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* Whitespace: We don't use tabs in shell or kconfig filesBryan Hundven2015-12-081-21/+23
| | | | | | | We indent by multiples of 4. This change cleans up whitespace in offending files. Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
* xtensa: Remove support for CT_CUSTOM_LOCATION_ROOT_DIRBryan Hundven2015-12-081-2/+1
| | | | | | | | | Since CUSTOM_LOCATION_ROOT_DIR was removed from config/global/paths.in in commit c499ccb, xtensa should depend only on it's ARCH_XTENSA_CUSTOM_OVERLAY_LOCATION. Signed-off-by: Bryan Hundven <bryanhundven@gmail.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
* xtensa: fix kconfig spelling and help textMax Filippov2015-11-191-5/+7
| | | | Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: add support for the configurable Xtensa architecture.Chris Zankel2015-11-131-0/+30
The Xtensa processor architecture is a configurable, extensible, and synthesizable 32-bit RISC processor core. Processor and SOC vendors can select from various processor options and even create customized instructions in addition to a base ISA to tailor the processor for a particular application. Because of the configurability, the build process requires one additional step for gcc, binutils, and gdb to update the default configuration. These configurations are packed into an 'overlay' tar image, and are simply untarred on top of the default configuration during the build. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>