tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Altivec XOR operations
4 *
5 * Copyright 2017 IBM Corp.
6 */
7
8#include <linux/preempt.h>
9#include <linux/export.h>
10#include <linux/sched.h>
11#include <asm/switch_to.h>
12#include <asm/xor_altivec.h>
13#include "xor_vmx.h"
14
15void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
16 unsigned long *v2_in)
17{
18 preempt_disable();
19 enable_kernel_altivec();
20 __xor_altivec_2(bytes, v1_in, v2_in);
21 disable_kernel_altivec();
22 preempt_enable();
23}
24EXPORT_SYMBOL(xor_altivec_2);
25
26void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
27 unsigned long *v2_in, unsigned long *v3_in)
28{
29 preempt_disable();
30 enable_kernel_altivec();
31 __xor_altivec_3(bytes, v1_in, v2_in, v3_in);
32 disable_kernel_altivec();
33 preempt_enable();
34}
35EXPORT_SYMBOL(xor_altivec_3);
36
37void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
38 unsigned long *v2_in, unsigned long *v3_in,
39 unsigned long *v4_in)
40{
41 preempt_disable();
42 enable_kernel_altivec();
43 __xor_altivec_4(bytes, v1_in, v2_in, v3_in, v4_in);
44 disable_kernel_altivec();
45 preempt_enable();
46}
47EXPORT_SYMBOL(xor_altivec_4);
48
49void xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
50 unsigned long *v2_in, unsigned long *v3_in,
51 unsigned long *v4_in, unsigned long *v5_in)
52{
53 preempt_disable();
54 enable_kernel_altivec();
55 __xor_altivec_5(bytes, v1_in, v2_in, v3_in, v4_in, v5_in);
56 disable_kernel_altivec();
57 preempt_enable();
58}
59EXPORT_SYMBOL(xor_altivec_5);