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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
commit485f6ecd453d8a2fd8b9b9fadea03159d8b50797 (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/loader/efi/appleloader.c
parentInitial commit. (diff)
downloadgrub2-upstream.tar.xz
grub2-upstream.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/loader/efi/appleloader.c')
-rw-r--r--grub-core/loader/efi/appleloader.c242
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);
+}