processor.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause
    3  *
    4  * Copyright (c) 2021 Vladimir Kondratyev <wulf@FreeBSD.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  *
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #ifndef _LINUXKPI_ASM_PROCESSOR_H_
   29 #define _LINUXKPI_ASM_PROCESSOR_H_
   30 
   31 #include <sys/types.h>
   32 #include <machine/cpufunc.h>
   33 #include <machine/cpu.h>
   34 
   35 #if defined(__i386__) || defined(__amd64__)
   36 struct cpuinfo_x86 {
   37         uint8_t         x86;
   38         uint16_t        x86_clflush_size;
   39         uint16_t        x86_max_cores;
   40 };
   41 
   42 extern struct cpuinfo_x86       boot_cpu_data;
   43 #endif
   44 
   45 #define cpu_relax()     cpu_spinwait()
   46 
   47 #endif  /* _LINUXKPI_ASM_PROCESSOR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/compat/linuxkpi/common/include/asm/processor.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/asm/processor.h