[flashrom] [PATCH]libpayload support

[Patrick Georgi]

Hi,

attached patches implement libpayload support and improve life for DOS
based flashrom, too:

1.physmap-allow-NULL changes the physmap* behaviour to use -1 as error
code instead of 0. That way, 1:1 mapped memory can be supported properly
because 0 is not a magic number anymore.
-1 on the other hand is a rather unlikely memory offset, so that should
be safe.

2.support-libpayload adds libpayload implementations of various
functions and data structures and improves compatibility to libpayload
by #ifdefing out various include statements, as well as file access
related code.
Some parts look weird, but I had to work around name clashes (eg. msr_t)

flashrom.c is mostly unchanged, but my local changes beyond those in the
patch aren't suitable for upstream. Any flashrom-as-payload project
requires some entirely new frontend, but I hope that some
libflashrom-type effort benefits from these patches and simplifies any
frontend work later on.


Both patches are
Signed-off-by: Patrick Georgi <patrick.georgi at coresystems.de>


Regards,
Patrick
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