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compat_60_mod.c revision 1.1.2.8 
      1 /*	$NetBSD: compat_60_mod.c,v 1.1.2.8 2018/03/18 12:06:59 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 1.1.2.8 2018/03/18 12:06:59 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 #include <compat/sys/cpuio.h>
     55 
     56 #define REQUIRED_60 "compat_70"		/* XXX No compat_80 yet */
     57 MODULE(MODULE_CLASS_EXEC, compat_60, REQUIRED_60);
     58 
     59 int
     60 compat_60_init(void)
     61 {
     62 	int error = 0;
     63 
     64 	error = kern_time_60_init();
     65 	if (error != 0)
     66 		return error;
     67 
     68 	error = kern_sa_60_init();
     69 	if (error != 0) {
     70 		kern_time_60_fini();
     71 		return 0;
     72 	}
     73 
     74 	error = kern_tty_60_init();
     75 	if (error != 0) {
     76 		kern_sa_60_fini();
     77 		kern_time_60_fini();
     78 		return 0;
     79 	}
     80 
     81 #ifdef CPU_UCODE
     82 	error = kern_cpu_60_init();
     83 	if (error != 0) {
     84 		kern_tty_60_fini();
     85 		kern_sa_60_fini();
     86 		kern_time_60_fini();
     87 		return 0;
     88 	}
     89 #endif
     90 
     91 	return error;
     92 }
     93 
     94 int
     95 compat_60_fini(void)
     96 {
     97 	int error = 0;
     98 
     99 #ifdef CPU_UCODE
    100 	error = kern_cpu_60_fini();
    101 	if (error != 0)
    102 		return error;
    103 #endif
    104 
    105 	error = kern_tty_60_fini();
    106 	if (error != 0) {
    107 #ifdef CPU_UCODE
    108 		kern_cpu_60_init();
    109 #endif
    110 		return error;
    111 	}
    112 
    113 	error = kern_sa_60_fini();
    114 	if (error != 0) {
    115 		kern_tty_60_init();
    116 #ifdef CPU_UCODE
    117 		kern_cpu_60_init();
    118 #endif
    119 		return error;
    120 	}
    121 
    122 	error = kern_time_60_fini();
    123 	if (error != 0) {
    124 		kern_tty_60_init();
    125 		kern_sa_60_init();
    126 #ifdef CPU_UCODE
    127 		kern_cpu_60_init();
    128 #endif
    129 		return error;
    130 	}
    131 
    132 	return error;
    133 }
    134 
    135 static int
    136 compat_60_modcmd(modcmd_t cmd, void *arg)
    137 {
    138 
    139 	switch (cmd) {
    140 	case MODULE_CMD_INIT:
    141 		return compat_60_init();
    142 	case MODULE_CMD_FINI:
    143 		return compat_60_init();
    144 	default:
    145 		return ENOTTY;
    146 	}
    147 }
    148