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2020-07-31csky: remove unusued thread_saved_pc and *_segments functions/macrosTobias Klauser1-6/+0
These are used nowhere in the tree (except for some architectures which define them for their own use) and were already removed for other architectures in: commit 6474924e2b5d ("arch: remove unused macro/function thread_saved_pc()") commit c17c02040bf0 ("arch: remove unused *_segments() macros/functions") Remove them from arch/csky as well. Signed-off-by: Tobias Klauser <[email protected]> Signed-off-by: Guo Ren <[email protected]> Cc: Arnd Bergmann <[email protected]>
2020-05-15csky: Fixup gdbmacros.txt with name sp in thread_structGuo Ren1-2/+2
The gdbmacros.txt use sp in thread_struct, but csky use ksp. This cause bttnobp fail to excute. TODO: - Still couldn't display the contents of stack. Signed-off-by: Guo Ren <[email protected]>
2020-05-13csky: Fixup remove unnecessary save/restore PSR codeGuo Ren1-2/+0
All processes' PSR could success from SETUP_MMU, so need set it in INIT_THREAD again. And use a3 instead of r7 in __switch_to for code convention. Signed-off-by: Guo Ren <[email protected]>
2020-04-01csky: Fixup get wrong psr value from phyical regGuo Ren1-0/+1
We should get psr value from regs->psr in stack, not directly get it from phyiscal register then save the vector number in tsk->trap_no. Signed-off-by: Guo Ren <[email protected]>
2019-02-13csky: coding convention: Use task_stack_pageGuo Ren1-2/+2
Use task_stack_page instead of p->stack to get stack. Follow the coding convention style. Also for init_stack, the same with other archs. Signed-off-by: Guo Ren <[email protected]>
2018-12-31csky: remove unused members in processor.hGuo Ren1-12/+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 <[email protected]>
2018-12-31csky: fixup save hi,lo,dspcr regs in switch_stack.Guo Ren1-2/+1
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 <[email protected]>
2018-10-31treewide: remove current_text_addrNick Desaulniers1-6/+0
Prefer _THIS_IP_ defined in linux/kernel.h. Most definitions of current_text_addr were the same as _THIS_IP_, but a few archs had inline assembly instead. This patch removes the final call site of current_text_addr, making all of the definitions dead code. [[email protected]: fix arch/csky/include/asm/processor.h] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Nick Desaulniers <[email protected]> Cc: Peter Zijlstra <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2018-10-26csky: Process management and SignalGuo Ren1-0/+121
This patch adds files related to task_switch, sigcontext, signal, fpu context switch. Signed-off-by: Guo Ren <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Eric W. Biederman <[email protected]>
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