HardenedBSD/sys/arm64/include/undefined.h
Warner Losh 95ee2897e9 sys: Remove $FreeBSD$: two-line .h pattern
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
2023-08-16 11:54:11 -06:00

67 lines
2.3 KiB
C

/*-
* Copyright (c) 2017 Andrew Turner
* All rights reserved.
*
* This software was 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.
*
* 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.
*/
#ifndef _MACHINE__UNDEFINED_H_
#define _MACHINE__UNDEFINED_H_
#ifdef _KERNEL
typedef int (*undef_handler_t)(vm_offset_t, uint32_t, struct trapframe *,
uint32_t);
static inline int
mrs_Op0(uint32_t insn)
{
/* op0 is encoded without the top bit in a mrs instruction */
return (2 | ((insn & MRS_Op0_MASK) >> MRS_Op0_SHIFT));
}
#define MRS_GET(op) \
static inline int \
mrs_##op(uint32_t insn) \
{ \
\
return ((insn & MRS_##op##_MASK) >> MRS_##op##_SHIFT); \
}
MRS_GET(Op1)
MRS_GET(CRn)
MRS_GET(CRm)
MRS_GET(Op2)
void undef_init(void);
void *install_undef_handler(bool, undef_handler_t);
void remove_undef_handler(void *);
int undef_insn(u_int, struct trapframe *);
#endif /* _KERNEL */
#endif