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Diffstat (limited to 'common/cmd_autoscript.c')
-rw-r--r--common/cmd_autoscript.c153
1 files changed, 107 insertions, 46 deletions
diff --git a/common/cmd_autoscript.c b/common/cmd_autoscript.c
index a6038a6..1a37b90 100644
--- a/common/cmd_autoscript.c
+++ b/common/cmd_autoscript.c
@@ -49,57 +49,110 @@
#if defined(CONFIG_AUTOSCRIPT) || defined(CONFIG_CMD_AUTOSCRIPT)
-extern image_header_t header; /* from cmd_bootm.c */
int
-autoscript (ulong addr)
+autoscript (ulong addr, const char *fit_uname)
{
- ulong crc, data, len;
- image_header_t *hdr = &header;
- ulong *len_ptr;
- char *cmd;
- int rcode = 0;
- int verify;
+ ulong len;
+ image_header_t *hdr;
+ ulong *data;
+ char *cmd;
+ int rcode = 0;
+ int verify;
+#if defined(CONFIG_FIT)
+ const void* fit_hdr;
+ int noffset;
+ const void *fit_data;
+ size_t fit_len;
+#endif
- cmd = getenv ("verify");
- verify = (cmd && (*cmd == 'n')) ? 0 : 1;
+ verify = getenv_verify ();
+ switch (genimg_get_format ((void *)addr)) {
+ case IMAGE_FORMAT_LEGACY:
+ hdr = (image_header_t *)addr;
- memmove (hdr, (char *)addr, sizeof(image_header_t));
+ if (!image_check_magic (hdr)) {
+ puts ("Bad magic number\n");
+ return 1;
+ }
- if (ntohl(hdr->ih_magic) != IH_MAGIC) {
- puts ("Bad magic number\n");
- return 1;
- }
+ if (!image_check_hcrc (hdr)) {
+ puts ("Bad header crc\n");
+ return 1;
+ }
- crc = ntohl(hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
- len = sizeof (image_header_t);
- data = (ulong)hdr;
- if (crc32(0, (uchar *)data, len) != crc) {
- puts ("Bad header crc\n");
- return 1;
- }
+ if (verify) {
+ if (!image_check_dcrc (hdr)) {
+ puts ("Bad data crc\n");
+ return 1;
+ }
+ }
- data = addr + sizeof(image_header_t);
- len = ntohl(hdr->ih_size);
+ if (!image_check_type (hdr, IH_TYPE_SCRIPT)) {
+ puts ("Bad image type\n");
+ return 1;
+ }
+
+ /* get length of script */
+ data = (ulong *)image_get_data (hdr);
- if (verify) {
- if (crc32(0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
- puts ("Bad data crc\n");
+ if ((len = uimage_to_cpu (*data)) == 0) {
+ puts ("Empty Script\n");
return 1;
}
- }
- if (hdr->ih_type != IH_TYPE_SCRIPT) {
- puts ("Bad image type\n");
- return 1;
- }
+ /*
+ * scripts are just multi-image files with one component, seek
+ * past the zero-terminated sequence of image lengths to get
+ * to the actual image data
+ */
+ while (*data++);
+ break;
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ if (fit_uname == NULL) {
+ puts ("No FIT subimage unit name\n");
+ return 1;
+ }
- /* get length of script */
- len_ptr = (ulong *)data;
+ fit_hdr = (const void *)addr;
+ if (!fit_check_format (fit_hdr)) {
+ puts ("Bad FIT image format\n");
+ return 1;
+ }
+
+ /* get script component image node offset */
+ noffset = fit_image_get_node (fit_hdr, fit_uname);
+ if (noffset < 0) {
+ printf ("Can't find '%s' FIT subimage\n", fit_uname);
+ return 1;
+ }
+
+ if (!fit_image_check_type (fit_hdr, noffset, IH_TYPE_SCRIPT)) {
+ puts ("Not a image image\n");
+ return 1;
+ }
+
+ /* verify integrity */
+ if (verify) {
+ if (!fit_image_check_hashes (fit_hdr, noffset)) {
+ puts ("Bad Data Hash\n");
+ return 1;
+ }
+ }
- if ((len = ntohl(*len_ptr)) == 0) {
- puts ("Empty Script\n");
+ /* get script subimage data address and length */
+ if (fit_image_get_data (fit_hdr, noffset, &fit_data, &fit_len)) {
+ puts ("Could not find script subimage data\n");
+ return 1;
+ }
+
+ data = (ulong *)fit_data;
+ len = (ulong)fit_len;
+ break;
+#endif
+ default:
+ puts ("Wrong image format for autoscript\n");
return 1;
}
@@ -109,10 +162,8 @@ autoscript (ulong addr)
return 1;
}
- while (*len_ptr++);
-
/* make sure cmd is null terminated */
- memmove (cmd, (char *)len_ptr, len);
+ memmove (cmd, (char *)data, len);
*(cmd + len) = 0;
#ifdef CFG_HUSH_PARSER /*?? */
@@ -158,25 +209,35 @@ do_autoscript (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
int rcode;
+ const char *fit_uname = NULL;
+ /* Find script image */
if (argc < 2) {
addr = CFG_LOAD_ADDR;
+ debug ("* autoscr: default load address = 0x%08lx\n", addr);
+#if defined(CONFIG_FIT)
+ } else if (fit_parse_subimage (argv[1], load_addr, &addr, &fit_uname)) {
+ debug ("* autoscr: subimage '%s' from FIT image at 0x%08lx\n",
+ fit_uname, addr);
+#endif
} else {
- addr = simple_strtoul (argv[1],0,16);
+ addr = simple_strtoul(argv[1], NULL, 16);
+ debug ("* autoscr: cmdline image address = 0x%08lx\n", addr);
}
- printf ("## Executing script at %08lx\n",addr);
- rcode = autoscript (addr);
+ printf ("## Executing script at %08lx\n", addr);
+ rcode = autoscript (addr, fit_uname);
return rcode;
}
-#if defined(CONFIG_CMD_AUTOSCRIPT)
U_BOOT_CMD(
autoscr, 2, 0, do_autoscript,
"autoscr - run script from memory\n",
"[addr] - run script starting at addr"
" - A valid autoscr header must be present\n"
-);
+#if defined(CONFIG_FIT)
+ "For FIT format uImage addr must include subimage\n"
+ "unit name in the form of addr:<subimg_uname>\n"
#endif
-
+);
#endif