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-rw-r--r--common/cmd_bootm.c155
1 files changed, 144 insertions, 11 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index daee7bf..96d09e6 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -66,6 +66,11 @@ static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
static void fixup_silent_linux (void);
#endif
+static image_header_t *image_get_kernel (ulong img_addr, int verify);
+#if defined(CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify);
+#endif
+
static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
bootm_headers_t *images, ulong *os_data, ulong *os_len);
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
@@ -125,6 +130,9 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
ulong image_start, image_end;
ulong load_start, load_end;
ulong mem_start, mem_size;
+#if defined(CONFIG_FIT)
+ int os_noffset;
+#endif
struct lmb lmb;
@@ -145,8 +153,10 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* get kernel image header, start address and length */
os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
&images, &os_data, &os_len);
- if (os_len == 0)
+ if (os_len == 0) {
+ puts ("ERROR: can't get kernel image!\n");
return 1;
+ }
show_boot_progress (6);
@@ -162,8 +172,37 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
- fit_unsupported ("bootm");
- return 1;
+ os_noffset = fit_image_get_node (images.fit_hdr_os,
+ images.fit_uname_os);
+ if (os_noffset < 0) {
+ printf ("Can't get image node for '%s'!\n",
+ images.fit_uname_os);
+ return 1;
+ }
+
+ if (fit_image_get_type (images.fit_hdr_os, os_noffset, &type)) {
+ puts ("Can't get image type!\n");
+ return 1;
+ }
+
+ if (fit_image_get_comp (images.fit_hdr_os, os_noffset, &comp)) {
+ puts ("Can't get image compression!\n");
+ return 1;
+ }
+
+ if (fit_image_get_os (images.fit_hdr_os, os_noffset, &os)) {
+ puts ("Can't get image OS!\n");
+ return 1;
+ }
+
+ image_end = fit_get_end (images.fit_hdr_os);
+
+ if (fit_image_get_load (images.fit_hdr_os, os_noffset,
+ &load_start)) {
+ puts ("Can't get image load address!\n");
+ return 1;
+ }
+ break;
#endif
default:
puts ("ERROR: unknown image format type!\n");
@@ -360,6 +399,47 @@ static image_header_t *image_get_kernel (ulong img_addr, int verify)
}
/**
+ * fit_check_kernel - verify FIT format kernel subimage
+ * @fit_hdr: pointer to the FIT image header
+ * os_noffset: kernel subimage node offset within FIT image
+ * @verify: data CRC verification flag
+ *
+ * fit_check_kernel() verifies integrity of the kernel subimage and from
+ * specified FIT image.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+#if defined (CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify)
+{
+ fit_image_print (fit, os_noffset, " ");
+
+ if (verify) {
+ puts (" Verifying Hash Integrity ... ");
+ if (!fit_image_check_hashes (fit, os_noffset)) {
+ puts ("Bad Data Hash\n");
+ return 0;
+ }
+ puts ("OK\n");
+ }
+
+ if (!fit_image_check_target_arch (fit, os_noffset)) {
+ puts ("Unsupported Architecture\n");
+ return 0;
+ }
+
+ if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
+ puts ("Not a kernel image\n");
+ return 0;
+ }
+
+ return 1;
+}
+#endif /* CONFIG_FIT */
+
+/**
* boot_get_kernel - find kernel image
* @os_data: pointer to a ulong variable, will hold os data start address
* @os_len: pointer to a ulong variable, will hold os data length
@@ -380,6 +460,10 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
void *fit_hdr;
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
+ const void *data;
+ size_t len;
+ int conf_noffset;
+ int os_noffset;
#endif
/* find out kernel image address */
@@ -403,21 +487,22 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
}
show_boot_progress (1);
- printf ("## Booting kernel image at %08lx ...\n", img_addr);
/* copy from dataflash if needed */
img_addr = genimg_get_image (img_addr);
/* check image type, for FIT images get FIT kernel node */
+ *os_data = *os_len = 0;
switch (genimg_get_format ((void *)img_addr)) {
case IMAGE_FORMAT_LEGACY:
-
- debug ("* kernel: legacy format image\n");
+ printf ("## Booting kernel from Legacy Image at %08lx ...\n",
+ img_addr);
hdr = image_get_kernel (img_addr, images->verify);
if (!hdr)
return NULL;
show_boot_progress (5);
+ /* get os_data and os_len */
switch (image_get_type (hdr)) {
case IH_TYPE_KERNEL:
*os_data = image_get_data (hdr);
@@ -438,17 +523,57 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = (void *)img_addr;
- debug ("* kernel: FIT format image\n");
- fit_unsupported ("kernel");
- return NULL;
+ printf ("## Booting kernel from FIT Image at %08lx ...\n",
+ img_addr);
+
+ if (!fit_check_format (fit_hdr)) {
+ puts ("Bad FIT kernel image format!\n");
+ return NULL;
+ }
+
+ if (!fit_uname_kernel) {
+ /*
+ * no kernel 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
+ */
+ conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+ if (conf_noffset < 0)
+ return NULL;
+
+ os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
+ fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
+ } else {
+ /* get kernel component image node offset */
+ os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
+ }
+ if (os_noffset < 0)
+ return NULL;
+
+ printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
+
+ if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
+ return NULL;
+
+ /* get kernel image data address and length */
+ if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
+ puts ("Could not find kernel subimage data!\n");
+ return NULL;
+ }
+
+ *os_len = len;
+ *os_data = (ulong)data;
+ images->fit_hdr_os = fit_hdr;
+ images->fit_uname_os = fit_uname_kernel;
+ break;
#endif
default:
printf ("Wrong Image Format for %s command\n", cmdtp->name);
return NULL;
}
- debug (" kernel data at 0x%08lx, end = 0x%08lx\n",
- *os_data, *os_data + *os_len);
+ debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
+ *os_data, *os_len, *os_len);
return (void *)img_addr;
}
@@ -466,6 +591,14 @@ U_BOOT_CMD(
"\tuse a '-' for the second argument. If you do not pass a third\n"
"\ta bd_info struct will be passed instead\n"
#endif
+#if defined(CONFIG_FIT)
+ "\t\nFor the new multi component uImage format (FIT) addresses\n"
+ "\tmust be extened to include component or configuration unit name:\n"
+ "\taddr:<subimg_uname> - direct component image specification\n"
+ "\taddr#<conf_uname> - configuration specification\n"
+ "\tUse iminfo command to get the list of existing component\n"
+ "\timages and configurations.\n"
+#endif
);
/*******************************************************************/