1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Roger Pau Monné <roger.pau@citrix.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef __X86_INIT_H__ 32 #define __X86_INIT_H__ 33 /* 34 * Struct containing pointers to init functions whose 35 * implementation is run time selectable. Selection can be made, 36 * for example, based on detection of a BIOS variant or 37 * hypervisor environment. 38 */ 39 struct init_ops { 40 caddr_t (*parse_preload_data)(u_int64_t); 41 void (*early_clock_source_init)(void); 42 void (*early_delay)(int); 43 void (*parse_memmap)(caddr_t, vm_paddr_t *, int *); 44 }; 45 46 extern struct init_ops init_ops; 47 48 /* Knob to disable acpi_cpu devices */ 49 extern bool acpi_cpu_disabled; 50 51 /* Knob to disable acpi_hpet device */ 52 extern bool acpi_hpet_disabled; 53 54 /* Knob to disable acpi_timer device */ 55 extern bool acpi_timer_disabled; 56 57 #endif /* __X86_INIT_H__ */ 58