X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=cmd%2Fbootefi.c;h=65462723485a4d864d3dd5e11d0de9b3bf6156e8;hb=b321c44ac9e2569fcc07def3e150fcfe4554a1b0;hp=e0a657323fba8a89b74e9bfb9fc9147facd00c4d;hpb=7aca68ca06b8a96cb71f690e24f990281e402be8;p=u-boot diff --git a/cmd/bootefi.c b/cmd/bootefi.c index e0a657323f..6546272348 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -6,13 +6,15 @@ * SPDX-License-Identifier: GPL-2.0+ */ +#include #include #include #include #include +#include #include -#include -#include +#include +#include #include #include #include @@ -30,6 +32,9 @@ static void efi_init_obj_list(void) { efi_obj_list_initalized = 1; + /* Initialize EFI driver uclass */ + efi_driver_init(); + efi_console_register(); #ifdef CONFIG_PARTITIONS efi_disk_register(); @@ -37,18 +42,45 @@ static void efi_init_obj_list(void) #if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO) efi_gop_register(); #endif -#ifdef CONFIG_NET +#ifdef CONFIG_CMD_NET efi_net_register(); #endif #ifdef CONFIG_GENERATE_SMBIOS_TABLE efi_smbios_register(); #endif + efi_watchdog_register(); /* Initialize EFI runtime services */ efi_reset_system_init(); efi_get_time_init(); } +/* + * Set the load options of an image from an environment variable. + * + * @loaded_image_info: the image + * @env_var: name of the environment variable + */ +static void set_load_options(struct efi_loaded_image *loaded_image_info, + const char *env_var) +{ + size_t size; + const char *env = env_get(env_var); + + loaded_image_info->load_options = NULL; + loaded_image_info->load_options_size = 0; + if (!env) + return; + size = strlen(env) + 1; + loaded_image_info->load_options = calloc(size, sizeof(u16)); + if (!loaded_image_info->load_options) { + printf("ERROR: Out of memory\n"); + return; + } + utf8_to_utf16(loaded_image_info->load_options, (u8 *)env, size); + loaded_image_info->load_options_size = size * 2; +} + static void *copy_fdt(void *fdt) { u64 fdt_size = fdt_totalsize(fdt); @@ -74,11 +106,11 @@ static void *copy_fdt(void *fdt) /* Safe fdt location is at 128MB */ new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size; - if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages, + if (efi_allocate_pages(1, EFI_RUNTIME_SERVICES_DATA, fdt_pages, &new_fdt_addr) != EFI_SUCCESS) { /* If we can't put it there, put it somewhere */ new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size); - if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages, + if (efi_allocate_pages(1, EFI_RUNTIME_SERVICES_DATA, fdt_pages, &new_fdt_addr) != EFI_SUCCESS) { printf("ERROR: Failed to reserve space for FDT\n"); return NULL; @@ -92,9 +124,10 @@ static void *copy_fdt(void *fdt) return new_fdt; } -static ulong efi_do_enter(void *image_handle, - struct efi_system_table *st, - asmlinkage ulong (*entry)(void *image_handle, +static efi_status_t efi_do_enter( + efi_handle_t image_handle, struct efi_system_table *st, + EFIAPI efi_status_t (*entry)( + efi_handle_t image_handle, struct efi_system_table *st)) { efi_status_t ret = EFI_LOAD_ERROR; @@ -106,9 +139,9 @@ static ulong efi_do_enter(void *image_handle, } #ifdef CONFIG_ARM64 -static unsigned long efi_run_in_el2(asmlinkage ulong (*entry)( - void *image_handle, struct efi_system_table *st), - void *image_handle, struct efi_system_table *st) +static efi_status_t efi_run_in_el2(EFIAPI efi_status_t (*entry)( + efi_handle_t image_handle, struct efi_system_table *st), + efi_handle_t image_handle, struct efi_system_table *st) { /* Enable caches again */ dcache_enable(); @@ -121,20 +154,35 @@ static unsigned long efi_run_in_el2(asmlinkage ulong (*entry)( * Load an EFI payload into a newly allocated piece of memory, register all * EFI objects it would want to access and jump to it. */ -static unsigned long do_bootefi_exec(void *efi, void *fdt, - struct efi_device_path *device_path, - struct efi_device_path *image_path) +static efi_status_t do_bootefi_exec(void *efi, void *fdt, + struct efi_device_path *device_path, + struct efi_device_path *image_path) { struct efi_loaded_image loaded_image_info = {}; struct efi_object loaded_image_info_obj = {}; + struct efi_device_path *memdp = NULL; ulong ret; - ulong (*entry)(void *image_handle, struct efi_system_table *st) - asmlinkage; + EFIAPI efi_status_t (*entry)(efi_handle_t image_handle, + struct efi_system_table *st); ulong fdt_pages, fdt_size, fdt_start, fdt_end; const efi_guid_t fdt_guid = EFI_FDT_GUID; bootm_headers_t img = { 0 }; + /* + * Special case for efi payload not loaded from disk, such as + * 'bootefi hello' or for example payload loaded directly into + * memory via jtag/etc: + */ + 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(0, 0, 0); + device_path = image_path = memdp; + } else { + assert(device_path && image_path); + } + /* Initialize and populate EFI object list */ if (!efi_obj_list_initalized) efi_init_obj_list(); @@ -174,6 +222,8 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt, efi_install_configuration_table(&fdt_guid, NULL); } + /* Transfer environment variable bootargs as load options */ + set_load_options(&loaded_image_info, "bootargs"); /* Load the EFI payload */ entry = efi_load_pe(efi, &loaded_image_info); if (!entry) { @@ -181,6 +231,14 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt, goto exit; } + 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"); @@ -190,7 +248,6 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt, if (setjmp(&loaded_image_info.exit_jmp)) { ret = loaded_image_info.exit_status; - EFI_EXIT(ret); goto exit; } @@ -201,7 +258,8 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt, dcache_disable(); /* flush cache before switch to EL2 */ /* Move into EL2 and keep running there */ - armv8_switch_to_el2((ulong)entry, (ulong)&loaded_image_info, + armv8_switch_to_el2((ulong)entry, + (ulong)&loaded_image_info_obj.handle, (ulong)&systab, 0, (ulong)efi_run_in_el2, ES_TO_AARCH64); @@ -210,7 +268,7 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt, } #endif - ret = efi_do_enter(&loaded_image_info, &systab, entry); + ret = efi_do_enter(loaded_image_info_obj.handle, &systab, entry); exit: /* image has returned, loaded-image obj goes *poof*: */ @@ -255,7 +313,7 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *saddr, *sfdt; unsigned long addr, fdt_addr = 0; - unsigned long r; + efi_status_t r; if (argc < 2) return CMD_RET_USAGE; @@ -276,6 +334,12 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) struct efi_loaded_image loaded_image_info = {}; struct efi_object loaded_image_info_obj = {}; + /* Construct a dummy device path. */ + bootefi_device_path = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE, + (uintptr_t)&efi_selftest, + (uintptr_t)&efi_selftest); + bootefi_image_path = efi_dp_from_file(NULL, 0, "\\selftest"); + efi_setup_loaded_image(&loaded_image_info, &loaded_image_info_obj, bootefi_device_path, bootefi_image_path); @@ -288,7 +352,14 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /* Initialize and populate EFI object list */ if (!efi_obj_list_initalized) efi_init_obj_list(); - return efi_selftest(&loaded_image_info, &systab); + /* Transfer environment variable efi_selftest as load options */ + set_load_options(&loaded_image_info, "efi_selftest"); + /* Execute the test */ + r = efi_selftest(loaded_image_info_obj.handle, &systab); + efi_restore_gd(); + free(loaded_image_info.load_options); + list_del(&loaded_image_info_obj.link); + return r != EFI_SUCCESS; } else #endif if (!strcmp(argv[1], "bootmgr")) { @@ -302,6 +373,9 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) saddr = argv[1]; addr = simple_strtoul(saddr, NULL, 16); + /* Check that a numeric value was passed */ + if (!addr && *saddr != '0') + return CMD_RET_USAGE; if (argc > 2) { sfdt = argv[2]; @@ -334,8 +408,10 @@ static char bootefi_help_text[] = #ifdef CONFIG_CMD_BOOTEFI_SELFTEST "bootefi selftest\n" " - boot an EFI selftest application stored within U-Boot\n" + " Use environment variable efi_selftest to select a single test.\n" + " Use 'setenv efi_selftest list' to enumerate all tests.\n" #endif - "bootmgr [fdt addr]\n" + "bootefi bootmgr [fdt addr]\n" " - load and boot EFI payload based on BootOrder/BootXXXX variables.\n" "\n" " If specified, the device tree located at gets\n" @@ -368,11 +444,13 @@ void efi_set_bootdev(const char *dev, const char *devnr, const char *path) int part; desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10)); + if (!desc) + return; part = parse_partnum(devnr); bootefi_device_path = efi_dp_from_part(desc, part); } else { -#ifdef CONFIG_NET +#ifdef CONFIG_CMD_NET bootefi_device_path = efi_dp_from_eth(); #endif }