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* csky: remove unused members in processor.hGuo Ren2018-12-311-6/+0
| | | | | | | | Cleanup struct cpuinfo_csky and struct thread_struct, remove all esp0 related code. We could get pt_regs from sp and backtrace could use fp in switch_stack. Signed-off-by: Guo Ren <ren_guo@c-sky.com>
* csky: Exception handling and mm-faultGuo Ren2018-10-251-0/+169
This patch adds exception handling code, cpuinfo and mm-fault code. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>