/* init.c - generic EFI initialization and finalization */ /* * GRUB -- GRand Unified Bootloader * Copyright (C) 2006,2007 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/>. */ #include <grub/efi/efi.h> #include <grub/efi/console.h> #include <grub/efi/disk.h> #include <grub/term.h> #include <grub/misc.h> #include <grub/env.h> #include <grub/mm.h> #include <grub/kernel.h> void grub_efi_init (void) { /* First of all, initialize the console so that GRUB can display messages. */ grub_console_init (); /* Initialize the memory management system. */ grub_efi_mm_init (); efi_call_4 (grub_efi_system_table->boot_services->set_watchdog_timer, 0, 0, 0, NULL); grub_efidisk_init (); } void grub_efi_set_prefix (void) { grub_efi_loaded_image_t *image = NULL; char *device = NULL; char *path = NULL; { char *pptr = NULL; if (grub_prefix[0] == '(') { pptr = grub_strrchr (grub_prefix, ')'); if (pptr) { device = grub_strndup (grub_prefix + 1, pptr - grub_prefix - 1); pptr++; } } if (!pptr) pptr = grub_prefix; if (pptr[0]) path = grub_strdup (pptr); } if (!device || !path) image = grub_efi_get_loaded_image (grub_efi_image_handle); if (image && !device) device = grub_efidisk_get_device_name (image->device_handle); if (image && !path) { char *p; path = grub_efi_get_filename (image->file_path); /* Get the directory. */ p = grub_strrchr (path, '/'); if (p) *p = '\0'; } if (device && path) { char *prefix; prefix = grub_xasprintf ("(%s)%s", device, path); if (prefix) { grub_env_set ("prefix", prefix); grub_free (prefix); } } grub_free (device); grub_free (path); } void grub_efi_fini (void) { grub_efidisk_fini (); grub_console_fini (); }