Tom Rini | 70df9d6 | 2018-05-07 17:02:21 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 2 | /* |
| 3 | * EFI application loader |
| 4 | * |
| 5 | * Copyright (c) 2016 Alexander Graf |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 6 | */ |
| 7 | |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 8 | #include <charset.h> |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 9 | #include <common.h> |
| 10 | #include <command.h> |
Simon Glass | 11c89f3 | 2017-05-17 17:18:03 -0600 | [diff] [blame] | 11 | #include <dm.h> |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 12 | #include <efi_loader.h> |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 13 | #include <efi_selftest.h> |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 14 | #include <errno.h> |
Masahiro Yamada | 75f82d0 | 2018-03-05 01:20:11 +0900 | [diff] [blame] | 15 | #include <linux/libfdt.h> |
| 16 | #include <linux/libfdt_env.h> |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 17 | #include <mapmem.h> |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 18 | #include <memalign.h> |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 19 | #include <asm/global_data.h> |
Simon Glass | c2194bf | 2016-09-25 15:27:32 -0600 | [diff] [blame] | 20 | #include <asm-generic/sections.h> |
Heinrich Schuchardt | 954e2b9 | 2018-04-03 21:59:32 +0200 | [diff] [blame] | 21 | #include <asm-generic/unaligned.h> |
Simon Glass | c2194bf | 2016-09-25 15:27:32 -0600 | [diff] [blame] | 22 | #include <linux/linkage.h> |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 23 | |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 24 | #ifdef CONFIG_ARMV7_NONSEC |
| 25 | #include <asm/armv7.h> |
| 26 | #include <asm/secure.h> |
| 27 | #endif |
| 28 | |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 29 | DECLARE_GLOBAL_DATA_PTR; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 30 | |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 31 | #define OBJ_LIST_NOT_INITIALIZED 1 |
| 32 | |
| 33 | static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 34 | |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 35 | static struct efi_device_path *bootefi_image_path; |
| 36 | static struct efi_device_path *bootefi_device_path; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 37 | |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 38 | /* Initialize and populate EFI object list */ |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 39 | efi_status_t efi_init_obj_list(void) |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 40 | { |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 41 | efi_status_t ret = EFI_SUCCESS; |
| 42 | |
Heinrich Schuchardt | d4b38f0 | 2018-03-03 15:28:58 +0100 | [diff] [blame] | 43 | /* Initialize once only */ |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 44 | if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED) |
| 45 | return efi_obj_list_initialized; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 46 | |
Heinrich Schuchardt | 15070db | 2018-06-28 12:45:31 +0200 | [diff] [blame] | 47 | /* Initialize system table */ |
| 48 | ret = efi_initialize_system_table(); |
| 49 | if (ret != EFI_SUCCESS) |
| 50 | goto out; |
| 51 | |
Heinrich Schuchardt | 11206f4 | 2018-01-21 19:29:30 +0100 | [diff] [blame] | 52 | /* Initialize EFI driver uclass */ |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 53 | ret = efi_driver_init(); |
| 54 | if (ret != EFI_SUCCESS) |
| 55 | goto out; |
Heinrich Schuchardt | 11206f4 | 2018-01-21 19:29:30 +0100 | [diff] [blame] | 56 | |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 57 | ret = efi_console_register(); |
| 58 | if (ret != EFI_SUCCESS) |
| 59 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 60 | #ifdef CONFIG_PARTITIONS |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 61 | ret = efi_disk_register(); |
| 62 | if (ret != EFI_SUCCESS) |
| 63 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 64 | #endif |
| 65 | #if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO) |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 66 | ret = efi_gop_register(); |
| 67 | if (ret != EFI_SUCCESS) |
| 68 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 69 | #endif |
Joe Hershberger | 5277a97 | 2018-04-13 15:26:39 -0500 | [diff] [blame] | 70 | #ifdef CONFIG_NET |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 71 | ret = efi_net_register(); |
| 72 | if (ret != EFI_SUCCESS) |
| 73 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 74 | #endif |
Bin Meng | 2cfbdae | 2018-06-27 20:38:03 -0700 | [diff] [blame] | 75 | #ifdef CONFIG_GENERATE_ACPI_TABLE |
| 76 | ret = efi_acpi_register(); |
| 77 | if (ret != EFI_SUCCESS) |
| 78 | goto out; |
| 79 | #endif |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 80 | #ifdef CONFIG_GENERATE_SMBIOS_TABLE |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 81 | ret = efi_smbios_register(); |
| 82 | if (ret != EFI_SUCCESS) |
| 83 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 84 | #endif |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 85 | ret = efi_watchdog_register(); |
| 86 | if (ret != EFI_SUCCESS) |
| 87 | goto out; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 88 | |
| 89 | /* Initialize EFI runtime services */ |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 90 | ret = efi_reset_system_init(); |
| 91 | if (ret != EFI_SUCCESS) |
| 92 | goto out; |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 93 | |
| 94 | out: |
| 95 | efi_obj_list_initialized = ret; |
| 96 | return ret; |
Heinrich Schuchardt | 5e9900f | 2017-07-19 19:37:22 +0200 | [diff] [blame] | 97 | } |
| 98 | |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 99 | /* |
Heinrich Schuchardt | 954e2b9 | 2018-04-03 21:59:32 +0200 | [diff] [blame] | 100 | * Allow unaligned memory access. |
| 101 | * |
| 102 | * This routine is overridden by architectures providing this feature. |
| 103 | */ |
| 104 | void __weak allow_unaligned(void) |
| 105 | { |
| 106 | } |
| 107 | |
| 108 | /* |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 109 | * Set the load options of an image from an environment variable. |
| 110 | * |
| 111 | * @loaded_image_info: the image |
| 112 | * @env_var: name of the environment variable |
| 113 | */ |
| 114 | static void set_load_options(struct efi_loaded_image *loaded_image_info, |
| 115 | const char *env_var) |
| 116 | { |
| 117 | size_t size; |
| 118 | const char *env = env_get(env_var); |
| 119 | |
| 120 | loaded_image_info->load_options = NULL; |
| 121 | loaded_image_info->load_options_size = 0; |
| 122 | if (!env) |
| 123 | return; |
| 124 | size = strlen(env) + 1; |
| 125 | loaded_image_info->load_options = calloc(size, sizeof(u16)); |
| 126 | if (!loaded_image_info->load_options) { |
| 127 | printf("ERROR: Out of memory\n"); |
| 128 | return; |
| 129 | } |
| 130 | utf8_to_utf16(loaded_image_info->load_options, (u8 *)env, size); |
| 131 | loaded_image_info->load_options_size = size * 2; |
| 132 | } |
| 133 | |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 134 | static void *copy_fdt(void *fdt) |
| 135 | { |
| 136 | u64 fdt_size = fdt_totalsize(fdt); |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 137 | unsigned long fdt_ram_start = -1L, fdt_pages; |
| 138 | u64 new_fdt_addr; |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 139 | void *new_fdt; |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 140 | int i; |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 141 | |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 142 | for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { |
| 143 | u64 ram_start = gd->bd->bi_dram[i].start; |
| 144 | u64 ram_size = gd->bd->bi_dram[i].size; |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 145 | |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 146 | if (!ram_size) |
| 147 | continue; |
| 148 | |
| 149 | if (ram_start < fdt_ram_start) |
| 150 | fdt_ram_start = ram_start; |
| 151 | } |
| 152 | |
Simon Glass | 56bbcc1 | 2018-06-18 08:08:25 -0600 | [diff] [blame] | 153 | /* |
| 154 | * Give us at least 4KB of breathing room in case the device tree needs |
| 155 | * to be expanded later. Round up to the nearest EFI page boundary. |
| 156 | */ |
| 157 | fdt_size += 4096; |
| 158 | fdt_size = ALIGN(fdt_size + EFI_PAGE_SIZE - 1, EFI_PAGE_SIZE); |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 159 | fdt_pages = fdt_size >> EFI_PAGE_SHIFT; |
| 160 | |
| 161 | /* Safe fdt location is at 128MB */ |
| 162 | new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size; |
Heinrich Schuchardt | 0f7186b | 2018-05-26 10:32:27 +0200 | [diff] [blame] | 163 | if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, |
| 164 | EFI_RUNTIME_SERVICES_DATA, fdt_pages, |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 165 | &new_fdt_addr) != EFI_SUCCESS) { |
| 166 | /* If we can't put it there, put it somewhere */ |
xypron.glpk@gmx.de | f6b9912 | 2017-08-11 21:19:25 +0200 | [diff] [blame] | 167 | new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size); |
Heinrich Schuchardt | 0f7186b | 2018-05-26 10:32:27 +0200 | [diff] [blame] | 168 | if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, |
| 169 | EFI_RUNTIME_SERVICES_DATA, fdt_pages, |
Alexander Graf | 9b9b716 | 2017-07-03 13:32:35 +0200 | [diff] [blame] | 170 | &new_fdt_addr) != EFI_SUCCESS) { |
| 171 | printf("ERROR: Failed to reserve space for FDT\n"); |
| 172 | return NULL; |
| 173 | } |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 174 | } |
Alexander Graf | 9b9b716 | 2017-07-03 13:32:35 +0200 | [diff] [blame] | 175 | |
Alexander Graf | fdbae01 | 2016-04-11 23:51:01 +0200 | [diff] [blame] | 176 | new_fdt = (void*)(ulong)new_fdt_addr; |
Alexander Graf | 2ff5cc3 | 2016-04-11 16:55:26 +0200 | [diff] [blame] | 177 | memcpy(new_fdt, fdt, fdt_totalsize(fdt)); |
| 178 | fdt_set_totalsize(new_fdt, fdt_size); |
| 179 | |
| 180 | return new_fdt; |
| 181 | } |
| 182 | |
Heinrich Schuchardt | 4e363a9 | 2017-10-18 18:13:08 +0200 | [diff] [blame] | 183 | static efi_status_t efi_do_enter( |
Heinrich Schuchardt | b7cb8b4 | 2018-01-11 08:16:09 +0100 | [diff] [blame] | 184 | efi_handle_t image_handle, struct efi_system_table *st, |
Alexander Graf | 54d8cdf | 2018-01-24 00:18:08 +0100 | [diff] [blame] | 185 | EFIAPI efi_status_t (*entry)( |
| 186 | efi_handle_t image_handle, |
| 187 | struct efi_system_table *st)) |
xypron.glpk@gmx.de | 1e5afc6 | 2017-07-04 23:15:21 +0200 | [diff] [blame] | 188 | { |
| 189 | efi_status_t ret = EFI_LOAD_ERROR; |
| 190 | |
| 191 | if (entry) |
| 192 | ret = entry(image_handle, st); |
| 193 | st->boottime->exit(image_handle, ret, 0, NULL); |
| 194 | return ret; |
| 195 | } |
| 196 | |
Alison Wang | 73818d5 | 2016-11-10 10:49:03 +0800 | [diff] [blame] | 197 | #ifdef CONFIG_ARM64 |
Alexander Graf | 54d8cdf | 2018-01-24 00:18:08 +0100 | [diff] [blame] | 198 | static efi_status_t efi_run_in_el2(EFIAPI efi_status_t (*entry)( |
Heinrich Schuchardt | b7cb8b4 | 2018-01-11 08:16:09 +0100 | [diff] [blame] | 199 | efi_handle_t image_handle, struct efi_system_table *st), |
| 200 | efi_handle_t image_handle, struct efi_system_table *st) |
Alison Wang | 73818d5 | 2016-11-10 10:49:03 +0800 | [diff] [blame] | 201 | { |
| 202 | /* Enable caches again */ |
| 203 | dcache_enable(); |
| 204 | |
xypron.glpk@gmx.de | 1e5afc6 | 2017-07-04 23:15:21 +0200 | [diff] [blame] | 205 | return efi_do_enter(image_handle, st, entry); |
Alison Wang | 73818d5 | 2016-11-10 10:49:03 +0800 | [diff] [blame] | 206 | } |
| 207 | #endif |
| 208 | |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 209 | #ifdef CONFIG_ARMV7_NONSEC |
Mark Kettenis | 6d140a6 | 2018-06-15 23:47:13 +0200 | [diff] [blame] | 210 | static bool is_nonsec; |
| 211 | |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 212 | static efi_status_t efi_run_in_hyp(EFIAPI efi_status_t (*entry)( |
| 213 | efi_handle_t image_handle, struct efi_system_table *st), |
| 214 | efi_handle_t image_handle, struct efi_system_table *st) |
| 215 | { |
| 216 | /* Enable caches again */ |
| 217 | dcache_enable(); |
| 218 | |
Mark Kettenis | 6d140a6 | 2018-06-15 23:47:13 +0200 | [diff] [blame] | 219 | is_nonsec = true; |
| 220 | |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 221 | return efi_do_enter(image_handle, st, entry); |
| 222 | } |
| 223 | #endif |
| 224 | |
Simon Glass | 54b9b6e | 2018-06-18 08:08:28 -0600 | [diff] [blame] | 225 | /* |
| 226 | * efi_carve_out_dt_rsv() - Carve out DT reserved memory ranges |
| 227 | * |
| 228 | * The mem_rsv entries of the FDT are added to the memory map. Any failures are |
| 229 | * ignored because this is not critical and we would rather continue to try to |
| 230 | * boot. |
| 231 | * |
| 232 | * @fdt: Pointer to device tree |
| 233 | */ |
| 234 | static void efi_carve_out_dt_rsv(void *fdt) |
Alexander Graf | 22c88bf | 2018-04-06 09:40:51 +0200 | [diff] [blame] | 235 | { |
| 236 | int nr_rsv, i; |
| 237 | uint64_t addr, size, pages; |
| 238 | |
| 239 | nr_rsv = fdt_num_mem_rsv(fdt); |
| 240 | |
| 241 | /* Look for an existing entry and add it to the efi mem map. */ |
| 242 | for (i = 0; i < nr_rsv; i++) { |
| 243 | if (fdt_get_mem_rsv(fdt, i, &addr, &size) != 0) |
| 244 | continue; |
| 245 | |
| 246 | pages = ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT; |
Simon Glass | 54b9b6e | 2018-06-18 08:08:28 -0600 | [diff] [blame] | 247 | if (!efi_add_memory_map(addr, pages, EFI_RESERVED_MEMORY_TYPE, |
| 248 | false)) |
| 249 | printf("FDT memrsv map %d: Failed to add to map\n", i); |
Alexander Graf | 22c88bf | 2018-04-06 09:40:51 +0200 | [diff] [blame] | 250 | } |
Alexander Graf | 22c88bf | 2018-04-06 09:40:51 +0200 | [diff] [blame] | 251 | } |
| 252 | |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 253 | static efi_status_t efi_install_fdt(void *fdt) |
| 254 | { |
| 255 | bootm_headers_t img = { 0 }; |
| 256 | ulong fdt_pages, fdt_size, fdt_start, fdt_end; |
| 257 | efi_status_t ret; |
| 258 | |
| 259 | if (fdt_check_header(fdt)) { |
| 260 | printf("ERROR: invalid device tree\n"); |
| 261 | return EFI_INVALID_PARAMETER; |
| 262 | } |
| 263 | |
| 264 | /* Prepare fdt for payload */ |
| 265 | fdt = copy_fdt(fdt); |
| 266 | if (!fdt) |
| 267 | return EFI_OUT_OF_RESOURCES; |
| 268 | |
| 269 | if (image_setup_libfdt(&img, fdt, 0, NULL)) { |
| 270 | printf("ERROR: failed to process device tree\n"); |
| 271 | return EFI_LOAD_ERROR; |
| 272 | } |
| 273 | |
Simon Glass | 54b9b6e | 2018-06-18 08:08:28 -0600 | [diff] [blame] | 274 | efi_carve_out_dt_rsv(fdt); |
Alexander Graf | 22c88bf | 2018-04-06 09:40:51 +0200 | [diff] [blame] | 275 | |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 276 | /* Link to it in the efi tables */ |
| 277 | ret = efi_install_configuration_table(&efi_guid_fdt, fdt); |
| 278 | if (ret != EFI_SUCCESS) |
| 279 | return EFI_OUT_OF_RESOURCES; |
| 280 | |
| 281 | /* And reserve the space in the memory map */ |
| 282 | fdt_start = ((ulong)fdt) & ~EFI_PAGE_MASK; |
| 283 | fdt_end = ((ulong)fdt) + fdt_totalsize(fdt); |
| 284 | fdt_size = (fdt_end - fdt_start) + EFI_PAGE_MASK; |
| 285 | fdt_pages = fdt_size >> EFI_PAGE_SHIFT; |
| 286 | /* Give a bootloader the chance to modify the device tree */ |
| 287 | fdt_pages += 2; |
| 288 | ret = efi_add_memory_map(fdt_start, fdt_pages, |
| 289 | EFI_BOOT_SERVICES_DATA, true); |
| 290 | return ret; |
| 291 | } |
| 292 | |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 293 | /* |
| 294 | * Load an EFI payload into a newly allocated piece of memory, register all |
| 295 | * EFI objects it would want to access and jump to it. |
| 296 | */ |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 297 | static efi_status_t do_bootefi_exec(void *efi, |
Heinrich Schuchardt | 4e363a9 | 2017-10-18 18:13:08 +0200 | [diff] [blame] | 298 | struct efi_device_path *device_path, |
| 299 | struct efi_device_path *image_path) |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 300 | { |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 301 | struct efi_loaded_image loaded_image_info = {}; |
| 302 | struct efi_object loaded_image_info_obj = {}; |
Alexander Graf | 2d00dbe | 2018-06-12 10:21:16 +0200 | [diff] [blame] | 303 | struct efi_object mem_obj = {}; |
Rob Clark | 18ceba7 | 2017-10-10 08:23:06 -0400 | [diff] [blame] | 304 | struct efi_device_path *memdp = NULL; |
Heinrich Schuchardt | 4b055a2 | 2018-03-03 15:29:01 +0100 | [diff] [blame] | 305 | efi_status_t ret; |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 306 | |
Alexander Graf | 54d8cdf | 2018-01-24 00:18:08 +0100 | [diff] [blame] | 307 | EFIAPI efi_status_t (*entry)(efi_handle_t image_handle, |
| 308 | struct efi_system_table *st); |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 309 | |
Rob Clark | 18ceba7 | 2017-10-10 08:23:06 -0400 | [diff] [blame] | 310 | /* |
| 311 | * Special case for efi payload not loaded from disk, such as |
| 312 | * 'bootefi hello' or for example payload loaded directly into |
| 313 | * memory via jtag/etc: |
| 314 | */ |
| 315 | if (!device_path && !image_path) { |
| 316 | printf("WARNING: using memory device/image path, this may confuse some payloads!\n"); |
| 317 | /* actual addresses filled in after efi_load_pe() */ |
| 318 | memdp = efi_dp_from_mem(0, 0, 0); |
| 319 | device_path = image_path = memdp; |
Alexander Graf | 2d00dbe | 2018-06-12 10:21:16 +0200 | [diff] [blame] | 320 | efi_add_handle(&mem_obj); |
| 321 | |
| 322 | ret = efi_add_protocol(mem_obj.handle, &efi_guid_device_path, |
| 323 | device_path); |
| 324 | if (ret != EFI_SUCCESS) |
| 325 | goto exit; |
Rob Clark | 18ceba7 | 2017-10-10 08:23:06 -0400 | [diff] [blame] | 326 | } else { |
| 327 | assert(device_path && image_path); |
| 328 | } |
| 329 | |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 330 | efi_setup_loaded_image(&loaded_image_info, &loaded_image_info_obj, |
| 331 | device_path, image_path); |
| 332 | |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 333 | /* |
| 334 | * gd lives in a fixed register which may get clobbered while we execute |
| 335 | * the payload. So save it here and restore it on every callback entry |
| 336 | */ |
| 337 | efi_save_gd(); |
| 338 | |
Heinrich Schuchardt | a4589e2 | 2017-10-18 18:13:15 +0200 | [diff] [blame] | 339 | /* Transfer environment variable bootargs as load options */ |
| 340 | set_load_options(&loaded_image_info, "bootargs"); |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 341 | /* Load the EFI payload */ |
| 342 | entry = efi_load_pe(efi, &loaded_image_info); |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 343 | if (!entry) { |
Heinrich Schuchardt | 4b055a2 | 2018-03-03 15:29:01 +0100 | [diff] [blame] | 344 | ret = EFI_LOAD_ERROR; |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 345 | goto exit; |
| 346 | } |
Alexander Graf | 7725609 | 2016-08-16 21:08:45 +0200 | [diff] [blame] | 347 | |
Rob Clark | 18ceba7 | 2017-10-10 08:23:06 -0400 | [diff] [blame] | 348 | if (memdp) { |
| 349 | struct efi_device_path_memory *mdp = (void *)memdp; |
| 350 | mdp->memory_type = loaded_image_info.image_code_type; |
| 351 | mdp->start_address = (uintptr_t)loaded_image_info.image_base; |
| 352 | mdp->end_address = mdp->start_address + |
| 353 | loaded_image_info.image_size; |
| 354 | } |
| 355 | |
Rob Clark | 15f3d74 | 2017-09-13 18:05:37 -0400 | [diff] [blame] | 356 | /* we don't support much: */ |
| 357 | env_set("efi_8be4df61-93ca-11d2-aa0d-00e098032b8c_OsIndicationsSupported", |
| 358 | "{ro,boot}(blob)0000000000000000"); |
| 359 | |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 360 | /* Call our payload! */ |
Alexander Graf | 62a6748 | 2016-06-02 11:38:27 +0200 | [diff] [blame] | 361 | debug("%s:%d Jumping to 0x%lx\n", __func__, __LINE__, (long)entry); |
Alexander Graf | 988c066 | 2016-05-20 23:28:23 +0200 | [diff] [blame] | 362 | |
| 363 | if (setjmp(&loaded_image_info.exit_jmp)) { |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 364 | ret = loaded_image_info.exit_status; |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 365 | goto exit; |
Alexander Graf | 988c066 | 2016-05-20 23:28:23 +0200 | [diff] [blame] | 366 | } |
| 367 | |
Alexander Graf | bfd199c | 2016-11-17 01:02:58 +0100 | [diff] [blame] | 368 | #ifdef CONFIG_ARM64 |
| 369 | /* On AArch64 we need to make sure we call our payload in < EL3 */ |
| 370 | if (current_el() == 3) { |
| 371 | smp_kick_all_cpus(); |
| 372 | dcache_disable(); /* flush cache before switch to EL2 */ |
Alison Wang | 73818d5 | 2016-11-10 10:49:03 +0800 | [diff] [blame] | 373 | |
| 374 | /* Move into EL2 and keep running there */ |
Heinrich Schuchardt | 754d497 | 2017-11-26 14:05:22 +0100 | [diff] [blame] | 375 | armv8_switch_to_el2((ulong)entry, |
| 376 | (ulong)&loaded_image_info_obj.handle, |
Alison Wang | eb2088d | 2017-01-17 09:39:17 +0800 | [diff] [blame] | 377 | (ulong)&systab, 0, (ulong)efi_run_in_el2, |
Alison Wang | 73818d5 | 2016-11-10 10:49:03 +0800 | [diff] [blame] | 378 | ES_TO_AARCH64); |
| 379 | |
| 380 | /* Should never reach here, efi exits with longjmp */ |
| 381 | while (1) { } |
Alexander Graf | bfd199c | 2016-11-17 01:02:58 +0100 | [diff] [blame] | 382 | } |
| 383 | #endif |
| 384 | |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 385 | #ifdef CONFIG_ARMV7_NONSEC |
Mark Kettenis | 6d140a6 | 2018-06-15 23:47:13 +0200 | [diff] [blame] | 386 | if (armv7_boot_nonsec() && !is_nonsec) { |
Mark Kettenis | 5eb68ed | 2018-06-15 23:47:12 +0200 | [diff] [blame] | 387 | dcache_disable(); /* flush cache before switch to HYP */ |
| 388 | |
| 389 | armv7_init_nonsec(); |
| 390 | secure_ram_addr(_do_nonsec_entry)( |
| 391 | efi_run_in_hyp, |
| 392 | (uintptr_t)entry, |
| 393 | (uintptr_t)loaded_image_info_obj.handle, |
| 394 | (uintptr_t)&systab); |
| 395 | |
| 396 | /* Should never reach here, efi exits with longjmp */ |
| 397 | while (1) { } |
| 398 | } |
| 399 | #endif |
| 400 | |
Heinrich Schuchardt | 754d497 | 2017-11-26 14:05:22 +0100 | [diff] [blame] | 401 | ret = efi_do_enter(loaded_image_info_obj.handle, &systab, entry); |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 402 | |
| 403 | exit: |
| 404 | /* image has returned, loaded-image obj goes *poof*: */ |
| 405 | list_del(&loaded_image_info_obj.link); |
Alexander Graf | 2d00dbe | 2018-06-12 10:21:16 +0200 | [diff] [blame] | 406 | if (mem_obj.handle) |
| 407 | list_del(&mem_obj.link); |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 408 | |
| 409 | return ret; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 410 | } |
| 411 | |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 412 | static int do_bootefi_bootmgr_exec(void) |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 413 | { |
| 414 | struct efi_device_path *device_path, *file_path; |
| 415 | void *addr; |
| 416 | efi_status_t r; |
| 417 | |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 418 | /* |
| 419 | * gd lives in a fixed register which may get clobbered while we execute |
| 420 | * the payload. So save it here and restore it on every callback entry |
| 421 | */ |
| 422 | efi_save_gd(); |
| 423 | |
| 424 | addr = efi_bootmgr_load(&device_path, &file_path); |
| 425 | if (!addr) |
| 426 | return 1; |
| 427 | |
| 428 | printf("## Starting EFI application at %p ...\n", addr); |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 429 | r = do_bootefi_exec(addr, device_path, file_path); |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 430 | printf("## Application terminated, r = %lu\n", |
| 431 | r & ~EFI_ERROR_MASK); |
| 432 | |
| 433 | if (r != EFI_SUCCESS) |
| 434 | return 1; |
| 435 | |
| 436 | return 0; |
| 437 | } |
| 438 | |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 439 | /* Interpreter command to boot an arbitrary EFI image from memory */ |
| 440 | static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| 441 | { |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 442 | unsigned long addr; |
| 443 | char *saddr; |
Heinrich Schuchardt | 4e363a9 | 2017-10-18 18:13:08 +0200 | [diff] [blame] | 444 | efi_status_t r; |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 445 | unsigned long fdt_addr; |
| 446 | void *fdt; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 447 | |
Heinrich Schuchardt | 954e2b9 | 2018-04-03 21:59:32 +0200 | [diff] [blame] | 448 | /* Allow unaligned memory access */ |
| 449 | allow_unaligned(); |
| 450 | |
Heinrich Schuchardt | 8c0dfc2 | 2018-03-03 15:29:02 +0100 | [diff] [blame] | 451 | /* Initialize EFI drivers */ |
| 452 | r = efi_init_obj_list(); |
| 453 | if (r != EFI_SUCCESS) { |
| 454 | printf("Error: Cannot set up EFI drivers, r = %lu\n", |
| 455 | r & ~EFI_ERROR_MASK); |
| 456 | return CMD_RET_FAILURE; |
| 457 | } |
| 458 | |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 459 | if (argc < 2) |
Bin Meng | da800ff | 2016-08-13 04:02:06 -0700 | [diff] [blame] | 460 | return CMD_RET_USAGE; |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 461 | |
| 462 | if (argc > 2) { |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 463 | fdt_addr = simple_strtoul(argv[2], NULL, 16); |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 464 | if (!fdt_addr && *argv[2] != '0') |
| 465 | return CMD_RET_USAGE; |
| 466 | /* Install device tree */ |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 467 | fdt = map_sysmem(fdt_addr, 0); |
| 468 | r = efi_install_fdt(fdt); |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 469 | if (r != EFI_SUCCESS) { |
| 470 | printf("ERROR: failed to install device tree\n"); |
| 471 | return CMD_RET_FAILURE; |
| 472 | } |
| 473 | } else { |
| 474 | /* Remove device tree. EFI_NOT_FOUND can be ignored here */ |
| 475 | efi_install_configuration_table(&efi_guid_fdt, NULL); |
| 476 | printf("WARNING: booting without device tree\n"); |
| 477 | } |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 478 | #ifdef CONFIG_CMD_BOOTEFI_HELLO |
| 479 | if (!strcmp(argv[1], "hello")) { |
Heinrich Schuchardt | 7804ae9 | 2017-09-05 03:19:37 +0200 | [diff] [blame] | 480 | ulong size = __efi_helloworld_end - __efi_helloworld_begin; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 481 | |
Heinrich Schuchardt | e6a9ab5 | 2017-08-28 18:54:30 +0200 | [diff] [blame] | 482 | saddr = env_get("loadaddr"); |
| 483 | if (saddr) |
| 484 | addr = simple_strtoul(saddr, NULL, 16); |
| 485 | else |
| 486 | addr = CONFIG_SYS_LOAD_ADDR; |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 487 | memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size); |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 488 | } else |
| 489 | #endif |
Heinrich Schuchardt | d33ae3e | 2017-09-15 10:06:11 +0200 | [diff] [blame] | 490 | #ifdef CONFIG_CMD_BOOTEFI_SELFTEST |
| 491 | if (!strcmp(argv[1], "selftest")) { |
Heinrich Schuchardt | 389f251 | 2017-09-20 22:54:58 +0200 | [diff] [blame] | 492 | struct efi_loaded_image loaded_image_info = {}; |
| 493 | struct efi_object loaded_image_info_obj = {}; |
| 494 | |
Heinrich Schuchardt | a809bc2 | 2017-10-18 18:13:09 +0200 | [diff] [blame] | 495 | /* Construct a dummy device path. */ |
| 496 | bootefi_device_path = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE, |
| 497 | (uintptr_t)&efi_selftest, |
| 498 | (uintptr_t)&efi_selftest); |
| 499 | bootefi_image_path = efi_dp_from_file(NULL, 0, "\\selftest"); |
| 500 | |
Heinrich Schuchardt | 389f251 | 2017-09-20 22:54:58 +0200 | [diff] [blame] | 501 | efi_setup_loaded_image(&loaded_image_info, |
| 502 | &loaded_image_info_obj, |
| 503 | bootefi_device_path, bootefi_image_path); |
Heinrich Schuchardt | d33ae3e | 2017-09-15 10:06:11 +0200 | [diff] [blame] | 504 | /* |
| 505 | * gd lives in a fixed register which may get clobbered while we |
| 506 | * execute the payload. So save it here and restore it on every |
| 507 | * callback entry |
| 508 | */ |
| 509 | efi_save_gd(); |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 510 | /* Transfer environment variable efi_selftest as load options */ |
| 511 | set_load_options(&loaded_image_info, "efi_selftest"); |
| 512 | /* Execute the test */ |
Heinrich Schuchardt | 754d497 | 2017-11-26 14:05:22 +0100 | [diff] [blame] | 513 | r = efi_selftest(loaded_image_info_obj.handle, &systab); |
Heinrich Schuchardt | d2d90b4 | 2017-10-18 18:13:14 +0200 | [diff] [blame] | 514 | efi_restore_gd(); |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 515 | free(loaded_image_info.load_options); |
Heinrich Schuchardt | d2d90b4 | 2017-10-18 18:13:14 +0200 | [diff] [blame] | 516 | list_del(&loaded_image_info_obj.link); |
| 517 | return r != EFI_SUCCESS; |
Heinrich Schuchardt | d33ae3e | 2017-09-15 10:06:11 +0200 | [diff] [blame] | 518 | } else |
| 519 | #endif |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 520 | if (!strcmp(argv[1], "bootmgr")) { |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 521 | return do_bootefi_bootmgr_exec(); |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 522 | } else { |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 523 | saddr = argv[1]; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 524 | |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 525 | addr = simple_strtoul(saddr, NULL, 16); |
Heinrich Schuchardt | aa6fd9a | 2018-01-24 20:33:54 +0100 | [diff] [blame] | 526 | /* Check that a numeric value was passed */ |
| 527 | if (!addr && *saddr != '0') |
| 528 | return CMD_RET_USAGE; |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 529 | |
Alexander Graf | 54c1e83 | 2016-04-14 16:07:53 +0200 | [diff] [blame] | 530 | } |
| 531 | |
Simon Glass | 1a5490e | 2016-11-07 08:47:05 -0700 | [diff] [blame] | 532 | printf("## Starting EFI application at %08lx ...\n", addr); |
Alexander Graf | a241451 | 2018-06-18 17:22:58 +0200 | [diff] [blame] | 533 | r = do_bootefi_exec(map_sysmem(addr, 0), bootefi_device_path, |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 534 | bootefi_image_path); |
xypron.glpk@gmx.de | 5eadbfa | 2017-07-04 23:15:23 +0200 | [diff] [blame] | 535 | printf("## Application terminated, r = %lu\n", |
| 536 | r & ~EFI_ERROR_MASK); |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 537 | |
xypron.glpk@gmx.de | 5eadbfa | 2017-07-04 23:15:23 +0200 | [diff] [blame] | 538 | if (r != EFI_SUCCESS) |
| 539 | return 1; |
| 540 | else |
| 541 | return 0; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | #ifdef CONFIG_SYS_LONGHELP |
| 545 | static char bootefi_help_text[] = |
Alexander Graf | 54c1e83 | 2016-04-14 16:07:53 +0200 | [diff] [blame] | 546 | "<image address> [fdt address]\n" |
| 547 | " - boot EFI payload stored at address <image address>.\n" |
| 548 | " If specified, the device tree located at <fdt address> gets\n" |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 549 | " exposed as EFI configuration table.\n" |
| 550 | #ifdef CONFIG_CMD_BOOTEFI_HELLO |
Heinrich Schuchardt | d33ae3e | 2017-09-15 10:06:11 +0200 | [diff] [blame] | 551 | "bootefi hello\n" |
| 552 | " - boot a sample Hello World application stored within U-Boot\n" |
| 553 | #endif |
| 554 | #ifdef CONFIG_CMD_BOOTEFI_SELFTEST |
Heinrich Schuchardt | 44ab21b | 2018-03-03 15:29:03 +0100 | [diff] [blame] | 555 | "bootefi selftest [fdt address]\n" |
Heinrich Schuchardt | d33ae3e | 2017-09-15 10:06:11 +0200 | [diff] [blame] | 556 | " - boot an EFI selftest application stored within U-Boot\n" |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 557 | " Use environment variable efi_selftest to select a single test.\n" |
| 558 | " Use 'setenv efi_selftest list' to enumerate all tests.\n" |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 559 | #endif |
Heinrich Schuchardt | 1b2320f | 2018-01-30 19:47:43 +0100 | [diff] [blame] | 560 | "bootefi bootmgr [fdt addr]\n" |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 561 | " - load and boot EFI payload based on BootOrder/BootXXXX variables.\n" |
| 562 | "\n" |
| 563 | " If specified, the device tree located at <fdt address> gets\n" |
| 564 | " exposed as EFI configuration table.\n"; |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 565 | #endif |
| 566 | |
| 567 | U_BOOT_CMD( |
Alexander Graf | 54c1e83 | 2016-04-14 16:07:53 +0200 | [diff] [blame] | 568 | bootefi, 3, 0, do_bootefi, |
Sergey Kubushyn | 268f19e | 2016-06-07 11:14:31 -0700 | [diff] [blame] | 569 | "Boots an EFI payload from memory", |
Alexander Graf | e2b04f2 | 2016-03-10 00:27:20 +0100 | [diff] [blame] | 570 | bootefi_help_text |
| 571 | ); |
Alexander Graf | 8f19f26 | 2016-03-04 01:10:14 +0100 | [diff] [blame] | 572 | |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 573 | void efi_set_bootdev(const char *dev, const char *devnr, const char *path) |
| 574 | { |
| 575 | char filename[32] = { 0 }; /* dp->str is u16[32] long */ |
| 576 | char *s; |
Alexander Graf | 34118e7 | 2016-08-05 14:49:53 +0200 | [diff] [blame] | 577 | |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 578 | if (strcmp(dev, "Net")) { |
| 579 | struct blk_desc *desc; |
Heinrich Schuchardt | 7e262a7 | 2018-04-03 22:40:55 +0200 | [diff] [blame] | 580 | disk_partition_t fs_partition; |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 581 | int part; |
Alexander Graf | eb8d82c | 2016-04-11 16:16:18 +0200 | [diff] [blame] | 582 | |
Heinrich Schuchardt | 7e262a7 | 2018-04-03 22:40:55 +0200 | [diff] [blame] | 583 | part = blk_get_device_part_str(dev, devnr, &desc, &fs_partition, |
| 584 | 1); |
| 585 | if (part < 0) |
Stefan Roese | df76976 | 2017-11-17 08:47:09 +0100 | [diff] [blame] | 586 | return; |
Alexander Graf | 8f19f26 | 2016-03-04 01:10:14 +0100 | [diff] [blame] | 587 | |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 588 | bootefi_device_path = efi_dp_from_part(desc, part); |
| 589 | } else { |
Joe Hershberger | 5277a97 | 2018-04-13 15:26:39 -0500 | [diff] [blame] | 590 | #ifdef CONFIG_NET |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 591 | bootefi_device_path = efi_dp_from_eth(); |
| 592 | #endif |
| 593 | } |
Alexander Graf | c49a1b8 | 2016-04-11 16:16:19 +0200 | [diff] [blame] | 594 | |
Rob Clark | c84c110 | 2017-09-13 18:05:38 -0400 | [diff] [blame] | 595 | if (!path) |
| 596 | return; |
| 597 | |
Alexander Graf | 45e437d | 2016-07-21 01:44:46 +0200 | [diff] [blame] | 598 | if (strcmp(dev, "Net")) { |
| 599 | /* Add leading / to fs paths, because they're absolute */ |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 600 | snprintf(filename, sizeof(filename), "/%s", path); |
Alexander Graf | 45e437d | 2016-07-21 01:44:46 +0200 | [diff] [blame] | 601 | } else { |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 602 | snprintf(filename, sizeof(filename), "%s", path); |
Alexander Graf | 45e437d | 2016-07-21 01:44:46 +0200 | [diff] [blame] | 603 | } |
Rob Clark | 6533652 | 2017-07-24 07:59:09 -0400 | [diff] [blame] | 604 | /* DOS style file path: */ |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 605 | s = filename; |
Rob Clark | 6533652 | 2017-07-24 07:59:09 -0400 | [diff] [blame] | 606 | while ((s = strchr(s, '/'))) |
| 607 | *s++ = '\\'; |
Rob Clark | f8db922 | 2017-09-13 18:05:33 -0400 | [diff] [blame] | 608 | bootefi_image_path = efi_dp_from_file(NULL, 0, filename); |
Alexander Graf | 8f19f26 | 2016-03-04 01:10:14 +0100 | [diff] [blame] | 609 | } |