Files
rk35xx-android14/external/linux-kselftest/tools/testing/selftests/arm64/pauth/helper.c
T
hmz007 36ed224bac Rockchip Anroid14_SDK 20240628-rkr5 (2556df1a)
Signed-off-by: hmz007 <hmz007@gmail.com>
Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
2024-10-29 18:12:02 +08:00

40 lines
660 B
C

// 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;
}