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compat_60_mod.c revision 1.1.2.6 
      1 /*	$NetBSD: compat_60_mod.c,v 1.1.2.6 2018/03/18 02:05:21 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software developed for The NetBSD Foundation
      8  * by Andrew Doran.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Linkage for the compat module: spaghetti.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: compat_60_mod.c,v 1.1.2.6 2018/03/18 02:05:21 pgoyette Exp $");
     38 
     39 #ifdef _KERNEL_OPT
     40 #include "opt_compat_netbsd.h"
     41 #include "opt_compat_43.h"
     42 #endif
     43 
     44 #include <sys/systm.h>
     45 #include <sys/module.h>
     46 #include <sys/sysctl.h>
     47 #include <sys/syscall.h>
     48 #include <sys/syscallvar.h>
     49 #include <sys/syscallargs.h>
     50 
     51 #include <compat/common/compat_util.h>
     52 #include <compat/common/compat_mod.h>
     53 
     54 #define REQUIRED_60 "compat_70"		/* XXX No compat_80 yet */
     55 MODULE(MODULE_CLASS_EXEC, compat_60, REQUIRED_60);
     56 
     57 int
     58 compat_60_init()
     59 {
     60 	int error = 0;
     61 
     62 	error = kern_time_60_init();
     63 	if (error != 0)
     64 		return error;
     65 
     66 #ifdef CPU_UCODE
     67 	error = kern_cpu_60_init();
     68 	if (error != 0) {
     69 		kern_time_60_fini();
     70 		return 0;
     71 	}
     72 #endif
     73 
     74 	return error;
     75 }
     76 
     77 int
     78 compat_60_fini()
     79 {
     80 	int error = 0;
     81 
     82 #ifdef CPU_UCODE
     83 	error = kern_cpu_60_fini();
     84 	if (error != 0)
     85 		return error;
     86 #endif
     87 
     88 	error = kern_time_60_fini();
     89 	if (error != 0)
     90 		kern_cpu_60_init();
     91 
     92 	return error;
     93 }
     94 
     95 static int
     96 compat_60_modcmd(modcmd_t cmd, void *arg)
     97 {
     98 
     99 	switch (cmd) {
    100 	case MODULE_CMD_INIT:
    101 		return compat_60_init();
    102 	case MODULE_CMD_FINI:
    103 		return compat_60_init();
    104 	default:
    105 		return ENOTTY;
    106 	}
    107 }
    108