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* Create fimrware/asm directory for assembly optimized stuff.Thomas Martitz2012-01-22
| | | | | | | | | | | | | | | | This dir is suitable for stuff that doesn't fit the target tree, e.g. because it also builds on hosted or otherwise. It also has a generic subfolder for fallback C implementations so that not all archs need to provide asm files. SOURCES should only contain "foo.c" where foo.c includes the specific <arch>/foo.c files from the subdirs using the preprocessor. This way automatic selection of asm versions or generic C verion is possible. For the start, the thread support files are moved, since ASM threads can be used on hosted platforms as well. Since core_sleep() remains platform specific it's moved to the corresponding system.h headers. Change-Id: Iebff272f3407a6eaafeb7656ceb0ae9eca3f7cb9
* thread.c includes gcc_extensions.h and thread-XXX.c files are includes ↵Michael Sevakis2011-12-10
| | | | | | inside thread.c therefore do not require their own. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31206 a1c6a512-1295-4272-9138-f99709370657
* Introduce USED_ATTR wrapper for __attribute__((used)).Boris Gjenero2011-12-09
| | | | git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31188 a1c6a512-1295-4272-9138-f99709370657
* Implement cooperative threads on hosted platforms using C code.Thomas Martitz2011-02-18
This replaces SDL threads with real cooperative threads, which are less cpu intensive and allow priority scheduling. The backend for context switching is dependant on the host (sigaltstack/longjmp on Unix, Fibers on Windows). configure has options to force or disallow SDL threads. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29327 a1c6a512-1295-4272-9138-f99709370657