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      1 /*	$NetBSD: proc.h,v 1.20 2024/02/10 18:43:51 andvar Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Mark Brinicombe.
      5  * All rights reserved.
      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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the RiscBSD team.
     18  * 4. The name "RiscBSD" nor the name of the author may be used to
     19  *    endorse or promote products derived from this software without specific
     20  *    prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
     23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #ifndef _ARM_PROC_H_
     36 #define _ARM_PROC_H_
     37 
     38 /*
     39  * Machine-dependent part of the proc structure for arm.
     40  */
     41 
     42 struct trapframe;
     43 struct lwp;
     44 
     45 struct mdlwp {
     46 	struct trapframe *md_tf;
     47 	int	md_flags;
     48 	volatile uint32_t md_astpending;
     49 };
     50 
     51 /* Flags settings for md_flags */
     52 #define MDLWP_NOALIGNFLT	0x00000002	/* For EXEC_AOUT */
     53 #define MDLWP_VFPINTR		0x00000004	/* VFP used in intr */
     54 
     55 
     56 struct mdproc {
     57 	void	(*md_syscall)(struct trapframe *, struct lwp *, uint32_t);
     58 	int	pmc_enabled;		/* bitfield of enabled counters */
     59 	void	*pmc_state;		/* port-specific pmc state */
     60 	char	md_march[12];		/* machine arch of executable */
     61 };
     62 
     63 #define	PROC_MACHINE_ARCH(P)	((P)->p_md.md_march)
     64 #define	PROC0_MD_INITIALIZERS	.p_md = { .md_march = MACHINE_ARCH },
     65 
     66 #endif /* _ARM_PROC_H_ */
     67