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-rw-r--r--common/image-fit.c143
1 files changed, 86 insertions, 57 deletions
diff --git a/common/image-fit.c b/common/image-fit.c
index a74b44f298..e346fed550 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -22,6 +22,7 @@
DECLARE_GLOBAL_DATA_PTR;
#endif /* !USE_HOSTCC*/
+#include <bootm.h>
#include <image.h>
#include <bootstage.h>
#include <u-boot/crc.h>
@@ -1521,6 +1522,10 @@ int fit_check_format(const void *fit)
* compatible list, "foo,bar", matches a compatible string in the root of fdt1.
* "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
*
+ * As an optimization, the compatible property from the FDT's root node can be
+ * copied into the configuration node in the FIT image. This is required to
+ * match configurations with compressed FDTs.
+ *
* returns:
* offset to the configuration to use if one was found
* -1 otherwise
@@ -1553,48 +1558,62 @@ int fit_conf_find_compat(const void *fit, const void *fdt)
for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
(noffset >= 0) && (ndepth > 0);
noffset = fdt_next_node(fit, noffset, &ndepth)) {
- const void *kfdt;
+ const void *fdt;
const char *kfdt_name;
- int kfdt_noffset;
+ int kfdt_noffset, compat_noffset;
const char *cur_fdt_compat;
int len;
- size_t size;
+ size_t sz;
int i;
if (ndepth > 1)
continue;
- kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
- if (!kfdt_name) {
- debug("No fdt property found.\n");
- continue;
- }
- kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
- kfdt_name);
- if (kfdt_noffset < 0) {
- debug("No image node named \"%s\" found.\n",
- kfdt_name);
- continue;
- }
- /*
- * Get a pointer to this configuration's fdt.
- */
- if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
- debug("Failed to get fdt \"%s\".\n", kfdt_name);
- continue;
+ /* If there's a compat property in the config node, use that. */
+ if (fdt_getprop(fit, noffset, "compatible", NULL)) {
+ fdt = fit; /* search in FIT image */
+ compat_noffset = noffset; /* search under config node */
+ } else { /* Otherwise extract it from the kernel FDT. */
+ kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
+ if (!kfdt_name) {
+ debug("No fdt property found.\n");
+ continue;
+ }
+ kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
+ kfdt_name);
+ if (kfdt_noffset < 0) {
+ debug("No image node named \"%s\" found.\n",
+ kfdt_name);
+ continue;
+ }
+
+ if (!fit_image_check_comp(fit, kfdt_noffset,
+ IH_COMP_NONE)) {
+ debug("Can't extract compat from \"%s\" "
+ "(compressed)\n", kfdt_name);
+ continue;
+ }
+
+ /* search in this config's kernel FDT */
+ if (fit_image_get_data(fit, kfdt_noffset, &fdt, &sz)) {
+ debug("Failed to get fdt \"%s\".\n", kfdt_name);
+ continue;
+ }
+
+ compat_noffset = 0; /* search kFDT under root node */
}
len = fdt_compat_len;
cur_fdt_compat = fdt_compat;
/*
* Look for a match for each U-Boot compatibility string in
- * turn in this configuration's fdt.
+ * turn in the compat string property.
*/
for (i = 0; len > 0 &&
(!best_match_offset || best_match_pos > i); i++) {
int cur_len = strlen(cur_fdt_compat) + 1;
- if (!fdt_node_check_compatible(kfdt, 0,
+ if (!fdt_node_check_compatible(fdt, compat_noffset,
cur_fdt_compat)) {
best_match_offset = noffset;
best_match_pos = i;
@@ -1795,11 +1814,12 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
const char *fit_uname_config;
const char *fit_base_uname_config;
const void *fit;
- const void *buf;
+ void *buf;
+ void *loadbuf;
size_t size;
int type_ok, os_ok;
- ulong load, data, len;
- uint8_t os;
+ ulong load, load_end, data, len;
+ uint8_t os, comp;
#ifndef USE_HOSTCC
uint8_t os_arch;
#endif
@@ -1895,12 +1915,6 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
images->os.arch = os_arch;
#endif
- if (image_type == IH_TYPE_FLATDT &&
- !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
- puts("FDT image is compressed");
- return -EPROTONOSUPPORT;
- }
-
bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
type_ok = fit_image_check_type(fit, noffset, image_type) ||
fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
@@ -1931,7 +1945,8 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
/* get image data address and length */
- if (fit_image_get_data_and_size(fit, noffset, &buf, &size)) {
+ if (fit_image_get_data_and_size(fit, noffset,
+ (const void **)&buf, &size)) {
printf("Could not find %s subimage data!\n", prop_name);
bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
return -ENOENT;
@@ -1939,30 +1954,15 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
#if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS)
/* perform any post-processing on the image data */
- board_fit_image_post_process((void **)&buf, &size);
+ board_fit_image_post_process(&buf, &size);
#endif
len = (ulong)size;
- /* verify that image data is a proper FDT blob */
- if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
- puts("Subimage data is not a FDT");
- return -ENOEXEC;
- }
-
bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
- /*
- * Work-around for eldk-4.2 which gives this warning if we try to
- * cast in the unmap_sysmem() call:
- * warning: initialization discards qualifiers from pointer target type
- */
- {
- void *vbuf = (void *)buf;
-
- data = map_to_sysmem(vbuf);
- }
-
+ data = map_to_sysmem(buf);
+ load = data;
if (load_op == FIT_LOAD_IGNORED) {
/* Don't load */
} else if (fit_image_get_load(fit, noffset, &load)) {
@@ -1974,8 +1974,6 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
}
} else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
ulong image_start, image_end;
- ulong load_end;
- void *dst;
/*
* move image data to the load address,
@@ -1993,14 +1991,45 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
printf(" Loading %s from 0x%08lx to 0x%08lx\n",
prop_name, data, load);
+ } else {
+ load = data; /* No load address specified */
+ }
+
+ comp = IH_COMP_NONE;
+ loadbuf = buf;
+ /* Kernel images get decompressed later in bootm_load_os(). */
+ if (!(image_type == IH_TYPE_KERNEL ||
+ image_type == IH_TYPE_KERNEL_NOLOAD) &&
+ !fit_image_get_comp(fit, noffset, &comp) &&
+ comp != IH_COMP_NONE) {
+ ulong max_decomp_len = len * 20;
+ if (load == data) {
+ loadbuf = malloc(max_decomp_len);
+ load = map_to_sysmem(loadbuf);
+ } else {
+ loadbuf = map_sysmem(load, max_decomp_len);
+ }
+ if (image_decomp(comp, load, data, image_type,
+ loadbuf, buf, len, max_decomp_len, &load_end)) {
+ printf("Error decompressing %s\n", prop_name);
- dst = map_sysmem(load, len);
- memmove(dst, buf, len);
- data = load;
+ return -ENOEXEC;
+ }
+ len = load_end - load;
+ } else if (load != data) {
+ loadbuf = map_sysmem(load, len);
+ memcpy(loadbuf, buf, len);
}
+
+ /* verify that image data is a proper FDT blob */
+ if (image_type == IH_TYPE_FLATDT && fdt_check_header(loadbuf)) {
+ puts("Subimage data is not a FDT");
+ return -ENOEXEC;
+ }
+
bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
- *datap = data;
+ *datap = load;
*lenp = len;
if (fit_unamep)
*fit_unamep = (char *)fit_uname;
generated by cgit (git 2.34.1) at 2025-01-21 09:19:13 +0000