Author: imp
Date: Thu Jan 15 00:46:30 2015
New Revision: 277205
URL: https://svnweb.freebsd.org/changeset/base/277205
Log:
Reserve and ignore the a new module metadata type MDT_PNP_INFO for
associating an optional PNP hint table with this module. In the
future, when these are added, these changes will silently ignore the
new type they would otherwise warn about. It will always be safe to
ignore this data. Get this into the builds today for some future
proofing.
MFC After: 3 days
Modified:
head/sys/boot/common/load_elf_obj.c
head/sys/sys/module.h
head/usr.sbin/kldxref/kldxref.c
Modified: head/sys/boot/common/load_elf_obj.c
==============================================================================
--- head/sys/boot/common/load_elf_obj.c Thu Jan 15 00:42:06 2015
(r277204)
+++ head/sys/boot/common/load_elf_obj.c Thu Jan 15 00:46:30 2015
(r277205)
@@ -416,6 +416,7 @@ __elfN(obj_parse_modmetadata)(struct pre
modcnt++;
break;
case MDT_MODULE:
+ case MDT_PNP_INFO:
break;
default:
printf("unknown type %d\n", md.md_type);
Modified: head/sys/sys/module.h
==============================================================================
--- head/sys/sys/module.h Thu Jan 15 00:42:06 2015 (r277204)
+++ head/sys/sys/module.h Thu Jan 15 00:46:30 2015 (r277205)
@@ -35,6 +35,7 @@
#define MDT_DEPEND 1 /* argument is a module name */
#define MDT_MODULE 2 /* module declaration */
#define MDT_VERSION 3 /* module version(s) */
+#define MDT_PNP_INFO 4 /* Plug and play hints record */
#define MDT_STRUCT_VERSION 1 /* version of metadata
structure */
#define MDT_SETNAME "modmetadata_set"
Modified: head/usr.sbin/kldxref/kldxref.c
==============================================================================
--- head/usr.sbin/kldxref/kldxref.c Thu Jan 15 00:42:06 2015
(r277204)
+++ head/usr.sbin/kldxref/kldxref.c Thu Jan 15 00:46:30 2015
(r277205)
@@ -172,6 +172,10 @@ parse_entry(struct mod_metadata *md, con
record_string(kldname);
}
break;
+ case MDT_PNP_INFO:
+ if (dflag) {
+ printf(" pnp info for bus %s\n", cval);
+ }
default:
warnx("unknown metadata record %d in file %s", md->md_type,
kldname);
}
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