Garbage collect the code for auto-loading modules based on ISAPNP IDs,

which is #if'ed out since nearly eight years, along with its outdated
database.

Agreed by:	ru (some months ago)

1 files changed, 0 insertions, 198 deletions

diff --git a/sys/boot/common/pnp.c b/sys/boot/common/pnp.c
index 05cce99..589926b 100644
--- a/sys/boot/common/pnp.c
+++ b/sys/boot/common/pnp.c
@@ -82,52 +82,6 @@ pnp_scan(int argc, char *argv[])
     return(CMD_OK);
 }
 
-#if 0
-/*
- * Try to load outstanding modules (eg. after disk change)
- */
-COMMAND_SET(pnpload, "pnpload", "load modules for PnP devices", pnp_load);
-
-static int
-pnp_load(int argc, char *argv[])
-{
-    struct pnpinfo	*pi;
-    char		*modfname;
-	
-    /* find anything? */
-    if (STAILQ_FIRST(&pnp_devices) != NULL) {
-
-	/* check for kernel, assign modules handled by static drivers there */
-	if (pnp_scankernel()) {
-	    command_errmsg = "cannot load drivers until kernel loaded";
-	    return(CMD_ERROR);
-	}
-	if (fname == NULL) {
-	    /* default paths */
-	    pnp_readconf("/boot/pnpdata.local");
-	    pnp_readconf("/boot/pnpdata");
-	} else {
-	    if (pnp_readconf(fname)) {
-		sprintf(command_errbuf, "can't read PnP information from '%s'", fname);
-		return(CMD_ERROR);
-	    }
-	}
-
-	/* try to load any modules that have been nominated */
-	STAILQ_FOREACH(pi, &pnp_devices, pi_link) {
-	    /* Already loaded? */
-	    if ((pi->pi_module != NULL) && (file_findfile(pi->pi_module, NULL) == NULL)) {
-		modfname = malloc(strlen(pi->pi_module) + 4);
-		sprintf(modfname, "%s.ko", pi->pi_module);	/* XXX implicit knowledge of KLD module filenames */
-		if (mod_load(pi->pi_module, pi->pi_argc, pi->pi_argv))
-		    printf("Could not load module '%s' for device '%s'\n", modfname, STAILQ_FIRST(&pi->pi_ident)->id_ident);
-		free(modfname);
-	    }
-	}
-    }
-    return(CMD_OK);
-}
-#endif
 /*
  * Throw away anything we think we know about PnP devices.
  */
@@ -142,159 +96,7 @@ pnp_discard(void)
 	pnp_freeinfo(pi);
     }
 }
-#if 0
-/*
- * The PnP configuration database consists of a flat text file with 
- * entries one per line.  Valid lines are:
- *
- * # <text>
- *
- * 	This line is a comment, and ignored.
- *
- * [<name>]
- *
- *	Entries following this line are for devices connected to the
- *	bus <name>, At least one such entry must be encountered
- *	before identifiers are recognised.
- *
- * ident=<identifier> rev=<revision> module=<module> args=<arguments>
- *
- *	This line describes an identifier:module mapping.  The 'ident'
- *	and 'module' fields are required; the 'rev' field is currently
- *	ignored (but should be used), and the 'args' field must come
- *	last.
- *
- * Comments may be appended to lines; any character including or following
- * '#' on a line is ignored.
- */
-static int
-pnp_readconf(char *path)
-{
-    struct pnpinfo	*pi;
-    struct pnpident	*id;
-    int			fd, line;
-    char		lbuf[128], *currbus, *ident, *revision, *module, *args;
-    char		*cp, *ep, *tp, c;
-
-    /* try to open the file */
-    if ((fd = open(path, O_RDONLY)) >= 0) {
-	line = 0;
-	currbus = NULL;
-	
-	while (fgetstr(lbuf, sizeof(lbuf), fd) > 0) {
-	    line++;
-	    /* Find the first non-space character on the line */
-	    for (cp = lbuf; (*cp != 0) && !isspace(*cp); cp++)
-		;
-	    
-	    /* keep/discard? */
-	    if ((*cp == 0) || (*cp == '#'))
-		continue;
-
-	    /* cut trailing comment? */
-	    if ((ep = strchr(cp, '#')) != NULL)
-		*ep = 0;
-	    
-	    /* bus declaration? */
-	    if (*cp == '[') {
-		if (((ep = strchr(cp, ']')) == NULL) || ((ep - cp) < 2)) {
-		    printf("%s line %d: bad bus specification\n", path, line);
-		} else {
-		    if (currbus != NULL)
-			free(currbus);
-		    *ep = 0;
-		    currbus = strdup(cp + 1);
-		}
-		continue;
-	    }
-
-	    /* XXX should we complain? */
-	    if (currbus == NULL)
-		continue;
-
-	    /* mapping */
-	    for (ident = module = args = revision = NULL; *cp != 0;) {
-
-		/* discard leading whitespace */
-		if (isspace(*cp)) {
-		    cp++;
-		    continue;
-		}
-		
-		/* scan for terminator, separator */
-		for (ep = cp; (*ep != 0) && (*ep != '=') && !isspace(*ep); ep++)
-		    ;
-
-		if (*ep == '=') {
-		    *ep = 0;
-		    for (tp = ep + 1; (*tp != 0) && !isspace(*tp); tp++)
-			;
-		    c = *tp;
-		    *tp = 0;
-		    if ((ident == NULL) && !strcmp(cp, "ident")) {
-			ident = ep + 1;
-		    } else if ((revision == NULL) && !strcmp(cp, "revision")) {
-			revision = ep + 1;
-		    } else if ((args == NULL) && !strcmp(cp, "args")) {
-			*tp = c;
-			while (*tp != 0)		/* skip to end of string */
-			    tp++;
-			args = ep + 1;
-		    } else {
-			/* XXX complain? */
-		    }
-		    cp = tp;
-		    continue;
-		}
-		
-		/* it's garbage or a keyword - ignore it for now */
-		cp = ep;
-	    }
-
-	    /* we must have at least ident and module set to be interesting */
-	    if ((ident == NULL) || (module == NULL))
-		continue;
-	    
-	    /*
-	     * Loop looking for module/bus that might match this, but aren't already
-	     * assigned.
-	     * XXX no revision parse/test here yet.
-	     */
-	    STAILQ_FOREACH(pi, &pnp_devices, pi_link) {
-
-		/* no driver assigned, bus matches OK */
-		if ((pi->pi_module == NULL) &&
-		    !strcmp(pi->pi_handler->pp_name, currbus)) {
-
-		    /* scan idents, take first match */
-		    STAILQ_FOREACH(id, &pi->pi_ident, id_link)
-			if (!strcmp(id->id_ident, ident))
-			    break;
-			
-		    /* find a match? */
-		    if (id != NULL) {
-			if (args != NULL)
-			    if (parse(&pi->pi_argc, &pi->pi_argv, args)) {
-				printf("%s line %d: bad arguments\n", path, line);
-				continue;
-			    }
-			pi->pi_module = strdup(module);
-			printf("use module '%s' for %s:%s\n", module, pi->pi_handler->pp_name, id->id_ident);
-		    }
-		}
-	    }
-	}
-	close(fd);
-    }
-    return(CMD_OK);
-}
 
-static int
-pnp_scankernel(void)
-{
-    return(CMD_OK);
-}
-#endif
 /*
  * Add a unique identifier to (pi)
  */