2N/A/* appleloader.c - apple legacy boot loader. */
2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2008,2009 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#include <grub/loader.h>
2N/A#include <grub/err.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/dl.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/efi/api.h>
2N/A#include <grub/efi/efi.h>
2N/A#include <grub/command.h>
2N/A#include <grub/i18n.h>
2N/A
2N/AGRUB_MOD_LICENSE ("GPLv3+");
2N/A
2N/Astatic grub_dl_t my_mod;
2N/A
2N/Astatic grub_efi_handle_t image_handle;
2N/Astatic grub_efi_char16_t *cmdline;
2N/A
2N/Astatic grub_err_t
2N/Agrub_appleloader_unload (void)
2N/A{
2N/A grub_efi_boot_services_t *b;
2N/A
2N/A b = grub_efi_system_table->boot_services;
2N/A efi_call_1 (b->unload_image, image_handle);
2N/A
2N/A grub_free (cmdline);
2N/A cmdline = 0;
2N/A
2N/A grub_dl_unref (my_mod);
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_appleloader_boot (void)
2N/A{
2N/A grub_efi_boot_services_t *b;
2N/A
2N/A b = grub_efi_system_table->boot_services;
2N/A efi_call_3 (b->start_image, image_handle, 0, 0);
2N/A
2N/A grub_appleloader_unload ();
2N/A
2N/A return grub_errno;
2N/A}
2N/A
2N/Astruct piwg_full_device_path
2N/A{
2N/A struct grub_efi_memory_mapped_device_path comp1;
2N/A struct grub_efi_piwg_device_path comp2;
2N/A struct grub_efi_device_path end;
2N/A};
2N/A
2N/A#define MAKE_PIWG_PATH(st, en) \
2N/A { \
2N/A .comp1 = \
2N/A { \
2N/A .header = { \
2N/A .type = GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE, \
2N/A .subtype = GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE, \
2N/A .length = {sizeof (struct grub_efi_memory_mapped_device_path), 0} \
2N/A }, \
2N/A .memory_type = GRUB_EFI_MEMORY_MAPPED_IO, \
2N/A .start_address = st, \
2N/A .end_address = en \
2N/A }, \
2N/A .comp2 = \
2N/A { \
2N/A .header = { \
2N/A .type = GRUB_EFI_MEDIA_DEVICE_PATH_TYPE, \
2N/A .subtype = GRUB_EFI_PIWG_DEVICE_PATH_SUBTYPE, \
2N/A .length = {sizeof (struct grub_efi_piwg_device_path), 0} \
2N/A }, \
2N/A .guid = {0x2B0585EB, 0xD8B8, 0x49A9, {0x8B, 0x8C, 0xE2, 0x1B, \
2N/A 0x01, 0xAE, 0xF2, 0xB7}} \
2N/A }, \
2N/A .end = \
2N/A { \
2N/A .type = GRUB_EFI_END_DEVICE_PATH_TYPE, \
2N/A .subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE, \
2N/A .length = {sizeof (struct grub_efi_device_path), 0} \
2N/A } \
2N/A }
2N/A
2N/A/* early 2006 Core Duo / Core Solo models */
2N/Astatic struct piwg_full_device_path devpath_1 = MAKE_PIWG_PATH (0xffe00000,
2N/A 0xfff9ffff);
2N/A
2N/A/* mid-2006 Mac Pro (and probably other Core 2 models) */
2N/Astatic struct piwg_full_device_path devpath_2 = MAKE_PIWG_PATH (0xffe00000,
2N/A 0xfff7ffff);
2N/A
2N/A/* mid-2007 MBP ("Santa Rosa" based models) */
2N/Astatic struct piwg_full_device_path devpath_3 = MAKE_PIWG_PATH (0xffe00000,
2N/A 0xfff8ffff);
2N/A
2N/A/* early-2008 MBA */
2N/Astatic struct piwg_full_device_path devpath_4 = MAKE_PIWG_PATH (0xffc00000,
2N/A 0xfff8ffff);
2N/A
2N/A/* late-2008 MB/MBP (NVidia chipset) */
2N/Astatic struct piwg_full_device_path devpath_5 = MAKE_PIWG_PATH (0xffcb4000,
2N/A 0xffffbfff);
2N/A
2N/A/* mid-2010 MB/MBP (NVidia chipset) */
2N/Astatic struct piwg_full_device_path devpath_6 = MAKE_PIWG_PATH (0xffcc4000,
2N/A 0xffffbfff);
2N/A
2N/Astruct devdata
2N/A{
2N/A const char *model;
2N/A grub_efi_device_path_t *devpath;
2N/A};
2N/A
2N/Astruct devdata devs[] =
2N/A{
2N/A {"Core Duo/Solo", (grub_efi_device_path_t *) &devpath_1},
2N/A {"Mac Pro", (grub_efi_device_path_t *) &devpath_2},
2N/A {"MBP", (grub_efi_device_path_t *) &devpath_3},
2N/A {"MBA", (grub_efi_device_path_t *) &devpath_4},
2N/A {"MB NV", (grub_efi_device_path_t *) &devpath_5},
2N/A {"MB NV2", (grub_efi_device_path_t *) &devpath_6},
2N/A {NULL, NULL},
2N/A};
2N/A
2N/Astatic grub_err_t
2N/Agrub_cmd_appleloader (grub_command_t cmd __attribute__ ((unused)),
2N/A int argc, char *argv[])
2N/A{
2N/A grub_efi_boot_services_t *b;
2N/A grub_efi_loaded_image_t *loaded_image;
2N/A struct devdata *pdev;
2N/A
2N/A grub_dl_ref (my_mod);
2N/A
2N/A /* Initialize some global variables. */
2N/A image_handle = 0;
2N/A
2N/A b = grub_efi_system_table->boot_services;
2N/A
2N/A for (pdev = devs ; pdev->devpath ; pdev++)
2N/A if (efi_call_6 (b->load_image, 0, grub_efi_image_handle, pdev->devpath,
2N/A NULL, 0, &image_handle) == GRUB_EFI_SUCCESS)
2N/A break;
2N/A
2N/A if (! pdev->devpath)
2N/A {
2N/A grub_error (GRUB_ERR_BAD_OS, "can't find model");
2N/A goto fail;
2N/A }
2N/A
2N/A grub_printf ("Model : %s\n", pdev->model);
2N/A
2N/A loaded_image = grub_efi_get_loaded_image (image_handle);
2N/A if (! loaded_image)
2N/A {
2N/A grub_error (GRUB_ERR_BAD_OS, "no loaded image available");
2N/A goto fail;
2N/A }
2N/A
2N/A if (argc > 0)
2N/A {
2N/A int i, len;
2N/A grub_efi_char16_t *p16;
2N/A
2N/A for (i = 0, len = 0; i < argc; i++)
2N/A len += grub_strlen (argv[i]) + 1;
2N/A
2N/A len *= sizeof (grub_efi_char16_t);
2N/A cmdline = p16 = grub_malloc (len);
2N/A if (! cmdline)
2N/A goto fail;
2N/A
2N/A for (i = 0; i < argc; i++)
2N/A {
2N/A char *p8;
2N/A
2N/A p8 = argv[i];
2N/A while (*p8)
2N/A *(p16++) = *(p8++);
2N/A
2N/A *(p16++) = ' ';
2N/A }
2N/A *(--p16) = 0;
2N/A
2N/A loaded_image->load_options = cmdline;
2N/A loaded_image->load_options_size = len;
2N/A }
2N/A
2N/A grub_loader_set (grub_appleloader_boot, grub_appleloader_unload, 0);
2N/A
2N/A return 0;
2N/A
2N/A fail:
2N/A
2N/A grub_dl_unref (my_mod);
2N/A return grub_errno;
2N/A}
2N/A
2N/Astatic grub_command_t cmd;
2N/A
2N/AGRUB_MOD_INIT(appleloader)
2N/A{
2N/A cmd = grub_register_command ("appleloader", grub_cmd_appleloader,
2N/A "[OPTS]", N_("Boot legacy system."));
2N/A my_mod = mod;
2N/A}
2N/A
2N/AGRUB_MOD_FINI(appleloader)
2N/A{
2N/A grub_unregister_command (cmd);
2N/A}