blob: 2c201e7d0d5044315dfa2dd2351cd850f5711cfd (
plain)
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
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2020 ARM Limited
#include "helper.h"
size_t keyia_sign(size_t ptr)
{
asm volatile("paciza %0" : "+r" (ptr));
return ptr;
}
size_t keyib_sign(size_t ptr)
{
asm volatile("pacizb %0" : "+r" (ptr));
return ptr;
}
size_t keyda_sign(size_t ptr)
{
asm volatile("pacdza %0" : "+r" (ptr));
return ptr;
}
size_t keydb_sign(size_t ptr)
{
asm volatile("pacdzb %0" : "+r" (ptr));
return ptr;
}
size_t keyg_sign(size_t ptr)
{
/* output is encoded in the upper 32 bits */
size_t dest = 0;
size_t modifier = 0;
asm volatile("pacga %0, %1, %2" : "=r" (dest) : "r" (ptr), "r" (modifier));
return dest;
}
|