1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2020 ARM Limited
3
4 #include "helper.h"
5
6 size_t keyia_sign(size_t ptr)
7 {
8 asm volatile("paciza %0" : "+r" (ptr));
9 return ptr;
10 }
11
12 size_t keyib_sign(size_t ptr)
13 {
14 asm volatile("pacizb %0" : "+r" (ptr));
15 return ptr;
16 }
17
18 size_t keyda_sign(size_t ptr)
19 {
20 asm volatile("pacdza %0" : "+r" (ptr));
21 return ptr;
22 }
23
24 size_t keydb_sign(size_t ptr)
25 {
26 asm volatile("pacdzb %0" : "+r" (ptr));
27 return ptr;
28 }
29
30 size_t keyg_sign(size_t ptr)
31 {
32 /* output is encoded in the upper 32 bits */
33 size_t dest = 0;
34 size_t modifier = 0;
35
36 asm volatile("pacga %0, %1, %2" : "=r" (dest) : "r" (ptr), "r" (modifier));
37
38 return dest;
39 }
40
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