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
|
# verify that trap || cmp works
add r8,r0,0x11223344 ;
add r9,r0,0x11223344 ;
mvtsys bpsw,r0 || nop
mvtsys bpc,r0 || nop
add r1,r0,0x97000555 ; for psw
mvtsys psw,r1 || nop
trap 0 || cmpeq f0,r8,r9,;
.long 0x0e000004, 0x00f00000
.section .eit_v, "a"
nop || nop
nop || nop
nop || nop
nop || nop
# save the old bpsw, psw
mvfsys r4,bpsw || nop
mvfsys r5,psw || nop
# load up what they should be
add r6,r0,0x97004555
add r7,r0,0x90000000
# verify that they have the right values
# return exit value in r2 -- 0 success, 47 failure
add r2,r0,47
cmpeq f0,r4,r6 || nop
cmpeq f1,r5,r7 || nop
add/tt r2,r0,r0 || nop
reit
|