xref: /freebsd/sys/amd64/include/efi.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1559a7b20SKonstantin Belousov /*-
2559a7b20SKonstantin Belousov  * Copyright (c) 2016 The FreeBSD Foundation
3559a7b20SKonstantin Belousov  *
4559a7b20SKonstantin Belousov  * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
5559a7b20SKonstantin Belousov  * under sponsorship from the FreeBSD Foundation.
6559a7b20SKonstantin Belousov  *
7559a7b20SKonstantin Belousov  * Redistribution and use in source and binary forms, with or without
8559a7b20SKonstantin Belousov  * modification, are permitted provided that the following conditions
9559a7b20SKonstantin Belousov  * are met:
10559a7b20SKonstantin Belousov  * 1. Redistributions of source code must retain the above copyright
11559a7b20SKonstantin Belousov  *    notice, this list of conditions and the following disclaimer.
12559a7b20SKonstantin Belousov  * 2. Redistributions in binary form must reproduce the above copyright
13559a7b20SKonstantin Belousov  *    notice, this list of conditions and the following disclaimer in the
14559a7b20SKonstantin Belousov  *    documentation and/or other materials provided with the distribution.
15559a7b20SKonstantin Belousov  *
16559a7b20SKonstantin Belousov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17559a7b20SKonstantin Belousov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18559a7b20SKonstantin Belousov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19559a7b20SKonstantin Belousov  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20559a7b20SKonstantin Belousov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21559a7b20SKonstantin Belousov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22559a7b20SKonstantin Belousov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23559a7b20SKonstantin Belousov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24559a7b20SKonstantin Belousov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25559a7b20SKonstantin Belousov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26559a7b20SKonstantin Belousov  * SUCH DAMAGE.
27559a7b20SKonstantin Belousov  */
28559a7b20SKonstantin Belousov 
29559a7b20SKonstantin Belousov #ifndef __AMD64_INCLUDE_EFI_H_
30559a7b20SKonstantin Belousov #define __AMD64_INCLUDE_EFI_H_
31559a7b20SKonstantin Belousov 
32559a7b20SKonstantin Belousov /*
33559a7b20SKonstantin Belousov  * XXX: from gcc 6.2 manual:
34559a7b20SKonstantin Belousov  * Note, the ms_abi attribute for Microsoft Windows 64-bit targets
35559a7b20SKonstantin Belousov  * currently requires the -maccumulate-outgoing-args option.
365e6f40bdSRyan Libby  *
375e6f40bdSRyan Libby  * Avoid EFIABI_ATTR declarations for compilers that don't support it.
385e6f40bdSRyan Libby  * GCC support began in version 4.4.
39559a7b20SKonstantin Belousov  */
405e6f40bdSRyan Libby #if defined(__clang__) || defined(__GNUC__) && \
415e6f40bdSRyan Libby     (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4)
42559a7b20SKonstantin Belousov #define	EFIABI_ATTR	__attribute__((ms_abi))
435e6f40bdSRyan Libby #endif
44559a7b20SKonstantin Belousov 
459674d763SKonstantin Belousov #ifdef _KERNEL
469674d763SKonstantin Belousov #include <isa/rtc.h>
47*a29bff7aSGreg V #define ARCH_MAY_USE_EFI
489674d763SKonstantin Belousov 
49d4be3789SKonstantin Belousov #define	EFI_TIME_LOCK()		mtx_lock(&atrtc_time_lock)
50d4be3789SKonstantin Belousov #define	EFI_TIME_UNLOCK()	mtx_unlock(&atrtc_time_lock)
51d4be3789SKonstantin Belousov #define	EFI_TIME_OWNED()	mtx_assert(&atrtc_time_lock, MA_OWNED)
5250cd0be7SKonstantin Belousov 
5350cd0be7SKonstantin Belousov #define	EFI_RT_HANDLE_FAULTS_DEFAULT	1
549674d763SKonstantin Belousov #endif
55bc3ad3a1SKonstantin Belousov 
5650cd0be7SKonstantin Belousov struct efirt_callinfo {
5750cd0be7SKonstantin Belousov 	const char	*ec_name;
5850cd0be7SKonstantin Belousov 	register_t	ec_efi_status;
5950cd0be7SKonstantin Belousov 	register_t	ec_fptr;
6050cd0be7SKonstantin Belousov 	register_t	ec_argcnt;
6150cd0be7SKonstantin Belousov 	register_t	ec_arg1;
6250cd0be7SKonstantin Belousov 	register_t	ec_arg2;
6350cd0be7SKonstantin Belousov 	register_t	ec_arg3;
6450cd0be7SKonstantin Belousov 	register_t	ec_arg4;
6550cd0be7SKonstantin Belousov 	register_t	ec_arg5;
6650cd0be7SKonstantin Belousov 	register_t	ec_rbx;
6750cd0be7SKonstantin Belousov 	register_t	ec_rsp;
6850cd0be7SKonstantin Belousov 	register_t	ec_rbp;
6950cd0be7SKonstantin Belousov 	register_t	ec_r12;
7050cd0be7SKonstantin Belousov 	register_t	ec_r13;
7150cd0be7SKonstantin Belousov 	register_t	ec_r14;
7250cd0be7SKonstantin Belousov 	register_t	ec_r15;
73185f7e0aSKonstantin Belousov 	register_t	ec_rflags;
7450cd0be7SKonstantin Belousov };
7550cd0be7SKonstantin Belousov 
76559a7b20SKonstantin Belousov #endif /* __AMD64_INCLUDE_EFI_H_ */
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