Re: [Xenomai] ipipe for 4.14 x86?

[Richard Weinberger <richard@nod.at>]

Am Dienstag, 18. September 2018, 16:49:32 CEST schrieb Henning Schild:
> > Is this repo/branch the right one when I want to give ipipe x86 a try?
> > Maybe I can help fixing issues too!
> > https://gitlab.denx.de/Xenomai/ipipe-x86/tree/wip/4.14-split
> > 
> 
> This one contains a few more fixes.
> 
> https://gitlab.denx.de/Xenomai/ipipe-x86/tree/henning/wip/4.14-split
> 
> Both are mainly tested under KVM. The 16 core Xeon i am currently
> testing on runs into some timer init issues and gets stuck at boot.
> 
> Feedback welcome!

Hmm, that failed a way earlier than expected.

  AS      arch/x86/entry/vdso/vdso32/system_call.o
arch/x86/kernel/process_32.c: In function ‘__switch_to’:
arch/x86/kernel/process_32.c:238:14: error: implicit declaration of function ‘ipipe_get_domain_slope_hook’; did you mean ‘ipipe_test_and_stall_root’? [-Werror=implicit-function-declaration]
  int slope = ipipe_get_domain_slope_hook(prev_p, next_p);
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
              ipipe_test_and_stall_root
arch/x86/kernel/process_32.c:242:36: error: ‘slot’ undeclared (first use in this function); did you mean ‘slope’?
  switch_fpu_prepare(prev_fpu, cpu, slot);
                                    ^~~~
                                    slope
arch/x86/kernel/process_32.c:242:36: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/kernel/process_32.c:242:2: error: too many arguments to function ‘switch_fpu_prepare’
  switch_fpu_prepare(prev_fpu, cpu, slot);
  ^~~~~~~~~~~~~~~~~~
In file included from arch/x86/kernel/process_32.c:45:0:
./arch/x86/include/asm/fpu/internal.h:529:1: note: declared here
 switch_fpu_prepare(struct fpu *old_fpu, int cpu)
 ^~~~~~~~~~~~~~~~~~
arch/x86/kernel/process_32.c:303:2: error: too many arguments to function ‘switch_fpu_finish’
  switch_fpu_finish(next_fpu, cpu, slope);
  ^~~~~~~~~~~~~~~~~
In file included from arch/x86/kernel/process_32.c:45:0:
./arch/x86/include/asm/fpu/internal.h:551:20: note: declared here
 static inline void switch_fpu_finish(struct fpu *new_fpu, int cpu)
                    ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

Looks like some ia32 bits are missing.

Thanks,
//richard