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 <bootstage.h>
12 #include <cpu_func.h>
13 #include <env.h>
14 #include <lmb.h>
15 #include <log.h>
16 #include <malloc.h>
17 #include <asm/cache.h>
18 #include <u-boot/crc.h>
19 #include <watchdog.h>
20 
21 #ifdef CONFIG_SHOW_BOOT_PROGRESS
22 #include <status_led.h>
23 #endif
24 
25 #include <rtc.h>
26 
27 #include <gzip.h>
28 #include <image.h>
29 #include <lz4.h>
30 #include <mapmem.h>
31 
32 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
33 #include <linux/libfdt.h>
34 #include <fdt_support.h>
35 #include <fpga.h>
36 #include <xilinx.h>
37 #endif
38 
39 #include <asm/global_data.h>
40 #include <u-boot/md5.h>
41 #include <u-boot/sha1.h>
42 #include <linux/errno.h>
43 #include <asm/io.h>
44 
45 #include <bzlib.h>
46 #include <linux/lzo.h>
47 #include <lzma/LzmaTypes.h>
48 #include <lzma/LzmaDec.h>
49 #include <lzma/LzmaTools.h>
50 #include <linux/zstd.h>
51 
52 #ifdef CONFIG_CMD_BDI
53 extern int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc,
54 		     char *const argv[]);
55 #endif
56 
57 DECLARE_GLOBAL_DATA_PTR;
58 
59 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
60 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
61 						int verify);
62 #endif
63 #else
64 #include "mkimage.h"
65 #include <u-boot/md5.h>
66 #include <time.h>
67 #include <image.h>
68 
69 #ifndef __maybe_unused
70 # define __maybe_unused		/* unimplemented */
71 #endif
72 #endif /* !USE_HOSTCC*/
73 
74 #include <u-boot/crc.h>
75 #include <imximage.h>
76 
77 #ifndef CONFIG_SYS_BARGSIZE
78 #define CONFIG_SYS_BARGSIZE 512
79 #endif
80 
81 static const table_entry_t uimage_arch[] = {
82 	{	IH_ARCH_INVALID,	"invalid",	"Invalid ARCH",	},
83 	{	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
84 	{	IH_ARCH_ARM,		"arm",		"ARM",		},
85 	{	IH_ARCH_I386,		"x86",		"Intel x86",	},
86 	{	IH_ARCH_IA64,		"ia64",		"IA64",		},
87 	{	IH_ARCH_M68K,		"m68k",		"M68K",		},
88 	{	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
89 	{	IH_ARCH_MIPS,		"mips",		"MIPS",		},
90 	{	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
91 	{	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
92 	{	IH_ARCH_PPC,		"powerpc",	"PowerPC",	},
93 	{	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
94 	{	IH_ARCH_S390,		"s390",		"IBM S390",	},
95 	{	IH_ARCH_SH,		"sh",		"SuperH",	},
96 	{	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
97 	{	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
98 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
99 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
100 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
101 	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
102 	{	IH_ARCH_SANDBOX,	"sandbox",	"Sandbox",	},
103 	{	IH_ARCH_ARM64,		"arm64",	"AArch64",	},
104 	{	IH_ARCH_ARC,		"arc",		"ARC",		},
105 	{	IH_ARCH_X86_64,		"x86_64",	"AMD x86_64",	},
106 	{	IH_ARCH_XTENSA,		"xtensa",	"Xtensa",	},
107 	{	IH_ARCH_RISCV,		"riscv",	"RISC-V",	},
108 	{	-1,			"",		"",		},
109 };
110 
111 static const table_entry_t uimage_os[] = {
112 	{	IH_OS_INVALID,	"invalid",	"Invalid OS",		},
113 	{       IH_OS_ARM_TRUSTED_FIRMWARE, "arm-trusted-firmware", "ARM Trusted Firmware"  },
114 	{	IH_OS_LINUX,	"linux",	"Linux",		},
115 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
116 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},
117 #endif
118 	{	IH_OS_NETBSD,	"netbsd",	"NetBSD",		},
119 	{	IH_OS_OSE,	"ose",		"Enea OSE",		},
120 	{	IH_OS_PLAN9,	"plan9",	"Plan 9",		},
121 	{	IH_OS_RTEMS,	"rtems",	"RTEMS",		},
122 	{	IH_OS_TEE,	"tee",		"Trusted Execution Environment" },
123 	{	IH_OS_U_BOOT,	"u-boot",	"U-Boot",		},
124 	{	IH_OS_VXWORKS,	"vxworks",	"VxWorks",		},
125 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
126 	{	IH_OS_QNX,	"qnx",		"QNX",			},
127 #endif
128 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
129 	{	IH_OS_INTEGRITY,"integrity",	"INTEGRITY",		},
130 #endif
131 #ifdef USE_HOSTCC
132 	{	IH_OS_4_4BSD,	"4_4bsd",	"4_4BSD",		},
133 	{	IH_OS_DELL,	"dell",		"Dell",			},
134 	{	IH_OS_ESIX,	"esix",		"Esix",			},
135 	{	IH_OS_FREEBSD,	"freebsd",	"FreeBSD",		},
136 	{	IH_OS_IRIX,	"irix",		"Irix",			},
137 	{	IH_OS_NCR,	"ncr",		"NCR",			},
138 	{	IH_OS_OPENBSD,	"openbsd",	"OpenBSD",		},
139 	{	IH_OS_PSOS,	"psos",		"pSOS",			},
140 	{	IH_OS_SCO,	"sco",		"SCO",			},
141 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
142 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
143 #endif
144 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
145 	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
146 #endif
147 	{	IH_OS_OPENSBI,	"opensbi",	"RISC-V OpenSBI",	},
148 	{	IH_OS_EFI,	"efi",		"EFI Firmware" },
149 
150 	{	-1,		"",		"",			},
151 };
152 
153 static const table_entry_t uimage_type[] = {
154 	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
155 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
156 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
157 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
158 	{	IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
159 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
160 	{	IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
161 	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
162 	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
163 	{	IH_TYPE_IMX8IMAGE,  "imx8image",  "NXP i.MX8 Boot Image",},
164 	{	IH_TYPE_IMX8MIMAGE, "imx8mimage", "NXP i.MX8M Boot Image",},
165 	{	IH_TYPE_INVALID,    "invalid",	  "Invalid Image",	},
166 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
167 	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
168 	{	IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
169 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
170 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
171 	{	IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SoCFPGA CV/AV preloader",},
172 	{	IH_TYPE_SOCFPGAIMAGE_V1, "socfpgaimage_v1", "Altera SoCFPGA A10 preloader",},
173 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
174 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
175 	{	IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
176 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
177 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
178 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
179 	{	IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
180 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
181 	{	IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
182 	{	IH_TYPE_VYBRIDIMAGE, "vybridimage",  "Vybrid Boot Image", },
183 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
184 	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
185 	{	IH_TYPE_ZYNQMPBIF,  "zynqmpbif",  "Xilinx ZynqMP Boot Image (bif)" },
186 	{	IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
187 	{       IH_TYPE_TEE,        "tee",        "Trusted Execution Environment Image",},
188 	{	IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
189 	{       IH_TYPE_PMMC,        "pmmc",        "TI Power Management Micro-Controller Firmware",},
190 	{	IH_TYPE_STM32IMAGE, "stm32image", "STMicroelectronics STM32 Image" },
191 	{	IH_TYPE_MTKIMAGE,   "mtk_image",   "MediaTek BootROM loadable Image" },
192 	{	IH_TYPE_COPRO, "copro", "Coprocessor Image"},
193 	{	IH_TYPE_SUNXI_EGON, "sunxi_egon",  "Allwinner eGON Boot Image" },
194 	{	-1,		    "",		  "",			},
195 };
196 
197 static const table_entry_t uimage_comp[] = {
198 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
199 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
200 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
201 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
202 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
203 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
204 	{	IH_COMP_ZSTD,	"zstd",		"zstd compressed",	},
205 	{	-1,		"",		"",			},
206 };
207 
208 struct table_info {
209 	const char *desc;
210 	int count;
211 	const table_entry_t *table;
212 };
213 
214 static const struct comp_magic_map image_comp[] = {
215 	{	IH_COMP_BZIP2,	"bzip2",	{0x42, 0x5a},},
216 	{	IH_COMP_GZIP,	"gzip",		{0x1f, 0x8b},},
217 	{	IH_COMP_LZMA,	"lzma",		{0x5d, 0x00},},
218 	{	IH_COMP_LZO,	"lzo",		{0x89, 0x4c},},
219 	{	IH_COMP_NONE,	"none",		{},	},
220 };
221 
222 static const struct table_info table_info[IH_COUNT] = {
223 	{ "architecture", IH_ARCH_COUNT, uimage_arch },
224 	{ "compression", IH_COMP_COUNT, uimage_comp },
225 	{ "operating system", IH_OS_COUNT, uimage_os },
226 	{ "image type", IH_TYPE_COUNT, uimage_type },
227 };
228 
229 /*****************************************************************************/
230 /* Legacy format routines */
231 /*****************************************************************************/
image_check_hcrc(const image_header_t * hdr)232 int image_check_hcrc(const image_header_t *hdr)
233 {
234 	ulong hcrc;
235 	ulong len = image_get_header_size();
236 	image_header_t header;
237 
238 	/* Copy header so we can blank CRC field for re-calculation */
239 	memmove(&header, (char *)hdr, image_get_header_size());
240 	image_set_hcrc(&header, 0);
241 
242 	hcrc = crc32(0, (unsigned char *)&header, len);
243 
244 	return (hcrc == image_get_hcrc(hdr));
245 }
246 
image_check_dcrc(const image_header_t * hdr)247 int image_check_dcrc(const image_header_t *hdr)
248 {
249 	ulong data = image_get_data(hdr);
250 	ulong len = image_get_data_size(hdr);
251 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
252 
253 	return (dcrc == image_get_dcrc(hdr));
254 }
255 
256 /**
257  * image_multi_count - get component (sub-image) count
258  * @hdr: pointer to the header of the multi component image
259  *
260  * image_multi_count() returns number of components in a multi
261  * 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  *     number of components
268  */
image_multi_count(const image_header_t * hdr)269 ulong image_multi_count(const image_header_t *hdr)
270 {
271 	ulong i, count = 0;
272 	uint32_t *size;
273 
274 	/* get start of the image payload, which in case of multi
275 	 * component images that points to a table of component sizes */
276 	size = (uint32_t *)image_get_data(hdr);
277 
278 	/* count non empty slots */
279 	for (i = 0; size[i]; ++i)
280 		count++;
281 
282 	return count;
283 }
284 
285 /**
286  * image_multi_getimg - get component data address and size
287  * @hdr: pointer to the header of the multi component image
288  * @idx: index of the requested component
289  * @data: pointer to a ulong variable, will hold component data address
290  * @len: pointer to a ulong variable, will hold component size
291  *
292  * image_multi_getimg() returns size and data address for the requested
293  * component in a multi component image.
294  *
295  * Note: no checking of the image type is done, caller must pass
296  * a valid multi component image.
297  *
298  * returns:
299  *     data address and size of the component, if idx is valid
300  *     0 in data and len, if idx is out of range
301  */
image_multi_getimg(const image_header_t * hdr,ulong idx,ulong * data,ulong * len)302 void image_multi_getimg(const image_header_t *hdr, ulong idx,
303 			ulong *data, ulong *len)
304 {
305 	int i;
306 	uint32_t *size;
307 	ulong offset, count, img_data;
308 
309 	/* get number of component */
310 	count = image_multi_count(hdr);
311 
312 	/* get start of the image payload, which in case of multi
313 	 * component images that points to a table of component sizes */
314 	size = (uint32_t *)image_get_data(hdr);
315 
316 	/* get address of the proper component data start, which means
317 	 * skipping sizes table (add 1 for last, null entry) */
318 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
319 
320 	if (idx < count) {
321 		*len = uimage_to_cpu(size[idx]);
322 		offset = 0;
323 
324 		/* go over all indices preceding requested component idx */
325 		for (i = 0; i < idx; i++) {
326 			/* add up i-th component size, rounding up to 4 bytes */
327 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
328 		}
329 
330 		/* calculate idx-th component data address */
331 		*data = img_data + offset;
332 	} else {
333 		*len = 0;
334 		*data = 0;
335 	}
336 }
337 
image_print_type(const image_header_t * hdr)338 static void image_print_type(const image_header_t *hdr)
339 {
340 	const char __maybe_unused *os, *arch, *type, *comp;
341 
342 	os = genimg_get_os_name(image_get_os(hdr));
343 	arch = genimg_get_arch_name(image_get_arch(hdr));
344 	type = genimg_get_type_name(image_get_type(hdr));
345 	comp = genimg_get_comp_name(image_get_comp(hdr));
346 
347 	printf("%s %s %s (%s)\n", arch, os, type, comp);
348 }
349 
350 /**
351  * image_print_contents - prints out the contents of the legacy format image
352  * @ptr: pointer to the legacy format image header
353  * @p: pointer to prefix string
354  *
355  * image_print_contents() formats a multi line legacy image contents description.
356  * The routine prints out all header fields followed by the size/offset data
357  * for MULTI/SCRIPT images.
358  *
359  * returns:
360  *     no returned results
361  */
image_print_contents(const void * ptr)362 void image_print_contents(const void *ptr)
363 {
364 	const image_header_t *hdr = (const image_header_t *)ptr;
365 	const char __maybe_unused *p;
366 
367 	p = IMAGE_INDENT_STRING;
368 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
369 	if (IMAGE_ENABLE_TIMESTAMP) {
370 		printf("%sCreated:      ", p);
371 		genimg_print_time((time_t)image_get_time(hdr));
372 	}
373 	printf("%sImage Type:   ", p);
374 	image_print_type(hdr);
375 	printf("%sData Size:    ", p);
376 	genimg_print_size(image_get_data_size(hdr));
377 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
378 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
379 
380 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
381 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
382 		int i;
383 		ulong data, len;
384 		ulong count = image_multi_count(hdr);
385 
386 		printf("%sContents:\n", p);
387 		for (i = 0; i < count; i++) {
388 			image_multi_getimg(hdr, i, &data, &len);
389 
390 			printf("%s   Image %d: ", p, i);
391 			genimg_print_size(len);
392 
393 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
394 				/*
395 				 * the user may need to know offsets
396 				 * if planning to do something with
397 				 * multiple files
398 				 */
399 				printf("%s    Offset = 0x%08lx\n", p, data);
400 			}
401 		}
402 	} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
403 		printf("HAB Blocks:   0x%08x   0x0000   0x%08x\n",
404 			image_get_load(hdr) - image_get_header_size(),
405 			(int)(image_get_size(hdr) + image_get_header_size()
406 			+ sizeof(flash_header_v2_t) - 0x2060));
407 	}
408 }
409 
410 /**
411  * print_decomp_msg() - Print a suitable decompression/loading message
412  *
413  * @type:	OS type (IH_OS_...)
414  * @comp_type:	Compression type being used (IH_COMP_...)
415  * @is_xip:	true if the load address matches the image start
416  */
print_decomp_msg(int comp_type,int type,bool is_xip)417 static void print_decomp_msg(int comp_type, int type, bool is_xip)
418 {
419 	const char *name = genimg_get_type_name(type);
420 
421 	if (comp_type == IH_COMP_NONE)
422 		printf("   %s %s\n", is_xip ? "XIP" : "Loading", name);
423 	else
424 		printf("   Uncompressing %s\n", name);
425 }
426 
image_decomp_type(const unsigned char * buf,ulong len)427 int image_decomp_type(const unsigned char *buf, ulong len)
428 {
429 	const struct comp_magic_map *cmagic = image_comp;
430 
431 	if (len < 2)
432 		return -EINVAL;
433 
434 	for (; cmagic->comp_id > 0; cmagic++) {
435 		if (!memcmp(buf, cmagic->magic, 2))
436 			break;
437 	}
438 
439 	return cmagic->comp_id;
440 }
441 
image_decomp(int comp,ulong load,ulong image_start,int type,void * load_buf,void * image_buf,ulong image_len,uint unc_len,ulong * load_end)442 int image_decomp(int comp, ulong load, ulong image_start, int type,
443 		 void *load_buf, void *image_buf, ulong image_len,
444 		 uint unc_len, ulong *load_end)
445 {
446 	int ret = 0;
447 
448 	*load_end = load;
449 	print_decomp_msg(comp, type, load == image_start);
450 
451 	/*
452 	 * Load the image to the right place, decompressing if needed. After
453 	 * this, image_len will be set to the number of uncompressed bytes
454 	 * loaded, ret will be non-zero on error.
455 	 */
456 	switch (comp) {
457 	case IH_COMP_NONE:
458 		if (load == image_start)
459 			break;
460 		if (image_len <= unc_len)
461 			memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
462 		else
463 			ret = -ENOSPC;
464 		break;
465 #ifndef USE_HOSTCC
466 #if CONFIG_IS_ENABLED(GZIP)
467 	case IH_COMP_GZIP: {
468 		ret = gunzip(load_buf, unc_len, image_buf, &image_len);
469 		break;
470 	}
471 #endif /* CONFIG_GZIP */
472 #endif
473 #ifndef USE_HOSTCC
474 #if CONFIG_IS_ENABLED(BZIP2)
475 	case IH_COMP_BZIP2: {
476 		uint size = unc_len;
477 
478 		/*
479 		 * If we've got less than 4 MB of malloc() space,
480 		 * use slower decompression algorithm which requires
481 		 * at most 2300 KB of memory.
482 		 */
483 		ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
484 			image_buf, image_len,
485 			CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
486 		image_len = size;
487 		break;
488 	}
489 #endif /* CONFIG_BZIP2 */
490 #endif
491 #ifndef USE_HOSTCC
492 #if CONFIG_IS_ENABLED(LZMA)
493 	case IH_COMP_LZMA: {
494 		SizeT lzma_len = unc_len;
495 
496 		ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
497 					       image_buf, image_len);
498 		image_len = lzma_len;
499 		break;
500 	}
501 #endif /* CONFIG_LZMA */
502 #endif
503 #ifndef USE_HOSTCC
504 #if CONFIG_IS_ENABLED(LZO)
505 	case IH_COMP_LZO: {
506 		size_t size = unc_len;
507 
508 		ret = lzop_decompress(image_buf, image_len, load_buf, &size);
509 		image_len = size;
510 		break;
511 	}
512 #endif /* CONFIG_LZO */
513 #endif
514 #ifndef USE_HOSTCC
515 #if CONFIG_IS_ENABLED(LZ4)
516 	case IH_COMP_LZ4: {
517 		size_t size = unc_len;
518 
519 		ret = ulz4fn(image_buf, image_len, load_buf, &size);
520 		image_len = size;
521 		break;
522 	}
523 #endif /* CONFIG_LZ4 */
524 #endif
525 #ifndef USE_HOSTCC
526 #if CONFIG_IS_ENABLED(ZSTD)
527 	case IH_COMP_ZSTD: {
528 		size_t size = unc_len;
529 		ZSTD_DStream *dstream;
530 		ZSTD_inBuffer in_buf;
531 		ZSTD_outBuffer out_buf;
532 		void *workspace;
533 		size_t wsize;
534 
535 		wsize = ZSTD_DStreamWorkspaceBound(image_len);
536 		workspace = malloc(wsize);
537 		if (!workspace) {
538 			debug("%s: cannot allocate workspace of size %zu\n", __func__,
539 			      wsize);
540 			return -1;
541 		}
542 
543 		dstream = ZSTD_initDStream(image_len, workspace, wsize);
544 		if (!dstream) {
545 			printf("%s: ZSTD_initDStream failed\n", __func__);
546 			return ZSTD_getErrorCode(ret);
547 		}
548 
549 		in_buf.src = image_buf;
550 		in_buf.pos = 0;
551 		in_buf.size = image_len;
552 
553 		out_buf.dst = load_buf;
554 		out_buf.pos = 0;
555 		out_buf.size = size;
556 
557 		while (1) {
558 			size_t ret;
559 
560 			ret = ZSTD_decompressStream(dstream, &out_buf, &in_buf);
561 			if (ZSTD_isError(ret)) {
562 				printf("%s: ZSTD_decompressStream error %d\n", __func__,
563 				       ZSTD_getErrorCode(ret));
564 				return ZSTD_getErrorCode(ret);
565 			}
566 
567 			if (in_buf.pos >= image_len || !ret)
568 				break;
569 		}
570 
571 		image_len = out_buf.pos;
572 
573 		break;
574 	}
575 #endif /* CONFIG_ZSTD */
576 #endif
577 	default:
578 		printf("Unimplemented compression type %d\n", comp);
579 		return -ENOSYS;
580 	}
581 
582 	*load_end = load + image_len;
583 
584 	return ret;
585 }
586 
587 
588 #ifndef USE_HOSTCC
589 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
590 /**
591  * image_get_ramdisk - get and verify ramdisk image
592  * @rd_addr: ramdisk image start address
593  * @arch: expected ramdisk architecture
594  * @verify: checksum verification flag
595  *
596  * image_get_ramdisk() returns a pointer to the verified ramdisk image
597  * header. Routine receives image start address and expected architecture
598  * flag. Verification done covers data and header integrity and os/type/arch
599  * fields checking.
600  *
601  * returns:
602  *     pointer to a ramdisk image header, if image was found and valid
603  *     otherwise, return NULL
604  */
image_get_ramdisk(ulong rd_addr,uint8_t arch,int verify)605 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
606 						int verify)
607 {
608 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
609 
610 	if (!image_check_magic(rd_hdr)) {
611 		puts("Bad Magic Number\n");
612 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
613 		return NULL;
614 	}
615 
616 	if (!image_check_hcrc(rd_hdr)) {
617 		puts("Bad Header Checksum\n");
618 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
619 		return NULL;
620 	}
621 
622 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
623 	image_print_contents(rd_hdr);
624 
625 	if (verify) {
626 		puts("   Verifying Checksum ... ");
627 		if (!image_check_dcrc(rd_hdr)) {
628 			puts("Bad Data CRC\n");
629 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
630 			return NULL;
631 		}
632 		puts("OK\n");
633 	}
634 
635 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
636 
637 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
638 	    !image_check_arch(rd_hdr, arch) ||
639 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
640 		printf("No Linux %s Ramdisk Image\n",
641 				genimg_get_arch_name(arch));
642 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
643 		return NULL;
644 	}
645 
646 	return rd_hdr;
647 }
648 #endif
649 #endif /* !USE_HOSTCC */
650 
651 /*****************************************************************************/
652 /* Shared dual-format routines */
653 /*****************************************************************************/
654 #ifndef USE_HOSTCC
655 ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
656 ulong image_save_addr;			/* Default Save Address */
657 ulong image_save_size;			/* Default Save Size (in bytes) */
658 
on_loadaddr(const char * name,const char * value,enum env_op op,int flags)659 static int on_loadaddr(const char *name, const char *value, enum env_op op,
660 	int flags)
661 {
662 	switch (op) {
663 	case env_op_create:
664 	case env_op_overwrite:
665 		image_load_addr = simple_strtoul(value, NULL, 16);
666 		break;
667 	default:
668 		break;
669 	}
670 
671 	return 0;
672 }
673 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
674 
env_get_bootm_low(void)675 ulong env_get_bootm_low(void)
676 {
677 	char *s = env_get("bootm_low");
678 	if (s) {
679 		ulong tmp = simple_strtoul(s, NULL, 16);
680 		return tmp;
681 	}
682 
683 #if defined(CONFIG_SYS_SDRAM_BASE)
684 	return CONFIG_SYS_SDRAM_BASE;
685 #elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE)
686 	return gd->bd->bi_dram[0].start;
687 #else
688 	return 0;
689 #endif
690 }
691 
env_get_bootm_size(void)692 phys_size_t env_get_bootm_size(void)
693 {
694 	phys_size_t tmp, size;
695 	phys_addr_t start;
696 	char *s = env_get("bootm_size");
697 	if (s) {
698 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
699 		return tmp;
700 	}
701 
702 	start = gd->ram_base;
703 	size = gd->ram_size;
704 
705 	if (start + size > gd->ram_top)
706 		size = gd->ram_top - start;
707 
708 	s = env_get("bootm_low");
709 	if (s)
710 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
711 	else
712 		tmp = start;
713 
714 	return size - (tmp - start);
715 }
716 
env_get_bootm_mapsize(void)717 phys_size_t env_get_bootm_mapsize(void)
718 {
719 	phys_size_t tmp;
720 	char *s = env_get("bootm_mapsize");
721 	if (s) {
722 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
723 		return tmp;
724 	}
725 
726 #if defined(CONFIG_SYS_BOOTMAPSZ)
727 	return CONFIG_SYS_BOOTMAPSZ;
728 #else
729 	return env_get_bootm_size();
730 #endif
731 }
732 
memmove_wd(void * to,void * from,size_t len,ulong chunksz)733 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
734 {
735 	if (to == from)
736 		return;
737 
738 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
739 	if (to > from) {
740 		from += len;
741 		to += len;
742 	}
743 	while (len > 0) {
744 		size_t tail = (len > chunksz) ? chunksz : len;
745 		WATCHDOG_RESET();
746 		if (to > from) {
747 			to -= tail;
748 			from -= tail;
749 		}
750 		memmove(to, from, tail);
751 		if (to < from) {
752 			to += tail;
753 			from += tail;
754 		}
755 		len -= tail;
756 	}
757 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
758 	memmove(to, from, len);
759 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
760 }
761 #else	/* USE_HOSTCC */
memmove_wd(void * to,void * from,size_t len,ulong chunksz)762 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
763 {
764 	memmove(to, from, len);
765 }
766 #endif /* !USE_HOSTCC */
767 
genimg_print_size(uint32_t size)768 void genimg_print_size(uint32_t size)
769 {
770 #ifndef USE_HOSTCC
771 	printf("%d Bytes = ", size);
772 	print_size(size, "\n");
773 #else
774 	printf("%d Bytes = %.2f KiB = %.2f MiB\n",
775 			size, (double)size / 1.024e3,
776 			(double)size / 1.048576e6);
777 #endif
778 }
779 
780 #if IMAGE_ENABLE_TIMESTAMP
genimg_print_time(time_t timestamp)781 void genimg_print_time(time_t timestamp)
782 {
783 #ifndef USE_HOSTCC
784 	struct rtc_time tm;
785 
786 	rtc_to_tm(timestamp, &tm);
787 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
788 			tm.tm_year, tm.tm_mon, tm.tm_mday,
789 			tm.tm_hour, tm.tm_min, tm.tm_sec);
790 #else
791 	printf("%s", ctime(&timestamp));
792 #endif
793 }
794 #endif
795 
get_table_entry(const table_entry_t * table,int id)796 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
797 {
798 	for (; table->id >= 0; ++table) {
799 		if (table->id == id)
800 			return table;
801 	}
802 	return NULL;
803 }
804 
unknown_msg(enum ih_category category)805 static const char *unknown_msg(enum ih_category category)
806 {
807 	static const char unknown_str[] = "Unknown ";
808 	static char msg[30];
809 
810 	strcpy(msg, unknown_str);
811 	strncat(msg, table_info[category].desc,
812 		sizeof(msg) - sizeof(unknown_str));
813 
814 	return msg;
815 }
816 
817 /**
818  * genimg_get_cat_name - translate entry id to long name
819  * @category: category to look up (enum ih_category)
820  * @id: entry id to be translated
821  *
822  * This will scan the translation table trying to find the entry that matches
823  * the given id.
824  *
825  * @return long entry name if translation succeeds; error string on failure
826  */
genimg_get_cat_name(enum ih_category category,uint id)827 const char *genimg_get_cat_name(enum ih_category category, uint id)
828 {
829 	const table_entry_t *entry;
830 
831 	entry = get_table_entry(table_info[category].table, id);
832 	if (!entry)
833 		return unknown_msg(category);
834 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
835 	return entry->lname;
836 #else
837 	return entry->lname + gd->reloc_off;
838 #endif
839 }
840 
841 /**
842  * genimg_get_cat_short_name - translate entry id to short name
843  * @category: category to look up (enum ih_category)
844  * @id: entry id to be translated
845  *
846  * This will scan the translation table trying to find the entry that matches
847  * the given id.
848  *
849  * @return short entry name if translation succeeds; error string on failure
850  */
genimg_get_cat_short_name(enum ih_category category,uint id)851 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
852 {
853 	const table_entry_t *entry;
854 
855 	entry = get_table_entry(table_info[category].table, id);
856 	if (!entry)
857 		return unknown_msg(category);
858 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
859 	return entry->sname;
860 #else
861 	return entry->sname + gd->reloc_off;
862 #endif
863 }
864 
genimg_get_cat_count(enum ih_category category)865 int genimg_get_cat_count(enum ih_category category)
866 {
867 	return table_info[category].count;
868 }
869 
genimg_get_cat_desc(enum ih_category category)870 const char *genimg_get_cat_desc(enum ih_category category)
871 {
872 	return table_info[category].desc;
873 }
874 
875 /**
876  * genimg_cat_has_id - check whether category has entry id
877  * @category: category to look up (enum ih_category)
878  * @id: entry id to be checked
879  *
880  * This will scan the translation table trying to find the entry that matches
881  * the given id.
882  *
883  * @return true if category has entry id; false if not
884  */
genimg_cat_has_id(enum ih_category category,uint id)885 bool genimg_cat_has_id(enum ih_category category, uint id)
886 {
887 	if (get_table_entry(table_info[category].table, id))
888 		return true;
889 
890 	return false;
891 }
892 
893 /**
894  * get_table_entry_name - translate entry id to long name
895  * @table: pointer to a translation table for entries of a specific type
896  * @msg: message to be returned when translation fails
897  * @id: entry id to be translated
898  *
899  * get_table_entry_name() will go over translation table trying to find
900  * entry that matches given id. If matching entry is found, its long
901  * name is returned to the caller.
902  *
903  * returns:
904  *     long entry name if translation succeeds
905  *     msg otherwise
906  */
get_table_entry_name(const table_entry_t * table,char * msg,int id)907 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
908 {
909 	table = get_table_entry(table, id);
910 	if (!table)
911 		return msg;
912 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
913 	return table->lname;
914 #else
915 	return table->lname + gd->reloc_off;
916 #endif
917 }
918 
genimg_get_os_name(uint8_t os)919 const char *genimg_get_os_name(uint8_t os)
920 {
921 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
922 }
923 
genimg_get_arch_name(uint8_t arch)924 const char *genimg_get_arch_name(uint8_t arch)
925 {
926 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
927 					arch));
928 }
929 
genimg_get_type_name(uint8_t type)930 const char *genimg_get_type_name(uint8_t type)
931 {
932 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
933 }
934 
genimg_get_comp_name(uint8_t comp)935 const char *genimg_get_comp_name(uint8_t comp)
936 {
937 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
938 					comp));
939 }
940 
genimg_get_short_name(const table_entry_t * table,int val)941 static const char *genimg_get_short_name(const table_entry_t *table, int val)
942 {
943 	table = get_table_entry(table, val);
944 	if (!table)
945 		return "unknown";
946 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
947 	return table->sname;
948 #else
949 	return table->sname + gd->reloc_off;
950 #endif
951 }
952 
genimg_get_type_short_name(uint8_t type)953 const char *genimg_get_type_short_name(uint8_t type)
954 {
955 	return genimg_get_short_name(uimage_type, type);
956 }
957 
genimg_get_comp_short_name(uint8_t comp)958 const char *genimg_get_comp_short_name(uint8_t comp)
959 {
960 	return genimg_get_short_name(uimage_comp, comp);
961 }
962 
genimg_get_os_short_name(uint8_t os)963 const char *genimg_get_os_short_name(uint8_t os)
964 {
965 	return genimg_get_short_name(uimage_os, os);
966 }
967 
genimg_get_arch_short_name(uint8_t arch)968 const char *genimg_get_arch_short_name(uint8_t arch)
969 {
970 	return genimg_get_short_name(uimage_arch, arch);
971 }
972 
973 /**
974  * get_table_entry_id - translate short entry name to id
975  * @table: pointer to a translation table for entries of a specific type
976  * @table_name: to be used in case of error
977  * @name: entry short name to be translated
978  *
979  * get_table_entry_id() will go over translation table trying to find
980  * entry that matches given short name. If matching entry is found,
981  * its id returned to the caller.
982  *
983  * returns:
984  *     entry id if translation succeeds
985  *     -1 otherwise
986  */
get_table_entry_id(const table_entry_t * table,const char * table_name,const char * name)987 int get_table_entry_id(const table_entry_t *table,
988 		const char *table_name, const char *name)
989 {
990 	const table_entry_t *t;
991 
992 	for (t = table; t->id >= 0; ++t) {
993 #ifdef CONFIG_NEEDS_MANUAL_RELOC
994 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
995 #else
996 		if (t->sname && strcasecmp(t->sname, name) == 0)
997 #endif
998 			return (t->id);
999 	}
1000 	debug("Invalid %s Type: %s\n", table_name, name);
1001 
1002 	return -1;
1003 }
1004 
genimg_get_os_id(const char * name)1005 int genimg_get_os_id(const char *name)
1006 {
1007 	return (get_table_entry_id(uimage_os, "OS", name));
1008 }
1009 
genimg_get_arch_id(const char * name)1010 int genimg_get_arch_id(const char *name)
1011 {
1012 	return (get_table_entry_id(uimage_arch, "CPU", name));
1013 }
1014 
genimg_get_type_id(const char * name)1015 int genimg_get_type_id(const char *name)
1016 {
1017 	return (get_table_entry_id(uimage_type, "Image", name));
1018 }
1019 
genimg_get_comp_id(const char * name)1020 int genimg_get_comp_id(const char *name)
1021 {
1022 	return (get_table_entry_id(uimage_comp, "Compression", name));
1023 }
1024 
1025 #ifndef USE_HOSTCC
1026 /**
1027  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
1028  *                              FIT strings
1029  * @img_addr: a string might contain real image address
1030  * @fit_uname_config: double pointer to a char, will hold pointer to a
1031  *                    configuration unit name
1032  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
1033  *                    name
1034  *
1035  * genimg_get_kernel_addr_fit get the real kernel start address from a string
1036  * which is normally the first argv of bootm/bootz
1037  *
1038  * returns:
1039  *     kernel start address
1040  */
genimg_get_kernel_addr_fit(char * const img_addr,const char ** fit_uname_config,const char ** fit_uname_kernel)1041 ulong genimg_get_kernel_addr_fit(char * const img_addr,
1042 			     const char **fit_uname_config,
1043 			     const char **fit_uname_kernel)
1044 {
1045 	ulong kernel_addr;
1046 
1047 	/* find out kernel image address */
1048 	if (!img_addr) {
1049 		kernel_addr = image_load_addr;
1050 		debug("*  kernel: default image load address = 0x%08lx\n",
1051 		      image_load_addr);
1052 #if CONFIG_IS_ENABLED(FIT)
1053 	} else if (fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
1054 				  fit_uname_config)) {
1055 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
1056 		      *fit_uname_config, kernel_addr);
1057 	} else if (fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
1058 				     fit_uname_kernel)) {
1059 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
1060 		      *fit_uname_kernel, kernel_addr);
1061 #endif
1062 	} else {
1063 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
1064 		debug("*  kernel: cmdline image address = 0x%08lx\n",
1065 		      kernel_addr);
1066 	}
1067 
1068 	return kernel_addr;
1069 }
1070 
1071 /**
1072  * genimg_get_kernel_addr() is the simple version of
1073  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
1074  */
genimg_get_kernel_addr(char * const img_addr)1075 ulong genimg_get_kernel_addr(char * const img_addr)
1076 {
1077 	const char *fit_uname_config = NULL;
1078 	const char *fit_uname_kernel = NULL;
1079 
1080 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
1081 					  &fit_uname_kernel);
1082 }
1083 
1084 /**
1085  * genimg_get_format - get image format type
1086  * @img_addr: image start address
1087  *
1088  * genimg_get_format() checks whether provided address points to a valid
1089  * legacy or FIT image.
1090  *
1091  * New uImage format and FDT blob are based on a libfdt. FDT blob
1092  * may be passed directly or embedded in a FIT image. In both situations
1093  * genimg_get_format() must be able to dectect libfdt header.
1094  *
1095  * returns:
1096  *     image format type or IMAGE_FORMAT_INVALID if no image is present
1097  */
genimg_get_format(const void * img_addr)1098 int genimg_get_format(const void *img_addr)
1099 {
1100 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
1101 	const image_header_t *hdr;
1102 
1103 	hdr = (const image_header_t *)img_addr;
1104 	if (image_check_magic(hdr))
1105 		return IMAGE_FORMAT_LEGACY;
1106 #endif
1107 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
1108 	if (fdt_check_header(img_addr) == 0)
1109 		return IMAGE_FORMAT_FIT;
1110 #endif
1111 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1112 	if (android_image_check_header(img_addr) == 0)
1113 		return IMAGE_FORMAT_ANDROID;
1114 #endif
1115 
1116 	return IMAGE_FORMAT_INVALID;
1117 }
1118 
1119 /**
1120  * fit_has_config - check if there is a valid FIT configuration
1121  * @images: pointer to the bootm command headers structure
1122  *
1123  * fit_has_config() checks if there is a FIT configuration in use
1124  * (if FTI support is present).
1125  *
1126  * returns:
1127  *     0, no FIT support or no configuration found
1128  *     1, configuration found
1129  */
genimg_has_config(bootm_headers_t * images)1130 int genimg_has_config(bootm_headers_t *images)
1131 {
1132 #if IMAGE_ENABLE_FIT
1133 	if (images->fit_uname_cfg)
1134 		return 1;
1135 #endif
1136 	return 0;
1137 }
1138 
1139 /**
1140  * boot_get_ramdisk - main ramdisk handling routine
1141  * @argc: command argument count
1142  * @argv: command argument list
1143  * @images: pointer to the bootm images structure
1144  * @arch: expected ramdisk architecture
1145  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
1146  * @rd_end: pointer to a ulong variable, will hold ramdisk end
1147  *
1148  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
1149  * Curently supported are the following ramdisk sources:
1150  *      - multicomponent kernel/ramdisk image,
1151  *      - commandline provided address of decicated ramdisk image.
1152  *
1153  * returns:
1154  *     0, if ramdisk image was found and valid, or skiped
1155  *     rd_start and rd_end are set to ramdisk start/end addresses if
1156  *     ramdisk image is found and valid
1157  *
1158  *     1, if ramdisk image is found but corrupted, or invalid
1159  *     rd_start and rd_end are set to 0 if no ramdisk exists
1160  */
boot_get_ramdisk(int argc,char * const argv[],bootm_headers_t * images,uint8_t arch,ulong * rd_start,ulong * rd_end)1161 int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
1162 		     uint8_t arch, ulong *rd_start, ulong *rd_end)
1163 {
1164 	ulong rd_addr, rd_load;
1165 	ulong rd_data, rd_len;
1166 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
1167 	const image_header_t *rd_hdr;
1168 #endif
1169 	void *buf;
1170 #ifdef CONFIG_SUPPORT_RAW_INITRD
1171 	char *end;
1172 #endif
1173 #if IMAGE_ENABLE_FIT
1174 	const char	*fit_uname_config = images->fit_uname_cfg;
1175 	const char	*fit_uname_ramdisk = NULL;
1176 	ulong		default_addr;
1177 	int		rd_noffset;
1178 #endif
1179 	const char *select = NULL;
1180 
1181 	*rd_start = 0;
1182 	*rd_end = 0;
1183 
1184 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1185 	/*
1186 	 * Look for an Android boot image.
1187 	 */
1188 	buf = map_sysmem(images->os.start, 0);
1189 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1190 		select = (argc == 0) ? env_get("loadaddr") : argv[0];
1191 #endif
1192 
1193 	if (argc >= 2)
1194 		select = argv[1];
1195 
1196 	/*
1197 	 * Look for a '-' which indicates to ignore the
1198 	 * ramdisk argument
1199 	 */
1200 	if (select && strcmp(select, "-") ==  0) {
1201 		debug("## Skipping init Ramdisk\n");
1202 		rd_len = rd_data = 0;
1203 	} else if (select || genimg_has_config(images)) {
1204 #if IMAGE_ENABLE_FIT
1205 		if (select) {
1206 			/*
1207 			 * If the init ramdisk comes from the FIT image and
1208 			 * the FIT image address is omitted in the command
1209 			 * line argument, try to use os FIT image address or
1210 			 * default load address.
1211 			 */
1212 			if (images->fit_uname_os)
1213 				default_addr = (ulong)images->fit_hdr_os;
1214 			else
1215 				default_addr = image_load_addr;
1216 
1217 			if (fit_parse_conf(select, default_addr,
1218 					   &rd_addr, &fit_uname_config)) {
1219 				debug("*  ramdisk: config '%s' from image at "
1220 						"0x%08lx\n",
1221 						fit_uname_config, rd_addr);
1222 			} else if (fit_parse_subimage(select, default_addr,
1223 						&rd_addr, &fit_uname_ramdisk)) {
1224 				debug("*  ramdisk: subimage '%s' from image at "
1225 						"0x%08lx\n",
1226 						fit_uname_ramdisk, rd_addr);
1227 			} else
1228 #endif
1229 			{
1230 				rd_addr = simple_strtoul(select, NULL, 16);
1231 				debug("*  ramdisk: cmdline image address = "
1232 						"0x%08lx\n",
1233 						rd_addr);
1234 			}
1235 #if IMAGE_ENABLE_FIT
1236 		} else {
1237 			/* use FIT configuration provided in first bootm
1238 			 * command argument. If the property is not defined,
1239 			 * quit silently.
1240 			 */
1241 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1242 			rd_noffset = fit_get_node_from_config(images,
1243 					FIT_RAMDISK_PROP, rd_addr);
1244 			if (rd_noffset == -ENOENT)
1245 				return 0;
1246 			else if (rd_noffset < 0)
1247 				return 1;
1248 		}
1249 #endif
1250 
1251 		/*
1252 		 * Check if there is an initrd image at the
1253 		 * address provided in the second bootm argument
1254 		 * check image type, for FIT images get FIT node.
1255 		 */
1256 		buf = map_sysmem(rd_addr, 0);
1257 		switch (genimg_get_format(buf)) {
1258 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
1259 		case IMAGE_FORMAT_LEGACY:
1260 			printf("## Loading init Ramdisk from Legacy "
1261 					"Image at %08lx ...\n", rd_addr);
1262 
1263 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1264 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1265 							images->verify);
1266 
1267 			if (rd_hdr == NULL)
1268 				return 1;
1269 
1270 			rd_data = image_get_data(rd_hdr);
1271 			rd_len = image_get_data_size(rd_hdr);
1272 			rd_load = image_get_load(rd_hdr);
1273 			break;
1274 #endif
1275 #if IMAGE_ENABLE_FIT
1276 		case IMAGE_FORMAT_FIT:
1277 			rd_noffset = fit_image_load(images,
1278 					rd_addr, &fit_uname_ramdisk,
1279 					&fit_uname_config, arch,
1280 					IH_TYPE_RAMDISK,
1281 					BOOTSTAGE_ID_FIT_RD_START,
1282 					FIT_LOAD_OPTIONAL_NON_ZERO,
1283 					&rd_data, &rd_len);
1284 			if (rd_noffset < 0)
1285 				return 1;
1286 
1287 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1288 			images->fit_uname_rd = fit_uname_ramdisk;
1289 			images->fit_noffset_rd = rd_noffset;
1290 			break;
1291 #endif
1292 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1293 		case IMAGE_FORMAT_ANDROID:
1294 			android_image_get_ramdisk((void *)images->os.start,
1295 				&rd_data, &rd_len);
1296 			break;
1297 #endif
1298 		default:
1299 #ifdef CONFIG_SUPPORT_RAW_INITRD
1300 			end = NULL;
1301 			if (select)
1302 				end = strchr(select, ':');
1303 			if (end) {
1304 				rd_len = simple_strtoul(++end, NULL, 16);
1305 				rd_data = rd_addr;
1306 			} else
1307 #endif
1308 			{
1309 				puts("Wrong Ramdisk Image Format\n");
1310 				rd_data = rd_len = rd_load = 0;
1311 				return 1;
1312 			}
1313 		}
1314 	} else if (images->legacy_hdr_valid &&
1315 			image_check_type(&images->legacy_hdr_os_copy,
1316 						IH_TYPE_MULTI)) {
1317 
1318 		/*
1319 		 * Now check if we have a legacy mult-component image,
1320 		 * get second entry data start address and len.
1321 		 */
1322 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1323 		printf("## Loading init Ramdisk from multi component "
1324 				"Legacy Image at %08lx ...\n",
1325 				(ulong)images->legacy_hdr_os);
1326 
1327 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1328 	} else {
1329 		/*
1330 		 * no initrd image
1331 		 */
1332 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1333 		rd_len = rd_data = 0;
1334 	}
1335 
1336 	if (!rd_data) {
1337 		debug("## No init Ramdisk\n");
1338 	} else {
1339 		*rd_start = rd_data;
1340 		*rd_end = rd_data + rd_len;
1341 	}
1342 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1343 			*rd_start, *rd_end);
1344 
1345 	return 0;
1346 }
1347 
1348 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1349 /**
1350  * boot_ramdisk_high - relocate init ramdisk
1351  * @lmb: pointer to lmb handle, will be used for memory mgmt
1352  * @rd_data: ramdisk data start address
1353  * @rd_len: ramdisk data length
1354  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1355  *      start address (after possible relocation)
1356  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1357  *      end address (after possible relocation)
1358  *
1359  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1360  * variable and if requested ramdisk data is moved to a specified location.
1361  *
1362  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1363  * start/end addresses if ramdisk image start and len were provided,
1364  * otherwise set initrd_start and initrd_end set to zeros.
1365  *
1366  * returns:
1367  *      0 - success
1368  *     -1 - failure
1369  */
boot_ramdisk_high(struct lmb * lmb,ulong rd_data,ulong rd_len,ulong * initrd_start,ulong * initrd_end)1370 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1371 		  ulong *initrd_start, ulong *initrd_end)
1372 {
1373 	char	*s;
1374 	ulong	initrd_high;
1375 	int	initrd_copy_to_ram = 1;
1376 
1377 	s = env_get("initrd_high");
1378 	if (s) {
1379 		/* a value of "no" or a similar string will act like 0,
1380 		 * turning the "load high" feature off. This is intentional.
1381 		 */
1382 		initrd_high = simple_strtoul(s, NULL, 16);
1383 		if (initrd_high == ~0)
1384 			initrd_copy_to_ram = 0;
1385 	} else {
1386 		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
1387 	}
1388 
1389 
1390 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1391 			initrd_high, initrd_copy_to_ram);
1392 
1393 	if (rd_data) {
1394 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1395 			debug("   in-place initrd\n");
1396 			*initrd_start = rd_data;
1397 			*initrd_end = rd_data + rd_len;
1398 			lmb_reserve(lmb, rd_data, rd_len);
1399 		} else {
1400 			if (initrd_high)
1401 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1402 						rd_len, 0x1000, initrd_high);
1403 			else
1404 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1405 								 0x1000);
1406 
1407 			if (*initrd_start == 0) {
1408 				puts("ramdisk - allocation error\n");
1409 				goto error;
1410 			}
1411 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1412 
1413 			*initrd_end = *initrd_start + rd_len;
1414 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1415 					*initrd_start, *initrd_end);
1416 
1417 			memmove_wd((void *)*initrd_start,
1418 					(void *)rd_data, rd_len, CHUNKSZ);
1419 
1420 #ifdef CONFIG_MP
1421 			/*
1422 			 * Ensure the image is flushed to memory to handle
1423 			 * AMP boot scenarios in which we might not be
1424 			 * HW cache coherent
1425 			 */
1426 			flush_cache((unsigned long)*initrd_start,
1427 				    ALIGN(rd_len, ARCH_DMA_MINALIGN));
1428 #endif
1429 			puts("OK\n");
1430 		}
1431 	} else {
1432 		*initrd_start = 0;
1433 		*initrd_end = 0;
1434 	}
1435 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1436 			*initrd_start, *initrd_end);
1437 
1438 	return 0;
1439 
1440 error:
1441 	return -1;
1442 }
1443 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1444 
boot_get_setup(bootm_headers_t * images,uint8_t arch,ulong * setup_start,ulong * setup_len)1445 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1446 		   ulong *setup_start, ulong *setup_len)
1447 {
1448 #if IMAGE_ENABLE_FIT
1449 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1450 #else
1451 	return -ENOENT;
1452 #endif
1453 }
1454 
1455 #if IMAGE_ENABLE_FIT
1456 #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)1457 int boot_get_fpga(int argc, char *const argv[], bootm_headers_t *images,
1458 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1459 {
1460 	ulong tmp_img_addr, img_data, img_len;
1461 	void *buf;
1462 	int conf_noffset;
1463 	int fit_img_result;
1464 	const char *uname, *name;
1465 	int err;
1466 	int devnum = 0; /* TODO support multi fpga platforms */
1467 
1468 	/* Check to see if the images struct has a FIT configuration */
1469 	if (!genimg_has_config(images)) {
1470 		debug("## FIT configuration was not specified\n");
1471 		return 0;
1472 	}
1473 
1474 	/*
1475 	 * Obtain the os FIT header from the images struct
1476 	 */
1477 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1478 	buf = map_sysmem(tmp_img_addr, 0);
1479 	/*
1480 	 * Check image type. For FIT images get FIT node
1481 	 * and attempt to locate a generic binary.
1482 	 */
1483 	switch (genimg_get_format(buf)) {
1484 	case IMAGE_FORMAT_FIT:
1485 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1486 
1487 		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
1488 					   NULL);
1489 		if (!uname) {
1490 			debug("## FPGA image is not specified\n");
1491 			return 0;
1492 		}
1493 		fit_img_result = fit_image_load(images,
1494 						tmp_img_addr,
1495 						(const char **)&uname,
1496 						&(images->fit_uname_cfg),
1497 						arch,
1498 						IH_TYPE_FPGA,
1499 						BOOTSTAGE_ID_FPGA_INIT,
1500 						FIT_LOAD_OPTIONAL_NON_ZERO,
1501 						&img_data, &img_len);
1502 
1503 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1504 		      uname, img_data, img_len);
1505 
1506 		if (fit_img_result < 0) {
1507 			/* Something went wrong! */
1508 			return fit_img_result;
1509 		}
1510 
1511 		if (!fpga_is_partial_data(devnum, img_len)) {
1512 			name = "full";
1513 			err = fpga_loadbitstream(devnum, (char *)img_data,
1514 						 img_len, BIT_FULL);
1515 			if (err)
1516 				err = fpga_load(devnum, (const void *)img_data,
1517 						img_len, BIT_FULL);
1518 		} else {
1519 			name = "partial";
1520 			err = fpga_loadbitstream(devnum, (char *)img_data,
1521 						 img_len, BIT_PARTIAL);
1522 			if (err)
1523 				err = fpga_load(devnum, (const void *)img_data,
1524 						img_len, BIT_PARTIAL);
1525 		}
1526 
1527 		if (err)
1528 			return err;
1529 
1530 		printf("   Programming %s bitstream... OK\n", name);
1531 		break;
1532 	default:
1533 		printf("The given image format is not supported (corrupt?)\n");
1534 		return 1;
1535 	}
1536 
1537 	return 0;
1538 }
1539 #endif
1540 
fit_loadable_process(uint8_t img_type,ulong img_data,ulong img_len)1541 static void fit_loadable_process(uint8_t img_type,
1542 				 ulong img_data,
1543 				 ulong img_len)
1544 {
1545 	int i;
1546 	const unsigned int count =
1547 			ll_entry_count(struct fit_loadable_tbl, fit_loadable);
1548 	struct fit_loadable_tbl *fit_loadable_handler =
1549 			ll_entry_start(struct fit_loadable_tbl, fit_loadable);
1550 	/* For each loadable handler */
1551 	for (i = 0; i < count; i++, fit_loadable_handler++)
1552 		/* matching this type */
1553 		if (fit_loadable_handler->type == img_type)
1554 			/* call that handler with this image data */
1555 			fit_loadable_handler->handler(img_data, img_len);
1556 }
1557 
boot_get_loadable(int argc,char * const argv[],bootm_headers_t * images,uint8_t arch,const ulong * ld_start,ulong * const ld_len)1558 int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
1559 		      uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1560 {
1561 	/*
1562 	 * These variables are used to hold the current image location
1563 	 * in system memory.
1564 	 */
1565 	ulong tmp_img_addr;
1566 	/*
1567 	 * These two variables are requirements for fit_image_load, but
1568 	 * their values are not used
1569 	 */
1570 	ulong img_data, img_len;
1571 	void *buf;
1572 	int loadables_index;
1573 	int conf_noffset;
1574 	int fit_img_result;
1575 	const char *uname;
1576 	uint8_t img_type;
1577 
1578 	/* Check to see if the images struct has a FIT configuration */
1579 	if (!genimg_has_config(images)) {
1580 		debug("## FIT configuration was not specified\n");
1581 		return 0;
1582 	}
1583 
1584 	/*
1585 	 * Obtain the os FIT header from the images struct
1586 	 */
1587 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1588 	buf = map_sysmem(tmp_img_addr, 0);
1589 	/*
1590 	 * Check image type. For FIT images get FIT node
1591 	 * and attempt to locate a generic binary.
1592 	 */
1593 	switch (genimg_get_format(buf)) {
1594 	case IMAGE_FORMAT_FIT:
1595 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1596 
1597 		for (loadables_index = 0;
1598 		     uname = fdt_stringlist_get(buf, conf_noffset,
1599 					FIT_LOADABLE_PROP, loadables_index,
1600 					NULL), uname;
1601 		     loadables_index++)
1602 		{
1603 			fit_img_result = fit_image_load(images,
1604 				tmp_img_addr,
1605 				&uname,
1606 				&(images->fit_uname_cfg), arch,
1607 				IH_TYPE_LOADABLE,
1608 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1609 				FIT_LOAD_OPTIONAL_NON_ZERO,
1610 				&img_data, &img_len);
1611 			if (fit_img_result < 0) {
1612 				/* Something went wrong! */
1613 				return fit_img_result;
1614 			}
1615 
1616 			fit_img_result = fit_image_get_node(buf, uname);
1617 			if (fit_img_result < 0) {
1618 				/* Something went wrong! */
1619 				return fit_img_result;
1620 			}
1621 			fit_img_result = fit_image_get_type(buf,
1622 							    fit_img_result,
1623 							    &img_type);
1624 			if (fit_img_result < 0) {
1625 				/* Something went wrong! */
1626 				return fit_img_result;
1627 			}
1628 
1629 			fit_loadable_process(img_type, img_data, img_len);
1630 		}
1631 		break;
1632 	default:
1633 		printf("The given image format is not supported (corrupt?)\n");
1634 		return 1;
1635 	}
1636 
1637 	return 0;
1638 }
1639 #endif
1640 
1641 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1642 /**
1643  * boot_get_cmdline - allocate and initialize kernel cmdline
1644  * @lmb: pointer to lmb handle, will be used for memory mgmt
1645  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1646  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1647  *
1648  * boot_get_cmdline() allocates space for kernel command line below
1649  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
1650  * variable is present its contents is copied to allocated kernel
1651  * command line.
1652  *
1653  * returns:
1654  *      0 - success
1655  *     -1 - failure
1656  */
boot_get_cmdline(struct lmb * lmb,ulong * cmd_start,ulong * cmd_end)1657 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1658 {
1659 	char *cmdline;
1660 	char *s;
1661 
1662 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1663 				env_get_bootm_mapsize() + env_get_bootm_low());
1664 
1665 	if (cmdline == NULL)
1666 		return -1;
1667 
1668 	s = env_get("bootargs");
1669 	if (!s)
1670 		s = "";
1671 
1672 	strcpy(cmdline, s);
1673 
1674 	*cmd_start = (ulong) & cmdline[0];
1675 	*cmd_end = *cmd_start + strlen(cmdline);
1676 
1677 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1678 
1679 	return 0;
1680 }
1681 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1682 
1683 #ifdef CONFIG_SYS_BOOT_GET_KBD
1684 /**
1685  * boot_get_kbd - allocate and initialize kernel copy of board info
1686  * @lmb: pointer to lmb handle, will be used for memory mgmt
1687  * @kbd: double pointer to board info data
1688  *
1689  * boot_get_kbd() allocates space for kernel copy of board info data below
1690  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
1691  * with the current u-boot board info data.
1692  *
1693  * returns:
1694  *      0 - success
1695  *     -1 - failure
1696  */
boot_get_kbd(struct lmb * lmb,struct bd_info ** kbd)1697 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
1698 {
1699 	*kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
1700 						       sizeof(struct bd_info),
1701 						       0xf,
1702 						       env_get_bootm_mapsize() + env_get_bootm_low());
1703 	if (*kbd == NULL)
1704 		return -1;
1705 
1706 	**kbd = *(gd->bd);
1707 
1708 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1709 
1710 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1711 	do_bdinfo(NULL, 0, 0, NULL);
1712 #endif
1713 
1714 	return 0;
1715 }
1716 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1717 
1718 #ifdef CONFIG_LMB
image_setup_linux(bootm_headers_t * images)1719 int image_setup_linux(bootm_headers_t *images)
1720 {
1721 	ulong of_size = images->ft_len;
1722 	char **of_flat_tree = &images->ft_addr;
1723 	struct lmb *lmb = &images->lmb;
1724 	int ret;
1725 
1726 	if (IMAGE_ENABLE_OF_LIBFDT)
1727 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1728 
1729 	if (IMAGE_BOOT_GET_CMDLINE) {
1730 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1731 				&images->cmdline_end);
1732 		if (ret) {
1733 			puts("ERROR with allocation of cmdline\n");
1734 			return ret;
1735 		}
1736 	}
1737 
1738 	if (IMAGE_ENABLE_OF_LIBFDT) {
1739 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1740 		if (ret)
1741 			return ret;
1742 	}
1743 
1744 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1745 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1746 		if (ret)
1747 			return ret;
1748 	}
1749 
1750 	return 0;
1751 }
1752 #endif /* CONFIG_LMB */
1753 #endif /* !USE_HOSTCC */
1754