* MA 02111-1307 USA
*/
-#define DEBUG
-
#ifndef USE_HOSTCC
#include <common.h>
#include <watchdog.h>
#include <rtc.h>
#endif
-#if defined(CONFIG_FIT)
+#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 <u-boot/md5.h>
+#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 (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong rd_addr, uint8_t arch, int verify);
+static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
+ int verify);
#else
#include "mkimage.h"
-#endif /* !USE_HOSTCC*/
-
+#include <u-boot/md5.h>
+#include <time.h>
#include <image.h>
+#endif /* !USE_HOSTCC*/
typedef struct table_entry {
int id; /* as defined in image.h */
{ IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
{ IH_ARCH_NIOS, "nios", "NIOS", },
{ IH_ARCH_NIOS2, "nios2", "NIOS II", },
+ { IH_ARCH_PPC, "powerpc", "PowerPC", },
{ IH_ARCH_PPC, "ppc", "PowerPC", },
{ IH_ARCH_S390, "s390", "IBM S390", },
{ IH_ARCH_SH, "sh", "SuperH", },
{ -1, "", "", },
};
-unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+uint32_t crc32 (uint32_t, const unsigned char *, uint);
+uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
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);
{
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
+ ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32);
return (dcrc == image_get_dcrc (hdr));
}
-#endif /* !USE_HOSTCC */
/**
* image_multi_count - get component (sub-image) count
{
int i;
uint32_t *size;
- ulong offset, tail, count, img_data;
+ ulong offset, count, img_data;
/* get number of component */
count = image_multi_count (hdr);
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);
+ /* add up i-th component size, rounding up to 4 bytes */
+ offset += (uimage_to_cpu (size[i]) + 3) & ~3 ;
}
/* calculate idx-th component data address */
- *data = img_data + offset + tail;
+ *data = img_data + offset;
} else {
*len = 0;
*data = 0;
printf ("%s %s %s (%s)\n", arch, os, type, comp);
}
-static void __image_print_contents (image_header_t *hdr, const char *p)
+/**
+ * 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
+ */
+void image_print_contents (image_header_t *hdr)
{
+ const char *p;
+
+#ifdef USE_HOSTCC
+ p = "";
+#else
+ p = " ";
+#endif
+
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);
}
}
-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
- * @cmdtp: command table pointer
- * @flag: command flag
- * @argc: command argument count
- * @argv: command argument list
* @rd_addr: ramdisk image start address
* @arch: expected ramdisk architecture
* @verify: checksum verification flag
* pointer to a ramdisk image header, if image was found and valid
* otherwise, return NULL
*/
-static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong rd_addr, uint8_t arch, int verify)
+static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
+ int verify)
{
- image_header_t *rd_hdr;
-
- show_boot_progress (9);
- rd_hdr = (image_header_t *)rd_addr;
+ image_header_t *rd_hdr = (image_header_t *)rd_addr;
if (!image_check_magic (rd_hdr)) {
puts ("Bad Magic Number\n");
if (verify) {
puts(" Verifying Checksum ... ");
- if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
+ if (!image_check_dcrc (rd_hdr)) {
puts ("Bad Data CRC\n");
show_boot_progress (-12);
return NULL;
/* 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)
+int getenv_yesno (char *var)
{
- char *s = getenv ("autostart");
+ char *s = getenv (var);
return (s && (*s == 'n')) ? 0 : 1;
}
return tmp;
}
-#ifdef CFG_SDRAM_BASE
+#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)
+phys_size_t getenv_bootm_size(void)
{
char *s = getenv ("bootm_size");
if (s) {
- ulong tmp = simple_strtoul (s, NULL, 16);
+ phys_size_t tmp;
+#ifdef CFG_64BIT_STRTOUL
+ tmp = (phys_size_t)simple_strtoull (s, NULL, 16);
+#else
+ tmp = (phys_size_t)simple_strtoul (s, NULL, 16);
+#endif
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)
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
- d_size = fdt_totalsize((void *)ram_addr) - h_size;
+ 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;
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
- * @cmdtp: command table pointer
- * @flag: command flag
* @argc: command argument count
* @argv: command argument list
* @images: pointer to the bootm images structure
* - 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
- * return 1 if ramdisk image is found but corrupted
*/
-int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- bootm_headers_t *images, uint8_t arch,
- ulong *rd_start, ulong *rd_end)
+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;
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) {
+ } else if (argc >= 3 || genimg_has_config (images)) {
#if defined(CONFIG_FIT)
- /*
- * 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
+ 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);
+ {
+ 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 1;
+ }
+
+ 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 */
- printf ("## Loading init Ramdisk Image at %08lx ...\n",
- rd_addr);
rd_addr = genimg_get_image (rd_addr);
/*
*/
switch (genimg_get_format ((void *)rd_addr)) {
case IMAGE_FORMAT_LEGACY:
+ printf ("## Loading init Ramdisk from Legacy "
+ "Image at %08lx ...\n", rd_addr);
- debug ("* ramdisk: legacy format image\n");
-
- rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv,
- rd_addr, arch, images->verify);
+ show_boot_progress (9);
+ rd_hdr = image_get_ramdisk (rd_addr, arch,
+ images->verify);
- if (rd_hdr == NULL) {
- *rd_start = 0;
- *rd_end = 0;
+ if (rd_hdr == NULL)
return 1;
- }
rd_data = image_get_data (rd_hdr);
rd_len = image_get_data_size (rd_hdr);
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = (void *)rd_addr;
- debug ("* ramdisk: FIT format image\n");
- fit_unsupported_reset ("ramdisk");
- return 1;
+ 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 1;
+ }
+ 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 1;
+ }
+ 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 1;
+ }
+
+ 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 1;
+
+ /* 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 1;
+ }
+ 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 1;
+ }
+ 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:
- printf ("Wrong Image Format for %s command\n",
- cmdtp->name);
- rd_data = rd_len = 0;
+ puts ("Wrong Ramdisk Image Format\n");
+ rd_data = rd_len = rd_load = 0;
}
#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
#endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */
} else if (images->legacy_hdr_valid &&
- image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) {
+ image_check_type (&images->legacy_hdr_os_copy, 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 "
- "Image at %08lx ...\n",
+ "Legacy Image at %08lx ...\n",
(ulong)images->legacy_hdr_os);
image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len);
if (!rd_data) {
debug ("## No init Ramdisk\n");
- *rd_start = 0;
- *rd_end = 0;
} else {
*rd_start = rd_data;
*rd_end = rd_data + rd_len;
return 0;
}
-#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
/**
* boot_ramdisk_high - relocate init ramdisk
* @lmb: pointer to lmb handle, will be used for memory mgmt
initrd_high = ~0;
}
+
+#ifdef CONFIG_LOGBUFFER
+ /* Prevent initrd from overwriting logbuffer */
+ lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
+#endif
+
debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
initrd_high, initrd_copy_to_ram);
lmb_reserve(lmb, rd_data, rd_len);
} else {
if (initrd_high)
- *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high);
+ *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high);
else
- *initrd_start = lmb_alloc (lmb, rd_len, 0x1000);
+ *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000);
if (*initrd_start == 0) {
puts ("ramdisk - allocation error\n");
return -1;
}
+#ifdef CONFIG_OF_LIBFDT
+static void fdt_error (const char *msg)
+{
+ puts ("ERROR: ");
+ puts (msg);
+ puts (" - must RESET the board to recover.\n");
+}
+
+static image_header_t *image_get_fdt (ulong fdt_addr)
+{
+ image_header_t *fdt_hdr = (image_header_t *)fdt_addr;
+
+ image_print_contents (fdt_hdr);
+
+ puts (" Verifying Checksum ... ");
+ if (!image_check_hcrc (fdt_hdr)) {
+ fdt_error ("fdt header checksum invalid");
+ return NULL;
+ }
+
+ if (!image_check_dcrc (fdt_hdr)) {
+ fdt_error ("fdt checksum invalid");
+ return NULL;
+ }
+ puts ("OK\n");
+
+ if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
+ fdt_error ("uImage is not a fdt");
+ return NULL;
+ }
+ if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
+ fdt_error ("uImage is compressed");
+ return NULL;
+ }
+ if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) {
+ fdt_error ("uImage data is not a fdt");
+ return NULL;
+ }
+ return fdt_hdr;
+}
+
/**
- * 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
+ * fit_check_fdt - verify FIT format FDT subimage
+ * @fit_hdr: pointer to the FIT header
+ * fdt_noffset: FDT subimage node offset within FIT image
+ * @verify: data CRC verification flag
*
- * 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.
+ * fit_check_fdt() verifies integrity of the FDT subimage and from
+ * specified FIT image.
*
* returns:
- * 0 - success
- * -1 - failure
+ * 1, on success
+ * 0, on failure
*/
-int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end,
- ulong bootmap_base)
+#if defined(CONFIG_FIT)
+static int fit_check_fdt (const void *fit, int fdt_noffset, int verify)
{
- 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 = "";
+ fit_image_print (fit, fdt_noffset, " ");
- strcpy(cmdline, s);
+ if (verify) {
+ puts (" Verifying Hash Integrity ... ");
+ if (!fit_image_check_hashes (fit, fdt_noffset)) {
+ fdt_error ("Bad Data Hash");
+ return 0;
+ }
+ puts ("OK\n");
+ }
- *cmd_start = (ulong) & cmdline[0];
- *cmd_end = *cmd_start + strlen(cmdline);
+ if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) {
+ fdt_error ("Not a FDT image");
+ return 0;
+ }
- debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
+ if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) {
+ fdt_error ("FDT image is compressed");
+ return 0;
+ }
- return 0;
+ return 1;
}
+#endif /* CONFIG_FIT */
+
+#ifndef CFG_FDT_PAD
+#define CFG_FDT_PAD 0x3000
+#endif
/**
- * boot_get_kbd - allocate and initialize kernel copy of board info
+ * boot_relocate_fdt - relocate flat device tree
* @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
+ * @bootmap_base: base address of the bootmap region
+ * @of_flat_tree: pointer to a char* variable, will hold fdt start address
+ * @of_size: pointer to a ulong variable, will hold fdt length
*
- * 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.
+ * boot_relocate_fdt() determines if the of_flat_tree address is within
+ * the bootmap and if not relocates it into that region
+ *
+ * of_flat_tree and of_size are set to final (after relocation) values
*
* returns:
* 0 - success
- * -1 - failure
+ * 1 - failure
*/
-int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base)
+int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
+ char **of_flat_tree, ulong *of_size)
{
- *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
- CFG_BOOTMAPSZ + bootmap_base);
- if (*kbd == NULL)
- return -1;
+ char *fdt_blob = *of_flat_tree;
+ ulong relocate = 0;
+ ulong of_len = 0;
- **kbd = *(gd->bd);
+ /* nothing to do */
+ if (*of_size == 0)
+ return 0;
- debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd);
+ if (fdt_check_header (fdt_blob) != 0) {
+ fdt_error ("image is not a fdt");
+ goto error;
+ }
-#if defined(DEBUG) && defined(CONFIG_CMD_BDI)
- do_bdinfo(NULL, 0, 0, NULL);
+#ifndef CFG_NO_FLASH
+ /* move the blob if it is in flash (set relocate) */
+ if (addr2info ((ulong)fdt_blob) != NULL)
+ relocate = 1;
#endif
- return 0;
-}
-#endif /* CONFIG_PPC || CONFIG_M68K */
+ /*
+ * The blob needs to be inside the boot mapping.
+ */
+ if (fdt_blob < (char *)bootmap_base)
+ relocate = 1;
+
+ if ((fdt_blob + *of_size + CFG_FDT_PAD) >=
+ ((char *)CFG_BOOTMAPSZ + bootmap_base))
+ relocate = 1;
+
+ /* move flattend device tree if needed */
+ if (relocate) {
+ int err;
+ ulong of_start = 0;
+
+ /* position on a 4K boundary before the alloc_current */
+ /* Pad the FDT by a specified amount */
+ of_len = *of_size + CFG_FDT_PAD;
+ of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000,
+ (CFG_BOOTMAPSZ + bootmap_base));
+
+ if (of_start == 0) {
+ puts("device tree - allocation error\n");
+ goto error;
+ }
-#if defined(CONFIG_FIT)
-/*****************************************************************************/
-/* New uImage format routines */
-/*****************************************************************************/
-static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr,
- ulong *addr, const char **name)
-{
- const char *sep;
+ debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
+ (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1,
+ of_len, of_len);
- *addr = addr_curr;
- *name = NULL;
+ printf (" Loading Device Tree to %08lx, end %08lx ... ",
+ of_start, of_start + of_len - 1);
- sep = strchr (spec, sepc);
- if (sep) {
- if (sep - spec > 0)
- *addr = simple_strtoul (spec, NULL, 16);
+ err = fdt_open_into (fdt_blob, (void *)of_start, of_len);
+ if (err != 0) {
+ fdt_error ("fdt move failed");
+ goto error;
+ }
+ puts ("OK\n");
- *name = sep + 1;
- return 1;
+ *of_flat_tree = (char *)of_start;
+ *of_size = of_len;
+ } else {
+ *of_flat_tree = fdt_blob;
+ of_len = (CFG_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob;
+ lmb_reserve(lmb, (ulong)fdt_blob, of_len);
+ fdt_set_totalsize(*of_flat_tree, of_len);
+
+ *of_size = of_len;
}
+ set_working_fdt_addr(*of_flat_tree);
return 0;
+
+error:
+ return 1;
}
/**
- * 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.
+ * boot_get_fdt - main fdt handling routine
+ * @argc: command argument count
+ * @argv: command argument list
+ * @images: pointer to the bootm images structure
+ * @of_flat_tree: pointer to a char* variable, will hold fdt start address
+ * @of_size: pointer to a ulong variable, will hold fdt length
*
- * Address part is optional, and if omitted default add_curr will
- * be used instead.
+ * boot_get_fdt() is responsible for finding a valid flat device tree image.
+ * Curently supported are the following ramdisk sources:
+ * - multicomponent kernel/ramdisk image,
+ * - commandline provided address of decicated ramdisk image.
*
* returns:
- * 1 if spec is a valid configuration string,
- * addr and conf_name are set accordingly
- * 0 otherwise
+ * 0, if fdt image was found and valid, or skipped
+ * of_flat_tree and of_size are set to fdt start address and length if
+ * fdt image is found and valid
+ *
+ * 1, if fdt image is found but corrupted
+ * of_flat_tree and of_size are set to 0 if no fdt exists
*/
-inline int fit_parse_conf (const char *spec, ulong addr_curr,
- ulong *addr, const char **conf_name)
+int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images,
+ char **of_flat_tree, ulong *of_size)
{
- return fit_parse_spec (spec, '#', addr_curr, addr, conf_name);
-}
+ ulong fdt_addr;
+ image_header_t *fdt_hdr;
+ char *fdt_blob = NULL;
+ ulong image_start, image_end;
+ ulong load_start, load_end;
+#if defined(CONFIG_FIT)
+ void *fit_hdr;
+ const char *fit_uname_config = NULL;
+ const char *fit_uname_fdt = NULL;
+ ulong default_addr;
+ int cfg_noffset;
+ int fdt_noffset;
+ const void *data;
+ size_t size;
+#endif
-/**
- * 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
+ *of_flat_tree = NULL;
+ *of_size = 0;
+
+ if (argc > 3 || genimg_has_config (images)) {
+#if defined(CONFIG_FIT)
+ if (argc > 3) {
+ /*
+ * If the FDT blob comes from the FIT image and the
+ * FIT image address is omitted in the command line
+ * argument, try to use ramdisk or os FIT image
+ * address or default load address.
+ */
+ if (images->fit_uname_rd)
+ default_addr = (ulong)images->fit_hdr_rd;
+ else if (images->fit_uname_os)
+ default_addr = (ulong)images->fit_hdr_os;
+ else
+ default_addr = load_addr;
+
+ if (fit_parse_conf (argv[3], default_addr,
+ &fdt_addr, &fit_uname_config)) {
+ debug ("* fdt: config '%s' from image at 0x%08lx\n",
+ fit_uname_config, fdt_addr);
+ } else if (fit_parse_subimage (argv[3], default_addr,
+ &fdt_addr, &fit_uname_fdt)) {
+ debug ("* fdt: subimage '%s' from image at 0x%08lx\n",
+ fit_uname_fdt, fdt_addr);
+ } else
+#endif
+ {
+ fdt_addr = simple_strtoul(argv[3], NULL, 16);
+ debug ("* fdt: cmdline image address = 0x%08lx\n",
+ fdt_addr);
+ }
+#if defined(CONFIG_FIT)
+ } else {
+ /* use FIT configuration provided in first bootm
+ * command argument
+ */
+ fdt_addr = (ulong)images->fit_hdr_os;
+ fit_uname_config = images->fit_uname_cfg;
+ debug ("* fdt: using config '%s' from image at 0x%08lx\n",
+ fit_uname_config, fdt_addr);
+
+ /*
+ * Check whether configuration has FDT blob defined,
+ * if not quit silently.
+ */
+ fit_hdr = (void *)fdt_addr;
+ cfg_noffset = fit_conf_get_node (fit_hdr,
+ fit_uname_config);
+ if (cfg_noffset < 0) {
+ debug ("* fdt: no such config\n");
+ return 0;
+ }
+
+ fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
+ cfg_noffset);
+ if (fdt_noffset < 0) {
+ debug ("* fdt: no fdt in config\n");
+ return 0;
+ }
+ }
+#endif
+
+ debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n",
+ fdt_addr);
+
+ /* copy from dataflash if needed */
+ fdt_addr = genimg_get_image (fdt_addr);
+
+ /*
+ * Check if there is an FDT image at the
+ * address provided in the second bootm argument
+ * check image type, for FIT images get a FIT node.
+ */
+ switch (genimg_get_format ((void *)fdt_addr)) {
+ case IMAGE_FORMAT_LEGACY:
+ /* verify fdt_addr points to a valid image header */
+ printf ("## Flattened Device Tree from Legacy Image at %08lx\n",
+ fdt_addr);
+ fdt_hdr = image_get_fdt (fdt_addr);
+ if (!fdt_hdr)
+ goto error;
+
+ /*
+ * move image data to the load address,
+ * make sure we don't overwrite initial image
+ */
+ image_start = (ulong)fdt_hdr;
+ image_end = image_get_image_end (fdt_hdr);
+
+ load_start = image_get_load (fdt_hdr);
+ load_end = load_start + image_get_data_size (fdt_hdr);
+
+ if ((load_start < image_end) && (load_end > image_start)) {
+ fdt_error ("fdt overwritten");
+ goto error;
+ }
+
+ debug (" Loading FDT from 0x%08lx to 0x%08lx\n",
+ image_get_data (fdt_hdr), load_start);
+
+ memmove ((void *)load_start,
+ (void *)image_get_data (fdt_hdr),
+ image_get_data_size (fdt_hdr));
+
+ fdt_blob = (char *)load_start;
+ break;
+ case IMAGE_FORMAT_FIT:
+ /*
+ * This case will catch both: new uImage format
+ * (libfdt based) and raw FDT blob (also libfdt
+ * based).
+ */
+#if defined(CONFIG_FIT)
+ /* check FDT blob vs FIT blob */
+ if (fit_check_format ((const void *)fdt_addr)) {
+ /*
+ * FIT image
+ */
+ fit_hdr = (void *)fdt_addr;
+ printf ("## Flattened Device Tree from FIT Image at %08lx\n",
+ fdt_addr);
+
+ if (!fit_uname_fdt) {
+ /*
+ * no FDT blob 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
+ */
+ cfg_noffset = fit_conf_get_node (fit_hdr,
+ fit_uname_config);
+
+ if (cfg_noffset < 0) {
+ fdt_error ("Could not find configuration node\n");
+ goto error;
+ }
+
+ fit_uname_config = fdt_get_name (fit_hdr,
+ cfg_noffset, NULL);
+ printf (" Using '%s' configuration\n",
+ fit_uname_config);
+
+ fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
+ cfg_noffset);
+ fit_uname_fdt = fit_get_name (fit_hdr,
+ fdt_noffset, NULL);
+ } else {
+ /* get FDT component image node offset */
+ fdt_noffset = fit_image_get_node (fit_hdr,
+ fit_uname_fdt);
+ }
+ if (fdt_noffset < 0) {
+ fdt_error ("Could not find subimage node\n");
+ goto error;
+ }
+
+ printf (" Trying '%s' FDT blob subimage\n",
+ fit_uname_fdt);
+
+ if (!fit_check_fdt (fit_hdr, fdt_noffset,
+ images->verify))
+ goto error;
+
+ /* get ramdisk image data address and length */
+ if (fit_image_get_data (fit_hdr, fdt_noffset,
+ &data, &size)) {
+ fdt_error ("Could not find FDT subimage data");
+ goto error;
+ }
+
+ /* verift that image data is a proper FDT blob */
+ if (fdt_check_header ((char *)data) != 0) {
+ fdt_error ("Subimage data is not a FTD");
+ goto error;
+ }
+
+ /*
+ * move image data to the load address,
+ * make sure we don't overwrite initial image
+ */
+ image_start = (ulong)fit_hdr;
+ image_end = fit_get_end (fit_hdr);
+
+ if (fit_image_get_load (fit_hdr, fdt_noffset,
+ &load_start) == 0) {
+ load_end = load_start + size;
+
+ if ((load_start < image_end) &&
+ (load_end > image_start)) {
+ fdt_error ("FDT overwritten");
+ goto error;
+ }
+
+ printf (" Loading FDT from 0x%08lx to 0x%08lx\n",
+ (ulong)data, load_start);
+
+ memmove ((void *)load_start,
+ (void *)data, size);
+
+ fdt_blob = (char *)load_start;
+ } else {
+ fdt_blob = (char *)data;
+ }
+
+ images->fit_hdr_fdt = fit_hdr;
+ images->fit_uname_fdt = fit_uname_fdt;
+ images->fit_noffset_fdt = fdt_noffset;
+ break;
+ } else
+#endif
+ {
+ /*
+ * FDT blob
+ */
+ fdt_blob = (char *)fdt_addr;
+ debug ("* fdt: raw FDT blob\n");
+ printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob);
+ }
+ break;
+ default:
+ fdt_error ("Did not find a cmdline Flattened Device Tree");
+ goto error;
+ }
+
+ printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob);
+
+ } else if (images->legacy_hdr_valid &&
+ image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
+
+ ulong fdt_data, fdt_len;
+
+ /*
+ * Now check if we have a legacy multi-component image,
+ * get second entry data start address and len.
+ */
+ printf ("## Flattened Device Tree from multi "
+ "component Image at %08lX\n",
+ (ulong)images->legacy_hdr_os);
+
+ image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len);
+ if (fdt_len) {
+
+ fdt_blob = (char *)fdt_data;
+ printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob);
+
+ if (fdt_check_header (fdt_blob) != 0) {
+ fdt_error ("image is not a fdt");
+ goto error;
+ }
+
+ if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) {
+ fdt_error ("fdt size != image size");
+ goto error;
+ }
+ } else {
+ debug ("## No Flattened Device Tree\n");
+ return 0;
+ }
+ } else {
+ debug ("## No Flattened Device Tree\n");
+ return 0;
+ }
+
+ *of_flat_tree = fdt_blob;
+ *of_size = be32_to_cpu (fdt_totalsize (fdt_blob));
+ debug (" of_flat_tree at 0x%08lx size 0x%08lx\n",
+ *of_flat_tree, *of_size);
+
+ return 0;
+
+error:
+ *of_flat_tree = 0;
+ *of_size = 0;
+ return 1;
+}
+#endif /* CONFIG_OF_LIBFDT */
+
+/**
+ * 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 *)(ulong)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 *)(ulong)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
*
{
return fit_parse_spec (spec, ':', addr_curr, addr, image_name);
}
-
-#endif /* CONFIG_FIT */
#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
+ */
+void fit_print_contents (const void *fit)
+{
+ char *desc;
+ char *uname;
+ int images_noffset;
+ int confs_noffset;
+ int noffset;
+ int ndepth;
+ int count = 0;
+ int ret;
+ const char *p;
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
+ time_t timestamp;
+#endif
+
+#ifdef USE_HOSTCC
+ p = "";
+#else
+ p = " ";
+#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, ×tamp);
+ 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);
+ }
+ }
+}
+
+/**
+ * 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_wd (0, data, data_len,
+ CHUNKSZ_CRC32);
+ *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value));
+ *value_len = 4;
+ } else if (strcmp (algo, "sha1") == 0 ) {
+ sha1_csum_wd ((unsigned char *) data, data_len,
+ (unsigned char *) value, CHUNKSZ_SHA1);
+ *value_len = 20;
+ } else if (strcmp (algo, "md5") == 0 ) {
+ md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
+ *value_len = 16;
+ } 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 */
projects / karo-tx-uboot.git / blobdiff