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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2024 ARM Limited
*
* Common helper functions for SVE and SME functionality.
*/
#ifndef __SVE_HELPERS_H__
#define __SVE_HELPERS_H__
#include <stdbool.h>
#define VLS_USE_SVE false
#define VLS_USE_SME true
extern unsigned int vls[];
extern unsigned int nvls;
int sve_fill_vls(bool use_sme, int min_vls);
static inline uint64_t get_svcr(void)
{
uint64_t val;
asm volatile (
"mrs %0, S3_3_C4_C2_2\n"
: "=r"(val)
:
: "cc");
return val;
}
#endif
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