70e6bcc43f
Add some more comments to explain what is going on in the signing functions. Fix two repeated typos. Signed-off-by: Simon Glass <sjg@chromium.org>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2008 Semihalf
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*/
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#ifndef __FDT_HOST_H__
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#define __FDT_HOST_H__
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/* Make sure to include u-boot version of libfdt include files */
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#include "../include/linux/libfdt.h"
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#include "../include/fdt_support.h"
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/**
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* fdt_remove_unused_strings() - Remove any unused strings from an FDT
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*
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* This creates a new device tree in @new with unused strings removed. The
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* called can then use fdt_pack() to minimise the space consumed.
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*
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* @old: Old device tree blog
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* @new: Place to put new device tree blob, which must be as large as
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* @old
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* @return
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* 0, on success
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* -FDT_ERR_BADOFFSET, corrupt device tree
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* -FDT_ERR_NOSPACE, out of space, which should not happen unless there
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* is something very wrong with the device tree input
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*/
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int fdt_remove_unused_strings(const void *old, void *new);
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/**
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* fit_check_sign() - Check a signature in a FIT
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*
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* @fit: FIT to check
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* @key: Key FDT blob to check against
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* @fit_uname_config: Name of configuration to check (NULL for default)
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* @return 0 if OK, -ve if signature failed
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*/
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int fit_check_sign(const void *fit, const void *key,
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const char *fit_uname_config);
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#endif /* __FDT_HOST_H__ */
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