On Thursday, June 19, 2025 8:35:53 AM CEST Philippe DIDIER wrote:
> Le 18/06/2025 à 12:25, Christian Schoenebeck a écrit :
[...]
> > I think that also needs some correction. Can you test the following patch?
> >
> > Index: src/common/RTMath.cpp
> > ===================================================================
> > --- src/common/RTMath.cpp (revision 4334)
> > +++ src/common/RTMath.cpp (working copy)
> > @@ -74,16 +74,12 @@
> >
> > uint64_t t;
> > asm volatile ("mrs %0, cntvct_el0" : "=r"(t));
> > return (time_stamp_t) t;
> >
> > - #elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7S__)
> > - uint32_t t;
> > - asm volatile ("mrs %0, cntvct_el0" : "=r"(t));
> > - return t;
> >
> > #elif defined(__APPLE__)
> > return (time_stamp_t) mach_absolute_time();
> > #elif defined(__arm__) /* ARMv6 and older */
> > # warning ARM 'mrc' instruction requires special runtime privileges!
> > uint32_t t;
> >
> > - asm volatile ("mrc p15, 0, %0, c15, c12, 1" : "=r" (t));
> > + asm volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r" (t));
> >
> > return t;
> > #else // we don't want to use a slow generic solution
> > # error "Sorry, LinuxSampler lacks time stamp code for your
> > system."
> >
[...]
> I'm gonna test to compile with
>
> asm volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r" (t));
>
>
> Unfortunately we can't test the use on a real armv7hl system (using a
> virtual system is not enough)
It's been a while. Did you have a chance to test whether my suggested patch
compiles for you?
/Christian
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