284 lines
11 KiB
C
284 lines
11 KiB
C
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Lawrence Berkeley Laboratories.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*
|
|
* from: @(#)config.h 8.1 (Berkeley) 6/6/93
|
|
* $Id: config.h,v 1.5 1994/06/22 10:44:06 pk Exp $
|
|
*/
|
|
|
|
/*
|
|
* Name/value lists. Values can be strings or pointers and/or can carry
|
|
* integers. The names can be NULL, resulting in simple value lists.
|
|
*/
|
|
struct nvlist {
|
|
struct nvlist *nv_next;
|
|
const char *nv_name;
|
|
union {
|
|
const char *un_str;
|
|
void *un_ptr;
|
|
} nv_un;
|
|
#define nv_str nv_un.un_str
|
|
#define nv_ptr nv_un.un_ptr
|
|
int nv_int;
|
|
};
|
|
|
|
/*
|
|
* Kernel configurations.
|
|
*/
|
|
struct config {
|
|
struct config *cf_next; /* linked list */
|
|
const char *cf_name; /* "vmunix" */
|
|
int cf_lineno; /* source line */
|
|
struct nvlist *cf_root; /* "root on ra0a" */
|
|
struct nvlist *cf_swap; /* "swap on ra0b and ra1b" */
|
|
struct nvlist *cf_dump; /* "dumps on ra0b" */
|
|
};
|
|
|
|
/*
|
|
* Attributes. These come in two flavors: "plain" and "interface".
|
|
* Plain attributes (e.g., "ether") simply serve to pull in files.
|
|
* Interface attributes (e.g., "scsi") carry three lists: locators,
|
|
* child devices, and references. The locators are those things
|
|
* that must be specified in order to configure a device instance
|
|
* using this attribute (e.g., "tg0 at scsi0"). The a_devs field
|
|
* lists child devices that can connect here (e.g., "tg"s), while
|
|
* the a_refs are parents that carry the attribute (e.g., actual
|
|
* SCSI host adapter drivers such as the SPARC "esp").
|
|
*/
|
|
struct attr {
|
|
const char *a_name; /* name of this attribute */
|
|
int a_iattr; /* true => allows children */
|
|
struct nvlist *a_locs; /* locators required */
|
|
int a_loclen; /* length of above list */
|
|
struct nvlist *a_devs; /* children */
|
|
struct nvlist *a_refs; /* parents */
|
|
};
|
|
|
|
/*
|
|
* The "base" part of a device ("uba", "sd"; but not "uba2" or
|
|
* "sd0"). It may be found "at" one or more attributes, including
|
|
* "at root" (this is represented by a NULL attribute).
|
|
*
|
|
* Each device may also export attributes. If any provide an output
|
|
* interface (e.g., "esp" provides "scsi"), other devices (e.g.,
|
|
* "tg"s) can be found at instances of this one (e.g., "esp"s).
|
|
* Such a connection must provide locators as specified by that
|
|
* interface attribute (e.g., "target").
|
|
*
|
|
* Each base carries a list of instances (via d_ihead). Note that this
|
|
* list "skips over" aliases; those must be found through the instances
|
|
* themselves.
|
|
*/
|
|
struct devbase {
|
|
const char *d_name; /* e.g., "sd" */
|
|
struct devbase *d_next; /* linked list */
|
|
int d_isdef; /* set once properly defined */
|
|
int d_ispseudo; /* is a pseudo-device */
|
|
int d_major; /* used for "root on sd0", e.g. */
|
|
struct nvlist *d_atlist; /* e.g., "at tg" (attr list) */
|
|
struct nvlist *d_vectors; /* interrupt vectors, if any */
|
|
struct nvlist *d_attrs; /* attributes, if any */
|
|
struct devi *d_ihead; /* first instance, if any */
|
|
struct devi **d_ipp; /* used for tacking on more instances */
|
|
int d_umax; /* highest unit number + 1 */
|
|
};
|
|
|
|
/*
|
|
* An "instance" of a device. The same instance may be listed more
|
|
* than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR".
|
|
*
|
|
* After everything has been read in and verified, the devi's are
|
|
* "packed" to collect all the information needed to generate ioconf.c.
|
|
* In particular, we try to collapse multiple aliases into a single entry.
|
|
* We then assign each "primary" (non-collapsed) instance a cfdata index.
|
|
* Note that there may still be aliases among these.
|
|
*/
|
|
struct devi {
|
|
/* created while parsing config file */
|
|
const char *i_name; /* e.g., "sd0" */
|
|
int i_unit; /* unit from name, e.g., 0 */
|
|
struct devbase *i_base;/* e.g., pointer to "sd" base */
|
|
struct devi *i_next; /* list of all instances */
|
|
struct devi *i_bsame; /* list on same base */
|
|
struct devi *i_alias; /* other aliases of this instance */
|
|
const char *i_at; /* where this is "at" (NULL if at root) */
|
|
struct attr *i_atattr; /* attr that allowed attach */
|
|
struct devbase *i_atdev;/* dev if "at <devname><unit>", else NULL */
|
|
const char **i_locs; /* locators (as given by i_atattr) */
|
|
int i_atunit; /* unit from "at" */
|
|
int i_cfflags; /* flags from config line */
|
|
int i_lineno; /* line # in config, for later errors */
|
|
|
|
/* created during packing or ioconf.c generation */
|
|
/* i_loclen via i_atattr->a_loclen */
|
|
short i_collapsed; /* set => this alias no longer needed */
|
|
short i_cfindex; /* our index in cfdata */
|
|
short i_pvlen; /* number of parents */
|
|
short i_pvoff; /* offset in parents.vec */
|
|
short i_locoff; /* offset in locators.vec */
|
|
short i_ivoff; /* offset in interrupt vectors, if any */
|
|
struct devi **i_parents;/* the parents themselves */
|
|
|
|
};
|
|
/* special units */
|
|
#define STAR (-1) /* unit number for, e.g., "sd*" */
|
|
#define WILD (-2) /* unit number for, e.g., "sd?" */
|
|
|
|
/*
|
|
* Files. Each file is either standard (always included) or optional,
|
|
* depending on whether it has names on which to *be* optional.
|
|
*/
|
|
struct files {
|
|
struct files *fi_next; /* linked list */
|
|
const char *fi_srcfile; /* the name of the "files" file that got us */
|
|
u_short fi_srcline; /* and the line number */
|
|
u_char fi_flags; /* as below */
|
|
char fi_lastc; /* last char from path */
|
|
const char *fi_path; /* full file path */
|
|
const char *fi_tail; /* name, i.e., rindex(fi_path, '/') + 1 */
|
|
const char *fi_base; /* tail minus ".c" (or whatever) */
|
|
struct nvlist *fi_opt; /* optional on ... */
|
|
const char *fi_mkrule; /* special make rule, if any */
|
|
};
|
|
|
|
/* flags */
|
|
#define FI_SEL 0x01 /* selected */
|
|
#define FI_CONFIGDEP 0x02 /* config-dependent */
|
|
#define FI_DRIVER 0x04 /* device-driver */
|
|
#define FI_NEEDSCOUNT 0x08 /* needs-count */
|
|
#define FI_NEEDSFLAG 0x10 /* needs-flag */
|
|
#define FI_HIDDEN 0x20 /* obscured by other(s), base names overlap */
|
|
|
|
/*
|
|
* Hash tables look up name=value pairs. The pointer value of the name
|
|
* is assumed to be constant forever; this can be arranged by interning
|
|
* the name. (This is fairly convenient since our lexer does this for
|
|
* all identifier-like strings---it has to save them anyway, lest yacc's
|
|
* look-ahead wipe out the current one.)
|
|
*/
|
|
struct hashtab;
|
|
|
|
const char *conffile; /* source file, e.g., "GENERIC.sparc" */
|
|
const char *confdirbase; /* basename of compile directory, usu. same */
|
|
const char *machine; /* machine type, e.g., "sparc" or "sun3" */
|
|
const char *machinearch; /* machine arch, e.g., "sparc" or "m68k" */
|
|
int errors; /* counts calls to error() */
|
|
int minmaxusers; /* minimum "maxusers" parameter */
|
|
int defmaxusers; /* default "maxusers" parameter */
|
|
int maxmaxusers; /* default "maxusers" parameter */
|
|
int maxusers; /* configuration's "maxusers" parameter */
|
|
struct nvlist *options; /* options */
|
|
struct nvlist *mkoptions; /* makeoptions */
|
|
struct hashtab *devbasetab; /* devbase lookup */
|
|
struct hashtab *selecttab; /* selects things that are "optional foo" */
|
|
struct hashtab *needcnttab; /* retains names marked "needs-count" */
|
|
|
|
struct devbase *allbases; /* list of all devbase structures */
|
|
struct config *allcf; /* list of configured kernels */
|
|
struct devi *alldevi; /* list of all instances */
|
|
struct devi *allpseudo; /* list of all pseudo-devices */
|
|
int ndevi; /* number of devi's (before packing) */
|
|
int npseudo; /* number of pseudo's */
|
|
|
|
struct files *allfiles; /* list of all kernel source files */
|
|
|
|
struct devi **packed; /* arrayified table for packed devi's */
|
|
int npacked; /* size of packed table, <= ndevi */
|
|
|
|
struct { /* pv[] table for config */
|
|
short *vec;
|
|
int used;
|
|
} parents;
|
|
struct { /* loc[] table for config */
|
|
const char **vec;
|
|
int used;
|
|
} locators;
|
|
|
|
/* files.c */
|
|
void initfiles __P((void));
|
|
void checkfiles __P((void));
|
|
int fixfiles __P((void)); /* finalize */
|
|
void addfile __P((const char *, struct nvlist *, int, const char *));
|
|
|
|
/* hash.c */
|
|
struct hashtab *ht_new __P((void));
|
|
int ht_insrep __P((struct hashtab *, const char *, void *, int));
|
|
#define ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0)
|
|
#define ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1)
|
|
void *ht_lookup __P((struct hashtab *, const char *));
|
|
void initintern __P((void));
|
|
const char *intern __P((const char *));
|
|
|
|
/* main.c */
|
|
void addoption __P((const char *name, const char *value));
|
|
void addmkoption __P((const char *name, const char *value));
|
|
|
|
/* mkheaders.c */
|
|
int mkheaders __P((void));
|
|
|
|
/* mkioconf.c */
|
|
int mkioconf __P((void));
|
|
|
|
/* mkmakefile.c */
|
|
int mkmakefile __P((void));
|
|
|
|
/* mkswap.c */
|
|
int mkswap __P((void));
|
|
|
|
/* pack.c */
|
|
void pack __P((void));
|
|
|
|
/* scan.l */
|
|
int currentline __P((void));
|
|
|
|
/* sem.c, other than for yacc actions */
|
|
void initsem __P((void));
|
|
|
|
/* util.c */
|
|
void *emalloc __P((size_t));
|
|
void *erealloc __P((void *, size_t));
|
|
char *path __P((const char *));
|
|
void error __P((const char *, ...)); /* immediate errs */
|
|
void xerror __P((const char *, int, const char *, ...)); /* delayed errs */
|
|
__dead void panic __P((const char *, ...));
|
|
struct nvlist *newnv __P((const char *, const char *, void *, int));
|
|
void nvfree __P((struct nvlist *));
|
|
void nvfreel __P((struct nvlist *));
|