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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 ARM Ltd.
*/
#ifndef __ASM_VDSO_CP15_H
#define __ASM_VDSO_CP15_H
#ifndef __ASSEMBLY__
#ifdef CONFIG_CPU_CP15
#include <linux/stringify.h>
#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \
"mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32
#define __ACCESS_CP15_64(Op1, CRm) \
"mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64
#define __read_sysreg(r, w, c, t) ({ \
t __val; \
asm volatile(r " " c : "=r" (__val)); \
__val; \
})
#define read_sysreg(...) __read_sysreg(__VA_ARGS__)
#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v)))
#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__)
#define BPIALL __ACCESS_CP15(c7, 0, c5, 6)
#define ICIALLU __ACCESS_CP15(c7, 0, c5, 0)
#define CNTVCT __ACCESS_CP15_64(1, c14)
#endif /* CONFIG_CPU_CP15 */
#endif /* __ASSEMBLY__ */
#endif /* __ASM_VDSO_CP15_H */