2020-07-10 09:39:45 +09:00
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# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2016 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# Entry-type module for producing a FIT
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#
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from collections import defaultdict, OrderedDict
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import libfdt
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2020-09-01 20:13:59 +09:00
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from binman.entry import Entry, EntryArg
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2020-07-10 09:39:45 +09:00
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from dtoc import fdt_util
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from dtoc.fdt import Fdt
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from patman import tools
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class Entry_fit(Entry):
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"""Entry containing a FIT
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This calls mkimage to create a FIT (U-Boot Flat Image Tree) based on the
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input provided.
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Nodes for the FIT should be written out in the binman configuration just as
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they would be in a file passed to mkimage.
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For example, this creates an image containing a FIT with U-Boot SPL:
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binman {
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fit {
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description = "Test FIT";
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2020-09-01 20:13:59 +09:00
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fit,fdt-list = "of-list";
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2020-07-10 09:39:45 +09:00
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images {
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kernel@1 {
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description = "SPL";
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os = "u-boot";
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type = "rkspi";
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arch = "arm";
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compression = "none";
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load = <0>;
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entry = <0>;
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u-boot-spl {
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};
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};
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};
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};
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};
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2020-09-01 20:13:59 +09:00
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U-Boot supports creating fdt and config nodes automatically. To do this,
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pass an of-list property (e.g. -a of-list=file1 file2). This tells binman
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that you want to generates nodes for two files: file1.dtb and file2.dtb
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The fit,fdt-list property (see above) indicates that of-list should be used.
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If the property is missing you will get an error.
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Then add a 'generator node', a node with a name starting with '@':
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images {
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@fdt-SEQ {
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description = "fdt-NAME";
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type = "flat_dt";
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compression = "none";
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};
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};
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This tells binman to create nodes fdt-1 and fdt-2 for each of your two
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files. All the properties you specify will be included in the node. This
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node acts like a template to generate the nodes. The generator node itself
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does not appear in the output - it is replaced with what binman generates.
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You can create config nodes in a similar way:
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configurations {
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default = "@config-DEFAULT-SEQ";
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@config-SEQ {
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description = "NAME";
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firmware = "uboot";
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loadables = "atf";
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fdt = "fdt-SEQ";
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};
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};
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This tells binman to create nodes config-1 and config-2, i.e. a config for
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each of your two files.
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Available substitutions for '@' nodes are:
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SEQ Sequence number of the generated fdt (1, 2, ...)
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NAME Name of the dtb as provided (i.e. without adding '.dtb')
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Note that if no devicetree files are provided (with '-a of-list' as above)
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then no nodes will be generated.
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2020-09-07 01:39:08 +09:00
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The 'default' property, if present, will be automatically set to the name
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if of configuration whose devicetree matches the 'default-dt' entry
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argument, e.g. with '-a default-dt=sun50i-a64-pine64-lts'.
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Available substitutions for '@' property values are:
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DEFAULT-SEQ Sequence number of the default fdt,as provided by the
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'default-dt' entry argument
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2020-09-01 20:13:59 +09:00
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Properties (in the 'fit' node itself):
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2020-07-10 09:39:45 +09:00
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fit,external-offset: Indicates that the contents of the FIT are external
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and provides the external offset. This is passsed to mkimage via
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the -E and -p flags.
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"""
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def __init__(self, section, etype, node):
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"""
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Members:
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_fit: FIT file being built
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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_fit_sections: dict:
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2020-07-10 09:39:45 +09:00
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key: relative path to entry Node (from the base of the FIT)
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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value: Entry_section object comprising the contents of this
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2020-07-10 09:39:45 +09:00
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node
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"""
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super().__init__(section, etype, node)
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self._fit = None
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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self._fit_sections = {}
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2020-07-10 09:39:45 +09:00
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self._fit_props = {}
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2020-09-01 20:13:59 +09:00
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for pname, prop in self._node.props.items():
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if pname.startswith('fit,'):
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self._fit_props[pname] = prop
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self._fdts = None
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self._fit_list_prop = self._fit_props.get('fit,fdt-list')
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if self._fit_list_prop:
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fdts, = self.GetEntryArgsOrProps(
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[EntryArg(self._fit_list_prop.value, str)])
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if fdts is not None:
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self._fdts = fdts.split()
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2020-09-07 01:39:08 +09:00
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self._fit_default_dt = self.GetEntryArgsOrProps([EntryArg('default-dt',
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str)])[0]
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2020-07-10 09:39:45 +09:00
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def ReadNode(self):
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self._ReadSubnodes()
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super().ReadNode()
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def _ReadSubnodes(self):
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def _AddNode(base_node, depth, node):
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"""Add a node to the FIT
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Args:
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base_node: Base Node of the FIT (with 'description' property)
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depth: Current node depth (0 is the base node)
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node: Current node to process
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There are two cases to deal with:
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- hash and signature nodes which become part of the FIT
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- binman entries which are used to define the 'data' for each
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image
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"""
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for pname, prop in node.props.items():
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2020-09-01 20:13:59 +09:00
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if not pname.startswith('fit,'):
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2020-09-07 01:39:08 +09:00
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if pname == 'default':
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val = prop.value
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# Handle the 'default' property
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if val.startswith('@'):
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if not self._fdts:
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continue
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if not self._fit_default_dt:
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self.Raise("Generated 'default' node requires default-dt entry argument")
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if self._fit_default_dt not in self._fdts:
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self.Raise("default-dt entry argument '%s' not found in fdt list: %s" %
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(self._fit_default_dt,
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', '.join(self._fdts)))
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seq = self._fdts.index(self._fit_default_dt)
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val = val[1:].replace('DEFAULT-SEQ', str(seq + 1))
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fsw.property_string(pname, val)
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continue
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2020-07-10 09:39:45 +09:00
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fsw.property(pname, prop.bytes)
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rel_path = node.path[len(base_node.path):]
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2020-09-01 20:13:59 +09:00
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in_images = rel_path.startswith('/images')
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has_images = depth == 2 and in_images
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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if has_images:
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# This node is a FIT subimage node (e.g. "/images/kernel")
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# containing content nodes. We collect the subimage nodes and
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# section entries for them here to merge the content subnodes
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# together and put the merged contents in the subimage node's
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# 'data' property later.
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entry = Entry.Create(self.section, node, etype='section')
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entry.ReadNode()
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self._fit_sections[rel_path] = entry
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2020-07-10 09:39:45 +09:00
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for subnode in node.subnodes:
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if has_images and not (subnode.name.startswith('hash') or
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subnode.name.startswith('signature')):
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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# This subnode is a content node not meant to appear in
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# the FIT (e.g. "/images/kernel/u-boot"), so don't call
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# fsw.add_node() or _AddNode() for it.
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pass
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2020-09-01 20:13:59 +09:00
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elif subnode.name.startswith('@'):
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if self._fdts:
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# Generate notes for each FDT
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for seq, fdt_fname in enumerate(self._fdts):
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node_name = subnode.name[1:].replace('SEQ',
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str(seq + 1))
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fname = tools.GetInputFilename(fdt_fname + '.dtb')
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with fsw.add_node(node_name):
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for pname, prop in subnode.props.items():
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val = prop.bytes.replace(
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b'NAME', tools.ToBytes(fdt_fname))
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val = val.replace(
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b'SEQ', tools.ToBytes(str(seq + 1)))
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fsw.property(pname, val)
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# Add data for 'fdt' nodes (but not 'config')
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if depth == 1 and in_images:
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fsw.property('data',
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tools.ReadFile(fname))
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else:
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if self._fdts is None:
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if self._fit_list_prop:
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self.Raise("Generator node requires '%s' entry argument" %
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self._fit_list_prop.value)
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else:
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self.Raise("Generator node requires 'fit,fdt-list' property")
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else:
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with fsw.add_node(subnode.name):
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_AddNode(base_node, depth + 1, subnode)
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# Build a new tree with all nodes and properties starting from the
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# entry node
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fsw = libfdt.FdtSw()
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fsw.finish_reservemap()
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with fsw.add_node(''):
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_AddNode(self._node, 0, self._node)
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fdt = fsw.as_fdt()
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# Pack this new FDT and scan it so we can add the data later
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fdt.pack()
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self._fdt = Fdt.FromData(fdt.as_bytearray())
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self._fdt.Scan()
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def ObtainContents(self):
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"""Obtain the contents of the FIT
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This adds the 'data' properties to the input ITB (Image-tree Binary)
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then runs mkimage to process it.
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"""
|
binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
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# self._BuildInput() either returns bytes or raises an exception.
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2020-07-10 09:39:45 +09:00
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data = self._BuildInput(self._fdt)
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uniq = self.GetUniqueName()
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input_fname = tools.GetOutputFilename('%s.itb' % uniq)
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output_fname = tools.GetOutputFilename('%s.fit' % uniq)
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tools.WriteFile(input_fname, data)
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tools.WriteFile(output_fname, data)
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args = []
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ext_offset = self._fit_props.get('fit,external-offset')
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if ext_offset is not None:
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args += ['-E', '-p', '%x' % fdt_util.fdt32_to_cpu(ext_offset.value)]
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tools.Run('mkimage', '-t', '-F', output_fname, *args)
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self.SetContents(tools.ReadFile(output_fname))
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return True
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def _BuildInput(self, fdt):
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"""Finish the FIT by adding the 'data' properties to it
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Arguments:
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fdt: FIT to update
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Returns:
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New fdt contents (bytes)
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"""
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binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
|
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for path, section in self._fit_sections.items():
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2020-07-10 09:39:45 +09:00
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node = fdt.GetNode(path)
|
binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
|
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# Entry_section.ObtainContents() either returns True or
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# raises an exception.
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section.ObtainContents()
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section.Pack(0)
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data = section.GetData()
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2020-07-10 09:39:45 +09:00
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node.AddData('data', data)
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fdt.Sync(auto_resize=True)
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data = fdt.GetContents()
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return data
|
binman: Build FIT image subentries with the section etype
When reading subentries of each image, the FIT entry type directly
concatenates their contents without padding them according to their
offset, size, align, align-size, align-end, pad-before, pad-after
properties.
This patch makes sure these properties are respected by offloading this
image-data building to the section etype, where each subnode of the
"images" node is processed as a section. Alignments and offsets are
respective to the beginning of each image. For example, the following
fragment can end up having "u-boot-spl" start at 0x88 within the final
FIT binary, while "u-boot" would then end up starting at e.g. 0x20088.
fit {
description = "example";
images {
kernel-1 {
description = "U-Boot with SPL";
type = "kernel";
arch = "arm64";
os = "linux";
compression = "none";
u-boot-spl {
};
u-boot {
align = <0x10000>;
};
};
};
}
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reinstate check in testPadInSections(), squash in
"binman: Allow FIT binaries to have missing external blobs"
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2020-08-31 18:58:20 +09:00
|
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def CheckMissing(self, missing_list):
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"""Check if any entries in this FIT have missing external blobs
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If there are missing blobs, the entries are added to the list
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Args:
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missing_list: List of Entry objects to be added to
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"""
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for path, section in self._fit_sections.items():
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section.CheckMissing(missing_list)
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def SetAllowMissing(self, allow_missing):
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for section in self._fit_sections.values():
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section.SetAllowMissing(allow_missing)
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