freebsd-nq/sys/riscv/include/ucontext.h
Ruslan Bukin 8d7e7a98db Import RISC-V machine headers. This is a minimal set required to compile
kernel and userland.

Reviewed by:	andrew, imp, kib
Sponsored by:	DARPA, AFRL
Sponsored by:	HEIF5
Differential Revision:	https://reviews.freebsd.org/D4554
2015-12-17 18:44:30 +00:00

71 lines
2.4 KiB
C

/*-
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
*
* Portions of this software were developed by SRI International and the
* University of Cambridge Computer Laboratory under DARPA/AFRL contract
* FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
*
* Portions of this software were developed by the University of Cambridge
* Computer Laboratory as part of the CTSRD Project, with support from the
* UK Higher Education Innovation Fund (HEIF).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_UCONTEXT_H_
#define _MACHINE_UCONTEXT_H_
struct gpregs {
__register_t gp_ra;
__register_t gp_sp;
__register_t gp_gp;
__register_t gp_tp;
__register_t gp_t[7];
__register_t gp_s[12];
__register_t gp_a[8];
__register_t gp_sepc;
__register_t gp_sstatus;
};
struct fpregs {
__uint128_t fp_x[32];
__uint64_t fp_fcsr;
int fp_flags;
int pad;
};
struct __mcontext {
struct gpregs mc_gpregs;
struct fpregs mc_fpregs;
int mc_flags;
#define _MC_FP_VALID 0x1 /* Set when mc_fpregs has valid data */
int mc_pad;
__uint64_t mc_spare[8]; /* Space for expansion */
};
typedef struct __mcontext mcontext_t;
#endif /* !_MACHINE_UCONTEXT_H_ */