1 files changed, 79 insertions, 0 deletions
diff --git a/include/grub/loader.h b/include/grub/loader.h
new file mode 100644
index 0000000..b208642
--- /dev/null
+++ b/include/grub/loader.h
@@ -0,0 +1,79 @@
+/* loader.h - OS loaders */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2003,2004,2006,2007,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_LOADER_HEADER
+#define GRUB_LOADER_HEADER	1
+
+#include <grub/file.h>
+#include <grub/symbol.h>
+#include <grub/err.h>
+#include <grub/types.h>
+
+/* Check if a loader is loaded.  */
+int EXPORT_FUNC (grub_loader_is_loaded) (void);
+
+/* Set loader functions.  */
+enum
+{
+  GRUB_LOADER_FLAG_NORETURN = 1,
+  GRUB_LOADER_FLAG_PXE_NOT_UNLOAD = 2,
+  GRUB_LOADER_FLAG_EFI_KEEP_ALLOCATED_MEMORY = 4,
+};
+
+void EXPORT_FUNC (grub_loader_set) (grub_err_t (*boot) (void),
+				    grub_err_t (*unload) (void),
+				    int flags);
+
+/* Unset current loader, if any.  */
+void EXPORT_FUNC (grub_loader_unset) (void);
+
+/* Call the boot hook in current loader. This may or may not return,
+   depending on the setting by grub_loader_set.  */
+grub_err_t grub_loader_boot (void);
+
+/* The space between numbers is intentional for the simplicity of adding new
+   values even if external modules use them. */
+typedef enum {
+  /* A preboot hook which can use everything and turns nothing off. */
+  GRUB_LOADER_PREBOOT_HOOK_PRIO_NORMAL = 400,
+  /* A preboot hook which can't use disks and may stop disks. */
+  GRUB_LOADER_PREBOOT_HOOK_PRIO_DISK = 300,
+  /* A preboot hook which can't use disks or console and may stop console. */
+  GRUB_LOADER_PREBOOT_HOOK_PRIO_CONSOLE = 200,
+  /* A preboot hook which can't use disks or console, can't modify memory map
+     and may stop memory services or finalize memory map. */
+  GRUB_LOADER_PREBOOT_HOOK_PRIO_MEMORY = 100,
+} grub_loader_preboot_hook_prio_t;
+
+/* Register a preboot hook. */
+struct grub_preboot;
+
+struct grub_preboot *EXPORT_FUNC(grub_loader_register_preboot_hook) (grub_err_t (*preboot_func) (int noret),
+								     grub_err_t (*preboot_rest_func) (void),
+								     grub_loader_preboot_hook_prio_t prio);
+
+/* Unregister given preboot hook. */
+void EXPORT_FUNC (grub_loader_unregister_preboot_hook) (struct grub_preboot *hnd);
+
+#ifndef GRUB_MACHINE_EMU
+void grub_boot_init (void);
+void grub_boot_fini (void);
+#endif
+
+#endif /* ! GRUB_LOADER_HEADER */