discover/grub2: Implement 'linux' & 'initrd' commands

[petitboot] / discover / grub2 / grub2.h

diff --git a/discover/grub2/grub2.h b/discover/grub2/grub2.h
index cbd69dc70188b27cd5ae8c77fc4ce404b3c0de3d..4949f3c031a9027f4aa5e42c9c92626ff5258535 100644 (file)
--- a/discover/grub2/grub2.h
+++ b/discover/grub2/grub2.h
@@ -1,6 +1,8 @@
 #ifndef GRUB2_H
 #define GRUB2_H
 
+#include <discover/device-handler.h>
+
 #include <stdbool.h>
 #include <list/list.h>
 
@@ -12,18 +14,22 @@ struct grub2_word {
                GRUB2_WORD_VAR,
        } type;
        union {
-               char    *text;
-               struct {
-                       const char      *name;
-                       bool            split;
-               } var;
+               char            *text;
+               const char      *name;
        };
+       bool                    split;
        struct grub2_word       *next;
+       struct grub2_word       *last;
        struct list_item        argv_list;
 };
 
 struct grub2_argv {
        struct list             words;
+
+       /* postprocessing (with process_expansions) populates these to hand to
+        * the grub2_command callbacks */
+       char                    **argv;
+       int                     argc;
 };
 
 struct grub2_statements {
@@ -65,9 +71,13 @@ struct grub2_statement_block {
        struct grub2_statements *statements;
 };
 
+
 struct grub2_script {
-       struct grub2_statements *statements;
-       struct list             environment;
+       struct grub2_statements         *statements;
+       struct list                     environment;
+       struct list                     symtab;
+       struct discover_context         *ctx;
+       struct discover_boot_option     *opt;
 };
 
 struct grub2_parser {
@@ -75,6 +85,10 @@ struct grub2_parser {
        struct grub2_script     *script;
 };
 
+/* type for builtin functions */
+typedef int (*grub2_function)(struct grub2_script *script, void *data,
+                               int argc, char *argv[]);
+
 struct grub2_statements *create_statements(struct grub2_parser *parser);
 
 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
@@ -113,8 +127,32 @@ int statement_simple_execute(struct grub2_script *script,
                struct grub2_statement *statement);
 int statement_if_execute(struct grub2_script *script,
                struct grub2_statement *statement);
+int statement_menuentry_execute(struct grub2_script *script,
+               struct grub2_statement *statement);
+
+struct grub2_script *create_script(struct grub2_parser *parser,
+               struct discover_context *ctx);
+
+const char *script_env_get(struct grub2_script *script, const char *name);
+
+void script_env_set(struct grub2_script *script,
+               const char *name, const char *value);
+
+void script_register_function(struct grub2_script *script,
+               const char *name, grub2_function fn, void *data);
+
+void register_builtins(struct grub2_script *script);
+
+/* resources */
+struct resource *create_grub2_resource(void *ctx,
+               struct discover_device *orig_device,
+               const char *root, const char *path);
 
-struct grub2_script *create_script(void *ctx);
+bool resolve_grub2_resource(struct device_handler *handler,
+               struct resource *res);
 
+/* external parser api */
+struct grub2_parser *grub2_parser_create(struct discover_context *ctx);
+void grub2_parser_parse(struct grub2_parser *parser, char *buf, int len);
 #endif /* GRUB2_H */