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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * (C) Copyright 2014
4 * NVIDIA Corporation <www.nvidia.com>
5 *
6 * Copyright 2014 Red Hat, Inc.
7 */
8
9 #ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
10 #define _CONFIG_CMD_DISTRO_BOOTCMD_H
11
12 /*
13 * A note on error handling: It is possible for BOOT_TARGET_DEVICES to
14 * reference a device that is not enabled in the U-Boot configuration, e.g.
15 * it may include MMC in the list without CONFIG_CMD_MMC being enabled. Given
16 * that BOOT_TARGET_DEVICES is a macro that's expanded by the C pre-processor
17 * at compile time, it's not possible to detect and report such problems via
18 * a simple #ifdef/#error combination. Still, the code needs to report errors.
19 * The best way I've found to do this is to make BOOT_TARGET_DEVICES expand to
20 * reference a non-existent symbol, and have the name of that symbol encode
21 * the error message. Consequently, this file contains references to e.g.
22 * BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC. Given the
23 * prevalence of capitals here, this looks like a pre-processor macro and
24 * hence seems like it should be all capitals, but it's really an error
25 * message that includes some other pre-processor symbols in the text.
26 */
27
28 #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
29 "if " #devtypel " dev ${devnum}; then " \
30 "devtype=" #devtypel "; " \
31 "run scan_dev_for_boot_part; " \
32 "fi\0"
33
34 #define BOOTENV_SHARED_BLKDEV(devtypel) \
35 #devtypel "_boot=" \
36 BOOTENV_SHARED_BLKDEV_BODY(devtypel)
37
38 #define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
39 "bootcmd_" #devtypel #instance "=" \
40 "devnum=" #instance "; " \
41 "run " #devtypel "_boot\0"
42
43 #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
44 #devtypel #instance " "
45
46 #ifdef CONFIG_SANDBOX
47 #define BOOTENV_SHARED_HOST BOOTENV_SHARED_BLKDEV(host)
48 #define BOOTENV_DEV_HOST BOOTENV_DEV_BLKDEV
49 #define BOOTENV_DEV_NAME_HOST BOOTENV_DEV_NAME_BLKDEV
50 #else
51 #define BOOTENV_SHARED_HOST
52 #define BOOTENV_DEV_HOST \
53 BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
54 #define BOOTENV_DEV_NAME_HOST \
55 BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
56 #endif
57
58 #ifdef CONFIG_CMD_MMC
59 #define BOOTENV_SHARED_MMC BOOTENV_SHARED_BLKDEV(mmc)
60 #define BOOTENV_DEV_MMC BOOTENV_DEV_BLKDEV
61 #define BOOTENV_DEV_NAME_MMC BOOTENV_DEV_NAME_BLKDEV
62 #else
63 #define BOOTENV_SHARED_MMC
64 #define BOOTENV_DEV_MMC \
65 BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
66 #define BOOTENV_DEV_NAME_MMC \
67 BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
68 #endif
69
70 #ifdef CONFIG_CMD_UBIFS
71 #define BOOTENV_SHARED_UBIFS \
72 "ubifs_boot=" \
73 "env exists bootubipart || " \
74 "env set bootubipart UBI; " \
75 "env exists bootubivol || " \
76 "env set bootubivol boot; " \
77 "if ubi part ${bootubipart} && " \
78 "ubifsmount ubi${devnum}:${bootubivol}; " \
79 "then " \
80 "devtype=ubi; " \
81 "run scan_dev_for_boot; " \
82 "fi\0"
83 #define BOOTENV_DEV_UBIFS BOOTENV_DEV_BLKDEV
84 #define BOOTENV_DEV_NAME_UBIFS BOOTENV_DEV_NAME_BLKDEV
85 #else
86 #define BOOTENV_SHARED_UBIFS
87 #define BOOTENV_DEV_UBIFS \
88 BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
89 #define BOOTENV_DEV_NAME_UBIFS \
90 BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
91 #endif
92
93 #ifdef CONFIG_EFI_LOADER
94 #if defined(CONFIG_ARM64)
95 #define BOOTEFI_NAME "bootaa64.efi"
96 #elif defined(CONFIG_ARM)
97 #define BOOTEFI_NAME "bootarm.efi"
98 #elif defined(CONFIG_X86_RUN_32BIT)
99 #define BOOTEFI_NAME "bootia32.efi"
100 #elif defined(CONFIG_X86_RUN_64BIT)
101 #define BOOTEFI_NAME "bootx64.efi"
102 #elif defined(CONFIG_ARCH_RV32I)
103 #define BOOTEFI_NAME "bootriscv32.efi"
104 #elif defined(CONFIG_ARCH_RV64I)
105 #define BOOTEFI_NAME "bootriscv64.efi"
106 #endif
107 #endif
108
109 #ifdef BOOTEFI_NAME
110 #if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
111 /*
112 * On 32bit ARM systems there is a reasonable number of systems that follow
113 * the $soc-$board$boardver.dtb name scheme for their device trees. Use that
114 * scheme if we don't have an explicit fdtfile variable.
115 */
116 #define BOOTENV_EFI_SET_FDTFILE_FALLBACK \
117 "if test -z \"${fdtfile}\" -a -n \"${soc}\"; then " \
118 "setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; " \
119 "fi; "
120 #else
121 #define BOOTENV_EFI_SET_FDTFILE_FALLBACK
122 #endif
123
124
125 #define BOOTENV_SHARED_EFI \
126 "boot_efi_binary=" \
127 "if fdt addr ${fdt_addr_r}; then " \
128 "bootefi bootmgr ${fdt_addr_r};" \
129 "else " \
130 "bootefi bootmgr ${fdtcontroladdr};" \
131 "fi;" \
132 "load ${devtype} ${devnum}:${distro_bootpart} " \
133 "${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; " \
134 "if fdt addr ${fdt_addr_r}; then " \
135 "bootefi ${kernel_addr_r} ${fdt_addr_r};" \
136 "else " \
137 "bootefi ${kernel_addr_r} ${fdtcontroladdr};" \
138 "fi\0" \
139 \
140 "load_efi_dtb=" \
141 "load ${devtype} ${devnum}:${distro_bootpart} " \
142 "${fdt_addr_r} ${prefix}${efi_fdtfile}\0" \
143 \
144 "efi_dtb_prefixes=/ /dtb/ /dtb/current/\0" \
145 "scan_dev_for_efi=" \
146 "setenv efi_fdtfile ${fdtfile}; " \
147 BOOTENV_EFI_SET_FDTFILE_FALLBACK \
148 "for prefix in ${efi_dtb_prefixes}; do " \
149 "if test -e ${devtype} " \
150 "${devnum}:${distro_bootpart} " \
151 "${prefix}${efi_fdtfile}; then " \
152 "run load_efi_dtb; " \
153 "fi;" \
154 "done;" \
155 "if test -e ${devtype} ${devnum}:${distro_bootpart} " \
156 "efi/boot/"BOOTEFI_NAME"; then " \
157 "echo Found EFI removable media binary " \
158 "efi/boot/"BOOTEFI_NAME"; " \
159 "run boot_efi_binary; " \
160 "echo EFI LOAD FAILED: continuing...; " \
161 "fi; " \
162 "setenv efi_fdtfile\0"
163 #define SCAN_DEV_FOR_EFI "run scan_dev_for_efi;"
164 #else
165 #define BOOTENV_SHARED_EFI
166 #define SCAN_DEV_FOR_EFI
167 #endif
168
169 #ifdef CONFIG_SATA
170 #define BOOTENV_SHARED_SATA BOOTENV_SHARED_BLKDEV(sata)
171 #define BOOTENV_DEV_SATA BOOTENV_DEV_BLKDEV
172 #define BOOTENV_DEV_NAME_SATA BOOTENV_DEV_NAME_BLKDEV
173 #else
174 #define BOOTENV_SHARED_SATA
175 #define BOOTENV_DEV_SATA \
176 BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_SATA
177 #define BOOTENV_DEV_NAME_SATA \
178 BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_SATA
179 #endif
180
181 #ifdef CONFIG_NVME
182 #define BOOTENV_RUN_NVME_INIT "run nvme_init; "
183 #define BOOTENV_SET_NVME_NEED_INIT "setenv nvme_need_init; "
184 #define BOOTENV_SHARED_NVME \
185 "nvme_init=" \
186 "if ${nvme_need_init}; then " \
187 "setenv nvme_need_init false; " \
188 "nvme scan; " \
189 "fi\0" \
190 \
191 "nvme_boot=" \
192 BOOTENV_RUN_NVME_INIT \
193 BOOTENV_SHARED_BLKDEV_BODY(nvme)
194 #define BOOTENV_DEV_NVME BOOTENV_DEV_BLKDEV
195 #define BOOTENV_DEV_NAME_NVME BOOTENV_DEV_NAME_BLKDEV
196 #else
197 #define BOOTENV_RUN_NVME_INIT
198 #define BOOTENV_SET_NVME_NEED_INIT
199 #define BOOTENV_SHARED_NVME
200 #define BOOTENV_DEV_NVME \
201 BOOT_TARGET_DEVICES_references_NVME_without_CONFIG_NVME
202 #define BOOTENV_DEV_NAME_NVME \
203 BOOT_TARGET_DEVICES_references_NVME_without_CONFIG_NVME
204 #endif
205
206 #ifdef CONFIG_SCSI
207 #define BOOTENV_RUN_SCSI_INIT "run scsi_init; "
208 #define BOOTENV_SET_SCSI_NEED_INIT "scsi_need_init=; "
209 #define BOOTENV_SHARED_SCSI \
210 "scsi_init=" \
211 "if ${scsi_need_init}; then " \
212 "scsi_need_init=false; " \
213 "scsi scan; " \
214 "fi\0" \
215 \
216 "scsi_boot=" \
217 BOOTENV_RUN_SCSI_INIT \
218 BOOTENV_SHARED_BLKDEV_BODY(scsi)
219 #define BOOTENV_DEV_SCSI BOOTENV_DEV_BLKDEV
220 #define BOOTENV_DEV_NAME_SCSI BOOTENV_DEV_NAME_BLKDEV
221 #else
222 #define BOOTENV_RUN_SCSI_INIT
223 #define BOOTENV_SET_SCSI_NEED_INIT
224 #define BOOTENV_SHARED_SCSI
225 #define BOOTENV_DEV_SCSI \
226 BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_SCSI
227 #define BOOTENV_DEV_NAME_SCSI \
228 BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_SCSI
229 #endif
230
231 #ifdef CONFIG_IDE
232 #define BOOTENV_SHARED_IDE BOOTENV_SHARED_BLKDEV(ide)
233 #define BOOTENV_DEV_IDE BOOTENV_DEV_BLKDEV
234 #define BOOTENV_DEV_NAME_IDE BOOTENV_DEV_NAME_BLKDEV
235 #else
236 #define BOOTENV_SHARED_IDE
237 #define BOOTENV_DEV_IDE \
238 BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_IDE
239 #define BOOTENV_DEV_NAME_IDE \
240 BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_IDE
241 #endif
242
243 #if defined(CONFIG_DM_PCI)
244 #define BOOTENV_RUN_NET_PCI_ENUM "run boot_net_pci_enum; "
245 #define BOOTENV_SHARED_PCI \
246 "boot_net_pci_enum=pci enum\0"
247 #else
248 #define BOOTENV_RUN_NET_PCI_ENUM
249 #define BOOTENV_SHARED_PCI
250 #endif
251
252 #ifdef CONFIG_CMD_USB
253 #define BOOTENV_RUN_NET_USB_START "run boot_net_usb_start; "
254 #define BOOTENV_SHARED_USB \
255 "boot_net_usb_start=usb start\0" \
256 "usb_boot=" \
257 "usb start; " \
258 BOOTENV_SHARED_BLKDEV_BODY(usb)
259 #define BOOTENV_DEV_USB BOOTENV_DEV_BLKDEV
260 #define BOOTENV_DEV_NAME_USB BOOTENV_DEV_NAME_BLKDEV
261 #else
262 #define BOOTENV_RUN_NET_USB_START
263 #define BOOTENV_SHARED_USB
264 #define BOOTENV_DEV_USB \
265 BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
266 #define BOOTENV_DEV_NAME_USB \
267 BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
268 #endif
269
270 #ifdef CONFIG_CMD_VIRTIO
271 #define BOOTENV_SHARED_VIRTIO BOOTENV_SHARED_BLKDEV(virtio)
272 #define BOOTENV_DEV_VIRTIO BOOTENV_DEV_BLKDEV
273 #define BOOTENV_DEV_NAME_VIRTIO BOOTENV_DEV_NAME_BLKDEV
274 #else
275 #define BOOTENV_SHARED_VIRTIO
276 #define BOOTENV_DEV_VIRTIO \
277 BOOT_TARGET_DEVICES_references_VIRTIO_without_CONFIG_CMD_VIRTIO
278 #define BOOTENV_DEV_NAME_VIRTIO \
279 BOOT_TARGET_DEVICES_references_VIRTIO_without_CONFIG_CMD_VIRTIO
280 #endif
281
282 #if defined(CONFIG_CMD_DHCP)
283 #if defined(CONFIG_EFI_LOADER)
284 /* http://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml */
285 #if defined(CONFIG_ARM64) || defined(__aarch64__)
286 #define BOOTENV_EFI_PXE_ARCH "0xb"
287 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00011:UNDI:003000"
288 #elif defined(CONFIG_ARM) || defined(__arm__)
289 #define BOOTENV_EFI_PXE_ARCH "0xa"
290 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00010:UNDI:003000"
291 #elif defined(CONFIG_X86) || defined(__x86_64__)
292 #define BOOTENV_EFI_PXE_ARCH "0x7"
293 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00007:UNDI:003000"
294 #elif defined(__i386__)
295 #define BOOTENV_EFI_PXE_ARCH "0x6"
296 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00006:UNDI:003000"
297 #elif defined(CONFIG_ARCH_RV32I) || ((defined(__riscv) && __riscv_xlen == 32))
298 #define BOOTENV_EFI_PXE_ARCH "0x19"
299 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00025:UNDI:003000"
300 #elif defined(CONFIG_ARCH_RV64I) || ((defined(__riscv) && __riscv_xlen == 64))
301 #define BOOTENV_EFI_PXE_ARCH "0x1b"
302 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00027:UNDI:003000"
303 #elif defined(CONFIG_SANDBOX)
304 # error "sandbox EFI support is only supported on ARM and x86"
305 #else
306 #error Please specify an EFI client identifier
307 #endif
308
309 /*
310 * Ask the dhcp server for an EFI binary. If we get one, check for a
311 * device tree in the same folder. Then boot everything. If the file was
312 * not an EFI binary, we just return from the bootefi command and continue.
313 */
314 #define BOOTENV_EFI_RUN_DHCP \
315 "setenv efi_fdtfile ${fdtfile}; " \
316 BOOTENV_EFI_SET_FDTFILE_FALLBACK \
317 "setenv efi_old_vci ${bootp_vci};" \
318 "setenv efi_old_arch ${bootp_arch};" \
319 "setenv bootp_vci " BOOTENV_EFI_PXE_VCI ";" \
320 "setenv bootp_arch " BOOTENV_EFI_PXE_ARCH ";" \
321 "if dhcp ${kernel_addr_r}; then " \
322 "tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};" \
323 "if fdt addr ${fdt_addr_r}; then " \
324 "bootefi ${kernel_addr_r} ${fdt_addr_r}; " \
325 "else " \
326 "bootefi ${kernel_addr_r} ${fdtcontroladdr};" \
327 "fi;" \
328 "fi;" \
329 "setenv bootp_vci ${efi_old_vci};" \
330 "setenv bootp_arch ${efi_old_arch};" \
331 "setenv efi_fdtfile;" \
332 "setenv efi_old_arch;" \
333 "setenv efi_old_vci;"
334 #else
335 #define BOOTENV_EFI_RUN_DHCP
336 #endif
337 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
338 "bootcmd_dhcp=" \
339 BOOTENV_RUN_NET_USB_START \
340 BOOTENV_RUN_NET_PCI_ENUM \
341 "if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
342 "source ${scriptaddr}; " \
343 "fi;" \
344 BOOTENV_EFI_RUN_DHCP \
345 "\0"
346 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
347 "dhcp "
348 #else
349 #define BOOTENV_DEV_DHCP \
350 BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
351 #define BOOTENV_DEV_NAME_DHCP \
352 BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
353 #endif
354
355 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
356 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
357 "bootcmd_pxe=" \
358 BOOTENV_RUN_NET_USB_START \
359 BOOTENV_RUN_NET_PCI_ENUM \
360 "dhcp; " \
361 "if pxe get; then " \
362 "pxe boot; " \
363 "fi\0"
364 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
365 "pxe "
366 #else
367 #define BOOTENV_DEV_PXE \
368 BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
369 #define BOOTENV_DEV_NAME_PXE \
370 BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
371 #endif
372
373 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
374 BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
375 #define BOOTENV_BOOT_TARGETS \
376 "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
377
378 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
379 BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
380 #define BOOTENV \
381 BOOTENV_SHARED_HOST \
382 BOOTENV_SHARED_MMC \
383 BOOTENV_SHARED_PCI \
384 BOOTENV_SHARED_USB \
385 BOOTENV_SHARED_SATA \
386 BOOTENV_SHARED_SCSI \
387 BOOTENV_SHARED_NVME \
388 BOOTENV_SHARED_IDE \
389 BOOTENV_SHARED_UBIFS \
390 BOOTENV_SHARED_EFI \
391 BOOTENV_SHARED_VIRTIO \
392 "boot_prefixes=/ /boot/\0" \
393 "boot_scripts=boot.scr.uimg boot.scr\0" \
394 "boot_script_dhcp=boot.scr.uimg\0" \
395 BOOTENV_BOOT_TARGETS \
396 \
397 "boot_syslinux_conf=extlinux/extlinux.conf\0" \
398 "boot_extlinux=" \
399 "sysboot ${devtype} ${devnum}:${distro_bootpart} any " \
400 "${scriptaddr} ${prefix}${boot_syslinux_conf}\0" \
401 \
402 "scan_dev_for_extlinux=" \
403 "if test -e ${devtype} " \
404 "${devnum}:${distro_bootpart} " \
405 "${prefix}${boot_syslinux_conf}; then " \
406 "echo Found ${prefix}${boot_syslinux_conf}; " \
407 "run boot_extlinux; " \
408 "echo SCRIPT FAILED: continuing...; " \
409 "fi\0" \
410 \
411 "boot_a_script=" \
412 "load ${devtype} ${devnum}:${distro_bootpart} " \
413 "${scriptaddr} ${prefix}${script}; " \
414 "source ${scriptaddr}\0" \
415 \
416 "scan_dev_for_scripts=" \
417 "for script in ${boot_scripts}; do " \
418 "if test -e ${devtype} " \
419 "${devnum}:${distro_bootpart} " \
420 "${prefix}${script}; then " \
421 "echo Found U-Boot script " \
422 "${prefix}${script}; " \
423 "run boot_a_script; " \
424 "echo SCRIPT FAILED: continuing...; " \
425 "fi; " \
426 "done\0" \
427 \
428 "scan_dev_for_boot=" \
429 "echo Scanning ${devtype} " \
430 "${devnum}:${distro_bootpart}...; " \
431 "for prefix in ${boot_prefixes}; do " \
432 "run scan_dev_for_extlinux; " \
433 "run scan_dev_for_scripts; " \
434 "done;" \
435 SCAN_DEV_FOR_EFI \
436 "\0" \
437 \
438 "scan_dev_for_boot_part=" \
439 "part list ${devtype} ${devnum} -bootable devplist; " \
440 "env exists devplist || setenv devplist 1; " \
441 "for distro_bootpart in ${devplist}; do " \
442 "if fstype ${devtype} " \
443 "${devnum}:${distro_bootpart} " \
444 "bootfstype; then " \
445 "run scan_dev_for_boot; " \
446 "fi; " \
447 "done; " \
448 "setenv devplist\0" \
449 \
450 BOOT_TARGET_DEVICES(BOOTENV_DEV) \
451 \
452 "distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT \
453 BOOTENV_SET_NVME_NEED_INIT \
454 "for target in ${boot_targets}; do " \
455 "run bootcmd_${target}; " \
456 "done\0"
457
458 #ifndef CONFIG_BOOTCOMMAND
459 #define CONFIG_BOOTCOMMAND "run distro_bootcmd"
460 #endif
461
462 #endif /* _CONFIG_CMD_DISTRO_BOOTCMD_H */