efi_root, NULL));
}
+#if !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE)
+
/**
* copy_fdt() - Copy the device tree to a new location available to EFI
*
}
}
-static efi_status_t efi_install_fdt(ulong fdt_addr)
+/**
+ * get_config_table() - get configuration table
+ *
+ * @guid: GUID of the configuration table
+ * Return: pointer to configuration table or NULL
+ */
+static void *get_config_table(const efi_guid_t *guid)
{
+ size_t i;
+
+ for (i = 0; i < systab.nr_tables; i++) {
+ if (!guidcmp(guid, &systab.tables[i].guid))
+ return systab.tables[i].table;
+ }
+ return NULL;
+}
+
+#endif /* !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE) */
+
+/**
+ * efi_install_fdt() - install fdt passed by a command argument
+ * @fdt_opt: pointer to argument
+ * Return: status code
+ *
+ * If specified, fdt will be installed as configuration table,
+ * otherwise no fdt will be passed.
+ */
+static efi_status_t efi_install_fdt(const char *fdt_opt)
+{
+ /*
+ * The EBBR spec requires that we have either an FDT or an ACPI table
+ * but not both.
+ */
+#if CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE)
+ if (fdt_opt) {
+ printf("ERROR: can't have ACPI table and device tree.\n");
+ return EFI_LOAD_ERROR;
+ }
+#else
+ unsigned long fdt_addr;
+ void *fdt;
bootm_headers_t img = { 0 };
efi_status_t ret;
- void *fdt;
+ if (fdt_opt) {
+ fdt_addr = simple_strtoul(fdt_opt, NULL, 16);
+ if (!fdt_addr)
+ return EFI_INVALID_PARAMETER;
+ } else {
+ /* Look for device tree that is already installed */
+ if (get_config_table(&efi_guid_fdt))
+ return EFI_SUCCESS;
+ /* Use our own device tree as default */
+ fdt_opt = env_get("fdtcontroladdr");
+ if (!fdt_opt) {
+ printf("ERROR: need device tree\n");
+ return EFI_NOT_FOUND;
+ }
+ fdt_addr = simple_strtoul(fdt_opt, NULL, 16);
+ if (!fdt_addr) {
+ printf("ERROR: invalid $fdtcontroladdr\n");
+ return EFI_LOAD_ERROR;
+ }
+ }
+
+ /* Install device tree */
fdt = map_sysmem(fdt_addr, 0);
if (fdt_check_header(fdt)) {
printf("ERROR: invalid device tree\n");
- return EFI_INVALID_PARAMETER;
+ return EFI_LOAD_ERROR;
}
- /* Create memory reservation as indicated by the device tree */
+ /* Create memory reservations as indicated by the device tree */
efi_carve_out_dt_rsv(fdt);
- /* Prepare fdt for payload */
+ /* Prepare device tree for payload */
ret = copy_fdt(&fdt);
- if (ret)
- return ret;
+ if (ret) {
+ printf("ERROR: out of memory\n");
+ return EFI_OUT_OF_RESOURCES;
+ }
if (image_setup_libfdt(&img, fdt, 0, NULL)) {
printf("ERROR: failed to process device tree\n");
return EFI_LOAD_ERROR;
}
- /* Link to it in the efi tables */
+ /* Install device tree as UEFI table */
ret = efi_install_configuration_table(&efi_guid_fdt, fdt);
- if (ret != EFI_SUCCESS)
- return EFI_OUT_OF_RESOURCES;
+ if (ret != EFI_SUCCESS) {
+ printf("ERROR: failed to install device tree\n");
+ return ret;
+ }
+#endif /* GENERATE_ACPI_TABLE */
- return ret;
+ return EFI_SUCCESS;
}
-static efi_status_t bootefi_run_prepare(const char *load_options_path,
- struct efi_device_path *device_path,
- struct efi_device_path *image_path,
- struct efi_loaded_image_obj **image_objp,
- struct efi_loaded_image **loaded_image_infop)
+/**
+ * do_bootefi_exec() - execute EFI binary
+ *
+ * @handle: handle of loaded image
+ * Return: status code
+ *
+ * Load the EFI binary into a newly assigned memory unwinding the relocation
+ * information, install the loaded image protocol, and call the binary.
+ */
+static efi_status_t do_bootefi_exec(efi_handle_t handle)
{
efi_status_t ret;
- ret = efi_setup_loaded_image(device_path, image_path, image_objp,
- loaded_image_infop);
+ /* Transfer environment variable as load options */
+ ret = set_load_options(handle, "bootargs");
if (ret != EFI_SUCCESS)
return ret;
- /* Transfer environment variable as load options */
- return set_load_options((efi_handle_t)*image_objp, load_options_path);
+ /* we don't support much: */
+ env_set("efi_8be4df61-93ca-11d2-aa0d-00e098032b8c_OsIndicationsSupported",
+ "{ro,boot}(blob)0000000000000000");
+
+ /* Call our payload! */
+ ret = EFI_CALL(efi_start_image(handle, NULL, NULL));
+
+ efi_restore_gd();
+
+ /*
+ * FIXME: Who is responsible for
+ * free(loaded_image_info->load_options);
+ * Once efi_exit() is implemented correctly,
+ * handle itself doesn't exist here.
+ */
+
+ return ret;
}
/**
- * bootefi_run_finish() - finish up after running an EFI test
+ * do_efibootmgr() - execute EFI Boot Manager
*
- * @loaded_image_info: Pointer to a struct which holds the loaded image info
- * @image_objj: Pointer to a struct which holds the loaded image object
+ * @fdt_opt: string of fdt start address
+ * Return: status code
+ *
+ * Execute EFI Boot Manager
*/
-static void bootefi_run_finish(struct efi_loaded_image_obj *image_obj,
- struct efi_loaded_image *loaded_image_info)
+static int do_efibootmgr(const char *fdt_opt)
{
- efi_restore_gd();
- free(loaded_image_info->load_options);
- efi_delete_handle(&image_obj->header);
+ efi_handle_t handle;
+ efi_status_t ret;
+
+ /* Allow unaligned memory access */
+ allow_unaligned();
+
+ switch_to_non_secure_mode();
+
+ /* Initialize EFI drivers */
+ ret = efi_init_obj_list();
+ if (ret != EFI_SUCCESS) {
+ printf("Error: Cannot initialize UEFI sub-system, r = %lu\n",
+ ret & ~EFI_ERROR_MASK);
+ return CMD_RET_FAILURE;
+ }
+
+ ret = efi_install_fdt(fdt_opt);
+ if (ret == EFI_INVALID_PARAMETER)
+ return CMD_RET_USAGE;
+ else if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
+
+ ret = efi_bootmgr_load(&handle);
+ if (ret != EFI_SUCCESS) {
+ printf("EFI boot manager: Cannot load any image\n");
+ return CMD_RET_FAILURE;
+ }
+
+ ret = do_bootefi_exec(handle);
+ printf("## Application terminated, r = %lu\n", ret & ~EFI_ERROR_MASK);
+
+ if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
}
-/**
- * do_bootefi_exec() - execute EFI binary
+/*
+ * do_bootefi_image() - execute EFI binary from command line
*
- * @efi: address of the binary
- * @device_path: path of the device from which the binary was loaded
- * @image_path: device path of the binary
- * Return: status code
+ * @image_opt: string of image start address
+ * @fdt_opt: string of fdt start address
+ * Return: status code
*
- * Load the EFI binary into a newly assigned memory unwinding the relocation
- * information, install the loaded image protocol, and call the binary.
+ * Set up memory image for the binary to be loaded, prepare
+ * device path and then call do_bootefi_exec() to execute it.
*/
-static efi_status_t do_bootefi_exec(void *efi,
- struct efi_device_path *device_path,
- struct efi_device_path *image_path)
+static int do_bootefi_image(const char *image_opt, const char *fdt_opt)
{
- efi_handle_t mem_handle = NULL;
- struct efi_device_path *memdp = NULL;
+ void *image_buf;
+ struct efi_device_path *device_path, *image_path;
+ struct efi_device_path *file_path = NULL;
+ unsigned long addr, size;
+ const char *size_str;
+ efi_handle_t mem_handle = NULL, handle;
efi_status_t ret;
- struct efi_loaded_image_obj *image_obj = NULL;
- struct efi_loaded_image *loaded_image_info = NULL;
- /*
- * Special case for efi payload not loaded from disk, such as
- * 'bootefi hello' or for example payload loaded directly into
- * memory via JTAG, etc:
- */
+ /* Allow unaligned memory access */
+ allow_unaligned();
+
+ switch_to_non_secure_mode();
+
+ /* Initialize EFI drivers */
+ ret = efi_init_obj_list();
+ if (ret != EFI_SUCCESS) {
+ printf("Error: Cannot initialize UEFI sub-system, r = %lu\n",
+ ret & ~EFI_ERROR_MASK);
+ return CMD_RET_FAILURE;
+ }
+
+ ret = efi_install_fdt(fdt_opt);
+ if (ret == EFI_INVALID_PARAMETER)
+ return CMD_RET_USAGE;
+ else if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
+
+#ifdef CONFIG_CMD_BOOTEFI_HELLO
+ if (!strcmp(image_opt, "hello")) {
+ char *saddr;
+
+ saddr = env_get("loadaddr");
+ size = __efi_helloworld_end - __efi_helloworld_begin;
+
+ if (saddr)
+ addr = simple_strtoul(saddr, NULL, 16);
+ else
+ addr = CONFIG_SYS_LOAD_ADDR;
+
+ image_buf = map_sysmem(addr, size);
+ memcpy(image_buf, __efi_helloworld_begin, size);
+
+ device_path = NULL;
+ image_path = NULL;
+ } else
+#endif
+ {
+ size_str = env_get("filesize");
+ if (size_str)
+ size = simple_strtoul(size_str, NULL, 16);
+ else
+ size = 0;
+
+ addr = simple_strtoul(image_opt, NULL, 16);
+ /* Check that a numeric value was passed */
+ if (!addr && *image_opt != '0')
+ return CMD_RET_USAGE;
+
+ image_buf = map_sysmem(addr, size);
+
+ device_path = bootefi_device_path;
+ image_path = bootefi_image_path;
+ }
+
if (!device_path && !image_path) {
- printf("WARNING: using memory device/image path, this may confuse some payloads!\n");
- /* actual addresses filled in after efi_load_pe() */
- memdp = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE, 0, 0);
- device_path = image_path = memdp;
/*
- * Grub expects that the device path of the loaded image is
- * installed on a handle.
+ * Special case for efi payload not loaded from disk,
+ * such as 'bootefi hello' or for example payload
+ * loaded directly into memory via JTAG, etc:
+ */
+ file_path = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE,
+ (uintptr_t)image_buf, size);
+ /*
+ * Make sure that device for device_path exist
+ * in load_image(). Otherwise, shell and grub will fail.
*/
ret = efi_create_handle(&mem_handle);
if (ret != EFI_SUCCESS)
- return ret; /* TODO: leaks device_path */
+ goto out;
+
ret = efi_add_protocol(mem_handle, &efi_guid_device_path,
- device_path);
+ file_path);
if (ret != EFI_SUCCESS)
- goto err_add_protocol;
+ goto out;
} else {
assert(device_path && image_path);
+ file_path = efi_dp_append(device_path, image_path);
}
- ret = bootefi_run_prepare("bootargs", device_path, image_path,
- &image_obj, &loaded_image_info);
- if (ret)
- goto err_prepare;
-
- /* Load the EFI payload */
- ret = efi_load_pe(image_obj, efi, loaded_image_info);
+ ret = EFI_CALL(efi_load_image(false, efi_root,
+ file_path, image_buf, size, &handle));
if (ret != EFI_SUCCESS)
- goto err_prepare;
-
- if (memdp) {
- struct efi_device_path_memory *mdp = (void *)memdp;
- mdp->memory_type = loaded_image_info->image_code_type;
- mdp->start_address = (uintptr_t)loaded_image_info->image_base;
- mdp->end_address = mdp->start_address +
- loaded_image_info->image_size;
- }
-
- /* we don't support much: */
- env_set("efi_8be4df61-93ca-11d2-aa0d-00e098032b8c_OsIndicationsSupported",
- "{ro,boot}(blob)0000000000000000");
-
- /* Call our payload! */
- debug("%s: Jumping to 0x%p\n", __func__, image_obj->entry);
- ret = EFI_CALL(efi_start_image(&image_obj->header, NULL, NULL));
+ goto out;
-err_prepare:
- /* image has returned, loaded-image obj goes *poof*: */
- bootefi_run_finish(image_obj, loaded_image_info);
+ ret = do_bootefi_exec(handle);
+ printf("## Application terminated, r = %lu\n", ret & ~EFI_ERROR_MASK);
-err_add_protocol:
+out:
if (mem_handle)
efi_delete_handle(mem_handle);
+ if (file_path)
+ efi_free_pool(file_path);
- return ret;
+ if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
}
#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
+static efi_status_t bootefi_run_prepare(const char *load_options_path,
+ struct efi_device_path *device_path,
+ struct efi_device_path *image_path,
+ struct efi_loaded_image_obj **image_objp,
+ struct efi_loaded_image **loaded_image_infop)
+{
+ efi_status_t ret;
+
+ ret = efi_setup_loaded_image(device_path, image_path, image_objp,
+ loaded_image_infop);
+ if (ret != EFI_SUCCESS)
+ return ret;
+
+ /* Transfer environment variable as load options */
+ return set_load_options((efi_handle_t)*image_objp, load_options_path);
+}
+
/**
* bootefi_test_prepare() - prepare to run an EFI test
*
return ret;
}
-#endif /* CONFIG_CMD_BOOTEFI_SELFTEST */
-
-static int do_bootefi_bootmgr_exec(void)
+/**
+ * bootefi_run_finish() - finish up after running an EFI test
+ *
+ * @loaded_image_info: Pointer to a struct which holds the loaded image info
+ * @image_obj: Pointer to a struct which holds the loaded image object
+ */
+static void bootefi_run_finish(struct efi_loaded_image_obj *image_obj,
+ struct efi_loaded_image *loaded_image_info)
{
- struct efi_device_path *device_path, *file_path;
- void *addr;
- efi_status_t r;
-
- addr = efi_bootmgr_load(&device_path, &file_path);
- if (!addr)
- return 1;
-
- printf("## Starting EFI application at %p ...\n", addr);
- r = do_bootefi_exec(addr, device_path, file_path);
- printf("## Application terminated, r = %lu\n",
- r & ~EFI_ERROR_MASK);
-
- if (r != EFI_SUCCESS)
- return 1;
-
- return 0;
+ efi_restore_gd();
+ free(loaded_image_info->load_options);
+ efi_delete_handle(&image_obj->header);
}
-/* Interpreter command to boot an arbitrary EFI image from memory */
-static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+/**
+ * do_efi_selftest() - execute EFI Selftest
+ *
+ * @fdt_opt: string of fdt start address
+ * Return: status code
+ *
+ * Execute EFI Selftest
+ */
+static int do_efi_selftest(const char *fdt_opt)
{
- unsigned long addr;
- char *saddr;
- efi_status_t r;
- unsigned long fdt_addr;
+ struct efi_loaded_image_obj *image_obj;
+ struct efi_loaded_image *loaded_image_info;
+ efi_status_t ret;
/* Allow unaligned memory access */
allow_unaligned();
switch_to_non_secure_mode();
/* Initialize EFI drivers */
- r = efi_init_obj_list();
- if (r != EFI_SUCCESS) {
- printf("Error: Cannot set up EFI drivers, r = %lu\n",
- r & ~EFI_ERROR_MASK);
+ ret = efi_init_obj_list();
+ if (ret != EFI_SUCCESS) {
+ printf("Error: Cannot initialize UEFI sub-system, r = %lu\n",
+ ret & ~EFI_ERROR_MASK);
return CMD_RET_FAILURE;
}
- if (argc < 2)
+ ret = efi_install_fdt(fdt_opt);
+ if (ret == EFI_INVALID_PARAMETER)
return CMD_RET_USAGE;
+ else if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
- if (argc > 2) {
- fdt_addr = simple_strtoul(argv[2], NULL, 16);
- if (!fdt_addr && *argv[2] != '0')
- return CMD_RET_USAGE;
- /* Install device tree */
- r = efi_install_fdt(fdt_addr);
- if (r != EFI_SUCCESS) {
- printf("ERROR: failed to install device tree\n");
- return CMD_RET_FAILURE;
- }
- } else {
- /* Remove device tree. EFI_NOT_FOUND can be ignored here */
- efi_install_configuration_table(&efi_guid_fdt, NULL);
- printf("WARNING: booting without device tree\n");
- }
-#ifdef CONFIG_CMD_BOOTEFI_HELLO
- if (!strcmp(argv[1], "hello")) {
- ulong size = __efi_helloworld_end - __efi_helloworld_begin;
+ ret = bootefi_test_prepare(&image_obj, &loaded_image_info,
+ "\\selftest", "efi_selftest");
+ if (ret != EFI_SUCCESS)
+ return CMD_RET_FAILURE;
- saddr = env_get("loadaddr");
- if (saddr)
- addr = simple_strtoul(saddr, NULL, 16);
- else
- addr = CONFIG_SYS_LOAD_ADDR;
- memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size);
- } else
-#endif
-#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
- if (!strcmp(argv[1], "selftest")) {
- struct efi_loaded_image_obj *image_obj;
- struct efi_loaded_image *loaded_image_info;
-
- r = bootefi_test_prepare(&image_obj, &loaded_image_info,
- "\\selftest", "efi_selftest");
- if (r != EFI_SUCCESS)
- return CMD_RET_FAILURE;
-
- /* Execute the test */
- r = EFI_CALL(efi_selftest(&image_obj->header, &systab));
- bootefi_run_finish(image_obj, loaded_image_info);
- return r != EFI_SUCCESS;
- } else
-#endif
- if (!strcmp(argv[1], "bootmgr")) {
- return do_bootefi_bootmgr_exec();
- } else {
- saddr = argv[1];
+ /* Execute the test */
+ ret = EFI_CALL(efi_selftest(&image_obj->header, &systab));
+ bootefi_run_finish(image_obj, loaded_image_info);
- addr = simple_strtoul(saddr, NULL, 16);
- /* Check that a numeric value was passed */
- if (!addr && *saddr != '0')
- return CMD_RET_USAGE;
+ return ret != EFI_SUCCESS;
+}
+#endif /* CONFIG_CMD_BOOTEFI_SELFTEST */
- }
+/* Interpreter command to boot an arbitrary EFI image from memory */
+static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc < 2)
+ return CMD_RET_USAGE;
- printf("## Starting EFI application at %08lx ...\n", addr);
- r = do_bootefi_exec(map_sysmem(addr, 0), bootefi_device_path,
- bootefi_image_path);
- printf("## Application terminated, r = %lu\n",
- r & ~EFI_ERROR_MASK);
+ if (!strcmp(argv[1], "bootmgr"))
+ return do_efibootmgr(argc > 2 ? argv[2] : NULL);
+#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
+ else if (!strcmp(argv[1], "selftest"))
+ return do_efi_selftest(argc > 2 ? argv[2] : NULL);
+#endif
- if (r != EFI_SUCCESS)
- return 1;
- else
- return 0;
+ return do_bootefi_image(argv[1], argc > 2 ? argv[2] : NULL);
}
#ifdef CONFIG_SYS_LONGHELP
" Use environment variable efi_selftest to select a single test.\n"
" Use 'setenv efi_selftest list' to enumerate all tests.\n"
#endif
- "bootefi bootmgr [fdt addr]\n"
+ "bootefi bootmgr [fdt address]\n"
" - load and boot EFI payload based on BootOrder/BootXXXX variables.\n"
"\n"
" If specified, the device tree located at <fdt address> gets\n"
ret = efi_dp_from_name(dev, devnr, path, &device, &image);
if (ret == EFI_SUCCESS) {
bootefi_device_path = device;
+ if (image) {
+ /* FIXME: image should not contain device */
+ struct efi_device_path *image_tmp = image;
+
+ efi_dp_split_file_path(image, &device, &image);
+ efi_free_pool(image_tmp);
+ }
bootefi_image_path = image;
} else {
bootefi_device_path = NULL;
projects / oweals / u-boot.git / blobdiff