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.c,v 1.11 2020/06/20 07:10:36 skrll Exp $"); 33 34 #ifdef _KERNEL_OPT 35 #include "opt_compat_netbsd.h" 36 #include "opt_compat_netbsd32.h" 37 #endif 38 39 #include <sys/param.h> 40 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 void 110 netbsd32_machdep_md_init(void) 111 { 112 113 /* nothing to do */ 114 } 115 116 void 117 netbsd32_machdep_md_fini(void) 118 { 119 120 /* nothing to do */ 121 } 122 123