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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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- dual boot
- USB mode
- battery trap
Change-Id: I8586cfeb21ee63f45ab965430725225fdfc4212d
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Disable (probably old) broken code, this fixes bootloader builds
when ROCKBOX_HAS_LOGF is used.
Change-Id: Id0ed2c3368855e2d2d2dbfb18149b9ed81c10b95
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Change-Id: Ie7c9c06170601e109f8d3de9686773c38a6e224a
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seems more logical to me, and is more consistent, since
"SAMSUNG_YH92X_PAD" is already used in the tex files.
Change-Id: Ie9a9d850ea86155a7dcf86c88a22a420a10a3837
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Regression after 8b8b85433f6e9ac673adb
Change-Id: I86389be0b85c5c2ad8a32d7089a6a79a6b7c8708
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Change-Id: Ife25eac11fc6f6cedeca8f3fa59536bce0efe2cd
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_remote_backlight_* and _buttonlight_* are cleaned as well
Change-Id: I73653752831bbe170c26ba95d3bc04c2e3a5cf30
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For some reason, the bootloader and config files didn't define
HAVE_BOOTLOADER_USB_MODE, also remove the special cases in usb.c which they
implied.
Change-Id: I68c29be7d03627e64cac4ff7678e0c211e087a8c
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Change-Id: I4bf82565e730a40f37f4a29244fd461cb3214318
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Change-Id: I615d2d5366ffa1e2e9c6b0837bf5a62a7e471fca
Reviewed-on: http://gerrit.rockbox.org/994
Reviewed-by: Frank Gevaerts <frank@gevaerts.be>
Tested: Mihail Zenkov <mihail.zenkov@gmail.com>
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
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Change-Id: I1a466b2d55f120796910039a0296ca324c58e891
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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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They can't access the raw RBVERSION define any longer.
Change-Id: I698062b36306399945c01de54cdccaa1a1a8434e
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They need to include kernel-internal.h in order to perform inits.
Change-Id: I5b0f155e4ff49a065c6cb97691ecd4396a199979
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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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Although both players basically have the same keys, the
differences in the layout is rather big, so I think both
deserve their own keymaps.
(On the yh820 the FFWD/PLAY/REW buttons are located above the
direction keys, on the yh920 at the side of the player.
Furthermore the yh920/925 has a REC switch, whereas
yh820 has a push button.)
Change-Id: I0e62a1b101c387646c0bdb07ea142d9d2430ca15
Reviewed-on: http://gerrit.rockbox.org/814
Reviewed-by: Szymon Dziok <b0hoon@o2.pl>
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After placing the firmware.mi4 file in the root dir of the player in UMS mode of
the OF, Sansa should do stupid blinking with the backlight and buttonlight
alternately. Recovering from this state is possible through the recovery mode
(see Wiki), by putting an original copy of the firmware.mi4.
Change-Id: Ia913442b97e8c405f55c4676b9a2bf0b1b1d05d6
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On the ZEN, the LCD is fed continuously by the DMA and this refresh needs to
be stop when the bootloader gives control to the firmware, otherwise the DMA
will source data from invalid region and it might even lock-up if the new
code touches the memory setup. Work around this by properly stopping the LCD
driver: the bootloader assumes that if the target defines HAVE_LCD_ENABLE
in bootloader build (which is unusual) then it needs to stop the LCD. Since
stopping the LCD could produce funny screens, power down backlight
which is expected to power down the LCD too, giving a nice black screen
instead of some random pixels.
Change-Id: I7ce5ba9bfd08e596907c4ff8f80feb189f0576ce
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Change-Id: I0a13444d6788a09b0fc04ed1a5115cb2e5fe6f57
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Change-Id: I9c1825296a788587b8d494d8514b3314847b0ff0
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Change-Id: Ie36e48742c0ed9aa3fd6f49aa034a11d2492327c
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Change-Id: Iae4df54488d02246a4626c0f90b80b56aee891fa
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Change-Id: Icbdf47c5c508516892b1ce75558b878dc512e780
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Change-Id: Iaf77dd0ac6af921f67f883064f490a9e9c7d36b0
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HiFi E.T. MA8 is almost the same as MA9 except
another DAC(pcm1792 in ma8, df1704 in ma9).
MA8 has ILI9342 lcd, MA8C has ILI9342C lcd.
Change-Id: If2ac04f5a3382590b2a392c46286559f54b2ed6a
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The only difference between this target and HiFi E.T. MA9
is display driver (ILI9342 in MA9 and ILI9342c in MA9C)
Change-Id: Icc3d2490f850902a653175360f12283f3708bbb7
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Change-Id: I44a676237564490771a1ed2c81e9434fc6c6f74d
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The bootloader must call disk_init_subsystem() because it is multithread
(because of USB), otherwise strange things might happen. Calling disk_init()
is unnecessary since it is call when mounting partitions.
Change-Id: If7aff3dea0b96144e2a9b0f6179a9a0a632b93ed
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Change-Id: I0d124eaed0ebf1ca18c022684a96dfbf7d740c7e
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Change-Id: I209cdee6007d3b3c039f6b0b63a30fabc8aefb41
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Change-Id: I3081ca6e47bed5a69e6163cb539d0a8516b689d2
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Many imx233 targets boot in a very low performance mode, typically cpu and
dram at 24MHz. This results in very slow boots and very unstable USB
bootloader mode. Since cpu frequency scaling is disabled in bootloader in
rockbox, always make the frequency scaling code available and boost at boot
time.
Change-Id: Ie96623c00f7c4cd9a377b84dcb14b772558cfa4d
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Change-Id: I403a76277e756cf06b4dca4906940d5fbf32d763
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Change-Id: Ie0dea643afa93d9a919e4f2406de65aed174c0a6
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Change-Id: Ide8784e33e1671bf915b5375fb5cd8dae4e09ae6
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The idea is to share loading code between bootloaders and rolo().
Change-Id: I1656ed91946d7a05cb7c9fa7a16793c3c862a5cd
Reviewed-on: http://gerrit.rockbox.org/190
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
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Change-Id: Icfdf4c0a35813576c9d2a60558b4c00599f091fc
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Change-Id: Ifbee91161220419f4d1750672b5c4ae3537cefca
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Change-Id: I79aadc958fd5222f26f91ed127f8c6fb2c465dc2
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Change-Id: I64cf91a2ddc4fbf89d83bb5a401e9e4021f8c160
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Change-Id: I0b343425d0cfef4d4609cabca79c1f31d8327d3b
Reviewed-on: http://gerrit.rockbox.org/459
Reviewed-by: Andrew Ryabinin <ryabinin.a.a@gmail.com>
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What it does:
- removes unnecessary file operations for the OF (one lseek() and one read() per one key),
- simplifies the code and reduces the code size.
Speedup is not noticeable but theoretically some is.
Change-Id: I43a6dd21d3af48ea8d3b27d676c84b2084c0b88c
Reviewed-on: http://gerrit.rockbox.org/287
Tested-by: Szymon Dziok <b0hoon@o2.pl>
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Reviewed-by: Szymon Dziok <b0hoon@o2.pl>
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Change-Id: I7b14496ba891a9ff2f6373571a11835d37abee4e
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We know about two different bootroms. First can be found in rk2706A,
the second in rk2706B and rk2705. This two versions are very
similar but memory addresses are different. It seems it is possible
to distinguish bootrom version by reading SCU_ID register.
Change-Id: I01681b5e3a82930ae74a5cce6ab0244d7cd333d2
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This change replaces an odd way to increment tea key in a function responsible
for finding the proper key (it doesn't have to be done in a for loop, it's just
adding a 32bit number to a 128bit number). It reduces the time needed to find
the key practically to zero and it gives in the best case 2 seconds of overall
speedup in loading the OF.
Change-Id: I0632526c3dfeb4d0603e77239f298a89076b630b
Reviewed-on: http://gerrit.rockbox.org/230
Tested-by: Szymon Dziok <b0hoon@o2.pl>
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Reviewed-by: Szymon Dziok <b0hoon@o2.pl>
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Change-Id: I44436068cf6f2c3942fb63f988bf627eaa9abb97
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The freescale firmware partitions has a lots of quirks that
need to be dealt with, so do it the proper way.
Change-Id: I8a5bd3fb462a4df143bc6c931057f3ffedd4b3d3
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Change-Id: I7f19f45e85aa09b0b19573053f7f27794196e6fb
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