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
|
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/kernel/forceattn_p8.S $
#
# OpenPOWER HostBoot Project
#
# Contributors Listed Below - COPYRIGHT 2012,2015
# [+] International Business Machines Corp.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#
# IBM_PROLOG_END_TAG
.include "kernel/ppcconsts.S"
.global p8_force_attn
p8_force_attn:
li r0, 1
mfspr r9, HID0
insrdi r9,r0,1,3 /* Turn on bit 3 */
sync
mtspr HID0,r9 /* Enable attentions */
mfspr r9, HID0
mfspr r9, HID0
mfspr r9, HID0
mfspr r9, HID0
mfspr r9, HID0
mfspr r9, HID0
isync
attn
b 0
|
