1 /*- 2 * Copyright (c) 2016 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6 * under sponsorship from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef __AMD64_INCLUDE_EFI_H_ 33 #define __AMD64_INCLUDE_EFI_H_ 34 35 /* 36 * XXX: from gcc 6.2 manual: 37 * Note, the ms_abi attribute for Microsoft Windows 64-bit targets 38 * currently requires the -maccumulate-outgoing-args option. 39 * 40 * Avoid EFIABI_ATTR declarations for compilers that don't support it. 41 * GCC support began in version 4.4. 42 */ 43 #if defined(__clang__) || defined(__GNUC__) && \ 44 (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4) 45 #define EFIABI_ATTR __attribute__((ms_abi)) 46 #endif 47 48 #ifdef _KERNEL 49 #include <isa/rtc.h> 50 #define ARCH_MAY_USE_EFI 51 52 #define EFI_TIME_LOCK() mtx_lock(&atrtc_time_lock) 53 #define EFI_TIME_UNLOCK() mtx_unlock(&atrtc_time_lock) 54 #define EFI_TIME_OWNED() mtx_assert(&atrtc_time_lock, MA_OWNED) 55 56 #define EFI_RT_HANDLE_FAULTS_DEFAULT 1 57 #endif 58 59 struct efirt_callinfo { 60 const char *ec_name; 61 register_t ec_efi_status; 62 register_t ec_fptr; 63 register_t ec_argcnt; 64 register_t ec_arg1; 65 register_t ec_arg2; 66 register_t ec_arg3; 67 register_t ec_arg4; 68 register_t ec_arg5; 69 register_t ec_rbx; 70 register_t ec_rsp; 71 register_t ec_rbp; 72 register_t ec_r12; 73 register_t ec_r13; 74 register_t ec_r14; 75 register_t ec_r15; 76 register_t ec_rflags; 77 }; 78 79 #endif /* __AMD64_INCLUDE_EFI_H_ */ 80