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netbsd32_machdep_16.c revision 1.1.2.2 
      1 /*-
      2  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Matt Thomas of 3am Software Foundry.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <sys/cdefs.h>
     31 
     32 __KERNEL_RCSID(1, "$NetBSD: netbsd32_machdep_16.c,v 1.1.2.2 2018/09/27 02:41:20 pgoyette Exp $");
     33 
     34 #ifdef _KERNEL_OPT
     35 #include "opt_compat_netbsd.h"
     36 #include "opt_compat_netbsd32.h"
     37 #include "opt_coredump.h"
     38 #endif
     39 
     40 #include <sys/param.h>
     41 #include <sys/core.h>
     42 #include <sys/exec.h>
     43 #include <sys/lwp.h>
     44 #include <sys/signalvar.h>
     45 #include <sys/syscallargs.h>
     46 
     47 #include <uvm/uvm_extern.h>
     48 
     49 #include <compat/netbsd32/netbsd32.h>
     50 #include <compat/netbsd32/netbsd32_exec.h>
     51 #include <compat/netbsd32/netbsd32_syscallargs.h>
     52 
     53 const char machine32[] = MACHINE;
     54 const char machine_arch32[] = MACHINE_ARCH;
     55 
     56 int
     57 cpu_coredump32(struct lwp *l, struct coredump_iostate *iocookie,
     58     struct core32 *chdr)
     59 {
     60 	return cpu_coredump(l, iocookie, (struct core *)chdr);
     61 }
     62 
     63 void
     64 netbsd32_sendsig (const ksiginfo_t *ksi, const sigset_t *ss)
     65 {
     66 	sendsig(ksi, ss);
     67 }
     68 
     69 void
     70 startlwp32(void *arg)
     71 {
     72 	startlwp(arg);
     73 }
     74 
     75 int
     76 cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
     77 {
     78 	return cpu_mcontext_validate(l, mcp);
     79 }
     80 void
     81 cpu_getmcontext32(struct lwp *l, mcontext32_t *mcp, unsigned int *flagsp)
     82 {
     83 	cpu_getmcontext(l, mcp, flagsp);
     84 }
     85 
     86 int
     87 cpu_setmcontext32(struct lwp *l, const mcontext32_t *mcp, unsigned int flags)
     88 {
     89 	return cpu_setmcontext(l, mcp, flags);
     90 }
     91 
     92 int
     93 netbsd32_sysarch(struct lwp *l, const struct netbsd32_sysarch_args *uap,
     94 	register_t *retval)
     95 {
     96 	return sys_sysarch(l, (const struct sys_sysarch_args *)uap, retval);
     97 }
     98 
     99 vaddr_t
    100 netbsd32_vm_default_addr(struct proc *p, vaddr_t base, vsize_t sz,
    101     int topdown)
    102 {
    103 	if (topdown)
    104 		return VM_DEFAULT_ADDRESS_TOPDOWN(base, sz);
    105 	else
    106 		return VM_DEFAULT_ADDRESS_BOTTOMUP(base, sz);
    107 }
    108 
    109 
    110 #ifdef COMPAT_13
    111 int
    112 compat_13_netbsd32_sigreturn(struct lwp *l,
    113 	const struct compat_13_netbsd32_sigreturn_args *uap,
    114 	register_t *retval)
    115 {
    116 	struct compat_13_sys_sigreturn_args ua;
    117 
    118 	NETBSD32TOP_UAP(sigcntxp, struct sigcontext13 *);
    119 
    120 	return compat_13_sys_sigreturn(l, &ua, retval);
    121 }
    122 #endif
    123 
    124 #ifdef COMPAT_16
    125 int
    126 compat_16_netbsd32___sigreturn14(struct lwp *l,
    127 	const struct compat_16_netbsd32___sigreturn14_args *uap,
    128 	register_t *retval)
    129 {
    130 	struct compat_16_sys___sigreturn14_args ua;
    131 
    132 	NETBSD32TOP_UAP(sigcntxp, struct sigcontext *);
    133 
    134 	return compat_16_sys___sigreturn14(l, &ua, retval);
    135 }
    136 #endif
    137