linux.git/arch/csky/include/asm/processor.h, branch v5.10 Linux kernel source tree csky: remove unusued thread_saved_pc and *_segments functions/macros 2020-07-31T01:50:48+00:00 Tobias Klauser tklauser@distanz.ch 2020-06-10T15:39:35+00:00 c23dd2405fc2054345be33f8bb1d04b3b805202d 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 <tklauser@distanz.ch> Signed-off-by: Guo Ren <guoren@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> 
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 <tklauser@distanz.ch>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
csky: Fixup gdbmacros.txt with name sp in thread_struct 2020-05-14T16:16:18+00:00 Guo Ren guoren@linux.alibaba.com 2020-05-14T08:04:31+00:00 67002814cf3b7265900003f6a49657847eeeb57d 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 <guoren@linux.alibaba.com> 
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 <guoren@linux.alibaba.com>
csky: Fixup remove unnecessary save/restore PSR code 2020-05-13T09:55:06+00:00 Guo Ren guoren@linux.alibaba.com 2020-05-13T09:16:26+00:00 9e2ca15322acc5a0a697305e02af9ce5ac881f66 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 <guoren@linux.alibaba.com> 
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 <guoren@linux.alibaba.com>
csky: Fixup get wrong psr value from phyical reg 2020-03-31T16:06:40+00:00 Guo Ren guoren@linux.alibaba.com 2020-03-31T15:45:52+00:00 9c0e343d7654a329d1f9b53d253cbf7fb6eff85d 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 <guoren@linux.alibaba.com> 
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 <guoren@linux.alibaba.com>
csky: coding convention: Use task_stack_page 2019-02-13T01:48:14+00:00 Guo Ren ren_guo@c-sky.com 2019-01-24T14:43:58+00:00 0f231dcfc664aaafa75a006ee10e55f3ae0c9b3c 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 <ren_guo@c-sky.com> 
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 <ren_guo@c-sky.com>
csky: remove unused members in processor.h 2018-12-31T15:16:00+00:00 Guo Ren ren_guo@c-sky.com 2018-12-09T09:31:53+00:00 17a68777bc883c8044c8b2d40aa112ff4e8a4fb1 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> 
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: fixup save hi,lo,dspcr regs in switch_stack. 2018-12-31T14:57:27+00:00 Guo Ren ren_guo@c-sky.com 2018-12-31T07:17:48+00:00 789154c2ad74c29c3c60c5136c1785745abe4897 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> 
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>
treewide: remove current_text_addr 2018-10-31T15:54:12+00:00 Nick Desaulniers ndesaulniers@google.com 2018-10-30T22:04:47+00:00 de0d22e50cd3d57277f073ccf65d57aa519d6888 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. [akpm@linux-foundation.org: fix arch/csky/include/asm/processor.h] Link: http://lkml.kernel.org/r/20180911182413.180715-1-ndesaulniers@google.com Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
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.

[akpm@linux-foundation.org: fix arch/csky/include/asm/processor.h]
Link: http://lkml.kernel.org/r/20180911182413.180715-1-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
csky: Process management and Signal 2018-10-25T16:54:13+00:00 Guo Ren ren_guo@c-sky.com 2018-09-05T06:25:14+00:00 e9564df753fd547fcbcd4fd10015c3b1213ef452 This patch adds files related to task_switch, sigcontext, signal, fpu context switch. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Eric W. Biederman <ebiederm@xmission.com> 
This patch adds files related to task_switch, sigcontext, signal,
fpu context switch.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>