efi.h

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    1 /*-
    2  * Copyright (c) 2016 The FreeBSD Foundation
    3  *
    4  * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
    5  * under sponsorship from the FreeBSD Foundation.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   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 AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 #ifndef __AMD64_INCLUDE_EFI_H_
   32 #define __AMD64_INCLUDE_EFI_H_
   33 
   34 /*
   35  * XXX: from gcc 6.2 manual:
   36  * Note, the ms_abi attribute for Microsoft Windows 64-bit targets
   37  * currently requires the -maccumulate-outgoing-args option.
   38  *
   39  * Avoid EFIABI_ATTR declarations for compilers that don't support it.
   40  * GCC support began in version 4.4.
   41  */
   42 #if defined(__clang__) || defined(__GNUC__) && \
   43     (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4)
   44 #define EFIABI_ATTR     __attribute__((ms_abi))
   45 #endif
   46 
   47 #ifdef _KERNEL
   48 #include <isa/rtc.h>
   49 #define ARCH_MAY_USE_EFI
   50 
   51 #define EFI_TIME_LOCK()         mtx_lock(&atrtc_time_lock)
   52 #define EFI_TIME_UNLOCK()       mtx_unlock(&atrtc_time_lock)
   53 #define EFI_TIME_OWNED()        mtx_assert(&atrtc_time_lock, MA_OWNED)
   54 
   55 #define EFI_RT_HANDLE_FAULTS_DEFAULT    1
   56 #endif
   57 
   58 struct efirt_callinfo {
   59         const char      *ec_name;
   60         register_t      ec_efi_status;
   61         register_t      ec_fptr;
   62         register_t      ec_argcnt;
   63         register_t      ec_arg1;
   64         register_t      ec_arg2;
   65         register_t      ec_arg3;
   66         register_t      ec_arg4;
   67         register_t      ec_arg5;
   68         register_t      ec_rbx;
   69         register_t      ec_rsp;
   70         register_t      ec_rbp;
   71         register_t      ec_r12;
   72         register_t      ec_r13;
   73         register_t      ec_r14;
   74         register_t      ec_r15;
   75         register_t      ec_rflags;
   76 };
   77 
   78 #endif /* __AMD64_INCLUDE_EFI_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/amd64/include/efi.h

FreeBSD/Linux Kernel Cross Reference
sys/amd64/include/efi.h