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4 Commits

Author SHA1 Message Date
Guo Ren 17a68777bc csky: remove unused members in processor.h 
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>
 2018-12-31 23:16:00 +08:00
Guo Ren 8f4f1639a1 csky: optimize kernel panic print. 
Use STACKTRACE to optimize panic print more pretty and align registers
printing.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
 2018-12-31 23:15:38 +08:00
Guo Ren 789154c2ad csky: fixup save hi,lo,dspcr regs in switch_stack. 
HI, LO, DSPCR registers are 807/810 related regs and no need for 610/860.
All of the regs must be saved in pt_regs and switch_stack. This patch
fixup saving dspcr reg in switch_stack and pt_regs.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
 2018-12-31 22:57:27 +08:00
Guo Ren 2ce36bfa6a csky: Debug and Ptrace GDB 
This patch adds arch ptrace implementation, stack dump and bug.h.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
 2018-10-26 00:54:25 +08:00