xcptn.h>
#include <c_reg.h>
#include <arpl.h>
/*
=====================================================================
EXTERNAL ROUTINES START HERE
=====================================================================
*/
GLOBAL VOID
ARPL
IFN2(
IU32 *, pop1,
IU32, op2
)
{
IU32 rpl;
/* Reduce op1 RPL to lowest privilege (highest value) */
if ( GET_SELECTOR_RPL(*pop1) < (rpl = GET_SELECTOR_RPL(op2)) )
{
SET_SELECTOR_RPL(*pop1, rpl);
SET_ZF(1);
}
else
{
SET_ZF(0);
}
}
|