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Age	Commit message (Collapse)	Author
2012-12-18	xtensa: add s32c1i sanity check	Max Filippov
	Add a brief sanity test of S32C1I functionality. This instruction is needed by the kernel and userland as part of the base ABI (including GCC atomic builtins, certain threading packages, future atomic support in the C++ standard, etc). However, correct operation of this instruction requires some cooperation by hardware external to the processor (such as bus bridge, bus fabric, or memory controller). Minimally exercising this mechanism and reporting explicit status early in the boot process is helpful to chip vendors using the Linux kernel as a benchmark of correctness of hardware. As it turns out, S32C1I is not exercised by the kernel and by uClibc based userland as of early June 2008. This is expected to change soon as both incorporate more recent open source developments. Signed-off-by: Marc Gauthier <marc@tensilica.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-12-18	xtensa: add config option to disable linker relaxation	Chris Zankel
	The default linker behavior is to optimize identical literal values and remove unnecessary overhead from assembler-generated "longcall" sequences to reduce code size. Provide an option to disable this behavior to improve compile time. Signed-off-by: Chris Zankel <chris@zankel.net>
2005-06-24	[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 1	Chris Zankel
	The attached patches provides part 1 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>