6a836ea741
The "config" line in config files has been obsolete since FreeBSD 4.x when we moved to having the boot loader pass in the root device. Remove it. MFC After: 1 week Sponsored by: Netflix
487 lines
9.6 KiB
Plaintext
487 lines
9.6 KiB
Plaintext
%union {
|
|
char *str;
|
|
int val;
|
|
struct file_list *file;
|
|
}
|
|
|
|
%token ARCH
|
|
%token COMMA
|
|
%token CONFIG
|
|
%token CPU
|
|
%token NOCPU
|
|
%token DEVICE
|
|
%token NODEVICE
|
|
%token ENV
|
|
%token ENVVAR
|
|
%token EQUALS
|
|
%token PLUSEQUALS
|
|
%token HINTS
|
|
%token IDENT
|
|
%token MAXUSERS
|
|
%token OPTIONS
|
|
%token NOOPTION
|
|
%token MAKEOPTIONS
|
|
%token NOMAKEOPTION
|
|
%token SEMICOLON
|
|
%token INCLUDE
|
|
%token FILES
|
|
|
|
%token <str> ENVLINE
|
|
%token <str> ID
|
|
%token <val> NUMBER
|
|
|
|
%type <str> Save_id
|
|
%type <str> Opt_value
|
|
%type <str> Dev
|
|
%token <str> PATH
|
|
|
|
%{
|
|
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)config.y 8.1 (Berkeley) 6/6/93
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "config.h"
|
|
|
|
struct device_head dtab;
|
|
char *ident;
|
|
char *env;
|
|
int yyline;
|
|
const char *yyfile;
|
|
struct file_list_head ftab;
|
|
struct files_name_head fntab;
|
|
char errbuf[80];
|
|
int maxusers;
|
|
|
|
#define ns(s) strdup(s)
|
|
int include(const char *, int);
|
|
void yyerror(const char *s);
|
|
int yywrap(void);
|
|
|
|
static void newdev(char *name);
|
|
static void newfile(char *name);
|
|
static void newenvvar(char *name, bool is_file);
|
|
static void rmdev_schedule(struct device_head *dh, char *name);
|
|
static void newopt(struct opt_head *list, char *name, char *value, int append, int dupe);
|
|
static void rmopt_schedule(struct opt_head *list, char *name);
|
|
|
|
static char *
|
|
devopt(char *dev)
|
|
{
|
|
char *ret = malloc(strlen(dev) + 5);
|
|
|
|
sprintf(ret, "DEV_%s", dev);
|
|
raisestr(ret);
|
|
return ret;
|
|
}
|
|
|
|
%}
|
|
%%
|
|
Configuration:
|
|
Many_specs
|
|
;
|
|
|
|
Many_specs:
|
|
Many_specs Spec
|
|
|
|
|
/* lambda */
|
|
;
|
|
|
|
Spec:
|
|
Device_spec SEMICOLON
|
|
|
|
|
Config_spec SEMICOLON
|
|
|
|
|
INCLUDE PATH SEMICOLON {
|
|
if (incignore == 0)
|
|
include($2, 0);
|
|
};
|
|
|
|
|
INCLUDE ID SEMICOLON {
|
|
if (incignore == 0)
|
|
include($2, 0);
|
|
};
|
|
|
|
|
FILES ID SEMICOLON { newfile($2); };
|
|
|
|
|
SEMICOLON
|
|
|
|
|
error SEMICOLON
|
|
;
|
|
|
|
Config_spec:
|
|
ARCH Save_id {
|
|
if (machinename != NULL && !eq($2, machinename))
|
|
errx(1, "%s:%d: only one machine directive is allowed",
|
|
yyfile, yyline);
|
|
machinename = $2;
|
|
machinearch = $2;
|
|
} |
|
|
ARCH Save_id Save_id {
|
|
/*
|
|
* Allow the machinearch to change with a second machine directive,
|
|
* but still enforce no changes to the machinename.
|
|
*/
|
|
if (machinename != NULL && !eq($2, machinename))
|
|
errx(1, "%s:%d: only one machine directive is allowed",
|
|
yyfile, yyline);
|
|
machinename = $2;
|
|
machinearch = $3;
|
|
} |
|
|
CPU Save_id {
|
|
struct cputype *cp =
|
|
(struct cputype *)calloc(1, sizeof (struct cputype));
|
|
if (cp == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
cp->cpu_name = $2;
|
|
SLIST_INSERT_HEAD(&cputype, cp, cpu_next);
|
|
} |
|
|
NOCPU Save_id {
|
|
struct cputype *cp, *cp2;
|
|
SLIST_FOREACH_SAFE(cp, &cputype, cpu_next, cp2) {
|
|
if (eq(cp->cpu_name, $2)) {
|
|
SLIST_REMOVE(&cputype, cp, cputype, cpu_next);
|
|
free(cp);
|
|
}
|
|
}
|
|
} |
|
|
OPTIONS Opt_list
|
|
|
|
|
NOOPTION NoOpt_list |
|
|
MAKEOPTIONS Mkopt_list
|
|
|
|
|
NOMAKEOPTION Save_id { rmopt_schedule(&mkopt, $2); } |
|
|
IDENT ID { ident = $2; } |
|
|
System_spec
|
|
|
|
|
MAXUSERS NUMBER { maxusers = $2; } |
|
|
ENV ID { newenvvar($2, true); } |
|
|
ENVVAR ENVLINE { newenvvar($2, false); } |
|
|
HINTS ID {
|
|
struct hint *hint;
|
|
|
|
hint = (struct hint *)calloc(1, sizeof (struct hint));
|
|
if (hint == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
hint->hint_name = $2;
|
|
STAILQ_INSERT_HEAD(&hints, hint, hint_next);
|
|
}
|
|
|
|
System_id:
|
|
Save_id { newopt(&mkopt, ns("KERNEL"), $1, 0, 0); };
|
|
|
|
System_parameter_list:
|
|
System_parameter_list ID
|
|
| ID
|
|
;
|
|
|
|
Opt_list:
|
|
Opt_list COMMA Option
|
|
|
|
|
Option
|
|
;
|
|
|
|
NoOpt_list:
|
|
NoOpt_list COMMA NoOption
|
|
|
|
|
NoOption
|
|
;
|
|
Option:
|
|
Save_id {
|
|
newopt(&opt, $1, NULL, 0, 1);
|
|
if (strchr($1, '=') != NULL)
|
|
errx(1, "%s:%d: The `=' in options should not be "
|
|
"quoted", yyfile, yyline);
|
|
} |
|
|
Save_id EQUALS Opt_value {
|
|
newopt(&opt, $1, $3, 0, 1);
|
|
} ;
|
|
|
|
NoOption:
|
|
Save_id {
|
|
rmopt_schedule(&opt, $1);
|
|
};
|
|
|
|
Opt_value:
|
|
ID { $$ = $1; } |
|
|
NUMBER {
|
|
char buf[80];
|
|
|
|
(void) snprintf(buf, sizeof(buf), "%d", $1);
|
|
$$ = ns(buf);
|
|
} ;
|
|
|
|
Save_id:
|
|
ID { $$ = $1; }
|
|
;
|
|
|
|
Mkopt_list:
|
|
Mkopt_list COMMA Mkoption
|
|
|
|
|
Mkoption
|
|
;
|
|
|
|
Mkoption:
|
|
Save_id { newopt(&mkopt, $1, ns(""), 0, 0); } |
|
|
Save_id EQUALS { newopt(&mkopt, $1, ns(""), 0, 0); } |
|
|
Save_id EQUALS Opt_value { newopt(&mkopt, $1, $3, 0, 0); } |
|
|
Save_id PLUSEQUALS Opt_value { newopt(&mkopt, $1, $3, 1, 0); } ;
|
|
|
|
Dev:
|
|
ID { $$ = $1; }
|
|
;
|
|
|
|
Device_spec:
|
|
DEVICE Dev_list
|
|
|
|
|
NODEVICE NoDev_list
|
|
;
|
|
|
|
Dev_list:
|
|
Dev_list COMMA Device
|
|
|
|
|
Device
|
|
;
|
|
|
|
NoDev_list:
|
|
NoDev_list COMMA NoDevice
|
|
|
|
|
NoDevice
|
|
;
|
|
|
|
Device:
|
|
Dev {
|
|
newopt(&opt, devopt($1), ns("1"), 0, 0);
|
|
/* and the device part */
|
|
newdev($1);
|
|
}
|
|
|
|
NoDevice:
|
|
Dev {
|
|
char *s = devopt($1);
|
|
|
|
rmopt_schedule(&opt, s);
|
|
free(s);
|
|
/* and the device part */
|
|
rmdev_schedule(&dtab, $1);
|
|
} ;
|
|
|
|
%%
|
|
|
|
void
|
|
yyerror(const char *s)
|
|
{
|
|
|
|
errx(1, "%s:%d: %s", yyfile, yyline + 1, s);
|
|
}
|
|
|
|
int
|
|
yywrap(void)
|
|
{
|
|
if (found_defaults) {
|
|
if (freopen(PREFIX, "r", stdin) == NULL)
|
|
err(2, "%s", PREFIX);
|
|
yyfile = PREFIX;
|
|
yyline = 0;
|
|
found_defaults = 0;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Add a new file to the list of files.
|
|
*/
|
|
static void
|
|
newfile(char *name)
|
|
{
|
|
struct files_name *nl;
|
|
|
|
nl = (struct files_name *) calloc(1, sizeof *nl);
|
|
if (nl == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
nl->f_name = name;
|
|
STAILQ_INSERT_TAIL(&fntab, nl, f_next);
|
|
}
|
|
|
|
static void
|
|
newenvvar(char *name, bool is_file)
|
|
{
|
|
struct envvar *envvar;
|
|
|
|
envvar = (struct envvar *)calloc(1, sizeof (struct envvar));
|
|
if (envvar == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
envvar->env_str = name;
|
|
envvar->env_is_file = is_file;
|
|
STAILQ_INSERT_HEAD(&envvars, envvar, envvar_next);
|
|
}
|
|
|
|
/*
|
|
* Find a device in the list of devices.
|
|
*/
|
|
static struct device *
|
|
finddev(struct device_head *dlist, char *name)
|
|
{
|
|
struct device *dp;
|
|
|
|
STAILQ_FOREACH(dp, dlist, d_next)
|
|
if (eq(dp->d_name, name))
|
|
return (dp);
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Add a device to the list of devices.
|
|
*/
|
|
static void
|
|
newdev(char *name)
|
|
{
|
|
struct device *np, *dp;
|
|
|
|
if ((dp = finddev(&dtab, name)) != NULL) {
|
|
if (strcmp(dp->yyfile, yyfile) == 0)
|
|
fprintf(stderr,
|
|
"WARNING: duplicate device `%s' encountered in %s\n",
|
|
name, yyfile);
|
|
return;
|
|
}
|
|
|
|
np = (struct device *) calloc(1, sizeof *np);
|
|
if (np == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
np->d_name = name;
|
|
np->yyfile = strdup(yyfile);
|
|
STAILQ_INSERT_TAIL(&dtab, np, d_next);
|
|
}
|
|
|
|
/*
|
|
* Schedule a device to removal.
|
|
*/
|
|
static void
|
|
rmdev_schedule(struct device_head *dh, char *name)
|
|
{
|
|
struct device *dp;
|
|
|
|
dp = finddev(dh, name);
|
|
if (dp != NULL) {
|
|
STAILQ_REMOVE(dh, dp, device, d_next);
|
|
free(dp->yyfile);
|
|
free(dp->d_name);
|
|
free(dp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Find an option in the list of options.
|
|
*/
|
|
static struct opt *
|
|
findopt(struct opt_head *list, char *name)
|
|
{
|
|
struct opt *op;
|
|
|
|
SLIST_FOREACH(op, list, op_next)
|
|
if (eq(op->op_name, name))
|
|
return (op);
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Add an option to the list of options.
|
|
*/
|
|
static void
|
|
newopt(struct opt_head *list, char *name, char *value, int append, int dupe)
|
|
{
|
|
struct opt *op, *op2;
|
|
|
|
/*
|
|
* Ignore inclusions listed explicitly for configuration files.
|
|
*/
|
|
if (eq(name, OPT_AUTOGEN)) {
|
|
incignore = 1;
|
|
return;
|
|
}
|
|
|
|
op2 = findopt(list, name);
|
|
if (op2 != NULL && !append && !dupe) {
|
|
if (strcmp(op2->yyfile, yyfile) == 0)
|
|
fprintf(stderr,
|
|
"WARNING: duplicate option `%s' encountered.\n", name);
|
|
return;
|
|
}
|
|
|
|
op = (struct opt *)calloc(1, sizeof (struct opt));
|
|
if (op == NULL)
|
|
err(EXIT_FAILURE, "calloc");
|
|
op->op_name = name;
|
|
op->op_ownfile = 0;
|
|
op->op_value = value;
|
|
op->yyfile = strdup(yyfile);
|
|
if (op2 != NULL) {
|
|
if (append) {
|
|
while (SLIST_NEXT(op2, op_append) != NULL)
|
|
op2 = SLIST_NEXT(op2, op_append);
|
|
SLIST_NEXT(op2, op_append) = op;
|
|
} else {
|
|
while (SLIST_NEXT(op2, op_next) != NULL)
|
|
op2 = SLIST_NEXT(op2, op_next);
|
|
SLIST_NEXT(op2, op_next) = op;
|
|
}
|
|
} else
|
|
SLIST_INSERT_HEAD(list, op, op_next);
|
|
}
|
|
|
|
/*
|
|
* Remove an option from the list of options.
|
|
*/
|
|
static void
|
|
rmopt_schedule(struct opt_head *list, char *name)
|
|
{
|
|
struct opt *op;
|
|
|
|
while ((op = findopt(list, name)) != NULL) {
|
|
SLIST_REMOVE(list, op, opt, op_next);
|
|
free(op->yyfile);
|
|
free(op->op_name);
|
|
free(op);
|
|
}
|
|
}
|