1*97edfc1bSMark Johnston /*- 2*97edfc1bSMark Johnston * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*97edfc1bSMark Johnston * 4*97edfc1bSMark Johnston * Copyright (c) 2018 The FreeBSD Foundation 5*97edfc1bSMark Johnston * 6*97edfc1bSMark Johnston * This software was developed by Mark Johnston under sponsorship from 7*97edfc1bSMark Johnston * the FreeBSD Foundation. 8*97edfc1bSMark Johnston * 9*97edfc1bSMark Johnston * Redistribution and use in source and binary forms, with or without 10*97edfc1bSMark Johnston * modification, are permitted provided that the following conditions 11*97edfc1bSMark Johnston * are met: 12*97edfc1bSMark Johnston * 1. Redistributions of source code must retain the above copyright 13*97edfc1bSMark Johnston * notice, this list of conditions and the following disclaimer. 14*97edfc1bSMark Johnston * 2. Redistributions in binary form must reproduce the above copyright 15*97edfc1bSMark Johnston * notice, this list of conditions and the following disclaimer in the 16*97edfc1bSMark Johnston * documentation and/or other materials provided with the distribution. 17*97edfc1bSMark Johnston * 18*97edfc1bSMark Johnston * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19*97edfc1bSMark Johnston * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*97edfc1bSMark Johnston * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*97edfc1bSMark Johnston * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22*97edfc1bSMark Johnston * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*97edfc1bSMark Johnston * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*97edfc1bSMark Johnston * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*97edfc1bSMark Johnston * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*97edfc1bSMark Johnston * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*97edfc1bSMark Johnston * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*97edfc1bSMark Johnston * SUCH DAMAGE. 29*97edfc1bSMark Johnston * 30*97edfc1bSMark Johnston * $FreeBSD$ 31*97edfc1bSMark Johnston */ 32*97edfc1bSMark Johnston 33*97edfc1bSMark Johnston #ifndef _MACHINE_UCODE_H_ 34*97edfc1bSMark Johnston #define _MACHINE_UCODE_H_ 35*97edfc1bSMark Johnston 36*97edfc1bSMark Johnston struct ucode_intel_header { 37*97edfc1bSMark Johnston uint32_t header_version; 38*97edfc1bSMark Johnston int32_t update_revision; 39*97edfc1bSMark Johnston uint32_t dat; 40*97edfc1bSMark Johnston uint32_t processor_signature; 41*97edfc1bSMark Johnston uint32_t checksum; 42*97edfc1bSMark Johnston uint32_t loader_revision; 43*97edfc1bSMark Johnston uint32_t processor_flags; 44*97edfc1bSMark Johnston #define UCODE_INTEL_DEFAULT_DATA_SIZE 2000 45*97edfc1bSMark Johnston uint32_t data_size; 46*97edfc1bSMark Johnston uint32_t total_size; 47*97edfc1bSMark Johnston uint32_t reserved[3]; 48*97edfc1bSMark Johnston }; 49*97edfc1bSMark Johnston 50*97edfc1bSMark Johnston struct ucode_intel_extsig_table { 51*97edfc1bSMark Johnston uint32_t signature_count; 52*97edfc1bSMark Johnston uint32_t signature_table_checksum; 53*97edfc1bSMark Johnston uint32_t reserved[3]; 54*97edfc1bSMark Johnston struct ucode_intel_extsig { 55*97edfc1bSMark Johnston uint32_t processor_signature; 56*97edfc1bSMark Johnston uint32_t processor_flags; 57*97edfc1bSMark Johnston uint32_t checksum; 58*97edfc1bSMark Johnston } entries[0]; 59*97edfc1bSMark Johnston }; 60*97edfc1bSMark Johnston 61*97edfc1bSMark Johnston int ucode_intel_load(void *data, bool unsafe); 62*97edfc1bSMark Johnston size_t ucode_load_bsp(uintptr_t free); 63*97edfc1bSMark Johnston void ucode_load_ap(int cpu); 64*97edfc1bSMark Johnston void ucode_reload(void); 65*97edfc1bSMark Johnston void * ucode_update(void *data); 66*97edfc1bSMark Johnston 67*97edfc1bSMark Johnston #endif /* _MACHINE_UCODE_H_ */ 68