xref: /openbmc/u-boot/common/image.c (revision 7e40d0a3)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2008 Semihalf
4  *
5  * (C) Copyright 2000-2006
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  */
8 
9 #ifndef USE_HOSTCC
10 #include <common.h>
11 #include <watchdog.h>
12 
13 #ifdef CONFIG_SHOW_BOOT_PROGRESS
14 #include <status_led.h>
15 #endif
16 
17 #include <rtc.h>
18 
19 #include <environment.h>
20 #include <image.h>
21 #include <mapmem.h>
22 
23 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
24 #include <linux/libfdt.h>
25 #include <fdt_support.h>
26 #include <fpga.h>
27 #include <xilinx.h>
28 #endif
29 
30 #include <u-boot/md5.h>
31 #include <u-boot/sha1.h>
32 #include <linux/errno.h>
33 #include <asm/io.h>
34 
35 #ifdef CONFIG_CMD_BDI
36 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
37 #endif
38 
39 DECLARE_GLOBAL_DATA_PTR;
40 
41 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
42 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
43 						int verify);
44 #endif
45 #else
46 #include "mkimage.h"
47 #include <u-boot/md5.h>
48 #include <time.h>
49 #include <image.h>
50 
51 #ifndef __maybe_unused
52 # define __maybe_unused		/* unimplemented */
53 #endif
54 #endif /* !USE_HOSTCC*/
55 
56 #include <u-boot/crc.h>
57 
58 #ifndef CONFIG_SYS_BARGSIZE
59 #define CONFIG_SYS_BARGSIZE 512
60 #endif
61 
62 static const table_entry_t uimage_arch[] = {
63 	{	IH_ARCH_INVALID,	"invalid",	"Invalid ARCH",	},
64 	{	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
65 	{	IH_ARCH_ARM,		"arm",		"ARM",		},
66 	{	IH_ARCH_I386,		"x86",		"Intel x86",	},
67 	{	IH_ARCH_IA64,		"ia64",		"IA64",		},
68 	{	IH_ARCH_M68K,		"m68k",		"M68K",		},
69 	{	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
70 	{	IH_ARCH_MIPS,		"mips",		"MIPS",		},
71 	{	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
72 	{	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
73 	{	IH_ARCH_PPC,		"powerpc",	"PowerPC",	},
74 	{	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
75 	{	IH_ARCH_S390,		"s390",		"IBM S390",	},
76 	{	IH_ARCH_SH,		"sh",		"SuperH",	},
77 	{	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
78 	{	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
79 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
80 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
81 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
82 	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
83 	{	IH_ARCH_SANDBOX,	"sandbox",	"Sandbox",	},
84 	{	IH_ARCH_ARM64,		"arm64",	"AArch64",	},
85 	{	IH_ARCH_ARC,		"arc",		"ARC",		},
86 	{	IH_ARCH_X86_64,		"x86_64",	"AMD x86_64",	},
87 	{	IH_ARCH_XTENSA,		"xtensa",	"Xtensa",	},
88 	{	IH_ARCH_RISCV,		"riscv",	"RISC-V",	},
89 	{	-1,			"",		"",		},
90 };
91 
92 static const table_entry_t uimage_os[] = {
93 	{	IH_OS_INVALID,	"invalid",	"Invalid OS",		},
94 	{       IH_OS_ARM_TRUSTED_FIRMWARE, "arm-trusted-firmware", "ARM Trusted Firmware"  },
95 	{	IH_OS_LINUX,	"linux",	"Linux",		},
96 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
97 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},
98 #endif
99 	{	IH_OS_NETBSD,	"netbsd",	"NetBSD",		},
100 	{	IH_OS_OSE,	"ose",		"Enea OSE",		},
101 	{	IH_OS_PLAN9,	"plan9",	"Plan 9",		},
102 	{	IH_OS_RTEMS,	"rtems",	"RTEMS",		},
103 	{	IH_OS_TEE,	"tee",		"Trusted Execution Environment" },
104 	{	IH_OS_U_BOOT,	"u-boot",	"U-Boot",		},
105 	{	IH_OS_VXWORKS,	"vxworks",	"VxWorks",		},
106 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
107 	{	IH_OS_QNX,	"qnx",		"QNX",			},
108 #endif
109 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
110 	{	IH_OS_INTEGRITY,"integrity",	"INTEGRITY",		},
111 #endif
112 #ifdef USE_HOSTCC
113 	{	IH_OS_4_4BSD,	"4_4bsd",	"4_4BSD",		},
114 	{	IH_OS_DELL,	"dell",		"Dell",			},
115 	{	IH_OS_ESIX,	"esix",		"Esix",			},
116 	{	IH_OS_FREEBSD,	"freebsd",	"FreeBSD",		},
117 	{	IH_OS_IRIX,	"irix",		"Irix",			},
118 	{	IH_OS_NCR,	"ncr",		"NCR",			},
119 	{	IH_OS_OPENBSD,	"openbsd",	"OpenBSD",		},
120 	{	IH_OS_PSOS,	"psos",		"pSOS",			},
121 	{	IH_OS_SCO,	"sco",		"SCO",			},
122 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
123 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
124 #endif
125 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
126 	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
127 #endif
128 
129 	{	-1,		"",		"",			},
130 };
131 
132 static const table_entry_t uimage_type[] = {
133 	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
134 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
135 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
136 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
137 	{	IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
138 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
139 	{	IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
140 	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
141 	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
142 	{	IH_TYPE_IMX8IMAGE,  "imx8image",  "NXP i.MX8 Boot Image",},
143 	{	IH_TYPE_IMX8MIMAGE, "imx8mimage", "NXP i.MX8M Boot Image",},
144 	{	IH_TYPE_INVALID,    "invalid",	  "Invalid Image",	},
145 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
146 	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
147 	{	IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
148 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
149 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
150 	{	IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SoCFPGA CV/AV preloader",},
151 	{	IH_TYPE_SOCFPGAIMAGE_V1, "socfpgaimage_v1", "Altera SoCFPGA A10 preloader",},
152 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
153 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
154 	{	IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
155 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
156 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
157 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
158 	{	IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
159 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
160 	{	IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
161 	{	IH_TYPE_VYBRIDIMAGE, "vybridimage",  "Vybrid Boot Image", },
162 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
163 	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
164 	{	IH_TYPE_ZYNQMPBIF,  "zynqmpbif",  "Xilinx ZynqMP Boot Image (bif)" },
165 	{	IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
166 	{       IH_TYPE_TEE,        "tee",        "Trusted Execution Environment Image",},
167 	{	IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
168 	{       IH_TYPE_PMMC,        "pmmc",        "TI Power Management Micro-Controller Firmware",},
169 	{	IH_TYPE_STM32IMAGE, "stm32image", "STMicroelectronics STM32 Image" },
170 	{	IH_TYPE_MTKIMAGE,   "mtk_image",   "MediaTek BootROM loadable Image" },
171 	{	-1,		    "",		  "",			},
172 };
173 
174 static const table_entry_t uimage_comp[] = {
175 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
176 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
177 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
178 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
179 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
180 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
181 	{	-1,		"",		"",			},
182 };
183 
184 struct table_info {
185 	const char *desc;
186 	int count;
187 	const table_entry_t *table;
188 };
189 
190 static const struct table_info table_info[IH_COUNT] = {
191 	{ "architecture", IH_ARCH_COUNT, uimage_arch },
192 	{ "compression", IH_COMP_COUNT, uimage_comp },
193 	{ "operating system", IH_OS_COUNT, uimage_os },
194 	{ "image type", IH_TYPE_COUNT, uimage_type },
195 };
196 
197 /*****************************************************************************/
198 /* Legacy format routines */
199 /*****************************************************************************/
image_check_hcrc(const image_header_t * hdr)200 int image_check_hcrc(const image_header_t *hdr)
201 {
202 	ulong hcrc;
203 	ulong len = image_get_header_size();
204 	image_header_t header;
205 
206 	/* Copy header so we can blank CRC field for re-calculation */
207 	memmove(&header, (char *)hdr, image_get_header_size());
208 	image_set_hcrc(&header, 0);
209 
210 	hcrc = crc32(0, (unsigned char *)&header, len);
211 
212 	return (hcrc == image_get_hcrc(hdr));
213 }
214 
image_check_dcrc(const image_header_t * hdr)215 int image_check_dcrc(const image_header_t *hdr)
216 {
217 	ulong data = image_get_data(hdr);
218 	ulong len = image_get_data_size(hdr);
219 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
220 
221 	return (dcrc == image_get_dcrc(hdr));
222 }
223 
224 /**
225  * image_multi_count - get component (sub-image) count
226  * @hdr: pointer to the header of the multi component image
227  *
228  * image_multi_count() returns number of components in a multi
229  * component image.
230  *
231  * Note: no checking of the image type is done, caller must pass
232  * a valid multi component image.
233  *
234  * returns:
235  *     number of components
236  */
image_multi_count(const image_header_t * hdr)237 ulong image_multi_count(const image_header_t *hdr)
238 {
239 	ulong i, count = 0;
240 	uint32_t *size;
241 
242 	/* get start of the image payload, which in case of multi
243 	 * component images that points to a table of component sizes */
244 	size = (uint32_t *)image_get_data(hdr);
245 
246 	/* count non empty slots */
247 	for (i = 0; size[i]; ++i)
248 		count++;
249 
250 	return count;
251 }
252 
253 /**
254  * image_multi_getimg - get component data address and size
255  * @hdr: pointer to the header of the multi component image
256  * @idx: index of the requested component
257  * @data: pointer to a ulong variable, will hold component data address
258  * @len: pointer to a ulong variable, will hold component size
259  *
260  * image_multi_getimg() returns size and data address for the requested
261  * component in a multi component image.
262  *
263  * Note: no checking of the image type is done, caller must pass
264  * a valid multi component image.
265  *
266  * returns:
267  *     data address and size of the component, if idx is valid
268  *     0 in data and len, if idx is out of range
269  */
image_multi_getimg(const image_header_t * hdr,ulong idx,ulong * data,ulong * len)270 void image_multi_getimg(const image_header_t *hdr, ulong idx,
271 			ulong *data, ulong *len)
272 {
273 	int i;
274 	uint32_t *size;
275 	ulong offset, count, img_data;
276 
277 	/* get number of component */
278 	count = image_multi_count(hdr);
279 
280 	/* get start of the image payload, which in case of multi
281 	 * component images that points to a table of component sizes */
282 	size = (uint32_t *)image_get_data(hdr);
283 
284 	/* get address of the proper component data start, which means
285 	 * skipping sizes table (add 1 for last, null entry) */
286 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
287 
288 	if (idx < count) {
289 		*len = uimage_to_cpu(size[idx]);
290 		offset = 0;
291 
292 		/* go over all indices preceding requested component idx */
293 		for (i = 0; i < idx; i++) {
294 			/* add up i-th component size, rounding up to 4 bytes */
295 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
296 		}
297 
298 		/* calculate idx-th component data address */
299 		*data = img_data + offset;
300 	} else {
301 		*len = 0;
302 		*data = 0;
303 	}
304 }
305 
image_print_type(const image_header_t * hdr)306 static void image_print_type(const image_header_t *hdr)
307 {
308 	const char __maybe_unused *os, *arch, *type, *comp;
309 
310 	os = genimg_get_os_name(image_get_os(hdr));
311 	arch = genimg_get_arch_name(image_get_arch(hdr));
312 	type = genimg_get_type_name(image_get_type(hdr));
313 	comp = genimg_get_comp_name(image_get_comp(hdr));
314 
315 	printf("%s %s %s (%s)\n", arch, os, type, comp);
316 }
317 
318 /**
319  * image_print_contents - prints out the contents of the legacy format image
320  * @ptr: pointer to the legacy format image header
321  * @p: pointer to prefix string
322  *
323  * image_print_contents() formats a multi line legacy image contents description.
324  * The routine prints out all header fields followed by the size/offset data
325  * for MULTI/SCRIPT images.
326  *
327  * returns:
328  *     no returned results
329  */
image_print_contents(const void * ptr)330 void image_print_contents(const void *ptr)
331 {
332 	const image_header_t *hdr = (const image_header_t *)ptr;
333 	const char __maybe_unused *p;
334 
335 	p = IMAGE_INDENT_STRING;
336 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
337 	if (IMAGE_ENABLE_TIMESTAMP) {
338 		printf("%sCreated:      ", p);
339 		genimg_print_time((time_t)image_get_time(hdr));
340 	}
341 	printf("%sImage Type:   ", p);
342 	image_print_type(hdr);
343 	printf("%sData Size:    ", p);
344 	genimg_print_size(image_get_data_size(hdr));
345 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
346 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
347 
348 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
349 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
350 		int i;
351 		ulong data, len;
352 		ulong count = image_multi_count(hdr);
353 
354 		printf("%sContents:\n", p);
355 		for (i = 0; i < count; i++) {
356 			image_multi_getimg(hdr, i, &data, &len);
357 
358 			printf("%s   Image %d: ", p, i);
359 			genimg_print_size(len);
360 
361 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
362 				/*
363 				 * the user may need to know offsets
364 				 * if planning to do something with
365 				 * multiple files
366 				 */
367 				printf("%s    Offset = 0x%08lx\n", p, data);
368 			}
369 		}
370 	} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
371 		printf("HAB Blocks:   0x%08x   0x0000   0x%08x\n",
372 				image_get_load(hdr) - image_get_header_size(),
373 				image_get_size(hdr) + image_get_header_size()
374 						- 0x1FE0);
375 	}
376 }
377 
378 
379 #ifndef USE_HOSTCC
380 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
381 /**
382  * image_get_ramdisk - get and verify ramdisk image
383  * @rd_addr: ramdisk image start address
384  * @arch: expected ramdisk architecture
385  * @verify: checksum verification flag
386  *
387  * image_get_ramdisk() returns a pointer to the verified ramdisk image
388  * header. Routine receives image start address and expected architecture
389  * flag. Verification done covers data and header integrity and os/type/arch
390  * fields checking.
391  *
392  * returns:
393  *     pointer to a ramdisk image header, if image was found and valid
394  *     otherwise, return NULL
395  */
image_get_ramdisk(ulong rd_addr,uint8_t arch,int verify)396 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
397 						int verify)
398 {
399 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
400 
401 	if (!image_check_magic(rd_hdr)) {
402 		puts("Bad Magic Number\n");
403 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
404 		return NULL;
405 	}
406 
407 	if (!image_check_hcrc(rd_hdr)) {
408 		puts("Bad Header Checksum\n");
409 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
410 		return NULL;
411 	}
412 
413 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
414 	image_print_contents(rd_hdr);
415 
416 	if (verify) {
417 		puts("   Verifying Checksum ... ");
418 		if (!image_check_dcrc(rd_hdr)) {
419 			puts("Bad Data CRC\n");
420 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
421 			return NULL;
422 		}
423 		puts("OK\n");
424 	}
425 
426 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
427 
428 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
429 	    !image_check_arch(rd_hdr, arch) ||
430 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
431 		printf("No Linux %s Ramdisk Image\n",
432 				genimg_get_arch_name(arch));
433 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
434 		return NULL;
435 	}
436 
437 	return rd_hdr;
438 }
439 #endif
440 #endif /* !USE_HOSTCC */
441 
442 /*****************************************************************************/
443 /* Shared dual-format routines */
444 /*****************************************************************************/
445 #ifndef USE_HOSTCC
446 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
447 ulong save_addr;			/* Default Save Address */
448 ulong save_size;			/* Default Save Size (in bytes) */
449 
on_loadaddr(const char * name,const char * value,enum env_op op,int flags)450 static int on_loadaddr(const char *name, const char *value, enum env_op op,
451 	int flags)
452 {
453 	switch (op) {
454 	case env_op_create:
455 	case env_op_overwrite:
456 		load_addr = simple_strtoul(value, NULL, 16);
457 		break;
458 	default:
459 		break;
460 	}
461 
462 	return 0;
463 }
464 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
465 
env_get_bootm_low(void)466 ulong env_get_bootm_low(void)
467 {
468 	char *s = env_get("bootm_low");
469 	if (s) {
470 		ulong tmp = simple_strtoul(s, NULL, 16);
471 		return tmp;
472 	}
473 
474 #if defined(CONFIG_SYS_SDRAM_BASE)
475 	return CONFIG_SYS_SDRAM_BASE;
476 #elif defined(CONFIG_ARM)
477 	return gd->bd->bi_dram[0].start;
478 #else
479 	return 0;
480 #endif
481 }
482 
env_get_bootm_size(void)483 phys_size_t env_get_bootm_size(void)
484 {
485 	phys_size_t tmp, size;
486 	phys_addr_t start;
487 	char *s = env_get("bootm_size");
488 	if (s) {
489 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
490 		return tmp;
491 	}
492 
493 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
494 	start = gd->bd->bi_dram[0].start;
495 	size = gd->bd->bi_dram[0].size;
496 #else
497 	start = gd->bd->bi_memstart;
498 	size = gd->bd->bi_memsize;
499 #endif
500 
501 	s = env_get("bootm_low");
502 	if (s)
503 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
504 	else
505 		tmp = start;
506 
507 	return size - (tmp - start);
508 }
509 
env_get_bootm_mapsize(void)510 phys_size_t env_get_bootm_mapsize(void)
511 {
512 	phys_size_t tmp;
513 	char *s = env_get("bootm_mapsize");
514 	if (s) {
515 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
516 		return tmp;
517 	}
518 
519 #if defined(CONFIG_SYS_BOOTMAPSZ)
520 	return CONFIG_SYS_BOOTMAPSZ;
521 #else
522 	return env_get_bootm_size();
523 #endif
524 }
525 
memmove_wd(void * to,void * from,size_t len,ulong chunksz)526 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
527 {
528 	if (to == from)
529 		return;
530 
531 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
532 	if (to > from) {
533 		from += len;
534 		to += len;
535 	}
536 	while (len > 0) {
537 		size_t tail = (len > chunksz) ? chunksz : len;
538 		WATCHDOG_RESET();
539 		if (to > from) {
540 			to -= tail;
541 			from -= tail;
542 		}
543 		memmove(to, from, tail);
544 		if (to < from) {
545 			to += tail;
546 			from += tail;
547 		}
548 		len -= tail;
549 	}
550 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
551 	memmove(to, from, len);
552 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
553 }
554 #endif /* !USE_HOSTCC */
555 
genimg_print_size(uint32_t size)556 void genimg_print_size(uint32_t size)
557 {
558 #ifndef USE_HOSTCC
559 	printf("%d Bytes = ", size);
560 	print_size(size, "\n");
561 #else
562 	printf("%d Bytes = %.2f KiB = %.2f MiB\n",
563 			size, (double)size / 1.024e3,
564 			(double)size / 1.048576e6);
565 #endif
566 }
567 
568 #if IMAGE_ENABLE_TIMESTAMP
genimg_print_time(time_t timestamp)569 void genimg_print_time(time_t timestamp)
570 {
571 #ifndef USE_HOSTCC
572 	struct rtc_time tm;
573 
574 	rtc_to_tm(timestamp, &tm);
575 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
576 			tm.tm_year, tm.tm_mon, tm.tm_mday,
577 			tm.tm_hour, tm.tm_min, tm.tm_sec);
578 #else
579 	printf("%s", ctime(&timestamp));
580 #endif
581 }
582 #endif
583 
get_table_entry(const table_entry_t * table,int id)584 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
585 {
586 	for (; table->id >= 0; ++table) {
587 		if (table->id == id)
588 			return table;
589 	}
590 	return NULL;
591 }
592 
unknown_msg(enum ih_category category)593 static const char *unknown_msg(enum ih_category category)
594 {
595 	static const char unknown_str[] = "Unknown ";
596 	static char msg[30];
597 
598 	strcpy(msg, unknown_str);
599 	strncat(msg, table_info[category].desc,
600 		sizeof(msg) - sizeof(unknown_str));
601 
602 	return msg;
603 }
604 
605 /**
606  * get_cat_table_entry_name - translate entry id to long name
607  * @category: category to look up (enum ih_category)
608  * @id: entry id to be translated
609  *
610  * This will scan the translation table trying to find the entry that matches
611  * the given id.
612  *
613  * @retur long entry name if translation succeeds; error string on failure
614  */
genimg_get_cat_name(enum ih_category category,uint id)615 const char *genimg_get_cat_name(enum ih_category category, uint id)
616 {
617 	const table_entry_t *entry;
618 
619 	entry = get_table_entry(table_info[category].table, id);
620 	if (!entry)
621 		return unknown_msg(category);
622 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
623 	return entry->lname;
624 #else
625 	return entry->lname + gd->reloc_off;
626 #endif
627 }
628 
629 /**
630  * get_cat_table_entry_short_name - translate entry id to short name
631  * @category: category to look up (enum ih_category)
632  * @id: entry id to be translated
633  *
634  * This will scan the translation table trying to find the entry that matches
635  * the given id.
636  *
637  * @retur short entry name if translation succeeds; error string on failure
638  */
genimg_get_cat_short_name(enum ih_category category,uint id)639 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
640 {
641 	const table_entry_t *entry;
642 
643 	entry = get_table_entry(table_info[category].table, id);
644 	if (!entry)
645 		return unknown_msg(category);
646 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
647 	return entry->sname;
648 #else
649 	return entry->sname + gd->reloc_off;
650 #endif
651 }
652 
genimg_get_cat_count(enum ih_category category)653 int genimg_get_cat_count(enum ih_category category)
654 {
655 	return table_info[category].count;
656 }
657 
genimg_get_cat_desc(enum ih_category category)658 const char *genimg_get_cat_desc(enum ih_category category)
659 {
660 	return table_info[category].desc;
661 }
662 
663 /**
664  * get_table_entry_name - translate entry id to long name
665  * @table: pointer to a translation table for entries of a specific type
666  * @msg: message to be returned when translation fails
667  * @id: entry id to be translated
668  *
669  * get_table_entry_name() will go over translation table trying to find
670  * entry that matches given id. If matching entry is found, its long
671  * name is returned to the caller.
672  *
673  * returns:
674  *     long entry name if translation succeeds
675  *     msg otherwise
676  */
get_table_entry_name(const table_entry_t * table,char * msg,int id)677 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
678 {
679 	table = get_table_entry(table, id);
680 	if (!table)
681 		return msg;
682 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
683 	return table->lname;
684 #else
685 	return table->lname + gd->reloc_off;
686 #endif
687 }
688 
genimg_get_os_name(uint8_t os)689 const char *genimg_get_os_name(uint8_t os)
690 {
691 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
692 }
693 
genimg_get_arch_name(uint8_t arch)694 const char *genimg_get_arch_name(uint8_t arch)
695 {
696 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
697 					arch));
698 }
699 
genimg_get_type_name(uint8_t type)700 const char *genimg_get_type_name(uint8_t type)
701 {
702 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
703 }
704 
genimg_get_short_name(const table_entry_t * table,int val)705 static const char *genimg_get_short_name(const table_entry_t *table, int val)
706 {
707 	table = get_table_entry(table, val);
708 	if (!table)
709 		return "unknown";
710 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
711 	return table->sname;
712 #else
713 	return table->sname + gd->reloc_off;
714 #endif
715 }
716 
genimg_get_type_short_name(uint8_t type)717 const char *genimg_get_type_short_name(uint8_t type)
718 {
719 	return genimg_get_short_name(uimage_type, type);
720 }
721 
genimg_get_comp_name(uint8_t comp)722 const char *genimg_get_comp_name(uint8_t comp)
723 {
724 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
725 					comp));
726 }
727 
genimg_get_comp_short_name(uint8_t comp)728 const char *genimg_get_comp_short_name(uint8_t comp)
729 {
730 	return genimg_get_short_name(uimage_comp, comp);
731 }
732 
genimg_get_os_short_name(uint8_t os)733 const char *genimg_get_os_short_name(uint8_t os)
734 {
735 	return genimg_get_short_name(uimage_os, os);
736 }
737 
genimg_get_arch_short_name(uint8_t arch)738 const char *genimg_get_arch_short_name(uint8_t arch)
739 {
740 	return genimg_get_short_name(uimage_arch, arch);
741 }
742 
743 /**
744  * get_table_entry_id - translate short entry name to id
745  * @table: pointer to a translation table for entries of a specific type
746  * @table_name: to be used in case of error
747  * @name: entry short name to be translated
748  *
749  * get_table_entry_id() will go over translation table trying to find
750  * entry that matches given short name. If matching entry is found,
751  * its id returned to the caller.
752  *
753  * returns:
754  *     entry id if translation succeeds
755  *     -1 otherwise
756  */
get_table_entry_id(const table_entry_t * table,const char * table_name,const char * name)757 int get_table_entry_id(const table_entry_t *table,
758 		const char *table_name, const char *name)
759 {
760 	const table_entry_t *t;
761 
762 	for (t = table; t->id >= 0; ++t) {
763 #ifdef CONFIG_NEEDS_MANUAL_RELOC
764 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
765 #else
766 		if (t->sname && strcasecmp(t->sname, name) == 0)
767 #endif
768 			return (t->id);
769 	}
770 	debug("Invalid %s Type: %s\n", table_name, name);
771 
772 	return -1;
773 }
774 
genimg_get_os_id(const char * name)775 int genimg_get_os_id(const char *name)
776 {
777 	return (get_table_entry_id(uimage_os, "OS", name));
778 }
779 
genimg_get_arch_id(const char * name)780 int genimg_get_arch_id(const char *name)
781 {
782 	return (get_table_entry_id(uimage_arch, "CPU", name));
783 }
784 
genimg_get_type_id(const char * name)785 int genimg_get_type_id(const char *name)
786 {
787 	return (get_table_entry_id(uimage_type, "Image", name));
788 }
789 
genimg_get_comp_id(const char * name)790 int genimg_get_comp_id(const char *name)
791 {
792 	return (get_table_entry_id(uimage_comp, "Compression", name));
793 }
794 
795 #ifndef USE_HOSTCC
796 /**
797  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
798  *                              FIT strings
799  * @img_addr: a string might contain real image address
800  * @fit_uname_config: double pointer to a char, will hold pointer to a
801  *                    configuration unit name
802  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
803  *                    name
804  *
805  * genimg_get_kernel_addr_fit get the real kernel start address from a string
806  * which is normally the first argv of bootm/bootz
807  *
808  * returns:
809  *     kernel start address
810  */
genimg_get_kernel_addr_fit(char * const img_addr,const char ** fit_uname_config,const char ** fit_uname_kernel)811 ulong genimg_get_kernel_addr_fit(char * const img_addr,
812 			     const char **fit_uname_config,
813 			     const char **fit_uname_kernel)
814 {
815 	ulong kernel_addr;
816 
817 	/* find out kernel image address */
818 	if (!img_addr) {
819 		kernel_addr = load_addr;
820 		debug("*  kernel: default image load address = 0x%08lx\n",
821 		      load_addr);
822 #if CONFIG_IS_ENABLED(FIT)
823 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
824 				  fit_uname_config)) {
825 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
826 		      *fit_uname_config, kernel_addr);
827 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
828 				     fit_uname_kernel)) {
829 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
830 		      *fit_uname_kernel, kernel_addr);
831 #endif
832 	} else {
833 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
834 		debug("*  kernel: cmdline image address = 0x%08lx\n",
835 		      kernel_addr);
836 	}
837 
838 	return kernel_addr;
839 }
840 
841 /**
842  * genimg_get_kernel_addr() is the simple version of
843  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
844  */
genimg_get_kernel_addr(char * const img_addr)845 ulong genimg_get_kernel_addr(char * const img_addr)
846 {
847 	const char *fit_uname_config = NULL;
848 	const char *fit_uname_kernel = NULL;
849 
850 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
851 					  &fit_uname_kernel);
852 }
853 
854 /**
855  * genimg_get_format - get image format type
856  * @img_addr: image start address
857  *
858  * genimg_get_format() checks whether provided address points to a valid
859  * legacy or FIT image.
860  *
861  * New uImage format and FDT blob are based on a libfdt. FDT blob
862  * may be passed directly or embedded in a FIT image. In both situations
863  * genimg_get_format() must be able to dectect libfdt header.
864  *
865  * returns:
866  *     image format type or IMAGE_FORMAT_INVALID if no image is present
867  */
genimg_get_format(const void * img_addr)868 int genimg_get_format(const void *img_addr)
869 {
870 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
871 	const image_header_t *hdr;
872 
873 	hdr = (const image_header_t *)img_addr;
874 	if (image_check_magic(hdr))
875 		return IMAGE_FORMAT_LEGACY;
876 #endif
877 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
878 	if (fdt_check_header(img_addr) == 0)
879 		return IMAGE_FORMAT_FIT;
880 #endif
881 #ifdef CONFIG_ANDROID_BOOT_IMAGE
882 	if (android_image_check_header(img_addr) == 0)
883 		return IMAGE_FORMAT_ANDROID;
884 #endif
885 
886 	return IMAGE_FORMAT_INVALID;
887 }
888 
889 /**
890  * fit_has_config - check if there is a valid FIT configuration
891  * @images: pointer to the bootm command headers structure
892  *
893  * fit_has_config() checks if there is a FIT configuration in use
894  * (if FTI support is present).
895  *
896  * returns:
897  *     0, no FIT support or no configuration found
898  *     1, configuration found
899  */
genimg_has_config(bootm_headers_t * images)900 int genimg_has_config(bootm_headers_t *images)
901 {
902 #if IMAGE_ENABLE_FIT
903 	if (images->fit_uname_cfg)
904 		return 1;
905 #endif
906 	return 0;
907 }
908 
909 /**
910  * boot_get_ramdisk - main ramdisk handling routine
911  * @argc: command argument count
912  * @argv: command argument list
913  * @images: pointer to the bootm images structure
914  * @arch: expected ramdisk architecture
915  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
916  * @rd_end: pointer to a ulong variable, will hold ramdisk end
917  *
918  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
919  * Curently supported are the following ramdisk sources:
920  *      - multicomponent kernel/ramdisk image,
921  *      - commandline provided address of decicated ramdisk image.
922  *
923  * returns:
924  *     0, if ramdisk image was found and valid, or skiped
925  *     rd_start and rd_end are set to ramdisk start/end addresses if
926  *     ramdisk image is found and valid
927  *
928  *     1, if ramdisk image is found but corrupted, or invalid
929  *     rd_start and rd_end are set to 0 if no ramdisk exists
930  */
boot_get_ramdisk(int argc,char * const argv[],bootm_headers_t * images,uint8_t arch,ulong * rd_start,ulong * rd_end)931 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
932 		uint8_t arch, ulong *rd_start, ulong *rd_end)
933 {
934 	ulong rd_addr, rd_load;
935 	ulong rd_data, rd_len;
936 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
937 	const image_header_t *rd_hdr;
938 #endif
939 	void *buf;
940 #ifdef CONFIG_SUPPORT_RAW_INITRD
941 	char *end;
942 #endif
943 #if IMAGE_ENABLE_FIT
944 	const char	*fit_uname_config = images->fit_uname_cfg;
945 	const char	*fit_uname_ramdisk = NULL;
946 	ulong		default_addr;
947 	int		rd_noffset;
948 #endif
949 	const char *select = NULL;
950 
951 	*rd_start = 0;
952 	*rd_end = 0;
953 
954 #ifdef CONFIG_ANDROID_BOOT_IMAGE
955 	/*
956 	 * Look for an Android boot image.
957 	 */
958 	buf = map_sysmem(images->os.start, 0);
959 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
960 		select = argv[0];
961 #endif
962 
963 	if (argc >= 2)
964 		select = argv[1];
965 
966 	/*
967 	 * Look for a '-' which indicates to ignore the
968 	 * ramdisk argument
969 	 */
970 	if (select && strcmp(select, "-") ==  0) {
971 		debug("## Skipping init Ramdisk\n");
972 		rd_len = rd_data = 0;
973 	} else if (select || genimg_has_config(images)) {
974 #if IMAGE_ENABLE_FIT
975 		if (select) {
976 			/*
977 			 * If the init ramdisk comes from the FIT image and
978 			 * the FIT image address is omitted in the command
979 			 * line argument, try to use os FIT image address or
980 			 * default load address.
981 			 */
982 			if (images->fit_uname_os)
983 				default_addr = (ulong)images->fit_hdr_os;
984 			else
985 				default_addr = load_addr;
986 
987 			if (fit_parse_conf(select, default_addr,
988 					   &rd_addr, &fit_uname_config)) {
989 				debug("*  ramdisk: config '%s' from image at "
990 						"0x%08lx\n",
991 						fit_uname_config, rd_addr);
992 			} else if (fit_parse_subimage(select, default_addr,
993 						&rd_addr, &fit_uname_ramdisk)) {
994 				debug("*  ramdisk: subimage '%s' from image at "
995 						"0x%08lx\n",
996 						fit_uname_ramdisk, rd_addr);
997 			} else
998 #endif
999 			{
1000 				rd_addr = simple_strtoul(select, NULL, 16);
1001 				debug("*  ramdisk: cmdline image address = "
1002 						"0x%08lx\n",
1003 						rd_addr);
1004 			}
1005 #if IMAGE_ENABLE_FIT
1006 		} else {
1007 			/* use FIT configuration provided in first bootm
1008 			 * command argument. If the property is not defined,
1009 			 * quit silently.
1010 			 */
1011 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1012 			rd_noffset = fit_get_node_from_config(images,
1013 					FIT_RAMDISK_PROP, rd_addr);
1014 			if (rd_noffset == -ENOENT)
1015 				return 0;
1016 			else if (rd_noffset < 0)
1017 				return 1;
1018 		}
1019 #endif
1020 
1021 		/*
1022 		 * Check if there is an initrd image at the
1023 		 * address provided in the second bootm argument
1024 		 * check image type, for FIT images get FIT node.
1025 		 */
1026 		buf = map_sysmem(rd_addr, 0);
1027 		switch (genimg_get_format(buf)) {
1028 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1029 		case IMAGE_FORMAT_LEGACY:
1030 			printf("## Loading init Ramdisk from Legacy "
1031 					"Image at %08lx ...\n", rd_addr);
1032 
1033 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1034 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1035 							images->verify);
1036 
1037 			if (rd_hdr == NULL)
1038 				return 1;
1039 
1040 			rd_data = image_get_data(rd_hdr);
1041 			rd_len = image_get_data_size(rd_hdr);
1042 			rd_load = image_get_load(rd_hdr);
1043 			break;
1044 #endif
1045 #if IMAGE_ENABLE_FIT
1046 		case IMAGE_FORMAT_FIT:
1047 			rd_noffset = fit_image_load(images,
1048 					rd_addr, &fit_uname_ramdisk,
1049 					&fit_uname_config, arch,
1050 					IH_TYPE_RAMDISK,
1051 					BOOTSTAGE_ID_FIT_RD_START,
1052 					FIT_LOAD_OPTIONAL_NON_ZERO,
1053 					&rd_data, &rd_len);
1054 			if (rd_noffset < 0)
1055 				return 1;
1056 
1057 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1058 			images->fit_uname_rd = fit_uname_ramdisk;
1059 			images->fit_noffset_rd = rd_noffset;
1060 			break;
1061 #endif
1062 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1063 		case IMAGE_FORMAT_ANDROID:
1064 			android_image_get_ramdisk((void *)images->os.start,
1065 				&rd_data, &rd_len);
1066 			break;
1067 #endif
1068 		default:
1069 #ifdef CONFIG_SUPPORT_RAW_INITRD
1070 			end = NULL;
1071 			if (select)
1072 				end = strchr(select, ':');
1073 			if (end) {
1074 				rd_len = simple_strtoul(++end, NULL, 16);
1075 				rd_data = rd_addr;
1076 			} else
1077 #endif
1078 			{
1079 				puts("Wrong Ramdisk Image Format\n");
1080 				rd_data = rd_len = rd_load = 0;
1081 				return 1;
1082 			}
1083 		}
1084 	} else if (images->legacy_hdr_valid &&
1085 			image_check_type(&images->legacy_hdr_os_copy,
1086 						IH_TYPE_MULTI)) {
1087 
1088 		/*
1089 		 * Now check if we have a legacy mult-component image,
1090 		 * get second entry data start address and len.
1091 		 */
1092 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1093 		printf("## Loading init Ramdisk from multi component "
1094 				"Legacy Image at %08lx ...\n",
1095 				(ulong)images->legacy_hdr_os);
1096 
1097 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1098 	} else {
1099 		/*
1100 		 * no initrd image
1101 		 */
1102 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1103 		rd_len = rd_data = 0;
1104 	}
1105 
1106 	if (!rd_data) {
1107 		debug("## No init Ramdisk\n");
1108 	} else {
1109 		*rd_start = rd_data;
1110 		*rd_end = rd_data + rd_len;
1111 	}
1112 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1113 			*rd_start, *rd_end);
1114 
1115 	return 0;
1116 }
1117 
1118 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1119 /**
1120  * boot_ramdisk_high - relocate init ramdisk
1121  * @lmb: pointer to lmb handle, will be used for memory mgmt
1122  * @rd_data: ramdisk data start address
1123  * @rd_len: ramdisk data length
1124  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1125  *      start address (after possible relocation)
1126  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1127  *      end address (after possible relocation)
1128  *
1129  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1130  * variable and if requested ramdisk data is moved to a specified location.
1131  *
1132  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1133  * start/end addresses if ramdisk image start and len were provided,
1134  * otherwise set initrd_start and initrd_end set to zeros.
1135  *
1136  * returns:
1137  *      0 - success
1138  *     -1 - failure
1139  */
boot_ramdisk_high(struct lmb * lmb,ulong rd_data,ulong rd_len,ulong * initrd_start,ulong * initrd_end)1140 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1141 		  ulong *initrd_start, ulong *initrd_end)
1142 {
1143 	char	*s;
1144 	ulong	initrd_high;
1145 	int	initrd_copy_to_ram = 1;
1146 
1147 	s = env_get("initrd_high");
1148 	if (s) {
1149 		/* a value of "no" or a similar string will act like 0,
1150 		 * turning the "load high" feature off. This is intentional.
1151 		 */
1152 		initrd_high = simple_strtoul(s, NULL, 16);
1153 		if (initrd_high == ~0)
1154 			initrd_copy_to_ram = 0;
1155 	} else {
1156 		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
1157 	}
1158 
1159 
1160 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1161 			initrd_high, initrd_copy_to_ram);
1162 
1163 	if (rd_data) {
1164 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1165 			debug("   in-place initrd\n");
1166 			*initrd_start = rd_data;
1167 			*initrd_end = rd_data + rd_len;
1168 			lmb_reserve(lmb, rd_data, rd_len);
1169 		} else {
1170 			if (initrd_high)
1171 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1172 						rd_len, 0x1000, initrd_high);
1173 			else
1174 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1175 								 0x1000);
1176 
1177 			if (*initrd_start == 0) {
1178 				puts("ramdisk - allocation error\n");
1179 				goto error;
1180 			}
1181 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1182 
1183 			*initrd_end = *initrd_start + rd_len;
1184 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1185 					*initrd_start, *initrd_end);
1186 
1187 			memmove_wd((void *)*initrd_start,
1188 					(void *)rd_data, rd_len, CHUNKSZ);
1189 
1190 #ifdef CONFIG_MP
1191 			/*
1192 			 * Ensure the image is flushed to memory to handle
1193 			 * AMP boot scenarios in which we might not be
1194 			 * HW cache coherent
1195 			 */
1196 			flush_cache((unsigned long)*initrd_start,
1197 				    ALIGN(rd_len, ARCH_DMA_MINALIGN));
1198 #endif
1199 			puts("OK\n");
1200 		}
1201 	} else {
1202 		*initrd_start = 0;
1203 		*initrd_end = 0;
1204 	}
1205 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1206 			*initrd_start, *initrd_end);
1207 
1208 	return 0;
1209 
1210 error:
1211 	return -1;
1212 }
1213 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1214 
boot_get_setup(bootm_headers_t * images,uint8_t arch,ulong * setup_start,ulong * setup_len)1215 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1216 		   ulong *setup_start, ulong *setup_len)
1217 {
1218 #if IMAGE_ENABLE_FIT
1219 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1220 #else
1221 	return -ENOENT;
1222 #endif
1223 }
1224 
1225 #if IMAGE_ENABLE_FIT
1226 #if defined(CONFIG_FPGA)
boot_get_fpga(int argc,char * const argv[],bootm_headers_t * images,uint8_t arch,const ulong * ld_start,ulong * const ld_len)1227 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1228 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1229 {
1230 	ulong tmp_img_addr, img_data, img_len;
1231 	void *buf;
1232 	int conf_noffset;
1233 	int fit_img_result;
1234 	const char *uname, *name;
1235 	int err;
1236 	int devnum = 0; /* TODO support multi fpga platforms */
1237 
1238 	/* Check to see if the images struct has a FIT configuration */
1239 	if (!genimg_has_config(images)) {
1240 		debug("## FIT configuration was not specified\n");
1241 		return 0;
1242 	}
1243 
1244 	/*
1245 	 * Obtain the os FIT header from the images struct
1246 	 */
1247 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1248 	buf = map_sysmem(tmp_img_addr, 0);
1249 	/*
1250 	 * Check image type. For FIT images get FIT node
1251 	 * and attempt to locate a generic binary.
1252 	 */
1253 	switch (genimg_get_format(buf)) {
1254 	case IMAGE_FORMAT_FIT:
1255 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1256 
1257 		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
1258 					   NULL);
1259 		if (!uname) {
1260 			debug("## FPGA image is not specified\n");
1261 			return 0;
1262 		}
1263 		fit_img_result = fit_image_load(images,
1264 						tmp_img_addr,
1265 						(const char **)&uname,
1266 						&(images->fit_uname_cfg),
1267 						arch,
1268 						IH_TYPE_FPGA,
1269 						BOOTSTAGE_ID_FPGA_INIT,
1270 						FIT_LOAD_OPTIONAL_NON_ZERO,
1271 						&img_data, &img_len);
1272 
1273 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1274 		      uname, img_data, img_len);
1275 
1276 		if (fit_img_result < 0) {
1277 			/* Something went wrong! */
1278 			return fit_img_result;
1279 		}
1280 
1281 		if (!fpga_is_partial_data(devnum, img_len)) {
1282 			name = "full";
1283 			err = fpga_loadbitstream(devnum, (char *)img_data,
1284 						 img_len, BIT_FULL);
1285 			if (err)
1286 				err = fpga_load(devnum, (const void *)img_data,
1287 						img_len, BIT_FULL);
1288 		} else {
1289 			name = "partial";
1290 			err = fpga_loadbitstream(devnum, (char *)img_data,
1291 						 img_len, BIT_PARTIAL);
1292 			if (err)
1293 				err = fpga_load(devnum, (const void *)img_data,
1294 						img_len, BIT_PARTIAL);
1295 		}
1296 
1297 		if (err)
1298 			return err;
1299 
1300 		printf("   Programming %s bitstream... OK\n", name);
1301 		break;
1302 	default:
1303 		printf("The given image format is not supported (corrupt?)\n");
1304 		return 1;
1305 	}
1306 
1307 	return 0;
1308 }
1309 #endif
1310 
fit_loadable_process(uint8_t img_type,ulong img_data,ulong img_len)1311 static void fit_loadable_process(uint8_t img_type,
1312 				 ulong img_data,
1313 				 ulong img_len)
1314 {
1315 	int i;
1316 	const unsigned int count =
1317 			ll_entry_count(struct fit_loadable_tbl, fit_loadable);
1318 	struct fit_loadable_tbl *fit_loadable_handler =
1319 			ll_entry_start(struct fit_loadable_tbl, fit_loadable);
1320 	/* For each loadable handler */
1321 	for (i = 0; i < count; i++, fit_loadable_handler++)
1322 		/* matching this type */
1323 		if (fit_loadable_handler->type == img_type)
1324 			/* call that handler with this image data */
1325 			fit_loadable_handler->handler(img_data, img_len);
1326 }
1327 
boot_get_loadable(int argc,char * const argv[],bootm_headers_t * images,uint8_t arch,const ulong * ld_start,ulong * const ld_len)1328 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1329 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1330 {
1331 	/*
1332 	 * These variables are used to hold the current image location
1333 	 * in system memory.
1334 	 */
1335 	ulong tmp_img_addr;
1336 	/*
1337 	 * These two variables are requirements for fit_image_load, but
1338 	 * their values are not used
1339 	 */
1340 	ulong img_data, img_len;
1341 	void *buf;
1342 	int loadables_index;
1343 	int conf_noffset;
1344 	int fit_img_result;
1345 	const char *uname;
1346 	uint8_t img_type;
1347 
1348 	/* Check to see if the images struct has a FIT configuration */
1349 	if (!genimg_has_config(images)) {
1350 		debug("## FIT configuration was not specified\n");
1351 		return 0;
1352 	}
1353 
1354 	/*
1355 	 * Obtain the os FIT header from the images struct
1356 	 */
1357 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1358 	buf = map_sysmem(tmp_img_addr, 0);
1359 	/*
1360 	 * Check image type. For FIT images get FIT node
1361 	 * and attempt to locate a generic binary.
1362 	 */
1363 	switch (genimg_get_format(buf)) {
1364 	case IMAGE_FORMAT_FIT:
1365 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1366 
1367 		for (loadables_index = 0;
1368 		     uname = fdt_stringlist_get(buf, conf_noffset,
1369 					FIT_LOADABLE_PROP, loadables_index,
1370 					NULL), uname;
1371 		     loadables_index++)
1372 		{
1373 			fit_img_result = fit_image_load(images,
1374 				tmp_img_addr,
1375 				&uname,
1376 				&(images->fit_uname_cfg), arch,
1377 				IH_TYPE_LOADABLE,
1378 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1379 				FIT_LOAD_OPTIONAL_NON_ZERO,
1380 				&img_data, &img_len);
1381 			if (fit_img_result < 0) {
1382 				/* Something went wrong! */
1383 				return fit_img_result;
1384 			}
1385 
1386 			fit_img_result = fit_image_get_node(buf, uname);
1387 			if (fit_img_result < 0) {
1388 				/* Something went wrong! */
1389 				return fit_img_result;
1390 			}
1391 			fit_img_result = fit_image_get_type(buf,
1392 							    fit_img_result,
1393 							    &img_type);
1394 			if (fit_img_result < 0) {
1395 				/* Something went wrong! */
1396 				return fit_img_result;
1397 			}
1398 
1399 			fit_loadable_process(img_type, img_data, img_len);
1400 		}
1401 		break;
1402 	default:
1403 		printf("The given image format is not supported (corrupt?)\n");
1404 		return 1;
1405 	}
1406 
1407 	return 0;
1408 }
1409 #endif
1410 
1411 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1412 /**
1413  * boot_get_cmdline - allocate and initialize kernel cmdline
1414  * @lmb: pointer to lmb handle, will be used for memory mgmt
1415  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1416  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1417  *
1418  * boot_get_cmdline() allocates space for kernel command line below
1419  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
1420  * variable is present its contents is copied to allocated kernel
1421  * command line.
1422  *
1423  * returns:
1424  *      0 - success
1425  *     -1 - failure
1426  */
boot_get_cmdline(struct lmb * lmb,ulong * cmd_start,ulong * cmd_end)1427 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1428 {
1429 	char *cmdline;
1430 	char *s;
1431 
1432 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1433 				env_get_bootm_mapsize() + env_get_bootm_low());
1434 
1435 	if (cmdline == NULL)
1436 		return -1;
1437 
1438 	s = env_get("bootargs");
1439 	if (!s)
1440 		s = "";
1441 
1442 	strcpy(cmdline, s);
1443 
1444 	*cmd_start = (ulong) & cmdline[0];
1445 	*cmd_end = *cmd_start + strlen(cmdline);
1446 
1447 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1448 
1449 	return 0;
1450 }
1451 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1452 
1453 #ifdef CONFIG_SYS_BOOT_GET_KBD
1454 /**
1455  * boot_get_kbd - allocate and initialize kernel copy of board info
1456  * @lmb: pointer to lmb handle, will be used for memory mgmt
1457  * @kbd: double pointer to board info data
1458  *
1459  * boot_get_kbd() allocates space for kernel copy of board info data below
1460  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
1461  * with the current u-boot board info data.
1462  *
1463  * returns:
1464  *      0 - success
1465  *     -1 - failure
1466  */
boot_get_kbd(struct lmb * lmb,bd_t ** kbd)1467 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1468 {
1469 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1470 				env_get_bootm_mapsize() + env_get_bootm_low());
1471 	if (*kbd == NULL)
1472 		return -1;
1473 
1474 	**kbd = *(gd->bd);
1475 
1476 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1477 
1478 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1479 	do_bdinfo(NULL, 0, 0, NULL);
1480 #endif
1481 
1482 	return 0;
1483 }
1484 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1485 
1486 #ifdef CONFIG_LMB
image_setup_linux(bootm_headers_t * images)1487 int image_setup_linux(bootm_headers_t *images)
1488 {
1489 	ulong of_size = images->ft_len;
1490 	char **of_flat_tree = &images->ft_addr;
1491 	struct lmb *lmb = &images->lmb;
1492 	int ret;
1493 
1494 	if (IMAGE_ENABLE_OF_LIBFDT)
1495 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1496 
1497 	if (IMAGE_BOOT_GET_CMDLINE) {
1498 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1499 				&images->cmdline_end);
1500 		if (ret) {
1501 			puts("ERROR with allocation of cmdline\n");
1502 			return ret;
1503 		}
1504 	}
1505 
1506 	if (IMAGE_ENABLE_OF_LIBFDT) {
1507 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1508 		if (ret)
1509 			return ret;
1510 	}
1511 
1512 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1513 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1514 		if (ret)
1515 			return ret;
1516 	}
1517 
1518 	return 0;
1519 }
1520 #endif /* CONFIG_LMB */
1521 #endif /* !USE_HOSTCC */
1522