kernel.git/arch/blackfin/kernel/sys_bfin.c, branch linux-2.6.28.y

unified (weak) sys_pipe implementation

2008-05-03T20:50:33Z

This replaces the duplicated arch-specific versions of "sys_pipe()" with one unified implementation. This removes almost 250 lines of duplicated code. It's marked __weak, so that *if* an architecture wants to override the default implementation it can do so by simply having its own replacement version, since many architectures use alternate calling conventions for the 'pipe()' system call for legacy reasons (ie traditional UNIX implementations often return the two file descriptors in registers) I still haven't changed the cris version even though Linus says the BKL isn't needed. The arch maintainer can easily do it if there are really no obstacles. Signed-off-by: Ulrich Drepper Signed-off-by: Linus Torvalds

[Blackfin] arch: add missing __user marking to ss_sp member of signalstack and a few userspace system functions

2008-03-06T18:37:41Z

Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu

Blackfin arch: after removing fs.h from mm.h, fix the broken on Blackfin arch

2007-08-11T22:47:39Z

Cc: Alexey Dobriyan Signed-off-by: Bryan Wu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Blackfin arch: cleanup warnings from checkpatch -- no functional changes

2007-07-12T14:58:21Z

Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu

blackfin architecture

2007-05-07T19:12:58Z

This adds support for the Analog Devices Blackfin processor architecture, and currently supports the BF533, BF532, BF531, BF537, BF536, BF534, and BF561 (Dual Core) devices, with a variety of development platforms including those avaliable from Analog Devices (BF533-EZKit, BF533-STAMP, BF537-STAMP, BF561-EZKIT), and Bluetechnix! Tinyboards. The Blackfin architecture was jointly developed by Intel and Analog Devices Inc. (ADI) as the Micro Signal Architecture (MSA) core and introduced it in December of 2000. Since then ADI has put this core into its Blackfin processor family of devices. The Blackfin core has the advantages of a clean, orthogonal,RISC-like microprocessor instruction set. It combines a dual-MAC (Multiply/Accumulate), state-of-the-art signal processing engine and single-instruction, multiple-data (SIMD) multimedia capabilities into a single instruction-set architecture. The Blackfin architecture, including the instruction set, is described by the ADSP-BF53x/BF56x Blackfin Processor Programming Reference http://blackfin.uclinux.org/gf/download/frsrelease/29/2549/Blackfin_PRM.pdf The Blackfin processor is already supported by major releases of gcc, and there are binary and source rpms/tarballs for many architectures at: http://blackfin.uclinux.org/gf/project/toolchain/frs There is complete documentation, including "getting started" guides available at: http://docs.blackfin.uclinux.org/ which provides links to the sources and patches you will need in order to set up a cross-compiling environment for bfin-linux-uclibc This patch, as well as the other patches (toolchain, distribution, uClibc) are actively supported by Analog Devices Inc, at: http://blackfin.uclinux.org/ We have tested this on LTP, and our test plan (including pass/fails) can be found at: http://docs.blackfin.uclinux.org/doku.php?id=testing_the_linux_kernel [m.kozlowski@tuxland.pl: balance parenthesis in blackfin header files] Signed-off-by: Bryan Wu Signed-off-by: Mariusz Kozlowski Signed-off-by: Aubrey Li Signed-off-by: Jie Zhang Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds