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This large patch removes all trailing whitespace from dtc (including
libfdt, the testsuite and documentation). It also removes a handful
of redundant blank lines (at the end of functions, or when there are
two blank lines together for no particular reason).
As well as anything else, this means that quilt won't whinge when I go
to convert the whole of libfdt into a patch to apply to the kernel.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Extend the parser grammer to allow labels before or after any
property data (string, cell list, or byte list), and any
byte or cell within the property data.
Store the labels using the same linked list structure as node
references, but using a parallel list.
When writing assembly output emit global labels as offsets from
the start of the definition of the data.
Note that the alignment for a cell list is done as part of the
opening < delimiter, not the = or , before it. To label a cell
after a string or byte list put the label inside the cell list.
For example,
prop = zero: [ aa bb ], two: < four: 1234 > eight: ;
will produce labels with offsets 0, 2, 4, and 8 bytes from
the beginning of the data for property prop.
Signed-off-by: Milton Miller <miltonm@bga.com>
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Allow a label to be placed on a memory reserve entry.
Change the parser to recognize and store them. Emit
them when writing assembly output.
Signed-off-by: Milton Miller <miltonm@bga.com>
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Check that strtoul() parsed the complete string.
As with the number overflow case, write a non-fatal error
message to stdout.
Signed-off-by: Milton Miller <miltonm@bga.com>
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yyerror() is used by both dtc-parser.y and dtc-lexer.l, so move
the declaration to srcpos.h.
Signed-off-by: Milton Miller <miltonm@bga.com>
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Keeps track of open files in a stack, and assigns
a filenum to source positions for each lexical token.
Modified error reporting to show source file as well.
No policy on file directory basis has been decided.
Still handles stdin.
Tested on all arch/powerpc/boot/dts DTS files
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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It constructs a cell_t, not data objects.
Renamed it to cell_from_string() as well.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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New syntax d#, b#, o# and h# allow for an explicit prefix
on cell values to specify their base. Eg: <d# 123>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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At present each property definition in a dts file must give as the
value either a string ("abc..."), a bytestring ([12abcd...]) or a cell
list (<1 2 3 ...>). This patch allows a property value to be given as
several of these, comma-separated. The final property value is just
the components appended together. So a property could have a list of
cells followed by a string, or a bytestring followed by some cells.
Cells are always aligned, so if cells are given following a string or
bytestring which is not a multiple of 4 bytes long, zero bytes are
inserted to align the following cells.
The primary motivation for this feature, however, is to allow defining
a property as a list of several strings. This is what's needed for
defining OF 'compatible' properties, and is less ugly and fiddly than
using embedded \0s in the strings.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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to allow more powerful handling of reserve entries.
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a patch by Jon Loeliger <jdl AT freescale.com>, although tweaked
substantially.
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hacks that were necessary without it.
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