Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Bootmethod for distro boot via EFI |
| 4 | * |
| 5 | * Copyright 2021 Google LLC |
| 6 | * Written by Simon Glass <sjg@chromium.org> |
| 7 | */ |
| 8 | |
| 9 | #define LOG_CATEGORY UCLASS_BOOTSTD |
| 10 | |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 11 | #include <bootdev.h> |
| 12 | #include <bootflow.h> |
| 13 | #include <bootmeth.h> |
| 14 | #include <command.h> |
| 15 | #include <dm.h> |
Simon Glass | 3b1e60b | 2024-11-07 14:31:43 -0700 | [diff] [blame] | 16 | #include <efi.h> |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 17 | #include <efi_loader.h> |
Tom Rini | c31301c | 2025-05-15 17:31:50 -0600 | [diff] [blame] | 18 | #include <env.h> |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 19 | #include <fs.h> |
| 20 | #include <malloc.h> |
| 21 | #include <mapmem.h> |
| 22 | #include <mmc.h> |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 23 | #include <net.h> |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 24 | #include <pxe_utils.h> |
Simon Glass | 02fafec | 2023-07-26 21:01:24 -0600 | [diff] [blame] | 25 | #include <linux/sizes.h> |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 26 | |
Heinrich Schuchardt | 4226d9d | 2024-04-03 23:39:48 +0200 | [diff] [blame] | 27 | #define EFI_DIRNAME "/EFI/BOOT/" |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 28 | |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 29 | static int get_efi_pxe_vci(char *str, int max_len) |
| 30 | { |
| 31 | int ret; |
| 32 | |
Simon Glass | 1824bf6 | 2024-11-07 14:31:44 -0700 | [diff] [blame] | 33 | ret = efi_get_pxe_arch(); |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 34 | if (ret < 0) |
| 35 | return ret; |
| 36 | |
| 37 | snprintf(str, max_len, "PXEClient:Arch:%05x:UNDI:003000", ret); |
| 38 | |
| 39 | return 0; |
| 40 | } |
| 41 | |
Simon Glass | 47fc734 | 2023-07-26 21:01:22 -0600 | [diff] [blame] | 42 | /** |
| 43 | * bootmeth_uses_network() - check if the media device is Ethernet |
| 44 | * |
| 45 | * @bflow: Bootflow to check |
| 46 | * Returns: true if the media device is Ethernet, else false |
| 47 | */ |
| 48 | static bool bootmeth_uses_network(struct bootflow *bflow) |
| 49 | { |
| 50 | const struct udevice *media = dev_get_parent(bflow->dev); |
| 51 | |
| 52 | return IS_ENABLED(CONFIG_CMD_DHCP) && |
| 53 | device_get_uclass_id(media) == UCLASS_ETH; |
| 54 | } |
| 55 | |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 56 | static int efiload_read_file(struct bootflow *bflow, ulong addr) |
Simon Glass | acad362 | 2023-04-24 13:49:46 +1200 | [diff] [blame] | 57 | { |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 58 | struct blk_desc *desc = NULL; |
Simon Glass | 5f27d16 | 2024-11-15 16:19:16 -0700 | [diff] [blame] | 59 | ulong size; |
Simon Glass | acad362 | 2023-04-24 13:49:46 +1200 | [diff] [blame] | 60 | int ret; |
| 61 | |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 62 | if (bflow->blk) |
| 63 | desc = dev_get_uclass_plat(bflow->blk); |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 64 | |
Simon Glass | 5f27d16 | 2024-11-15 16:19:16 -0700 | [diff] [blame] | 65 | size = SZ_1G; |
| 66 | ret = bootmeth_common_read_file(bflow->method, bflow, bflow->fname, |
Simon Glass | f39b559 | 2024-11-15 16:19:17 -0700 | [diff] [blame] | 67 | addr, BFI_EFI, &size); |
Simon Glass | acad362 | 2023-04-24 13:49:46 +1200 | [diff] [blame] | 68 | if (ret) |
Simon Glass | 5f27d16 | 2024-11-15 16:19:16 -0700 | [diff] [blame] | 69 | return log_msg_ret("rdf", ret); |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 70 | bflow->buf = map_sysmem(addr, bflow->size); |
| 71 | |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | static int distro_efi_check(struct udevice *dev, struct bootflow_iter *iter) |
| 76 | { |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 77 | /* This only works on block and network devices */ |
| 78 | if (bootflow_iter_check_blk(iter) && bootflow_iter_check_net(iter)) |
| 79 | return log_msg_ret("blk", -ENOTSUPP); |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 80 | |
Simon Glass | e22fe92 | 2023-01-17 10:48:05 -0700 | [diff] [blame] | 81 | /* This works on block devices and network devices */ |
| 82 | if (iter->method_flags & BOOTFLOW_METHF_PXE_ONLY) |
| 83 | return log_msg_ret("pxe", -ENOTSUPP); |
| 84 | |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 85 | return 0; |
| 86 | } |
| 87 | |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 88 | /* |
| 89 | * distro_efi_try_bootflow_files() - Check that files are present |
| 90 | * |
| 91 | * This reads any FDT file and checks whether the bootflow file is present, for |
| 92 | * later reading. We avoid reading the bootflow now, since it is likely large, |
| 93 | * it may take a long time and we want to avoid needing to allocate memory for |
| 94 | * it |
| 95 | * |
| 96 | * @dev: bootmeth device to use |
| 97 | * @bflow: bootflow to update |
| 98 | */ |
| 99 | static int distro_efi_try_bootflow_files(struct udevice *dev, |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 100 | struct bootflow *bflow) |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 101 | { |
| 102 | struct blk_desc *desc = NULL; |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 103 | ulong fdt_addr, size; |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 104 | char fname[256]; |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 105 | int ret, seq; |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 106 | |
| 107 | /* We require a partition table */ |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 108 | if (!bflow->part) { |
| 109 | log_debug("no partitions\n"); |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 110 | return -ENOENT; |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 111 | } |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 112 | |
| 113 | strcpy(fname, EFI_DIRNAME); |
Simon Glass | 3b1e60b | 2024-11-07 14:31:43 -0700 | [diff] [blame] | 114 | strcat(fname, efi_get_basename()); |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 115 | |
| 116 | if (bflow->blk) |
| 117 | desc = dev_get_uclass_plat(bflow->blk); |
| 118 | ret = bootmeth_try_file(bflow, desc, NULL, fname); |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 119 | if (ret) { |
| 120 | log_debug("File '%s' not found\n", fname); |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 121 | return log_msg_ret("try", ret); |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 122 | } |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 123 | |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 124 | /* Since we can access the file, let's call it ready */ |
| 125 | bflow->state = BOOTFLOWST_READY; |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 126 | |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 127 | fdt_addr = env_get_hex("fdt_addr_r", 0); |
| 128 | |
| 129 | /* try the various available names */ |
| 130 | ret = -ENOENT; |
Simon Glass | 40516be | 2023-04-24 13:49:44 +1200 | [diff] [blame] | 131 | *fname = '\0'; |
| 132 | for (seq = 0; ret == -ENOENT; seq++) { |
Heinrich Schuchardt | 1a41ca4 | 2024-04-26 16:13:18 +0200 | [diff] [blame] | 133 | ret = efi_get_distro_fdt_name(fname, sizeof(fname), seq); |
Simon Glass | 40516be | 2023-04-24 13:49:44 +1200 | [diff] [blame] | 134 | if (ret == -EALREADY) |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 135 | bflow->flags = BOOTFLOWF_USE_PRIOR_FDT; |
Simon Glass | 02fafec | 2023-07-26 21:01:24 -0600 | [diff] [blame] | 136 | if (!ret) { |
| 137 | /* Limit FDT files to 4MB */ |
| 138 | size = SZ_4M; |
Simon Glass | 40516be | 2023-04-24 13:49:44 +1200 | [diff] [blame] | 139 | ret = bootmeth_common_read_file(dev, bflow, fname, |
Simon Glass | f39b559 | 2024-11-15 16:19:17 -0700 | [diff] [blame] | 140 | fdt_addr, (enum bootflow_img_t)IH_TYPE_FLATDT, |
| 141 | &size); |
Simon Glass | 02fafec | 2023-07-26 21:01:24 -0600 | [diff] [blame] | 142 | } |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 143 | } |
| 144 | |
Simon Glass | 40516be | 2023-04-24 13:49:44 +1200 | [diff] [blame] | 145 | if (*fname) { |
| 146 | bflow->fdt_fname = strdup(fname); |
| 147 | if (!bflow->fdt_fname) |
| 148 | return log_msg_ret("fil", -ENOMEM); |
| 149 | } |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 150 | |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 151 | if (!ret) { |
| 152 | bflow->fdt_size = size; |
| 153 | bflow->fdt_addr = fdt_addr; |
| 154 | |
| 155 | /* |
| 156 | * TODO: Apply extension overlay |
| 157 | * |
| 158 | * Here we need to load and apply the extension overlay. This is |
| 159 | * not implemented. See do_extension_apply(). The extension |
| 160 | * stuff needs an implementation in boot/extension.c so it is |
| 161 | * separate from the command code. Really the extension stuff |
| 162 | * should use the device tree and a uclass / driver interface |
| 163 | * rather than implementing its own list |
| 164 | */ |
| 165 | } else { |
| 166 | log_debug("No device tree available\n"); |
Shantur Rathore | aab9cdb | 2023-11-19 16:55:00 +0000 | [diff] [blame] | 167 | bflow->flags |= BOOTFLOWF_USE_BUILTIN_FDT; |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 168 | } |
| 169 | |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 170 | return 0; |
| 171 | } |
| 172 | |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 173 | static int distro_efi_read_bootflow_net(struct bootflow *bflow) |
| 174 | { |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 175 | char file_addr[17], fname[256]; |
| 176 | char *tftp_argv[] = {"tftp", file_addr, fname, NULL}; |
| 177 | struct cmd_tbl cmdtp = {}; /* dummy */ |
Shantur Rathore | 1c34f9d | 2023-11-19 16:54:59 +0000 | [diff] [blame] | 178 | const char *addr_str, *fdt_addr_str, *bootfile_name; |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 179 | int ret, arch, size; |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 180 | ulong addr, fdt_addr; |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 181 | char str[36]; |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 182 | |
| 183 | ret = get_efi_pxe_vci(str, sizeof(str)); |
| 184 | if (ret) |
| 185 | return log_msg_ret("vci", ret); |
Simon Glass | 1824bf6 | 2024-11-07 14:31:44 -0700 | [diff] [blame] | 186 | ret = efi_get_pxe_arch(); |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 187 | if (ret < 0) |
| 188 | return log_msg_ret("arc", ret); |
| 189 | arch = ret; |
| 190 | |
| 191 | ret = env_set("bootp_vci", str); |
| 192 | if (ret) |
| 193 | return log_msg_ret("vcs", ret); |
Shantur Rathore | b4c1252 | 2023-11-19 16:54:58 +0000 | [diff] [blame] | 194 | ret = env_set_hex("bootp_arch", arch); |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 195 | if (ret) |
| 196 | return log_msg_ret("ars", ret); |
| 197 | |
| 198 | /* figure out the load address */ |
| 199 | addr_str = env_get("kernel_addr_r"); |
| 200 | addr = addr_str ? hextoul(addr_str, NULL) : image_load_addr; |
| 201 | |
| 202 | /* clear any previous bootfile */ |
| 203 | env_set("bootfile", NULL); |
| 204 | |
| 205 | /* read the kernel */ |
| 206 | ret = dhcp_run(addr, NULL, true); |
| 207 | if (ret) |
| 208 | return log_msg_ret("dhc", ret); |
| 209 | |
| 210 | size = env_get_hex("filesize", -1); |
| 211 | if (size <= 0) |
| 212 | return log_msg_ret("sz", -EINVAL); |
| 213 | bflow->size = size; |
Simon Glass | ff055b0 | 2025-01-23 15:07:24 -0700 | [diff] [blame] | 214 | bflow->buf = map_sysmem(addr, size); |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 215 | |
Simon Glass | 5b0d914 | 2024-07-17 09:31:03 +0100 | [diff] [blame] | 216 | /* bootfile should be setup by dhcp */ |
Shantur Rathore | 1c34f9d | 2023-11-19 16:54:59 +0000 | [diff] [blame] | 217 | bootfile_name = env_get("bootfile"); |
| 218 | if (!bootfile_name) |
| 219 | return log_msg_ret("bootfile_name", ret); |
| 220 | bflow->fname = strdup(bootfile_name); |
Simon Glass | 5864891 | 2024-11-15 16:19:18 -0700 | [diff] [blame] | 221 | if (!bflow->fname) |
| 222 | return log_msg_ret("fi0", -ENOMEM); |
Shantur Rathore | 1c34f9d | 2023-11-19 16:54:59 +0000 | [diff] [blame] | 223 | |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 224 | /* read the DT file also */ |
| 225 | fdt_addr_str = env_get("fdt_addr_r"); |
| 226 | if (!fdt_addr_str) |
| 227 | return log_msg_ret("fdt", -EINVAL); |
| 228 | fdt_addr = hextoul(fdt_addr_str, NULL); |
| 229 | sprintf(file_addr, "%lx", fdt_addr); |
| 230 | |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 231 | /* We only allow the first prefix with PXE */ |
Heinrich Schuchardt | 1a41ca4 | 2024-04-26 16:13:18 +0200 | [diff] [blame] | 232 | ret = efi_get_distro_fdt_name(fname, sizeof(fname), 0); |
Simon Glass | ca84dc8 | 2023-02-22 12:17:04 -0700 | [diff] [blame] | 233 | if (ret) |
| 234 | return log_msg_ret("nam", ret); |
| 235 | |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 236 | bflow->fdt_fname = strdup(fname); |
| 237 | if (!bflow->fdt_fname) |
| 238 | return log_msg_ret("fil", -ENOMEM); |
| 239 | |
| 240 | if (!do_tftpb(&cmdtp, 0, 3, tftp_argv)) { |
| 241 | bflow->fdt_size = env_get_hex("filesize", 0); |
| 242 | bflow->fdt_addr = fdt_addr; |
| 243 | } else { |
| 244 | log_debug("No device tree available\n"); |
Shantur Rathore | aab9cdb | 2023-11-19 16:55:00 +0000 | [diff] [blame] | 245 | bflow->flags |= BOOTFLOWF_USE_BUILTIN_FDT; |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 246 | } |
| 247 | |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 248 | bflow->state = BOOTFLOWST_READY; |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
| 253 | static int distro_efi_read_bootflow(struct udevice *dev, struct bootflow *bflow) |
| 254 | { |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 255 | int ret; |
| 256 | |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 257 | log_debug("dev='%s', part=%d\n", bflow->dev->name, bflow->part); |
| 258 | |
Shantur Rathore | b45d7e2 | 2023-11-19 16:55:01 +0000 | [diff] [blame] | 259 | /* |
| 260 | * bootmeth_efi doesn't allocate any buffer neither for blk nor net device |
| 261 | * set flag to avoid freeing static buffer. |
| 262 | */ |
| 263 | bflow->flags |= BOOTFLOWF_STATIC_BUF; |
| 264 | |
Simon Glass | 47fc734 | 2023-07-26 21:01:22 -0600 | [diff] [blame] | 265 | if (bootmeth_uses_network(bflow)) { |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 266 | /* we only support reading from one device, so ignore 'dev' */ |
| 267 | ret = distro_efi_read_bootflow_net(bflow); |
| 268 | if (ret) |
| 269 | return log_msg_ret("net", ret); |
| 270 | } else { |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 271 | ret = distro_efi_try_bootflow_files(dev, bflow); |
Simon Glass | 9e08caa | 2023-01-17 10:47:55 -0700 | [diff] [blame] | 272 | if (ret) |
| 273 | return log_msg_ret("blk", ret); |
| 274 | } |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
Bin Meng | 79eb5f7 | 2023-08-03 17:30:05 +0800 | [diff] [blame] | 279 | static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow) |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 280 | { |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 281 | ulong kernel, fdt; |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 282 | int ret; |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 283 | |
Simon Glass | b3445e0 | 2024-09-26 23:59:37 +0200 | [diff] [blame] | 284 | log_debug("distro EFI boot\n"); |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 285 | kernel = env_get_hex("kernel_addr_r", 0); |
Simon Glass | 47fc734 | 2023-07-26 21:01:22 -0600 | [diff] [blame] | 286 | if (!bootmeth_uses_network(bflow)) { |
Simon Glass | 4aec190 | 2023-07-26 21:01:23 -0600 | [diff] [blame] | 287 | ret = efiload_read_file(bflow, kernel); |
| 288 | if (ret) |
| 289 | return log_msg_ret("read", ret); |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 290 | |
| 291 | /* |
Shantur Rathore | aab9cdb | 2023-11-19 16:55:00 +0000 | [diff] [blame] | 292 | * use the provided device tree if not using the built-in fdt |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 293 | */ |
Shantur Rathore | aab9cdb | 2023-11-19 16:55:00 +0000 | [diff] [blame] | 294 | if (bflow->flags & ~BOOTFLOWF_USE_BUILTIN_FDT) |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 295 | fdt = bflow->fdt_addr; |
Shantur Rathore | aab9cdb | 2023-11-19 16:55:00 +0000 | [diff] [blame] | 296 | |
Simon Glass | 56bb4e4 | 2023-01-17 10:47:57 -0700 | [diff] [blame] | 297 | } |
| 298 | |
Simon Glass | fce5777 | 2025-01-23 15:07:23 -0700 | [diff] [blame] | 299 | if (efi_bootflow_run(bflow)) |
| 300 | return log_msg_ret("run", -EINVAL); |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 301 | |
| 302 | return 0; |
| 303 | } |
| 304 | |
| 305 | static int distro_bootmeth_efi_bind(struct udevice *dev) |
| 306 | { |
| 307 | struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev); |
| 308 | |
| 309 | plat->desc = IS_ENABLED(CONFIG_BOOTSTD_FULL) ? |
| 310 | "EFI boot from an .efi file" : "EFI"; |
| 311 | |
| 312 | return 0; |
| 313 | } |
| 314 | |
| 315 | static struct bootmeth_ops distro_efi_bootmeth_ops = { |
| 316 | .check = distro_efi_check, |
| 317 | .read_bootflow = distro_efi_read_bootflow, |
| 318 | .read_file = bootmeth_common_read_file, |
| 319 | .boot = distro_efi_boot, |
| 320 | }; |
| 321 | |
| 322 | static const struct udevice_id distro_efi_bootmeth_ids[] = { |
| 323 | { .compatible = "u-boot,distro-efi" }, |
| 324 | { } |
| 325 | }; |
| 326 | |
Simon Glass | e5cb018 | 2024-07-17 09:30:59 +0100 | [diff] [blame] | 327 | /* Put a number before 'efi' to provide a default ordering */ |
Heinrich Schuchardt | dc1f006 | 2024-04-03 20:34:15 +0200 | [diff] [blame] | 328 | U_BOOT_DRIVER(bootmeth_4efi) = { |
Simon Glass | 66f6255 | 2022-04-24 23:31:17 -0600 | [diff] [blame] | 329 | .name = "bootmeth_efi", |
| 330 | .id = UCLASS_BOOTMETH, |
| 331 | .of_match = distro_efi_bootmeth_ids, |
| 332 | .ops = &distro_efi_bootmeth_ops, |
| 333 | .bind = distro_bootmeth_efi_bind, |
| 334 | }; |