diff options
Diffstat (limited to 'grub-core/loader/efi/appleloader.c')
| -rw-r--r-- | grub-core/loader/efi/appleloader.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/grub-core/loader/efi/appleloader.c b/grub-core/loader/efi/appleloader.c new file mode 100644 index 0000000..74888c4 --- /dev/null +++ b/grub-core/loader/efi/appleloader.c @@ -0,0 +1,242 @@ +/* appleloader.c - apple legacy boot loader. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008,2009 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/>. + */ + +#include <grub/loader.h> +#include <grub/err.h> +#include <grub/mm.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/command.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_dl_t my_mod; + +static grub_efi_handle_t image_handle; +static grub_efi_char16_t *cmdline; + +static grub_err_t +grub_appleloader_unload (void) +{ + grub_efi_boot_services_t *b; + + b = grub_efi_system_table->boot_services; + efi_call_1 (b->unload_image, image_handle); + + grub_free (cmdline); + cmdline = 0; + + grub_dl_unref (my_mod); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_appleloader_boot (void) +{ + grub_efi_boot_services_t *b; + + b = grub_efi_system_table->boot_services; + efi_call_3 (b->start_image, image_handle, 0, 0); + + grub_appleloader_unload (); + + return grub_errno; +} + +struct piwg_full_device_path +{ + struct grub_efi_memory_mapped_device_path comp1; + struct grub_efi_piwg_device_path comp2; + struct grub_efi_device_path end; +}; + +#define MAKE_PIWG_PATH(st, en) \ + { \ + .comp1 = \ + { \ + .header = { \ + .type = GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE, \ + .subtype = GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE, \ + .length = sizeof (struct grub_efi_memory_mapped_device_path) \ + }, \ + .memory_type = GRUB_EFI_MEMORY_MAPPED_IO, \ + .start_address = st, \ + .end_address = en \ + }, \ + .comp2 = \ + { \ + .header = { \ + .type = GRUB_EFI_MEDIA_DEVICE_PATH_TYPE, \ + .subtype = GRUB_EFI_PIWG_DEVICE_PATH_SUBTYPE, \ + .length = sizeof (struct grub_efi_piwg_device_path) \ + }, \ + .guid = GRUB_EFI_VENDOR_APPLE_GUID \ + }, \ + .end = \ + { \ + .type = GRUB_EFI_END_DEVICE_PATH_TYPE, \ + .subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE, \ + .length = sizeof (struct grub_efi_device_path) \ + } \ + } + +/* early 2006 Core Duo / Core Solo models */ +static struct piwg_full_device_path devpath_1 = MAKE_PIWG_PATH (0xffe00000, + 0xfff9ffff); + +/* mid-2006 Mac Pro (and probably other Core 2 models) */ +static struct piwg_full_device_path devpath_2 = MAKE_PIWG_PATH (0xffe00000, + 0xfff7ffff); + +/* mid-2007 MBP ("Santa Rosa" based models) */ +static struct piwg_full_device_path devpath_3 = MAKE_PIWG_PATH (0xffe00000, + 0xfff8ffff); + +/* early-2008 MBA */ +static struct piwg_full_device_path devpath_4 = MAKE_PIWG_PATH (0xffc00000, + 0xfff8ffff); + +/* late-2008 MB/MBP (NVidia chipset) */ +static struct piwg_full_device_path devpath_5 = MAKE_PIWG_PATH (0xffcb4000, + 0xffffbfff); + +/* mid-2010 MB/MBP (NVidia chipset) */ +static struct piwg_full_device_path devpath_6 = MAKE_PIWG_PATH (0xffcc4000, + 0xffffbfff); + +static struct piwg_full_device_path devpath_7 = MAKE_PIWG_PATH (0xff981000, + 0xffc8ffff); + +/* mid-2012 MBP retina (MacBookPro10,1) */ +static struct piwg_full_device_path devpath_8 = MAKE_PIWG_PATH (0xff990000, + 0xffb2ffff); + +struct devdata +{ + const char *model; + grub_efi_device_path_t *devpath; +}; + +struct devdata devs[] = +{ + {"Core Duo/Solo", (grub_efi_device_path_t *) &devpath_1}, + {"Mac Pro", (grub_efi_device_path_t *) &devpath_2}, + {"MBP", (grub_efi_device_path_t *) &devpath_3}, + {"MBA", (grub_efi_device_path_t *) &devpath_4}, + {"MB NV", (grub_efi_device_path_t *) &devpath_5}, + {"MB NV2", (grub_efi_device_path_t *) &devpath_6}, + {"MBP2011", (grub_efi_device_path_t *) &devpath_7}, + {"MBP2012", (grub_efi_device_path_t *) &devpath_8}, + {NULL, NULL}, +}; + +static grub_err_t +grub_cmd_appleloader (grub_command_t cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_efi_boot_services_t *b; + grub_efi_loaded_image_t *loaded_image; + struct devdata *pdev; + + grub_dl_ref (my_mod); + + /* Initialize some global variables. */ + image_handle = 0; + + b = grub_efi_system_table->boot_services; + + for (pdev = devs ; pdev->devpath ; pdev++) + if (efi_call_6 (b->load_image, 0, grub_efi_image_handle, pdev->devpath, + NULL, 0, &image_handle) == GRUB_EFI_SUCCESS) + break; + + if (! pdev->devpath) + { + grub_error (GRUB_ERR_BAD_OS, "can't find model"); + goto fail; + } + + grub_dprintf ("appleload", "Model: %s\n", pdev->model); + + loaded_image = grub_efi_get_loaded_image (image_handle); + if (! loaded_image) + { + grub_error (GRUB_ERR_BAD_OS, "no loaded image available"); + goto fail; + } + + if (argc > 0) + { + int i, len; + grub_efi_char16_t *p16; + + for (i = 0, len = 0; i < argc; i++) + len += grub_strlen (argv[i]) + 1; + + len *= sizeof (grub_efi_char16_t); + cmdline = p16 = grub_malloc (len); + if (! cmdline) + goto fail; + + for (i = 0; i < argc; i++) + { + char *p8; + + p8 = argv[i]; + while (*p8) + *(p16++) = *(p8++); + + *(p16++) = ' '; + } + *(--p16) = 0; + + loaded_image->load_options = cmdline; + loaded_image->load_options_size = len; + } + + grub_loader_set (grub_appleloader_boot, grub_appleloader_unload, 0); + + return 0; + + fail: + + grub_dl_unref (my_mod); + return grub_errno; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(appleloader) +{ + cmd = grub_register_command ("appleloader", grub_cmd_appleloader, + N_("[OPTS]"), + /* TRANSLATORS: This command is used on EFI to + switch to BIOS mode and boot the OS requiring + BIOS. */ + N_("Boot BIOS-based system.")); + my_mod = mod; +} + +GRUB_MOD_FINI(appleloader) +{ + grub_unregister_command (cmd); +} |