967 lines
19 KiB
Plaintext
967 lines
19 KiB
Plaintext
%union {
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char *str;
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int val;
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struct file_list *file;
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struct idlst *lst;
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}
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%token AND
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%token ANY
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%token ARGS
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%token AT
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%token BIO
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%token COMMA
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%token CONFIG
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%token CONTROLLER
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%token CPU
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%token CSR
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%token DEVICE
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%token DISK
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%token DRIVE
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%token DRQ
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%token DST
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%token DUMPS
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%token EQUALS
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%token FLAGS
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%token HZ
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%token IDENT
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%token IOMEM
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%token IOSIZ
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%token IRQ
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%token MACHINE
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%token MAJOR
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%token MASTER
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%token MAXFDESCS
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%token MAXUSERS
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%token MINOR
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%token MINUS
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%token NET
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%token NEXUS
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%token ON
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%token OPTIONS
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%token MAKEOPTIONS
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%token PORT
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%token PRIORITY
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%token PSEUDO_DEVICE
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%token ROOT
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%token SEMICOLON
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%token SIZE
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%token SLAVE
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%token SWAP
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%token TIMEZONE
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%token TTY
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%token TRACE
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%token VECTOR
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%token <str> ID
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%token <val> NUMBER
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%token <val> FPNUMBER
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%type <str> Save_id
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%type <str> Opt_value
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%type <str> Dev
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%type <lst> Id_list
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%type <val> optional_size
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%type <str> device_name
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%type <val> major_minor
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%type <val> arg_device_spec
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%type <val> root_device_spec
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%type <val> dump_device_spec
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%type <file> swap_device_spec
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%{
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/*
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* Copyright (c) 1988 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)config.y 5.14 (Berkeley) 7/1/91
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*/
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#include "config.h"
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#include <ctype.h>
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#include <stdio.h>
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struct device cur;
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struct device *curp = 0;
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char *temp_id;
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char *val_id;
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%}
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%%
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Configuration:
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Many_specs
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= { verifysystemspecs(); }
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;
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Many_specs:
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Many_specs Spec
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/* lambda */
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;
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Spec:
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Device_spec SEMICOLON
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= { newdev(&cur); } |
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Config_spec SEMICOLON
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TRACE SEMICOLON
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= { do_trace = !do_trace; } |
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SEMICOLON
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error SEMICOLON
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;
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Config_spec:
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MACHINE Save_id
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= {
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if (!strcmp($2, "vax")) {
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machine = MACHINE_VAX;
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machinename = "vax";
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} else if (!strcmp($2, "tahoe")) {
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machine = MACHINE_TAHOE;
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machinename = "tahoe";
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} else if (!strcmp($2, "hp300")) {
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machine = MACHINE_HP300;
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machinename = "hp300";
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} else if (!strcmp($2, "i386")) {
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machine = MACHINE_I386;
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machinename = "i386";
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} else
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yyerror("Unknown machine type");
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} |
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CPU Save_id
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= {
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struct cputype *cp =
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(struct cputype *)malloc(sizeof (struct cputype));
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cp->cpu_name = ns($2);
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cp->cpu_next = cputype;
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cputype = cp;
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free(temp_id);
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} |
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OPTIONS Opt_list
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MAKEOPTIONS Mkopt_list
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IDENT ID
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= { ident = ns($2); } |
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System_spec
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HZ NUMBER
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= { yyerror("HZ specification obsolete; delete"); } |
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TIMEZONE NUMBER
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= { zone = 60 * $2; check_tz(); } |
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TIMEZONE NUMBER DST NUMBER
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= { zone = 60 * $2; dst = $4; check_tz(); } |
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TIMEZONE NUMBER DST
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= { zone = 60 * $2; dst = 1; check_tz(); } |
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TIMEZONE FPNUMBER
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= { zone = $2; check_tz(); } |
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TIMEZONE FPNUMBER DST NUMBER
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= { zone = $2; dst = $4; check_tz(); } |
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TIMEZONE FPNUMBER DST
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= { zone = $2; dst = 1; check_tz(); } |
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TIMEZONE MINUS NUMBER
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= { zone = -60 * $3; check_tz(); } |
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TIMEZONE MINUS NUMBER DST NUMBER
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= { zone = -60 * $3; dst = $5; check_tz(); } |
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TIMEZONE MINUS NUMBER DST
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= { zone = -60 * $3; dst = 1; check_tz(); } |
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TIMEZONE MINUS FPNUMBER
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= { zone = -$3; check_tz(); } |
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TIMEZONE MINUS FPNUMBER DST NUMBER
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= { zone = -$3; dst = $5; check_tz(); } |
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TIMEZONE MINUS FPNUMBER DST
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= { zone = -$3; dst = 1; check_tz(); } |
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MAXFDESCS NUMBER
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= { maxfdescs = $2; }; |
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MAXUSERS NUMBER
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= { maxusers = $2; };
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System_spec:
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System_id System_parameter_list
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= { checksystemspec(*confp); }
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;
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System_id:
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CONFIG Save_id
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= { mkconf($2); }
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;
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System_parameter_list:
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System_parameter_list System_parameter
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| System_parameter
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;
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System_parameter:
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swap_spec
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| root_spec
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| dump_spec
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| arg_spec
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;
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swap_spec:
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SWAP optional_on swap_device_list
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;
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swap_device_list:
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swap_device_list AND swap_device
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| swap_device
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;
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swap_device:
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swap_device_spec optional_size
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= { mkswap(*confp, $1, $2); }
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;
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swap_device_spec:
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device_name
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= {
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struct file_list *fl = newswap();
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if (eq($1, "generic"))
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fl->f_fn = $1;
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else {
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fl->f_swapdev = nametodev($1, 0, 'b');
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fl->f_fn = devtoname(fl->f_swapdev);
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}
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$$ = fl;
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}
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| major_minor
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= {
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struct file_list *fl = newswap();
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fl->f_swapdev = $1;
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fl->f_fn = devtoname($1);
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$$ = fl;
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}
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;
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root_spec:
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ROOT optional_on root_device_spec
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= {
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struct file_list *fl = *confp;
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if (fl && fl->f_rootdev != NODEV)
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yyerror("extraneous root device specification");
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else
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fl->f_rootdev = $3;
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}
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;
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root_device_spec:
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device_name
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= { $$ = nametodev($1, 0, 'a'); }
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| major_minor
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;
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dump_spec:
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DUMPS optional_on dump_device_spec
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= {
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struct file_list *fl = *confp;
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if (fl && fl->f_dumpdev != NODEV)
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yyerror("extraneous dump device specification");
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else
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fl->f_dumpdev = $3;
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}
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;
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dump_device_spec:
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device_name
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= { $$ = nametodev($1, 0, 'b'); }
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| major_minor
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;
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arg_spec:
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ARGS optional_on arg_device_spec
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= { yyerror("arg device specification obsolete, ignored"); }
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;
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arg_device_spec:
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device_name
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= { $$ = nametodev($1, 0, 'b'); }
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| major_minor
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;
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major_minor:
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MAJOR NUMBER MINOR NUMBER
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= { $$ = makedev($2, $4); }
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;
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optional_on:
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ON
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| /* empty */
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;
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optional_size:
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SIZE NUMBER
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= { $$ = $2; }
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| /* empty */
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= { $$ = 0; }
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;
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device_name:
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Save_id
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= { $$ = $1; }
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| Save_id NUMBER
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= {
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char buf[80];
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(void) sprintf(buf, "%s%d", $1, $2);
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$$ = ns(buf); free($1);
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}
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| Save_id NUMBER ID
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= {
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char buf[80];
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(void) sprintf(buf, "%s%d%s", $1, $2, $3);
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$$ = ns(buf); free($1);
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}
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;
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Opt_list:
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Opt_list COMMA Option
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Option
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;
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Option:
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Save_id
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= {
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struct opt *op = (struct opt *)malloc(sizeof (struct opt));
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op->op_name = ns($1);
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op->op_next = opt;
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op->op_value = 0;
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opt = op;
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free(temp_id);
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} |
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Save_id EQUALS Opt_value
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= {
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struct opt *op = (struct opt *)malloc(sizeof (struct opt));
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op->op_name = ns($1);
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op->op_next = opt;
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op->op_value = ns($3);
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opt = op;
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free(temp_id);
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free(val_id);
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} ;
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Opt_value:
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ID
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= { $$ = val_id = ns($1); } |
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NUMBER
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= {
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char nb[16];
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(void) sprintf(nb, "%d", $1);
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$$ = val_id = ns(nb);
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} ;
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Save_id:
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ID
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= { $$ = temp_id = ns($1); }
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;
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Mkopt_list:
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Mkopt_list COMMA Mkoption
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Mkoption
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;
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Mkoption:
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Save_id EQUALS Opt_value
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= {
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struct opt *op = (struct opt *)malloc(sizeof (struct opt));
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op->op_name = ns($1);
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op->op_next = mkopt;
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op->op_value = ns($3);
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mkopt = op;
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free(temp_id);
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free(val_id);
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} ;
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Dev:
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ID
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= { $$ = ns($1); }
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;
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Device_spec:
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DEVICE Dev_name Dev_info Int_spec
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= { cur.d_type = DEVICE; } |
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MASTER Dev_name Dev_info Int_spec
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= { cur.d_type = MASTER; } |
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DISK Dev_name Dev_info Int_spec
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= { cur.d_dk = 1; cur.d_type = DEVICE; } |
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CONTROLLER Dev_name Dev_info Int_spec
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= { cur.d_type = CONTROLLER; } |
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PSEUDO_DEVICE Init_dev Dev
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= {
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cur.d_name = $3;
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cur.d_type = PSEUDO_DEVICE;
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} |
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PSEUDO_DEVICE Init_dev Dev NUMBER
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= {
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cur.d_name = $3;
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cur.d_type = PSEUDO_DEVICE;
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cur.d_slave = $4;
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};
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Dev_name:
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Init_dev Dev NUMBER
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= {
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cur.d_name = $2;
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if (eq($2, "mba"))
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seen_mba = 1;
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else if (eq($2, "uba"))
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seen_uba = 1;
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else if (eq($2, "vba"))
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seen_vba = 1;
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else if (eq($2, "isa"))
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seen_isa = 1;
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cur.d_unit = $3;
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};
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Init_dev:
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/* lambda */
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= { init_dev(&cur); };
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Dev_info:
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Con_info Info_list
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|
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/* lambda */
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;
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Con_info:
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AT Dev NUMBER
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= {
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if (eq(cur.d_name, "mba") || eq(cur.d_name, "uba")) {
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(void) sprintf(errbuf,
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"%s must be connected to a nexus", cur.d_name);
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yyerror(errbuf);
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}
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cur.d_conn = connect($2, $3);
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} |
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AT NEXUS NUMBER
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= { check_nexus(&cur, $3); cur.d_conn = TO_NEXUS; };
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Info_list:
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Info_list Info
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|
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/* lambda */
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;
|
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Info:
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CSR NUMBER
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= { cur.d_addr = $2; } |
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DRIVE NUMBER
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= { cur.d_drive = $2; } |
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SLAVE NUMBER
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= {
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if (cur.d_conn != 0 && cur.d_conn != TO_NEXUS &&
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cur.d_conn->d_type == MASTER)
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cur.d_slave = $2;
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else
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yyerror("can't specify slave--not to master");
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} |
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IRQ NUMBER
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= { cur.d_irq = $2; } |
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|
DRQ NUMBER
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|
= { cur.d_drq = $2; } |
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|
IOMEM NUMBER
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|
= { cur.d_maddr = $2; } |
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|
IOSIZ NUMBER
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|
= { cur.d_msize = $2; } |
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PORT device_name
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= { cur.d_port = ns($2); } |
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|
PORT NUMBER
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= { cur.d_portn = $2; } |
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|
TTY
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= { cur.d_mask = "tty"; } |
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|
BIO
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= { cur.d_mask = "bio"; } |
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|
NET
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= { cur.d_mask = "net"; } |
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|
FLAGS NUMBER
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= { cur.d_flags = $2; };
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|
|
Int_spec:
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VECTOR Id_list
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= { cur.d_vec = $2; } |
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|
PRIORITY NUMBER
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|
= { cur.d_pri = $2; } |
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|
/* lambda */
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;
|
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|
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Id_list:
|
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Save_id
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= {
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struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst));
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|
a->id = $1; a->id_next = 0; $$ = a;
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} |
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|
Save_id Id_list =
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{
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struct idlst *a = (struct idlst *)malloc(sizeof(struct idlst));
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|
a->id = $1; a->id_next = $2; $$ = a;
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};
|
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|
|
%%
|
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|
|
yyerror(s)
|
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char *s;
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{
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|
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fprintf(stderr, "config: line %d: %s\n", yyline + 1, s);
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}
|
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|
|
/*
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* return the passed string in a new space
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|
*/
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|
char *
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ns(str)
|
|
register char *str;
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{
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|
register char *cp;
|
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|
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cp = malloc((unsigned)(strlen(str)+1));
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(void) strcpy(cp, str);
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return (cp);
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}
|
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|
|
/*
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|
* add a device to the list of devices
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|
*/
|
|
newdev(dp)
|
|
register struct device *dp;
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|
{
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|
register struct device *np;
|
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|
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np = (struct device *) malloc(sizeof *np);
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|
*np = *dp;
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np->d_next = 0;
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if (curp == 0)
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dtab = np;
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else
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curp->d_next = np;
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curp = np;
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}
|
|
|
|
/*
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|
* note that a configuration should be made
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|
*/
|
|
mkconf(sysname)
|
|
char *sysname;
|
|
{
|
|
register struct file_list *fl, **flp;
|
|
|
|
fl = (struct file_list *) malloc(sizeof *fl);
|
|
fl->f_type = SYSTEMSPEC;
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|
fl->f_needs = sysname;
|
|
fl->f_rootdev = NODEV;
|
|
fl->f_dumpdev = NODEV;
|
|
fl->f_fn = 0;
|
|
fl->f_next = 0;
|
|
for (flp = confp; *flp; flp = &(*flp)->f_next)
|
|
;
|
|
*flp = fl;
|
|
confp = flp;
|
|
}
|
|
|
|
struct file_list *
|
|
newswap()
|
|
{
|
|
struct file_list *fl = (struct file_list *)malloc(sizeof (*fl));
|
|
|
|
fl->f_type = SWAPSPEC;
|
|
fl->f_next = 0;
|
|
fl->f_swapdev = NODEV;
|
|
fl->f_swapsize = 0;
|
|
fl->f_needs = 0;
|
|
fl->f_fn = 0;
|
|
return (fl);
|
|
}
|
|
|
|
/*
|
|
* Add a swap device to the system's configuration
|
|
*/
|
|
mkswap(system, fl, size)
|
|
struct file_list *system, *fl;
|
|
int size;
|
|
{
|
|
register struct file_list **flp;
|
|
char name[80];
|
|
|
|
if (system == 0 || system->f_type != SYSTEMSPEC) {
|
|
yyerror("\"swap\" spec precedes \"config\" specification");
|
|
return;
|
|
}
|
|
if (size < 0) {
|
|
yyerror("illegal swap partition size");
|
|
return;
|
|
}
|
|
/*
|
|
* Append swap description to the end of the list.
|
|
*/
|
|
flp = &system->f_next;
|
|
for (; *flp && (*flp)->f_type == SWAPSPEC; flp = &(*flp)->f_next)
|
|
;
|
|
fl->f_next = *flp;
|
|
*flp = fl;
|
|
fl->f_swapsize = size;
|
|
/*
|
|
* If first swap device for this system,
|
|
* set up f_fn field to insure swap
|
|
* files are created with unique names.
|
|
*/
|
|
if (system->f_fn)
|
|
return;
|
|
if (eq(fl->f_fn, "generic"))
|
|
system->f_fn = ns(fl->f_fn);
|
|
else
|
|
system->f_fn = ns(system->f_needs);
|
|
}
|
|
|
|
/*
|
|
* find the pointer to connect to the given device and number.
|
|
* returns 0 if no such device and prints an error message
|
|
*/
|
|
struct device *
|
|
connect(dev, num)
|
|
register char *dev;
|
|
register int num;
|
|
{
|
|
register struct device *dp;
|
|
struct device *huhcon();
|
|
|
|
if (num == QUES)
|
|
return (huhcon(dev));
|
|
for (dp = dtab; dp != 0; dp = dp->d_next) {
|
|
if ((num != dp->d_unit) || !eq(dev, dp->d_name))
|
|
continue;
|
|
if (dp->d_type != CONTROLLER && dp->d_type != MASTER) {
|
|
(void) sprintf(errbuf,
|
|
"%s connected to non-controller", dev);
|
|
yyerror(errbuf);
|
|
return (0);
|
|
}
|
|
return (dp);
|
|
}
|
|
(void) sprintf(errbuf, "%s %d not defined", dev, num);
|
|
yyerror(errbuf);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* connect to an unspecific thing
|
|
*/
|
|
struct device *
|
|
huhcon(dev)
|
|
register char *dev;
|
|
{
|
|
register struct device *dp, *dcp;
|
|
struct device rdev;
|
|
int oldtype;
|
|
|
|
/*
|
|
* First make certain that there are some of these to wildcard on
|
|
*/
|
|
for (dp = dtab; dp != 0; dp = dp->d_next)
|
|
if (eq(dp->d_name, dev))
|
|
break;
|
|
if (dp == 0) {
|
|
(void) sprintf(errbuf, "no %s's to wildcard", dev);
|
|
yyerror(errbuf);
|
|
return (0);
|
|
}
|
|
oldtype = dp->d_type;
|
|
dcp = dp->d_conn;
|
|
/*
|
|
* Now see if there is already a wildcard entry for this device
|
|
* (e.g. Search for a "uba ?")
|
|
*/
|
|
for (; dp != 0; dp = dp->d_next)
|
|
if (eq(dev, dp->d_name) && dp->d_unit == -1)
|
|
break;
|
|
/*
|
|
* If there isn't, make one because everything needs to be connected
|
|
* to something.
|
|
*/
|
|
if (dp == 0) {
|
|
dp = &rdev;
|
|
init_dev(dp);
|
|
dp->d_unit = QUES;
|
|
dp->d_name = ns(dev);
|
|
dp->d_type = oldtype;
|
|
newdev(dp);
|
|
dp = curp;
|
|
/*
|
|
* Connect it to the same thing that other similar things are
|
|
* connected to, but make sure it is a wildcard unit
|
|
* (e.g. up connected to sc ?, here we make connect sc? to a
|
|
* uba?). If other things like this are on the NEXUS or
|
|
* if they aren't connected to anything, then make the same
|
|
* connection, else call ourself to connect to another
|
|
* unspecific device.
|
|
*/
|
|
if (dcp == TO_NEXUS || dcp == 0)
|
|
dp->d_conn = dcp;
|
|
else
|
|
dp->d_conn = connect(dcp->d_name, QUES);
|
|
}
|
|
return (dp);
|
|
}
|
|
|
|
init_dev(dp)
|
|
register struct device *dp;
|
|
{
|
|
|
|
dp->d_name = "OHNO!!!";
|
|
dp->d_type = DEVICE;
|
|
dp->d_conn = 0;
|
|
dp->d_vec = 0;
|
|
dp->d_addr = dp->d_pri = dp->d_flags = dp->d_dk = 0;
|
|
dp->d_slave = dp->d_drive = dp->d_unit = UNKNOWN;
|
|
dp->d_port = (char *)0;
|
|
dp->d_portn = 0;
|
|
dp->d_irq = -2;
|
|
dp->d_drq = -1;
|
|
dp->d_maddr = 0;
|
|
dp->d_msize = 0;
|
|
dp->d_mask = "null";
|
|
}
|
|
|
|
/*
|
|
* make certain that this is a reasonable type of thing to connect to a nexus
|
|
*/
|
|
check_nexus(dev, num)
|
|
register struct device *dev;
|
|
int num;
|
|
{
|
|
|
|
switch (machine) {
|
|
|
|
case MACHINE_VAX:
|
|
if (!eq(dev->d_name, "uba") && !eq(dev->d_name, "mba") &&
|
|
!eq(dev->d_name, "bi"))
|
|
yyerror("only uba's, mba's, and bi's should be connected to the nexus");
|
|
if (num != QUES)
|
|
yyerror("can't give specific nexus numbers");
|
|
break;
|
|
|
|
case MACHINE_TAHOE:
|
|
if (!eq(dev->d_name, "vba"))
|
|
yyerror("only vba's should be connected to the nexus");
|
|
break;
|
|
|
|
case MACHINE_HP300:
|
|
if (num != QUES)
|
|
dev->d_addr = num;
|
|
break;
|
|
|
|
case MACHINE_I386:
|
|
if (!eq(dev->d_name, "isa"))
|
|
yyerror("only isa's should be connected to the nexus");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check the timezone to make certain it is sensible
|
|
*/
|
|
|
|
check_tz()
|
|
{
|
|
if (abs(zone) > 12 * 60)
|
|
yyerror("timezone is unreasonable");
|
|
else
|
|
hadtz = 1;
|
|
}
|
|
|
|
/*
|
|
* Check system specification and apply defaulting
|
|
* rules on root, argument, dump, and swap devices.
|
|
*/
|
|
checksystemspec(fl)
|
|
register struct file_list *fl;
|
|
{
|
|
char buf[BUFSIZ];
|
|
register struct file_list *swap;
|
|
int generic;
|
|
|
|
if (fl == 0 || fl->f_type != SYSTEMSPEC) {
|
|
yyerror("internal error, bad system specification");
|
|
exit(1);
|
|
}
|
|
swap = fl->f_next;
|
|
generic = swap && swap->f_type == SWAPSPEC && eq(swap->f_fn, "generic");
|
|
if (fl->f_rootdev == NODEV && !generic) {
|
|
yyerror("no root device specified");
|
|
exit(1);
|
|
}
|
|
/*
|
|
* Default swap area to be in 'b' partition of root's
|
|
* device. If root specified to be other than on 'a'
|
|
* partition, give warning, something probably amiss.
|
|
*/
|
|
if (swap == 0 || swap->f_type != SWAPSPEC) {
|
|
dev_t dev;
|
|
|
|
swap = newswap();
|
|
dev = fl->f_rootdev;
|
|
if (minor(dev) & 07) {
|
|
(void) sprintf(buf,
|
|
"Warning, swap defaulted to 'b' partition with root on '%c' partition",
|
|
(minor(dev) & 07) + 'a');
|
|
yyerror(buf);
|
|
}
|
|
swap->f_swapdev =
|
|
makedev(major(dev), (minor(dev) &~ 07) | ('b' - 'a'));
|
|
swap->f_fn = devtoname(swap->f_swapdev);
|
|
mkswap(fl, swap, 0);
|
|
}
|
|
/*
|
|
* Make sure a generic swap isn't specified, along with
|
|
* other stuff (user must really be confused).
|
|
*/
|
|
if (generic) {
|
|
if (fl->f_rootdev != NODEV)
|
|
yyerror("root device specified with generic swap");
|
|
if (fl->f_dumpdev != NODEV)
|
|
yyerror("dump device specified with generic swap");
|
|
return;
|
|
}
|
|
/*
|
|
* Default dump device and warn if place is not a
|
|
* swap area.
|
|
*/
|
|
if (fl->f_dumpdev == NODEV)
|
|
fl->f_dumpdev = swap->f_swapdev;
|
|
if (fl->f_dumpdev != swap->f_swapdev) {
|
|
struct file_list *p = swap->f_next;
|
|
|
|
for (; p && p->f_type == SWAPSPEC; p = p->f_next)
|
|
if (fl->f_dumpdev == p->f_swapdev)
|
|
return;
|
|
(void) sprintf(buf,
|
|
"Warning: dump device is not a swap partition");
|
|
yyerror(buf);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Verify all devices specified in the system specification
|
|
* are present in the device specifications.
|
|
*/
|
|
verifysystemspecs()
|
|
{
|
|
register struct file_list *fl;
|
|
dev_t checked[50], *verifyswap();
|
|
register dev_t *pchecked = checked;
|
|
|
|
for (fl = conf_list; fl; fl = fl->f_next) {
|
|
if (fl->f_type != SYSTEMSPEC)
|
|
continue;
|
|
if (!finddev(fl->f_rootdev))
|
|
deverror(fl->f_needs, "root");
|
|
*pchecked++ = fl->f_rootdev;
|
|
pchecked = verifyswap(fl->f_next, checked, pchecked);
|
|
#define samedev(dev1, dev2) \
|
|
((minor(dev1) &~ 07) != (minor(dev2) &~ 07))
|
|
if (!alreadychecked(fl->f_dumpdev, checked, pchecked)) {
|
|
if (!finddev(fl->f_dumpdev))
|
|
deverror(fl->f_needs, "dump");
|
|
*pchecked++ = fl->f_dumpdev;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Do as above, but for swap devices.
|
|
*/
|
|
dev_t *
|
|
verifyswap(fl, checked, pchecked)
|
|
register struct file_list *fl;
|
|
dev_t checked[];
|
|
register dev_t *pchecked;
|
|
{
|
|
|
|
for (;fl && fl->f_type == SWAPSPEC; fl = fl->f_next) {
|
|
if (eq(fl->f_fn, "generic"))
|
|
continue;
|
|
if (alreadychecked(fl->f_swapdev, checked, pchecked))
|
|
continue;
|
|
if (!finddev(fl->f_swapdev))
|
|
fprintf(stderr,
|
|
"config: swap device %s not configured", fl->f_fn);
|
|
*pchecked++ = fl->f_swapdev;
|
|
}
|
|
return (pchecked);
|
|
}
|
|
|
|
/*
|
|
* Has a device already been checked
|
|
* for it's existence in the configuration?
|
|
*/
|
|
alreadychecked(dev, list, last)
|
|
dev_t dev, list[];
|
|
register dev_t *last;
|
|
{
|
|
register dev_t *p;
|
|
|
|
for (p = list; p < last; p++)
|
|
if (samedev(*p, dev))
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
deverror(systemname, devtype)
|
|
char *systemname, *devtype;
|
|
{
|
|
|
|
fprintf(stderr, "config: %s: %s device not configured\n",
|
|
systemname, devtype);
|
|
}
|
|
|
|
/*
|
|
* Look for the device in the list of
|
|
* configured hardware devices. Must
|
|
* take into account stuff wildcarded.
|
|
*/
|
|
/*ARGSUSED*/
|
|
finddev(dev)
|
|
dev_t dev;
|
|
{
|
|
|
|
/* punt on this right now */
|
|
return (1);
|
|
}
|