1 1.5 msaitoh /* $NetBSD: cpu_ucode.h,v 1.5 2022/09/15 14:34:22 msaitoh Exp $ */ 2 1.1 cegger /* 3 1.1 cegger * Copyright (c) 2012 The NetBSD Foundation, Inc. 4 1.1 cegger * All rights reserved. 5 1.1 cegger * 6 1.1 cegger * This code is derived from software contributed to The NetBSD Foundation 7 1.1 cegger * by Christoph Egger. 8 1.1 cegger * 9 1.1 cegger * Redistribution and use in source and binary forms, with or without 10 1.1 cegger * modification, are permitted provided that the following conditions 11 1.1 cegger * are met: 12 1.1 cegger * 1. Redistributions of source code must retain the above copyright 13 1.1 cegger * notice, this list of conditions and the following disclaimer. 14 1.1 cegger * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 cegger * notice, this list of conditions and the following disclaimer in the 16 1.1 cegger * documentation and/or other materials provided with the distribution. 17 1.1 cegger * 18 1.1 cegger * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.1 cegger * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.1 cegger * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.1 cegger * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.1 cegger * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.1 cegger * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.1 cegger * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.1 cegger * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.1 cegger * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.1 cegger * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.1 cegger * POSSIBILITY OF SUCH DAMAGE. 29 1.1 cegger */ 30 1.1 cegger 31 1.1 cegger #ifndef _X86_CPU_UCODE_H_ 32 1.1 cegger #define _X86_CPU_UCODE_H_ 33 1.1 cegger 34 1.2 drochner #define CPU_UCODE_LOADER_AMD 0 35 1.2 drochner struct cpu_ucode_version_amd { 36 1.2 drochner uint64_t version; 37 1.2 drochner }; 38 1.2 drochner 39 1.2 drochner #define CPU_UCODE_LOADER_INTEL1 1 40 1.2 drochner struct cpu_ucode_version_intel1 { 41 1.2 drochner uint32_t ucodeversion; 42 1.2 drochner int platformid; 43 1.2 drochner }; 44 1.2 drochner 45 1.2 drochner #ifdef _KERNEL 46 1.1 cegger #include <sys/cpu.h> 47 1.1 cegger #include <sys/cpuio.h> 48 1.1 cegger #include <dev/firmload.h> 49 1.1 cegger 50 1.4 christos int cpu_ucode_amd_get_version(struct cpu_ucode_version *, void *, size_t); 51 1.1 cegger int cpu_ucode_amd_firmware_open(firmware_handle_t *, const char *); 52 1.2 drochner int cpu_ucode_amd_apply(struct cpu_ucode_softc *, int); 53 1.2 drochner 54 1.4 christos int cpu_ucode_intel_get_version(struct cpu_ucode_version *, void *, size_t); 55 1.2 drochner int cpu_ucode_intel_firmware_open(firmware_handle_t *, const char *); 56 1.2 drochner int cpu_ucode_intel_apply(struct cpu_ucode_softc *, int); 57 1.2 drochner #endif /* _KERNEL */ 58 1.2 drochner 59 1.2 drochner struct intel1_ucode_header { 60 1.2 drochner uint32_t uh_header_ver; 61 1.2 drochner uint32_t uh_rev; 62 1.2 drochner uint32_t uh_date; 63 1.2 drochner uint32_t uh_signature; 64 1.2 drochner uint32_t uh_checksum; 65 1.2 drochner uint32_t uh_loader_rev; 66 1.2 drochner uint32_t uh_proc_flags; 67 1.2 drochner uint32_t uh_data_size; 68 1.2 drochner uint32_t uh_total_size; 69 1.2 drochner uint32_t uh_reserved[3]; 70 1.2 drochner }; 71 1.2 drochner 72 1.5 msaitoh struct intel1_ucode_ext_table { 73 1.5 msaitoh uint32_t uet_count; 74 1.5 msaitoh uint32_t uet_checksum; 75 1.5 msaitoh uint32_t uet_reserved[3]; 76 1.5 msaitoh }; 77 1.5 msaitoh 78 1.2 drochner struct intel1_ucode_proc_signature { 79 1.2 drochner uint32_t ups_signature; 80 1.2 drochner uint32_t ups_proc_flags; 81 1.2 drochner uint32_t ups_checksum; 82 1.2 drochner }; 83 1.2 drochner 84 1.1 cegger #endif 85
Indexes created Sat Sep 20 22:09:52 GMT 2025