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linux_machdep.c revision 1.1
      1  1.1  bjh21 /*	$NetBSD: linux_machdep.c,v 1.1 2002/01/14 23:14:38 bjh21 Exp $	*/
      2  1.1  bjh21 
      3  1.1  bjh21 /*-
      4  1.1  bjh21  * Copyright (c) 1995, 2000 The NetBSD Foundation, Inc.
      5  1.1  bjh21  * All rights reserved.
      6  1.1  bjh21  *
      7  1.1  bjh21  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  bjh21  * by Frank van der Linden.
      9  1.1  bjh21  *
     10  1.1  bjh21  * Redistribution and use in source and binary forms, with or without
     11  1.1  bjh21  * modification, are permitted provided that the following conditions
     12  1.1  bjh21  * are met:
     13  1.1  bjh21  * 1. Redistributions of source code must retain the above copyright
     14  1.1  bjh21  *    notice, this list of conditions and the following disclaimer.
     15  1.1  bjh21  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  bjh21  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  bjh21  *    documentation and/or other materials provided with the distribution.
     18  1.1  bjh21  * 3. All advertising materials mentioning features or use of this software
     19  1.1  bjh21  *    must display the following acknowledgement:
     20  1.1  bjh21  *	This product includes software developed by the NetBSD
     21  1.1  bjh21  *	Foundation, Inc. and its contributors.
     22  1.1  bjh21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1  bjh21  *    contributors may be used to endorse or promote products derived
     24  1.1  bjh21  *    from this software without specific prior written permission.
     25  1.1  bjh21  *
     26  1.1  bjh21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1  bjh21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1  bjh21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1  bjh21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1  bjh21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1  bjh21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1  bjh21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1  bjh21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1  bjh21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1  bjh21  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1  bjh21  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1  bjh21  */
     38  1.1  bjh21 
     39  1.1  bjh21 #include <sys/param.h>
     40  1.1  bjh21 
     41  1.1  bjh21 __KERNEL_RCSID(0, "$NetBSD: linux_machdep.c,v 1.1 2002/01/14 23:14:38 bjh21 Exp $");
     42  1.1  bjh21 
     43  1.1  bjh21 #include <sys/param.h>
     44  1.1  bjh21 #include <sys/systm.h>
     45  1.1  bjh21 #include <sys/signalvar.h>
     46  1.1  bjh21 #include <sys/kernel.h>
     47  1.1  bjh21 #include <sys/map.h>
     48  1.1  bjh21 #include <sys/proc.h>
     49  1.1  bjh21 #include <sys/user.h>
     50  1.1  bjh21 #include <sys/buf.h>
     51  1.1  bjh21 #include <sys/reboot.h>
     52  1.1  bjh21 #include <sys/conf.h>
     53  1.1  bjh21 #include <sys/exec.h>
     54  1.1  bjh21 #include <sys/file.h>
     55  1.1  bjh21 #include <sys/callout.h>
     56  1.1  bjh21 #include <sys/malloc.h>
     57  1.1  bjh21 #include <sys/mbuf.h>
     58  1.1  bjh21 #include <sys/msgbuf.h>
     59  1.1  bjh21 #include <sys/mount.h>
     60  1.1  bjh21 #include <sys/vnode.h>
     61  1.1  bjh21 #include <sys/device.h>
     62  1.1  bjh21 #include <sys/syscallargs.h>
     63  1.1  bjh21 #include <sys/filedesc.h>
     64  1.1  bjh21 #include <sys/exec_elf.h>
     65  1.1  bjh21 #include <sys/disklabel.h>
     66  1.1  bjh21 #include <sys/ioctl.h>
     67  1.1  bjh21 #include <miscfs/specfs/specdev.h>
     68  1.1  bjh21 
     69  1.1  bjh21 #include <compat/linux/common/linux_types.h>
     70  1.1  bjh21 #include <compat/linux/common/linux_signal.h>
     71  1.1  bjh21 #include <compat/linux/common/linux_util.h>
     72  1.1  bjh21 #include <compat/linux/common/linux_ioctl.h>
     73  1.1  bjh21 #include <compat/linux/common/linux_hdio.h>
     74  1.1  bjh21 #include <compat/linux/common/linux_exec.h>
     75  1.1  bjh21 #include <compat/linux/common/linux_machdep.h>
     76  1.1  bjh21 
     77  1.1  bjh21 #include <compat/linux/linux_syscallargs.h>
     78  1.1  bjh21 
     79  1.1  bjh21 void
     80  1.1  bjh21 linux_setregs(p, epp, stack)
     81  1.1  bjh21 	struct proc *p;
     82  1.1  bjh21 	struct exec_package *epp;
     83  1.1  bjh21 	u_long stack;
     84  1.1  bjh21 {
     85  1.1  bjh21 /*	struct pcb *pcb = &p->p_addr->u_pcb; */
     86  1.1  bjh21 
     87  1.1  bjh21 	setregs(p, epp, stack);
     88  1.1  bjh21 }
     89  1.1  bjh21 
     90  1.1  bjh21 void
     91  1.1  bjh21 linux_sendsig(catcher, sig, mask, code)
     92  1.1  bjh21 	sig_t catcher;
     93  1.1  bjh21 	int sig;
     94  1.1  bjh21 	sigset_t *mask;
     95  1.1  bjh21 	u_long code;
     96  1.1  bjh21 {
     97  1.1  bjh21 
     98  1.1  bjh21 	panic("linux_sendsig not implemented");
     99  1.1  bjh21 }
    100  1.1  bjh21 /*
    101  1.1  bjh21  * System call to cleanup state after a signal
    102  1.1  bjh21  * has been taken.  Reset signal mask and
    103  1.1  bjh21  * stack state from context left by sendsig (above).
    104  1.1  bjh21  * Return to previous pc and psl as specified by
    105  1.1  bjh21  * context left by sendsig. Check carefully to
    106  1.1  bjh21  * make sure that the user has not modified the
    107  1.1  bjh21  * psl to gain improper privileges or to cause
    108  1.1  bjh21  * a machine fault.
    109  1.1  bjh21  */
    110  1.1  bjh21 int
    111  1.1  bjh21 linux_sys_rt_sigreturn(p, v, retval)
    112  1.1  bjh21 	struct proc *p;
    113  1.1  bjh21 	void *v;
    114  1.1  bjh21 	register_t *retval;
    115  1.1  bjh21 {
    116  1.1  bjh21 	/* XXX XAX write me */
    117  1.1  bjh21 	return(ENOSYS);
    118  1.1  bjh21 }
    119  1.1  bjh21 
    120  1.1  bjh21 int
    121  1.1  bjh21 linux_sys_sigreturn(p, v, retval)
    122  1.1  bjh21 	struct proc *p;
    123  1.1  bjh21 	void *v;
    124  1.1  bjh21 	register_t *retval;
    125  1.1  bjh21 {
    126  1.1  bjh21 
    127  1.1  bjh21 	return ENOSYS;
    128  1.1  bjh21 }
    129  1.1  bjh21 
    130  1.1  bjh21 /*
    131  1.1  bjh21  * major device numbers remapping
    132  1.1  bjh21  */
    133  1.1  bjh21 dev_t
    134  1.1  bjh21 linux_fakedev(dev)
    135  1.1  bjh21 	dev_t dev;
    136  1.1  bjh21 {
    137  1.1  bjh21   /* XXX write me */
    138  1.1  bjh21   return dev;
    139  1.1  bjh21 }
    140  1.1  bjh21 
    141  1.1  bjh21 /*
    142  1.1  bjh21  * We come here in a last attempt to satisfy a Linux ioctl() call
    143  1.1  bjh21  */
    144  1.1  bjh21 int
    145  1.1  bjh21 linux_machdepioctl(p, v, retval)
    146  1.1  bjh21 	struct proc *p;
    147  1.1  bjh21 	void *v;
    148  1.1  bjh21 	register_t *retval;
    149  1.1  bjh21 {
    150  1.1  bjh21 	struct linux_sys_ioctl_args /* {
    151  1.1  bjh21 		syscallarg(int) fd;
    152  1.1  bjh21 		syscallarg(u_long) com;
    153  1.1  bjh21 		syscallarg(caddr_t) data;
    154  1.1  bjh21 	} */ *uap = v;
    155  1.1  bjh21 	struct sys_ioctl_args bia;
    156  1.1  bjh21 	u_long com;
    157  1.1  bjh21 
    158  1.1  bjh21 	SCARG(&bia, fd) = SCARG(uap, fd);
    159  1.1  bjh21 	SCARG(&bia, data) = SCARG(uap, data);
    160  1.1  bjh21 	com = SCARG(uap, com);
    161  1.1  bjh21 
    162  1.1  bjh21 	switch (com) {
    163  1.1  bjh21 	default:
    164  1.1  bjh21 		printf("linux_machdepioctl: invalid ioctl %08lx\n", com);
    165  1.1  bjh21 		return EINVAL;
    166  1.1  bjh21 	}
    167  1.1  bjh21 	SCARG(&bia, com) = com;
    168  1.1  bjh21 	return sys_ioctl(p, &bia, retval);
    169  1.1  bjh21 }
    170