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Use a consistant module search path (same as kernel will be).

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Use new dependency mechanism.
This commit is contained in:
Peter Wemm 1998-10-09 23:12:34 +00:00
parent 12218096e1
commit c582ad070a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=40141
1 changed files with 17 additions and 26 deletions
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43
sys/boot/common/module.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: module.c,v 1.4 1998/09/14 18:27:04 msmith Exp $
* $Id: module.c,v 1.5 1998/09/26 10:51:38 dfr Exp $
*/
/*
@ -32,6 +32,8 @@
#include <stand.h>
#include <string.h>
#include <sys/param.h>
#include <sys/linker.h>
#include "bootstrap.h"
@ -44,7 +46,7 @@ static void mod_append(struct loaded_module *mp);
/* load address should be tweaked by first module loaded (kernel) */
static vm_offset_t loadaddr = 0;
static char *default_searchpath ="/;/boot";
static char *default_searchpath ="/;/boot;/modules";
struct loaded_module *loaded_modules = NULL;
@ -334,8 +336,8 @@ mod_loadmodule(char *name, int argc, char *argv[])
static char *
mod_searchdep(struct loaded_module *mp)
{
struct kld_module_identifier *ident, *dident;
struct kld_module_dependancy *deps, *dp;
char *deps;
size_t deplen;
struct module_metadata *md;
struct loaded_module *dmp;
int dindex;
@ -345,36 +347,25 @@ mod_searchdep(struct loaded_module *mp)
/*
* Get KLD module data
*/
ident = NULL;
deps = NULL;
if ((md = mod_findmetadata(mp, MODINFOMD_KLDIDENT)) != NULL)
ident = (struct kld_module_identifier *)md->md_data;
if ((md = mod_findmetadata(mp, MODINFOMD_KLDDEP)) != NULL)
deps = (struct kld_module_dependancy *)md->md_data;
deplen = 0;
if ((md = mod_findmetadata(mp, MODINFOMD_DEPLIST)) != NULL) {
deps = (char *)md->md_data;
deplen = md->md_size;
}
/*
* Both must exist for this module to depend on anything
*/
if ((ident != NULL) && (deps != NULL)) {
if (deps != NULL && deplen > 0) {
/* Iterate over dependancies */
for (dindex = 0; dindex < ident->ki_ndeps; dindex++) {
dp = KLD_GETDEP(ident, deps, dindex);
dindex = 0;
while (dindex < deplen) {
/*
* Look for a module matching the dependancy; if we don't have it,
* we need it.
*/
if ((dmp = mod_findmodule(dp->kd_name, NULL)) == NULL)
return(dp->kd_name);
/* Version check */
if ((md = mod_findmetadata(dmp, MODINFOMD_KLDIDENT)) != NULL) {
dident = (struct kld_module_identifier *)md->md_data;
if (dp->kd_version != dident->ki_version)
printf("module '%s' requires '%s' version %d, but version %d is loaded\n",
mp->m_name, dp->kd_name, dp->kd_version, dident->ki_version);
}
if ((dmp = mod_findmodule(&deps[dindex], NULL)) == NULL)
return(&deps[dindex]);
dindex += strlen(&deps[dindex]) + 1;
}
}
}