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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2018 The FreeBSD Foundation
*
* This software was developed by Mark Johnston under sponsorship from
* the FreeBSD Foundation.
*
* 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 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_UCODE_H_
#define _MACHINE_UCODE_H_
struct ucode_intel_header {
uint32_t header_version;
int32_t update_revision;
uint32_t dat;
uint32_t processor_signature;
uint32_t checksum;
uint32_t loader_revision;
uint32_t processor_flags;
#define UCODE_INTEL_DEFAULT_DATA_SIZE 2000
uint32_t data_size;
uint32_t total_size;
uint32_t reserved[3];
};
struct ucode_intel_extsig_table {
uint32_t signature_count;
uint32_t signature_table_checksum;
uint32_t reserved[3];
struct ucode_intel_extsig {
uint32_t processor_signature;
uint32_t processor_flags;
uint32_t checksum;
} entries[0];
};
int ucode_intel_load(void *data, bool unsafe,
uint64_t *nrevp, uint64_t *orevp);
size_t ucode_load_bsp(uintptr_t free);
void ucode_load_ap(int cpu);
void ucode_reload(void);
void * ucode_update(void *data);
#endif /* _MACHINE_UCODE_H_ */
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