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      1 /*	$NetBSD: linux_syscall.c,v 1.3 2024/02/07 04:20:26 msaitoh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2021 Ryo Shimizu
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: linux_syscall.c,v 1.3 2024/02/07 04:20:26 msaitoh Exp $");
     31 
     32 #if defined(_KERNEL_OPT)
     33 #include "opt_compat_linux.h"
     34 #endif
     35 
     36 #include <compat/linux/linux_syscall.h>
     37 #include <compat/linux/common/linux_errno.h>
     38 
     39 #define EMULNAME(x)		__CONCAT(linux_,x)
     40 #define EMULNAMEU(x)		__CONCAT(LINUX_,x)
     41 
     42 
     43 /*
     44  * syscall.c behavior options
     45  */
     46 
     47 /*
     48  * linux/arm64 always uses indirect syscall, and ignores code of 'svc #<code>'.
     49  * The system call number is specified by the x8 register.
     50  */
     51 #define SYSCALL_CODE_REG	8
     52 #define SYSCALL_NO_INDIRECT
     53 
     54 /* used when __HAVE_MINIMAL_EMUL is not defined */
     55 #define SYSCALL_EMUL_ERRNO(x)	native_to_linux_errno[x]
     56 
     57 /* don't update x1 register with rval[1] */
     58 #define SYSCALL_NO_RVAL1
     59 
     60 #include "syscall.c"
     61