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 <a...@ti.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Kconfig | 8 ++++++++
common/spl/spl.c | 10 ++++++++--
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/Kconfig b/Kconfig
index cfc8f929ee..8504199493 100644
--- a/Kconfig
+++ b/Kconfig
@@ -299,6 +299,14 @@ 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 SYS_CLK_FREQ
depends on ARC || ARCH_SUNXI
int "CPU clock frequency"
diff --git a/common/spl/spl.c b/common/spl/spl.c
index da8f55eef6..3d6c0ecba1 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -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
/*
--
2.11.0
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