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While at it, modify the former "sram_info" identifiers
to carry a broader "soc_info" meaning.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Nowadays the term "hacking" has gained increasinly negative
connotations. We don't want people to get a wrong impression
and/or fancy ideas, so remove it.

While at it, also get rid of the emphasis on A10.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Otherwise we could run into ambiguities with "long long",
and Windows compilation is likely to bail out as it might
not understand "%ll".
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Extend continous integration by adding tests framework

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

This patch adds shell scripts that deliberately go through some
extra program invocations, e.g. erroneous use of fex2bin. The goal
of these test cases is to improve on code (branch) coverage.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

After all .fex files can be successfully compiled, let's also
test the opposite direction by decompiling the resulting .bin.
The output then has to pass an automated diff against the source
.fex (transformed via some preprocessing with "unify-fex").
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

All tests should go into the new "tests" subdirectory. The idea is
that the separate Makefile in that directory will get invoked via
a top-level "make check".

The tests/Makefile should then take care of running all available
tests, returning an appropriate exit status. Future tests may be
functional, examine code metrics (coverage analysis), or both.

For a start, I'd simply like to check that sunxi-fexc is able to
properly compile all the .fex files from linux-sunxi/sunxi-boards.

(Note: This currently FAILS and will probably require adjustments
to both sunxi-tools and the .fex repository. To work around this,
for now I'm applying patches to fix sunxi-boards.)
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

The previous timeout of 60 seconds was mostly based on scenarios
where large ("write") transfers take place. But it could easily
become annoying if users are awaiting completion of simpler
commands like "read" or "hexdump", and for some reason FEL fails
to respond.

Therefore I've decided to lower the timeout value to 10 seconds,
adjust the maximum chunk size accordingly and - while at it -
improve the source comments documenting their relationship.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Add initial H5 support in sunxi-fel and uart0-helloworld-sdboot.sunxi

fexc: Fix .bin header treatment, improve .fex parser

Vendor-provided .fex files have repeatedly shown key-value pairs
(assignments) where the value is an identifier-style string *not*
surrounded by double quotes. The corresponding .bin files confirm
that such values end up as "string" type entries.

So far, our .fex parser has choked on these values. The commit
changes this behavior and treats them as strings now, to allow
processing 'original' .fex without adjustments.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Reviewed-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Reviewed-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Vendor-provided .bin files have repeatedly demonstrated that our
previous interpretation of this field as version[0] is likely
wrong. Instead, it seems to represent the file size (in bytes)
of the .bin file.

This commit fixes both decompilation (and header checks) and
generation of .bin files, where it will now store the size to
this field.

TODO: It's unclear whether the 'filesize' needs some specific
alignment (and the .bin corresponding padding). A value of
34864 (0x8830) has already been observed, so any possible
alignment is expected not to exceed 16 bytes (0x10). (Currently
our .bin generator doesn't care about any specific alignment.)
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

This removes the "-g -O0" default (to leave them up to the user
CFLAGS), and adds a switch to ignore "unused result" warnings.
The latter is relevant when trying to compile nand-part.c with
optimizations enabled.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Makefile: Revert sunxi-pio change from 209633ab

The previous commit had introduced a new build rule that made
sunxi-pio always (cross-)compile as part of TARGET_TOOLS. This
originated from a misunderstanding, and is wrong - sunxi-pio
should be part of TOOLS instead.

sunxi-pio is a "dual mode" utility. When run natively on a sunxi
SoC, it can mmap() and manipulate the PIO registers directly. But
it also supports file-based operation, to be used in conjunction
with sunxi-fel (after uploading fel-pio.bin thunk code). This
should work over USB from non-sunxi hosts, and thus puts sunxi-pio
in the TOOLS category. See the fel-gpio shell script for details.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Makefile: Ensure that user-supplied CFLAGS get respected

The build configuration will now also execute
"make install-tools install-misc" for OSX.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Build system improvements

For now, this is for informational purposes (program version
output), but it might also serve as an anchor point for a
"bugfix" release after some changes made to the build system.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

For Linux build testing, we want all targets compiled. To do so
without a cross-toolchain, simply use the host compiler for the
target tools. This can be achieved by setting CROSS_COMPILE to
an empty string.

OSX can't handle this: It neither supports "-static", nor would
it successfully compile meminfo.c. Thus we keep the default
"make", which should only build the 'tools' target.

On Linux we'll also test the install-* targets by requesting
installation to /tmp/sunxi-tools as a post-build step.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

This appends sunxi-meminfo to the TARGET_TOOLS, and adds a new rule
to fix the compilation of sunxi-pio (by making it *cross-compile*
for the target).

Additionally adds a new build target "make install-misc".

For more details, see github issues #69 and #70.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Minor compilation fixes

(Changing to a proper struct initializer avoids a possible
compiler warning.)
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Fixing the (currently erroneous) compilation of sunxi-pio will
cause "make target-tools" to require a suitable cross-compiler
installed. Otherwise "make target-tools" fails to build.
As that is part of our default target ("make all"), we might
possibly introduce a build breakage on quite a few systems.

Avoid this situation by redefining "make tools" as the default,
and change "make install" to "make install-tools", i.e. limit
the standard targets to those builds that only rely on the host
toolchain. From now, if you actually want to include the cross-
compiling steps, use "make all" or "make install-all" instead.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Also: Add the winsock2 library to LIBS for Windows. When not
linking against it, the usage of WS2 conversion functions from
portable_endian.h would cause unresolved symbols.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

For Windows portable_endian.h relies on and includes <winsock2.h>.
Thus it needs to be requested first, otherwise other includes might
pull in <windows.h> and cause a preprocessor warning / compilation
failure (observed with MinGW).
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

By defining NO_MMAP it's now possible to avoid the usage of
mmap() and munmap(). This benefits platforms that don't support
these functions, e.g. Windows.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Prepare release v1.4

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

Add support for version information 

fel: Improve file_upload() when no progress callback is passed

This commit renames the function pointer of type progress_cb_t
for file_upload(). That might help to avoid potential confusion
with other routines that use a boolean "progress" parameter to
indicate whether progress information is desired (at all).
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>