HardenedBSD/usr.sbin/cpucontrol/amd.h
Chuck Silvers 34467bd762 x86/ucode: add support for early loading of CPU ucode on AMD.
Sponsored by:	Netflix
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D43318
2024-02-22 10:04:31 -08:00

52 lines
1.8 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2006, 2008 Stanislav Sedov <stas@FreeBSD.org>.
* All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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 AMD_H
#define AMD_H
/*
* Prototypes.
*/
ucode_probe_t amd_probe;
ucode_update_t amd_update;
ucode_probe_t amd10h_probe;
ucode_update_t amd10h_update;
typedef struct amd_fw_header {
uint32_t date; /* Update creation date. */
uint32_t xz0[2];
uint32_t checksum; /* ucode checksum. */
uint32_t xz1[2];
uint32_t signature; /* Low byte of cpuid(0). */
uint32_t magic; /* 0x0Xaaaaaa */
uint32_t xz2[8];
} amd_fw_header_t;
#define AMD_MAGIC 0xaaaaaa
#endif /* !AMD_H */