/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_VDSO_PROCESSOR_H
#define __ASM_VDSO_PROCESSOR_H

#ifndef __ASSEMBLER__

#include <asm/barrier.h>
#include <asm/errata_list.h>
#include <asm/insn-def.h>

static inline void cpu_relax(void)
{
#ifdef __riscv_muldiv
        int dummy;
        /* In lieu of a halt instruction, induce a long-latency stall. */
        __asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy));
#endif

        /*
         * Reduce instruction retirement.
         * This assumes the PC changes.
         */
        ALT_RISCV_PAUSE();
        barrier();
}

#endif /* __ASSEMBLER__ */

#endif /* __ASM_VDSO_PROCESSOR_H */