+/* efi.c - generic EFI support */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2006,2007,2008,2009,2010 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/misc.h>
+#include <grub/charset.h>
+#include <grub/efi/api.h>
+#include <grub/efi/efi.h>
+#include <grub/efi/console_control.h>
+#include <grub/efi/pe32.h>
+#include <grub/time.h>
+#include <grub/term.h>
+#include <grub/kernel.h>
+#include <grub/mm.h>
+#include <grub/loader.h>
+
+/* The handle of GRUB itself. Filled in by the startup code. */
+grub_efi_handle_t grub_efi_image_handle;
+
+/* The pointer to a system table. Filled in by the startup code. */
+grub_efi_system_table_t *grub_efi_system_table;
+
+static grub_efi_guid_t console_control_guid = GRUB_EFI_CONSOLE_CONTROL_GUID;
+static grub_efi_guid_t loaded_image_guid = GRUB_EFI_LOADED_IMAGE_GUID;
+static grub_efi_guid_t device_path_guid = GRUB_EFI_DEVICE_PATH_GUID;
+
+void *
+grub_efi_locate_protocol (grub_efi_guid_t *protocol, void *registration)
+{
+ void *interface;
+ grub_efi_status_t status;
+
+ status = efi_call_3 (grub_efi_system_table->boot_services->locate_protocol,
+ protocol, registration, &interface);
+ if (status != GRUB_EFI_SUCCESS)
+ return 0;
+
+ return interface;
+}
+
+/* Return the array of handles which meet the requirement. If successful,
+ the number of handles is stored in NUM_HANDLES. The array is allocated
+ from the heap. */
+grub_efi_handle_t *
+grub_efi_locate_handle (grub_efi_locate_search_type_t search_type,
+ grub_efi_guid_t *protocol,
+ void *search_key,
+ grub_efi_uintn_t *num_handles)
+{
+ grub_efi_boot_services_t *b;
+ grub_efi_status_t status;
+ grub_efi_handle_t *buffer;
+ grub_efi_uintn_t buffer_size = 8 * sizeof (grub_efi_handle_t);
+
+ buffer = grub_malloc (buffer_size);
+ if (! buffer)
+ return 0;
+
+ b = grub_efi_system_table->boot_services;
+ status = efi_call_5 (b->locate_handle, search_type, protocol, search_key,
+ &buffer_size, buffer);
+ if (status == GRUB_EFI_BUFFER_TOO_SMALL)
+ {
+ grub_free (buffer);
+ buffer = grub_malloc (buffer_size);
+ if (! buffer)
+ return 0;
+
+ status = efi_call_5 (b->locate_handle, search_type, protocol, search_key,
+ &buffer_size, buffer);
+ }
+
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_free (buffer);
+ return 0;
+ }
+
+ *num_handles = buffer_size / sizeof (grub_efi_handle_t);
+ return buffer;
+}
+
+void *
+grub_efi_open_protocol (grub_efi_handle_t handle,
+ grub_efi_guid_t *protocol,
+ grub_efi_uint32_t attributes)
+{
+ grub_efi_boot_services_t *b;
+ grub_efi_status_t status;
+ void *interface;
+
+ b = grub_efi_system_table->boot_services;
+ status = efi_call_6 (b->open_protocol, handle,
+ protocol,
+ &interface,
+ grub_efi_image_handle,
+ 0,
+ attributes);
+ if (status != GRUB_EFI_SUCCESS)
+ return 0;
+
+ return interface;
+}
+
+int
+grub_efi_set_text_mode (int on)
+{
+ grub_efi_console_control_protocol_t *c;
+ grub_efi_screen_mode_t mode, new_mode;
+
+ c = grub_efi_locate_protocol (&console_control_guid, 0);
+ if (! c)
+ /* No console control protocol instance available, assume it is
+ already in text mode. */
+ return 1;
+
+ if (efi_call_4 (c->get_mode, c, &mode, 0, 0) != GRUB_EFI_SUCCESS)
+ return 0;
+
+ new_mode = on ? GRUB_EFI_SCREEN_TEXT : GRUB_EFI_SCREEN_GRAPHICS;
+ if (mode != new_mode)
+ if (efi_call_2 (c->set_mode, c, new_mode) != GRUB_EFI_SUCCESS)
+ return 0;
+
+ return 1;
+}
+
+void
+grub_efi_stall (grub_efi_uintn_t microseconds)
+{
+ efi_call_1 (grub_efi_system_table->boot_services->stall, microseconds);
+}
+
+grub_efi_loaded_image_t *
+grub_efi_get_loaded_image (grub_efi_handle_t image_handle)
+{
+ return grub_efi_open_protocol (image_handle,
+ &loaded_image_guid,
+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+}
+
+void
+grub_reboot (void)
+{
+ grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
+ efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
+ GRUB_EFI_RESET_COLD, GRUB_EFI_SUCCESS, 0, NULL);
+ for (;;) ;
+}
+
+void
+grub_exit (void)
+{
+ grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
+ efi_call_4 (grub_efi_system_table->boot_services->exit,
+ grub_efi_image_handle, GRUB_EFI_SUCCESS, 0, 0);
+ for (;;) ;
+}
+
+grub_err_t
+grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
+ grub_efi_uintn_t descriptor_size,
+ grub_efi_uint32_t descriptor_version,
+ grub_efi_memory_descriptor_t *virtual_map)
+{
+ grub_efi_runtime_services_t *r;
+ grub_efi_status_t status;
+
+ r = grub_efi_system_table->runtime_services;
+ status = efi_call_4 (r->set_virtual_address_map, memory_map_size,
+ descriptor_size, descriptor_version, virtual_map);
+
+ if (status == GRUB_EFI_SUCCESS)
+ return GRUB_ERR_NONE;
+
+ return grub_error (GRUB_ERR_IO, "set_virtual_address_map failed");
+}
+
+grub_err_t
+grub_efi_set_variable(const char *var, const grub_efi_guid_t *guid,
+ void *data, grub_size_t datasize)
+{
+ grub_efi_status_t status;
+ grub_efi_runtime_services_t *r;
+ grub_efi_char16_t *var16;
+ grub_size_t len, len16;
+
+ len = grub_strlen (var);
+ len16 = len * GRUB_MAX_UTF16_PER_UTF8;
+ var16 = grub_malloc ((len16 + 1) * sizeof (var16[0]));
+ if (!var16)
+ return grub_errno;
+ len16 = grub_utf8_to_utf16 (var16, len16, (grub_uint8_t *) var, len, NULL);
+ var16[len16] = 0;
+
+ r = grub_efi_system_table->runtime_services;
+
+ status = efi_call_5 (r->set_variable, var16, guid,
+ (GRUB_EFI_VARIABLE_NON_VOLATILE
+ | GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS
+ | GRUB_EFI_VARIABLE_RUNTIME_ACCESS),
+ datasize, data);
+ grub_free (var16);
+ if (status == GRUB_EFI_SUCCESS)
+ return GRUB_ERR_NONE;
+
+ return grub_error (GRUB_ERR_IO, "could not set EFI variable `%s'", var);
+}
+
+void *
+grub_efi_get_variable (const char *var, const grub_efi_guid_t *guid,
+ grub_size_t *datasize_out)
+{
+ grub_efi_status_t status;
+ grub_efi_uintn_t datasize = 0;
+ grub_efi_runtime_services_t *r;
+ grub_efi_char16_t *var16;
+ void *data;
+ grub_size_t len, len16;
+
+ *datasize_out = 0;
+
+ len = grub_strlen (var);
+ len16 = len * GRUB_MAX_UTF16_PER_UTF8;
+ var16 = grub_malloc ((len16 + 1) * sizeof (var16[0]));
+ if (!var16)
+ return NULL;
+ len16 = grub_utf8_to_utf16 (var16, len16, (grub_uint8_t *) var, len, NULL);
+ var16[len16] = 0;
+
+ r = grub_efi_system_table->runtime_services;
+
+ status = efi_call_5 (r->get_variable, var16, guid, NULL, &datasize, NULL);
+
+ if (status != GRUB_EFI_BUFFER_TOO_SMALL || !datasize)
+ {
+ grub_free (var16);
+ return NULL;
+ }
+
+ data = grub_malloc (datasize);
+ if (!data)
+ {
+ grub_free (var16);
+ return NULL;
+ }
+
+ status = efi_call_5 (r->get_variable, var16, guid, NULL, &datasize, data);
+ grub_free (var16);
+
+ if (status == GRUB_EFI_SUCCESS)
+ {
+ *datasize_out = datasize;
+ return data;
+ }
+
+ grub_free (data);
+ return NULL;
+}
+
+#pragma GCC diagnostic ignored "-Wcast-align"
+
+/* Search the mods section from the PE32/PE32+ image. This code uses
+ a PE32 header, but should work with PE32+ as well. */
+grub_addr_t
+grub_efi_modules_addr (void)
+{
+ grub_efi_loaded_image_t *image;
+ struct grub_pe32_header *header;
+ struct grub_pe32_coff_header *coff_header;
+ struct grub_pe32_section_table *sections;
+ struct grub_pe32_section_table *section;
+ struct grub_module_info *info;
+ grub_uint16_t i;
+
+ image = grub_efi_get_loaded_image (grub_efi_image_handle);
+ if (! image)
+ return 0;
+
+ header = image->image_base;
+ coff_header = &(header->coff_header);
+ sections
+ = (struct grub_pe32_section_table *) ((char *) coff_header
+ + sizeof (*coff_header)
+ + coff_header->optional_header_size);
+
+ for (i = 0, section = sections;
+ i < coff_header->num_sections;
+ i++, section++)
+ {
+ if (grub_strcmp (section->name, "mods") == 0)
+ break;
+ }
+
+ if (i == coff_header->num_sections)
+ return 0;
+
+ info = (struct grub_module_info *) ((char *) image->image_base
+ + section->virtual_address);
+ if (info->magic != GRUB_MODULE_MAGIC)
+ return 0;
+
+ return (grub_addr_t) info;
+}
+
+#pragma GCC diagnostic error "-Wcast-align"
+
+char *
+grub_efi_get_filename (grub_efi_device_path_t *dp0)
+{
+ char *name = 0, *p, *pi;
+ grub_size_t filesize = 0;
+ grub_efi_device_path_t *dp;
+
+ if (!dp0)
+ return NULL;
+
+ dp = dp0;
+
+ while (1)
+ {
+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (dp);
+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp);
+
+ if (type == GRUB_EFI_END_DEVICE_PATH_TYPE)
+ break;
+ if (type == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE
+ && subtype == GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE)
+ {
+ grub_efi_uint16_t len;
+ len = ((GRUB_EFI_DEVICE_PATH_LENGTH (dp) - 4)
+ / sizeof (grub_efi_char16_t));
+ filesize += GRUB_MAX_UTF8_PER_UTF16 * len + 2;
+ }
+
+ dp = GRUB_EFI_NEXT_DEVICE_PATH (dp);
+ }
+
+ if (!filesize)
+ return NULL;
+
+ dp = dp0;
+
+ p = name = grub_malloc (filesize);
+ if (!name)
+ return NULL;
+
+ while (1)
+ {
+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (dp);
+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp);
+
+ if (type == GRUB_EFI_END_DEVICE_PATH_TYPE)
+ break;
+ else if (type == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE
+ && subtype == GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE)
+ {
+ grub_efi_file_path_device_path_t *fp;
+ grub_efi_uint16_t len;
+ grub_efi_char16_t *dup_name;
+
+ *p++ = '/';
+
+ len = ((GRUB_EFI_DEVICE_PATH_LENGTH (dp) - 4)
+ / sizeof (grub_efi_char16_t));
+ fp = (grub_efi_file_path_device_path_t *) dp;
+ /* According to EFI spec Path Name is NULL terminated */
+ while (len > 0 && fp->path_name[len - 1] == 0)
+ len--;
+
+ dup_name = grub_malloc (len * sizeof (*dup_name));
+ if (!dup_name)
+ {
+ grub_free (name);
+ return NULL;
+ }
+ p = (char *) grub_utf16_to_utf8 ((unsigned char *) p,
+ grub_memcpy (dup_name, fp->path_name, len * sizeof (*dup_name)),
+ len);
+ grub_free (dup_name);
+ }
+
+ dp = GRUB_EFI_NEXT_DEVICE_PATH (dp);
+ }
+
+ *p = '\0';
+
+ for (pi = name, p = name; *pi;)
+ {
+ /* EFI breaks paths with backslashes. */
+ if (*pi == '\\' || *pi == '/')
+ {
+ *p++ = '/';
+ while (*pi == '\\' || *pi == '/')
+ pi++;
+ continue;
+ }
+ *p++ = *pi++;
+ }
+ *p = '\0';
+
+ return name;
+}
+
+grub_efi_device_path_t *
+grub_efi_get_device_path (grub_efi_handle_t handle)
+{
+ return grub_efi_open_protocol (handle, &device_path_guid,
+ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+}
+
+/* Return the device path node right before the end node. */
+grub_efi_device_path_t *
+grub_efi_find_last_device_path (const grub_efi_device_path_t *dp)
+{
+ grub_efi_device_path_t *next, *p;
+
+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp))
+ return 0;
+
+ for (p = (grub_efi_device_path_t *) dp, next = GRUB_EFI_NEXT_DEVICE_PATH (p);
+ ! GRUB_EFI_END_ENTIRE_DEVICE_PATH (next);
+ p = next, next = GRUB_EFI_NEXT_DEVICE_PATH (next))
+ ;
+
+ return p;
+}
+
+/* Duplicate a device path. */
+grub_efi_device_path_t *
+grub_efi_duplicate_device_path (const grub_efi_device_path_t *dp)
+{
+ grub_efi_device_path_t *p;
+ grub_size_t total_size = 0;
+
+ for (p = (grub_efi_device_path_t *) dp;
+ ;
+ p = GRUB_EFI_NEXT_DEVICE_PATH (p))
+ {
+ total_size += GRUB_EFI_DEVICE_PATH_LENGTH (p);
+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (p))
+ break;
+ }
+
+ p = grub_malloc (total_size);
+ if (! p)
+ return 0;
+
+ grub_memcpy (p, dp, total_size);
+ return p;
+}
+
+static void
+dump_vendor_path (const char *type, grub_efi_vendor_device_path_t *vendor)
+{
+ grub_uint32_t vendor_data_len = vendor->header.length - sizeof (*vendor);
+ grub_printf ("/%sVendor(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)[%x: ",
+ type,
+ (unsigned) vendor->vendor_guid.data1,
+ (unsigned) vendor->vendor_guid.data2,
+ (unsigned) vendor->vendor_guid.data3,
+ (unsigned) vendor->vendor_guid.data4[0],
+ (unsigned) vendor->vendor_guid.data4[1],
+ (unsigned) vendor->vendor_guid.data4[2],
+ (unsigned) vendor->vendor_guid.data4[3],
+ (unsigned) vendor->vendor_guid.data4[4],
+ (unsigned) vendor->vendor_guid.data4[5],
+ (unsigned) vendor->vendor_guid.data4[6],
+ (unsigned) vendor->vendor_guid.data4[7],
+ vendor_data_len);
+ if (vendor->header.length > sizeof (*vendor))
+ {
+ grub_uint32_t i;
+ for (i = 0; i < vendor_data_len; i++)
+ grub_printf ("%02x ", vendor->vendor_defined_data[i]);
+ }
+ grub_printf ("]");
+}
+
+
+/* Print the chain of Device Path nodes. This is mainly for debugging. */
+void
+grub_efi_print_device_path (grub_efi_device_path_t *dp)
+{
+ while (1)
+ {
+ grub_efi_uint8_t type = GRUB_EFI_DEVICE_PATH_TYPE (dp);
+ grub_efi_uint8_t subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp);
+ grub_efi_uint16_t len = GRUB_EFI_DEVICE_PATH_LENGTH (dp);
+
+ switch (type)
+ {
+ case GRUB_EFI_END_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE:
+ grub_printf ("/EndEntire\n");
+ //grub_putchar ('\n');
+ break;
+ case GRUB_EFI_END_THIS_DEVICE_PATH_SUBTYPE:
+ grub_printf ("/EndThis\n");
+ //grub_putchar ('\n');
+ break;
+ default:
+ grub_printf ("/EndUnknown(%x)\n", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ case GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_PCI_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_pci_device_path_t *pci
+ = (grub_efi_pci_device_path_t *) dp;
+ grub_printf ("/PCI(%x,%x)",
+ (unsigned) pci->function, (unsigned) pci->device);
+ }
+ break;
+ case GRUB_EFI_PCCARD_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_pccard_device_path_t *pccard
+ = (grub_efi_pccard_device_path_t *) dp;
+ grub_printf ("/PCCARD(%x)",
+ (unsigned) pccard->function);
+ }
+ break;
+ case GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_memory_mapped_device_path_t *mmapped
+ = (grub_efi_memory_mapped_device_path_t *) dp;
+ grub_printf ("/MMap(%x,%llx,%llx)",
+ (unsigned) mmapped->memory_type,
+ (unsigned long long) mmapped->start_address,
+ (unsigned long long) mmapped->end_address);
+ }
+ break;
+ case GRUB_EFI_VENDOR_DEVICE_PATH_SUBTYPE:
+ dump_vendor_path ("Hardware",
+ (grub_efi_vendor_device_path_t *) dp);
+ break;
+ case GRUB_EFI_CONTROLLER_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_controller_device_path_t *controller
+ = (grub_efi_controller_device_path_t *) dp;
+ grub_printf ("/Ctrl(%x)",
+ (unsigned) controller->controller_number);
+ }
+ break;
+ default:
+ grub_printf ("/UnknownHW(%x)", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ case GRUB_EFI_ACPI_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_ACPI_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_acpi_device_path_t *acpi
+ = (grub_efi_acpi_device_path_t *) dp;
+ grub_printf ("/ACPI(%x,%x)",
+ (unsigned) acpi->hid,
+ (unsigned) acpi->uid);
+ }
+ break;
+ case GRUB_EFI_EXPANDED_ACPI_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_expanded_acpi_device_path_t *eacpi
+ = (grub_efi_expanded_acpi_device_path_t *) dp;
+ grub_printf ("/ACPI(");
+
+ if (GRUB_EFI_EXPANDED_ACPI_HIDSTR (dp)[0] == '\0')
+ grub_printf ("%x,", (unsigned) eacpi->hid);
+ else
+ grub_printf ("%s,", GRUB_EFI_EXPANDED_ACPI_HIDSTR (dp));
+
+ if (GRUB_EFI_EXPANDED_ACPI_UIDSTR (dp)[0] == '\0')
+ grub_printf ("%x,", (unsigned) eacpi->uid);
+ else
+ grub_printf ("%s,", GRUB_EFI_EXPANDED_ACPI_UIDSTR (dp));
+
+ if (GRUB_EFI_EXPANDED_ACPI_CIDSTR (dp)[0] == '\0')
+ grub_printf ("%x)", (unsigned) eacpi->cid);
+ else
+ grub_printf ("%s)", GRUB_EFI_EXPANDED_ACPI_CIDSTR (dp));
+ }
+ break;
+ default:
+ grub_printf ("/UnknownACPI(%x)", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ case GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_ATAPI_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_atapi_device_path_t *atapi
+ = (grub_efi_atapi_device_path_t *) dp;
+ grub_printf ("/ATAPI(%x,%x,%x)",
+ (unsigned) atapi->primary_secondary,
+ (unsigned) atapi->slave_master,
+ (unsigned) atapi->lun);
+ }
+ break;
+ case GRUB_EFI_SCSI_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_scsi_device_path_t *scsi
+ = (grub_efi_scsi_device_path_t *) dp;
+ grub_printf ("/SCSI(%x,%x)",
+ (unsigned) scsi->pun,
+ (unsigned) scsi->lun);
+ }
+ break;
+ case GRUB_EFI_FIBRE_CHANNEL_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_fibre_channel_device_path_t *fc
+ = (grub_efi_fibre_channel_device_path_t *) dp;
+ grub_printf ("/FibreChannel(%llx,%llx)",
+ (unsigned long long) fc->wwn,
+ (unsigned long long) fc->lun);
+ }
+ break;
+ case GRUB_EFI_1394_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_1394_device_path_t *firewire
+ = (grub_efi_1394_device_path_t *) dp;
+ grub_printf ("/1394(%llx)",
+ (unsigned long long) firewire->guid);
+ }
+ break;
+ case GRUB_EFI_USB_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_usb_device_path_t *usb
+ = (grub_efi_usb_device_path_t *) dp;
+ grub_printf ("/USB(%x,%x)",
+ (unsigned) usb->parent_port_number,
+ (unsigned) usb->usb_interface);
+ }
+ break;
+ case GRUB_EFI_USB_CLASS_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_usb_class_device_path_t *usb_class
+ = (grub_efi_usb_class_device_path_t *) dp;
+ grub_printf ("/USBClass(%x,%x,%x,%x,%x)",
+ (unsigned) usb_class->vendor_id,
+ (unsigned) usb_class->product_id,
+ (unsigned) usb_class->device_class,
+ (unsigned) usb_class->device_subclass,
+ (unsigned) usb_class->device_protocol);
+ }
+ break;
+ case GRUB_EFI_I2O_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_i2o_device_path_t *i2o
+ = (grub_efi_i2o_device_path_t *) dp;
+ grub_printf ("/I2O(%x)", (unsigned) i2o->tid);
+ }
+ break;
+ case GRUB_EFI_MAC_ADDRESS_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_mac_address_device_path_t *mac
+ = (grub_efi_mac_address_device_path_t *) dp;
+ grub_printf ("/MacAddr(%02x:%02x:%02x:%02x:%02x:%02x,%x)",
+ (unsigned) mac->mac_address[0],
+ (unsigned) mac->mac_address[1],
+ (unsigned) mac->mac_address[2],
+ (unsigned) mac->mac_address[3],
+ (unsigned) mac->mac_address[4],
+ (unsigned) mac->mac_address[5],
+ (unsigned) mac->if_type);
+ }
+ break;
+ case GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_ipv4_device_path_t *ipv4
+ = (grub_efi_ipv4_device_path_t *) dp;
+ grub_printf ("/IPv4(%u.%u.%u.%u,%u.%u.%u.%u,%u,%u,%x,%x)",
+ (unsigned) ipv4->local_ip_address[0],
+ (unsigned) ipv4->local_ip_address[1],
+ (unsigned) ipv4->local_ip_address[2],
+ (unsigned) ipv4->local_ip_address[3],
+ (unsigned) ipv4->remote_ip_address[0],
+ (unsigned) ipv4->remote_ip_address[1],
+ (unsigned) ipv4->remote_ip_address[2],
+ (unsigned) ipv4->remote_ip_address[3],
+ (unsigned) ipv4->local_port,
+ (unsigned) ipv4->remote_port,
+ (unsigned) ipv4->protocol,
+ (unsigned) ipv4->static_ip_address);
+ }
+ break;
+ case GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_ipv6_device_path_t *ipv6
+ = (grub_efi_ipv6_device_path_t *) dp;
+ grub_printf ("/IPv6(%x:%x:%x:%x:%x:%x:%x:%x,%x:%x:%x:%x:%x:%x:%x:%x,%u,%u,%x,%x)",
+ (unsigned) ipv6->local_ip_address[0],
+ (unsigned) ipv6->local_ip_address[1],
+ (unsigned) ipv6->local_ip_address[2],
+ (unsigned) ipv6->local_ip_address[3],
+ (unsigned) ipv6->local_ip_address[4],
+ (unsigned) ipv6->local_ip_address[5],
+ (unsigned) ipv6->local_ip_address[6],
+ (unsigned) ipv6->local_ip_address[7],
+ (unsigned) ipv6->remote_ip_address[0],
+ (unsigned) ipv6->remote_ip_address[1],
+ (unsigned) ipv6->remote_ip_address[2],
+ (unsigned) ipv6->remote_ip_address[3],
+ (unsigned) ipv6->remote_ip_address[4],
+ (unsigned) ipv6->remote_ip_address[5],
+ (unsigned) ipv6->remote_ip_address[6],
+ (unsigned) ipv6->remote_ip_address[7],
+ (unsigned) ipv6->local_port,
+ (unsigned) ipv6->remote_port,
+ (unsigned) ipv6->protocol,
+ (unsigned) ipv6->static_ip_address);
+ }
+ break;
+ case GRUB_EFI_INFINIBAND_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_infiniband_device_path_t *ib
+ = (grub_efi_infiniband_device_path_t *) dp;
+ grub_printf ("/InfiniBand(%x,%llx,%llx,%llx)",
+ (unsigned) ib->port_gid[0], /* XXX */
+ (unsigned long long) ib->remote_id,
+ (unsigned long long) ib->target_port_id,
+ (unsigned long long) ib->device_id);
+ }
+ break;
+ case GRUB_EFI_UART_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_uart_device_path_t *uart
+ = (grub_efi_uart_device_path_t *) dp;
+ grub_printf ("/UART(%llu,%u,%x,%x)",
+ (unsigned long long) uart->baud_rate,
+ uart->data_bits,
+ uart->parity,
+ uart->stop_bits);
+ }
+ break;
+ case GRUB_EFI_SATA_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_sata_device_path_t *sata;
+ sata = (grub_efi_sata_device_path_t *) dp;
+ grub_printf ("/Sata(%x,%x,%x)",
+ sata->hba_port,
+ sata->multiplier_port,
+ sata->lun);
+ }
+ break;
+
+ case GRUB_EFI_VENDOR_MESSAGING_DEVICE_PATH_SUBTYPE:
+ dump_vendor_path ("Messaging",
+ (grub_efi_vendor_device_path_t *) dp);
+ break;
+ default:
+ grub_printf ("/UnknownMessaging(%x)", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ case GRUB_EFI_MEDIA_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_hard_drive_device_path_t *hd = (grub_efi_hard_drive_device_path_t *) dp;
+ grub_printf ("/HD(%u,%llx,%llx,%02x%02x%02x%02x%02x%02x%02x%02x,%x,%x)",
+ hd->partition_number,
+ (unsigned long long) hd->partition_start,
+ (unsigned long long) hd->partition_size,
+ (unsigned) hd->partition_signature[0],
+ (unsigned) hd->partition_signature[1],
+ (unsigned) hd->partition_signature[2],
+ (unsigned) hd->partition_signature[3],
+ (unsigned) hd->partition_signature[4],
+ (unsigned) hd->partition_signature[5],
+ (unsigned) hd->partition_signature[6],
+ (unsigned) hd->partition_signature[7],
+ (unsigned) hd->partmap_type,
+ (unsigned) hd->signature_type);
+ }
+ break;
+ case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_cdrom_device_path_t *cd
+ = (grub_efi_cdrom_device_path_t *) dp;
+ grub_printf ("/CD(%u,%llx,%llx)",
+ cd->boot_entry,
+ (unsigned long long) cd->partition_start,
+ (unsigned long long) cd->partition_size);
+ }
+ break;
+ case GRUB_EFI_VENDOR_MEDIA_DEVICE_PATH_SUBTYPE:
+ dump_vendor_path ("Media",
+ (grub_efi_vendor_device_path_t *) dp);
+ break;
+ case GRUB_EFI_FILE_PATH_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_file_path_device_path_t *fp;
+ grub_uint8_t *buf;
+ fp = (grub_efi_file_path_device_path_t *) dp;
+ buf = grub_malloc ((len - 4) * 2 + 1);
+ if (buf)
+ {
+ grub_efi_char16_t *dup_name = grub_malloc (len - 4);
+ if (!dup_name)
+ {
+ grub_errno = GRUB_ERR_NONE;
+ grub_printf ("/File((null))");
+ grub_free (buf);
+ break;
+ }
+ *grub_utf16_to_utf8 (buf, grub_memcpy (dup_name, fp->path_name, len - 4),
+ (len - 4) / sizeof (grub_efi_char16_t))
+ = '\0';
+ grub_free (dup_name);
+ }
+ else
+ grub_errno = GRUB_ERR_NONE;
+ grub_printf ("/File(%s)", buf);
+ grub_free (buf);
+ }
+ break;
+ case GRUB_EFI_PROTOCOL_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_protocol_device_path_t *proto
+ = (grub_efi_protocol_device_path_t *) dp;
+ grub_printf ("/Protocol(%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x)",
+ (unsigned) proto->guid.data1,
+ (unsigned) proto->guid.data2,
+ (unsigned) proto->guid.data3,
+ (unsigned) proto->guid.data4[0],
+ (unsigned) proto->guid.data4[1],
+ (unsigned) proto->guid.data4[2],
+ (unsigned) proto->guid.data4[3],
+ (unsigned) proto->guid.data4[4],
+ (unsigned) proto->guid.data4[5],
+ (unsigned) proto->guid.data4[6],
+ (unsigned) proto->guid.data4[7]);
+ }
+ break;
+ default:
+ grub_printf ("/UnknownMedia(%x)", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ case GRUB_EFI_BIOS_DEVICE_PATH_TYPE:
+ switch (subtype)
+ {
+ case GRUB_EFI_BIOS_DEVICE_PATH_SUBTYPE:
+ {
+ grub_efi_bios_device_path_t *bios
+ = (grub_efi_bios_device_path_t *) dp;
+ grub_printf ("/BIOS(%x,%x,%s)",
+ (unsigned) bios->device_type,
+ (unsigned) bios->status_flags,
+ (char *) (dp + 1));
+ }
+ break;
+ default:
+ grub_printf ("/UnknownBIOS(%x)", (unsigned) subtype);
+ break;
+ }
+ break;
+
+ default:
+ grub_printf ("/UnknownType(%x,%x)\n",
+ (unsigned) type,
+ (unsigned) subtype);
+ return;
+ break;
+ }
+
+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp))
+ break;
+
+ dp = (grub_efi_device_path_t *) ((char *) dp + len);
+ }
+}
+
+/* Compare device paths. */
+int
+grub_efi_compare_device_paths (const grub_efi_device_path_t *dp1,
+ const grub_efi_device_path_t *dp2)
+{
+ if (! dp1 || ! dp2)
+ /* Return non-zero. */
+ return 1;
+
+ while (1)
+ {
+ grub_efi_uint8_t type1, type2;
+ grub_efi_uint8_t subtype1, subtype2;
+ grub_efi_uint16_t len1, len2;
+ int ret;
+
+ type1 = GRUB_EFI_DEVICE_PATH_TYPE (dp1);
+ type2 = GRUB_EFI_DEVICE_PATH_TYPE (dp2);
+
+ if (type1 != type2)
+ return (int) type2 - (int) type1;
+
+ subtype1 = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp1);
+ subtype2 = GRUB_EFI_DEVICE_PATH_SUBTYPE (dp2);
+
+ if (subtype1 != subtype2)
+ return (int) subtype1 - (int) subtype2;
+
+ len1 = GRUB_EFI_DEVICE_PATH_LENGTH (dp1);
+ len2 = GRUB_EFI_DEVICE_PATH_LENGTH (dp2);
+
+ if (len1 != len2)
+ return (int) len1 - (int) len2;
+
+ ret = grub_memcmp (dp1, dp2, len1);
+ if (ret != 0)
+ return ret;
+
+ if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp1))
+ break;
+
+ dp1 = (grub_efi_device_path_t *) ((char *) dp1 + len1);
+ dp2 = (grub_efi_device_path_t *) ((char *) dp2 + len2);
+ }
+
+ return 0;
+}
+
+void * grub_efi_allocate_iso_buf(grub_uint64_t size)
+{
+ grub_efi_boot_services_t *b;
+ grub_efi_status_t status;
+ grub_efi_physical_address_t address = 0;
+ grub_efi_uintn_t pages = GRUB_EFI_BYTES_TO_PAGES(size);
+
+ b = grub_efi_system_table->boot_services;
+ status = efi_call_4 (b->allocate_pages, GRUB_EFI_ALLOCATE_ANY_PAGES, GRUB_EFI_RUNTIME_SERVICES_DATA, pages, &address);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ return NULL;
+ }
+
+ return (void *)(unsigned long)address;
+}
projects / Ventoy.git / commitdiff