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2018-12-31csky: stacktrace supported.Guo Ren1-0/+4
The gcc option "-mbacktrace" will push fp(r8),lr into stack and we could unwind the stack with: fp = *fp lr = (unsigned int *)fp[1] Signed-off-by: Guo Ren <ren_guo@c-sky.com>
2018-11-01csky: use common dtb build rulesGuo Ren1-10/+1
Remove the Kbuild rules in arch/csky and use common dtb build rules. This modification is based on: commit 37c8a5fafa3b ("kbuild: consolidate Devicetree dtb build rules") Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
2018-11-01csky: remove builtin-dtb KbuildGuo Ren1-2/+0
Remove the builtin-dtb implementation in arch/csky. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2018-10-25csky: Build infrastructureGuo Ren1-0/+93
This patch adds Makefile, Kconfig for build infrastructure. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Acked-by: Arnd Bergmann <arnd@arndb.de>