From f0089e391b2bc4be2755f1a1b51fb4cd9b8f3988 Mon Sep 17 00:00:00 2001 From: Richard Lowe Date: Fri, 4 Jun 2021 15:15:12 -0500 Subject: 13941 intel code and headers should not look ia32 specific Reviewed by: Hans Rosenfeld Reviewed by: Toomas Soome Reviewed by: Patrick Mooney Approved by: Garret D'Amore --- usr/src/uts/intel/ia32/os/copy_subr.c | 104 ---------------------------------- 1 file changed, 104 deletions(-) delete mode 100644 usr/src/uts/intel/ia32/os/copy_subr.c (limited to 'usr/src/uts/intel/ia32/os/copy_subr.c') diff --git a/usr/src/uts/intel/ia32/os/copy_subr.c b/usr/src/uts/intel/ia32/os/copy_subr.c deleted file mode 100644 index 0df1086260..0000000000 --- a/usr/src/uts/intel/ia32/os/copy_subr.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2004 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * Miscellaneous C routines for copying data around without - * descending into assembler. Compilers are pretty good at - * scheduling instructions, and humans are pretty hopeless at - * writing correct assembler. - */ - -#include -#include -#include -#include - -/* - * copyinstr_noerr and copyoutstr_noerr can be implemented completely - * in C on machines with shared user and kernel context. - */ -static int -copystr_nofault(const char *src, char *dst, size_t maxlength, - size_t *lencopied) -{ - int error = 0; - size_t leftover; - - if ((leftover = maxlength) == 0) - error = ENAMETOOLONG; - else - do { - leftover--; - if ((*dst++ = *src++) == '\0') - break; - if (leftover == 0) { - error = ENAMETOOLONG; - break; - } - /*CONSTCOND*/ - } while (1); - - if (lencopied) - *lencopied = maxlength - leftover; - return (error); -} - - -int -copyinstr_noerr(const char *uaddr, char *kaddr, size_t maxlength, - size_t *lencopied) -{ - char *ua = (char *)uaddr; - - ASSERT((uintptr_t)kaddr > kernelbase); - - if ((uintptr_t)ua > kernelbase) { - /* - * force fault at kernelbase - */ - ua = (char *)kernelbase; - } - return (copystr_nofault(ua, kaddr, maxlength, lencopied)); -} - -int -copyoutstr_noerr(const char *kaddr, char *uaddr, size_t maxlength, - size_t *lencopied) -{ - char *ua = (char *)uaddr; - - ASSERT((uintptr_t)kaddr > kernelbase); - - if ((uintptr_t)ua > kernelbase) { - /* - * force fault at kernelbase - */ - ua = (char *)kernelbase; - } - return (copystr_nofault(kaddr, ua, maxlength, lencopied)); -} -- cgit v1.2.3