X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fgrub2%2Fgrub2.c;h=5b3009a465f7d43ac8f351c00aac7b1075fbd24b;hp=ebc6ac7b6d72383d24efc29a1c08bf11cf2b8d6f;hb=37bff93c8b0a71432613f41f2319dc073ca64619;hpb=2ea5eb23b027519372dd20fbe8f958c06ac2aa6c diff --git a/discover/grub2/grub2.c b/discover/grub2/grub2.c index ebc6ac7..5b3009a 100644 --- a/discover/grub2/grub2.c +++ b/discover/grub2/grub2.c @@ -1,15 +1,15 @@ #include +#include #include +#include #include #include #include #include "grub2.h" -#include "parser.h" -#include "lexer.h" static const char *const grub2_conf_files[] = { "/grub.cfg", @@ -31,24 +31,30 @@ static const char *const grub2_conf_files[] = { }; struct grub2_resource_info { - struct grub2_root *root; + char *root; char *path; }; /* we use slightly different resources for grub2 */ -struct resource *create_grub2_resource(void *ctx, +struct resource *create_grub2_resource(struct discover_boot_option *opt, struct discover_device *orig_device, - struct grub2_root *root, const char *path) + const char *root, const char *path) { struct grub2_resource_info *info; struct resource *res; - res = talloc(ctx, struct resource); + if (strstr(path, "://")) { + struct pb_url *url = pb_url_parse(opt, path); + if (url) + return create_url_resource(opt, url); + } + + res = talloc(opt, struct resource); if (root) { info = talloc(res, struct grub2_resource_info); - info->root = root; talloc_reference(info, root); + info->root = talloc_strdup(info, root); info->path = talloc_strdup(info, path); res->resolved = false; @@ -68,7 +74,7 @@ bool resolve_grub2_resource(struct device_handler *handler, assert(!res->resolved); - dev = device_lookup_by_uuid(handler, info->root->uuid); + dev = device_lookup_by_uuid(handler, info->root); if (!dev) return false; @@ -79,24 +85,36 @@ bool resolve_grub2_resource(struct device_handler *handler, return true; } -static int grub2_parse(struct discover_context *dc, char *buf, int len) +static int grub2_parse(struct discover_context *dc) { + const char * const *filename; struct grub2_parser *parser; + int len, rc; + char *buf; + + /* Support block device boot only at present */ + if (dc->event) + return -1; - parser = grub2_parser_create(dc); + for (filename = grub2_conf_files; *filename; filename++) { + rc = parser_request_file(dc, dc->device, *filename, &buf, &len); + if (rc) + continue; - grub2_parser_parse(parser, buf, len); + parser = grub2_parser_create(dc); + grub2_parser_parse(parser, *filename, buf, len); + talloc_free(buf); + talloc_free(parser); + break; + } - talloc_free(parser); - return 1; + return 0; } static struct parser grub2_parser = { .name = "grub2", - .method = CONF_METHOD_LOCAL_FILE, .parse = grub2_parse, - .filenames = grub2_conf_files, .resolve_resource = resolve_grub2_resource, };