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      1 /*	$NetBSD: proc.h,v 1.15 2021/03/07 14:31:53 rin Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5  * Copyright (C) 1995, 1996 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _POWERPC_PROC_H_
     35 #define _POWERPC_PROC_H_
     36 
     37 #ifdef _KERNEL_OPT
     38 #include "opt_modular.h"
     39 #include "opt_ppcarch.h"
     40 #endif
     41 
     42 /*
     43  * Machine-dependent part of the lwp structure
     44  */
     45 struct mdlwp {
     46 	volatile int md_flags;
     47 	volatile int md_astpending;
     48 	struct trapframe *md_utf;		/* user trampframe */
     49 };
     50 
     51 struct trapframe;
     52 
     53 struct mdproc {
     54 	void (*md_syscall)(struct trapframe *);
     55 #if defined(PPC_BOOKE) || defined(PPC_IBM4XX) || \
     56     ((defined(MODULAR) || defined(_MODULE)) && !defined(_LP64))
     57 	vaddr_t md_ss_addr[2];
     58 	uint32_t md_ss_insn[2];
     59 #endif
     60 };
     61 
     62 #ifdef _KERNEL
     63 #define	LWP0_CPU_INFO	&cpu_info[0]
     64 #define	LWP0_MD_INITIALIZER {	\
     65 		.md_flags = 0, \
     66 		.md_utf = (void *)0xdeadbeef, \
     67 	}
     68 #endif /* _KERNEL */
     69 
     70 #endif /* _POWERPC_PROC_H_ */
     71