resolve stricter warnings

In order to convert this repository to Meson, we need to make it
compile under `warning_level=3`. Fix a number of warning classes
across the repository or disable them.

S

resolve stricter warnings

In order to convert this repository to Meson, we need to make it
compile under `warning_level=3`. Fix a number of warning classes
across the repository or disable them.

Some fixes are:

* Add missing header files.
* Fully initialize structs as necessary.
* Add `__attribute__((unused))` on parameters as necessary.
* Fix comparisons between signed and unsigned.
* Fix printf specifiers as necessary.
* Avoid case-fallthrough.
* Remove if conditions which are always true.

Some warnings would require extensive code changes, due to their
pervasive use, and so are disabled at a per-file level:
* `-Wpointer-arith`
* `-Wunused-result`

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If8992b9108f12b39f796ed090ba29868c9f3c627

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Add backend_adjust_offset to avoid the windows overlap

In mihawk, the windows overlap will cause the cache coherence.
Hostboot writes the SPD data to BMC through a window and read it
back with anoth

Add backend_adjust_offset to avoid the windows overlap

In mihawk, the windows overlap will cause the cache coherence.
Hostboot writes the SPD data to BMC through a window and read it
back with another window. It causes the data missed and DIMM lost.

Hostboot log
23.80714|<<DBG-956|SPD::getMemType() - MemType: 0xff, Error: NoHUID: 0x30008.

BMC log: The overlaped windows
Window @ 0x756e0000 for size 0x00046000 maps flash offset 0x000e7000
Window @ 0x757e0000 for size 0x00048000 maps flash offset 0x000e5000

Tested: 1. In mihawk, it can fix the SPD cache coherence issue
2. Add unit test to verify VPNOR offset alignment

Change-Id: I92670ade4e2a91b5c49a0acabfc0456f90d49b93
Signed-off-by: Alvin Wang <alvinwang@msn.com>
[AJ: Remove some MSG_INFO() spam, fix whitespace issues]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

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mboxd: Add support for file-backed flash devices.

This commit adds a new file based backing source. The file based
backing source takes a raw pnor image that is usually flashed to a mtd
device.

Th

mboxd: Add support for file-backed flash devices.

This commit adds a new file based backing source. The file based
backing source takes a raw pnor image that is usually flashed to a mtd
device.

This backing source enabled rapid testing of pnor images.

Tested on Witherspoon with the VPNOR and file backends, and Romulus for
the MTD and file backends.

Change-Id: I253ecfa6b58d071c7982f153ad50da8e4ad39fa2
Signed-off-by: Evan Lojewski <github@meklort.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

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