X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fparser.c;h=2b4ddd2668e0e30a808184c004c0aac879b0e938;hp=5b1a7abdab600656bc803721bef66f07bdcc9b88;hb=dae4540e417e2bf72dd83b2713a670bde0056ba9;hpb=ce5eab024583af5a4725503bad6ed2aee452b1aa

diff --git a/discover/parser.c b/discover/parser.c
index 5b1a7ab..2b4ddd2 100644
--- a/discover/parser.c
+++ b/discover/parser.c
@@ -2,29 +2,45 @@
 #include <stdlib.h>
 
 #include "pb-protocol/pb-protocol.h"
+#include <log/log.h>
 
 #include "device-handler.h"
-#include "log.h"
 #include "parser.h"
-extern struct parser kboot_parser;
+#include "parser-utils.h"
 
-/* array of parsers, ordered by priority */
-static struct parser *parsers[] = {
-	&kboot_parser,
-	NULL
-};
+extern struct parser __start_parsers[], __stop_parsers[];
 
 void iterate_parsers(struct discover_context *ctx)
 {
-	int i;
+	struct parser *parser;
 
 	pb_log("trying parsers for %s\n", ctx->device_path);
 
-	for (i = 0; parsers[i]; i++) {
-		pb_log("\ttrying parser '%s'\n", parsers[i]->name);
+	for (parser = __start_parsers; parser < __stop_parsers; parser++) {
+		pb_log("\ttrying parser '%s'\n", parser->name);
 		/* just use a dummy device path for now */
-		if (parsers[i]->parse(ctx))
+		if (parser->parse(ctx))
 			return;
 	}
 	pb_log("\tno boot_options found\n");
 }
+
+static int compare_parsers(const void *a, const void *b)
+{
+	const struct parser *parser_a = a, *parser_b = b;
+
+	if (parser_a->priority > parser_b->priority)
+		return -1;
+
+	if (parser_a->priority < parser_b->priority)
+		return 1;
+
+	return 0;
+}
+
+void parser_init(void)
+{
+	/* sort our parsers into descending priority order */
+	qsort(__start_parsers, __stop_parsers - __start_parsers,
+			sizeof(struct parser), compare_parsers);
+}