98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/* $NetBSD: vm_12.c,v 1.21 2019/01/27 02:08:39 pgoyette Exp $ */
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/*
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* Copyright (c) 1997 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: vm_12.c,v 1.21 2019/01/27 02:08:39 pgoyette Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_compat_netbsd.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/syscall.h>
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#include <sys/syscallvar.h>
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#include <sys/syscallargs.h>
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#include <sys/swap.h>
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#include <sys/mman.h>
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#include <compat/common/compat_mod.h>
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static const struct syscall_package vm_12_syscalls[] = {
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{ SYS_compat_12_msync, 0, (sy_call_t *)compat_12_sys_msync },
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{ SYS_compat_12_oswapon, 0, (sy_call_t *)compat_12_sys_swapon },
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{ 0, 0, NULL }
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};
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int
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compat_12_sys_swapon(struct lwp *l,
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const struct compat_12_sys_swapon_args *uap, register_t *retval)
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{
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/* {
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syscallarg(const char *) name;
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} */
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struct sys_swapctl_args ua;
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SCARG(&ua, cmd) = SWAP_ON;
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/*XXXUNCONST*/
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SCARG(&ua, arg) = __UNCONST(SCARG(uap, name));
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SCARG(&ua, misc) = 0; /* priority */
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return (sys_swapctl(l, &ua, retval));
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}
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int
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compat_12_sys_msync(struct lwp *l,
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const struct compat_12_sys_msync_args *uap, register_t *retval)
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{
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/* {
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syscallarg(void *) addr;
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syscallarg(size_t) len;
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} */
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struct sys___msync13_args ua;
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SCARG(&ua, addr) = SCARG(uap, addr);
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SCARG(&ua, len) = SCARG(uap, len);
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SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
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return (sys___msync13(l, &ua, retval));
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}
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int
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vm_12_init(void)
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{
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return syscall_establish(NULL, vm_12_syscalls);
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}
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int
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vm_12_fini(void)
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{
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return syscall_disestablish(NULL, vm_12_syscalls);
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}
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