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+/*
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define DEBUG
+
+#ifndef USE_HOSTCC
+#include <common.h>
+#include <watchdog.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+#include <status_led.h>
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+#include <dataflash.h>
+#endif
+
+#ifdef CONFIG_LOGBUFFER
+#include <logbuff.h>
+#endif
+
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
+#include <rtc.h>
+#endif
+
+#include <image.h>
+
+#if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#endif
+
+#if defined(CONFIG_FIT)
+#include <sha1.h>
+
+static int fit_check_ramdisk (const void *fit, int os_noffset,
+ uint8_t arch, int verify);
+#endif
+
+#ifdef CONFIG_CMD_BDI
+extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
+ int verify);
+#else
+#include "mkimage.h"
+#include <time.h>
+#include <image.h>
+#endif /* !USE_HOSTCC*/
+
+typedef struct table_entry {
+ int id; /* as defined in image.h */
+ char *sname; /* short (input) name */
+ char *lname; /* long (output) name */
+} table_entry_t;
+
+static table_entry_t uimage_arch[] = {
+ { IH_ARCH_INVALID, NULL, "Invalid ARCH", },
+ { IH_ARCH_ALPHA, "alpha", "Alpha", },
+ { IH_ARCH_ARM, "arm", "ARM", },
+ { IH_ARCH_I386, "x86", "Intel x86", },
+ { IH_ARCH_IA64, "ia64", "IA64", },
+ { IH_ARCH_M68K, "m68k", "M68K", },
+ { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", },
+ { IH_ARCH_MIPS, "mips", "MIPS", },
+ { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
+ { IH_ARCH_NIOS, "nios", "NIOS", },
+ { IH_ARCH_NIOS2, "nios2", "NIOS II", },
+ { IH_ARCH_PPC, "ppc", "PowerPC", },
+ { IH_ARCH_S390, "s390", "IBM S390", },
+ { IH_ARCH_SH, "sh", "SuperH", },
+ { IH_ARCH_SPARC, "sparc", "SPARC", },
+ { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", },
+ { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", },
+ { IH_ARCH_AVR32, "avr32", "AVR32", },
+ { -1, "", "", },
+};
+
+static table_entry_t uimage_os[] = {
+ { IH_OS_INVALID, NULL, "Invalid OS", },
+#if defined(CONFIG_ARTOS) || defined(USE_HOSTCC)
+ { IH_OS_ARTOS, "artos", "ARTOS", },
+#endif
+ { IH_OS_LINUX, "linux", "Linux", },
+#if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
+ { IH_OS_LYNXOS, "lynxos", "LynxOS", },
+#endif
+ { IH_OS_NETBSD, "netbsd", "NetBSD", },
+ { IH_OS_RTEMS, "rtems", "RTEMS", },
+ { IH_OS_U_BOOT, "u-boot", "U-Boot", },
+#if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
+ { IH_OS_QNX, "qnx", "QNX", },
+ { IH_OS_VXWORKS, "vxworks", "VxWorks", },
+#endif
+#ifdef USE_HOSTCC
+ { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
+ { IH_OS_DELL, "dell", "Dell", },
+ { IH_OS_ESIX, "esix", "Esix", },
+ { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
+ { IH_OS_IRIX, "irix", "Irix", },
+ { IH_OS_NCR, "ncr", "NCR", },
+ { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
+ { IH_OS_PSOS, "psos", "pSOS", },
+ { IH_OS_SCO, "sco", "SCO", },
+ { IH_OS_SOLARIS, "solaris", "Solaris", },
+ { IH_OS_SVR4, "svr4", "SVR4", },
+#endif
+ { -1, "", "", },
+};
+
+static table_entry_t uimage_type[] = {
+ { IH_TYPE_INVALID, NULL, "Invalid Image", },
+ { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
+ { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
+ { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
+ { IH_TYPE_MULTI, "multi", "Multi-File Image", },
+ { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
+ { IH_TYPE_SCRIPT, "script", "Script", },
+ { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
+ { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
+ { -1, "", "", },
+};
+
+static table_entry_t uimage_comp[] = {
+ { IH_COMP_NONE, "none", "uncompressed", },
+ { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
+ { IH_COMP_GZIP, "gzip", "gzip compressed", },
+ { -1, "", "", },
+};
+
+unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+static void genimg_print_size (uint32_t size);
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+static void genimg_print_time (time_t timestamp);
+#endif
+
+/*****************************************************************************/
+/* Legacy format routines */
+/*****************************************************************************/
+int image_check_hcrc (image_header_t *hdr)
+{
+ ulong hcrc;
+ ulong len = image_get_header_size ();
+ image_header_t header;
+
+ /* Copy header so we can blank CRC field for re-calculation */
+ memmove (&header, (char *)hdr, image_get_header_size ());
+ image_set_hcrc (&header, 0);
+
+ hcrc = crc32 (0, (unsigned char *)&header, len);
+
+ return (hcrc == image_get_hcrc (hdr));
+}
+
+int image_check_dcrc (image_header_t *hdr)
+{
+ ulong data = image_get_data (hdr);
+ ulong len = image_get_data_size (hdr);
+ ulong dcrc = crc32 (0, (unsigned char *)data, len);
+
+ return (dcrc == image_get_dcrc (hdr));
+}
+
+#ifndef USE_HOSTCC
+int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz)
+{
+ ulong dcrc = 0;
+ ulong len = image_get_data_size (hdr);
+ ulong data = image_get_data (hdr);
+
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ ulong cdata = data;
+ ulong edata = cdata + len;
+
+ while (cdata < edata) {
+ ulong chunk = edata - cdata;
+
+ if (chunk > chunksz)
+ chunk = chunksz;
+ dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk);
+ cdata += chunk;
+
+ WATCHDOG_RESET ();
+ }
+#else
+ dcrc = crc32 (0, (unsigned char *)data, len);
+#endif
+
+ return (dcrc == image_get_dcrc (hdr));
+}
+#endif /* !USE_HOSTCC */
+
+/**
+ * image_multi_count - get component (sub-image) count
+ * @hdr: pointer to the header of the multi component image
+ *
+ * image_multi_count() returns number of components in a multi
+ * component image.
+ *
+ * Note: no checking of the image type is done, caller must pass
+ * a valid multi component image.
+ *
+ * returns:
+ * number of components
+ */
+ulong image_multi_count (image_header_t *hdr)
+{
+ ulong i, count = 0;
+ uint32_t *size;
+
+ /* get start of the image payload, which in case of multi
+ * component images that points to a table of component sizes */
+ size = (uint32_t *)image_get_data (hdr);
+
+ /* count non empty slots */
+ for (i = 0; size[i]; ++i)
+ count++;
+
+ return count;
+}
+
+/**
+ * image_multi_getimg - get component data address and size
+ * @hdr: pointer to the header of the multi component image
+ * @idx: index of the requested component
+ * @data: pointer to a ulong variable, will hold component data address
+ * @len: pointer to a ulong variable, will hold component size
+ *
+ * image_multi_getimg() returns size and data address for the requested
+ * component in a multi component image.
+ *
+ * Note: no checking of the image type is done, caller must pass
+ * a valid multi component image.
+ *
+ * returns:
+ * data address and size of the component, if idx is valid
+ * 0 in data and len, if idx is out of range
+ */
+void image_multi_getimg (image_header_t *hdr, ulong idx,
+ ulong *data, ulong *len)
+{
+ int i;
+ uint32_t *size;
+ ulong offset, tail, count, img_data;
+
+ /* get number of component */
+ count = image_multi_count (hdr);
+
+ /* get start of the image payload, which in case of multi
+ * component images that points to a table of component sizes */
+ size = (uint32_t *)image_get_data (hdr);
+
+ /* get address of the proper component data start, which means
+ * skipping sizes table (add 1 for last, null entry) */
+ img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t);
+
+ if (idx < count) {
+ *len = uimage_to_cpu (size[idx]);
+ offset = 0;
+ tail = 0;
+
+ /* go over all indices preceding requested component idx */
+ for (i = 0; i < idx; i++) {
+ /* add up i-th component size */
+ offset += uimage_to_cpu (size[i]);
+
+ /* add up alignment for i-th component */
+ tail += (4 - uimage_to_cpu (size[i]) % 4);
+ }
+
+ /* calculate idx-th component data address */
+ *data = img_data + offset + tail;
+ } else {
+ *len = 0;
+ *data = 0;
+ }
+}
+
+static void image_print_type (image_header_t *hdr)
+{
+ const char *os, *arch, *type, *comp;
+
+ os = genimg_get_os_name (image_get_os (hdr));
+ arch = genimg_get_arch_name (image_get_arch (hdr));
+ type = genimg_get_type_name (image_get_type (hdr));
+ comp = genimg_get_comp_name (image_get_comp (hdr));
+
+ printf ("%s %s %s (%s)\n", arch, os, type, comp);
+}
+
+/**
+ * __image_print_contents - prints out the contents of the legacy format image
+ * @hdr: pointer to the legacy format image header
+ * @p: pointer to prefix string
+ *
+ * __image_print_contents() formats a multi line legacy image contents description.
+ * The routine prints out all header fields followed by the size/offset data
+ * for MULTI/SCRIPT images.
+ *
+ * returns:
+ * no returned results
+ */
+static void __image_print_contents (image_header_t *hdr, const char *p)
+{
+ printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr));
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+ printf ("%sCreated: ", p);
+ genimg_print_time ((time_t)image_get_time (hdr));
+#endif
+ printf ("%sImage Type: ", p);
+ image_print_type (hdr);
+ printf ("%sData Size: ", p);
+ genimg_print_size (image_get_data_size (hdr));
+ printf ("%sLoad Address: %08x\n", p, image_get_load (hdr));
+ printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr));
+
+ if (image_check_type (hdr, IH_TYPE_MULTI) ||
+ image_check_type (hdr, IH_TYPE_SCRIPT)) {
+ int i;
+ ulong data, len;
+ ulong count = image_multi_count (hdr);
+
+ printf ("%sContents:\n", p);
+ for (i = 0; i < count; i++) {
+ image_multi_getimg (hdr, i, &data, &len);
+
+ printf ("%s Image %d: ", p, i);
+ genimg_print_size (len);
+
+ if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) {
+ /*
+ * the user may need to know offsets
+ * if planning to do something with
+ * multiple files
+ */
+ printf ("%s Offset = 0x%08lx\n", p, data);
+ }
+ }
+ }
+}
+
+inline void image_print_contents (image_header_t *hdr)
+{
+ __image_print_contents (hdr, " ");
+}
+
+inline void image_print_contents_noindent (image_header_t *hdr)
+{
+ __image_print_contents (hdr, "");
+}
+
+#ifndef USE_HOSTCC
+/**
+ * image_get_ramdisk - get and verify ramdisk image
+ * @rd_addr: ramdisk image start address
+ * @arch: expected ramdisk architecture
+ * @verify: checksum verification flag
+ *
+ * image_get_ramdisk() returns a pointer to the verified ramdisk image
+ * header. Routine receives image start address and expected architecture
+ * flag. Verification done covers data and header integrity and os/type/arch
+ * fields checking.
+ *
+ * If dataflash support is enabled routine checks for dataflash addresses
+ * and handles required dataflash reads.
+ *
+ * returns:
+ * pointer to a ramdisk image header, if image was found and valid
+ * otherwise, return NULL
+ */
+static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
+ int verify)
+{
+ image_header_t *rd_hdr = (image_header_t *)rd_addr;
+
+ if (!image_check_magic (rd_hdr)) {
+ puts ("Bad Magic Number\n");
+ show_boot_progress (-10);
+ return NULL;
+ }
+
+ if (!image_check_hcrc (rd_hdr)) {
+ puts ("Bad Header Checksum\n");
+ show_boot_progress (-11);
+ return NULL;
+ }
+
+ show_boot_progress (10);
+ image_print_contents (rd_hdr);
+
+ if (verify) {
+ puts(" Verifying Checksum ... ");
+ if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
+ puts ("Bad Data CRC\n");
+ show_boot_progress (-12);
+ return NULL;
+ }
+ puts("OK\n");
+ }
+
+ show_boot_progress (11);
+
+ if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
+ !image_check_arch (rd_hdr, arch) ||
+ !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
+ printf ("No Linux %s Ramdisk Image\n",
+ genimg_get_arch_name(arch));
+ show_boot_progress (-13);
+ return NULL;
+ }
+
+ return rd_hdr;
+}
+#endif /* !USE_HOSTCC */
+
+/*****************************************************************************/
+/* Shared dual-format routines */
+/*****************************************************************************/
+#ifndef USE_HOSTCC
+int getenv_verify (void)
+{
+ char *s = getenv ("verify");
+ return (s && (*s == 'n')) ? 0 : 1;
+}
+
+int getenv_autostart (void)
+{
+ char *s = getenv ("autostart");
+ return (s && (*s == 'n')) ? 0 : 1;
+}
+
+ulong getenv_bootm_low(void)
+{
+ char *s = getenv ("bootm_low");
+ if (s) {
+ ulong tmp = simple_strtoul (s, NULL, 16);
+ return tmp;
+ }
+
+#if defined(CFG_SDRAM_BASE)
+ return CFG_SDRAM_BASE;
+#elif defined(CONFIG_ARM)
+ return gd->bd->bi_dram[0].start;
+#else
+ return 0;
+#endif
+}
+
+ulong getenv_bootm_size(void)
+{
+ char *s = getenv ("bootm_size");
+ if (s) {
+ ulong tmp = simple_strtoul (s, NULL, 16);
+ return tmp;
+ }
+
+#if defined(CONFIG_ARM)
+ return gd->bd->bi_dram[0].size;
+#else
+ return gd->bd->bi_memsize;
+#endif
+}
+
+void memmove_wd (void *to, void *from, size_t len, ulong chunksz)
+{
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ while (len > 0) {
+ size_t tail = (len > chunksz) ? chunksz : len;
+ WATCHDOG_RESET ();
+ memmove (to, from, tail);
+ to += tail;
+ from += tail;
+ len -= tail;
+ }
+#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
+ memmove (to, from, len);
+#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+}
+#endif /* !USE_HOSTCC */
+
+static void genimg_print_size (uint32_t size)
+{
+#ifndef USE_HOSTCC
+ printf ("%d Bytes = ", size);
+ print_size (size, "\n");
+#else
+ printf ("%d Bytes = %.2f kB = %.2f MB\n",
+ size, (double)size / 1.024e3,
+ (double)size / 1.048576e6);
+#endif
+}
+
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+static void genimg_print_time (time_t timestamp)
+{
+#ifndef USE_HOSTCC
+ struct rtc_time tm;
+
+ to_tm (timestamp, &tm);
+ printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
+ tm.tm_year, tm.tm_mon, tm.tm_mday,
+ tm.tm_hour, tm.tm_min, tm.tm_sec);
+#else
+ printf ("%s", ctime(&timestamp));
+#endif
+}
+#endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */
+
+/**
+ * get_table_entry_name - translate entry id to long name
+ * @table: pointer to a translation table for entries of a specific type
+ * @msg: message to be returned when translation fails
+ * @id: entry id to be translated
+ *
+ * get_table_entry_name() will go over translation table trying to find
+ * entry that matches given id. If matching entry is found, its long
+ * name is returned to the caller.
+ *
+ * returns:
+ * long entry name if translation succeeds
+ * msg otherwise
+ */
+static char *get_table_entry_name (table_entry_t *table, char *msg, int id)
+{
+ for (; table->id >= 0; ++table) {
+ if (table->id == id)
+ return (table->lname);
+ }
+ return (msg);
+}
+
+const char *genimg_get_os_name (uint8_t os)
+{
+ return (get_table_entry_name (uimage_os, "Unknown OS", os));
+}
+
+const char *genimg_get_arch_name (uint8_t arch)
+{
+ return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch));
+}
+
+const char *genimg_get_type_name (uint8_t type)
+{
+ return (get_table_entry_name (uimage_type, "Unknown Image", type));
+}
+
+const char *genimg_get_comp_name (uint8_t comp)
+{
+ return (get_table_entry_name (uimage_comp, "Unknown Compression", comp));
+}
+
+/**
+ * get_table_entry_id - translate short entry name to id
+ * @table: pointer to a translation table for entries of a specific type
+ * @table_name: to be used in case of error
+ * @name: entry short name to be translated
+ *
+ * get_table_entry_id() will go over translation table trying to find
+ * entry that matches given short name. If matching entry is found,
+ * its id returned to the caller.
+ *
+ * returns:
+ * entry id if translation succeeds
+ * -1 otherwise
+ */
+static int get_table_entry_id (table_entry_t *table,
+ const char *table_name, const char *name)
+{
+ table_entry_t *t;
+#ifdef USE_HOSTCC
+ int first = 1;
+
+ for (t = table; t->id >= 0; ++t) {
+ if (t->sname && strcasecmp(t->sname, name) == 0)
+ return (t->id);
+ }
+
+ fprintf (stderr, "\nInvalid %s Type - valid names are", table_name);
+ for (t = table; t->id >= 0; ++t) {
+ if (t->sname == NULL)
+ continue;
+ fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname);
+ first = 0;
+ }
+ fprintf (stderr, "\n");
+#else
+ for (t = table; t->id >= 0; ++t) {
+ if (t->sname && strcmp(t->sname, name) == 0)
+ return (t->id);
+ }
+ debug ("Invalid %s Type: %s\n", table_name, name);
+#endif /* USE_HOSTCC */
+ return (-1);
+}
+
+int genimg_get_os_id (const char *name)
+{
+ return (get_table_entry_id (uimage_os, "OS", name));
+}
+
+int genimg_get_arch_id (const char *name)
+{
+ return (get_table_entry_id (uimage_arch, "CPU", name));
+}
+
+int genimg_get_type_id (const char *name)
+{
+ return (get_table_entry_id (uimage_type, "Image", name));
+}
+
+int genimg_get_comp_id (const char *name)
+{
+ return (get_table_entry_id (uimage_comp, "Compression", name));
+}
+
+#ifndef USE_HOSTCC
+/**
+ * genimg_get_format - get image format type
+ * @img_addr: image start address
+ *
+ * genimg_get_format() checks whether provided address points to a valid
+ * legacy or FIT image.
+ *
+ * New uImage format and FDT blob are based on a libfdt. FDT blob
+ * may be passed directly or embedded in a FIT image. In both situations
+ * genimg_get_format() must be able to dectect libfdt header.
+ *
+ * returns:
+ * image format type or IMAGE_FORMAT_INVALID if no image is present
+ */
+int genimg_get_format (void *img_addr)
+{
+ ulong format = IMAGE_FORMAT_INVALID;
+ image_header_t *hdr;
+#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
+ char *fit_hdr;
+#endif
+
+ hdr = (image_header_t *)img_addr;
+ if (image_check_magic(hdr))
+ format = IMAGE_FORMAT_LEGACY;
+#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
+ else {
+ fit_hdr = (char *)img_addr;
+ if (fdt_check_header (fit_hdr) == 0)
+ format = IMAGE_FORMAT_FIT;
+ }
+#endif
+
+ return format;
+}
+
+/**
+ * genimg_get_image - get image from special storage (if necessary)
+ * @img_addr: image start address
+ *
+ * genimg_get_image() checks if provided image start adddress is located
+ * in a dataflash storage. If so, image is moved to a system RAM memory.
+ *
+ * returns:
+ * image start address after possible relocation from special storage
+ */
+ulong genimg_get_image (ulong img_addr)
+{
+ ulong ram_addr = img_addr;
+
+#ifdef CONFIG_HAS_DATAFLASH
+ ulong h_size, d_size;
+
+ if (addr_dataflash (img_addr)){
+ /* ger RAM address */
+ ram_addr = CFG_LOAD_ADDR;
+
+ /* get header size */
+ h_size = image_get_header_size ();
+#if defined(CONFIG_FIT)
+ if (sizeof(struct fdt_header) > h_size)
+ h_size = sizeof(struct fdt_header);
+#endif
+
+ /* read in header */
+ debug (" Reading image header from dataflash address "
+ "%08lx to RAM address %08lx\n", img_addr, ram_addr);
+
+ read_dataflash (img_addr, h_size, (char *)ram_addr);
+
+ /* get data size */
+ switch (genimg_get_format ((void *)ram_addr)) {
+ case IMAGE_FORMAT_LEGACY:
+ d_size = image_get_data_size ((image_header_t *)ram_addr);
+ debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n",
+ ram_addr, d_size);
+ break;
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ d_size = fit_get_size ((const void *)ram_addr) - h_size;
+ debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n",
+ ram_addr, d_size);
+ break;
+#endif
+ default:
+ printf (" No valid image found at 0x%08lx\n", img_addr);
+ return ram_addr;
+ }
+
+ /* read in image data */
+ debug (" Reading image remaining data from dataflash address "
+ "%08lx to RAM address %08lx\n", img_addr + h_size,
+ ram_addr + h_size);
+
+ read_dataflash (img_addr + h_size, d_size,
+ (char *)(ram_addr + h_size));
+
+ }
+#endif /* CONFIG_HAS_DATAFLASH */
+
+ return ram_addr;
+}
+
+/**
+ * fit_has_config - check if there is a valid FIT configuration
+ * @images: pointer to the bootm command headers structure
+ *
+ * fit_has_config() checks if there is a FIT configuration in use
+ * (if FTI support is present).
+ *
+ * returns:
+ * 0, no FIT support or no configuration found
+ * 1, configuration found
+ */
+int genimg_has_config (bootm_headers_t *images)
+{
+#if defined(CONFIG_FIT)
+ if (images->fit_uname_cfg)
+ return 1;
+#endif
+ return 0;
+}
+
+/**
+ * boot_get_ramdisk - main ramdisk handling routine
+ * @argc: command argument count
+ * @argv: command argument list
+ * @images: pointer to the bootm images structure
+ * @arch: expected ramdisk architecture
+ * @rd_start: pointer to a ulong variable, will hold ramdisk start address
+ * @rd_end: pointer to a ulong variable, will hold ramdisk end
+ *
+ * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
+ * Curently supported are the following ramdisk sources:
+ * - multicomponent kernel/ramdisk image,
+ * - commandline provided address of decicated ramdisk image.
+ *
+ * returns:
+ * 0, if ramdisk image was found and valid, or skiped
+ * rd_start and rd_end are set to ramdisk start/end addresses if
+ * ramdisk image is found and valid
+ *
+ * 1, if ramdisk image is found but corrupted
+ * rd_start and rd_end are set to 0 if no ramdisk exists
+ */
+int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
+ uint8_t arch, ulong *rd_start, ulong *rd_end)
+{
+ ulong rd_addr, rd_load;
+ ulong rd_data, rd_len;
+ image_header_t *rd_hdr;
+#if defined(CONFIG_FIT)
+ void *fit_hdr;
+ const char *fit_uname_config = NULL;
+ const char *fit_uname_ramdisk = NULL;
+ ulong default_addr;
+ int rd_noffset;
+ int cfg_noffset;
+ const void *data;
+ size_t size;
+#endif
+
+ *rd_start = 0;
+ *rd_end = 0;
+
+ /*
+ * Look for a '-' which indicates to ignore the
+ * ramdisk argument
+ */
+ if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) {
+ debug ("## Skipping init Ramdisk\n");
+ rd_len = rd_data = 0;
+ } else if (argc >= 3 || genimg_has_config (images)) {
+#if defined(CONFIG_FIT)
+ if (argc >= 3) {
+ /*
+ * If the init ramdisk comes from the FIT image and
+ * the FIT image address is omitted in the command
+ * line argument, try to use os FIT image address or
+ * default load address.
+ */
+ if (images->fit_uname_os)
+ default_addr = (ulong)images->fit_hdr_os;
+ else
+ default_addr = load_addr;
+
+ if (fit_parse_conf (argv[2], default_addr,
+ &rd_addr, &fit_uname_config)) {
+ debug ("* ramdisk: config '%s' from image at 0x%08lx\n",
+ fit_uname_config, rd_addr);
+ } else if (fit_parse_subimage (argv[2], default_addr,
+ &rd_addr, &fit_uname_ramdisk)) {
+ debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n",
+ fit_uname_ramdisk, rd_addr);
+ } else
+#endif
+ {
+ rd_addr = simple_strtoul(argv[2], NULL, 16);
+ debug ("* ramdisk: cmdline image address = 0x%08lx\n",
+ rd_addr);
+ }
+#if defined(CONFIG_FIT)
+ } else {
+ /* use FIT configuration provided in first bootm
+ * command argument
+ */
+ rd_addr = (ulong)images->fit_hdr_os;
+ fit_uname_config = images->fit_uname_cfg;
+ debug ("* ramdisk: using config '%s' from image at 0x%08lx\n",
+ fit_uname_config, rd_addr);
+
+ /*
+ * Check whether configuration has ramdisk defined,
+ * if not, don't try to use it, quit silently.
+ */
+ fit_hdr = (void *)rd_addr;
+ cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+ if (cfg_noffset < 0) {
+ debug ("* ramdisk: no such config\n");
+ return 0;
+ }
+
+ rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
+ if (rd_noffset < 0) {
+ debug ("* ramdisk: no ramdisk in config\n");
+ return 0;
+ }
+ }
+#endif
+
+ /* copy from dataflash if needed */
+ rd_addr = genimg_get_image (rd_addr);
+
+ /*
+ * Check if there is an initrd image at the
+ * address provided in the second bootm argument
+ * check image type, for FIT images get FIT node.
+ */
+ switch (genimg_get_format ((void *)rd_addr)) {
+ case IMAGE_FORMAT_LEGACY:
+ printf ("## Loading init Ramdisk from Legacy "
+ "Image at %08lx ...\n", rd_addr);
+
+ show_boot_progress (9);
+ rd_hdr = image_get_ramdisk (rd_addr, arch,
+ images->verify);
+
+ if (rd_hdr == NULL)
+ return 1;
+
+ rd_data = image_get_data (rd_hdr);
+ rd_len = image_get_data_size (rd_hdr);
+ rd_load = image_get_load (rd_hdr);
+ break;
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ fit_hdr = (void *)rd_addr;
+ printf ("## Loading init Ramdisk from FIT "
+ "Image at %08lx ...\n", rd_addr);
+
+ show_boot_progress (120);
+ if (!fit_check_format (fit_hdr)) {
+ puts ("Bad FIT ramdisk image format!\n");
+ show_boot_progress (-120);
+ return 0;
+ }
+ show_boot_progress (121);
+
+ if (!fit_uname_ramdisk) {
+ /*
+ * no ramdisk image node unit name, try to get config
+ * node first. If config unit node name is NULL
+ * fit_conf_get_node() will try to find default config node
+ */
+ show_boot_progress (122);
+ cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+ if (cfg_noffset < 0) {
+ puts ("Could not find configuration node\n");
+ show_boot_progress (-122);
+ return 0;
+ }
+ fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL);
+ printf (" Using '%s' configuration\n", fit_uname_config);
+
+ rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
+ fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL);
+ } else {
+ /* get ramdisk component image node offset */
+ show_boot_progress (123);
+ rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk);
+ }
+ if (rd_noffset < 0) {
+ puts ("Could not find subimage node\n");
+ show_boot_progress (-124);
+ return 0;
+ }
+
+ printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk);
+
+ show_boot_progress (125);
+ if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify))
+ return 0;
+
+ /* get ramdisk image data address and length */
+ if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) {
+ puts ("Could not find ramdisk subimage data!\n");
+ show_boot_progress (-127);
+ return 0;
+ }
+ show_boot_progress (128);
+
+ rd_data = (ulong)data;
+ rd_len = size;
+
+ if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) {
+ puts ("Can't get ramdisk subimage load address!\n");
+ show_boot_progress (-129);
+ return 0;
+ }
+ show_boot_progress (129);
+
+ images->fit_hdr_rd = fit_hdr;
+ images->fit_uname_rd = fit_uname_ramdisk;
+ images->fit_noffset_rd = rd_noffset;
+ break;
+#endif
+ default:
+ puts ("Wrong Ramdisk Image Format\n");
+ rd_data = rd_len = rd_load = 0;
+ }
+
+#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
+ /*
+ * We need to copy the ramdisk to SRAM to let Linux boot
+ */
+ if (rd_data) {
+ memmove ((void *)rd_load, (uchar *)rd_data, rd_len);
+ rd_data = rd_load;
+ }
+#endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */
+
+ } else if (images->legacy_hdr_valid &&
+ image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) {
+ /*
+ * Now check if we have a legacy mult-component image,
+ * get second entry data start address and len.
+ */
+ show_boot_progress (13);
+ printf ("## Loading init Ramdisk from multi component "
+ "Legacy Image at %08lx ...\n",
+ (ulong)images->legacy_hdr_os);
+
+ image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len);
+ } else {
+ /*
+ * no initrd image
+ */
+ show_boot_progress (14);
+ rd_len = rd_data = 0;
+ }
+
+ if (!rd_data) {
+ debug ("## No init Ramdisk\n");
+ } else {
+ *rd_start = rd_data;
+ *rd_end = rd_data + rd_len;
+ }
+ debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
+ *rd_start, *rd_end);
+
+ return 0;
+}
+
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+/**
+ * boot_ramdisk_high - relocate init ramdisk
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @rd_data: ramdisk data start address
+ * @rd_len: ramdisk data length
+ * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
+ * start address (after possible relocation)
+ * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
+ * end address (after possible relocation)
+ *
+ * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
+ * variable and if requested ramdisk data is moved to a specified location.
+ *
+ * Initrd_start and initrd_end are set to final (after relocation) ramdisk
+ * start/end addresses if ramdisk image start and len were provided,
+ * otherwise set initrd_start and initrd_end set to zeros.
+ *
+ * returns:
+ * 0 - success
+ * -1 - failure
+ */
+int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
+ ulong *initrd_start, ulong *initrd_end)
+{
+ char *s;
+ ulong initrd_high;
+ int initrd_copy_to_ram = 1;
+
+ if ((s = getenv ("initrd_high")) != NULL) {
+ /* a value of "no" or a similar string will act like 0,
+ * turning the "load high" feature off. This is intentional.
+ */
+ initrd_high = simple_strtoul (s, NULL, 16);
+ if (initrd_high == ~0)
+ initrd_copy_to_ram = 0;
+ } else {
+ /* not set, no restrictions to load high */
+ initrd_high = ~0;
+ }
+
+ debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
+ initrd_high, initrd_copy_to_ram);
+
+ if (rd_data) {
+ if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
+ debug (" in-place initrd\n");
+ *initrd_start = rd_data;
+ *initrd_end = rd_data + rd_len;
+ lmb_reserve(lmb, rd_data, rd_len);
+ } else {
+ if (initrd_high)
+ *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high);
+ else
+ *initrd_start = lmb_alloc (lmb, rd_len, 0x1000);
+
+ if (*initrd_start == 0) {
+ puts ("ramdisk - allocation error\n");
+ goto error;
+ }
+ show_boot_progress (12);
+
+ *initrd_end = *initrd_start + rd_len;
+ printf (" Loading Ramdisk to %08lx, end %08lx ... ",
+ *initrd_start, *initrd_end);
+
+ memmove_wd ((void *)*initrd_start,
+ (void *)rd_data, rd_len, CHUNKSZ);
+
+ puts ("OK\n");
+ }
+ } else {
+ *initrd_start = 0;
+ *initrd_end = 0;
+ }
+ debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
+ *initrd_start, *initrd_end);
+
+ return 0;
+
+error:
+ return -1;
+}
+
+/**
+ * boot_get_cmdline - allocate and initialize kernel cmdline
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @cmd_start: pointer to a ulong variable, will hold cmdline start
+ * @cmd_end: pointer to a ulong variable, will hold cmdline end
+ * @bootmap_base: ulong variable, holds offset in physical memory to
+ * base of bootmap
+ *
+ * boot_get_cmdline() allocates space for kernel command line below
+ * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt
+ * variable is present its contents is copied to allocated kernel
+ * command line.
+ *
+ * returns:
+ * 0 - success
+ * -1 - failure
+ */
+int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end,
+ ulong bootmap_base)
+{
+ char *cmdline;
+ char *s;
+
+ cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf,
+ CFG_BOOTMAPSZ + bootmap_base);
+
+ if (cmdline == NULL)
+ return -1;
+
+ if ((s = getenv("bootargs")) == NULL)
+ s = "";
+
+ strcpy(cmdline, s);
+
+ *cmd_start = (ulong) & cmdline[0];
+ *cmd_end = *cmd_start + strlen(cmdline);
+
+ debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
+
+ return 0;
+}
+
+/**
+ * boot_get_kbd - allocate and initialize kernel copy of board info
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @kbd: double pointer to board info data
+ * @bootmap_base: ulong variable, holds offset in physical memory to
+ * base of bootmap
+ *
+ * boot_get_kbd() allocates space for kernel copy of board info data below
+ * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with
+ * the current u-boot board info data.
+ *
+ * returns:
+ * 0 - success
+ * -1 - failure
+ */
+int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base)
+{
+ *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
+ CFG_BOOTMAPSZ + bootmap_base);
+ if (*kbd == NULL)
+ return -1;
+
+ **kbd = *(gd->bd);
+
+ debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd);
+
+#if defined(DEBUG) && defined(CONFIG_CMD_BDI)
+ do_bdinfo(NULL, 0, 0, NULL);
+#endif
+
+ return 0;
+}
+#endif /* CONFIG_PPC || CONFIG_M68K */
+#endif /* !USE_HOSTCC */
+
+#if defined(CONFIG_FIT)
+/*****************************************************************************/
+/* New uImage format routines */
+/*****************************************************************************/
+#ifndef USE_HOSTCC
+static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr,
+ ulong *addr, const char **name)
+{
+ const char *sep;
+
+ *addr = addr_curr;
+ *name = NULL;
+
+ sep = strchr (spec, sepc);
+ if (sep) {
+ if (sep - spec > 0)
+ *addr = simple_strtoul (spec, NULL, 16);
+
+ *name = sep + 1;
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_parse_conf - parse FIT configuration spec
+ * @spec: input string, containing configuration spec
+ * @add_curr: current image address (to be used as a possible default)
+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
+ * configuration
+ * @conf_name double pointer to a char, will hold pointer to a configuration
+ * unit name
+ *
+ * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
+ * where <addr> is a FIT image address that contains configuration
+ * with a <conf> unit name.
+ *
+ * Address part is optional, and if omitted default add_curr will
+ * be used instead.
+ *
+ * returns:
+ * 1 if spec is a valid configuration string,
+ * addr and conf_name are set accordingly
+ * 0 otherwise
+ */
+inline int fit_parse_conf (const char *spec, ulong addr_curr,
+ ulong *addr, const char **conf_name)
+{
+ return fit_parse_spec (spec, '#', addr_curr, addr, conf_name);
+}
+
+/**
+ * fit_parse_subimage - parse FIT subimage spec
+ * @spec: input string, containing subimage spec
+ * @add_curr: current image address (to be used as a possible default)
+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
+ * subimage
+ * @image_name: double pointer to a char, will hold pointer to a subimage name
+ *
+ * fit_parse_subimage() expects subimage spec in the for of
+ * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
+ * subimage with a <subimg> unit name.
+ *
+ * Address part is optional, and if omitted default add_curr will
+ * be used instead.
+ *
+ * returns:
+ * 1 if spec is a valid subimage string,
+ * addr and image_name are set accordingly
+ * 0 otherwise
+ */
+inline int fit_parse_subimage (const char *spec, ulong addr_curr,
+ ulong *addr, const char **image_name)
+{
+ return fit_parse_spec (spec, ':', addr_curr, addr, image_name);
+}
+#endif /* !USE_HOSTCC */
+
+static void fit_get_debug (const void *fit, int noffset,
+ char *prop_name, int err)
+{
+ debug ("Can't get '%s' property from FIT 0x%08lx, "
+ "node: offset %d, name %s (%s)\n",
+ prop_name, (ulong)fit, noffset,
+ fit_get_name (fit, noffset, NULL),
+ fdt_strerror (err));
+}
+
+/**
+ * __fit_print_contents - prints out the contents of the FIT format image
+ * @fit: pointer to the FIT format image header
+ * @p: pointer to prefix string
+ *
+ * __fit_print_contents() formats a multi line FIT image contents description.
+ * The routine prints out FIT image properties (root node level) follwed by
+ * the details of each component image.
+ *
+ * returns:
+ * no returned results
+ */
+static void __fit_print_contents (const void *fit, const char *p)
+{
+ char *desc;
+ char *uname;
+ int images_noffset;
+ int confs_noffset;
+ int noffset;
+ int ndepth;
+ int count = 0;
+ int ret;
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+ time_t timestamp;
+#endif
+
+ /* Root node properties */
+ ret = fit_get_desc (fit, 0, &desc);
+ printf ("%sFIT description: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("%s\n", desc);
+
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+ ret = fit_get_timestamp (fit, 0, &timestamp);
+ printf ("%sCreated: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ genimg_print_time (timestamp);
+#endif
+
+ /* Find images parent node offset */
+ images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ printf ("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror (images_noffset));
+ return;
+ }
+
+ /* Process its subnodes, print out component images details */
+ for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the images parent node,
+ * i.e. component image node.
+ */
+ printf ("%s Image %u (%s)\n", p, count++,
+ fit_get_name(fit, noffset, NULL));
+
+ fit_image_print (fit, noffset, p);
+ }
+ }
+
+ /* Find configurations parent node offset */
+ confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH);
+ if (confs_noffset < 0) {
+ debug ("Can't get configurations parent node '%s' (%s)\n",
+ FIT_CONFS_PATH, fdt_strerror (confs_noffset));
+ return;
+ }
+
+ /* get default configuration unit name from default property */
+ uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL);
+ if (uname)
+ printf ("%s Default Configuration: '%s'\n", p, uname);
+
+ /* Process its subnodes, print out configurations details */
+ for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the configurations parent node,
+ * i.e. configuration node.
+ */
+ printf ("%s Configuration %u (%s)\n", p, count++,
+ fit_get_name(fit, noffset, NULL));
+
+ fit_conf_print (fit, noffset, p);
+ }
+ }
+}
+
+inline void fit_print_contents (const void *fit)
+{
+ __fit_print_contents (fit, " ");
+}
+
+inline void fit_print_contents_noindent (const void *fit)
+{
+ __fit_print_contents (fit, "");
+}
+
+/**
+ * fit_image_print - prints out the FIT component image details
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: offset of the component image node
+ * @p: pointer to prefix string
+ *
+ * fit_image_print() lists all mandatory properies for the processed component
+ * image. If present, hash nodes are printed out as well.
+ *
+ * returns:
+ * no returned results
+ */
+void fit_image_print (const void *fit, int image_noffset, const char *p)
+{
+ char *desc;
+ uint8_t type, arch, os, comp;
+ size_t size;
+ ulong load, entry;
+ const void *data;
+ int noffset;
+ int ndepth;
+ int ret;
+
+ /* Mandatory properties */
+ ret = fit_get_desc (fit, image_noffset, &desc);
+ printf ("%s Description: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("%s\n", desc);
+
+ fit_image_get_type (fit, image_noffset, &type);
+ printf ("%s Type: %s\n", p, genimg_get_type_name (type));
+
+ fit_image_get_comp (fit, image_noffset, &comp);
+ printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp));
+
+ ret = fit_image_get_data (fit, image_noffset, &data, &size);
+
+#ifndef USE_HOSTCC
+ printf ("%s Data Start: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("0x%08lx\n", (ulong)data);
+#endif
+
+ printf ("%s Data Size: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ genimg_print_size (size);
+
+ /* Remaining, type dependent properties */
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
+ (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
+ (type == IH_TYPE_FLATDT)) {
+ fit_image_get_arch (fit, image_noffset, &arch);
+ printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch));
+ }
+
+ if (type == IH_TYPE_KERNEL) {
+ fit_image_get_os (fit, image_noffset, &os);
+ printf ("%s OS: %s\n", p, genimg_get_os_name (os));
+ }
+
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) {
+ ret = fit_image_get_load (fit, image_noffset, &load);
+ printf ("%s Load Address: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("0x%08lx\n", load);
+
+ fit_image_get_entry (fit, image_noffset, &entry);
+ printf ("%s Entry Point: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("0x%08lx\n", entry);
+ }
+
+ /* Process all hash subnodes of the component image node */
+ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /* Direct child node of the component image node */
+ fit_image_print_hash (fit, noffset, p);
+ }
+ }
+}
+
+/**
+ * fit_image_print_hash - prints out the hash node details
+ * @fit: pointer to the FIT format image header
+ * @noffset: offset of the hash node
+ * @p: pointer to prefix string
+ *
+ * fit_image_print_hash() lists properies for the processed hash node
+ *
+ * returns:
+ * no returned results
+ */
+void fit_image_print_hash (const void *fit, int noffset, const char *p)
+{
+ char *algo;
+ uint8_t *value;
+ int value_len;
+ int i, ret;
+
+ /*
+ * Check subnode name, must be equal to "hash".
+ * Multiple hash nodes require unique unit node
+ * names, e.g. hash@1, hash@2, etc.
+ */
+ if (strncmp (fit_get_name(fit, noffset, NULL),
+ FIT_HASH_NODENAME,
+ strlen(FIT_HASH_NODENAME)) != 0)
+ return;
+
+ debug ("%s Hash node: '%s'\n", p,
+ fit_get_name (fit, noffset, NULL));
+
+ printf ("%s Hash algo: ", p);
+ if (fit_image_hash_get_algo (fit, noffset, &algo)) {
+ printf ("invalid/unsupported\n");
+ return;
+ }
+ printf ("%s\n", algo);
+
+ ret = fit_image_hash_get_value (fit, noffset, &value,
+ &value_len);
+ printf ("%s Hash value: ", p);
+ if (ret) {
+ printf ("unavailable\n");
+ } else {
+ for (i = 0; i < value_len; i++)
+ printf ("%02x", value[i]);
+ printf ("\n");
+ }
+
+ debug ("%s Hash len: %d\n", p, value_len);
+}
+
+/**
+ * fit_get_desc - get node description property
+ * @fit: pointer to the FIT format image header
+ * @noffset: node offset
+ * @desc: double pointer to the char, will hold pointer to the descrption
+ *
+ * fit_get_desc() reads description property from a given node, if
+ * description is found pointer to it is returened in third call argument.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_get_desc (const void *fit, int noffset, char **desc)
+{
+ int len;
+
+ *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len);
+ if (*desc == NULL) {
+ fit_get_debug (fit, noffset, FIT_DESC_PROP, len);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_get_timestamp - get node timestamp property
+ * @fit: pointer to the FIT format image header
+ * @noffset: node offset
+ * @timestamp: pointer to the time_t, will hold read timestamp
+ *
+ * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
+ * is found and has a correct size its value is retured in third call
+ * argument.
+ *
+ * returns:
+ * 0, on success
+ * -1, on property read failure
+ * -2, on wrong timestamp size
+ */
+int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp)
+{
+ int len;
+ const void *data;
+
+ data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len);
+ return -1;
+ }
+ if (len != sizeof (uint32_t)) {
+ debug ("FIT timestamp with incorrect size of (%u)\n", len);
+ return -2;
+ }
+
+ *timestamp = uimage_to_cpu (*((uint32_t *)data));
+ return 0;
+}
+
+/**
+ * fit_image_get_node - get node offset for component image of a given unit name
+ * @fit: pointer to the FIT format image header
+ * @image_uname: component image node unit name
+ *
+ * fit_image_get_node() finds a component image (withing the '/images'
+ * node) of a provided unit name. If image is found its node offset is
+ * returned to the caller.
+ *
+ * returns:
+ * image node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_image_get_node (const void *fit, const char *image_uname)
+{
+ int noffset, images_noffset;
+
+ images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ debug ("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror (images_noffset));
+ return images_noffset;
+ }
+
+ noffset = fdt_subnode_offset (fit, images_noffset, image_uname);
+ if (noffset < 0) {
+ debug ("Can't get node offset for image unit name: '%s' (%s)\n",
+ image_uname, fdt_strerror (noffset));
+ }
+
+ return noffset;
+}
+
+/**
+ * fit_image_get_os - get os id for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @os: pointer to the uint8_t, will hold os numeric id
+ *
+ * fit_image_get_os() finds os property in a given component image node.
+ * If the property is found, its (string) value is translated to the numeric
+ * id which is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_os (const void *fit, int noffset, uint8_t *os)
+{
+ int len;
+ const void *data;
+
+ /* Get OS name from property data */
+ data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_OS_PROP, len);
+ *os = -1;
+ return -1;
+ }
+
+ /* Translate OS name to id */
+ *os = genimg_get_os_id (data);
+ return 0;
+}
+
+/**
+ * fit_image_get_arch - get arch id for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @arch: pointer to the uint8_t, will hold arch numeric id
+ *
+ * fit_image_get_arch() finds arch property in a given component image node.
+ * If the property is found, its (string) value is translated to the numeric
+ * id which is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch)
+{
+ int len;
+ const void *data;
+
+ /* Get architecture name from property data */
+ data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_ARCH_PROP, len);
+ *arch = -1;
+ return -1;
+ }
+
+ /* Translate architecture name to id */
+ *arch = genimg_get_arch_id (data);
+ return 0;
+}
+
+/**
+ * fit_image_get_type - get type id for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @type: pointer to the uint8_t, will hold type numeric id
+ *
+ * fit_image_get_type() finds type property in a given component image node.
+ * If the property is found, its (string) value is translated to the numeric
+ * id which is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_type (const void *fit, int noffset, uint8_t *type)
+{
+ int len;
+ const void *data;
+
+ /* Get image type name from property data */
+ data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_TYPE_PROP, len);
+ *type = -1;
+ return -1;
+ }
+
+ /* Translate image type name to id */
+ *type = genimg_get_type_id (data);
+ return 0;
+}
+
+/**
+ * fit_image_get_comp - get comp id for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @comp: pointer to the uint8_t, will hold comp numeric id
+ *
+ * fit_image_get_comp() finds comp property in a given component image node.
+ * If the property is found, its (string) value is translated to the numeric
+ * id which is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp)
+{
+ int len;
+ const void *data;
+
+ /* Get compression name from property data */
+ data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_COMP_PROP, len);
+ *comp = -1;
+ return -1;
+ }
+
+ /* Translate compression name to id */
+ *comp = genimg_get_comp_id (data);
+ return 0;
+}
+
+/**
+ * fit_image_get_load - get load address property for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @load: pointer to the uint32_t, will hold load address
+ *
+ * fit_image_get_load() finds load address property in a given component image node.
+ * If the property is found, its value is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_load (const void *fit, int noffset, ulong *load)
+{
+ int len;
+ const uint32_t *data;
+
+ data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_LOAD_PROP, len);
+ return -1;
+ }
+
+ *load = uimage_to_cpu (*data);
+ return 0;
+}
+
+/**
+ * fit_image_get_entry - get entry point address property for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @entry: pointer to the uint32_t, will hold entry point address
+ *
+ * fit_image_get_entry() finds entry point address property in a given component image node.
+ * If the property is found, its value is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_entry (const void *fit, int noffset, ulong *entry)
+{
+ int len;
+ const uint32_t *data;
+
+ data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len);
+ if (data == NULL) {
+ fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len);
+ return -1;
+ }
+
+ *entry = uimage_to_cpu (*data);
+ return 0;
+}
+
+/**
+ * fit_image_get_data - get data property and its size for a given component image node
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @data: double pointer to void, will hold data property's data address
+ * @size: pointer to size_t, will hold data property's data size
+ *
+ * fit_image_get_data() finds data property in a given component image node.
+ * If the property is found its data start address and size are returned to
+ * the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_get_data (const void *fit, int noffset,
+ const void **data, size_t *size)
+{
+ int len;
+
+ *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len);
+ if (*data == NULL) {
+ fit_get_debug (fit, noffset, FIT_DATA_PROP, len);
+ *size = 0;
+ return -1;
+ }
+
+ *size = len;
+ return 0;
+}
+
+/**
+ * fit_image_hash_get_algo - get hash algorithm name
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @algo: double pointer to char, will hold pointer to the algorithm name
+ *
+ * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
+ * If the property is found its data start address is returned to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_hash_get_algo (const void *fit, int noffset, char **algo)
+{
+ int len;
+
+ *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len);
+ if (*algo == NULL) {
+ fit_get_debug (fit, noffset, FIT_ALGO_PROP, len);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_hash_get_value - get hash value and length
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @value: double pointer to uint8_t, will hold address of a hash value data
+ * @value_len: pointer to an int, will hold hash data length
+ *
+ * fit_image_hash_get_value() finds hash value property in a given hash node.
+ * If the property is found its data start address and size are returned to
+ * the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value,
+ int *value_len)
+{
+ int len;
+
+ *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len);
+ if (*value == NULL) {
+ fit_get_debug (fit, noffset, FIT_VALUE_PROP, len);
+ *value_len = 0;
+ return -1;
+ }
+
+ *value_len = len;
+ return 0;
+}
+
+/**
+ * fit_set_timestamp - set node timestamp property
+ * @fit: pointer to the FIT format image header
+ * @noffset: node offset
+ * @timestamp: timestamp value to be set
+ *
+ * fit_set_timestamp() attempts to set timestamp property in the requested
+ * node and returns operation status to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on property read failure
+ */
+int fit_set_timestamp (void *fit, int noffset, time_t timestamp)
+{
+ uint32_t t;
+ int ret;
+
+ t = cpu_to_uimage (timestamp);
+ ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t,
+ sizeof (uint32_t));
+ if (ret) {
+ printf ("Can't set '%s' property for '%s' node (%s)\n",
+ FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL),
+ fdt_strerror (ret));
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * calculate_hash - calculate and return hash for provided input data
+ * @data: pointer to the input data
+ * @data_len: data length
+ * @algo: requested hash algorithm
+ * @value: pointer to the char, will hold hash value data (caller must
+ * allocate enough free space)
+ * value_len: length of the calculated hash
+ *
+ * calculate_hash() computes input data hash according to the requested algorithm.
+ * Resulting hash value is placed in caller provided 'value' buffer, length
+ * of the calculated hash is returned via value_len pointer argument.
+ *
+ * returns:
+ * 0, on success
+ * -1, when algo is unsupported
+ */
+static int calculate_hash (const void *data, int data_len, const char *algo,
+ uint8_t *value, int *value_len)
+{
+ if (strcmp (algo, "crc32") == 0 ) {
+ *((uint32_t *)value) = crc32 (0, data, data_len);
+ *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value));
+ *value_len = 4;
+ } else if (strcmp (algo, "sha1") == 0 ) {
+ sha1_csum ((unsigned char *) data, data_len,
+ (unsigned char *) value);
+ *value_len = 20;
+ } else if (strcmp (algo, "md5") == 0 ) {
+ printf ("MD5 not supported\n");
+ *value_len = 0;
+ } else {
+ debug ("Unsupported hash alogrithm\n");
+ return -1;
+ }
+ return 0;
+}
+
+#ifdef USE_HOSTCC
+/**
+ * fit_set_hashes - process FIT component image nodes and calculate hashes
+ * @fit: pointer to the FIT format image header
+ *
+ * fit_set_hashes() adds hash values for all component images in the FIT blob.
+ * Hashes are calculated for all component images which have hash subnodes
+ * with algorithm property set to one of the supported hash algorithms.
+ *
+ * returns
+ * 0, on success
+ * libfdt error code, on failure
+ */
+int fit_set_hashes (void *fit)
+{
+ int images_noffset;
+ int noffset;
+ int ndepth;
+ int ret;
+
+ /* Find images parent node offset */
+ images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ printf ("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror (images_noffset));
+ return images_noffset;
+ }
+
+ /* Process its subnodes, print out component images details */
+ for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the images parent node,
+ * i.e. component image node.
+ */
+ ret = fit_image_set_hashes (fit, noffset);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_set_hashes - calculate/set hashes for given component image node
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: requested component image node
+ *
+ * fit_image_set_hashes() adds hash values for an component image node. All
+ * existing hash subnodes are checked, if algorithm property is set to one of
+ * the supported hash algorithms, hash value is computed and corresponding
+ * hash node property is set, for example:
+ *
+ * Input component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ * | - data = [binary data]
+ * o hash@1
+ * |- algo = "sha1"
+ *
+ * Output component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ * | - data = [binary data]
+ * o hash@1
+ * |- algo = "sha1"
+ * |- value = sha1(data)
+ *
+ * returns:
+ * 0 on sucess
+ * <0 on failure
+ */
+int fit_image_set_hashes (void *fit, int image_noffset)
+{
+ const void *data;
+ size_t size;
+ char *algo;
+ uint8_t value[FIT_MAX_HASH_LEN];
+ int value_len;
+ int noffset;
+ int ndepth;
+
+ /* Get image data and data length */
+ if (fit_image_get_data (fit, image_noffset, &data, &size)) {
+ printf ("Can't get image data/size\n");
+ return -1;
+ }
+
+ /* Process all hash subnodes of the component image node */
+ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /* Direct child node of the component image node */
+
+ /*
+ * Check subnode name, must be equal to "hash".
+ * Multiple hash nodes require unique unit node
+ * names, e.g. hash@1, hash@2, etc.
+ */
+ if (strncmp (fit_get_name(fit, noffset, NULL),
+ FIT_HASH_NODENAME,
+ strlen(FIT_HASH_NODENAME)) != 0) {
+ /* Not a hash subnode, skip it */
+ continue;
+ }
+
+ if (fit_image_hash_get_algo (fit, noffset, &algo)) {
+ printf ("Can't get hash algo property for "
+ "'%s' hash node in '%s' image node\n",
+ fit_get_name (fit, noffset, NULL),
+ fit_get_name (fit, image_noffset, NULL));
+ return -1;
+ }
+
+ if (calculate_hash (data, size, algo, value, &value_len)) {
+ printf ("Unsupported hash algorithm (%s) for "
+ "'%s' hash node in '%s' image node\n",
+ algo, fit_get_name (fit, noffset, NULL),
+ fit_get_name (fit, image_noffset, NULL));
+ return -1;
+ }
+
+ if (fit_image_hash_set_value (fit, noffset, value,
+ value_len)) {
+ printf ("Can't set hash value for "
+ "'%s' hash node in '%s' image node\n",
+ fit_get_name (fit, noffset, NULL),
+ fit_get_name (fit, image_noffset, NULL));
+ return -1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_hash_set_value - set hash value in requested has node
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @value: hash value to be set
+ * @value_len: hash value length
+ *
+ * fit_image_hash_set_value() attempts to set hash value in a node at offset
+ * given and returns operation status to the caller.
+ *
+ * returns
+ * 0, on success
+ * -1, on failure
+ */
+int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value,
+ int value_len)
+{
+ int ret;
+
+ ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len);
+ if (ret) {
+ printf ("Can't set hash '%s' property for '%s' node (%s)\n",
+ FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL),
+ fdt_strerror (ret));
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* USE_HOSTCC */
+
+/**
+ * fit_image_check_hashes - verify data intergity
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: component image node offset
+ *
+ * fit_image_check_hashes() goes over component image hash nodes,
+ * re-calculates each data hash and compares with the value stored in hash
+ * node.
+ *
+ * returns:
+ * 1, if all hashes are valid
+ * 0, otherwise (or on error)
+ */
+int fit_image_check_hashes (const void *fit, int image_noffset)
+{
+ const void *data;
+ size_t size;
+ char *algo;
+ uint8_t *fit_value;
+ int fit_value_len;
+ uint8_t value[FIT_MAX_HASH_LEN];
+ int value_len;
+ int noffset;
+ int ndepth;
+ char *err_msg = "";
+
+ /* Get image data and data length */
+ if (fit_image_get_data (fit, image_noffset, &data, &size)) {
+ printf ("Can't get image data/size\n");
+ return 0;
+ }
+
+ /* Process all hash subnodes of the component image node */
+ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node (fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /* Direct child node of the component image node */
+
+ /*
+ * Check subnode name, must be equal to "hash".
+ * Multiple hash nodes require unique unit node
+ * names, e.g. hash@1, hash@2, etc.
+ */
+ if (strncmp (fit_get_name(fit, noffset, NULL),
+ FIT_HASH_NODENAME,
+ strlen(FIT_HASH_NODENAME)) != 0)
+ continue;
+
+ if (fit_image_hash_get_algo (fit, noffset, &algo)) {
+ err_msg = "Can't get hash algo property";
+ goto error;
+ }
+ printf ("%s", algo);
+
+ if (fit_image_hash_get_value (fit, noffset, &fit_value,
+ &fit_value_len)) {
+ err_msg = "Can't get hash value property";
+ goto error;
+ }
+
+ if (calculate_hash (data, size, algo, value, &value_len)) {
+ err_msg = "Unsupported hash algorithm";
+ goto error;
+ }
+
+ if (value_len != fit_value_len) {
+ err_msg = "Bad hash value len";
+ goto error;
+ } else if (memcmp (value, fit_value, value_len) != 0) {
+ err_msg = "Bad hash value";
+ goto error;
+ }
+ printf ("+ ");
+ }
+ }
+
+ return 1;
+
+error:
+ printf ("%s for '%s' hash node in '%s' image node\n",
+ err_msg, fit_get_name (fit, noffset, NULL),
+ fit_get_name (fit, image_noffset, NULL));
+ return 0;
+}
+
+/**
+ * fit_image_check_os - check whether image node is of a given os type
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @os: requested image os
+ *
+ * fit_image_check_os() reads image os property and compares its numeric
+ * id with the requested os. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given os type
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_os (const void *fit, int noffset, uint8_t os)
+{
+ uint8_t image_os;
+
+ if (fit_image_get_os (fit, noffset, &image_os))
+ return 0;
+ return (os == image_os);
+}
+
+/**
+ * fit_image_check_arch - check whether image node is of a given arch
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @arch: requested imagearch
+ *
+ * fit_image_check_arch() reads image arch property and compares its numeric
+ * id with the requested arch. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given arch
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_arch (const void *fit, int noffset, uint8_t arch)
+{
+ uint8_t image_arch;
+
+ if (fit_image_get_arch (fit, noffset, &image_arch))
+ return 0;
+ return (arch == image_arch);
+}
+
+/**
+ * fit_image_check_type - check whether image node is of a given type
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @type: requested image type
+ *
+ * fit_image_check_type() reads image type property and compares its numeric
+ * id with the requested type. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given type
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_type (const void *fit, int noffset, uint8_t type)
+{
+ uint8_t image_type;
+
+ if (fit_image_get_type (fit, noffset, &image_type))
+ return 0;
+ return (type == image_type);
+}
+
+/**
+ * fit_image_check_comp - check whether image node uses given compression
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @comp: requested image compression type
+ *
+ * fit_image_check_comp() reads image compression property and compares its
+ * numeric id with the requested compression type. Comparison result is
+ * returned to the caller.
+ *
+ * returns:
+ * 1 if image uses requested compression
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_comp (const void *fit, int noffset, uint8_t comp)
+{
+ uint8_t image_comp;
+
+ if (fit_image_get_comp (fit, noffset, &image_comp))
+ return 0;
+ return (comp == image_comp);
+}
+
+/**
+ * fit_check_format - sanity check FIT image format
+ * @fit: pointer to the FIT format image header
+ *
+ * fit_check_format() runs a basic sanity FIT image verification.
+ * Routine checks for mandatory properties, nodes, etc.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+int fit_check_format (const void *fit)
+{
+ /* mandatory / node 'description' property */
+ if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) {
+ debug ("Wrong FIT format: no description\n");
+ return 0;
+ }
+
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+ /* mandatory / node 'timestamp' property */
+ if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
+ debug ("Wrong FIT format: no description\n");
+ return 0;
+ }
+#endif
+
+ /* mandatory subimages parent '/images' node */
+ if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) {
+ debug ("Wrong FIT format: no images parent node\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+/**
+ * fit_conf_get_node - get node offset for configuration of a given unit name
+ * @fit: pointer to the FIT format image header
+ * @conf_uname: configuration node unit name
+ *
+ * fit_conf_get_node() finds a configuration (withing the '/configurations'
+ * parant node) of a provided unit name. If configuration is found its node offset
+ * is returned to the caller.
+ *
+ * When NULL is provided in second argument fit_conf_get_node() will search
+ * for a default configuration node instead. Default configuration node unit name
+ * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node.
+ *
+ * returns:
+ * configuration node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_conf_get_node (const void *fit, const char *conf_uname)
+{
+ int noffset, confs_noffset;
+ int len;
+
+ confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH);
+ if (confs_noffset < 0) {
+ debug ("Can't find configurations parent node '%s' (%s)\n",
+ FIT_CONFS_PATH, fdt_strerror (confs_noffset));
+ return confs_noffset;
+ }
+
+ if (conf_uname == NULL) {
+ /* get configuration unit name from the default property */
+ debug ("No configuration specified, trying default...\n");
+ conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len);
+ if (conf_uname == NULL) {
+ fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len);
+ return len;
+ }
+ debug ("Found default configuration: '%s'\n", conf_uname);
+ }
+
+ noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname);
+ if (noffset < 0) {
+ debug ("Can't get node offset for configuration unit name: '%s' (%s)\n",
+ conf_uname, fdt_strerror (noffset));
+ }
+
+ return noffset;
+}
+
+static int __fit_conf_get_prop_node (const void *fit, int noffset,
+ const char *prop_name)
+{
+ char *uname;
+ int len;
+
+ /* get kernel image unit name from configuration kernel property */
+ uname = (char *)fdt_getprop (fit, noffset, prop_name, &len);
+ if (uname == NULL)
+ return len;
+
+ return fit_image_get_node (fit, uname);
+}
+
+/**
+ * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
+ * a given configuration
+ * @fit: pointer to the FIT format image header
+ * @noffset: configuration node offset
+ *
+ * fit_conf_get_kernel_node() retrives kernel image node unit name from
+ * configuration FIT_KERNEL_PROP property and translates it to the node
+ * offset.
+ *
+ * returns:
+ * image node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_conf_get_kernel_node (const void *fit, int noffset)
+{
+ return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP);
+}
+
+/**
+ * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
+ * a given configuration
+ * @fit: pointer to the FIT format image header
+ * @noffset: configuration node offset
+ *
+ * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
+ * configuration FIT_KERNEL_PROP property and translates it to the node
+ * offset.
+ *
+ * returns:
+ * image node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_conf_get_ramdisk_node (const void *fit, int noffset)
+{
+ return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP);
+}
+
+/**
+ * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
+ * a given configuration
+ * @fit: pointer to the FIT format image header
+ * @noffset: configuration node offset
+ *
+ * fit_conf_get_fdt_node() retrives fdt image node unit name from
+ * configuration FIT_KERNEL_PROP property and translates it to the node
+ * offset.
+ *
+ * returns:
+ * image node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_conf_get_fdt_node (const void *fit, int noffset)
+{
+ return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP);
+}
+
+/**
+ * fit_conf_print - prints out the FIT configuration details
+ * @fit: pointer to the FIT format image header
+ * @noffset: offset of the configuration node
+ * @p: pointer to prefix string
+ *
+ * fit_conf_print() lists all mandatory properies for the processed
+ * configuration node.
+ *
+ * returns:
+ * no returned results
+ */
+void fit_conf_print (const void *fit, int noffset, const char *p)
+{
+ char *desc;
+ char *uname;
+ int ret;
+
+ /* Mandatory properties */
+ ret = fit_get_desc (fit, noffset, &desc);
+ printf ("%s Description: ", p);
+ if (ret)
+ printf ("unavailable\n");
+ else
+ printf ("%s\n", desc);
+
+ uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL);
+ printf ("%s Kernel: ", p);
+ if (uname == NULL)
+ printf ("unavailable\n");
+ else
+ printf ("%s\n", uname);
+
+ /* Optional properties */
+ uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL);
+ if (uname)
+ printf ("%s Init Ramdisk: %s\n", p, uname);
+
+ uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL);
+ if (uname)
+ printf ("%s FDT: %s\n", p, uname);
+}
+
+/**
+ * fit_check_ramdisk - verify FIT format ramdisk subimage
+ * @fit_hdr: pointer to the FIT ramdisk header
+ * @rd_noffset: ramdisk subimage node offset within FIT image
+ * @arch: requested ramdisk image architecture type
+ * @verify: data CRC verification flag
+ *
+ * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
+ * specified FIT image.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+#ifndef USE_HOSTCC
+static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify)
+{
+ fit_image_print (fit, rd_noffset, " ");
+
+ if (verify) {
+ puts (" Verifying Hash Integrity ... ");
+ if (!fit_image_check_hashes (fit, rd_noffset)) {
+ puts ("Bad Data Hash\n");
+ show_boot_progress (-125);
+ return 0;
+ }
+ puts ("OK\n");
+ }
+
+ show_boot_progress (126);
+ if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) ||
+ !fit_image_check_arch (fit, rd_noffset, arch) ||
+ !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) {
+ printf ("No Linux %s Ramdisk Image\n",
+ genimg_get_arch_name(arch));
+ show_boot_progress (-126);
+ return 0;
+ }
+
+ show_boot_progress (127);
+ return 1;
+}
+#endif /* USE_HOSTCC */
+#endif /* CONFIG_FIT */
generated by cgit v1.1 at 2024-12-15 22:33:33 +0000