spl: Add option to enable SPL Legacy image support

Add a Kconfig option that enables Legacy image support, this allows
boards to explicitly disable this, for instance when needed for
security reasons.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Move to common/spl/Kconfig]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Andrew F. Davis 2017-02-16 11:18:39 -06:00 committed by Tom Rini
parent 24eb39b575
commit 722a6b1741
2 changed files with 16 additions and 2 deletions

View file

@ -23,6 +23,14 @@ config SPL_RAW_IMAGE_SUPPORT
is y. If this is not set, SPL will move on to other available
boot media to find a suitable image.
config SPL_LEGACY_IMAGE_SUPPORT
bool "Support SPL loading and booting of Legacy images"
default y
help
SPL will support loading and booting Legacy images when this option
is y. If this is not set, SPL will move on to other available
boot media to find a suitable image.
config SPL_SYS_MALLOC_SIMPLE
bool
depends on SPL

View file

@ -93,9 +93,10 @@ void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
int spl_parse_image_header(struct spl_image_info *spl_image,
const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
if (image_get_magic(header) == IH_MAGIC) {
#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
u32 header_size = sizeof(struct image_header);
if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
@ -118,6 +119,11 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
(int)sizeof(spl_image->name), spl_image->name,
spl_image->load_addr, spl_image->size);
#else
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods");
return -EINVAL;
#endif
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*