/* $NetBSD: cpu_ucode.h,v 1.4.6.1 2022/10/11 18:05:44 martin Exp $ */ /* * Copyright (c) 2012 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christoph Egger. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _X86_CPU_UCODE_H_ #define _X86_CPU_UCODE_H_ #define CPU_UCODE_LOADER_AMD 0 struct cpu_ucode_version_amd { uint64_t version; }; #define CPU_UCODE_LOADER_INTEL1 1 struct cpu_ucode_version_intel1 { uint32_t ucodeversion; int platformid; }; #ifdef _KERNEL #include #include #include int cpu_ucode_amd_get_version(struct cpu_ucode_version *, void *, size_t); int cpu_ucode_amd_firmware_open(firmware_handle_t *, const char *); int cpu_ucode_amd_apply(struct cpu_ucode_softc *, int); int cpu_ucode_intel_get_version(struct cpu_ucode_version *, void *, size_t); int cpu_ucode_intel_firmware_open(firmware_handle_t *, const char *); int cpu_ucode_intel_apply(struct cpu_ucode_softc *, int); #endif /* _KERNEL */ struct intel1_ucode_header { uint32_t uh_header_ver; uint32_t uh_rev; uint32_t uh_date; uint32_t uh_signature; uint32_t uh_checksum; uint32_t uh_loader_rev; uint32_t uh_proc_flags; uint32_t uh_data_size; uint32_t uh_total_size; uint32_t uh_reserved[3]; }; struct intel1_ucode_ext_table { uint32_t uet_count; uint32_t uet_checksum; uint32_t uet_reserved[3]; }; struct intel1_ucode_proc_signature { uint32_t ups_signature; uint32_t ups_proc_flags; uint32_t ups_checksum; }; #endif