7804dd5212
Hardfloat is now default (use riscv64sf as TARGET_ARCH for softfloat). Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D8529
74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 2015-2016 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_REG_H_
|
|
#define _MACHINE_REG_H_
|
|
|
|
struct reg {
|
|
uint64_t ra; /* return address */
|
|
uint64_t sp; /* stack pointer */
|
|
uint64_t gp; /* global pointer */
|
|
uint64_t tp; /* thread pointer */
|
|
uint64_t t[7]; /* temporaries */
|
|
uint64_t s[12]; /* saved registers */
|
|
uint64_t a[8]; /* function arguments */
|
|
uint64_t sepc; /* exception program counter */
|
|
uint64_t sstatus; /* status register */
|
|
};
|
|
|
|
struct fpreg {
|
|
uint64_t fp_x[32][2]; /* Floating point registers */
|
|
uint64_t fp_fcsr; /* Floating point control reg */
|
|
};
|
|
|
|
struct dbreg {
|
|
int dummy;
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* XXX these interfaces are MI, so they should be declared in a MI place.
|
|
*/
|
|
int fill_regs(struct thread *, struct reg *);
|
|
int set_regs(struct thread *, struct reg *);
|
|
int fill_fpregs(struct thread *, struct fpreg *);
|
|
int set_fpregs(struct thread *, struct fpreg *);
|
|
int fill_dbregs(struct thread *, struct dbreg *);
|
|
int set_dbregs(struct thread *, struct dbreg *);
|
|
#endif
|
|
|
|
#endif /* !_MACHINE_REG_H_ */
|