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22 commits

Author SHA1 Message Date
Michael Sevakis
863c03f2ae Gigabeat S: Renovate bootloader a bit to show splash, implement verbose, shutdown on low battery, handle hold-switch-on and wait only so long for USB if a USB charger is inserted at boot instead of being connected to a host. 'Bootloader USB mode' display is just part of normal printf stream now. Move interrupt stacks into .bss area so they aren't loaded (for firmware too). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29099 a1c6a512-1295-4272-9138-f99709370657
 2011-01-21 07:05:51 +00:00
Michael Sevakis
60f843bf18 Configure Gigabeat S with EABI compiler by default. Implement the INIT section that this enables (due to selective need for long calls). Remove pcm_postinit from INIT section since it's asynchronous. Disable strict aliasing on SPC codec for now just to shut it up. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26779 a1c6a512-1295-4272-9138-f99709370657
 2010-06-11 14:39:35 +00:00
Rafaël Carré
0ea7905395 ARM: use BX when branch to an address in register 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26432 a1c6a512-1295-4272-9138-f99709370657
 2010-05-31 15:14:26 +00:00
Michael Sevakis
43d2c7ad19 Clean the DCache just before going to main because areas were written by init code that need to be coherent (.ncbss and .sdmacode). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25896 a1c6a512-1295-4272-9138-f99709370657
 2010-05-08 08:32:09 +00:00
Michael Sevakis
a420561bf8 Gigabeat S: Reclaim about 800K of memory that was laying unused. Get rid of DEVBSS_ATTR for this target and implement as NOCACHEBSS_ATTR. Plugin and codec buffers move so all that is now incompatible (do full update). No version increase for plugins/codecs because the loader will reject them. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25895 a1c6a512-1295-4272-9138-f99709370657
 2010-05-08 07:45:34 +00:00
Michael Sevakis
b3f1eb8bba Gigabeat S: Those odd calls to irq_handler can still happen rarely after executing WFI. With no explanation forthcoming after trying many things, hide head in sand and ignore them and the IRQ will get vectored to the correct handler anyway. Have vector tables execute an immediate return and remove irq_handler from compilation altogether. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25792 a1c6a512-1295-4272-9138-f99709370657
 2010-05-03 07:48:00 +00:00
Rafaël Carré
b2323be33b ARM: lr addresses the next instruction after the failing one in undefined instruction vector 
Substract 4 before passing the argument to UIE so the correct address is displayed

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24321 a1c6a512-1295-4272-9138-f99709370657
 2010-01-24 15:04:21 +00:00
Andrew Mahone
becdbaa12d Enable and initialize VFP on imx31. VFP state is not saved on thread change, and it is initialized for scalar operations, rounding toward zero, with exception/error handling and "correct" handling of NaN and denormal values disabled. In this mode it should still be usable for integer divisions (by casting operands to double and result to int or unsigned). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24129 a1c6a512-1295-4272-9138-f99709370657
 2009-12-31 08:32:05 +00:00
Michael Sevakis
e46309fde3 Gigabeat S: Update some very stale comments about what's going on in the startup code. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19965 a1c6a512-1295-4272-9138-f99709370657
 2009-02-10 15:48:48 +00:00
Michael Sevakis
e1e8101837 Gigabeat S: Place SDMA code load address starting in uninitialized section address and copy it to the plugin buffer since it only needed very early in initialization. Will save about 6K in RAM. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19963 a1c6a512-1295-4272-9138-f99709370657
 2009-02-10 11:34:15 +00:00
Michael Sevakis
4d3a020f27 Gigabeat S: Move the LCD framebuffer address so that DRAM can be mapped flat between physical and virtual addresses. NO BOOTLOADER UPDATE SHOULD BE NEEDED. The firmware image now handles low-level system setup as well. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19935 a1c6a512-1295-4272-9138-f99709370657
 2009-02-07 10:09:13 +00:00
Daniel Stenberg
2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
 2008-06-28 18:10:04 +00:00
Michael Sevakis
50ad342530 Gigabeat S system setup changes. Unaligned loads/stores on. Mixed-endian support on. VIC on early. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17495 a1c6a512-1295-4272-9138-f99709370657
 2008-05-13 14:05:28 +00:00
Michael Sevakis
71372162b1 Enable write buffering for the 1MB device memory section. This means using a different device framebuffer address too. You must update the firmware _and_ bootloader. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17458 a1c6a512-1295-4272-9138-f99709370657
 2008-05-11 15:39:00 +00:00
Michael Sevakis
209aa8eda5 Real fake IRAM by placing .i.... section in the analagous DRAM sections in the linker scripts that hasn't done this yet. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17449 a1c6a512-1295-4272-9138-f99709370657
 2008-05-10 22:03:45 +00:00
Michael Sevakis
607b63a827 Gigabeat S technical correction: Fix instruction order because clean dcache operand is SBZ. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17401 a1c6a512-1295-4272-9138-f99709370657
 2008-05-07 06:13:35 +00:00
Jens Arnold
0e73b8a0a9 Remove wrong usage of '.global'. These symbols are imported, not exported. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17290 a1c6a512-1295-4272-9138-f99709370657
 2008-04-29 06:47:34 +00:00
Michael Sevakis
8ec1dca0da Enable program flow prediction in the system control coprocessor setup in the bootloader. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17211 a1c6a512-1295-4272-9138-f99709370657
 2008-04-21 21:45:58 +00:00
Michael Sevakis
94f7d0f290 UMS for the Gigabeat S. Bootloader USB mode. Has a couple quirks 1) First plug has problems if cold. Replug if it doesn't connect or not at high speed 2) Linux doesn't like the odd bootable flag value used in the partitions so it won't mount but Windows works. Fix minor OTG driver bugs and clean up device memory handling. Generic name for ARC controller driver. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17154 a1c6a512-1295-4272-9138-f99709370657
 2008-04-18 16:42:50 +00:00
Michael Sevakis
a07c034de7 Gigabeat S: Interrupt enabled bootloader. Miscellaneous integration changes. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16243 a1c6a512-1295-4272-9138-f99709370657
 2008-02-08 02:20:05 +00:00
Michael Sevakis
1f021af60c Gigabeat S mixer: Make some progress. Get the tick and core sleep working using the AVIC. Redo the startup code to remap from IRAM and not include the lcd driver frambuffer in the remapping (until it can be moved). Clean up LCD driver. For other misc. changes, see the diffs. Now it progresses to ATA init and fails with -11 but without crashing or hanging. Replace all bootloaders. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16216 a1c6a512-1295-4272-9138-f99709370657
 2008-02-05 04:43:19 +00:00
Will Robertson
32f6109fb1 Gigabeat S memory management stuff. 
* Moved crt0.S to imx31 subdirectory, as it was the last target using the unified file.
* DRAM is now remapped to 0x0, facilitating interrupts (which aren't done yet)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15965 a1c6a512-1295-4272-9138-f99709370657
 2007-12-23 12:19:40 +00:00
Renamed from firmware/target/arm/crt0.S (Browse further)