xref: /openbmc/u-boot/tools/imx8image.c (revision 7d2a0534)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2018 NXP
4  *
5  * Peng Fan <peng.fan@nxp.com>
6  */
7 
8 #include "imx8image.h"
9 
10 static int p_idx;
11 static int sector_size;
12 static soc_type_t soc;
13 static int container = -1;
14 static int32_t core_type = CFG_CORE_INVALID;
15 static bool emmc_fastboot;
16 static image_t param_stack[IMG_STACK_SIZE];
17 static uint8_t fuse_version;
18 static uint16_t sw_version;
19 static uint32_t custom_partition;
20 static uint32_t scfw_flags;
21 
22 int imx8image_check_params(struct image_tool_params *params)
23 {
24 	return 0;
25 }
26 
27 static void imx8image_set_header(void *ptr, struct stat *sbuf, int ifd,
28 				 struct image_tool_params *params)
29 {
30 }
31 
32 static void imx8image_print_header(const void *ptr)
33 {
34 }
35 
36 static int imx8image_check_image_types(uint8_t type)
37 {
38 	return (type == IH_TYPE_IMX8IMAGE) ? EXIT_SUCCESS : EXIT_FAILURE;
39 }
40 
41 static table_entry_t imx8image_cmds[] = {
42 	{CMD_BOOT_FROM,         "BOOT_FROM",            "boot command",	      },
43 	{CMD_FUSE_VERSION,      "FUSE_VERSION",         "fuse version",	      },
44 	{CMD_SW_VERSION,        "SW_VERSION",           "sw version",	      },
45 	{CMD_MSG_BLOCK,         "MSG_BLOCK",            "msg block",	      },
46 	{CMD_FILEOFF,           "FILEOFF",              "fileoff",	      },
47 	{CMD_FLAG,              "FLAG",                 "flag",	      },
48 	{CMD_APPEND,            "APPEND",               "append a container", },
49 	{CMD_PARTITION,         "PARTITION",            "new partition",      },
50 	{CMD_SOC_TYPE,          "SOC_TYPE",             "soc type",           },
51 	{CMD_CONTAINER,         "CONTAINER",            "new container",      },
52 	{CMD_IMAGE,             "IMAGE",                "new image",          },
53 	{CMD_DATA,              "DATA",                 "new data",           },
54 	{-1,                    "",                     "",	              },
55 };
56 
57 static table_entry_t imx8image_core_entries[] = {
58 	{CFG_SCU,	"SCU",			"scu core",	},
59 	{CFG_M40,	"M40",			"M4 core 0",	},
60 	{CFG_M41,	"M41",			"M4 core 1",	},
61 	{CFG_A35,	"A35",			"A35 core",	},
62 	{CFG_A53,	"A53",			"A53 core",	},
63 	{CFG_A72,	"A72",			"A72 core",	},
64 	{-1,		"",			"",		},
65 };
66 
67 static table_entry_t imx8image_sector_size[] = {
68 	{0x400,		"sd",			"sd/emmc",},
69 	{0x400,		"emmc_fastboot",	"emmc fastboot",},
70 	{0x400,		"fspi",			"flexspi",	},
71 	{0x1000,	"nand_4k",		"nand 4K",	},
72 	{0x2000,	"nand_8k",		"nand 8K",	},
73 	{0x4000,	"nand_16k",		"nand 16K",	},
74 	{-1,		"",			"Invalid",	},
75 };
76 
77 static void parse_cfg_cmd(image_t *param_stack, int32_t cmd, char *token,
78 			  char *name, int lineno)
79 {
80 	switch (cmd) {
81 	case CMD_BOOT_FROM:
82 		sector_size = get_table_entry_id(imx8image_sector_size,
83 						 "imximage boot option",
84 						 token);
85 		if (!strncmp("emmc_fastboot", token, 13))
86 			emmc_fastboot = true;
87 		break;
88 	case CMD_FUSE_VERSION:
89 		fuse_version = (uint8_t)(strtoll(token, NULL, 0) & 0xFF);
90 		break;
91 	case CMD_SW_VERSION:
92 		sw_version = (uint8_t)(strtoll(token, NULL, 0) & 0xFFFF);
93 		break;
94 	case CMD_FILEOFF:
95 		param_stack[p_idx].option = FILEOFF;
96 		param_stack[p_idx++].dst = (uint32_t)strtoll(token, NULL, 0);
97 		break;
98 	case CMD_MSG_BLOCK:
99 		param_stack[p_idx].option = MSG_BLOCK;
100 		param_stack[p_idx].filename = token;
101 		break;
102 	case CMD_FLAG:
103 		param_stack[p_idx].option = FLAG;
104 		param_stack[p_idx++].entry = (uint32_t)strtoll(token, NULL, 0);
105 		break;
106 	case CMD_APPEND:
107 		param_stack[p_idx].option = APPEND;
108 		param_stack[p_idx++].filename = token;
109 		break;
110 	case CMD_PARTITION:
111 		param_stack[p_idx].option = PARTITION;
112 		param_stack[p_idx++].entry = (uint32_t)strtoll(token, NULL, 0);
113 		break;
114 	case CMD_SOC_TYPE:
115 		if (!strncmp(token, "IMX8QX", 6)) {
116 			soc = QX;
117 		} else if (!strncmp(token, "IMX8QM", 6)) {
118 			soc = QM;
119 		} else {
120 			fprintf(stderr, "Unknown CMD_SOC_TYPE");
121 			exit(EXIT_FAILURE);
122 		}
123 		break;
124 	case CMD_IMAGE:
125 	case CMD_DATA:
126 		core_type = get_table_entry_id(imx8image_core_entries,
127 					       "imx8image core entries",
128 					       token);
129 		if (core_type < 0) {
130 			fprintf(stderr, "Wrong IMAGE core_type %s\n", token);
131 			exit(EXIT_FAILURE);
132 		}
133 		break;
134 	default:
135 		break;
136 	}
137 }
138 
139 static void parse_cfg_fld(image_t *param_stack, int32_t *cmd, char *token,
140 			  char *name, int lineno, int fld)
141 {
142 	switch (fld) {
143 	case CFG_COMMAND:
144 		*cmd = get_table_entry_id(imx8image_cmds, "imx8image cmds",
145 					  token);
146 		if (*cmd < 0) {
147 			fprintf(stderr, "Error: %s[%d] - Invalid command (%s)\n", name, lineno, token);
148 			exit(EXIT_FAILURE);
149 		}
150 
151 		if (*cmd == CMD_CONTAINER) {
152 			fprintf(stdout, "New Container: \t%d\n", ++container);
153 			param_stack[p_idx++].option = NEW_CONTAINER;
154 		}
155 		break;
156 	case CFG_CORE_TYPE:
157 		parse_cfg_cmd(param_stack, *cmd, token, name, lineno);
158 		break;
159 	case CFG_IMAGE_NAME:
160 		if (*cmd == CMD_MSG_BLOCK) {
161 			if (!strncmp(token, "fuse", 4)) {
162 				param_stack[p_idx].ext = SC_R_OTP;
163 			} else if (!strncmp(token, "debug", 5)) {
164 				param_stack[p_idx].ext = SC_R_DEBUG;
165 			} else if (!strncmp(token, "field", 5)) {
166 				param_stack[p_idx].ext = SC_R_ROM_0;
167 			} else {
168 				fprintf(stderr, "MSG type not found %s\n", token);
169 				exit(EXIT_FAILURE);
170 			}
171 			break;
172 		}
173 		switch (core_type) {
174 		case CFG_SCU:
175 			param_stack[p_idx].option = SCFW;
176 			param_stack[p_idx++].filename = token;
177 			break;
178 		case CFG_M40:
179 			param_stack[p_idx].option = M40;
180 			param_stack[p_idx].ext = 0;
181 			param_stack[p_idx].filename = token;
182 			break;
183 		case CFG_M41:
184 			param_stack[p_idx].option = M41;
185 			param_stack[p_idx].ext = 1;
186 			param_stack[p_idx].filename = token;
187 			break;
188 		case CFG_A35:
189 			param_stack[p_idx].ext = CORE_CA35;
190 			param_stack[p_idx].option =
191 				(*cmd == CMD_DATA) ? DATA : AP;
192 			param_stack[p_idx].filename = token;
193 			break;
194 		case CFG_A53:
195 			param_stack[p_idx].ext = CORE_CA53;
196 			param_stack[p_idx].option =
197 				(*cmd == CMD_DATA) ? DATA : AP;
198 			param_stack[p_idx].filename = token;
199 			break;
200 		case CFG_A72:
201 			param_stack[p_idx].ext = CORE_CA72;
202 			param_stack[p_idx].option =
203 				(*cmd == CMD_DATA) ? DATA : AP;
204 			param_stack[p_idx].filename = token;
205 			break;
206 		}
207 		break;
208 	case CFG_LOAD_ADDR:
209 		if (*cmd == CMD_MSG_BLOCK) {
210 			param_stack[p_idx++].entry =
211 				(uint32_t)strtoll(token, NULL, 0);
212 			break;
213 		}
214 		switch (core_type) {
215 		case CFG_SCU:
216 			break;
217 		case CFG_M40:
218 		case CFG_M41:
219 		case CFG_A35:
220 		case CFG_A53:
221 		case CFG_A72:
222 			param_stack[p_idx++].entry =
223 				(uint32_t)strtoll(token, NULL, 0);
224 			break;
225 		}
226 	default:
227 		break;
228 	}
229 }
230 
231 static uint32_t parse_cfg_file(image_t *param_stack, char *name)
232 {
233 	FILE *fd = NULL;
234 	char *line = NULL;
235 	char *token, *saveptr1, *saveptr2;
236 	int lineno = 0;
237 	int fld;
238 	size_t len;
239 	int32_t cmd;
240 
241 	fd = fopen(name, "r");
242 	if (fd == 0) {
243 		fprintf(stderr, "Error: %s - Can't open cfg file\n", name);
244 		exit(EXIT_FAILURE);
245 	}
246 
247 	/*
248 	 * Very simple parsing, line starting with # are comments
249 	 * and are dropped
250 	 */
251 	while ((getline(&line, &len, fd)) > 0) {
252 		lineno++;
253 
254 		token = strtok_r(line, "\r\n", &saveptr1);
255 		if (!token)
256 			continue;
257 
258 		/* Check inside the single line */
259 		for (fld = CFG_COMMAND, cmd = CFG_INVALID,
260 		     line = token; ; line = NULL, fld++) {
261 			token = strtok_r(line, " \t", &saveptr2);
262 			if (!token)
263 				break;
264 
265 			/* Drop all text starting with '#' as comments */
266 			if (token[0] == '#')
267 				break;
268 
269 			parse_cfg_fld(param_stack, &cmd, token, name, lineno,
270 				      fld);
271 		}
272 	}
273 
274 	return 0;
275 }
276 
277 static void check_file(struct stat *sbuf, char *filename)
278 {
279 	int tmp_fd  = open(filename, O_RDONLY | O_BINARY);
280 
281 	if (tmp_fd < 0) {
282 		fprintf(stderr, "%s: Can't open: %s\n",
283 			filename, strerror(errno));
284 		exit(EXIT_FAILURE);
285 	}
286 
287 	if (fstat(tmp_fd, sbuf) < 0) {
288 		fprintf(stderr, "%s: Can't stat: %s\n",
289 			filename, strerror(errno));
290 		exit(EXIT_FAILURE);
291 	}
292 
293 	close(tmp_fd);
294 }
295 
296 static void copy_file_aligned(int ifd, const char *datafile, int offset,
297 			      int align)
298 {
299 	int dfd;
300 	struct stat sbuf;
301 	unsigned char *ptr;
302 	uint8_t zeros[0x4000];
303 	int size;
304 
305 	if (align > 0x4000) {
306 		fprintf(stderr, "Wrong alignment requested %d\n", align);
307 		exit(EXIT_FAILURE);
308 	}
309 
310 	memset(zeros, 0, sizeof(zeros));
311 
312 	dfd = open(datafile, O_RDONLY | O_BINARY);
313 	if (dfd < 0) {
314 		fprintf(stderr, "Can't open %s: %s\n",
315 			datafile, strerror(errno));
316 		exit(EXIT_FAILURE);
317 	}
318 
319 	if (fstat(dfd, &sbuf) < 0) {
320 		fprintf(stderr, "Can't stat %s: %s\n",
321 			datafile, strerror(errno));
322 		exit(EXIT_FAILURE);
323 	}
324 
325 	if (sbuf.st_size == 0)
326 		goto close;
327 
328 	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
329 	if (ptr == MAP_FAILED) {
330 		fprintf(stderr, "Can't read %s: %s\n",
331 			datafile, strerror(errno));
332 		exit(EXIT_FAILURE);
333 	}
334 
335 	size = sbuf.st_size;
336 	lseek(ifd, offset, SEEK_SET);
337 	if (write(ifd, ptr, size) != size) {
338 		fprintf(stderr, "Write error %s\n", strerror(errno));
339 		exit(EXIT_FAILURE);
340 	}
341 
342 	align = ALIGN(size, align) - size;
343 
344 	if (write(ifd, (char *)&zeros, align) != align) {
345 		fprintf(stderr, "Write error: %s\n", strerror(errno));
346 		exit(EXIT_FAILURE);
347 	}
348 
349 	munmap((void *)ptr, sbuf.st_size);
350 close:
351 	close(dfd);
352 }
353 
354 static void copy_file (int ifd, const char *datafile, int pad, int offset)
355 {
356 	int dfd;
357 	struct stat sbuf;
358 	unsigned char *ptr;
359 	int tail;
360 	int zero = 0;
361 	uint8_t zeros[4096];
362 	int size;
363 
364 	memset(zeros, 0, sizeof(zeros));
365 
366 	dfd = open(datafile, O_RDONLY | O_BINARY);
367 	if (dfd < 0) {
368 		fprintf(stderr, "Can't open %s: %s\n",
369 			datafile, strerror(errno));
370 		exit(EXIT_FAILURE);
371 	}
372 
373 	if (fstat(dfd, &sbuf) < 0) {
374 		fprintf(stderr, "Can't stat %s: %s\n",
375 			datafile, strerror(errno));
376 		exit(EXIT_FAILURE);
377 	}
378 
379 	if (sbuf.st_size == 0)
380 		goto close;
381 
382 	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
383 	if (ptr == MAP_FAILED) {
384 		fprintf(stderr, "Can't read %s: %s\n",
385 			datafile, strerror(errno));
386 		exit(EXIT_FAILURE);
387 	}
388 
389 	size = sbuf.st_size;
390 	lseek(ifd, offset, SEEK_SET);
391 	if (write(ifd, ptr, size) != size) {
392 		fprintf(stderr, "Write error %s\n",
393 			strerror(errno));
394 		exit(EXIT_FAILURE);
395 	}
396 
397 	tail = size % 4;
398 	pad = pad - size;
399 	if (pad == 1 && tail != 0) {
400 		if (write(ifd, (char *)&zero, 4 - tail) != 4 - tail) {
401 			fprintf(stderr, "Write error on %s\n",
402 				strerror(errno));
403 			exit(EXIT_FAILURE);
404 		}
405 	} else if (pad > 1) {
406 		while (pad > 0) {
407 			int todo = sizeof(zeros);
408 
409 			if (todo > pad)
410 				todo = pad;
411 			if (write(ifd, (char *)&zeros, todo) != todo) {
412 				fprintf(stderr, "Write error: %s\n",
413 					strerror(errno));
414 				exit(EXIT_FAILURE);
415 			}
416 			pad -= todo;
417 		}
418 	}
419 
420 	munmap((void *)ptr, sbuf.st_size);
421 close:
422 	close(dfd);
423 }
424 
425 uint64_t read_dcd_offset(char *filename)
426 {
427 	int dfd;
428 	struct stat sbuf;
429 	uint8_t *ptr;
430 	uint64_t offset = 0;
431 
432 	dfd = open(filename, O_RDONLY | O_BINARY);
433 	if (dfd < 0) {
434 		fprintf(stderr, "Can't open %s: %s\n", filename, strerror(errno));
435 		exit(EXIT_FAILURE);
436 	}
437 
438 	if (fstat(dfd, &sbuf) < 0) {
439 		fprintf(stderr, "Can't stat %s: %s\n", filename, strerror(errno));
440 		exit(EXIT_FAILURE);
441 	}
442 
443 	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
444 	if (ptr == MAP_FAILED) {
445 		fprintf(stderr, "Can't read %s: %s\n", filename, strerror(errno));
446 		exit(EXIT_FAILURE);
447 	}
448 
449 	offset = *(uint32_t *)(ptr + DCD_ENTRY_ADDR_IN_SCFW);
450 
451 	munmap((void *)ptr, sbuf.st_size);
452 	close(dfd);
453 
454 	return offset;
455 }
456 
457 static void set_image_hash(boot_img_t *img, char *filename, uint32_t hash_type)
458 {
459 	FILE *fp = NULL;
460 	char sha_command[512];
461 	char hash[2 * HASH_MAX_LEN + 1];
462 	int i, ret;
463 
464 	if (img->size == 0)
465 		sprintf(sha_command, "sha%dsum /dev/null", hash_type);
466 	else
467 		sprintf(sha_command, "dd if=/dev/zero of=tmp_pad bs=%d count=1;\
468 			dd if=\'%s\' of=tmp_pad conv=notrunc;\
469 			sha%dsum tmp_pad; rm -f tmp_pad",
470 			img->size, filename, hash_type);
471 
472 	switch (hash_type) {
473 	case HASH_TYPE_SHA_256:
474 		img->hab_flags |= IMG_FLAG_HASH_SHA256;
475 		break;
476 	case HASH_TYPE_SHA_384:
477 		img->hab_flags |= IMG_FLAG_HASH_SHA384;
478 		break;
479 	case HASH_TYPE_SHA_512:
480 		img->hab_flags |= IMG_FLAG_HASH_SHA512;
481 		break;
482 	default:
483 		fprintf(stderr, "Wrong hash type selected (%d) !!!\n\n",
484 			hash_type);
485 		exit(EXIT_FAILURE);
486 		break;
487 	}
488 	memset(img->hash, 0, HASH_MAX_LEN);
489 
490 	fp = popen(sha_command, "r");
491 	if (!fp) {
492 		fprintf(stderr, "Failed to run command hash\n");
493 		exit(EXIT_FAILURE);
494 	}
495 
496 	if (!fgets(hash, hash_type / 4 + 1, fp)) {
497 		fprintf(stderr, "Failed to hash file: %s\n", filename);
498 		exit(EXIT_FAILURE);
499 	}
500 
501 	for (i = 0; i < strlen(hash) / 2; i++) {
502 		ret = sscanf(hash + 2 * i, "%02hhx", &img->hash[i]);
503 		if (ret < 0) {
504 			fprintf(stderr, "Failed sscanf hash: %d\n", ret);
505 			exit(EXIT_FAILURE);
506 		}
507 	}
508 
509 	pclose(fp);
510 }
511 
512 static void set_image_array_entry(flash_header_v3_t *container,
513 				  soc_type_t soc, const image_t *image_stack,
514 				  uint32_t offset, uint32_t size,
515 				  char *tmp_filename, bool dcd_skip)
516 {
517 	uint64_t entry = image_stack->entry;
518 	uint64_t core = image_stack->ext;
519 	uint32_t meta;
520 	char *tmp_name = "";
521 	option_type_t type = image_stack->option;
522 	boot_img_t *img = &container->img[container->num_images];
523 
524 	img->offset = offset;  /* Is re-adjusted later */
525 	img->size = size;
526 
527 	set_image_hash(img, tmp_filename, IMAGE_HASH_ALGO_DEFAULT);
528 
529 	switch (type) {
530 	case SECO:
531 		img->hab_flags |= IMG_TYPE_SECO;
532 		img->hab_flags |= CORE_SECO << BOOT_IMG_FLAGS_CORE_SHIFT;
533 		tmp_name = "SECO";
534 		img->dst = 0x20C00000;
535 		img->entry = 0x20000000;
536 		break;
537 	case AP:
538 		if (soc == QX && core == CORE_CA35) {
539 			meta = IMAGE_A35_DEFAULT_META(custom_partition);
540 		} else if (soc == QM && core == CORE_CA53) {
541 			meta = IMAGE_A53_DEFAULT_META(custom_partition);
542 		} else if (soc == QM && core == CORE_CA72) {
543 			meta = IMAGE_A72_DEFAULT_META(custom_partition);
544 		} else {
545 			fprintf(stderr, "Error: invalid AP core id: %lu\n",
546 				core);
547 			exit(EXIT_FAILURE);
548 		}
549 		img->hab_flags |= IMG_TYPE_EXEC;
550 		/* On B0, only core id = 4 is valid */
551 		img->hab_flags |= CORE_CA53 << BOOT_IMG_FLAGS_CORE_SHIFT;
552 		tmp_name = "AP";
553 		img->dst = entry;
554 		img->entry = entry;
555 		img->meta = meta;
556 		custom_partition = 0;
557 		break;
558 	case M40:
559 	case M41:
560 		if (core == 0) {
561 			core = CORE_CM4_0;
562 			meta = IMAGE_M4_0_DEFAULT_META(custom_partition);
563 		} else if (core == 1) {
564 			core = CORE_CM4_1;
565 			meta = IMAGE_M4_1_DEFAULT_META(custom_partition);
566 		} else {
567 			fprintf(stderr, "Error: invalid m4 core id: %lu\n", core);
568 			exit(EXIT_FAILURE);
569 		}
570 		img->hab_flags |= IMG_TYPE_EXEC;
571 		img->hab_flags |= core << BOOT_IMG_FLAGS_CORE_SHIFT;
572 		tmp_name = "M4";
573 		if ((entry & 0x7) != 0) {
574 			fprintf(stderr, "\n\nWarning: M4 Destination address is not 8 byte aligned\n\n");
575 			exit(EXIT_FAILURE);
576 		}
577 		img->dst = entry;
578 		img->entry = entry;
579 		img->meta = meta;
580 		custom_partition = 0;
581 		break;
582 	case DATA:
583 		img->hab_flags |= IMG_TYPE_DATA;
584 		img->hab_flags |= CORE_CA35 << BOOT_IMG_FLAGS_CORE_SHIFT;
585 		tmp_name = "DATA";
586 		img->dst = entry;
587 		break;
588 	case MSG_BLOCK:
589 		img->hab_flags |= IMG_TYPE_DATA;
590 		img->hab_flags |= CORE_CA35 << BOOT_IMG_FLAGS_CORE_SHIFT;
591 		img->meta = core << BOOT_IMG_META_MU_RID_SHIFT;
592 		tmp_name = "MSG_BLOCK";
593 		img->dst = entry;
594 		break;
595 	case SCFW:
596 		img->hab_flags |= scfw_flags & 0xFFFF0000;
597 		img->hab_flags |= IMG_TYPE_EXEC;
598 		img->hab_flags |= CORE_SC << BOOT_IMG_FLAGS_CORE_SHIFT;
599 		tmp_name = "SCFW";
600 		img->dst = 0x1FFE0000;
601 		img->entry = 0x1FFE0000;
602 
603 		/* Lets add the DCD now */
604 		if (!dcd_skip) {
605 			container->num_images++;
606 			img = &container->img[container->num_images];
607 			img->hab_flags |= IMG_TYPE_DCD_DDR;
608 			img->hab_flags |= CORE_SC << BOOT_IMG_FLAGS_CORE_SHIFT;
609 			set_image_hash(img, "/dev/null",
610 				       IMAGE_HASH_ALGO_DEFAULT);
611 			img->offset = offset + img->size;
612 			img->entry = read_dcd_offset(tmp_filename);
613 			img->dst = img->entry - 1;
614 		}
615 		break;
616 	default:
617 		fprintf(stderr, "unrecognized image type (%d)\n", type);
618 		exit(EXIT_FAILURE);
619 	}
620 
621 	fprintf(stdout, "%s file_offset = 0x%x size = 0x%x\n", tmp_name, offset, size);
622 
623 	container->num_images++;
624 }
625 
626 void set_container(flash_header_v3_t *container,  uint16_t sw_version,
627 		   uint32_t alignment, uint32_t flags, uint16_t fuse_version)
628 {
629 	container->sig_blk_hdr.tag = 0x90;
630 	container->sig_blk_hdr.length = sizeof(sig_blk_hdr_t);
631 	container->sw_version = sw_version;
632 	container->padding = alignment;
633 	container->fuse_version = fuse_version;
634 	container->flags = flags;
635 	fprintf(stdout, "container flags: 0x%x\n", container->flags);
636 }
637 
638 static int get_container_image_start_pos(image_t *image_stack, uint32_t align)
639 {
640 	image_t *img_sp = image_stack;
641 	/*8K total container header*/
642 	int file_off = CONTAINER_IMAGE_ARRAY_START_OFFSET;
643 	FILE *fd = NULL;
644 	flash_header_v3_t header;
645 	int ret;
646 
647 	while (img_sp->option != NO_IMG) {
648 		if (img_sp->option == APPEND) {
649 			fd = fopen(img_sp->filename, "r");
650 			if (!fd) {
651 				fprintf(stderr, "Fail open first container file %s\n", img_sp->filename);
652 				exit(EXIT_FAILURE);
653 			}
654 
655 			ret = fread(&header, sizeof(header), 1, fd);
656 			if (ret != 1)
657 				printf("Failure Read header %d\n", ret);
658 
659 			fclose(fd);
660 
661 			if (header.tag != IVT_HEADER_TAG_B0) {
662 				fprintf(stderr, "header tag missmatched \n");
663 				exit(EXIT_FAILURE);
664 			} else {
665 				file_off +=
666 					header.img[header.num_images - 1].size;
667 				file_off = ALIGN(file_off, align);
668 			}
669 		}
670 
671 		img_sp++;
672 	}
673 
674 	return file_off;
675 }
676 
677 static void set_imx_hdr_v3(imx_header_v3_t *imxhdr, uint32_t cont_id)
678 {
679 	flash_header_v3_t *fhdr_v3 = &imxhdr->fhdr[cont_id];
680 
681 	/* Set magic number, Only >= B0 supported */
682 	fhdr_v3->tag = IVT_HEADER_TAG_B0;
683 	fhdr_v3->version = IVT_VERSION_B0;
684 }
685 
686 static uint8_t *flatten_container_header(imx_header_v3_t *imx_header,
687 					 uint8_t containers_count,
688 					 uint32_t *size_out,
689 					 uint32_t file_offset)
690 {
691 	uint8_t *flat = NULL;
692 	uint8_t *ptr = NULL;
693 	uint16_t size = 0;
694 	int i, j;
695 
696 	/* Compute size of all container headers */
697 	for (i = 0; i < containers_count; i++) {
698 		flash_header_v3_t *container = &imx_header->fhdr[i];
699 
700 		container->sig_blk_offset = HEADER_IMG_ARRAY_OFFSET +
701 			container->num_images * IMG_ARRAY_ENTRY_SIZE;
702 
703 		container->length = HEADER_IMG_ARRAY_OFFSET +
704 			(IMG_ARRAY_ENTRY_SIZE * container->num_images) +
705 			sizeof(sig_blk_hdr_t);
706 
707 		/* Print info needed by CST to sign the container header */
708 		fprintf(stdout, "CST: CONTAINER %d offset: 0x%x\n",
709 			i, file_offset + size);
710 		fprintf(stdout, "CST: CONTAINER %d: Signature Block: offset is at 0x%x\n", i,
711 			file_offset + size + container->length -
712 			SIGNATURE_BLOCK_HEADER_LENGTH);
713 
714 		size += ALIGN(container->length, container->padding);
715 	}
716 
717 	flat = calloc(size, sizeof(uint8_t));
718 	if (!flat) {
719 		fprintf(stderr, "Failed to allocate memory (%d)\n", size);
720 		exit(EXIT_FAILURE);
721 	}
722 
723 	ptr = flat;
724 	*size_out = size;
725 
726 	for (i = 0; i < containers_count; i++) {
727 		flash_header_v3_t *container = &imx_header->fhdr[i];
728 		uint32_t container_start_offset = ptr - flat;
729 
730 		/* Append container header */
731 		append(ptr, container, HEADER_IMG_ARRAY_OFFSET);
732 
733 		/* Adjust images offset to start from container headers start */
734 		for (j = 0; j < container->num_images; j++) {
735 			container->img[j].offset -=
736 				container_start_offset + file_offset;
737 		}
738 		/* Append each image array entry */
739 		for (j = 0; j < container->num_images; j++)
740 			append(ptr, &container->img[j], sizeof(boot_img_t));
741 
742 		append(ptr, &container->sig_blk_hdr, sizeof(sig_blk_hdr_t));
743 
744 		/* Padding for container (if necessary) */
745 		ptr += ALIGN(container->length, container->padding) -
746 			container->length;
747 	}
748 
749 	return flat;
750 }
751 
752 static int build_container(soc_type_t soc, uint32_t sector_size,
753 			   bool emmc_fastboot, image_t *image_stack,
754 			   bool dcd_skip, uint8_t fuse_version,
755 			   uint16_t sw_version, int ofd)
756 {
757 	static imx_header_v3_t imx_header;
758 	image_t *img_sp = image_stack;
759 	int file_off;
760 	uint8_t *tmp;
761 	struct stat sbuf;
762 	char *tmp_filename = NULL;
763 	uint32_t size = 0;
764 	uint32_t file_padding = 0;
765 
766 	int container = -1;
767 	int cont_img_count = 0; /* indexes to arrange the container */
768 
769 	memset((char *)&imx_header, 0, sizeof(imx_header_v3_t));
770 
771 	if (!image_stack) {
772 		fprintf(stderr, "Empty image stack ");
773 		exit(EXIT_FAILURE);
774 	}
775 
776 	if (soc == QX)
777 		fprintf(stdout, "Platform:\ti.MX8QXP B0\n");
778 	else if (soc == QM)
779 		fprintf(stdout, "Platform:\ti.MX8QM B0\n");
780 
781 	set_imx_hdr_v3(&imx_header, 0);
782 	set_imx_hdr_v3(&imx_header, 1);
783 
784 	file_off = get_container_image_start_pos(image_stack, sector_size);
785 	fprintf(stdout, "container image offset (aligned):%x\n", file_off);
786 
787 	/* step through image stack and generate the header */
788 	img_sp = image_stack;
789 
790 	/* stop once we reach null terminator */
791 	while (img_sp->option != NO_IMG) {
792 		switch (img_sp->option) {
793 		case AP:
794 		case M40:
795 		case M41:
796 		case SCFW:
797 		case DATA:
798 		case MSG_BLOCK:
799 			check_file(&sbuf, img_sp->filename);
800 			tmp_filename = img_sp->filename;
801 			set_image_array_entry(&imx_header.fhdr[container],
802 					      soc, img_sp, file_off,
803 					      ALIGN(sbuf.st_size, sector_size),
804 					      tmp_filename, dcd_skip);
805 			img_sp->src = file_off;
806 
807 			file_off += ALIGN(sbuf.st_size, sector_size);
808 			cont_img_count++;
809 			break;
810 
811 		case SECO:
812 			check_file(&sbuf, img_sp->filename);
813 			tmp_filename = img_sp->filename;
814 			set_image_array_entry(&imx_header.fhdr[container],
815 					      soc,
816 					      img_sp,
817 					      file_off,
818 					      sbuf.st_size,
819 					      tmp_filename, dcd_skip);
820 			img_sp->src = file_off;
821 
822 			file_off += sbuf.st_size;
823 			cont_img_count++;
824 			break;
825 
826 		case NEW_CONTAINER:
827 			container++;
828 			set_container(&imx_header.fhdr[container], sw_version,
829 				      CONTAINER_ALIGNMENT,
830 				      CONTAINER_FLAGS_DEFAULT,
831 				      fuse_version);
832 			/* reset img count when moving to new container */
833 			cont_img_count = 0;
834 			scfw_flags = 0;
835 			break;
836 
837 		case APPEND:
838 			/*
839 			 * nothing to do here, the container is appended
840 			 * in the output
841 			 */
842 			break;
843 		case FLAG:
844 			/*
845 			 * override the flags for scfw in current container
846 			 * mask off bottom 16 bits.
847 			 */
848 			scfw_flags = img_sp->entry & 0xFFFF0000;
849 			break;
850 		case FILEOFF:
851 			if (file_off > img_sp->dst) {
852 				fprintf(stderr, "FILEOFF address less than current file offset!!!\n");
853 				exit(EXIT_FAILURE);
854 			}
855 			if (img_sp->dst != ALIGN(img_sp->dst, sector_size)) {
856 				fprintf(stderr, "FILEOFF address is not aligned to sector size!!!\n");
857 				exit(EXIT_FAILURE);
858 			}
859 			file_off = img_sp->dst;
860 			break;
861 		case PARTITION:
862 			/*
863 			 * keep custom partition until next executable image
864 			 * use a global var for default behaviour
865 			 */
866 			custom_partition = img_sp->entry;
867 			break;
868 		default:
869 			fprintf(stderr, "unrecognized option in input stack (%d)\n", img_sp->option);
870 			exit(EXIT_FAILURE);
871 		}
872 		img_sp++; /* advance index */
873 	}
874 
875 	/* Append container (if specified) */
876 	img_sp = image_stack;
877 	do {
878 		if (img_sp->option == APPEND) {
879 			copy_file(ofd, img_sp->filename, 0, 0);
880 			file_padding += FIRST_CONTAINER_HEADER_LENGTH;
881 		}
882 		img_sp++;
883 	} while (img_sp->option != NO_IMG);
884 
885 	/* Add padding or skip appended container */
886 	lseek(ofd, file_padding, SEEK_SET);
887 
888 	/* Note: Image offset are not contained in the image */
889 	tmp = flatten_container_header(&imx_header, container + 1, &size,
890 				       file_padding);
891 	/* Write image header */
892 	if (write(ofd, tmp, size) != size) {
893 		fprintf(stderr, "error writing image hdr\n");
894 		exit(EXIT_FAILURE);
895 	}
896 
897 	/* Clean-up memory used by the headers */
898 	free(tmp);
899 
900 	/*
901 	 * step through the image stack again this time copying
902 	 * images to final bin, stop once we reach null terminator.
903 	 */
904 	img_sp = image_stack;
905 	while (img_sp->option != NO_IMG) {
906 		if (img_sp->option == M40 || img_sp->option == M41 ||
907 		    img_sp->option == AP || img_sp->option == DATA ||
908 		    img_sp->option == SCD || img_sp->option == SCFW ||
909 		    img_sp->option == SECO || img_sp->option == MSG_BLOCK) {
910 			copy_file_aligned(ofd, img_sp->filename, img_sp->src,
911 					  sector_size);
912 		}
913 		img_sp++;
914 	}
915 
916 	return 0;
917 }
918 
919 int imx8image_copy_image(int outfd, struct image_tool_params *mparams)
920 {
921 	image_t *img_sp = param_stack;
922 
923 	/*
924 	 * SECO FW is a container image, this is to calculate the
925 	 * 2nd container offset.
926 	 */
927 	fprintf(stdout, "parsing %s\n", mparams->imagename);
928 	parse_cfg_file(img_sp, mparams->imagename);
929 
930 	if (sector_size == 0) {
931 		fprintf(stderr, "Wrong sector size\n");
932 		exit(EXIT_FAILURE);
933 	}
934 
935 	fprintf(stdout, "CONTAINER Sector size:\t%08x\n", sector_size);
936 	fprintf(stdout, "CONTAINER FUSE VERSION:\t0x%02x\n", fuse_version);
937 	fprintf(stdout, "CONTAINER SW VERSION:\t0x%04x\n", sw_version);
938 
939 	build_container(soc, sector_size, emmc_fastboot,
940 			img_sp, false, fuse_version, sw_version, outfd);
941 
942 	return 0;
943 }
944 
945 /*
946  * imx8image parameters
947  */
948 U_BOOT_IMAGE_TYPE(
949 	imx8image,
950 	"NXP i.MX8 Boot Image support",
951 	0,
952 	NULL,
953 	imx8image_check_params,
954 	NULL,
955 	imx8image_print_header,
956 	imx8image_set_header,
957 	NULL,
958 	imx8image_check_image_types,
959 	NULL,
960 	NULL
961 );
962