xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / arm / monotonic_arm.c

/*
 * Copyright (c) 2017 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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 */

#include <arm/monotonic.h>
#include <kern/monotonic.h>
#include <sys/errno.h>
#include <sys/monotonic.h>

bool mt_core_supported = false;

void
mt_early_init(void)
{
}

uint64_t
mt_core_snap(__unused unsigned int ctr)
{
	return 0;
}

uint64_t
mt_count_pmis(void)
{
	return 0;
}

struct mt_cpu *
mt_cur_cpu(void)
{
	return &getCpuDatap()->cpu_monotonic;
}

int
mt_microstackshot_start_arch(__unused uint64_t period)
{
	return ENOTSUP;
}

struct mt_device mt_devices[0];