1
0
Fork 0
forked from len0rd/rockbox
Fork of rockbox tailored for ipod classic
Find a file
Solomon Peachy 905e19905b ARM: Rejigger the asm corelock functions
This appears to solve _some_ of the crashes experienced when using
gcc494 on the multicore PP targets (eg most older ipods).

(With this change, the asm vs plain-C versions behave identically)

corelock_lock(), corelock_unlock(), and corelock_trylock() were declared
with the 'naked' attribute.  However, naked functions are only allowed
to have 'Basic Asm' components, and we used some extended asm, but
without declaring clobbered registers, making assumptions about register
arguments, and also directly returned to the caller via asm code.

This is what the GCC docs have to say about this stuff:

"While using extended asm or a mixture of basic asm and C code may
 appear to work, they cannot be depended upon to work reliably and are
 not supported."

Change-Id: I79a9c4895584f9af365e6c2387595e9c45d89c7d
2020-07-03 21:36:41 +00:00
android android: Fix configure script for "newer" versions of the NDK 2020-04-13 16:51:58 +02:00
apps puzzles: enhancements to mouse mode, zoom feature 2020-07-02 19:07:16 +00:00
backdrops Add Cabbiev2 port for 128x96x16 targets (Samsung YH-820), made by me. 2014-03-27 19:50:48 +00:00
bootloader xDuoo X3II and X20 port 2020-04-06 18:15:41 +02:00
debian Prepare new maemo release 2013-03-10 12:12:38 +01:00
docs CREDITS: Remove duplicate entry 2020-06-25 22:36:34 +00:00
firmware ARM: Rejigger the asm corelock functions 2020-07-03 21:36:41 +00:00
flash Limit more variables to file scope 2015-01-11 21:40:51 +01:00
fonts Remove superfluous executable bits on a bunch of files. 2011-06-08 14:22:03 +00:00
gdb Limit more variables to file scope 2015-01-11 21:40:51 +01:00
icons Updated 8x8 tango icons 2020-05-23 09:23:53 -05:00
lib Fix logf warnings in more codecs 2020-07-03 03:43:47 +00:00
manual Partially revert the last commit. 2020-06-28 00:08:42 -04:00
packaging Prepare unofficial pandora release 2013-03-10 14:09:30 +01:00
rbutil mac: Fix build rule for dmg. 2020-06-30 19:22:54 +02:00
tools build: add '-fcommon' to the toolchain build flags. 2020-07-02 20:04:10 +00:00
uisimulator misc: strip 'x' bit from some UIsim stuff 2020-06-12 15:43:43 +00:00
utils sbtools: Avoid calling pkg-config on each compiler invocation. 2020-06-21 09:07:17 +02:00
wps Agptek Rocker: Initial commit 2018-06-12 10:31:14 +02:00
.gitattributes Add a gitattributes file for the migration. 2011-12-01 14:14:59 +00:00
.gitignore checkwps: have the ./buildall.sh script log all build failures. 2020-04-13 17:26:22 -04:00

               __________               __   ___.
     Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
     Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
     Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
     Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
                       \/            \/     \/    \/            \/

Build Your Own Rockbox

1. Clone 'rockbox' from git (or extract a downloaded archive).

   $ git clone git://git.rockbox.org/rockbox

     or

   $ tar xjf rockbox.tar.bz2

2. Create a build directory, preferably in the same directory as the firmware/
   and apps/ directories. This is where all generated files will be written.

   $ cd rockbox
   $ mkdir build
   $ cd build

3. Make sure you have sh/arm/m68k-elf-gcc and siblings in the PATH. Make sure
   that you have 'perl' in your PATH too. Your gcc cross compiler needs to be
   a particular version depending on what player you are compiling for. These
   can be acquired with the rockboxdev.sh script in the /tools/ folder of the
   source, or will have been included if you've installed one of the
   toolchains or development environments provided at http://www.rockbox.org/

   $ which sh-elf-gcc
   $ which perl

4. In your build directory, run the 'tools/configure' script and enter what
   target you want to build for and if you want a debug version or not (and a
   few more questions). It'll prompt you. The debug version is for making a
   gdb version out of it. It is only useful if you run gdb towards your target
   Archos.

   $ ../tools/configure

5. *ploink*. Now you have got a Makefile generated for you.

6. Run 'make' and soon the necessary pieces from the firmware and the apps
   directories have been compiled, linked and scrambled for you.

   $ make
   $ make zip

7. unzip the rockbox.zip on your music player, reboot it and
   *smile*.

If you want to build for more than one target, just create several build
directories and create a setup for each target:

   $ mkdir build-fmrecorder
   $ cd build-fmrecorder
   $ ../tools/configure

   $ mkdir build-player
   $ cd build-player
   $ ../tools/configure

Questions anyone? Ask on the mailing list. We'll be happy to help you!