* Implement new mechanism to export U-Boot's functions to standalone

[u-boot.git] / common / cmd_bootm.c

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index d1d03e3194b4c0d1671b68fe644c74ac35d63243..13436594f6e80315e2e2a73ddf089a4dc13c85bd 100644 (file)
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -80,6 +80,13 @@ static void zfree(void *, void *, unsigned);
 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
 static int image_info (unsigned long addr);
 #endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
+#include <flash.h>
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+
 static void print_type (image_header_t *hdr);
 
 #ifdef __I386__
@@ -961,6 +968,56 @@ U_BOOT_CMD(
 
 #endif /* CFG_CMD_IMI */
 
+#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
+/*-----------------------------------------------------------------------
+ * List all images found in flash.
+ */
+int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+       flash_info_t *info;
+       int i, j;
+       image_header_t *hdr;
+       ulong checksum;
+
+       for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
+               if (info->flash_id == FLASH_UNKNOWN)
+                       goto next_bank;
+               for (j=0; j<CFG_MAX_FLASH_SECT; ++j) {
+
+                       if (!(hdr=(image_header_t *)info->start[j]) ||
+                           (ntohl(hdr->ih_magic) != IH_MAGIC))
+                               goto next_sector;
+
+                       /* Copy header so we can blank CRC field for re-calculation */
+                       memmove (&header, (char *)hdr, sizeof(image_header_t));
+
+                       checksum = ntohl(header.ih_hcrc);
+                       header.ih_hcrc = 0;
+
+                       if (crc32 (0, (char *)&header, sizeof(image_header_t))
+                           != checksum)
+                               goto next_sector;
+
+                       printf ("Image at %08lX:\n", (ulong)hdr);
+                       print_image_hdr( hdr );
+                       putc ('\n');
+               next_sector:
+               }
+       next_bank:
+       }
+
+       return (0);
+}
+
+U_BOOT_CMD(
+       imls,   1,              1,      do_imls,
+       "imls    - list all images found in flash\n",
+       "\n"
+       "    - Prints information about all images found at sector\n"
+       "      boundaries in flash.\n"
+);
+#endif /* CFG_CMD_IMLS */
+
 void
 print_image_hdr (image_header_t *hdr)
 {