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Introduce CONFIG_SPL_PANIC_ON_RAW_IMAGE

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introduce CONFIG_SPL_PANIC_ON_RAW_IMAGE.
An SPL which define this will panic() if the
image it has loaded does not have a mkimage
signature.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
This commit is contained in:
Albert ARIBAUD \(3ADEV\) 2015-03-31 11:40:50 +02:00 committed by Albert ARIBAUD
parent 39f520bb62
commit 8c80eb3b53
2 changed files with 22 additions and 0 deletions
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10
README
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@ -3607,6 +3607,16 @@ FIT uImage format:
CONFIG_SPL_STACK
Adress of the start of the stack SPL will use
CONFIG_SPL_PANIC_ON_RAW_IMAGE
When defined, SPL will panic() if the image it has
loaded does not have a signature.
Defining this is useful when code which loads images
in SPL cannot guarantee that absolutely all read errors
will be caught.
An example is the LPC32XX MLC NAND driver, which will
consider that a completely unreadable NAND block is bad,
and thus should be skipped silently.
CONFIG_SPL_RELOC_STACK
Adress of the start of the stack SPL will use after
relocation. If unspecified, this is equal to

12
common/spl/spl.c
View File

@ -101,10 +101,22 @@ void spl_parse_image_header(const struct image_header *header)
(int)sizeof(spl_image.name), spl_image.name,
spl_image.load_addr, spl_image.size);
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*
* CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
* code which loads images in SPL cannot guarantee that
* absolutely all read errors will be reported.
* An example is the LPC32XX MLC NAND driver, which
* will consider that a completely unreadable NAND block
* is bad, and thus should be skipped silently.
*/
panic("** no mkimage signature but raw image not supported");
#else
/* Signature not found - assume u-boot.bin */
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
spl_set_header_raw_uboot();
#endif
}
}