1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2021 Dmitry Chagin <dchagin@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _X86_INCLUDE_LINUX_LINUX_X86_H_ 29 #define _X86_INCLUDE_LINUX_LINUX_X86_H_ 30 31 #define LINUX_VDSO_CPU_DEFAULT 0 32 #define LINUX_VDSO_CPU_RDPID 1 33 #define LINUX_VDSO_CPU_RDTSCP 2 34 35 /* More machine dependent hints about processor capabilities. */ 36 #define LINUX_HWCAP2_RING3MWAIT 0x00000001 37 #define LINUX_HWCAP2_FSGSBASE 0x00000002 38 39 int linux_vdso_tsc_selector_idx(void); 40 int linux_vdso_cpu_selector_idx(void); 41 42 int linux_translate_traps(int, int); 43 int bsd_to_linux_trapcode(int); 44 45 u_int linux_x86_elf_hwcap2(void); 46 47 #endif /* _X86_INCLUDE_LINUX_LINUX_X86_H_ */ 48