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 29 #ifndef __AMD64_INCLUDE_EFI_H_ 30 #define __AMD64_INCLUDE_EFI_H_ 31 32 /* 33 * XXX: from gcc 6.2 manual: 34 * Note, the ms_abi attribute for Microsoft Windows 64-bit targets 35 * currently requires the -maccumulate-outgoing-args option. 36 * 37 * Avoid EFIABI_ATTR declarations for compilers that don't support it. 38 * GCC support began in version 4.4. 39 */ 40 #if defined(__clang__) || defined(__GNUC__) && \ 41 (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4) 42 #define EFIABI_ATTR __attribute__((ms_abi)) 43 #endif 44 45 #ifdef _KERNEL 46 #include <isa/rtc.h> 47 #define ARCH_MAY_USE_EFI 48 49 #define EFI_TIME_LOCK() mtx_lock(&atrtc_time_lock) 50 #define EFI_TIME_UNLOCK() mtx_unlock(&atrtc_time_lock) 51 #define EFI_TIME_OWNED() mtx_assert(&atrtc_time_lock, MA_OWNED) 52 53 #define EFI_RT_HANDLE_FAULTS_DEFAULT 1 54 #endif 55 56 struct efirt_callinfo { 57 const char *ec_name; 58 register_t ec_efi_status; 59 register_t ec_fptr; 60 register_t ec_argcnt; 61 register_t ec_arg1; 62 register_t ec_arg2; 63 register_t ec_arg3; 64 register_t ec_arg4; 65 register_t ec_arg5; 66 register_t ec_rbx; 67 register_t ec_rsp; 68 register_t ec_rbp; 69 register_t ec_r12; 70 register_t ec_r13; 71 register_t ec_r14; 72 register_t ec_r15; 73 register_t ec_rflags; 74 }; 75 76 #endif /* __AMD64_INCLUDE_EFI_H_ */ 77