diff options
Diffstat (limited to 'usr/src/cmd/machid')
| -rw-r--r-- | usr/src/cmd/machid/Makefile | 80 | ||||
| -rw-r--r-- | usr/src/cmd/machid/machid.c | 137 |
2 files changed, 217 insertions, 0 deletions
diff --git a/usr/src/cmd/machid/Makefile b/usr/src/cmd/machid/Makefile new file mode 100644 index 0000000000..6a3c7138dc --- /dev/null +++ b/usr/src/cmd/machid/Makefile @@ -0,0 +1,80 @@ +# +# 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 +# +# +# ident "%Z%%M% %I% %E% SMI" +# +# Copyright 2004 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# + +PROG= machid + +include ../Makefile.cmd + +# +# List of all links present on all architectures and machines. +# +# Note that this function is obsolesent and we don't generally +# add to this list (see psarc/1992/171). +# +FIRSTLINK = i286 +LINKS = i386 i486 i860 i86pc iAPX286 \ + m68k mc68000 mc68010 mc68020 mc68030 mc68040 \ + sparc sun sun2 sun3 sun3x sun4 sun4c sun4m sun4d sun4e \ + u370 u3b u3b15 u3b2 u3b5 vax pdp11 + +ROOTFIRSTLINK = $(ROOTBIN)/$(FIRSTLINK) +ROOTLINKS = $(LINKS:%=$(ROOTBIN)/%) + +# +# Install the program as the first machine in the list. +# +INSTALLIT= $(INS.link) +$(ROOTFIRSTLINK):= INSTALLIT = $(INS.rename) +$(ROOTLINKS):= INSLINKTARGET = $(ROOTFIRSTLINK) + +$(ROOTLINKS): $(ROOTFIRSTLINK) + +# +# Link installation rules +# +$(ROOTBIN)/%: $(PROG) + $(INSTALLIT) + +$(ROOTFIRSTLINK): $(ROOTBIN) + +$(ROOTBIN): + $(INS.dir) + +CFLAGS += $(CCVERBOSE) + +.KEEP_STATE: + +all: $(PROG) + +install: all $(ROOTLINKS) + +clean: + +lint: lint_PROG + +include ../Makefile.targ diff --git a/usr/src/cmd/machid/machid.c b/usr/src/cmd/machid/machid.c new file mode 100644 index 0000000000..c3d57b91f9 --- /dev/null +++ b/usr/src/cmd/machid/machid.c @@ -0,0 +1,137 @@ +/* + * 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 (c) 1993-1994, by Sun Microsystems, Inc. + */ + +/* + * This program replicates the function of the links from a machine name + * (such as sun4c) through /usr/kvm to true or false as appropriate. It + * knows the correct special cases. + * + * IMPORTANT NOTE: + * + * Do not modify this program to know about additional special cases or + * reflect new platforms or instruction set architectures. This is a + * deprecated interface and strictly for backwards compatibility. This + * is psarc/1992/171. Note the following excerpt from the opinion: + * + * It is most important to note that the manual page states in + * the NOTES section: "The machid family of commands is + * obsolete. Use uname -p and uname -m instead." + * + * The intent of Kernel Architecture Project team is to provide + * only enough functionality to mimic the existing definitions + * on the SPARC and Intel x86 versions of Solaris 2.x. No new + * identifiers will ever be added to the documented and + * undocumented identifiers listed above. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <limits.h> +#include <sys/systeminfo.h> + +static char static_buf[SYS_NMLN]; +static char *progname; + +static void get_info_item(int command, char **buf, long *count); + +/* ARGSUSED */ +int +main(int argc, char *argv[], char *envp[]) +{ + char *buf = &static_buf[0]; + long buflen = SYS_NMLN; + + if ((progname = strrchr(argv[0], '/')) == NULL) + progname = argv[0]; + else + progname++; + + /* + * First possible match is on the processor type. + * + * Special case for architectures: i386 matches i486 and visa versa. + */ + get_info_item(SI_ARCHITECTURE, &buf, &buflen); + if (strcmp(buf, progname) == 0) + return (0); + if ((strcmp(buf, "i386") == 0 && strcmp(progname, "i486") == 0) || + (strcmp(buf, "i486") == 0 && strcmp(progname, "i386") == 0)) + return (0); + + /* + * Next possible match is the machine, or more exactly, the value + * which would be returned by uname(2) in the machine field or uname(1) + * with the -m option. For historical reasons this is really is + * often a class of platforms which are identical to userland processes + * such as sun4c, sun4m, etc. + */ + get_info_item(SI_MACHINE, &buf, &buflen); + if (strcmp(buf, progname) == 0) + return (0); + + /* + * Finally, match the vendor. We hardwire in one historical match. + */ + get_info_item(SI_HW_PROVIDER, &buf, &buflen); + if (strcmp(buf, progname) == 0) + return (0); + if (strcasecmp(buf, "Sun_Microsystems") == 0 && + strcmp("sun", progname) == 0) + return (0); + + return (255); +} + +/* + * get_info_item is a wrapper around the sysinfo system call. It makes sure + * the buffer is large enough, returning a larger buffer if needed. On + * unrecoverable error, it exits. An error message doesn't help and makes + * this tiny program link stdio and maybe deal with internationalization, + * so the best thing is to die silently. Note that the larger buffer is + * retained for later use. Reality is that the buffer will always be big + * enough, but this is coded to the spec rather than implementation. + */ +static void +get_info_item(int command, char **buf, long *count) +{ + long error; + + error = sysinfo(command, *buf, *count); + if (error > *count) { + *count = error; + if (*buf != static_buf) { + free(*buf); + } + *buf = (char *) malloc(*count); + error = sysinfo(command, *buf, *count); + } + + if (error == -1) + exit(-1); +} |