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Change-Id: I7f1273b832a04a7d7c1b386c08c17438e3d93fc2
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This will eventually be used by the ZIP module and other things
that support DEFLATE based streams.
Change-Id: I4acc9561eb56c9c368d1defab9c14e0454d105e1
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This adds an adapted version of the adler32 algorithm from tinf/zlib
which will be necessary to support ZLIB deflate streams in the future.
Change-Id: Ie60e15acb288acf56a2d44e3d3e912e1b3eb2216
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This adds code sufficient to extract files to available storage given a
suitable root directory to extract to. It works on an already open zip
handle and also supports chain-loading a secondary callback in the event
that integration into the process is desired.
Change-Id: Id200d8f20d84a0cbd22906470de8bbd21d4525ef
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This brings it more in line with other structs with this exact same data
type and usage.
Change-Id: I5fe8564750ef28ccd0b12efedca2e6958369f712
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This eliminates the dependence on a special struct since we were only
using the modtime anyway. But it no longer fits any known standard APIs
so I have converted it to our own extension instead. This can still be
adapted to existing hosted APIs if the need arises.
Change-Id: Ic8800698ddfd3a1a48b7cf921c0d0f865302d034
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This emulates the traditional utime function from UNIX clones to allow
for manual updates of the modification timestamp on files and directories.
This should only prove useful for non-native targets as those usually
have a libc version of utime.
Change-Id: Iea8a1d328e78b92c400d3354ee80689c7cf53af8
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This does the opposite of dostime_mktime, converting time_t back to
the two dos date time values. We use gmtime_r for native because that
is what is available and acts the same as localtime_r on other platforms
with a regular libc available.
Change-Id: If79469d0aae2d7c5dcdd905fbf04963669aa1138
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This provides rudimentary support for parsing the contents of a ZIP
file. For now this just supports uncompressed file entries but DEFLATE
support is planned. This also only implements a low level public API
so more work will be needed to make it usable by application code.
Change-Id: Ia68b3078e5276666a0e5023f4bc7a9f94272738a
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This moves the time conversion function to timefuncs since it has
uses on ports that don't use the FAT driver. This function has no
dependency on the FAT driver as it is so this should not cause any
issues. To reflect this separation the function was renamed to
dostime_mktime since it is really for DOS timestamps. The places
where it was used have also been updated.
Change-Id: Id98b1448d5c6fcda286846e1d2c736db682bfb52
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This uses an equivalent algorithm but with a different initial value
than we normally use (all bits off vs all bits on). Use the new crc_32r
to replace the original MI4 crc32 implementation.
This frees up some extra space on mi4 targets which gives us more
room on a few very space constrained targets (sansa c200/e200, etc).
Change-Id: Iaaac3ae353b30566156b1404cbf31ca32926203d
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This uses the reverse of the polynomial used by the current crc_32
function. The code for this was derived from the implementation used
by tinf. This version is space optimized and should be a good way to
reduce code duplication in other parts of rockbox that use the same
crc32 algorithm. This is mainly of use in areas where DEFLATE is in
use.
Change-Id: I918da5b4ea4dc441c0e7e6b5007abcc2da463bcb
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Change-Id: I86882262bafb8d06f925aabb87ebd1b5dcb0cd53
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Before this was just implemented inline wherever it was needed. Now
it is provided as 2 inline functions in a header called checksum.h.
There should be no differences in actual behavior.
Change-Id: I5d756cc01dc6225f5cc8b6af90911a3fc7b57cd5
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This reverts commit 31fc46ded69be7438cca2ba2c2b93c1f200165a6.
Change-Id: Ia78618c0e8b25ca65f7c8ae0db1cb9c9b321bad9
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Firmware now includes rudimentary redirect functionality
but this only supports /.rockbox in the root of the device
This patch allows loading external drive and directory into root namespace
Root Redirects can now be put into different folders
For instance placing '/_test' into SD1/rockbox_main.<playername>
will redirect to /<1>/_test/.rockbox
Debug menu>Bootdata now has root directory listed in addition to RAW Bootdata
Redirect root work from Michael Sevakis g#1556
Redirect will be updated if code refactor is ever done
Requires Multiboot bootloader (already in main)
Change-Id: I697b3d0499f85e789c3020bc2133fbe0023f72a2
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Provide definitions for the macros:
* RB_ROOT_VOL_HIDDEN(v) to exclude certain items from the root.
* RB_ROOT_CONTENTS to return a string with the name of the
directory to mount in the root.
Defaults are in export/rbpaths.h
It's a bit much for those that don't need the full functionality.
Some conditional define can cut it back a lot to cut out things only
needed if alternate root mounts are required. I'm just not bothering
yet. The basic concept would be applied to all targets to keep file
code from forking too much.
Change-Id: I90b5c0a1c949283d3102c16734b0b6ac73901a30
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Note: I left behind lcd_bitmap in features.txt, because removing it
would require considerable work in the manual and the translations.
Change-Id: Ia8ca7761f610d9332a0d22a7d189775fb15ec88a
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Wanted to see how gnarly it is to do.
Big number handling could be done with better algorithms
since it can get a bit slow with large integers or tiny
fractions with many lead zeros when only a few digits are
needed.
Anyway, it supports %e, %E, %f, %F, %g and %G. No %a or long
double support seems warranted at the moment.
Assumes IEEE 754 double format but it's laid out to be able to
replace a function to handle others if needed.
Tested in a driver program that has a duplicate vuprintf and
the content was pasted in once it looked sound enough to put
up a patch.
Change-Id: I6dae8624d3208e644c88e36e6a17d8fc9144f988
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Change-Id: If85086c0fd6b22d50759b16d2545e1798832d12c
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__builtin found fix for rbendian.h
tools/configure defines SIM_USE_BYTESWAP_H if byteswap.h is found in
/usr/include/ maybe there is a better mechanism for this
Change-Id: I4d004e68313e8b32aa5587582be36bc459fdaf6b
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__builtin found fix for rbendian.h
tools/configure defines SIM_USE_BYTESWAP_H if byteswap.h is found in
/usr/include/ maybe there is a better mechanism for this
genshortcut.sh is a simple script to make .desktop shortcut files
several newer distros don't allow you to run the simulator from the
file manager, this or perhaps a different method can probably be
included while building a sim at a later date.
for now it can be run manually like so:
similar to ../tools/configure
run from your simulator folder
../tools/genshortcut.sh exepath shortname icon
ex. ../tools/genshortcut.sh ./rockboxui clip+sim music-app
Change-Id: Ia05d3a9349b27c5968a4a7a68b2eb480e60faec3
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Change-Id: I26b51106c7b1c36a603fba6d521e917d79b5a95b
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New support as well as some buggy support fixed.
Still no floating point support if ever that would be desired.
Support (*):
* Flags: '-', '+', ' ', '#', '0'
* Width and precision: 'n', '.n', '*' and '.*'
* Length modifiers: 'hh', 'h', 'j', 'l', 'll', 't', 'z'
* Radix: 'c', 'd', 'i', 'n', 'o', 'p/P', 's', 'u', 'x/X'
(*) Provision exists to switch lesser-used stuff on or off or when
certain functionality isn't desired (bootloader?). The compulsory
radixes are everything but 'o', 'n', 'p/P' and 'x/X' with length
modifiers being optional. The default setup is 'l', 'z', 'c', 'd',
'p/P', 's', 'u', 'x/X'.
* Move fdprintf() to its own file. It was in a strange place.
* Make callers compatible and fix a couple snprintf() bugs while
at it.
Could smush it down in size but I'm gonna get over the binsize
neurosis and just the let optimizer do its thing.
Change-Id: Ibdc613a9b6775802c188b29b9dd46c568c94f7c3
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Adds the ability to load firmware from other drives on MULTIVOLUME targets
Mihail Zenkov <mihail.zenkov@gmail.com> had posted a hard coded patch
to allow this on several Sansa players, I made it more universal
Redirect file rockbox_main.<name> should placed in root of
drive you would like to be main, if this file empty or there a single
slash '/' firmware will be loaded from /.rockbox in root of this drive
If instead a /<*DIRECTORY*> is supplied in rockbox_main.<name> then
firmware will be loaded from /<dir>/.rockbox/
NOTES*
The directory can have multiple levels however..
leading slash MUST be included
trailing slash can be omitted
(eg. /test/.rockbox would be simply '/test' in the redirect file)
Redirect file will not work on internal drive (whatever is default boot drive)
Volume with the highest index containing redirect file will be loaded
first.
Firmware file is checked for boot data region, if missing, firmware
image will not be loaded.
On failure or if no redirect file is found load will fallback to
internal drive
Currently only Sansa Fuze+, Sansa Clip+,
Sansa Clip Zip, Sansa Fuzev2, and Sansa Fuzev1 are implemented.
Players (with HAVE_MULTIVOLUME)
will need #define HAVE_BOOTDATA and #define BOOT_REDIR "rockbox_main.<name>"
added to their config file
boot_data is implemented in crt0.s file (See g#1552)
ARM and IMX233 have aleady been implemented
Once these conditions are met <HAVE_MULTIBOOT> will be defined by config.h
Partitions on the drives are able to have a redirect as
well.
Change-Id: Iada3263919f6bcad7d0d7d8279b4239aafa07ee9
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Many includes of fat.h are pointless. Some includes are just for
SECTOR_SIZE. Add a file 'firmware/include/fs_defines.h' for that
and to define tuneable values that were scattered amongst various
headers.
Remove some local definitions of SECTOR_SIZE since they have to be
in agreement with the rest of the fs code anyway.
(We'll see what's in fact pointless in a moment ;)
Change-Id: I9ba183bf58bd87f5c45eba7bd675c7e2c1c18ed5
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* 8 bits is enough to allow 260 character base names when five
bytes is the minimum indirect storage size (0..255->5..260).
* Don't truncate anything that's too long as that can lead to
bad behavior, simply don't include the offending entry in the
parent.
* Set the .tinyname flag to 1 by default to indicate that
the entry's name doesn't need freeing. Clear it only when
allocating indirect storage.
* Rename some things to help catch all instances
Change-Id: Iff747b624acbb8e03ed26c24afdf0fc715fd9d99
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These flags aren't stored for an open file because they're simply
actions for open() to take, corresponding to O_CREAT and O_EXCL.
Just pass the oflag argument along to the deeper call, with some
minor filtering.
Change-Id: Ic8bcfba718ebf4228bdc45de3088af1974820557
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Do a few other changes to dircache and file code flags to
accomodate its demands.
Change-Id: I4742a54e8cfbe4d8b9cffb75faaf920dd907cf8a
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The file system rework introduced incompatibility between dircache
and the tagcache ramcache and playlist dircache path caching. This
update makes changes to filesystem code to reintegrate all that.
It also fixes a couple bugs that were found when vetting all the
code. The filestream cache was being reset without regard to
the stream even if it was shared in write mode (made work of
.playlist_control). Better handling of unmounting gives files a
better go at force-closing them without risk to disk integrity.
Did some miscellaneous pedantic changes. Improved efficiency of
testing a file's existence (a little) since the path parser will
be shared between file code and parsing for the sake of finding
dircache references, not duplicated as before.
This commit doesn't reenable said items just for the sake of
keeping changes separate and related.
Plan for the next is to enable dircache again for the playlists
(easy peasy) and reenable tagcache ramcache but *without* the
dircache path caching because it's rather substantial to change
in itself. The ramcache will still function without dircache.
Change-Id: I7e2a9910b866251fa8333e1275f72fcfc8425d2d
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Somehow it got hooked to simulator file functions when it should
be (and was) using raw OS functions.
Credit: Frank Gevaerts
Change-Id: Iac02fed1067830a432183632a047e00dfd03d3c2
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- patch suggested by Massa in http://forums.rockbox.org/index.php/topic,51618.msg238760.html#msg238760
Change-Id: Iba93ff53119db00a18d944d52bc8b1c5fe593fc9
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Document the fact that buffers are movable by default.
Care must be taken to not pass them to functions that yield().
Also clarify other things:
- Passing NULL as "ops" to buflib_alloc_ex() causes
buffers to be movable by default (but not shrinkable).
- If you want shrinkable buffers during compaction,
you have to provide a shrink callback.
- To disable buffer movement, you have to pass NULL
for the move_callback inside the callback structure.
- The concept of default callbacks was removed
long ago, remove the only reference of it.
Change-Id: I3bf0ea6b08b507d80a19f3c2c835aca32b3f7800
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Change-Id: Ia98fa8e7887338d6c0b7a5795a0ae5c7a13014ba
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Change-Id: Id3ec7c1da356cb7c617a1d9ad57c9e0ae9fa6611
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Change-Id: I3c7e204bcf67bf0004314fe4b2aec98cae145273
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Turns out maemo's old gcc 4.2.1 doesn't include any arch
optimized swapXX() functions, just plain C implementations.
Before we pull in lots of linux kernel headers for the
C implementation, just stick to rockbox's own version.
Change-Id: Ic28b41b52fe47f814c7f3897ce15334a42b6c5e2
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Change-Id: I1a466b2d55f120796910039a0296ca324c58e891
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Change-Id: I21c9c21fd664fb11bc8496ace4a389f535a030d6
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A GNU extension that returns dst + size instead of dst. It's a nice
shortcut when copying strings with a known size or back-to-back blocks
and you have to do it often.
May of course be called directly or alternately through
__builtin_mempcpy in some compiler versions.
For ASM on native targets, it is implemented as an alternate entrypoint
to memcpy which adds minimal code and overhead.
Change-Id: I4cbb3483f6df3c1007247fe0a95fd7078737462b
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This patch redoes the filesystem code from the FAT driver up to the
clipboard code in onplay.c.
Not every aspect of this is finished therefore it is still "WIP". I
don't wish to do too much at once (haha!). What is left to do is get
dircache back in the sim and find an implementation for the dircache
indicies in the tagcache and playlist code or do something else that
has the same benefit. Leaving these out for now does not make anything
unusable. All the basics are done.
Phone app code should probably get vetted (and app path handling
just plain rewritten as environment expansions); the SDL app and
Android run well.
Main things addressed:
1) Thread safety: There is none right now in the trunk code. Most of
what currently works is luck when multiple threads are involved or
multiple descriptors to the same file are open.
2) POSIX compliance: Many of the functions behave nothing like their
counterparts on a host system. This leads to inconsistent code or very
different behavior from native to hosted. One huge offender was
rename(). Going point by point would fill a book.
3) Actual running RAM usage: Many targets will use less RAM and less
stack space (some more RAM because I upped the number of cache buffers
for large memory). There's very little memory lying fallow in rarely-used
areas (see 'Key core changes' below). Also, all targets may open the same
number of directory streams whereas before those with less than 8MB RAM
were limited to 8, not 12 implying those targets will save slightly
less.
4) Performance: The test_disk plugin shows markedly improved performance,
particularly in the area of (uncached) directory scanning, due partly to
more optimal directory reading and to a better sector cache algorithm.
Uncached times tend to be better while there is a bit of a slowdown in
dircache due to it being a bit heavier of an implementation. It's not
noticeable by a human as far as I can say.
Key core changes:
1) Files and directories share core code and data structures.
2) The filesystem code knows which descriptors refer to same file.
This ensures that changes from one stream are appropriately reflected
in every open descriptor for that file (fileobj_mgr.c).
3) File and directory cache buffers are borrowed from the main sector
cache. This means that when they are not in use by a file, they are not
wasted, but used for the cache. Most of the time, only a few of them
are needed. It also means that adding more file and directory handles
is less expensive. All one must do in ensure a large enough cache to
borrow from.
4) Relative path components are supported and the namespace is unified.
It does not support full relative paths to an implied current directory;
what is does support is use of "." and "..". Adding the former would
not be very difficult. The namespace is unified in the sense that
volumes may be specified several times along with relative parts, e.g.:
"/<0>/foo/../../<1>/bar" :<=> "/<1>/bar".
5) Stack usage is down due to sharing of data, static allocation and
less duplication of strings on the stack. This requires more
serialization than I would like but since the number of threads is
limited to a low number, the tradoff in favor of the stack seems
reasonable.
6) Separates and heirarchicalizes (sic) the SIM and APP filesystem
code. SIM path and volume handling is just like the target. Some
aspects of the APP file code get more straightforward (e.g. no path
hashing is needed).
Dircache:
Deserves its own section. Dircache is new but pays homage to the old.
The old one was not compatible and so it, since it got redone, does
all the stuff it always should have done such as:
1) It may be update and used at any time during the build process.
No longer has one to wait for it to finish building to do basic file
management (create, remove, rename, etc.).
2) It does not need to be either fully scanned or completely disabled;
it can be incomplete (i.e. overfilled, missing paths), still be
of benefit and be correct.
3) Handles mounting and dismounting of individual volumes which means
a full rebuild is not needed just because you pop a new SD card in the
slot. Now, because it reuses its freed entry data, may rebuild only
that volume.
4) Much more fundamental to the file code. When it is built, it is
the keeper of the master file list whether enabled or not ("disabled"
is just a state of the cache). Its must always to ready to be started
and bind all streams opened prior to being enabled.
5) Maintains any short filenames in OEM format which means that it does
not need to be rebuilt when changing the default codepage.
Miscellaneous Compatibility:
1) Update any other code that would otherwise not work such as the
hotswap mounting code in various card drivers.
2) File management: Clipboard needed updating because of the behavioral
changes. Still needs a little more work on some finer points.
3) Remove now-obsolete functionality such as the mutex's "no preempt"
flag (which was only for the prior FAT driver).
4) struct dirinfo uses time_t rather than raw FAT directory entry
time fields. I plan to follow up on genericizing everything there
(i.e. no FAT attributes).
5) unicode.c needed some redoing so that the file code does not try
try to load codepages during a scan, which is actually a problem with
the current code. The default codepage, if any is required, is now
kept in RAM separarately (bufalloced) from codepages specified to
iso_decode() (which must not be bufalloced because the conversion
may be done by playback threads).
Brings with it some additional reusable core code:
1) Revised file functions: Reusable code that does things such as
safe path concatenation and parsing without buffer limitations or
data duplication. Variants that copy or alter the input path may be
based off these.
To do:
1) Put dircache functionality back in the sim. Treating it internally
as a different kind of file system seems the best approach at this
time.
2) Restore use of dircache indexes in the playlist and database or
something effectively the same. Since the cache doesn't have to be
complete in order to be used, not getting a hit on the cache doesn't
unambiguously say if the path exists or not.
Change-Id: Ia30f3082a136253e3a0eae0784e3091d138915c8
Reviewed-on: http://gerrit.rockbox.org/566
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested: Michael Sevakis <jethead71@rockbox.org>
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After a local commit, any file that included version.h would have to
be recompiled on account of the changed version string. This changes
version.h in the build directory to rbversion.h and includes the
preprocessor macro from rbversion.h in firmware/common/version.c so
that only that one file needs to be recompiled after a local commit
rather than a whole slew of them.
Change-Id: I900d97e3a24a0610698283416d97b4fa3a3a2cf6
Reviewed-on: http://gerrit.rockbox.org/937
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested: Michael Sevakis <jethead71@rockbox.org>
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MingW doesn't provide that stuff.
Change-Id: Ifa8310ed00f4f79f06adb71db71e58b70e7d2b60
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We redefine the top-level macros to our own in order to maintain
compatibility with compound initializers by wrapping the mid or low
level definitions from the OS header.
This allows, hopefully optimized, macros from the host OS's headers to
be used when building any hosted target obviating the need for
NEED_GENERIC_BYTESWAPS unless the target simply doesn't define its
own optimized versions (MIPS!).
Throw in some 64-bit swaps for completeness' sake; they generate no code
if not yet used anyway.
Change-Id: I21b384b55fea46833d01ea3cad1ad8952ea01a11
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Forms implemented to a greater or lesser degree at the moment:
ll_* = singly-linked list
lld_* = doubly-linked list
lldc_* = doubly-linked circular list
Change-Id: Ieed5af50fc59165c8b14c3513b3b5d0e6f7de9fa
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Any number of readers may be in the critical section at a time and writers
are mutually exclusive to all other threads. They are a better choice when
data is rarely modified but often read and multiple threads can safely
access it for reading.
Priority inheritance is fully implemented along with other changes to the
kernel to fully support it on multiowner objects.
This also cleans up priority code in the kernel and updates some associated
structures in existing objects to the cleaner form.
Currently doesn't add the mrsw_lock.[ch] files since they're not yet
needed by anything but the supporting improvements are still useful.
This includes a typed bitarray API (bitarray.h) which is pretty basic
for now.
Change-Id: Idbe43dcd9170358e06d48d00f1c69728ff45b0e3
Reviewed-on: http://gerrit.rockbox.org/801
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested: Michael Sevakis <jethead71@rockbox.org>
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This doesn't touch external tools as I see no need for.
Change-Id: Ia69248c4b6a033c3772916525257e3540bddcffa
Reviewed-on: http://gerrit.rockbox.org/891
Tested: Sebastian Leonhardt <sebastian.leonhardt@web.de>
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
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A thread polls the appropriate GPIO pin for sd card presence and mounts
using the mount system call.
Change-Id: I31ab41c4120f4af64eb6998b7e7b6f9051585efb
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Part of this change is to align sdlapp builds to other application targets
in that the sim_* wrappers are not used anymore (except for sim_read/write).
Path mangling is now done in rbpaths.c as well.
Change-Id: I9726da73b50a83d9e1a1840288de16ec01ea029d
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The iocharset mount option names the codepages slightly differently and
must be translated properly.
Change-Id: I147a256e3453136282244201c27225a30cdfdca0
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