bootentry_create_from_name() takes a name and creates bootentries
for it. It tries different providers that interpret the name:
blspec, bootchooser or script pathes. Instead of hardcoding the
different providers in the function, allow the providers to register
themselves.
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
common/boot.c | 26 ++++++++++++++++++++++++++
include/boot.h | 2 ++
2 files changed, 28 insertions(+)
diff --git a/common/boot.c b/common/boot.c
index 4306319331..f0359cff38 100644
--- a/common/boot.c
+++ b/common/boot.c
@@ -244,6 +244,25 @@ static int bootscript_scan_path(struct bootentries
*bootentries, const char *pat
return ret;
}
+static LIST_HEAD(bootentry_providers);
+
+struct bootentry_provider {
+ int (*fn)(struct bootentries *bootentries, const char *name);
+ struct list_head list;
+};
+
+int bootentry_register_provider(int (*fn)(struct bootentries *bootentries,
const char *name))
+{
+ struct bootentry_provider *p;
+
+ p = xzalloc(sizeof(*p));
+ p->fn = fn;
+
+ list_add_tail(&p->list, &bootentry_providers);
+
+ return 0;
+}
+
/*
* bootentry_create_from_name - create boot entries from a name
*
@@ -261,6 +280,7 @@ static int bootscript_scan_path(struct bootentries
*bootentries, const char *pat
int bootentry_create_from_name(struct bootentries *bootentries,
const char *name)
{
+ struct bootentry_provider *p;
int found = 0, ret;
if (IS_ENABLED(CONFIG_BLSPEC)) {
@@ -275,6 +295,12 @@ int bootentry_create_from_name(struct bootentries
*bootentries,
}
}
+ list_for_each_entry(p, &bootentry_providers, list) {
+ ret = p->fn(bootentries, name);
+ if (ret > 0)
+ found += ret;
+ }
+
if (IS_ENABLED(CONFIG_BOOTCHOOSER) && !strcmp(name, "bootchooser")) {
ret = bootchooser_create_bootentry(bootentries);
if (ret > 0)
diff --git a/include/boot.h b/include/boot.h
index a855cbe1e5..4f7612ab80 100644
--- a/include/boot.h
+++ b/include/boot.h
@@ -36,6 +36,8 @@ struct bootentry {
int bootentries_add_entry(struct bootentries *entries, struct bootentry
*entry);
+int bootentry_register_provider(int (*fn)(struct bootentries *bootentries,
const char *name));
+
#define bootentries_for_each_entry(bootentries, entry) \
list_for_each_entry(entry, &bootentries->entries, list)
--
2.11.0
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