2018-08-13 17:13:09 +00:00
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2018 The FreeBSD Foundation
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*
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* This software was developed by Mark Johnston under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_UCODE_H_
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#define _MACHINE_UCODE_H_
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struct ucode_intel_header {
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uint32_t header_version;
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int32_t update_revision;
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uint32_t dat;
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uint32_t processor_signature;
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uint32_t checksum;
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uint32_t loader_revision;
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uint32_t processor_flags;
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#define UCODE_INTEL_DEFAULT_DATA_SIZE 2000
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uint32_t data_size;
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uint32_t total_size;
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uint32_t reserved[3];
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};
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struct ucode_intel_extsig_table {
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uint32_t signature_count;
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uint32_t signature_table_checksum;
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uint32_t reserved[3];
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struct ucode_intel_extsig {
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uint32_t processor_signature;
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uint32_t processor_flags;
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uint32_t checksum;
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} entries[0];
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};
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2018-09-14 17:04:36 +00:00
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int ucode_intel_load(void *data, bool unsafe,
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uint64_t *nrevp, uint64_t *orevp);
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2018-08-13 17:13:09 +00:00
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size_t ucode_load_bsp(uintptr_t free);
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void ucode_load_ap(int cpu);
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void ucode_reload(void);
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void * ucode_update(void *data);
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#endif /* _MACHINE_UCODE_H_ */
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